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PMC-DR50L/DR70L
SERVICE MANUAL
Ver 1.0 1999.09
AEP Model UK Model E Model
PMC-DR50L/DR70L
Tourist Model
PMC-DR50L
Photo : PMC-DR70L
TAPE Section CD Section
Model Name Using Similar Mechanism Tape Transport Mechanism Type Model Name Using Similar Mechanism MD Mechanism Type Optical Pick-up Type
NEW MF-PMCDR50 NEW KSM-213CCP KSS-213C
SPECIFICATIONS
Continued on page 2
PERSONAL COMPONENT SYSTEM
MICROFILM
TABLE OF CONTENTS
Specifications ........................................................................... 1
4. ADJUSTMENTS
4-1. Mechanical Adjustments .......................................... 20 4-2. Electrical Adjustments .............................................. 20
1. SERVICE NOTE ........................................................... 3 2. GENERAL ...................................................................... 4 3. DISASSEMBLY
3-1. Case(bottom), "Cover ASSY, Top" .......................... 6 3-2. CD ASSY .................................................................. 7 3-3. Main Board, Jack Board ........................................... 7 3-4. Tray ........................................................................... 8 3-5. ASP Board ................................................................ 8 3-6. Belt ........................................................................... 9 3-7. Motor Board, Loding Motor (M651) ........................ 9 3-8. Optical Pick-up Block ............................................ 10 3-9. Mechanism Deck .................................................... 10 3-10. TC RF Board, Head Relay Board, Capstan/Reel Motor (M160) ................................... 11 3-11. Control Board .......................................................... 11 3-12. Display Board ......................................................... 12 3-13. DSP Board, CPU board .......................................... 12 3-14. VOL Board ............................................................. 13 3-15. "Cabinet, Wood", "Cabinet (R) Bottom" ............... 13 3-16. Speaker (R-CH) (SP101) ........................................ 14 3-17. Power Board ........................................................... 14 3-18. AMP Board, AMP IC Board ................................... 15 3-19. Speaker Board ........................................................ 15 3-20. "Cabinet, Wood", "Cabinet (L) Bottom" ................ 16 3-21. Speaker (L-CH) (SP201) ........................................ 16 3-22. Power Transfomer Board ........................................ 17 3-23. SP Main Board, SP AMP IC Board ........................ 17 3-24. AC Outlet Board, SP Jack Board ............................ 18 3-25. Cabinet (SWF) Bottom ........................................... 18 3-26. Speaker (SP601), "Cabinet, Front" ......................... 19 3-27. LED Board, Volume Board ..................................... 19
5. DIAGRAMS
5-1. Explanation of IC Terminals ................................... 5-2. Block Diagrams CD, Tuner Section ................. 5-3. Block Diagrams Tape, Main Section ................. 5-4. Printed Wiring Boards Main Section ................. 5-5. Schematic Diagram Main Section (1/3) ........... 5-6. Schematic Diagram Main Section (2/3) ........... 5-7. Schematic Diagram Main Section (3/3) ........... 5-8. Printed Wiring Boards CD Section ................... 5-9. Schematic Diagram CD Section ....................... 5-10. Schematic Diagram Control Section ................ 5-11. Printed Wiring Boards Control Section ............ 5-12. Printed Wiring Boards AMP Section ................ 5-13. Schematic Diagram AMP Section .................... 5-14. Printed Wiring Boards Woofer AMP Section ... 5-15. Schematic Diagram Woofer AMP Section ....... 23 28 31 35 39 42 45 48 51 55 59 63 65 68 71
6. EXPLODED VIEWS
6-1. Case Section ........................................................... 6-2. Control Section ....................................................... 6-3. CD Mechanism Section .......................................... 6-4. Mechanism Deck Section -1 ................................... 6-5. Mechanism Deck Section -2 ................................... 6-6. CD Optical Pick-up Section ................................... 6-7. Speaker (R-CH) Section ......................................... 6-8. Speaker (L-CH) Section (DR50L Only) ................. 6-9. Speaker (L-CH) Section (DR70L Only) ................. 6-10. Super Woofer Section (DR70L Only) .................... 77 78 79 80 81 82 83 84 85 86
7. ELECTRICAL PARTS LIST ................................... 87
2
SECTION 1 SERVICE NOTE
Information For customers in Europe NOTES ON HANDLING THE OPTICAL PICK-UP BLOCK OR BASE UNIT The laser diode in the optical pick-up block may suffer electrostatic breakdown because of the potential difference generated by the charged electrostatic load, etc. on clothing and the human body. During repair, pay attention to electrostatic breakdown and also use the procedure in the printed matter which is included in the repair parts. The flexible board is easily damaged and should be handled with care. NOTES ON LASER DIODE EMISSION CHECK The laser beam on this model is concentrated so as to be focused on the disc reflective surface by the objective lens in the optical pickup block. Therefore, when checking the laser diode emission, observe more than 30 cm away from the objective lens.
This Compact Disc player is classified as a CLASS 1 LASER product. The CLASS 1 LASER PRODUCT label is located at the bottom of the player. Flexible Circuit Board Repairing · Keep the temperature of the soldering iron around 270°C during repairing. · Do not touch the soldering iron on the same conductor of the circuit board (within 3 times). · Be careful not to apply force on the conductor when soldering or unsoldering. Notes on chip component replacement · Never reuse a disconnected chip component. · Notice that the minus side of a tantalum capacitor may be damaged by heat.
LASER DIODE AND FOCUS SEARCH OPERATION CHECK 1. Close the Tray for CD. 2. Press CD ^ button. 3. Confirm the laser diode emission while observing the objecting lens. When there is no emission, Auto Power Control circuit or Optical Pick-up is broken. Objective lens moves up and down once for the focus search. ABOUT THE EXTENSION CABLE JIG Extention cable jigs (1-792-164-11 and 1-792-165-11) are necessary when repair this unit.
SAFETY-RELATED COMPONENT WARNING!! COMPONENTS IDENTIFIED BY MARK ! OR DOTTED LINE WITH MARK ! ON THE SCHEMATIC DIAGRAMS AND IN THE PARTS LIST ARE CRITICAL TO SAFE OPERATION. REPLACE THESE COMPONENTS WITH SONY PARTS WHOSE PART NUMBERS APPEAR AS SHOWN IN THIS MANUAL OR IN SUPPLEMENTS PUBLISHED BY SONY.
Jig (19 core) (1-792-165-11)
Jig (20 core) (1-792-164-11)
Main board (CN804) ASP board (CN702)
3
SECTION 2 GENERAL
LOCATION AND FUNCTION OF CONTROLS
MAIN UNIT
!º
!¡
!TM
!£ 9 8 7 6 5 !¢ ! !§ !¶ !· !ª 4 3 2 1
@TM
@¡
@º
1 VOLUME +, buttons 2 CD tray 3 Timer buttons STANDBY SLEEP CLOCK TIMER DISPLAY 4 Display window 5 OPERATE button 6 RDS button 7 2 (Headphones) Jack 8 DIR MODE button 9 COUNTER RESET button !º TAPE operation buttons r/P (rec/pause) DUBBING 0, ) (FF, REW) ª, · (play) (stop)
!¡ PLAY MODE, MONO/ST ISS button !TM ENTER/MEM, PGM SET button !£ =() , +(+) TUNE TIME SET button !¢ LINE IN button ! SUMER TIME button !§ MEGA BASS button !¶ SOUND button !· 6 CD OPEN/CLOSE button !ª RADIO operation buttons PRESET + BAND PRESET @º CD operation buttons fl (play/pause) (stop) @¡ SNOOZE button @TM Remote sensor
4
Remote commander
1
2
3
1 DISPLAY button
DISPLAY TA SEARCH OPERATE
2 TA SEARCH button 3 OPERATE button 4 Number buttons 5 MEGA BASS button
CD/RADIO
4
6 VOLUME +, buttons 7 SOUND button 8 CD operation buttons =, +(AMS, search)
!¡
MODE RADIO VOL MEGA/BASS
5 6 7 8
( (play) P (pause) p (stop) 9 TAPE operation buttons p (stop) ", " (play) r/P (rec/pause) 0, ) (FF, REW) !º RADIO operation buttons TUNE + TUNE BAND !¡ MODE button
TUNE
SOUND
!º
BAND
TAPE
9
HOOKING UP THE SYSTEM
(PMC-DR50L) (PMC-DR70L)
5
SECTION 3 DISASSEMBLY
r
The equipment can be removed using the following procedure.
Case(bottom) CD ASSY Main board, Jack board Tray ASP board
Belt Optical pick-up block
Main unit Motor board, Loading motor (M651) Cover ASSY, top Mechanism deck Control board Cabinet, wood Cabinet (R) bottom Cabinet, wood Cabinet (L) bottom Cabinet (SWF) bottom TC RF board, Head relay board, Capstan/reel motor (M160) Display board VOL board DSP board, CPU board
Speaker unit (R-CH) Speaker unit (L-CH) (DR70L) Super woofer unit (DR70L)
Speaker (R-CH) (SP101)
Power board Speaker board Power transfomer board SP AMP IC board AC outlet board, SP jack board LED board, volume board
AMP board, AMP IC board Speaker (L-CH) (SP201) SP main board
Speaker (SP601), "Cabinet, front"
Note : Follow the disassembly procedure in the numerical order given.
< MAIN UNIT >
3-1. CASE (BOTTOM) , "COVER ASSY, TOP"
1 Screws (+BVTT 3x10) 2 Claws
6 Wire, parallel (20 core) (ASP board : CN702)
Cover ASSY, top
2 Claws
Sub cover
3 2 Claws
7
5 Wire, parallel (19 core)
Case (bottom)
1 Screws (+BVTT 3x10) 4 Screws (+KPT 3x10)
6
3-2. CD ASSY
CD ASSY
Case (bottom)
2
1 Screws (+BVTT 3x10)
3-3. MAIN BOARD, JACK BOARD
Jack board
4 Screws (+BVTT 2.6x8) 2 Screws (+BVTT 2.6x8) 2 Screws (+BVTT 2.6x8) 5
1 Screws (+BVTT 3x10)
Main board
3
Case (bottom)
7
3-4. TRAY
3 Projection
1
2
Chassis
3 Projection
Tray
3-5. ASP BOARD
1 Screw (+P 2x6)
ASP board
2 Remove solder
4 3 Wire, parallel (16 core)
Chassis
8
3-6. BELT
1 Screw (+P 2.6x8)
Chucking chassis
3 Belt
Chassis
2
3-7. MOTOR BOARD, LOADING MOTOR (M651)
3 Remove solder
Motor board
4 Loading motor (M651) 2
Chassis
Claws
1 Screws (+B 2x3)
9
3-8. OPTICAL PICK-UP BLOCK
Arm
3 2 Screws (+PWH 2.6x10)
4
3
Optical pick-up block
1 Screws (+PWH 2.6x10)
Chassis
3-9. MECHANISM DECK
Cover ASSY, top
3
Mechanism deck
2 1 Screws (+BVTT 3x10)
1 Screws (+BVTT 3x10)
Cover, deck
10
3-10. TC RF BOARD, HEAD RELAY BOARD, CAPSTAN/REEL MOTOR (M160)
8 Screws
Capstan/reel motor (M160)
6 Belt FR
7 Belt BR 9 4 Screws
2 Remove solder
5 3
Head relay board
TC RF board Belt BR Belt FR
1 Screws 2 Remove solder
3-11. CONTROL BOARD
Cover ASSY, top
4
Control board
3 Screws (+BVTT 2.6x8) 2 3 Screws (+BVTT 2.6x8)
DSP board CPU board
1 Screws (+BVTT 2.6x8)
11
3-12. DISPLAY BOARD
DSP board
2 Wire, parallel (18 core)
4
CPU board
Holder, Display PC board
3 Wire, parallel (19 core)
Display board
1 Screws (+BVTT 2.6x8)
3-13. DSP BOARD, CPU BOARD
1 Screws (+BVTT 2.6x8)
DSP board
4 Wire, parallel (14 core)
2 Support
3
CPU board
8 7 Screws (+BVTT 2.6x8)
5 Wire, parallel (18 core)
6 Wire, parallel (19 core)
Holder, Display PC board Display board
12
3-14. VOL BOARD
1 Claws
1 Claws
Panel ASSY, front
2 4
1 Claws
Case (top)
1 Claws
VOL board
3 Screws (+BVTT 2.6x8)
< SPEAKER UNIT (R-CH) >
3-15. "CABINET, WOOD", "CABINET (R) BOTTOM"
2 Screws (+P 4x16)
Cabinet, Wood
3
Cabinet (R) bottom
Sponge, back board Note : Change a "Sponge, back board" (3-042-179-01) for a new article when remove the cabinet (R) bottom.
1 Screws (+P 4x16)
13
3-16. SPEAKER (R-CH) (SP101)
4 Screws
Stand, Grill
2 Screws (+BVTT 4x10) 3
1
Cabinet, Wood Speaker (SP101)
Sub panel (R) ASSY Stand, Grill Speaker grill ASSY
2 Screws (+BVTT 4x10)
3-17. POWER BOARD
Power board
Bracket, Transfomer
Bracket, Transfomer
2
Cabinet, Wood
1 Screws (+P 4x10)
14
3-18. AMP BOARD, AMP IC BOARD
3 Screws (3x10) 4
AMP board
2
Cabinet (R) bottom
1 Screws (+BVTT 3x12)
AMP IC board
3-19. SPEAKER BOARD
5
Speaker board
4 Screws (+BVTT 3x8) 6 Screws (+BVTT 3x8)
2 Screws (+BVTT 3x8)
3
Cabinet (R) bottom
1 Screws (+BVTT 3x10)
Cord with connector Stopper, wire
Cord, AC Stopper, cord Airtight clipper Bracket
15
< SPEAKER UNIT (L-CH) > (DR70L)
3-20. "CABINET, WOOD", "CABINET (L) BOTTOM"
2 Screws (+P 4x16)
Cabinet, Wood
3
Cabinet (L) bottom Sponge, back board Note : Change a "Sponge, back board" (3-042-179-01) for a new article when remove the cabinet (L) bottom.
1 Screws (+P 4x16)
3-21. SPEAKER (L-CH) (SP201)
4 Screws
Stand, Grill
2 Screws (+BVTT 4x10) 3
1
Speaker (SP201)
Cabinet, Wood
Sub panel (L) ASSY Stand, Grill Speaker grill ASSY
2 Screws (+BVTT 4x10)
16
3-22. POWER TRANSFOMER BOARD
Power transformer board Bracket, Transfomer
Bracket, Transfomer
2
Cabinet, Wood
1 Screws (+P 4x10)
3-23. SP MAIN BOARD, SP AMP IC BOARD
SP AMP IC board
1 Screw
SP main board
Cabinet (L) bottom
1 Screws (+BVTT 3x12)
Cover
1 Screws (+BVTT 3x8)
17
3-24. AC OUTLET BOARD, SP JACK BOARD
Cabinet (L) bottom
3 Screws (+BVTT 3x8)
AC outlet board
4
6 Screw (+BVTT 3x8)
2
5
1 Screws (+BVTT 3x8)
SP jack board Cord, AC Board (L) back Bracket
Stopper, cord Airtight clipper
< SUPER WOOFER UNIT > (DR70L)
3-25. CABINET (SWF) BOTTOM
2 Screws (+P 4x16)
Cabinet (SWF) wood
4
3 Screws (+BVTT 3x8)
Cabinet (SWF) bottom
1 Screws (+P 4x16)
18
3-26. SPEAKER (SP601), "CABINET, FRONT"
Speaker (SP601)
4 Screws (+P 4x16)
1 Screws (+P 4x16)
Cabinet (SWF) wood
2
4 Screws (+P 4x16)
3 Pull up a airtight clipper. 5
Cabinet, front
3-27. LED BOARD, VOLUME BOARD
1 Hang thread in a circumuference of "Knob ASSY, VOL", and pull it up
4 Screws (+PWH 3x10)
Volume board Thread
5 7 3 Nut and waher
LED board
2
Chassis (SWF) sub
6 Screws (+BVTT 3x8)
Knob ASSY, VOL Cabinet, front
19
SECTION 4 ADJUSTMENTS
4-1. MECHANICAL ADJUSTMENTS
TAPE RECORDER SECTION
PRECAUTION
Record/Playback/Erase Head Azimuth Adjustment Procedure : 1. Mode : FWD playback
test tape P-4-A100 (10kHz, 10dB) level meter 47k set LINE OUT (JK301)
1. Clean the following parts with a denatured-alcohol-moistened swab : record/playback/erase head pinch roller rubber belts capstan 2. Demagnetize the record/playback head with a head demagnetizer. 3. Do not use a magnetized screwdriver for the adjustments. 4. After the adjustments, apply suitable locking compound to the parts adjusted. 5. The adjustments should be performed with the rated power supply voltage unless otherwise noted. Torque Measurement
Torque Forward Forward Back Tension Reverse Reverse Back Tension FF/REW Torque Meter CQ-102C CQ-102C CQ-102RC CQ-102RC CQ-201B Meter Reading 36 to 61 g · cm (0.5 to 0.84 oz · inch) 2 to 6 g · cm (0.028 to 0.083 oz · inch) 36 to 61 g · cm (0.5 to 0.84 oz · inch) 2 to 6 g · cm (0.028 to 0.083 oz · inch) 61 to 143 g · cm (0.85 to 1.98 oz · inch)
2. Turn the adjustment screw for the maximum output levels. If these levels do not match, turn the adjustment screw until both of output levels match together within 1dB.
L-CH peak within output 1 dB level
within 1 dB
Screw position
R-CH peak
screw position L-CH peak R-CH peak
Tape Tension Measurement
Mode FWD REV Tension Meter CQ-403A CQ-403A Meter Reading more than 100g (more than 3.53 oz) more than 100g (more than 3.53 oz)
3. Phase Check Mode : FWD playback
test tape P-4-A100 (10kHz, 10dB) Osilloscope
L-CH
47k
set
V
H
4-2. ELECTRICAL ADJUSTMENTS
TAPE RECORDER SECTION 0dB = 0.775V
R-CH
47k LINE OUT (JK301) screen pattern
1. The adjustnemts should be performed in the order in the service manual. (As a general rule playback circuit adjustment should be completed beforeming recording circuit adjustment.) 2. The adjustments should be performed for bothe L-CH and RCH unless otherwise indicated. Standard Intput Level
Input terminal source impedance input signal level LINE IN 10k 0.5V (3.8dB)
in phase 45° good
90°
135°
180°
wrong
4. Change the reverse playback mode and repeat the step 1 to 3. 5. After the adjustment, lock the adjustment screw with suitable locking compound. Adjustment Location : record/playback/erase head
Standard Output Level
Output terminal load impedance output signal level LINE OUT 47k 0.5V (3.8dB)
Test Tape
Type P-4-A100 WS-48B Signal 10kHz, 10dB 3kHz, 0dB Used for Azimuth Adjustment Tape Speed Adjustment
FWD side
REV side
adjustment screw
20
Tape Speed Adjustment Procedure : FWD Playback Mode
test tape WS-48B (3kHz, 0dB) set frequency counter 47k
TUNER SECTION
AM Section
0dB=1µV
BAND button : MW or LW Volume : MIN
60cm loop antenna A loop antenna B
LINE OUT (JK301)
AM RF signal generator
1. Set to FWD playback mode. 2. Adjust RV160 so that the frequency counter reading becomes 3,000Hz. Standard value : 2,970 to 3,030Hz 3. Set to REV playback mode. Confirm the frequency should be within the standard value. 4. Confirm the frequency difference between beginning and the end of tape should be within 1.5% (45Hz). Adjustment Location : TC RF board
Cabinet, front (Rear side)
set 30% amplitude modulation by 400Hz signal Output level : as low as possible
FM Section BAND button : FM Volume : MIN
FM RF signal generator 0.01 µF FM EXT. ANT. terminal
22.5kHz frequency deviation by 400Hz signal. Output level : as low as possible
level meter
TC RF board
RV160 : Tape speed adjustment
set
47k
+
LINE OUT (JK301)
· Repeat the procedures in each adjustment several times, and the frequency coverage and tracking adjustments should be finally done by the trimmer capacitors.
MW/LW IF ADJUSTMENT Adjust for a maximum reading on level meter. T2 450kHz MW FREQUENCY COVERAGE ADJUSTMENT reading on digital Adjust part Frequency display voltmeter. Adjustment value :1.4V L5 531kHz Standard value : 1.2 1.6V Adjustment value :7.5V CT4 1,611kHz Standard value : 7.1 8.0V MW TRACKING ADJUSTMENT Adjust for a maximum reading on level meter. L4 621kHz CT102 1,404kHz
21
LW FREQUENCY COVERAGE ADJUSTMENT Adjust part L10 CT5 Frequency display 153kHz 297kHz reading on digital voltmeter Adjustment value :1.4V Standard value : 1.2 1.6V Adjustment value :5.5V Standard value : 5.4 5.6V
Auto Stop Level Adjustment BAND button : FM Volume : MIN
FM RF signal generator 0.01 µF FM EXT. ANT. terminal
LW TRACKING ADJUSTMENT Adjust for a maximum reading on level meter. L7 162kHz CT3 261kHz FM FREQUENCY COVERAGE CONFIRMATION Adjust part Confirmation Confirmation Frequency display 87.5MHz 108MHz reading on digital voltmeter 1.2 1.8V 7.7 7.9V
22.5kHz frequency deviation by 400Hz signal. Output level : 30dBµ
1. Set the frequency of FM SSG to 98MHz. 2. Press the TUNE button of the unit to start the AUTO TUNING. 3. Adjustment the SR1 to stop the auto tuning at 30dBµ SSG output.
Connect and Adjustment Location :
T2 : MW/LW IF Adjustment L10 : LW Frequency coverage Adjustment CT5 : LW Frequency coverage Adjustment
[MAIN BOARD] (Component side)
CT102 : MW Tracking Adjustment
MW/LW frequency coverage FM frequency coverage 100 k
VT GND
+
Digital voltmeter
TP1
L4 : MW Tracking Adjustment L7 : LW Tracking Adjustment
CT3 : LW Tracking Adjustment CT4 : MW Frequency coverage Adjustment L5 : MW Frequency coverage Adjustment SR1 : Auto Stop Level Adjustment
22
SECTION 5 DIAGRAMS
5-1. EXPLANATION OF IC TERMINALS
IC801 CXP82832-023Q (SYSTEM CONTROL, FL DRIVE) Pin No. 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29-33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 Pin name G02 G01 NC CD SCOR T-COUNT P.DOWN IN (BACK UP) TAPE AMS IN REMOTE IN FM STEREO IN RADIO SHFT CLK LC72131 CE LC72131 CLK LC72131 DATA IN LC72131 DATA OUT CXD2589Q XRST CXD2589Q XLAT CXD2589Q CLOCK CXD2589Q DATA CD OPEN SW IN CD CLOSE SW IN CXD2589Q SENS1 BU1924F RCLK IN BU1924F RADIO DATA IN BU1924F QUARTY IN CXD2589 SQCK CXD2589 SQSO CXD2589 SENS2 AVREF KEY1-5 TAPE STATUS TAPE MECHA MODE SW VER AVSS RESET EXTAL XTAL1 VSS XTAL 32.768kHz XTAL 32.768kHz VDD VFDP IN I CD OPEN OUT CD CLOSE OUT P03 P04 I/O O O I I I I I I O O O I O O O O O I I I I I I O I I I I I I I I O I I O I O O FL grid drive output. FL grid drive output. Not used (OPEN). CD SCOR input. Tape rotation detect input. Power ON detect input. AMS signal input. Remote control signal input. FM STEREO signal input. Clock shift signal output. Radio PLL IC chip enable output. Radio PLL IC clock output. Radio PLL IC data input. Radio PLL IC data output. CD system reset output. CD DSP IC command latch output. Clock output for CD DSP IC. CD DSP IC command data output. CD tray open switch input. CD tray close switch input. CD SENS input. Radio RDS IC clock input. Radio RDS IC data input. Radio RDS IC quarity input. Clock output for CD SUB-Q. CD SUB-Q input. CD SENS input. Reference voltage input (for A/D converter). Key return signal input. Tape detection input. FWD/REV detection input. Destination setting terminal (fixed at "H"). Ground. System reset input. System clock output (8MHz). System clock input (8MHz). Ground. Real clock input (32.768kHz). Real clock output (32.768kHz). Power supply terminal. FL power supply terminal. Initial setting input. CD tray open signal output. CD tray close signal output. Not used (OPEN). Not used (OPEN). Description
23
Pin No. 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71-88 89 90-100
Pin name SYS MUTE TUNER MUTE CD MUTE LINE MUTE TAPE REC MUTE TAPE REC TAPE BIAS TAPE SOL TAPE MECHA VCC OUT ISS 1 ISS 2 MEGA BASS POWER CONT OUT SUMMER LED SOUND LED RDS LED BH3854 CK BH3854 DATA BH3854 LACH RESERVE SEG 1-18 VDD G03-13
I/O O O O O O O O O O O O O O O O O O O O O Mute signal output. Tuner mute signal output. CD mute signal output. Line mute signal output. Tape mute signal output. Tape REC output. Tape REC bias select output. Plunger control output.
Description
Tape mechanism B+ ON/OFF output. ISS 1 ON/OFF output. ISS 2 ON/OFF output. Mega bass ON/OFF output. Power ON/OFF output. Not used. (OPEN) SOUND LED ON/OFF output. RDS LED ON/OFF output. Clock output for electrical volume IC. Data output for electrical volume IC. LACH output for electrical volume IC. Not used (OPEN). FL segment drive output. Power supply terminal. FL grid drive output.
24
r
Circuit Boards Location.
R-CH SPEAKER UNIT
AMP IC board
MAIN UNIT-1
JACK board DSP board
AMP board
DISPLAY board
POWER board
MAIN board
SPEAKER board
VOL board
CPU board
L-CH SPEAKER UNIT (DR70L only)
POWER TRANSFORMER board
AC OUTLET board
SP MAIN board
MAIN UNIT-2
TC RF board
SP JACK board
CONTROL board
SP AMP IC board
WOOFER UNIT (DR70L only)
HEAD RELAY board
ASP board MOTOR board
VOLUME board LED board
25
26
PMC-DR50L/DR70L
5-2. BLOCK DIAGRAMS CD, TUNER SECTION
· Signal path. F : FM f : MW/LW J : CD
28
29
30
5-3. BLOCK DIAGRAMS TAPE, MAIN SECTION
PMC-DR50L/DR70L
· Signal path. F : FM J : CD E : PB a : REC
31
32
33
34
PMC-DR50L/DR70L
5-4. PRINTED WIRING BOARDS MAIN SECTION
1 2
r
Refer to page 25 for Circuit Boards Location. 3 4 5 6 7 8 9 10 11 CPU BOARD CN811 (Page 60) CPU BOARD CN812 (Page 60) 12 13 14 VOL BOARD CN809 (Page 60) 15 16 17
r
Semiconductor Location
Ref. No. D1 D2 D3 D4 D6 D8 D9 D10 D11 D20 Location D-6 D-6 F-6 F-6 F-7 G-8 D-8 D-9 E-12 C-9 D-11 F-14 B-4 D-3 D-4 D-4 D-3 F-13 D-4 B-10 D-3 F-14 B-10 B-9 C-10 D-3 B-14 B-14 D-8 C-13 B-12 B-13 F-14 F-10 D-7 C-14 C-10 C-13 C-4 B-13 B-10 C-8 C-2 E-16 E-9 F-6 F-8 F-7 D-9 F-8 F-12 E-12 F-8 B-7 Ref. No. Q102 Q103 Q104 Q108 Q131 Q132 Q171 Q201 Q202 Q203 Q204 Q231 Q232 Q271 Q301 Q302 Q303 Q304 Q305 Q306 Q307 Q308 Q309 Q311 Q312 Q314 Q315 Q316 Q317 Q318 Q319 Q320 Q323 Q324 Q325 Q326 Q327 Q328 Q329 Q330 Q333 Q334 Q335 Q351 Q367 Q368 Q381 Q398 Q399 Location B-12 C-4 B-7 E-7 D-6 D-6 D-11 B-7 B-12 D-4 B-6 C-6 C-6 D-9 E-13 D-10 D-9 F-13 F-13 F-12 C-9 E-13 G-13 E-14 E-14 D-2 C-2 B-11 G-14 D-3 D-4 C-12 D-2 E-12 E-13 F-13 B-8 F-13 B-13 E-14 C-11 D-4 D-2 B-7 B-9 B-9 A-14 B-2 B-2
DSP BOARD CONTROL BOARD CN304 CN752 (Page 61) (Page 49)
A
J
[JACK BOARD]
Q399 B C E Q398 B C E 1 R391 C399 R399 R398 R395 R392 R393 R390 C398 R344 R394 J3 C397 R152 R153 C348 R253 C153 R246 5 J13 C247 C393 C394 C341 R342 CN313 1 C342 3 R379 Q323 CN312 CN311 1 7 pL311 pC313 4 5 pC312 E C B Q335 B C E R251 Q315 B C E C352 R362 J7 C355 D311 C252 R252 5 J4 4 J5 8 C152 D305 R345 RA15 C346 R255 J1 J2 R256 J164 R120 R220 R225 J165 Q204 B C E Q104 B C E J168 J167 J170 J169 Q101 R125 E C B 5 CN811 J212 J160 R124 R384 1 1 C320 5 R319 Q327 B C E R385 C125 R321 R221 8 1 C123 7 CN303 J163 R121 R317 Q201 Q351 E B C C B E R308 C321 R223 C226 C223 R222 CA95 CA96 R42 R43 7 1
K
5 6 CN812 1
C
5 6 CN302 J211 1
H
Q381 B C E R387 J100 1
L
4
C380
[MAIN BOARD]
R386
C328
4 CN304
IC304 1 2 3
C385
J14
IC305
C326 J176 5 J213 C325 D314 9 C327 R318
J157 J146 J177 J178
CN307 D361 C382
D380
R38 J181 J179 J180 J182 R370
[TC RF BOARD]
B
DR70L JK312 SIGNAL OUT BASS L R
J147 J148 J149 J150 D317A J151 J152
C141 DA318
R146
R123
R151 CN308 1
R224 C225
C307
R350 R212 R382
R381
J156 Q316 B C C108 E R307 J194
C241
L111 L211
R343
J215
J214
DA316
J174
J172 C112
IC307
5 4
R309
C155
R306
J196 R304
R240
C350 R156
C126
R116
R216
R112
C253
R227 R127
R140
R122
J173
JK311 SIGNAL OUT
C208
J153 J154 J155
Q320 ECB C143
R347 C142
R94
C340
C147
IC303
1
R337
L311
JK301 LINE OUT
Q367 Q368 B C E B C E J161
D317 D319
Q202 E C B
Q102 E C B
Q329 E C B
R349
R320 C329
C324
R348
R346
R95 R93 R91 C91 J140 1 CA64 C145 C146 C144 5 8 C92 16 C337 C336 C96 16 X2
J143 J142 J141
S303 (FWD ERASE PROOF) PM160 PLUNGER SOLENOID
D301 D304 D305 D308 D309 D310 D311 D312 D313 D314 D315 D316 D317 D318 D319 D320 D361 D380 DA10 DA315 DA316 DA317 DA318 DA380
D318
C304
D309 R302
C360
1 22 20
5
C357
L6
L331
L131
L231
R114
C101
C244 C245
C246
J184
J192
J197
C335
R360
R37
D2
R12 TU1 C48 4 L8 Q108 G S D D6 C50 R155 C65 3 C79 2 1 J130 C77 CF1 R7
L14
J195
AMP BOARD CN503 (Page 64)
C42
R331
C41
R305
pC311
J199
J198
C14
D10
R376
C8
1
7
5
1
1-676-102-
R32
C13
C6
CN303
11 (11)
J12
GND VT CF7
C44
RA315 C24 J128 C21 T2 CF3 R20 J201 C27 R18 CF4 R19 C15 R44 CF2 R24 C62 R23 J106 1 J214 24 R51 J104 R73 C64 C35 R21 C54 C29 C167 CA94 C88 C89 CN804 15 10 5 1 2 C28 5 20 C23 J105 C25 R28 C32 R26 C60 Q16 C30 E C B R57 R56 C33 C56 C18 J202 J126 J127 C22 C37 C49 D11
J121 C316 J122 J123 J124 C313 J125 R72 C98 C57 C314 L301
J187
R30
J183
D1
R371
G
Q314 E C B
C102
R34
R330
R31
R202 C202
CA342 R383 J120
C334
J191
C52
J188
J11 D320
J9
R74
D310 R368 C356 R369 J10
C43
R33
TP1
R8
D308
J193
D
CN311 POWER IN FROM SP-R
D315 C359 R378
F
5 Q203 ECB
R245
J8
C59
Q319 B C E
Q6 B C E
C347
J185 J186
D9
R303 J198
R361
D313
CONTROL BOARD CN314 (Page 61)
JK302 LINE IN
IC3
X1 CA56 15
10 11 12
CA
C51
RA24
7 CN301
J133
5 C243
C242
DSP BOARD CN753 (Page 49) PH01 OPTICAL DIGITAL OUT(CD)
R324
J175
C333
R301
C97
R104
B C E
Q334 E C B
R40
C57A
R315
J132
R171
C391
R111
D301
Q318
Q103 B C CN304 E 1 J6
R351
PH01
J171
C55
R115
C58
D20
R135 R17
C301
R211
R210 R314
IC301
C95
J136
32 30
25
20 17
C93
J159 1
J200
C255
R39 J162
1
Q307 B C E Q303 B C E
R110
Q333 B C E J135
R214
J145 CN308 1
J144
9
C381
C94
A
R215
C
Q231 E C B
E C B Q232 J166
C212
13
15
20
24
R145
J158
S305 (CrO2)
IC4
12
C351
CN691
J173 J138 9
C392 R367
R41
E E C C B B Q131 Q132
5
10
12 10 5 Q302 C204 C103 B R203 C R201 C104 R103 E C203 Q271 C201 R102 E R204 C105 C E R101 B C R271 B C302 Q171 C205 J129 R374
J134 1
IC302
5 10 DA315
R92
S302 (HEAD POSITION)
5
C339 C341
J139
C340
1
S301 (HALF DET)
C311 J211 J190 C312 R340 R312 C315 B C E R313 J118 R311 E C B Q326 E C B R353 Q305 Q301
R338
Q330 ECB
RV160
PH160
IC2 IC3 IC4 IC301 IC302 IC303 IC304 IC305 IC307
J108 L13
R339
R325
R13
R6 C7 J107 R5
C26
J113 E C B Q17
R390
CPU BOARD CN803 (Page 60)
JK1
FM75
L4 CT102
R15
BCE
Q324 B C E J114 J112
Q308 B C E
Q325 B C E Q304
R358
E
M
CA88
8
7
6
5
L9
Q1
R344 Q311 E C B R356 R357
R70
CT5
Q306
J119
R27
J207
CT3
C71
J206
F
L-CH
3
D4
R61
J213
CN1
J212
4
J216
C17
R16
R36
J101
C73
R64
J210
6
R60
R-CH 02
J103
5
E C B Q19
J208
CN1
R328
J203
R14
L5 R63
J205 J204
MW/LW
CT4
C31
C38
J209
Q3 E C B
L7
IC2
RA39
CN301
R62
J131 CA14 C16
L10
D304
HRPE101 RECORD/PLAYBACK/ERASE HEAD
C78
C63 C39
[HEAD RELAY BOARD]
EXT. ANT.
D3
Q5 ECB
10
12
E C B
Q312 E C B D316
R160 R158
DA380 R378 R334
15 13
R65
Q7 E C B Q4 B C E
C46
C61
B C E
M160 CAPSTAN/REEL MOTOR
PH01 PH160 Q1 Q3 Q4 Q5 Q6 Q7 Q16 Q17 Q19 Q101
C19
R316
D312
B C E Q328 J115 J116 R335 R352
R388 R379 J117
M
R377 R389 R380 1
SFR1 C20
R359 R332 J111
R59
R58
D8
2
J102
19 18
Q309 E C B
Q317 E C B 9 CN305
S304 (REV ERASE PROOF) 11 (11) 11 (11)
5
ERASE G 1-673-339-
1
11 (11)
1-676-101-
1-673-338-
I
35 36
CPU BOARD CN804 (Page 59)
Note: · X : parts extracted from the component side. · p : parts mounted on the conductor side. ¢ · : internal component. · b : Pattern from the side which enables seeing.
37
38
PMC-DR50L/DR70L
5-5. SCHEMATIC DIAGRAM MAIN SECTION (1/3)
r
Refer to page 74 for IC Block Diagram.
r Waveforms
MAIN SECTION (1/3)
1
1.5Vp-p
75kHz
VOLT/DIV : 0.5 V AC TIME/DIV : 5 msec
IC3 @¡
2
556mVp-p
4.332MHz
VOLT/DIV : 0.2 V AC TIME/DIV : 50 nsec
IC4 !¢
Note: · All capacitors are in µF unless otherwise noted. pF: µµF 50 WV or less are not indicated except for electrolytics and tantalums. · All resistors are in and 1/4 W or less unless otherwise specified. ¢ · : internal component. · U : B+ Line. · H : adjustment for repair. · Voltages and waveforms are dc with respect to ground under no-signal (detuned) conditions. no mark : FM ( ) : MW < > : LW · Voltages are taken with a VOM (Input impedance 10 M). Voltage variations may be noted due to normal production tolerances. · Waveforms are taken with a oscilloscope. Voltage variations may be noted due to normal production tolerances. · Circled numbers refer to waveforms. · Signal path. F : FM f : MW L : LW
39
40
41
PMC-DR50L/DR70L
5-6. SCHEMATIC DIAGRAM MAIN SECTION (2/3)
r
Refer to page 74 for IC Block Diagrams.
r
Refer to page 45 for Waveforms.
r
Refer to page 45 for Notes.
42
43
44
5-7. SCHEMATIC DIAGRAM MAIN SECTION (3/3)
r Waveforms
PMC-DR50L/DR70L
MAIN SECTION (2/3)
1
60Vp-p
57kHz
ATT : 1/10 VOLT/DIV : 1V AC TIME/DIV : 5 µsec
L301
2
15Vp-p
57kHz
Q301 C
VOLT/DIV : 5 V AC TIME/DIV : 5 µsec
Note on Schematic Diagram Main Section (2/3) : Note: · All capacitors are in µF unless otherwise noted. pF: µµF 50 WV or less are not indicated except for electrolytics and tantalums. · All resistors are in and 1/4 W or less unless otherwise specified. · U : B+ Line. · H : adjustment for repair. · Voltages and waveforms are dc with respect to ground under no-signal (detuned) conditions. no mark : COMMON (REC) ( ) : PLAY · Voltages are taken with a VOM (Input impedance 10 M). Voltage variations may be noted due to normal production tolerances. · Waveforms are taken with a oscilloscope. Voltage variations may be noted due to normal production tolerances. · Circled numbers refer to waveforms. · Signal path. F : FM E : PB a : REC J : CD
Note on Schematic Diagram Main Section (3/3) : Note: · All capacitors are in µF unless otherwise noted. pF: µµF 50 WV or less are not indicated except for electrolytics and tantalums. · All resistors are in and 1/4 W or less unless otherwise specified. · U : B+ Line. · Voltages are dc with respect to ground under no-signal (detuned) conditions. no mark : FM · Voltages are taken with a VOM (Input impedance 10 M). Voltage variations may be noted due to normal production tolerances. · Signal path. F : FM c : digital out
45
46
47
PMC-DR50L/DR70L
5-8. PRINTED WIRING BOARDS CD SECTION
1
r r
Refer to page 25 for Circuit Boards Location.
2
3
4
5
6
7
8
9
10
11
12
Semiconductor Location
Ref. No. IC651 IC701 IC702 IC751 Q701 Q751 Q752 Q753 Q754 Q755 Location F-4 B-4 E-1 C-9 C-1 D-11 C-11 B-10 B-9 D-10
[DSP BOARD]
A
(RFO) (VC)
[ASP BOARD]
C724
J701(5V) R710
TP701
CN702 1 2 5
J770 R793 R757 R758 R759 R760
C753
R756
R755
R754
C723 C721
C711
R740 R741 R742
J703
10 15 C741
C742
R796
R795
C717 R720 R722
R709 R711 R707 C715
R782
R784
B
J734 R717
J704
C707
J769
C743
C744
35
J733 (TEO)
C712
R702
R706
R719
C
C709
J766
J731 (VC) C705 C726 J730 (5V)
R723
J776
C702
C708 R712 C710
C722 R732 R718
R734
R729
J706 C725
10
CPU BOARD CN806 (Page 60)
6 1
5 1 CN752 CN754
J776
5 10
X701 70 65 61
C778
C706
R724
R751
5
75
R774
C756
C730
C729
J778
50 52
1
B
CN806
C704
R753 J774 R761 J775 C761
R764 R763
1
80
R773
45
10
C755
R704 J732
Q701
C782
R701
C703
C701
13 10 R725 5 C727
L701
40
C737 R727
CN702 1 2
L751
R752
J763
R790 C783 R785 R783 R781 CN754 3 C785 R787 E C B R789 E C B
Q755 R799 Q751
C788 C787
15 C776 20 21 25 30 C767 35 40 41 45 50
C781 J765
C728
C739
R715
C740 R716 R714 CN701 10 5
2
J728
C733 C714 R733 J707
C713 C716
IC751
60 55 L752
J729 (5V)
15
C738 J709 6
20
19
1-676-293-
J761
J712
J713
J711
C768
C763 J754
R767 C762
C764
C765
C766
J710
CN651
1
J773
R768 R769 J755 J756
R771 J758
D
R736
J727
M
M701 SLED MOTOR
1 S701 (LIMIT)
J726
15 16
C718
J752
1
R766
R765
CN753
MAIN BOARD CN302 (Page 37)
C775
1
3
C770
C
3
1
J708
J757
J760
R750
J759
11 (11)
R797 R798
Q752
B C E
39
IC701
15 R728 14 C731
C752
C751
R746
J772 14 J773
C754
J767
C773
C779
J768
J764
R703
20
J702
R745
J779
J771
C772
C774
C777
R705
27 30
26 25
R726
J705
C719
R721
R747 R744
R762 20 19
C771
R786
C784
R743
C769
Q754
R794
Q753
C720
E C B
E C B
C786
R788
E C B
1-676-104-
C734 28 25 22
J724
CA736 21 20 15
J714
11 (11)
C736 J725
J721
E
IC702
1 5 7 8 10 14
J723
M702 SPINDLE M MOTOR
A
JACK BOARD CN313 (Page 35) M651 LOADING MOTOR
R738
C735
R731
C732
J722
OPTICAL PICK-UP KSS-213C F
M
R651
IC651
9 5 1
J651 J652
R653
R652 L651
C652
J653
CN651 C651 1
Note on Printed Wiring Boards: Note: · X : parts extracted from the component side. · b : Pattern from the side which enables seeing.
G
02
S651 (CD TRAY) CLOSE OPEN
C653
[MOTOR BOARD]
1-676-294-
6
11 (11)
02
48
49
50
5-9. SCHEMATIC DIAGRAM CD SECTION
r
Refer to page 75 -76 for IC Block Diagrams.
r
Refer to page 55 for Waveforms.
PMC-DR50L/DR70L
Note: · All capacitors are in µF unless otherwise noted. pF: µµF 50 WV or less are not indicated except for electrolytics and tantalums. · All resistors are in and 1/4 W or less unless otherwise specified. Note: The components identified by mark ! or dotted line with mark ! are critical for safety. Replace only with part number specified. · U : B+ Line. · Voltages and waveforms are dc with respect to ground under no-signal (detuned) conditions. no mark : CD STOP ( ) : CD PLAY · Voltages are taken with a VOM (Input impedance 10 M). Voltage variations may be noted due to normal production tolerances. · Waveforms are taken with a oscilloscope. Voltage variations may be noted due to normal production tolerances. · Circled numbers refer to waveforms. · Signal path. J : CD c : digital out
51
52
53
54
PMC-DR50L/DR70L
r Waveforms
5-10. SCHEMATIC DIAGRAM CONTOROL SECTION
r
(CD SECTION)
Waveforms CONTROL SECTION
1
(PLAY MODE)
1
1.0 1.5Vp-p
4.8Vp-p
32.768kHz
IC701 #£ (RFO)
VOLT/DIV : 0.5 V AC TIME/DIV : 1 µsec
IC801 $TM
VOLT/DIV : 1V AC TIME/DIV : 10 µsec
2
(PLAY MODE)
2
2.5Vp-p
0.6Vp-p
8MHz
IC701 6 (FEO)
VOLT/DIV : 1 V AC TIME/DIV : 1 msec
IC801 $º
VOLT/DIV : 0.5V AC TIME/DIV : 50 nsec
3
(PLAY MODE)
0.7Vp-p
IC701 $ (TO)
VOLT/DIV : 20mV AC TIME/DIV : 1 msec
4
875mVp-p
0.1162MHz 8.6 µsec
IC751 @ª (PCO)
VOLT/DIV : 0.5 V AC TIME/DIV : 5 µsec
5
4.7Vp-p
22.85 µsec
IC751 #ª, $º (LRCK)
VOLT/DIV : 1 V AC TIME/DIV : 5 µsec
6
271mVp-p
16.9344MHz
IC751 &¡ (XTAO)
VOLT/DIV : 0.1V AC TIME/DIV : 20 nsec
Note: · All capacitors are in µF unless otherwise noted. pF: µµF 50 WV or less are not indicated except for electrolytics and tantalums. · All resistors are in and 1/4 W or less unless otherwise specified. · U : B+ Line. · Voltages and waveforms are dc with respect to ground under no-signal (detuned) conditions. no mark : RADIO (COMMON) ( ) : CD < > : REC [ ] : PLAY · Voltages are taken with a VOM (Input impedance 10 M). Voltage variations may be noted due to normal production tolerances. · Waveforms are taken with a oscilloscope. Voltage variations may be noted due to normal production tolerances. · Circled numbers refer to waveforms.
55
56
57
58
5-11. PRINTED WIRING BOARDS CONTOROL SECTION
1 2
r
Refer to page 25 for Circuit Boards Location.
PMC-DR50L/DR70L
5 6 7 8 9 10 MAIN BOARD CN304 (Page 37) 11 JACK BOARD CN304 (Page 35) 12
3
4
r
Semiconductor Location
Ref. No. D801 D802 D809 D810 D811 Location B-3 B-3 D-7 D-11 D-8 D-9 D-10 D-9 D-9 D-10 E-8 E-9 E-10 E-9 E-9 E-10 D-8 D-9 D-10 D-9 D-9 D-10 B-9
A
[CPU BOARD]
RB830 1 5 CN308 8 CN811 1 CN812 1 CN804 19 18
J
RA830
H
[CONTROL BOARD]
D896 C896
J851 L803 Q896 E C B 1 Q807 B C E 5 Q806 B C E CN304 Q808 E C B 1
F
MAIN BOARD CN811 (Page 37)
J811 J812
RA894
R8305
R8303
R8304
CN807
R824 C823
15
D802
D801
J805
C854
J807
B
J809
5 RA805 C805 C807 RA804 7
5 6
RA895
J808
K
MAIN BOARD CN812 (Page 37)
S828 ENTER/MEM PGM SET
S827 PLAY MODE MONO/ST ISS
J802
J803
C819
J825
R838
R809 R808
C827
C824 J806
RA815 C815 RA816
R820
R807
C848
ECB Q802 C835 C837 C838 C833
L802
R853
R852
31 35 40 45 50 51 55 60 65 70 75
R819 J816 R818
C846 C845
30 25 20 15 10 5
R810
R816 13 14
C816
1
2 C849
RA817
MAIN BOARD CN804 (Page 37)
5
C851 C850
R827 Q801 E C B R836 C836 R837
3 2 1 IC802 C832 X801 C831
R839
R890
R889
R895
R887
R873
R874
R875
R891
R888
R876
R877
R834
C808 R825
J853
10 C853 C852
C834
C828
C818 C810
C820
I
C839
J810 C809
S811 DUBBING
R898
R899
S829 LINE IN
Q809 B C E
Q810 B C E
1
5
8
5 CN314
S813 COUNTER RESET
D812 D813 D814 D815 D816 D821 D822 D823 D824 D825 D826 D831 D832 D833 D834 D835 D836 D896 D936
R863 R864
C855 C856 R862
J804
R896
R897
S812 \ r/P
C151 R151
S832 SUMMER TIME
R893 R892
S810 0 S826 =
TUNE TIME SET
S809 )
J855
R815
J817
R812 J818 R813 C803 J819 R814
C
S825 +
TAPE
TAPE
R894 J856
S814 DIR MODE
R251
R846
R835
C826
X802 R840
J820
R817 R821 R822
R854
R851
CN806
10 5 1 2 R806
R848
C822
R855
R850
C829
IC801
C817 C821
RA899
R849
R803
90 85 80 81
C251
100 95
C812
S830 SOUND
RB899
DSP BOARD CN806 (Page 49)
R805 R804
R886 D831 D834 D835 D832
TAPE SWITCH BACK-LIGHT RADIO S821 PRESET+ S820 BAND
R885 D833 D836
J857
1
R811
C825
B
S831 MEGA BASS
S824 ª
S823
S822 ·
JK151 2 S815 RDS
IC801 IC802 Q801 Q802 Q806 Q807 Q808 Q809 Q810 Q896
C-4 B-3 B-2 C-2 B-10 B-10 B-11 B-8 B-8 B-10
C811
R856
J821
J830
J829
J828
D
C857 C858 C859 C860
R857 R858 R859 R860
C813
C814
R878
J827
J826 CN801 10 15 5 2 1
RA897
18 17
10 15 5
2 1
18 19
1
4 J825
RB897
CN802
CN803
J824 R802
R844
R841
J831
S833 CD OPEN/ CLOSE 6 11 (11)
R879
J822 J823
D809 SOUND
S819 PRESET
R884
RADIO SWITCH BACK-LIGHT
D811 D814 D815 R881 D812 D813 D816
D810 RDS S816 OPERATE 1-676-10711 (11)
CD
R801 RA801
C865
RB898
RA898
C802
S817
D821 D824
S818 fl
D822 D823
R843
R842
C847
R883
R882
1-676-106-
E
R880 D825
D826
CD SWITCH BACK-LIGHT
M
JACK BOARD CN312 (Page 35)
[DISPLAY BOARD]
F
18 17 10 15 CN802 5 2 1 19 18 15 5 10 CN801 RA803 1 2 R865 R866
[VOL BOARD]
3 2 1 pC871 pC870
S807 VOLUME
R871
S806 VOLUME+
CN809
1 4 R872
R870
1-676-103-
11 (11)
C895
C893
RA801
RM801
RA802
S808 SNOOZE
FL801
44 43 40 R869 35 30 25 R868 23 17 15 R867 10 5 2 1 C894
L
MAIN BOARD CN307 (Page 37) 11 (11) S802 SLEEP
Note: · X : parts extracted from the component side. · b : Pattern from the side which enables seeing.
G
S805 DISPLAY
S804 TIMER
S803 CLOCK
S801 STANDBY 1-676-105-
02
59
60
61
PMC-DR50L/DR70L
5-12. PRINTED WIRING BOARDS AMP SECTION
1
r r
Refer to page 26 for Circuit Boards Location.
4 5 6 7 8 9 10
2
3
Semiconductor Location
Ref. No. D401 D402 D403 D404 D501 D502 D503 D504 IC309 Q401 Location E-3 E-2 F-4 E-2 F-7 E-7 E-7 E-7 A-3 E-4
7 5 CN514 R184 R283 R284 C184 J511 R383 C181 C387 R182 C385 pC388 C381 R181 1 C185 7 R381 C386 C281 R282 R281 J501 CN510 1 3 CN505 1 5 C382 1 CN513
A
[AMP IC BOARD]
18 CN514 7 5 15 J510 1 10 C182 7 5 5 1 IC309 C282 CN513 1
[POWER BOARD]
T501 POWER TRANSFORMER
1-676-252-
11 (11)
*
B
[AMP BOARD]
C + SP101 SPEAKER R-CH
CN504 1 2
C284
C285 J513
R183
J512
5 6
* NOT REPLACEABLE: BUILT IN TRANSFORMER
D
CN511 1 2
CN503 1
CN503 POWER OUT TO MAIN UNIT
J516
J515
J514
J519
C505
F501
5 J520 CN505 1 D404 C409 R404 R405 7 C407 C408
G
JACK BOARD CN311 (Page 35)
D504 C504 D503 C503
LF501
R401
6 C411
J517
E
5 C412 C406 Q401 E C B J521
J518
C402
D502 C405 C502 D501 D403 C501
CNP501 AC IN
D402 C401
R403
C410
D401 C404
C403
R402
F
1-676-253-
11 (11)
1-676-255-
11 (11)
[SPEAKER BOARD]
CN511 1 2 3 1 CN510 C186 C286 J503 J502 R502 C506 R503
G
1-676-254H
11 (11)
+
L SIGNAL INPUT JK502
R
02
SPEAKER OUT L-CH JK501
Note: · X : parts extracted from the component side. · p : parts mounted on the conductor side. · b : Pattern from the side which enables seeing.
62
63
64
PMC-DR50L/DR70L
5-13. SCHEMATIC DIAGRAM AMP SECTION
Note: · All capacitors are in µF unless otherwise noted. pF: µµF 50 WV or less are not indicated except for electrolytics and tantalums. · All resistors are in and 1/4 W or less unless otherwise specified. · 2 : nonflammable resistor. Note: The components identified by mark ! or dotted line with mark ! are critical for safety. Replace only with part number specified. · U : B+ Line. · Voltages are dc with respect to ground under no-signal (detuned) conditions. no mark : FM · Voltages are taken with a VOM (Input impedance 10 M). Voltage variations may be noted due to normal production tolerances. · Signal path. F : FM
65
66
67
PMC-DR50L/DR70L
5-14. PRINTED WIRING BOARDS WOOFER AMP SECTION (DR70L ONLY)
1
r r
Refer to page 25 for Circuit Boards Location.
5 6 7 8 9 10 11 12 13
2
3
4
Semiconductor Location
Ref. No. D601 D602 D603 D604 D606 D607 D608 D609 D610 LED611 IC601 Q601 Q602 Q603 Q604 Q605 Q606 Q607 Q608 Q609 Q610 Q611 Q612 Q613 Q615 Location F-9 F-10 F-10 F-11 B-5 B-6 B-6 E-6 D-5 D-3 D-8 B-5 C-5 C-6 C-4 D-5
C B A
L-CH SPEAKER UNIT (DR70L)
[SP MAIN BOARD]
R652 D606 R653 Q612 B C E C619 R626 B C E Q615 R638 C616
[POWER TRANSFORMER BOARD]
T601 POWER TRANSFORMER
C699
C668
R627
R628
C627
C608
C626
Q610
R625
CN602 1 C669 5
Q601 B C E
R650 C609
E C B
R623
C640
E C B
J601
R618
D607 D608
J600
R619
C613
Q608
*
C614 R622 R620 E C B Q607
R617 Q606 C612 R645 R646 R615 C641 C611 R616 C610 Q602 R651 C617 B C E
F601
R621
R640
R630
J606 R609 R608 C606 J602 Q605 R606 C698 C603
R633
R641
C-6 C-7 B-7 E-5 B-6 E-4 B-6 D-4 B-6
Q604
WOOFER UNIT (DR70L)
R611
R613
B C E J608
R631
[SP AMP IC BOARD]
CN607
[LED BOARD]
LED611 LEVEL D
1 2 CN609
B C E
E C B
C697
R610
R642
R612
Q603
C607
C621
R614
C615
RA607
R604
B C E
J607 CN610 1 CN601 1 IC601 7 6 5 5 7 CN604 C604 5 7 1 2
* NOT REPLACEABLE: BUILT IN TRANSFORMER
R603
R607 C605 R654 C620
J603 Q611 S D G CN611 1 R634 C633 5
CN613 4 D609 R647 R636 R637 R601
2
E
G S D
[VOLUME BOARD]
Q609
C662
1-676-248+
R655 CN609 1 2
D603
C663
D604
C664
D601
D602
C661
J609
3
F
CN614 1 3
C602
[SP JACK BOARD]
1-676-2491 CN611 5
C665
4 CN613
1
1-676-256G
1-676-250-
11 (11)
Note: · X : parts extracted from the component side. · b : Pattern from the side which enables seeing.
H
P601 (VOLUME IN)
02
68
+
SP601 SPEAKER (WOOFER)
+
+
WOOFER OUT 4 IMPEDANCE USE 6 JK604
SPEAKER IN L-CH
69
CA602
VR601 LEVEL
SP201 SPEAKER L-CH
KH603 1
C666
+
1-676-257-
11 (11)
CA602 C601
R605
Q613 D S G
D610
J605 R602
R632
AC IN
C618
C623
1 1
CN606 F602 F603
1-676-42511 (11)
11 (11)
11 (11)
R635
[AC OUTLET BOARD]
11 (11)
JK602 VOLUME OUT WOOFER
JK601 SIGNAL IN BASS
JK605 AC OUTLET MAX 50W (UNSWITCHED) AC230V ~50Hz
CN607
1-676-251-
11 (11)
70
PMC-DR50L/DR70L
5-15. SCHEMATIC DIAGRAM WOOFER AMP SECTION (DR70L ONLY)
r
Refer to page 76 for IC Block Diagram.
Note: · All capacitors are in µF unless otherwise noted. pF: µµF 50 WV or less are not indicated except for electrolytics and tantalums. · All resistors are in and 1/4 W or less unless otherwise specified. · U : B+ Line. · Voltages are dc with respect to ground under no-signal (detuned) conditions. no mark : FM · Voltages are taken with a VOM (Input impedance 10 M). Voltage variations may be noted due to normal production tolerances. · Signal path. F : FM
71
72
73
PMC-DR50L/DR70L
r
PCMDI 42
ENPHI
XPCK
XUGF
VDD
VSS
VSS
RADIO
R.RAD
L.RAD
TAPE
R.CD
R.LO
L.CD
L.LO
RFTC
PD2
PD1
VCC
REC
RFO
CC1
CC2
MIC I/EX
MIC
SENSE TIMING PULSE WIDTH
FOK
RF-
RFI
PD
CP
CB
LD
24
23
22 10k
21 1k
20
19 LOGIC
18 1k
17 1k
16 10k
15
14
13
VCC OUT NOISE FILTER MUTING GND NFB IN
60
59 58 57
56
55
54 53 52 51 50
49
48
47
46
45
44
43
BCK
GFS
IC305 BA338
BCKI
IC701 CXA1992BR
39 38 37 VEE 36
41
35
34
33
32
31
30
29
28
27
15k
RADIO
RADIO
6k 10k
MONITOR AMP 7dB
MONITOR AMP 6k 7dB 10k
10k
9 8 7 6 5 4 3 PRE AMP
2 1
PD2 IV AMP F. BIAS 40
COMPARATOR
PD1 IV AMP VCC
RF SUMMING AMP 26 APC VEE IIL TTL 24 SENS1 SENS2
VDD 61 SYSM 62 PWM SERIAL-IN INTERFACE 40 LRCKI 39 LRCK 38 ASYO 37 ASYI
MUTE
MUTE
LINE
LINE
ON
ON
TAPE
TAPE
S B+ TAPE Q R F.F.
AVSS 63 LASER POWER CONTROL OVER SAMPLING DIGITAL FILTER AVDD 64 EFM DEMODULATOR ASYMMETRY CORRECTOR
10k 10k
TAPE BUF AMP A1 10k
BUF AMP B1
BUF AMP B2
10k 10k
F 41
COMPARATOR
F IV AMP VCC E IV AMP IFB4 IFB2 IFB3
VCC VCC
BUF AMP A2 10k 10k 10k MUTE
MIC AMP1 COMPARATOR
E 42
FE AMP
24
C. OUT
PCMD
EMPH
WFCK
EXCK SBSO SCOR
DOUT C4M XTSL C2PO
IC Block Diagrams MAIN SECTION (2/3) IC301 TA2068N
r
IC Block Diagrams CD SECTION
IC751 CXD2589Q
36 BIAS 35 RF
VEE IFB5 IFB1 IFB6 DFCT VEE LEVEL S VEE VEE FO. BIAS WINDOW COMP. TRK. GAIN WINDOW COMP. E-F BALANCE WINDOW COMP. FOH FOL TGH TGL BALH BALL ATSC TZC FZC FOK 22 VCC MIRR IIL TTL DATA 23 XRST AOUT1 AIN1 LOUT1 AVSS XVDD XTAI 65 66 67 68 69 70 3rd-ORDER NOISE SHAPER
NAB AMP1
26dB REC AMP1 DET
26dB REC AMP2 2.1
NAB AMP2 10k
1k
BAL2 BAL3 BAL4
BAL1
ALC1
ALC2
ON
EI 43
VEE TOG1 TOG2 TOG3 TOG4 GND 44
TGFL
34 AVDD
33 CLTV TIMING LOGIC SUB CODE PROCESSOR PWM ERROR CORRECTOR 16K RAM DIGITAL PLL 32 AVSS 31 FILI 30 FILO
REF AMP
TO 45
1 2 3 4 5 6 7 8 9 10 11 12
TTL IIL CC1
21
XLT
L.RO
L.PO
R.RO
R.NF
R.PO
DFCT1
LDON
MIRR
LPCL
TGFL
L.NF
L.IN
REF
GND
R.IN
AGC
MIC NF
LPC
LPFI 46
20
CLK
XTAO 71
TI 47
IIL DATA REGISTER, INPUT SHIFT REGISTER, ADDRESS DECODER, SENS SELECTOR, OUTPUT DECODER VCC
19
LOCK
XVSS 72 DIGITAL OUT D/A INTERFACE
29 PCO
ATSC 48
18
VCC AVSS 73 OSC 28 VCTL 27 V16M
IC302 BH3854AFS
FILTER LATCH DVN2 BVO2 DATA OUT2 TVO2 VREF BIN2 TIN2 CLK NF2 IN2 VC BC TC TZC 49
ATSC WINDOW COMP. DFCT TM1 TRACKING PHASE COMPENSATION
32
31
30
29
28
27 TONE
26
25
24
23
22
21
20
19
18
17 TDFCT 50
TZC COMP.
DFCTO IFB1-6 FS1-4 BAL1-4 TOG1-4
TG1-2 TM1-7 PS1-4
ISET
17
ISET LOUT2 74 AIN2 75 AOUT2 76 AVDD 77 CLOCK GENERATOR 26 VCKI 25 VPCO 24 TES1 23 TEST
VCC VCC VR MATRIX SURROUND VR FZC 52 TONE DFCT 1 AGND 2 IN1 3 NF2 4 BVN1 5 BIN1 6 BVO1 7 TIN1 8 TVO1 9 OUT1 10 VCC 11 SC 12 PORT1 13 PORT2 14 PORT3 15 PORT4 16 DGND FZC COMP. FS4 VEE 1 FEO 2 FEI 3 FDFCT 4 FGD 5 FLB 6 FE_O 7 FE8 SRCH 9 TGU 10 TG2 11 FSET 12 TEFS2 Charge up FSET TG2 CONTROL VC 51 VCC VEE FOCUS PHASE COMPENSATION VCC FS1 TG1 TM4
VCC 16 SLO
TM6
15 TM7 TM3 VEE VEE TM5 14 TM2
SL-
AVSS 78 XRST 79
CPU INTERLACE SERVO AUTO SEQUENCER
22 PWMI DIGITAL CLV 21 MDP
SL+ VDD 80
1 VSS
2 3 LMUTE RMUTE
4 SQCK
5 SQSO
6 SENS
7 DATA
8 XLAT
9 CLOK
10 SEIN
11 CNIN
12 DATO
13 XLTO
14 CLKO
15 SPOA
16 SPOB
17 XLON
18 FOK
19 VDD
20 VSS
13 TEO
IC651 TA8409S
r
IC702 BA6898FP
VREFI SPIN GND VCC VCC
IC Block Diagrams WOOFER AMP SECTION
28
27 D
26 D
25
24
23
22 VCC
21 VCC
20
19
18 D
17 D
16 NC
15
STANDBY BLOCK
VREF BLOCK
TIN
FIN
NC
NC
NC
IC601 TDA2052
LEVEL SHIFT
LEVEL SHIFT
T. S. D. REGULATOR, BIAS, T. S. D. MONITOR LEVEL SHIFT D 1
SL-
T+
F+
T-
F-
DRIVER MUTE
1
OUT
MUTE/ ST-BY 2
VDD
3
MUTE/ STANDBY
4 5 6 7
VEE IN1+ IN IN2+
LEVEL SHIFT D 3
SLIN
D 2
SL+
D 12
SP+
HEAT CUT OFF BLOCK
4
RST
5
REG B
6
REGD
7
MUTE
8
GND
9
NC
10
SIN
11
SP-
13
GND
14
SPO 1 IN2 2 VCC 3 OUT2 4 NC 5 GND 6 VS 7 OUT1 8 VREF 9 IN1
74
75
76
SECTION 6 EXPLODED VIEWS
NOTE : · -XX, -X mean standardized parts, so they may have some difference from the original one. · Color indication of Appearance Parts Example : KNOB, BALANCE (WHITE) ··· (RED) Parts color Cabinet's color · Items marked " * "are not stocked since they are seldom required for routine service. Some delay should be anticipated when ordering these items. · The mechanical parts with no reference number in the exploded views are not supplied. · Hardware (# mark) list and accessories and packing materials are given in the last of this parts list. The components identified by mark ! or dotted line with mark ! are critical for safety. Replace only with part number specified.
6-1. CASE SECTION
#4
3
#2 #2
#16
4
#2
#3
#3
2 1
#3
5 5
#3 #3 #1 #3
Ref. No. 1 2 * 3 * 3
Part No. 3-043-306-01 3-043-304-01 A-3323-378-A A-3323-406-A
Description CASE(BOTTOM) SUB COVER JACK BOARD, COMPLETE (DR70L) JACK BOARD, COMPLETE (DR50L)
Remark
Ref. No. * 4 * 5
Part No.
Description
Remark
A-3323-377-A MAIN BOARD, COMPLETE 3-042-178-01 FOOT, RUBBER
77
6-2. CONTROL SECTION 65
66
67
64
#3
#3
68
63
#2
69 70 61 72 59
#2
62
71 73 76 75 77 52 74
60
#2
#2
58 57
#2
53
#2 #2
54
#2 FL801 #2
51
#2 #2 #2
56
55
not supplied #2
Ref. No. * 51 * 52 53 * 54 * 55 * 56 57 58 * 59 60 61 62 62 * 63 * 64
Part No. A-3323-379-A A-3323-381-A 1-794-036-11 3-042-156-01 A-3323-382-A 3-042-161-01 1-794-037-11 1-794-038-11 A-3323-380-A 1-794-039-11 1-794-040-11 X-3378-277-1 X-3378-278-1 1-676-103-11 3-042-163-01
Description CONTROL BOARD, COMPLETE CPU BOARD, COMPLETE WIRE(FLATTYPE) (19 CORE) (90mm) HOLDER, DISPLAY PC BOARD DISPLAY BOARD, COMPLETE HOLDER, DISPLAY WIRE(FLATTYPE) (18 CORE) WIRE(FLATTYPE) (19 CORE) (70mm) DSP BOARD, COMPLETE WIRE(FLATTYPE) (14 CORE) WIRE(FLATTYPE) (20 CORE) PANEL ASSY, FRONT (DR50L) PANEL ASSY, FRONT (DR70L) VOL BOARD COVER, DECK
Remark
Ref. No. 65 66 67 68 69 * 70 71 72 73 * 74 * 75 76 77 FL801
Part No. 3-042-149-01 3-042-150-01 3-042-159-01 X-3378-276-1 3-043-307-01 3-042-155-01 3-042-160-01 3-042-158-01 X-3378-360-1 3-042-165-01 3-042-154-01 3-042-153-01 3-042-164-01 1-517-921-11
Description DOOR, CASSETTE HOLDER, CASSETTE SPRING, CASSETTE DOOR COVER ASSY, TOP GEAR,DUMPER BASE, DOOR LOCK SPRING, DOOR LOCK PLATE, CASSETTE LOCK OPERATE BUTTON ASSY COVER, LED SPACE, PC BOARD FILM, BUTTON PLATE, PVC INDICATOR TUBE, FLUORESCENT
Remark
78
6-3. CD MECHANISM SECTION
not supplied
#6
not supplied
111 112 113 109
110 109 108 107 109 106
#5
114
113
114
115 105
M651
116
103 104 102 101
#7
Ref. No. * 101 * 102 103 104 105 106 107 108 109
Part No. A-3322-390-A 1-676-294-11 3-028-010-01 3-042-210-01 3-028-014-01 3-028-015-01 3-933-020-01 3-028-013-01 3-921-725-01
Description ASP BOARD, COMPLETE MOTOR BOARD TRAY DOOR, CD GEAR PULLEY BELT GEAR, DRIVE SCREW (2.6X10), +PWH
Remark
Ref. No. 110 111 112 113 114 * 115 116 M651
Part No.
Description
Remark
3-028-019-01 PLATE, CHUCK 1-452-899-21 3-028-011-01 3-931-379-01 3-910-095-31 3-028-009-01 MAGNET ARM RUBBER, VIBRATION PROOF (PINK) RUBBER, VIBRATION PROOF (GREEN) CHASSIS
1-783-888-11 WIRE (FLAT TYPE) (16 CORE) A-3320-538-A MOTOR ASSY (LOADING) (INCLUDING PULLEY)
79
6-4. MECHANISM DECK SECTION -1 (MF-PMCDR50)
165
M160 not supplied
182
(S301, 303, 304, 305)
162
181
(S301, 303, 304, 305)
161 183
164 168 166
167
PH160 S302 PM160
169 175 178 176
179 180
177 160 173 174 171 172 151 152 170
159
158 157 156 155 154 153
Ref. No. 151 152 153 154 155 156 157 158 159 160 * 161 162 164 165 166 167 168 169 170
Part No. 3-029-619-01 3-029-591-01 3-029-590-01 3-034-597-01 3-704-418-14 3-029-623-01 3-029-622-01 3-029-621-01 3-029-620-01 3-029-587-01 1-673-338-11 3-938-944-01 3-029-618-01 3-029-614-01 3-029-599-01 3-029-598-01 3-029-588-01 3-029-625-01 3-029-592-01
Description SCREW COLLAR CAM, GEAR CAM, ARM SCREW (M1.7X4), TAPPING WASHER WASHER WASHER WASHER COVER TC RF BOARD SCREW (D) SCREW SCREW BELT (FR) BELT (BR) FLYWHEEL (L) WASHER FLYWHEEL (R)
Remark
Ref. No. 171 172 173 174 175 176 177 178 179 180 181 182 183 M160 PH160 PM160 S302
Part No.
Description
Remark
3-029-626-01 WASHER 3-029-589-01 3-029-611-01 3-029-593-01 3-029-612-01 3-029-594-01 3-029-595-01 3-029-613-01 3-029-596-01 3-029-627-01 3-034-694-01 TRIGGER, ARM SPRING CLUTCH SPRING ARM(UD B) GEAR (UD) SPRING PULLEY (D) WASHER BOX(SW) (S301, 303, 304, 305)
3-034-693-01 SPRING (SW) (S301, 303, 304, 305) 3-029-600-01 SPACER 3-034-599-01 MOTOR ASSY (CAPSTAN/REEL) (INCLUDING PULLEY) 8-729-021-62 PHOTO INTERRUPTOR SG-211 1-454-896-11 SOLENOID, PLUNGER 1-771-661-11 SWITCH, LEAF (HEAD POSITION)
80
6-5. MECHANISM DECK SECTION-2 (MF-PMCDR50)
228 229 224 223 226 227
222
225
220 219 218
221 231 209 215 214 202 230 206
217 216
HRPE101
204 201 202 203 205
213
212 211 208
not supplied
207
not supplied
210
Ref. No. 201 202 203 204 205 206 207 208 209 210 211 212 213 214 215 216 Part No. 3-029-573-01 3-029-576-01 3-029-574-01 3-029-575-01 3-029-608-01 3-029-617-01 3-029-607-01 3-029-570-01 3-029-604-01 3-029-616-01 3-938-941-01 3-034-598-01 3-029-606-01 3-029-609-01 3-029-580-01 Description LEVER (HD) PINCH, ROLLER PINCH (R), CAP PINCH (L), CAP SPRING SCREW SPRING FRAME (HD) SPRING SCREW SCREW (A) SPRING, AZIMUTH SPRING SPRING LEVER (ST) Remark Ref. No. 217 218 219 220 221 222 223 224 225 226 227 228 * 229 * 230 Part No. 3-029-577-01 3-029-578-01 3-029-602-01 3-029-579-01 3-029-624-01 3-029-582-01 3-029-615-01 3-029-581-01 3-029-603-01 3-029-585-01 3-029-584-01 3-029-610-01 3-029-586-01 1-673-339-11 Description PLATE (D) REEL, CAP SPRING REEL, GEAR WASHER BRAKE, LEVER SCREW GUIDE (C) SPRING ARM(SW) ARM(CS) SPRING CHASSIS, MECHANISM HEAD RELAY BOARD Remark
3-029-614-01 SCREW
231 3-029-583-01 FRAME (A) HRPE1011-500-601-11 HEAD, REC/PB (RECORD/PLAYBACK/ERASE)
81
6-6. CD OPTICAL PICK-UP SECTION (KSM-213CCP)
253
254
not s upplied
252 256
255
(including M702) M702
251
M701
The components identified by mark ! or dotted line with mark ! are critical for safety. Replace only with part number specified. Ref. No. 251 252 253 ! 254 255 Part No. 2-626-908-01 2-627-003-02 2-626-907-02 8-848-483-05 X-2626-202-1 Description Remark Ref. No. 256 M701 Part No. Description Remark
SHAFT, SLED GEAR (B) (RP) GEAR (A) OPTICAL PICK-UP KSS-213C MOTOR SHASSIS ASSY (MB) (INCLUDING M702) (SPINDLE)
3-713-786-51 SCREW +P 2X3 X-2625-769-1 MOTOR GEAR ASSY (MB) (INCLUDING GEAR) (SLED)
82
6-7. SPEAKER (R-CH) SECTION
F501
311 312
not supplied
310
not supplied
313
T501
SP101 not supplied #14 #9 #9
#9
309
#9
#9
#15
#9 #9
306
#14 not supplied
308
not supplied
#15
307
#13
315 301
#12 not supplied #13 #13 #15
314 317
#10 #10
316
314
#4
318 302
not supplied
The components identified by mark ! or dotted line with mark ! are critical for safety. Replace only with part number specified. Remark Ref. No. * 312 * 313 * 314 315 ! 316 317 318 ! F501 SP101 ! T501 Part No. 1-676-255-11 3-042-179-01 3-042-178-01 1-792-188-11 1-791-929-11 3-042-186-01 3-042-181-01 1-532-505-11 1-529-581-11 Description POWER BOARD SPONGE, BACK BOARD FOOT, RUBBER CORD WITH CONNECTOR CORD, AC STOPPER, WIRE STOPPER, CORD FUSE,TIMELUG (T5AL/250V) SPEAKER (15W) (R-CH) Remark
303 305 304
#13
Ref. No. 301 302 * 303 * 304 * 305 * 306 307 308 * 309 310 311
Part No. 3-042-183-01 3-042-184-01 1-676-252-11 A-3322-397-A 3-042-177-01 1-676-254-11 X-3378-357-1 X-3378-358-1 3-042-180-01 3-042-174-01
Description CABINET (R), BOTTOM BOARD (R), BACK AMP IC BOARD AMP BOARD, COMPLETE HOLDER, PC BOARD SPEAKER BOARD SPEAKER GRILLE ASSY SUB PANEL (R) ASSY SPONGE, WOOD CABINET CABINET, WOOD
1-453-339-11 POWER TRANSFORMER
1-533-233-31 HOLDER, FUSE
83
6-8. SPEAKER (L-CH) SECTION (DR50L ONLY)
357 356
355
SP201 not supplied #14 #9
#9
#9
#9
#14
not supplied
354
#9
353 359
#13 not supplied
351 358
#10
#13
352
#10
Remark Ref. No. 356 * 357 * 358 359 SP201
358
Ref. No. 351 352 353 354 * 355
Part No. 3-042-252-01 3-042-194-01 X-3378-357-1 X-3378-359-1 3-042-180-01
Description CABINET (L), BOTTOM (DR50L) BOARD (L), BACK (DR50L) SPEAKER GRILLE ASSY (DR50L) SUBPANEL (L) ASSY (DR50L) SPONGE, WOOD CABINET (DR50L)
Part No. 3-042-174-01 3-042-179-01 3-042-178-01 3-042-181-01 1-529-581-11
Description CABINET, WOOD (DR50L) SPONGE, BACK BOARD (DR50L) FOOT, RUBBER (DR50L) STOPPER, CORD (DR50L) SPEAKER (15W) (L-CH) (DR50L)
Remark
84
6-9. SPEAKER (L-CH) SECTION (DR70L ONLY) 412
not supplied
411
F603
411 411
F602 not supplied T601 F601
413
409
SP201 not supplied #14 #9 #9 #9
410
#9
406
#14 not supplied
#9
#15 #9
408
#13
407 403 402
401
#13 #15
#12 not supplied #13
414
415
414
#10 #4 not supplied
417
405 404
#4 #12 not supplied not supplied
416
not supplied
The components identified by mark ! or dotted line with mark ! are critical for safety. Replace only with part number specified.
Ref. No. 401 402 * 403 * 404 * 405 * 406 407 408 * 409 410 411
Part No. 3-042-252-01 3-042-194-01 1-676-425-11 A-3322-400-A 3-042-177-01 1-676-251-11 X-3378-357-1 X-3378-359-1 3-042-180-01 3-042-191-01
Description
Remark
Ref. No. * 412 * 413 * 414 ! 415 416 * 417 ! F601 ! F602 ! F603 SP201 ! T601
Part No. 1-676-249-11 3-042-179-01 3-042-178-01 1-791-929-11 1-793-863-11 1-676-250-11 1-532-501-11 1-532-465-11 1-532-465-11
Description
Remark
CABINET (L), BOTTOM (DR70L) BOARD (L), BACK (DR70L) SP AMP IC BOARD (DR70L) SP MAIN BOARD, COMPLETE (DR70L) HOLDER, PC BOARD (DR70L) AC OUTLET BOARD (DR70L) SPEAKER GRILLE ASSY (DR70L) SUB PANEL (L) ASSY (DR70L) SPONGE, WOOD CABINET (DR70L) CABINET, WOOD (DR70L)
POWER TRANSFORMER BOARD (DR70L) SPONGE, BACK BOARD (DR70L) FOOT, RUBBER (DR70L) CORD, AC (DR70L) HOLDER, WIRE (DR70L) SP JACK BOARD (DR70L) FUSE,TIMELUG (T0.8AL/250V) (DR70L) FUSE,TIMELUG (T3.15AL/250V) (DR70L) FUSE,TIMELUG (T3.15AL/250V) (DR70L)
1-533-233-31 HOLDER, FUSE (DR70L)
1-529-581-11 SPEAKER (15W) (L-CH) (DR70L) 1-435-239-11 TRANSFORMER, POWER (DR70L)
85
6-10. SUPER WOOFER SECTION (DR70L ONLY)
#10
459
460
#9 #9
#10
460 458
461
not supplied
SP601
#8
456 457
#8 #9 #9
463
462
#15
#9 #15
454 455
451
P601
453 452
#10
452
#10
Ref. No. 451 * 452 453 * 454 455 456 * 457
Part No. 3-043-078-01 3-042-178-01 3-043-085-01 1-676-257-11 X-3378-361-1
Description CABINET (SWF) BOTTOM (DR70L) FOOT, RUBBER (DR70L) STOPPER, CORD (DR70L) LED BOARD (DR70L) KNOB ASSY, VOL (DR70L)
Remark
Ref. No. 458 459 460 461 462 463 P601 SP601
Part No.
Description
Remark
3-043-079-01 CHISSIS (SWF) SUB (DR70L) 3-043-077-01 CABINET (SWF) WOOD (DR70L) 3-043-084-01 SPONGE, WOOD CABINET (DR70L) 3-043-083-01 3-182-957-01 3-043-435-01 1-793-868-11 1-529-134-11 SPONGE, SPEAKER (DR70L) WASHER (DR70L) NUT (DR70L) PLUG (STEREO) (DR70L) SPEAKER (10cm) (WOOFER) (DR70L)
3-043-076-01 CABINET, FRONT (DR70L) 1-676-256-11 VOLUME BOARD (DR70L)
86
SECTION 7 ELECTRICAL PARTS LIST
NOTE : · Due to standardization, replacements in the parts list may be different from the parts specified in the diagrams or the components used on the set. · -XX, -X mean standardized parts, so they may have some difference from the original one. · RESISTORS All resistors are in ohms METAL : Metal-film resistor METAL OXIDE :Metal oxide-film resistor F : nonflammable · Items marked " * "are not stocked since they are seldom required for routine service. Some delay should be anticipated when ordering these items. Ref. No. * Part No. Description · SEMICONDUCTORS In each case, u : µ , for example : uA.... : µ A.... , uPA.... : µ PA.... uPB.... : µ PB.... , uPC.... : µ PC.... uPD.... : µ PD.... · CAPACITORS uF : µ F · COILS uH : µ H · Abbreviation IT : Italian SP : Singapore
AC OUTLET AMP AMP IC
The components identified by mark ! or dotted line with mark ! are critical for safety. Replace only with part number specified. When indicating parts by reference number, please include the board.
Remark
Ref. No. * CN511 * CN513 * CN514
Part No.
Description
Remark
1-676-251-11 AC OUTLET BOARD (DR70L) ****************
1-793-895-11 CONNECTOR (BASE, TOP) 2P 1-793-900-11 HOLDER, WIRE 7P 1-793-900-11 HOLDER, WIRE 7P < DIODE >
! JK605
1-794-077-11 AC OUTLET (AC230V -50Hz) D401 D402 D403 D404 8-719-031-35 8-719-031-35 8-719-982-15 8-719-921-40
************************************************************** * A-3322-397-A AMP BOARD, COMPLETE ******************** < CAPACITOR >
DIODE DIODE DIODE DIODE
RD3.9HS RD3.9HS MTZJ-27B MTZJ-4.7C
< TRANSISTOR > Q401 C181 C184 C185 C281 C284 C285 C381 C382 C385 C386 C387 C388 C401 C402 C403 C404 C405 C406 C407 C408 C409 C410 C411 C412 1-124-903-11 1-137-399-11 1-137-399-11 1-124-903-11 1-137-399-11 1-137-399-11 1-126-946-11 1-104-665-11 1-104-663-11 1-126-233-11 1-124-903-11 1-130-487-00 1-128-553-11 1-164-097-11 1-164-097-11 1-128-553-11 1-126-968-11 1-164-097-11 1-126-968-11 1-164-097-11 1-104-664-11 1-164-097-11 1-164-097-11 1-161-485-00 ELECT MYLAR MYLAR ELECT MYLAR MYLAR ELECT ELECT ELECT ELECT ELECT FLIM ELECT CERAMIC CERAMIC ELECT ELECT CERAMIC ELECT CERAMIC ELECT CERAMIC CERAMIC CERAMIC < CONNECTOR > < CONNECTOR > * CN504 * CN505 * CN510 1-793-898-11 CONNECTOR (BASE, TOP) 2P 1-793-899-11 CONNECTOR (BASE, TOP) 6P 1-793-901-11 CONNECTOR (BASE, TOP) 3P * CN514 1-793-865-11 CONNECTOR (WIRE HOLDER) (P2.5) 1uF 0.1uF 0.1uF 1uF 0.1uF 0.1uF 6800uF 100uF 33uF 22uF 1uF 0.022uF 220uF 0.022uF 0.022uF 220uF 100uF 0.022uF 100uF 0.022uF 47uF 0.022uF 0.022uF 0.1uF 20% 5% 5% 20% 5% 5% 20% 20% 20% 20% 20% 20% 50V 50V 50V 50V 50V 50V 25V 16V 16V 50V 50V 50V 63V 50V 50V 63V 50V 50V 50V 50V 16V < CAPACITOR > 50V C182 C282 1-164-085-11 CERAMIC 1-164-085-11 CERAMIC 0.001uF 0.001uF 10% 10% 50V 50V 8-729-232-32 TRANSISTOR 2SA965 < RESISTOR > R181 R182 ! R183 ! R184 R281 R282 ! R283 ! R284 R381 R383 1-249-427-11 1-249-431-11 1-249-385-11 1-249-385-11 1-249-427-11 1-249-431-11 1-249-385-11 1-249-385-11 1-247-847-11 1-249-417-11 CARBON CARBON CARBON CARBON CARBON CARBON CARBON CARBON CARBON CARBON 6.8K 15K 2.2 2.2 6.8K 15K 2.2 2.2 4.7K 1K 5% 5% 5% 5% 5% 5% 5% 5% 5% 5% 1/4W 1/4W 1/6W F 1/6W F 1/4W 1/4W 1/6W F 1/6W F 1/4W 1/4W
20% 20% 20%
! R401 1-212-881-11 FUSIBLE 100 5% 1/4W F ! R402 1-212-881-11 FUSIBLE 100 5% 1/4W F R403 1-249-417-11 CARBON 1K 5% 1/4W R404 1-247-807-11 CARBON 100 5% 1/4W R405 1-247-807-11 CARBON 100 5% 1/4W ************************************************************** * 1-676-252-11 AMP IC BOARD ************
20% 50V 50V
87
AMP IC
Ref. No.
ASP
Description < IC > Remark Ref. No. Part No. Description < IC > IC701 IC702 8-752-082-14 IC CXA1992BR 8-759-473-42 IC BA6898FP < COIL > L701 < CAPACITOR > < TRANSISTOR > 1-419-152-11 COIL, PEAKING Remark
Part No.
IC309 8-759-333-16 IC LA4705NA ************************************************************** * A-3322-390-A ASP BOARD, COMPLETE ********************
C701 C702 C703 C704 C705 C706 C707 C708 C709 C710 C711 C712 C713 C714 C715 C716 C717 C718 C719 C720 C721 C722 C723 C724 C725 C726 C727 C728 C729 C730 C731 C732 C733 C734 C735 C736 C737 C738 C739 C740 C741 C742 C743 C744 CA736
1-162-600-11 1-162-306-11 1-162-305-11 1-130-491-00 1-130-487-00 1-104-665-11 1-161-494-00 1-136-165-00 1-136-165-00 1-162-302-11 1-162-232-31 1-162-294-31 1-136-165-00 1-136-165-00 1-126-233-11 1-136-165-00 1-136-153-00 1-131-375-00 1-104-664-11 1-162-306-11 1-136-159-00 1-130-489-00 1-162-306-11 1-130-489-00 1-130-486-00 1-130-487-00 1-162-199-31 1-104-665-11 1-126-962-11 1-130-493-00 1-162-215-31 1-162-306-11 1-136-684-51 1-130-487-00 1-162-305-11 1-126-926-11 1-130-487-00 1-104-665-11 1-130-487-00 1-106-379-12 1-130-487-00 1-164-070-11 1-164-070-11 1-164-070-11 1-126-927-11
CERAMIC CERAMIC CERAMIC MYLAR FILM ELECT CERAMIC MYLAR MYLAR CERAMIC CERAMIC CERAMIC MYLAR MYLAR ELECT MYLAR FILM TANTALUM ELECT CERAMIC MYLAR MYLAR CERAMIC MYLAR MYLAR FILM CERAMIC ELECT ELECT MYLAR CERAMIC CERAMIC FILM FILM CERAMIC ELECT FILM ELECT FILM MYLAR FILM CERAMIC CERAMIC CERAMIC ELECT < CONNECTOR >
0.0047uF 0.01uF 0.0068uF 0.047uF 0.022uF 100uF 0.022uF 0.1uF 0.1uF 0.0022uF 10PF 0.001uF 0.1uF 0.1uF 22uF 0.1uF 0.01uF 4.7uF 47uF 0.01uF 0.033uF 0.033uF 0.01uF 0.033uF 0.018uF 0.022uF 10PF 100uF 3.3uF 0.068uF 47PF 0.01uF 0.0022uF 0.022uF 0.0068uF 1000uF 0.022uF 100uF 0.022uF 0.033uF 0.022uF 100PF 100PF 100PF 2200uF
20% 20% 20% 5% 5% 20% 5% 5% 20% 5% 10% 5% 5% 20% 5% 5% 10% 20% 20% 5% 5% 20% 5% 10% 5% 5% 20% 20% 5% 5% 20% 5% 5% 20% 20% 5% 20% 5% 5% 5% 5% 5% 5% 20%
16V 16V 16V 50V 50V 10V 25V 50V 50V 16V 50V 50V 50V 50V 50V 50V 50V 10V 10V 16V 50V 50V 16V 50V 50V 50V 5