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STR-K5
SERVICE MANUAL
Ver. 1.0 2006.03
E Model
· STR-K5 is the receiver section in HT-K5.
This receiver incorporates Dolby* Digital and Pro Logic Surround and the DTS** Digital Surround System. * Manufactured under license from Dolby Laboratories. "Dolby", "Pro Logic" and the double-D symbol are trademarks of Dolby Laboratories. ** "DTS" and "DTS Digital Surround" are registered trademarks of Digital Theater Systems, Inc.
SPECIFICATIONS
Amplifier section
Power Output1) Models of area code SP, E51 (6 ohms 1 kHz, THD 0.7%) 80 W/ch FRONT2): CENTER2): 80 W SURR2): 80 W/ch (6 ohms 1 kHz, THD 10%) 110 W/ch FRONT2): CENTER2): 110 W 110 W/ch SURR2): 1) Measured under the following conditions:
Area code Power requirements
FM tuner section
Tuning range Antenna Antenna terminals Intermediate frequency 87.5 - 108.0 MHz FM wire antenna 75 ohms, unbalanced 10.7 MHz
General
Power requirements
Area code Power requirements
SP, MY E51
230 - 240 V AC, 50/60 Hz 120/220/240 V AC, 50/60 Hz
AM tuner section
Tuning range Models of area code SP With 9-kHz tuning scale: Models of area code E51 With 10-kHz tuning scale: With 9-kHz tuning scale: Antenna Intermediate frequency
531 - 1,602 kHz 530 - 1,610 531 - 1,602 kHz3) Loop antenna 450 kHz kHz3)
Power consumption
Area code Power consumption
SP, MY, E51
165 W
SP, MY E51
230 V AC, 50 Hz 240 V AC, 50 Hz
2) Depending on the sound field settings and the source, there may be no sound output. Inputs (Analog) SA-CD/CD, DVD, VIDEO 1, 2 Inputs (Digital) DVD (Coaxial) SA-CD/CD (Optical) Output (Analog) SUB WOOFER Sensitivity: 800 mV Impedance: 50 k ohms Sensitivity: - Impedance: 75 ohms Sensitivity: - Impedance: -
3) You can change the AM tuning scale to 9 kHz or 10 kHz. After tuning in any AM station, turn off the receiver. While holding down TUNING +, press ?/1. All preset stations will be erased when you change the tuning scale. To reset the scale to 10 kHz (or 9 kHz), repeat the procedure.
Power consumption (during standby mode) 0.2 W Dimensions (w/h/d) (Approx.) 430 × 145 × 296 mm including projecting parts and controls Mass (Approx.) 7.0 kg Design and specifications are subject to change without notice.
· Abbreviation E51 : Chilean and Peruvian models MY : Malaysia model SP : Singapore model
Voltage: 2 V Impedance: 1 k ohm
Reproduction frequency range: 20 - 20,000 Hz
FM STEREO/FM-AM RECEIVER
9-887-119-01
2006C05-1 © 2006.03
Sony Corporation
Home Audio Division Published by Sony Techno Create Corporation
STR-K5
About area codes
TABLE OF CONTENTS 1. 2. GENERAL ................................................................... 3 DISASSEMBLY
4 4 5 5 6 6
The area code of the receiver you purchased is shown on the lower portion of the rear panel (see the illustration below).
R
L
CENTER S
R L FRONT
2-XXX-XXX-XX AA
Area code
2-1. 2-2. 2-3. 2-4.
Any differences in operation, according to the area code, are clearly indicated in the text, for example, "Models of area code AA only".
Disassembly Flow ........................................................... Case ................................................................................. Front Panel Assy .............................................................. KARAOKE Board/AC SELECT Board (Chilean and Peruvian Models) ....................................... 2-5. MAIN Section ................................................................. 2-6. DIGITAL Board/MAIN Board ........................................
3. 4.
4-1. 4-2. 4-3. 4-4. 4-5. 4-6. 4-7. 4-8. 4-9. 4-10. 4-11. 4-12. 4-13. 4-14. 4-15. 4-16. 4-17. 4-18. 4-19. 4-20. 4-21.
TEST MODE .............................................................. 7 DIAGRAMS
Block Diagram AUDIO INPUT Section ................... Block Diagram MAIN Section .................................. Block Diagram KARAOKE Section ......................... Block Diagram PANEL Section ................................ Block Diagram AUDIO OUT, POWER SUPPLY Section ................. Schematic Diagram MAIN Board (1/2) .................... Schematic Diagram MAIN Board (2/2) .................... Printed Wiring Board MAIN Board .......................... Schematic Diagram DIGITAL Board (1/3) ............... Schematic Diagram DIGITAL Board (2/3) ............... Schematic Diagram DIGITAL Board (3/3) ............... Printed Wiring Board DIGITAL Board (Component Side) .......................... Printed Wiring Board DIGITAL Board (Conductor Side) ............................ Printed Wiring Boards MIC Section ......................... Schematic Diagram MIC Section .............................. Printed Wiring Boards DISPLAY Section ................. Schematic Diagram DISPLAY Section ..................... Printed Wiring Board KARAOKE Board ................. Schematic Diagram KARAOKE Board .................... Printed Wiring Boards POWER SUPPLY Section .... Schematic Diagram POWER SUPPLY Section ........ 8 9 10 11 12 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29
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. UNLEADED SOLDER Boards requiring use of unleaded solder are printed with the leadfree mark (LF) indicating the solder contains no lead. (Caution: Some printed circuit boards may not come printed with the lead free mark due to their particular size) : LEAD FREE MARK Unleaded solder has the following characteristics. · Unleaded solder melts at a temperature about 40 °C higher than ordinary solder. Ordinary soldering irons can be used but the iron tip has to be applied to the solder joint for a slightly longer time. Soldering irons using a temperature regulator should be set to about 350 °C. Caution: The printed pattern (copper foil) may peel away if the heated tip is applied for too long, so be careful! · Strong viscosity Unleaded solder is more viscou-s (sticky, less prone to flow) than ordinary solder so use caution not to let solder bridges occur such as on IC pins, etc. · Usable with ordinary solder It is best to use only unleaded solder but unleaded solder may also be added to ordinary solder.
5.
5-1. 5-2. 5-3. 5-4.
EXPLODED VIEWS
Overall Section ................................................................ Front Panel Section ......................................................... Chassis Section ................................................................ MAIN Section ................................................................. 39 40 41 42
6.
ELECTRICAL PARTS LIST ................................ 43
SAFETY-RELATED COMPONENT WARNING!! COMPONENTS IDENTIFIED BY MARK 0 OR DOTTED LINE WITH MARK 0 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.
2
STR-K5 SECTION 1 GENERAL
Receiver
ALPHABETICAL ORDER
This section is extracted from instruction manual.
M-Z
MASTER VOLUME 9 MEMORY/ENTER qj MIC 1 (jack) wf MIC 2 (jack) wd MIC 1 Tone knobs LOW, MID, HIGH 2 MIC 2 Tone knobs LOW, MID, HIGH 3 MIC 1 VOL wg MIC 2 VOL ws MOVIE qf MUSIC qd
A-L
A.F.D. qg D.B.F.B. (button/indicator) 8 DISPLAY 5 Display 6 ECHO wh INPUT MODE q; INPUT SELECTOR qa IR (receptor) ql KARAOKE ON/OFF (button/ indicator) wj KEY CONTROL #/2 4
Music Tone knobs LOW, MID, HIGH 7 MUSIC VOLUME qs SCORE (button/indicator) wa TUNING -/+ qk VOCAL SELECT (button/ indicator) w;
NUMBERS AND SYMBOLS
2CH qh ?/1 (power) 1
1
2 3 4 5
6
7
8
9
wj
wh wg wf wd ws wa w; ql
qk
qj qh qg qf qd
qs
qa
q;
3
STR-K5 SECTION 2 DISASSEMBLY
· This set can be disassembled in the order shown below.
2-1. DISASSEMBLY FLOW
Note 1: The process described in can be performed in any order. Note 2: Without completing the process described in , the next process can not be performed. Note 3: Illustration of disassembly is omitted.
SET
2-2. CASE (Page 4)
2-3. FRONT PANEL ASSY (Page 5)
2-4. KARAOKE BOARD/AC SELECT BOARD (Chilean and Peruvian Models) (Page 5)
2-5. MAIN SECTION (Page 6)
2-6. DIGITAL BOARD/MAIN BOARD (Page 6)
Note: Follow the disassembly procedure in the numerical order given.
2-2. CASE
3 case 1 two screws (BVTP3 × 8)
2 two screws (case 3 TP2)
2 two screws (case 3 TP2)
4
STR-K5
2-3. FRONT PANEL ASSY
2 connector (CNP200)
1 harness
3 wire (flat type) (23 core) (CNS505)
4 five screws (BVTP3 × 8)
5 front panel assy
2-4. KARAOKE BOARD/AC SELECT BOARD (Chilean and Peruvian Models)
3 tuner (FM/AM) (TN1) 4 connector (CNP551) 1 wire (flat type) (11 core) (CNS508)
(Chilean and Peruvian models only) 8 two screws (BVTP3 × 8)
qa AC SELECT board
9 connector (CN905) q; connector (CN910)
5 wire (flat type) (7 core) (CNS553) 7 KARAOKE board 6 three screws (BVTP3 × 8)
2 three screws (BVTP3 × 8)
5
STR-K5
2-5. MAIN SECTION
2 connector (CNP901) 7 two screws (BV3) 0 main section 8 two screws (BV3) 9 screw (BV3)
1 connector (CNP801)
4 four screws (BVTP3 × 8) 5 three screws (BVTP3 × 8)
6 two screws (BVTP3 × 8)
3 screw (BVTP3 × 8)
2-6. DIGITAL BOARD/MAIN BOARD
1 connector (CNP503)
2 connector (CNP504)
4 DIGITAL board
3 two connectors (CNS502, CNS501)
5 MAIN board
6
STR-K5 SECTION 3 TEST MODE
FACTORY PRESET MODE
All preset contents are reset to the default setting. Procedure: 1. While pressing the [2CH] and [MOVIE] buttons, press the I/1 button to turn on the main power. 2. The message "FACTORY" appears and the present contents are reset to the default values.
SPEAKER SIZE SELECTION MODE
Either the normal speaker or micro satellite speaker can be selected. Procedure: 1. While depressing the [DISPLAY] and the [TUNING --] buttons simultaneously, press the I/1 button to turn on the main power. 2. Either the message "NORM. SP." or "MICRO SP." appears for a moment and select the desired speaker size.
FL CHECK MODE
All fluorescent segments are tested. When this test is activated, all segments turn on at the same time, then each segment turns on one after another. Procedure: 1. While pressing the [DISPLAY] and [A.F.D.] buttons, press the I/1 button to turn on the main power. 2. All segments and all LEDs turn on. 3. Press the [INPUT SELECTOR] button. 4. Half of segments and [KARAOKE ON/OFF], [SCORE] LEDs turn on. 5. Press the [INPUT SELECTOR] button once again. 6. Others half of segments and [VOCAL SELECT], [D.B.F.B.] LEDs turn on. 7. Press the [INPUT SELECTOR] button once again. 8. All segments and all LEDs turn off.
COMMAND MODE SELECTION MODE
The command mode (AV1 or AV2) of the remote commander can be selected. Procedure: 1. While depressing the [TUNING --] button, press the I/1 button to turn on the main power. 2. Either the message "C.MODE.AV 1" or "C.MODE.AV 2" appears for a moment and select the desired mode.
VERSION MODE
When this mode is used, the model, the destination and the software version number are displayed. Procedure: 1. While pressing the [DISPLAY] and [TUNING +] buttons, press the I/1 button to turn on the main power. 2. The model, the destination and the software version number appear.
KEY CHECK MODE
This mode is used to check the key. Procedure: 1. While pressing the [DISPLAY] and [2CH] buttons, press the I/1 button to turn on the main power. 2. The message "REST 15" appears. 3. Every pressing of any button other than the I/1 button counts down the buttons. The buttons which are already counted once are not counted again. 4. When all buttons are pressed, the message "REST 00" appears.
SOUND FIELD CLEAR MODE
The preset sound field is cleared when this mode is activated. Use this mode before returning the product to clients upon completion of repair. Procedure: 1. While pressing the [2CH] button, press the I/1 button to turn on the main power. 2. The message "SF. CLR." appears and initialization is performed.
STR-K5
7
7
STR-K5 SECTION 4 DIAGRAMS
4-1. BLOCK DIAGRAM AUDIO INPUT Section
VIDEO 2 AUDIO IN L R VIDEO 1 AUDIO IN L R J401 SA-CD/CD AUDIO IN L R DVD AUDIO IN L R J402 DIR FUNCTION SELECT IC400 26 DVDD +7V
+3.3V
+3.3V REGULATOR Q471
+7V
27 AVCC
TN1 FM/AM TUNER UNIT L-CH FM 75 COAXIAL
7 6 9 8 3 2 5 4
SEL SW
13 10 R-CH 14
L-IN R-IN
A
(Page 9)
ANTENNA AM
R-CH STEREO TUNED MUTING CE DO DATA CLOCK
R-CH 76 STEREO 75 TUNED 78 MUTE 74 SLATCH 73 DO 17 TUNER DATA 16 T.SERIAL CLK 24 25 L SEL R-CH VOL DATA 32 VOL CLK 31 SYSTEM CONTROLLER IC1101 (1/5) MCU I/F SL SEL R-CH 40 41 SL-CH SR-CH 49 48 L-CH R-CH
TU+10V
C
(Page 12)
C SEL
33
C-CH
SW SEL
32
SB-CH
21
20
19
16
SW OUT
· Signal path : TUNER (FM/AM) : VIDEO (AUDIO) : CD (ANALOG) · R-ch is omitted due to same as L-ch.
(Page 9)
B D
C OUT SL OUT
(Page 10)
L OUT
STR-K5
8
8
STR-K5
4-2. BLOCK DIAGRAM MAIN Section
A/D CONVERTER IC1401 L IN R IN MOD. DSP IC1501 D/A CONVERTER IC1452 VOUT5 DIGITAL DECIM. FILTER DOUT 15 18 SDI1 30 SDI2 SD01 23 SD02 24 SD03 25 DATA3 47 DAC VOUT6 AMP IC1403 10 9 R-CH AMP IC1405 VOUT1 45 DIGITAL AUDIO I/F RECEIVER IC1301 IC1303 DIGITAL COAXIAL DVD IN J1301 3 WAVE SHAPER 2 5 DIN2 SCKOUT 14 20 LRCKO 19 VOUT3 AUDIO 24 CKOUT 13 BCK 14 LRCK 15 DATAO 16 BCKO 20 69 GP8 22 KFSI0 29 BCKI2 28 LRCKI2 CSO 44 WEO 45 OEO 43 6 CS 17 WE 41 OE MCLK2 12 MCLK1 9 46 X1502 13.9MHz SDRAM IC1502 DATA2 DAC VOUT4 11 5 7 SW OUT 12 3 1 C OUT DATA1 DAC VOUT2 14 13 R-CH AMP IC1404 5 7 SL OUT 2 1 L OUT
L-IN
1 5
(Page 8)
A
E
(Page 10)
R-IN
16 14 13
SYSCLK BCK LRCK
B
(Page 8)
INPUT
DATA DEMODULATOR
XMCK
15 LRCKI1 OPTICAL RECEIVER IC1352 OUT 1 3 DIN0 D1301 Pa,Pb DETECTION C bit DETECTION LOCK DETECTION ERROR 34 17 BCKI1 59 EXLOCK
D0-15 108,107,105 -102,99, 98,80 - 77,75 - 72
29 - 32,35 - 38, 16-13,10 - 7 D0-15
DIGITAL OPTICAL SA-CD/CD IN
38 SCKI 40 BCK 41 LRCK
CKSEL1
XSTATE
+1.8V
22 XIN
VDDI +3.3V VDDE
38 VDD +3.3V
37
36
35
47
17
48
SWITCH IC1503 37 GP12 BST 56 5 6 2 1 LRCKO
24 - 27,42 - 44, 1 - 5,18 - 21 A0-15
XMODE
X1301 12.288MHz
A0-15 112,110,109,97 - 92, 85-82,66 - 64
21 XOUT
33 34 35 36 37
CLK
DO
CE
DI
MDO MDI MC ML RST
MICROPROCESSOR I/F
68
36 32 2 113 35 33 34
· Signal path : TUNER (FM/AM) : VIDEO (AUDIO) : CD (DIGITAL) · R-ch is omitted due to same as L-ch.
15 14 13 12 10
95
96
97
98
94 100
93
1 99
8
2
HCS HACN XRST PM HDOUT HDIN HCLK
4 5 6 7 18 19 20
GP9
92
3
PCM1602 MDO
SYSTEM CONTROLLER IC1101 (2/5)
STR-K5
9
9
PCM1602 MDI PCM1602 MC PCM1602 ML PCM1602 RST
XMODE
DATAO ERROR
HCS HACN XRST PM HDOUT HDIN HCLK
GP12
CLK
CKSEL1
XSTATE
GP9
BST_SEL
BST
CE
DI
DO
STR-K5
4-3. BLOCK DIAGRAM KARAOKE Section
IC2120 ECHO CONTROL MIC 1 AMP IC2001
J2000 MIC 1
TONE CONTROL IC2000
RV2000 MIC 1 VOL
MIC AMP IC2003
2
3
9
10 5
MIX AMP IC2350 (1/2)
J400
7
-1 -2
L R
5
1
RV2003 HIGH RV2002 (MIC 1 TONE) MID
14
TONE
12
5
7
MIC AMP IC2004
RV2109 ECHO
KARAOKE
MIC OUTPUT
16 18 20
RV2050 MIC 2 VOL
5
7
3
1
KARAOKE
MIC 2 AMP IC2002
J2050 MIC 2
RV2001 LOW
5
1
RV2053 HIGH RV2052 (MIC 2 TONE) MID RV2051 LOW
7
TONE
9
3
1 MIX AMP IC2350 (2/2) R-CH 3 1 L+R CN2506 3 D-LIGHT SYNC OUTPUT +9V +4V REGULATOR Q2350 D+4V 4
5 3 1
KARAOKE CONTROL IC2300 TONE CONTROL IC2100 MIC IN LOUT 7 75 L IN SEL PHASE SHIFTER EQ ROUT 63 3 1 R-CH 64 5 BUFFER AMP IC2351 7 L OUT
AF AMP IC2101
AF AMP IC2102 12 5
77
D
(Page 8)
(Page 9)
E
L OUT
5
7
RV2103 HIGH RV2102 MID RV2101 LOW
14
TONE
16 18 20
R-CH
74
R IN
KARAOKE (MUSIC TONE)
SRAM
LOGIC
SRAM
RELAY DRIVER Q2000 RY2000
INTERFACE
36
34
33
· Signal path : TUNER (FM/AM) · R-ch is omitted due to same as L-ch.
INVERTER IC2301
3
6
8 +K5V
REQ DATA
35 32
STB
CLK
WR
IC2303 +5V 3 1 REGULATOR 3
IC2302 +9V 1 REGULATOR +15V
1
4
10
+9V
88
90
89
34 33
87
K-OK REQ K-OK DATA
K-OK R/W
K-OK STB
K-OK CLK
SYSTEM CONTROLLER IC1101 (3/5)
STR-K5
10
10
K-OK RY
STR-K5
4-4. BLOCK DIAGRAM PANEL Section
FL DISPLAY/LED DRIVER IC100
SYSTEM CONTROLLER IC1101 (4/5) BUFFER IC101 FL LAT 57 FL DATA 59 FL CLK 60 9 4 2 8 6 3
P1 I P16 9 STB 7 DIN 8 CLK SW1 SW2 SW3 SW4
14 I 29
1G 42 I I 12G 31
FL101 FLUORESCENT INDICATOR TUBE
F1 F2
X1101 24MHz EEPROM IC1131 SDA 5 SCL 6
83 X1 82 X0
1 2 3 4
D101-104
29 SDA 30 SCL SIRCS 54 SIRCS 1 OUT
REMOTE CONTROL RECEIVER IC102
CNS504 SDA 9 SCL 8 FLASH1 1 FLASH2 FLASH 2 PROGRAMMING MD2 7 MD0 6 RESET 5
28 27 51 49
FLASH1 FLASH2 MD2 MD0
VOL_ENC(A) 47 VOL_ENC(B) 46
1 3
RV102 MASTER VOLUME
INPUT ENC(A) 63 INPUT ENC(B) 64
1 3
RV100 INPUT SELECTOR
+3.3V (STBY) 2 IC1111 RESET 1 77 RSTX
MUSIC ENC (A) 85 MUSIC ENC (B) 86
1 3
RV103 MUSIC VOLUME KARAOKE
A/D0 38
SW NETWORK S101-106 SW NETWORK S111-115 SW NETWORK S121-124
A/D1 39 S100 I/ I 56 POWER_KEY
A/D2 40
STR-K5
11
11
STR-K5
4-5. BLOCK DIAGRAM AUDIO OUT, POWER SUPPLY Section
PRE DRIVER IC501 IN 2 PRE DRIVE +VOUT2 12 -VOUT2 11 TM600 (1/2) POWER AMP Q501-504 CURRENT DETECT Q505,506 R-CH PRE DRIVER IC601 IN 2 PRE DRIVE +VOUT2 12 -VOUT2 11 R-CH TM601 POWER AMP Q601-604 CURRENT DETECT Q605,606 R-CH +VOUT2 12 -VOUT2 11 R-CH POWER AMP Q701-704 CURRENT DETECT Q705,706 OVERLOAD DETECT D702,Q707 CENTER RY701 RELAY DRIVER Q708 OVERLOAD DETECT D602,Q607 R-CH RY601 RELAY DRIVER Q608 SURROUND R-CH R SPEAKERS L OVERLOAD DETECT D502,Q507 R-CH RELAY DRIVER Q508
L-CH R-CH R-CH
8
DRIVE
L RY501 R-CH R FRONT
-40V +BV
SL-CH
8
DRIVE
(Page 8)
C
SR-CH
R-CH -40V +BV PRE DRIVER IC701 IN 2 PRE DRIVE
C-CH
8
DRIVE
· Signal path : TUNER (FM/AM) · R-ch is omitted due to same as L-ch.
-40V +BV SB-CH
TM600 (2/2) J403 AUDIO OUT RY702 SUB WOOFER
FRONT RY
PROTECTOR 61 D1111 D1110
+B -B FRONT RY 69 FRONT RY 40V B-SWITCH Q851,852 -20V -20V REGULATOR Q801 IC1902 C/SW RY D1107 IC850 OVERLOAD 2 7 DETECT AMP SURROUND RY 71 SURR RY +7V 1 IC821 +7V 3 REGULATOR -7V 2 REGULATOR IC822 IC1031 3 IC1901 +1.8V +3.3V 5 +3.3V/+1.8V 4 2 REGULATOR +5V 1 REGULATOR -16V +16V TU+10V 3 +9V 1 REGULATOR
SURR RY C/SW RY
PROTECTOR D882,883 Q881-883
RELAY DRIVER Q560
T901 POWER TRANSFORMER (MAIN)
RECT D811
C/SW RELAY 70
R810 RECT D920-923
-7V SYSTEM CONTROLLER IC1101 (5/5) +A5V +5V 3
3 IC1001 +5V 1 REGULATOR
R812 R910 RECT D804-807
F1 F2 -20V D802 RY901 RELAY DRIVER Q901 D1001 RECT D910-913 F901
POWER RY 58
T902 POWER TRANSFORMER (SUB)
IC1904 +3.3V (STBY) +5.6V (STBY) STOP 48 +3.3V 3 1 REGULATOR
(Singapore and Malaysia models)
(AC IN ~)
AC IN DETECT Q911
D914
D915
VOLTAGE SELECTOR S901
(Chilean and Peruvian models)
STR-K5
12
12
STR-K5
· Note for Printed Wiring Boards and Schematic Diagrams
Note on Printed Wiring Board: · X : parts extracted from the component side. · Y : parts extracted from the conductor side. f · : internal component. · : Pattern from the side which enables seeing. (The other layers' patterns are not indicated.) Caution: Pattern face side: (Conductor Side) Parts face side: (Component Side) Note on Schematic Diagram: · All capacitors are in µF unless otherwise noted. (p: pF) 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. · f : internal component. · 2 : nonflammable resistor. · 5 : fusible resistor. · C : panel designation. Note: The components identified by mark 0 or dotted line with mark 0 are critical for safety. Replace only with part number specified. · A : B+ Line. · B : B Line. · Voltages and waveforms are dc with respect to ground under no-signal (detuned) conditions. no mark : TUNER (FM/AM) : Impossible resistor. · 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 : TUNER (FM/AM) L : VIDEO (AUDIO) J : CD (ANALOG) c : CD (DIGITAL) · Abbreviation E51 : Chilean and Peruvian models MY : Malaysia model SP : Singapore model
· Circuit Boards Location
(E51) AC SELECT board STANDBY board MAIN board MIC TONE board KARAOKE board
Parts on the pattern face side seen from the pattern face are indicated. Parts on the parts face side seen from the parts face are indicated.
· Indication of transistor
C Q B E These are omitted.
DIGITAL board MIC AMP board
Q B C E These are omitted.
DISPLAY board VOLUME board
· Abbreviation E51 : Chilean and Peruvian models
STR-K5
13
13
STR-K5
4-6. SCHEMATIC DIAGRAM MAIN Board (1/2)
· See page 30 for IC Block Diagrams.
(1/2)
50V 50V
C441 JW
C442 JW
C431 2.2
C432 2.2
C421 4.7 50V
C422 4.7 50V
C424 4.7 50V
R411 JW 1 2 R412 JW
J401 4P L VIDEO 1 AUDIO IN R
R401 1k
R451 1k C434 2.2 R402 1k 50V
C444 J W C443 J W
R414 JW 3
L VIDEO 2 AUDIO IN R R452 1k
4 C433 2.2 C423 4.7 50V 50V R413 JW
(Page 15)
DIR FUNCTION SELECT IC400 M61542FP J402 4P L C445 J W DVD AUDIO IN R R453 1k C483 220 16V C446 4.7 C436 2.2 C426 4.7 C484 0.1 50V 6 50V 50V D802 HZ6.8BP-TK Q801 2SB734 -20V REGULATOR D811 D5SBA20 RECT R803 4.7 R403 1k
C425 4.7 C435 2.2
50V 50V R415 JW 5
L SA-CD/CD AUDIO IN
R404 1k R454 1k
C402 10 50V
C452 10 50V
R
R416 1k
C807 47 35V
Q471 2SD2144S-TP +3.3V
R407 100 R406 100
R472 1k R471 680
R806 22k
C806 47 35V C808 47 35V D801 HZS20-1LTA
R804 10k
C813 4700 63V
C811 0.1
CNP901 3P
(CHASSIS) TP1 BOARD IN WIRE RETURN
TUNER L TUNER R
C403 220p C404 220p
REGULATOR
C814 4700 63V
C812 0.1
(Page 29)
SW-CH
DATA
AD R
AD L
CLK
SR
SW
C472 C481 0.1 10 50V
C482 0.1
R473 2.2k
C471 100 10V
D804-807 RECT
D805 10EDB40-TA2B5 D804 10EDB40-TA2B5
R910 0.33 1/2W C801 0.22
CNP902 5P
SL
(CHASSIS)
C400 0.1 R783 47k R469 1k
J403 1P SUB WOOFER AUDIO OUT
C
RY702 12V
C803 3300 16V
D806 10EDB40-TA2B5 D807 10EDB40-TA2B5
C802 0.22
(Page 29)
CN503 10P
TP2 BOARD IN WIRE CN551 9P R780 4.7k D752 1SS133T
ONE POINT PROT
PROTECTOR
ROUT
Q560 2SC1740S RELAY DRIVER FRONT RY C/SW RY SURR RY
(Page 18)
FRONT RY C/SW RY SURR RY NOT USED VACS_DET NOT USED
F2
GND LOUT +R2 RIN R2 GND
R802 220
(Page 18)
(Page 27)
LIN -7V +7V
-7V +7V
F1 -20V
CNP501 15P
TUNER L OUT
TUNER L
CN504 3P
+7V
GND
TUNER R OUT
TUNER R AD L
FL_GND DSP_GND
L IN GND R IN
R OUT
AD R +7V REGULATOR IC821 TA7807S +7V SW C823 47 25V
CNP916 5P
(Page 18)
GND +16V GND -16V
-7V L OUT
O G I C821 0.1
(Page 19)
SW OUT MAIN AGND
C OUT
GND
C SL C824 47 25V -7V C822 0.1 O G I 7 8 CNP502 10P IC822 TA79007S 9 10 11 -7V REGULATOR 12 13 14 15
(Page 29)
SL OUT
+7V
SR OUT
SR
D821 AK04V1
DIGITAL GND
VOL_IC_DATA_LATCH VOL_CLK
DATA CLK
(Page 15)
(Page 18)
STR-K5
14
14
STR-K5
4-7. SCHEMATIC DIAGRAM MAIN Board (2/2)
· See page 30 for IC Block Diagrams.
(2/2)
PRE DRIVER IC501 µPC2581V-5 +V L
Q501-504 POWER AMP
R508 100
C511 47p 500V
R511 4.7k
C513 220p
Q505,506 CURRENT DETECT
Q507 OVERLOAD DETECT Q507 2SC1815 R518 22k
C553 100p
Q501 2SA1115 NF L
R505 2.2k
R506 82k
Q503 MN2488 R510 0.22X2 5W
Q505 2SA1038S
R515 22k
C514 0.01
D502 1SS133T
R519 22k C515 10 50V RY501 12V L-CH
R513 1.5k R512 6.2k
1
L-CH C502 100p C551 4.7 50V C552 100p R502 68k R552 68k C554 33p 500V C503 100p
C504 33p 500V
+V L -V L +V R
C508 47 25V -V L
Q502 2SC3623
C501 4.7 50V
R501 1k
R514 15k
D501 1SS133T
R516 3.3k
R517 15k
R507 560
Q504 MP1620 Q506 2SA1038S C516 0.022 R522 47k
L501
R-CH D580 1SS133T
NF R C556 3p 500V R554 68k R553 2.7k C557 100 10V R503 2.7k C507 100 10V -V R Q551-554 POWER AMP R559 100 C506 3p 500V R504 68k NF L R509 100 R520 68k R521 10
R580 10k
C580 0.01
R523 4.7
2
R-CH R551 1k R500 22k
-V R
C512 47p 500V
R524 82 TM600
R581 100k R570 68k R571 10 R572 47k L551 R589 100k
D503 1SS133T Q508 2SC1740S RELAY DRIVER D590 1SS133T R525 2.2k R R FRONT RY L L FRONT
C500 2.2 100V
C562 47p 500V
R590 10k
C591 0.01
R573 4.7
3 4 C558 47 25V PRE DRIVER IC601 µPC2581V-5 Q551 2SA1115 NF R
Q552 2SC3623
R557 560
Q554 MP1620 R560 0.22X2 5W
Q556 2SA1038S
C566 0.022
(Page 14)
R562 6.2k R563 1.5k
R564 15k
D551 1SS133T
R566 3.3k
R567 15k
C565 10 50V D552 1SS133T
Q557 2SC1815
CENTER
100p
+V R
R555 2.2k
R556 82k
Q553 MN2488
Q555 2SA1038S Q555,556
R565 22k
C564 0.01
SPEAKERS R569 22k
Q557 OVERLOAD DETECT R568 22k
C653
R601 C601 4.7 50V 1k 5 SL-CH C602 100p 6 C652 C651 4.7 50V 100p SR-CH R651 1k R600 22k R654 68k R652 68k R602 68k C654 33p 500V
R558 100 C604 33p 500V +V SL -V SL +V SR NF SR Q601-604 POWER AMP +V SL NF SL R605 2.2k R606 82k R608 100
C561 47p 500V
R561 4.7k
C563 220p
CURRENT DETECT
RY601 12V SL-CH
TM601
L
L
C603 100p
C611 47p 500V
R611 C613 4.7k 220p
R618 22k Q605,606 CURRENT DETECT Q607 OVERLOAD DETECT R615 C614 22k 0.01 D602 1SS133T C615 10 50V Q607 2SC1815 R624 82
SR-CH SURROUND
C656 3p 500V
C606 3p 500V R604 68k R653 2.7k R603 2.7k C607 100 10V
R
R
R619 22k
-V SR
Q601 2SA1115 NF SL
Q603 MN2488 R610 0.22X2 5W R612 6.2k R613 1.5k
Q605 2SA1038S
D603 1SS133T Q608 2SC1740S RELAY DRIVER SURR RY R625 2.2k L601
C608 47 25V -V SL
Q602 2SC3623
C600 2.2 100V
C657 100 10V
R614 15k
D601 1SS133T
R616 3.3k
R617 15k
R607 560
Q604 MP1620
Q606 2SA1038S
C616 0.022 R621 10
R622 47k
PRE DRIVER IC701 µPC2581V-5
R609 100
R623 4.7
C612 47p 500V C662 47p 500V
R620 68k
RY701 12V C-CH
R670 68k R671 10
R700 22k -V SR R701 1k C-CH C701 4.7 50V C702 100p R702 68k R752 JW R703 2.7k JW753 56k C707 100 10V R704 68k C703 100p C704 33p 500V C700 2.2 100V +V C -V C C706 3p 500V C658 47 25V NF SR NF C
Q651-654 POWER AMP
R659 100
R673 4.7 R672 47k
R724 82
Q652 2SC3623
R657 560
Q654 MP1620 R660 0.22X2 5W
Q656 2SA1038S
C666 0.022
L651
D703 1SS133T Q708 2SC1740S RELAY DRIVER R725 2.2k C/SW RY
R662 6.2k R663 1.5k
R664 15k
D651 1SS133T
R666 3.3k
R667 15k
C665 10 50V
Q657 2SC1815
Q651 2SA1115 +V SR R655 2.2k
R656 82k
Q653 MN2488
Q655 2SA1038S
R665 22k
D652 C664 0.01 1SS133T R669 22k
Q655,656 R658 100 C661 47p 500V R661 4.7k C663 220p CURRENT DETECT
Q657 OVERLOAD DETECT R668 22k R840 6.8k R844 22k
R858 270 2W
R859 220 2W
R816 1
C816 10 100V
C815 R815 10 1 100V +V C
Q701-704 POWER AMP
R708 100
C711 47p 500V
R711 4.7k
C713 220p
Q705,706 CURRENT DETECT
Q707 OVERLOAD DETECT
R718 22k Q707 2SC1815
Q851 2SC1815 B- SWITCH OVERLOAD DETECT AMP IC850 NJM4565D VCC R857 10k D852 JW
Q701 2SA1115 R856 470k NF C
R705 2.2k
R706 82k
R719 22k C842 47 25V
D841 MTZJ-T-72-3.0B
Q881-883 PROTECTOR C881 220 16V
Q703 MN2488 R710 0.22X2 5W R712 6.2k R713 1.5k
Q705 2SA1038S
R715 22k
C714 0.01
D702 1SS133T
R714 15k
D701 1SS133T
R716 3.3k
R717 15k
C715 10 50V
R881 47k
D881 1SS133T
R851 10k
R854 33k
C708 47 25V -V C
Q702 2SC3623
R707 560
Q704 MP1620 Q706 2SA1038S C716 0.022
Q882 2SC1740S R722 47k L701 R585 10k C585 0.01 D585 1SS133T R723 4.7 Q881 2SA1038S R882 10k D882 1SS133T D883 1SS133T R883 6.8k Q883 2SC1841 C882 10 50V PROT
R855 220k VEE C851 0.1 R852 10k R853 10k
Q852 DTA124ESA-TP B- SWITCH
R709 100
C712 47p 500V
R721 10 R720 68k R586 100k
D851 1SS133T
R884 39k
R885 1k
7 8 9 10 11 12
(Page 14)
13 14 15
STR-K5
15
15
STR-K5
4-8. PRINTED WIRING BOARD MAIN Board · See page 13 for Circuit Boards Location.
: Uses unleaded solder.
1 A
2
3
(Page 26)
KARAOKE BOARD CNP551
4
J402 SA-CD/CD AUDIO IN L R
(CHASSIS)
5
J401 DVD AUDIO IN VIDEO 2 AUDIO IN VIDEO 1 AUDIO IN
6
J403 SUB WOOFER
7
8
9
10
11
SPEAKERS TM601
12
13
14
TM600 CENTER L R + + + FRONT L +
AUDIO OUT R
SURROUND
F
GRY GRY GRY GRY RED GRY GRY GRY RED
(CHASSIS)
(CHASSIS)
-
+
-
(Page 28)
RY702
JW430 JW801 JW805 JW800
JW457
B
C402 C452
9
CN551 JW810 JW809
1
R454
JW495
JW419
JW459
JW456
T901 POWER TRANSFORMER (MAIN)
JW519
R453
R402
R451
R452
R401
R469
R404
R403
R783
R780
Q560
C400
JW536
RY701
BLK
D752
JW506 JW560
JW502
JW458 JWH03 JWH04
H
JW518
ORG RED BLK
E
C821
C432
JW479
C421
C823
JW804 JW806 JW807 C483 JW409
C484
C824
D821
C822
JW350 JW803
JW478
JW451 1 2 3
R802
R723
RY601
JWH
16
IC821
JW461 JW462
CNP901 C803
L701
JW498
JW474
R623
JW435 JW423
JW501
JW475
R411 JW739
C434
14 15 28
C472
43 42 29
R412
C444 C423 C443
JW529
JW780 JW781
C442
R725
JW473
JW771
1
JW436
56
C431
R414 R413
IC822
Q708
D811
C
DIGITAL BOARD CNS501
IC400
C441
3 2 1
RY501
C422
D603 R624 R673
C812
C811
D703 R724 E
C424
C8 13
C814
JW808
C652 R652
L601 L651
Q608
C433
C602 R602
GRY
CNP501
JW440
C601 C651
C657
C551
C607
A
JW505
D503
L5
C445
C507
JW650 R651 C653 R653
R601
R853
C851
R501
R502 C502 JW550 C552 R552 R551 R553
JW412
C604
CNP916
C557
Q471
E
R473 R471 R472
JWH12
C436
JW439
JW760
JW535
JW537
Q852
D851
JW815
JW318
R416
JW319
D802 B C E Q801
C504
R504 C503
C554
C707
JW317
C553
R554
JW706 JW707 JW628 JW630 JW736
JW460
JW750
R600 JW471
JW753
Q851
R856
C603
JW735 R604
JW612 JW613 JW611
CN503 JW819
R703
JWH05
Q881
C701
R585
R881
Q882
C606
IC701
1 2 C700
R700
JW610 JW755
JW477 JW476
R851
JW526
R702
C702
R752
C500
R857
C881
E R885
JW525
C591
R882 D590 E
JW716 R884 D882
1 E
R804
C471
D852
D801 JW463
R806
C806
IC601
R654
IC501
C656 JW614
R415
C600
R500
R852
R589
JW520
14
2
2
JW
R581
D580
JW309
5
8
JW763
R407
H0
JW534
15
1
15 14
1
8
JW524
R854
C446
JWH02 JW438
C403
JWH01
D
C404
C435 C481
C426 R503
R603
C654
IC850
4 1 E
JW818
R406
C482
JW820 R625 R525
(Page 21)
C425
R524
R523
JW527
JW528 R855
Q508
E
GRY
RED
E
JW784 JW783 R580 R590
CNP901
BLK R573
JW570 JW813 CN504 JW821 1
D805 D807 D806 D804 C802 C801
E
DIGITAL BOARD CNP505
(Page 21)
CN504
C501
01
C580
L551
G
C808
STANDBY BOARD CNP906
5
(Page 28)
CNP902 BLU 1
C842
JW713
R701
15 14
C704 C703 R704
C556
JW572
C807
C506 JWH19
JW491 JW490
D585
JWH09
R858
1
CNP902
I
JW322
R816
R859
C816
JW492
JW470
GRY RED YEL 5 GRN
T901 POWER TRANSFORMER (MAIN)
JW467
C882
Q883
R883
D881
JW717
JW720 JW722
JW615
JW453 JW455
CNP502
JW452
JW469 JW468
C815
JW703
R520
D502
R518
C514
R519
JW
R521 R517
R618
R619
JW422
R511 C513 R514 R513
JW540
Q501
R516
Q507
C616
C566
JW817
C716
D551
C615
Q556
R615 C614 R617 R614 D602
Q601
Q607
R616
R722
Q706
JW445
Q505
R717
R716
R711
R562
R508
R712
R611
C713
C612
R558
Q707 R708 C711
R662
R559
C613
R506 E E B C Q704 E B C Q503 E Q502 B C Q504 E B C Q603
R606 E E Q602 B C Q604 E
R555
R556 E
R656 E B C Q554 E B C Q653 E Q652 B
JWB01
JW601
R707 R705 R706
R709
C511
C712
R507 R505
R509
R608
R609
C611
R612
R657
R605
C561
C512
R557
R658 R655
C662
C663
R661
E
JW602
R607
Q605
JW569
JW620 C562
JWB02
Q651
R659
F
D702
C661
R512
C715
R710 C708
Q705 E
R510
R610 JW504
Q555
JW507
C608
C558 E
R560 JW816
R561
C563
Q701 JW496 R715
D701
JWH18 C508
C516
R613
R714 R713
Q506
E
D601
R721
E
R564 R563
C714
R720
Q656
D651
R664 R663
E
R671 C658 JW568 E
Q655
E
E
R515
D501
R621 E
C666 E
JW558
10
E
E
R571 R815
R665
R719
JW441 JW480
E
C515
Q606 R622
JW503
(Page 21)
R718
C706
R586
R522
R572 R565 C564 R567 D552
R620
R668 R669
Q557
R670
E
JW559
R667
DIGITAL BOARD CNS502
JW636 JW637
JW
1
JW454
H1
JW
R569
R568
H1
JW582 JW578 JW581
C565
3
R672 JW757
C585
R566
R570
E
D652
10 C664 R666
JW704
R844
R840
0
R803
1
JW701
C665 D883
E
B
H1
Q657
D841
5
R910
E
(Page 28)
JWB03 E
CN503 E E 1 RED GRY GRY R660 4 GRY
C
DIGITAL BOARD CNP503
Q551 E
(Page 21)
6
RED GRY GRY GRY
D
DIGITAL BOARD CNP504
(Page 21)
B
C Q703
E
Q702
B
C Q553
E
Q552
C Q654
E
1-868-725-
11 10 (12)
GRY
G
· Semiconductor Location
Ref. No. Location D501 D502 D503 D551 D552 D580 D585 D590 D601 D602 D603 D651 D652 D701 D702 D703 D752 F-6 E-5 D-9 F-10 E-9 D-10 E-8 E-10 F-9 F-9 C-8 F-12 E-10 F-2 F-2 C-8 B-7 Ref. No. Location D801 D802 D804 D805 D806 D807 D811 D821 D841 D851 D881 D882 D883 IC400 IC501 IC601 D-12 E-12 C-13 C-13 C-13 C-13 C-12 C-6 E-11 D-8 E-11 E-10 E-10 C-3 D-5 D-7 Ref. No. Location IC701 IC821 IC822 IC850 Q471 Q501 Q502 Q503 Q504 Q505 Q506 Q507 Q508 Q551 Q552 Q553 E-3 C-6 C-6 D-8 D-3 F-5 G-6 G-6 G-7 F-7 F-6 F-6 D-9 F-9 G-9 G-9 Ref. No. Location Q554 Q555 Q556 Q557 Q560 Q601 Q602 Q603 Q604 Q605 Q606 Q607 Q608 Q651 Q652 Q653 Q654 G-10 F-10 F-10 E-9 B-7 F-7 G-8 G-7 G-8 F-9 F-8 F-8 D-9 F-11 G-11 G-11 G-11 Ref. No. Location Q655 Q656 Q657 Q701 Q702 Q703 Q704 Q705 Q706 Q707 Q708 Q801 Q851 Q852 Q881 Q882 Q883 F-12 F-12 E-10 F-2 G-3 G-3 G-4 F-4 F-3 F-2 C-8 E-12 E-9 D-8 E-10 E-11 E-11
STR-K5
16
16
STR-K5
4-9. SCHEMATIC DIAGRAM DIGITAL Board (1/3)
· See page 30 for Waveforms. · See page 30 for IC Block Diagrams. · See page 34 for IC Pin Function Description.
+3.3V
+3.3V 1 +5V 2 3 C1520 0.1
(1/3)
A10
A11
WE
A7
A8
D8
D9
CS
D13
D10
D15
D11
A13
A15
D14
D12
A14
A9
FB1302 DIR-XMODE DIR-CKSEL1 DIR-CLK DIR-CE R1316 100 R1318 10k C1315 0.1 C1313 100p SDRAM IC1502 IS61LV6416-10TLT C1517 470 10V C1515 470 10V
A12
OE
FB1501 3.3V
DGND
4
(Page 18)
DIR XMODE DIR CKSEL1 C1314 0.1 DIR CLK
C1518 0.1 C1516 0.1 1.85V FB1502 5
+3.3V
JR1502 0
D0
D3
D5
D1
D6
A3
A4 D3
D2
D4
D7
A1
A2
A0
IC1352 TORX141L C1352 0.1 DIGITAL OPTICAL SA-CD/ CD IN C1301 0.1 R1301 5.6k C1302 0.01 IC1301 LC89056W-E DIGITAL AUDIO I/F RECEIVER C1312 0.1 R1352 R1362 100 100
R1315 100 R1313 100 R1312 100
DIR-DI DIR-DO DIR-ERROR
A6
C1519 0.1
DIR AUDIO DSP1 XRST1 DSP1 PM1
R1302 4.7k R1303 33k C1305 0.1 R1150 100
A1 D0 D5 D6 A2 A4 A3 A7 R1547 220 D1 D2 D4 D7 A0 A5 A6 A8 R1546 220
R1519 220
R1518 220
R1517 220
C1303 0.1
R1520 220
R1521 220
R1522 220
R1554 220
R1553 220
R1552 220
C1308 0.1
C1304 0.01 C1306 47 16V
R1360 100
TP1003
R1311 100 R1501 100 R1512 1k
C1510 0.1
FB1305
0 R1306 22 JR1020
R1310 1M X1301 12.288MHz C1310 18p DIR-XSTATE
C1511 0.1
R1574 10k C1521 27p R1573 10k R1572 10k C1522 27p C1501 0.1 R1571 10k R1570 10k R1528 220 C1503 0.1 R1527 220 TP1018 R1544 220 R1545 220 A10 A11 A12 A9
R1309 100 JR1511
R1308 100 R1307 100 D1301 1SS355
DIR-DATAO
R1305 680
DIR DATAO
X1502 13.9MHz
DIR BCK
DIR LRCK
FB1306 R1357 22k D1302 1SS355
DIR CKOUT
SCKOUT
R1515 1M R1523 220 R1556 100 FB1503
R1543 220 R1542 220 R1513 10k DSP IC1501 CXD9862R R1538 220 R1537 220 R1536 220 R1540 220 R1539 220
D8 D9 D10 D11
D12 D13 D14 D15
C1357 1p
R1358 560k
C1358 0.1
C1359 1000 6.3V
DSP1-LRCKO DSP1-BCKO
R1502 100 R1503 220
R1535 220
C1507 0.1 C1508 0.1
VSS
IC1303 TC7UW04F(TE12R) WAVE SHAPER C1355 22 25V J1301 1P DIGITAL COAXIAL DVD IN C1356 0.01 R1355 75 C1361 0.1 R1356 1k
VCC
DSP1-SDO1 DSP1-SDO2 DSP1-SDO3
R1504 100 R1505 100 R1506 100 TP1005
R1511 100 DSP1 GB9
R1534 220 R1533 220 R1532 220
A13 A14 A15
R1359 100 C1360 47p C1502 0.1 C1362 0.1
XRST1
DIR LRCK
(CHASSIS)
DIR BCK
DSP1 LRCKO
PCM1800 DO
C1504 0.1
C1505 0.1
C1506 0.1
C1525 470 10V
R1508 100
R1509 100
TP1010
TP1011
R1531 220 R1541 220 R1555 220
DIR ERROR TP1012 TP1015 DSP1 BST1 R1510 100 SWITCH
DSP1-PM1
IC1503 TC7WH157FU (TE12R)
DIR AUDIO
TP1004
C1309 18p
+3.3V
C1509 0.1
C1513 0.1
R1525 220
R1526 220
R1551 220
R1550 220
R1549 220
R1548 220
R1304 100
R1514 10k
C1514 0.1
A5
OPTICAL RECEIVER
R1314 10k
6 7 8
DSP1-XRST1
TP1008 DSP1-HCS1
DSP1-HACN1
DSP1-HDIN1
DSP1-HCLK1
DSP1-HDOUT1
21
22
24
23
25
26
27
TP1009
OE
WE
CS
9
GP12
10 11
(Page 19)
(Page 18)
DSP1 LRCKO 12
STR-K5
17
17
STR-K5
4-10. SCHEMATIC DIAGRAM DIGITAL Board (2/3)
· See page 30 for Waveforms. · See page 34 for IC Pin Function Description.
+16V CNP505 8P D1001 1SR154 V C1905 0.1 C1908 470 10V C1031 0.1 I G O C1032 470 10V C1021 0.1 I G O C1022 470 10V +5.6V(STBY) PW_RY DSP_GND FL_GND C1008 0.022 +7V +3.3V/+1.8V REGULATOR IC1901 SI-3008KWFE +5V REGULATOR IC1031 BA50BC0T +3.3V REGULATOR IC1904 BA33BC0T CNP504 5P VACS_DET NOT USED F2 F1 STOP STBY GND G 1 2 3 C1906 470 10V
(Page 29)
(2/3)
NC +3.3V O
O
(Page 14)
(Page 17)
4
+3.3V STBY
+3.3V(STBY)
HP DETECT
+3.3V
+5V
-20V
(Page 14)
5
CNS505 23P PW RY F1 F2 -20V
+1.85V
+3.3V(STBY) R1187 10k FB1101
CNS503 7P K-DATA K-REQ K-STB K-CLK K-RW K-RELAY +5V +5V
VOLT DETEC STOP GND
DATA REQ STB CLK R/W
GND FB1308 FB1309 R1185 10k MUSIC ENCODER B R1188 10k MUSIC ENCODER A R1184 10k ECHO ENCODER B R1183 10k ECHO ENCODER A ECHO(A) R1182 10k I/P ENCODER B R1181 10k I/P ENCODER A R1088 10k PW ON/OFF PW_ON/OFF SIRCS_IN FL_LAT FL_DIN FL_CLK R1180 10k VOL JOG 2B VOL_JOG(B) R1179 10k VOL_JOG(A) AD2 AD1 AD0 INPUT(A) INPUT(B) ECHO(B) MUSIC(A) MUSIC(B) +3.3V(STBY) +5V
(Page 27)
K RELAY
CNP503 4P PROTECTOR
(Page 25)
FRONT RY C/SW RY SURR RY
D1110 1SS355 SIRCS D1111 1SS355 FL LAT D1107 1SS355 FL DIN FL CLK
(Page 14)
+3.3V STBY T-MUTE T-STOP DO T-STEREO R1109 2.2k R1108 2.2k R1107 2.2k T-LAT R1201 22k R1112 100 R1077 100 R1147 10k R1078 100 R1075 10k R1111 10k R1079 10k
+9V REGULATOR TN1 TUNER ANTENNA I FM 75 COAXIAL AM C1914 47 16V G O C1913 0.1 IC1902 TA7809LS
T-DATA
T-CLK
STOP
GND(STBY)
VOL JOG 2A AD2 AD1 AD0
C RESET IC1111 S-80929CNMC -G8ZT2G C1137 0.01 C1107 0.1 O
NC V G
R1115 100
R1113 100
R1128 100
R1119 1k
C1131 0.01
C1132 0.01
C1133 0.01
C1134 0.01
R1076 100
R1129 100
R1122 100
R1123 100
R1106 100
R1124 100
R1083 10k
C1100 0.1
C1140 0.1
R1127 100
R1039 10k R1095 10k R1094 10k
R1190 10k C1103 47 16V C1138 0.1
R1189 10k
R1191 10k
C1108 0.1
JR1202 0
C1102 0.1
R1636 2.2k
R1081 10k
R1070 10k
X1101 24MHz C1604 0.1 R1524 0 R1635 2.2k
C1605 0.1
CNS508 11P R1261 1k
T-MUTE T-ROUT T-GND R1260 1k T-LOUT T-STEREO T-STOP
C1620 0.1
C1299 0.1 C1146 0.01 C1145 0.01 K-RELAY R1132 2.2k R1053 100 R1052 100 R1197 100 R1049 10k R1120 1k DIR-XMODE DIR-CKSEL1 DIR-CLK DIR-CE DIR-DI DIR-DO DIR-ERROR DIR-XSTATE R1041 100 R1042 100 R1140 100 R1134 100 R1135 100 R1136 100 R1137 100 R1085 10k SYSTEM CONTROLLER IC1101 MB90F488BPF-GE1-HTK5
C1129 0.01 C1130 0.01 C1154 C1119 0.1 0.1
R1186 10k R1105 10k R1035 100 R1164 2.2k
RSTX
T-LAT T-DATA DO T-CLK C1252 0.1 R1251 39k
K-RW K-CLK K-STB
C1120 0.01 R1163 47k C1118 C1122 C1123 C1124 0.1 0.1 0.1 0.1 R1194 R1193 47k R1073 3.3k
MD2
MD0
CNS504 9P SDA SCL
R1072 3.3k MD2 R1071 3.3k C1142 0.1 R1194 0(SP,MY) 4.7k(E51) R1200 3.3k RSTX R1097 100k RESET GND VDD MD0 MD2 MD0 FLASH PROGRAMMING
C1253 0.1
R1252 39k
C1251 0.1
R1199 100 R1198 100
FLASH2 C1148 220p C1147 220p R1202 3.3k R1159 3.3k FLASH1
6 7 8 DIR-DATAO R1044 100
C1254 220p
C1255 220p
C1149 220p
C1495 220p
R1121 100
R1144 100
R1155 100
R1142 100
R1143 100
R1149 100
R1151 100
R1153 100
R1152 100
R1154 100
R1162 100
R1161 100
R1160 100
R1138 10k
R1080 10k
R1086 10k
R1299 0
R1298 0
EEPROM IC1131 BR24L16F-WE2 C1139 0.1 CNS502 10P
9
C1121 0.1
(Page 17)
10 11 K-DATA K-REQ 12
R1096 10k K DATA K REQ
DSP1-HACN1
DSP1-XRST1
R1117 1k
R1118 1k
DSP1-HDOUT1
R1168 100 VOL_CLK
DSP1-HCS1
DSP1-PM1
PCM-MDO
DSP1-HCLK1
PCM-RST
PCM-MDI
DSP1-HDIN1
PCM-ML
PCM-MC
R1167 100 VOL_IC_DATA_LATCH SOT1 SIN1 DIGITAL GND
DSP1 BST1 31 32 33
(Page 14)
(Page 19)
GP12 PCM1800_RST TUNER.DATA T.SERIALCLK
STR-K5
18
18
STR-K5
4-11. SCHEMATIC DIAGRAM DIGITAL Board (3/3)
· See page 30 for IC Block Diagrams.
(Page 17)
24
22
21
27
23
25
26
(3/3)
31 32 PCM1800 DO
33
PCM-RST
PCM-MDO
PCM-MC
PCM-ML
PCM-MDI
(Page 18)
C1450 0.1
R1474 10k
PCM1800 DO
C1460 10 50V D/A CONVERTER IC1401 PCM1800E/2K FB1452 SCKOUT
C1494 0.1
DIR XMCK
DIR LRCK
DIR BCK
DSP1-BCKO DSP1-LRCKO FB1453 D/A CONVERTER IC1452 PCM1602APT C1454 0.1 C1491 10 50V
R1402 2.2k R1407 100 R1401 1k R1403 10k
C1457 10 50V DSP1-SDO2 DSP1-SDO3 DSP1-SDO1
C1404 0.1 C1403 10 50V C1409 0.1 C1408 470p
SR OUT SW OUT FR OUT FL OUT R1470 6.8k C OUT R1494 6.8k
R1424 6.8k
C1402 47 16V C1401 0.1
FB1405
R1472 0
D1003 1SS367-T3 DGND R1492 6.8k C1005 0.1 AGND CNS501 15P TUNER L OUT GND TUNER R OUT L IN GND R IN R OUT -7V L OUT C1547 0.0022 R1446 1k C1438 10 50V L OUT C1481 330p SW OUT C1566 0.0022 R1476 1k C1468 10 50V R1484 0 VCC C OUT SR OUT C1568 0.0022 C1567 0.0022 R1466 1k R1426 1k C1458 10 50V C1418 10 50V SL OUT SR OUT AGND SL OUT R1445 0 VCC R1435 0 C1483 680p R1483 6.8k AMP IC1403 NJM4565M(TE2) VEE R1444 6.8k C1441 680p C1442 330p C1472 680p C1473 330p R1473 6.8k AMP IC1404 NJM4565M(TE2) VEE R1464 0 R1434 6.8k C1432 680p C1433 330p C1462 680p C1463 330p C1487 0.0022 R1486 1k C1448 10 50V T-LOUT T-GND T-ROUT R OUT AGND DGND A_+5V R1495 6.8k C1004 0.1 D1004 1SS367-T3 R1491 6.8k
R1463 6.8k
AMP IC1405 NJM4565M(TE2) VEE
R1493 6.8k
C1422 680p C1423 330p +5V REGULATOR IC1001 TA7805S
R1460 0
(Page 14)
SW OUT MAIN AGND C OUT SL OUT +7V SR OUT C1569 0.0022 R1436 1k C1428 10 50V
R1461 0
R1471 0
R1475 0
C1407 4.7 50V
SL OUT
C1405 470p
A_5V
C1406 4.7
50V
AGND
I R1425 0 C1001 470 10V
G
O C1002 0.1
VCC
STR-K5
19
19
STR-K5
4-12. PRINTED WIRING BOARD DIGITAL Board (Component Side)
· See page 13 for Circuit Boards Location. : Uses unleaded solder.
13
12
11
10
9
8
7
6
5
4
3
2
1 A
· Semiconductor Location
Ref. No. Location D1001 C-5 D1301 E-10 D1302 E-12 IC1101 IC1111 IC1131 IC1301 IC1303 IC1401 IC1403 IC1404 IC1405 IC1452 IC1501 IC1502 IC1503 G-4 F-4 I-5 D-11 F-12 H-11 I-9 I-7 I-6 H-10 F-8 D-8 G-7
B
C1913
D1001
C1251 R1318 C1315 R1352 R1362 48 1 C1301 R1316 R1315 R1313 37 36
C1253
C
FB1308
C1302 R1303 C1303 C1304
R1301
IC1301 R1312
R1311
IC1502
FB1502
C1516
12 R1304 13
25 24 R1310
R1305 JR1511
C1310
D
R1544 R1545
X1301
R1306
FB1306 D1302
R1360
FB1305
C1309
R1542 R1540
R1134 R1135
R1550 R1549 R1548 R1547
R1522
R1541
R1520
R1518
R1554
R1553 R1525 R1526
R1115 R1132
R1309
R1536
R1119
JR1020
R1359
R1307 R1308
R1539 R1537 R1538 R1535 R1533
C1360
R1109 R1108 R1107
R1572
R1140
R1551
R1546
R1053
R1113
R1571
R1534
R1042
R1521
R1519
C1522 R1515
C1511 R1501
R1356
4
1
X1502
R1517
R1552
C1145 C1146
R1081
R1358
5
8
R1085
C1361
R1136
R1543
R1532
R1044
R1511 R1504 R1505 R1503 R1506 FB1503 30 31 61
100 1
R1142
IC1101
81
R1127
R1137
80
R1106 R1083
R1150
R1502
R1041
R1524
C1357 R1357
R1120
X1101
1
90
R1570 R1528 R1527
C1521
R1197
C1107
IC1303
120
91
R1574 R1573
R1052
R1070
R1112
D1301
JR1502
R1555
E
R1523
IC1111
F
R1556
IC1501
R1509
60
IC1503
R1510
R1474
C1494
R1121 R1144 R1143 R1162 R1160 R1161 R1149
G
R1075 R1111 R1079 R1147 R1122 R1185 R1188 R1183 R1184 R1182 R1181
C1408
IC1452
36 37 25 24
R1531
R1508
R1402
R1138
C1405 24
R1155 R1475 R1472 R1154 R1152 R1153
R1151
C1432 R1464
FB1405
FB1452
IC1401
C1401
1 12
1
12
R1086
48
13
R1471
R1080
13
30 31 8 50
R1076 R1123 R1129 51 R1124 R1094
R1401
H
R1460
C1422
1 4
R1128
R1470
R1190
5
4 1 C1441
5 8
4 1
5 8
4 1
R1095 C1605 R1636
R1461
R1407 R1403
R1635
R1484 8
C1002
R1486
R1446
R1436
R1426 R1466
C1124 C1123 C1122 R1179 R1180
C1487
R1476
C1566
R1198
C1147
C1148
IC1404
IC1405
IC1131
R1199
IC1403
R1445
R1435
R1425
5
R1186 R1105
R1035
I
1-868-724-
11 (11)
J
STR-K5
20
20
STR-K5
4-13. PRINTED WIRING BOARD DIGITAL Board (Conductor Side)
· See page 13 for Circuit Boards Location. : Uses unleaded solder.
1 A
2
3
4
5
(Page 28)
STANDBY BOARD CNP801
6
(Page 16)
MAIN BOARD CN504
7
8
ANTENNA AM FM 75 COAXIAL
9
10
(Page 26)
KARAOKE BOARD CNS553
11
12
13
L
E
TN1 TUNER
K
B
C1031
IC1031
RED
3 2 1 1 1
CNP505
C1914 CNS503 CNS508
R1200
R1260 R1252 R1261 R1251 FB1302
R1314 C1313 C1314
C1905 C1032
GRY GRY GRY
C1021
2
3
R1202
C
5
JR1202 C1908
4
2
GRY
6
5
IC1902
RED GRY GRY
FB1309 FB1501 C1517
C1252
C1352
3
1
IC1901
3
C1906
3 2 1
IC1352
DIGITAL OPTICAL SA-CD/CD IN
2
1 8
R1201
IC1904
C1520
R1302 C1518 C1515 C1305
C1359
D
C1022
D1110 D1107
C1312 C1308
C1306
D1111
C1519
1
RED
CNP503
GRY GRY
4 FB1101
GRY
C1358
E
MAIN BOARD CN503
C
RED GRY GRY GRY
C1103 5
CNP504
C1509 C1008
C1514
(Page 16)
C1102 C1137
C1513
C1510
R1512
C1355
C1501
D
R1187
C1508
F
D1004
C1140
CNS505 C1132 C1133
(Page 24)
C1121
R1191 R1039 C1604
C1254
R1117
C1131
C1502
C1504 FB1453
R1118
C1403
C1454 C1457
C1362
C1356
G
DISPLAY BOARD CNS555
J
C1505
C1100
R1049
C1525
C1506
C1004
D1003
R1355
C1299
C1507
(Page 16)
R1189
C1503
MAIN BOARD CN503
GRY
C1138 1 R1099
R1513
R1514
J1301 DIGITAL COAXIAL DVD IN
C1134
CNS504
R1077
R1159
H
R1078
C1154
C1119
R1299
CNS504 FLASH PROGRAMMING
C1255 C1149
C1491 R1493
C1462 C1481
C1005
(CHASSIS)
C1404
C1118
R1164
R1194
R1096
C1483
R1088
C1108 C1130
C1472
R1298
C1139
C1423
C1463
R1163 R1073
C1402
R1463 C1473
C1433 C1468
C1409
R1495
C1450
R1193
C1460
R1494
R1483
C1120
R1473
R1491
C1142
R1424
C1458
R1434
C1428
R1444
C1438
C1442
3 2
C1001 C1406
C1418
C1448
1
R1168
C1568
C1567
R1097
C1620
C1569
C1547
R1071
R1167
CNS502
CNS501
IC1001
1-868-724-
C1407
I
R1072
C1129
C1495
R1492
· Semiconductor Location
Ref. No. Location D1003 G-11 D1004 G-11 D1107 D-4 D1110 D-3 D1111 D-3 IC1001 IC1031 IC1352 IC1901 IC1902 IC1904 I-10 B-4 D-12 C-3 C-6 C-4
11 (11)
J
B
MAIN BOARD CNP502
A
MAIN BOARD CNP501
(Page 16)
(Page 16)
STR-K5
21
21
STR-K5
4-14. PRINTED WIRING BOARDS MIC Section
· Semiconductor Location
Ref. No. Location D102 G-2 D103 G-7 D104 F-7 D2100 H-7 IC2000 IC2001 IC2002 IC2003 IC2004 IC2120 H-3 C-3 C-5 E-8 F-7 I-8
· See page 13 for Circuit Boards Location.
: Uses unleaded solder.
1 A
2
3
4
KARAOKE J2000 MIC 1
5
6
7
8
9
10
J2050 MIC 2
(CHASSIS)
JW1031
JW1038
B
C2032
C2095
R2016
JW1036
C2026
JW1035
C2000
R2017
C2027 JW1032
C2008
C
R2007
GRY GRY GRY GRY RED
CNP100
C2007
C2004
R2006
C2006
R2056
C2057 C2056
C2054
5
IC2001
C2030 JW1034
C2058
JW1033
R2057
IC2002
JW1037
S100-106
1
C2001
C2031 R2050 C2055 R2055 C2053 R2053 C2052
C2051
13 (13)
D
R2052
JW1045
R2060
GRY GRY GRY GRY
RED
1
4
R2061 C2069
JW1018 JW1017 1 CN100 5 SCORE S104 R2012 R2013
R2065 JW1028
R2019
R2018
JW1044
JW1040
6
C2029
E
C2028
C2068
C2019
C2018
JW1029
R2011
8
5
R2010
C2005 R2005 C2003 R2003 C2002
R2000 R2001 R2004 R2002
C2050 1-868-731R2051 R2054
IC2003
R2058
R2008
RV2109 ECHO
RV2109
M
R2115
R2078
RV2000 MIC 1 VOL C2116 KARAOKE ON/OFF S106 C2059 JW1005 R162 JW1006 C2009 JW1007 (MIC 1 TONE)
C2017
RV2050 MIC 2 VOL
C2067
JW1046 (MIC 2 TONE) VOCAL SELECT
R164
F
D104
C2020 8
IC2004
1 C2045 R2040
C2043 5 1 JW1082 JW1043 C2042 4
DISPLAY BOARD CN102
RV2000
RV2050
CNP102
(Page 24)
S105
JW1008
RV2001
RV2051
R2121
G
R105
D102
R2062
C2021 JW1042
D103
JW1019
C2013
C2015
R104 R103 S103
JW1004
JW1016
JW1020 JW1015
C2010
JW1009
R2113
RV2001 LOW
RV2051 LOW
R163
C2115
C2124
S101
DISPLAY JW1048 C2123
RV2002
C2012
C2014
JW1014
JW1013
C2023
R102
IC2000
C2062 C2064 S100
C2060
RV2003
JW1010
C2121
R2069
JW1011
C2061
I
RV2053
R2124
JW1041
S102 R101 JW1024
C2117 6 C2129
C2063
C2127
C2065
1 C2125
8
R2114
I/
I
1
10 C2066
RV2002 MID JW1012
RV2052 MID JW1021 JW1022
C2120 KEY CONTROL C2126
R2118 C2119 R2120 16 IC2120 9
R2117
JW1025
C2122
20
11
JW1026
C2101
H
C2011
R2009
RV2052
JW1002
C2016
D2100
R2119
R2046
R2116
C2130
R2122
RV2003 HIGH KARAOKE
RV2053 HIGH
JW1001
R2123 C2128 1
N
13 (13)
DISPLAY BOARD CN101
CNP101
(Page 24)
J
1-868-730-
STR-K5
22
22
STR-K5
4-15. SCHEMATIC DIAGRAM MIC Section
· See page 30 for IC Block Diagrams.
C2120 47 10V
R2114 10k C2121 47 10V C2123 0.0068 R2118 15k
C2116 0.022
R2117 15k
C2122 0.068
R2116 330
C2101 0.068
C2117 1 50V
R2120 150k
RV2109 50k ECHO
KARAOKE MIC 1 AMP LOW (MIC 1 TONE) MID HIGH
R2115 330
D2100 UDZSTE-175.1B
R2119 15k
C2119 0.0015
KARAOKE
LPF1OUT CLOCK
RV2001 RV2002 100k 100k C2001 R2002 2.2 1k 50V IC2001(2/2) NJM4565M(TE2) 5 6 C2000 0.01 R2001 100k C2002 0.001 C2003 47p R2003 100k C2005 470p R2004 10k R2006 10k C2007 0.1 50V C2008 150p R2005 22k 2 C2006 47p R2007 10k 8 7 C2030 0.1 IC2001(1/2) NJM4565M(TE2) 3 1 C2011 C2013 C2015 2.2 50V 0.22 0.022 C2009 2.2 50V
RV2003 100k
C2017 2.2 50V
ECHO CONTROL IC2120 M65850FP-E1 C2019 2.2 R2011 10k 50V
LPF1IN
OP1OUT
LPF2OUT
VCC
OP2OUT
NC
LPF2IN
REF
OP2IN
OP1IN
R2000 0 J2000 MIC 1
R2008 2.2k
RV2000 10k C2016 0.001 R2009 2.2k MIC 1 VOL
C2018 2.2 50V
NC
CC1
CC2
GND
R2124 33k
5 6
8 7
C2130 0.015
4
CNP100 5P
CN100 5P
C2010 0.015
C2012 C2014 0.0015 150p
C2125 0.0015 R2010 47k IC2003(2/2) NJM4565M(TE2) R2122 15k R2123 C2127 15k 0.068
C2115 2.2 50V R2113 10k
C2023 0.1 C2126 0.0068 MIC TONE CONTROL IC2000 M5243BFP
R2121 10k C2124 1 50V
C2128 0.22 50V
C2129 0.22 50V
C2004 0.22 50V KARAOKE
MIC AMP
IC2004(2/2) NJM4565M(TE2) 5 8 7 R2078 10k 3
IC2004(1/2) NJM4565M(TE2) 1 2 CNP102 6P C2021 R2046 220 2.2 50V MIC MIC +9V
R2017 3.9k C2032 10 25V C2052 0.001 R2053 100k IC2002(2/2) NJM4565M(TE2) 5 6 C2053 47p R2055 22k 2 C2056 47p R2057 10k 8 7 C2051 R2051 2.2 100k 50V C2031 0.1 C2026 0.1 R2016 4.7k C2027 100 10V
C2060 0.015
C2062 0.0015
C2064 150p C2065 0.022
6 R2069 2.2k C2066 0.001 C2067 2.2 50V RV2050 10k MIC 2 VOL 4 R2060 47k R2065 47k R2013 10k C2043 1 50V C2068 2.2 50V IC2003(1/2) NJM4565M(TE2) 3 1 2 C2020 0.001 R2012 10k
C2061 C2063 2.2 50V 0.22
C2069 2.2 R2061 10k 50V
4
R2040 22k
R2058 2.2k
C2059 2.2 50V RV2051 RV2052 RV2053 100k 100k 100k LOW MID HIGH
GND R2062 2.2k C2042 1 50V R2018 4.7k R2019 4.7k C2029 100 10V C2045 470p MIC GND
J2050 MIC 2
R2050 0
R2052 1k
IC2002(1/2) NJM4565M(TE2) 3 1
(Page 25)
C2050 0.01
(MIC 2 TONE) KARAOKE C2028 0.1
4
R2054 10k
C2055 470p
R2056 10k C2057 0.1 50V
C2058 150p
C2054 0.22 50V
MIC AMP C2095 0.01
MIC 2 AMP TP106 R105 1k R104 680 R103 470 R102 330 R101 220 S100 D102 SEL5821A R162 150 D103 SEL5821A R163 270 D104 SEL5821A R164 270 CNP101 6P POWER SW. K-OK LED VOCAL LED S106 (CHASSIS) S105 S104 S103 S102 S101 SCORE LED GND KARAOKE ON/OFF VOCAL SELECT KEY CONTROL KARAOKE KARAOKE SCORE DISPLAY KARAOKE ON/OFF VOCAL SELECT SCORE A/D(0)
(Page 25)
STR-K5
23
23
STR-K5
4-16. PRINTED WIRING BOARDS DISPLAY Section
· See page 13 for Circuit Boards Location. : Uses unleaded solder.
1 A
2
3
4
5
6
7
8
9
(Page 26)
KARAOKE BOARD CNP200
10
11
12
13
14
O
GRY GRY GRY GRY RED GRY GRY GRY GRY RED
B
S115
TUNING S114
MEMORY/ ENTER S113
2CH S112
A.F.D. S111
MOVIE S124
MUSIC
R2014 JW183
1 CN200 C2150 JW151
JW167
C2162
10 C2112
TP501
S123
C2025
IC2102
R2152 JW152 C2161 4 1 R2154 1 2
R2102
R114
R113
R112
JW123
R111
JW124
R123
JW125
R122
R2015
JW150
C2024 4
1
R2150
C2100
C
(Page 22)
R153
C2110
C2160
6
MIC TONE BOARD CNP102
CN102 JW108
R2151 C2152 R2101 5 8
3 5 8 R2104
2
1
TP105
M
R154
C2106
JW107
JW149
C2102
R150 C2104
C2108
1
IC2101 R2100
C100
3
JW113 C111 JW114 C110 JW115 11 1 44
JW148
C2107
D
C114 1 2 3
R173
C2105
R2103 C2103 20
JW147
IC102
C115
C112 R172 R174
RV103 ROTARY ENCODER MUSIC VOLUME
RV100 ROTARY ENCODER INPUT SELECTOR JW153
C2111 INPUT MODE
RV102 ROTARY ENCODER MASTER VOLUME
3
2
1
S122
RV2101 JW155
12 22 23 33
C2109 11
C2164
CN105 JW154
-1 -2
JW117
JW118
C2156 C2155
C2158 C2157
JW157
34
JW166
JW146
JW119
JW120
JW121
JW122
R2153 JW173
JW144
JW158
RV2102 JW159
JW145
-1 -2
JW160
FL101 FLUORESCENT INDICATOR TUBE 42
R198
CNP106
IC100
C2153
E
JW156
3
GRY GRY
1
BLU
JW172 JW171
L103
C139 C133 C135 C132 C134 C136 C137 C138 C140 C141 C142 C108
C143
1
R199 JW132
C2154
C144 JW126 R175
MID JW136 JW135
JW143
R121 D.B.F.B.
C156
RV2103
JW129
JW106 6
MIC TONE BOARD CNP101
CN101
C154
F
N
7
JW128 1
C109
JW170 JW161
-1 -2
S121
S111-115,S121-124
JW116
JW130 JW131
C153
JW133
JW134
JW137
JW138
JW139
JW140
JW162 JW163
C150
C155
JW105 JW104
8
L102
14
JW141
C157
IC101
D101 R161 JW164 JW165
C151
C152
JW142
L101
HIGH (MUSIC TONE) KARAOKE
CNS555
(Page 22)
1
G
J
1-868-729-
13 (13)
H
DIGITAL BOARD CNS505
(Page 21)
GRY
GRY
BLU
C101
IC2100
1-868-732LOW
13 (13)
1
10 C2159
JW168
· Semiconductor Location
Ref. No. Location D101 F-11 IC100 IC101 IC102 IC2100 IC2101 IC2102 E-4 F-6 D-2 D-8 C-8 C-10
STR-K5
24
24
STR-K5
4-17. SCHEMATIC DIAGRAM DISPLAY Section
· See page 30 for IC Block Diagrams.
C132 220p
C133 220p
C134 220p
C135 220p
220p
C137 220p
C138 220p
220p
C140 220p
C141 220p
C142 220p
2G
3G
4G
5G
8G
1G
6G
7G
9G
10G
12G
11G
R175 10
C143 220p 1G
C109 0.1
C136
C101 0.1
C108 0.1
4G
8G
9G
12G
10G
7G
5G
6G
3G
2G
P13
P10
P15
D101 SEL5821A CN101 6P POWER SW. K-OK LED VOCAL LED SCORE LED FL DISPLAY/LED DRIVER GND P16 P15 P14 P13 P12 IC100 PT6315 D.B.F.B.
R198 1
P16
P11
P14
P12
FL101 FLUORESCENT INDICATOR TUBE
(Page 23)
A/D(0)
R150 82k
R111 220
R112 330
R113 470
R114 680
C110 0.0022
P11 P10 S111 S112 S113 S114 S115 RV103 ROTARY ENCODER A.F.D. 2CH MEMORY/ ENTER C144 0.1 R121 220 R122 330 R123 470 RV102 ROTARY ENCODER S121 S122 S123 S124 MASTER VOLUME CNP106 3P CN105 3P + TUNING MUSIC VOLUME RV100 ROTARY ENCODER INPUT SELECTOR
C112 100p
R172 100
R173 100
R174 100
C111 100p
KARAOKE
P1
P2
P3
P4
P7
P5
P8
C115 10 50V
P6
P9
C100 0.1
D.B.F.B.
INPUT MODE
MUSIC
MOVIE
C151 10 50V
C150 C152 0.1 220p
L102 0
11G
P1
P7
P4
P2
P3
P8
P5
P6
P9
R161 270
C139
R199 1
CNS555 23P IC102 RPM7240-H9 L103 0 F1 F2 -20V BUFFER IC101 TC74ACT08F(EL) REMOTE CONTROL RECEIVER O G V +5V MUSIC(B) C153 220p C154 220p R154 0 C157 0.1 C155 0.1 L101 0 R153 100 C114 0.1 MUSIC(A) ECHO(B) ECHO(A) INPUT(B) INPUT(A) POWER KEY SIRCS PW_ON/OFF SIRCS_IN FL_LAT FL_DIN FL_CLK VOL_JOG(B) VOL_JOG(A) CN102 6P MIC (MUSIC TONE) MIC +9V GND 6 MIC R2100 47k C2100 2.2 50V LOW 5 8 7 R2101 1.2k C2102 2.2 50V RV2101 -1 100k MID RV2102 -1 100k HIGH RV2103 -1 100k C2109 0.001 C2110 2.2 50V R2103 1.2k C2103 0.015 C2105 0.0015 C2107 150p R2104 47k IC2102(2/2) NJM4565M(TE2) R2102 1k C2111 2.2 50V C2112 2.2 50V AD0 AD2 KARAOKE AD1 C156 0.1 GND GND +3.3V(STBY)
(Page 18)
(Page 23)
GND IC2101(2/2) NJM4565M(TE2)
C2104 2.2 50V
C2106 0.22
C2108 0.022
5 6
8 7
CN200 10P
C2164 0.1
ADR
GND ADL +9V
ROUT
MIC AMP R2014 4.7k
TONE CONTROL IC2100 M5243BFP
GND
MIC AMP
(Page 27)
LOUT GND MIC MIC
C2025 220 10V
C2024 0.1
R2015 4.7k C2150 2.2 50V IC2101(1/2) NJM4565M(TE2) 3 1 2 R2151 1.2k C2152 2.2 50V
C2153 0.015
C2155 0.0015
C2157 150p C2160 2.2 50V C2161 2.2 50V IC2102(1/2) NJM4565M(TE2) 3 1 2 R2154 47k 4
C2154 2.2 50V RV2101 -2 100k LOW
C2156 0.22
C2158 0.022 RV2103 -2 100k HIGH C2159 0.001
R2153 1.2k
R2152 1k
C2162 2.2 50V
R2150 47k
4
RV2102 -2 100k MID (MUSIC TONE) KARAOKE
STR-K5
25
25
STR-K5
4-18. PRINTED WIRING BOARD KARAOKE Board
· See page 13 for Circuit Boards Location. : Uses unleaded solder.
1 A
2
3
4
5
6
7
8
9
10
11
12
13
CN2506 D-LIGHT SYNC OUT
J400 MIC OUT L R (CHASSIS) (CHASSIS)
B
5 C2362 4 2 R2506 E 1 3
IC2302
1 2 3
IC2303
B2300
1 2 3
C2001
R2308
R2309
C
Q2350 R2360
JW864 C2405
R450 R400 JW854 C2404 C2401
C2400
C2343 C2320
C2319
C2317
C2324
C2318
C2316
C2314
R2307 R2305 R2304
R2303 C2308
C2361
C451
C401
C2322 R2347
C2321
D
DIGITAL BOARD CNS503
D2350
CNS553
JW856
JW853 JW858 JW867
R2310
C2325
R2357
C2315
C2311 C2312
C2309 R2302
K
R2345 R2355
R2311
JW865
JW857
25
24
C2310 R2301 R2300
R2306 C2313
JW861
C2403
1
7
JW859
(Page 21)
C2366 R2368 R2354 R2379 C2360 4
JW855
R2312 C2307 C2326 40
E
JW874
14
8
JW921
C2306
R2346 5 8
C2348 R2400
C2373
JW863
JW862
IC2301
R2373
R2359 R2372
R2358
C2359
MAIN BOARD CN551
4 9 D2400 C2365 Q2000 E
CNP551 R2402
1
R2349 JW891 C2341 R2350
JW870 JW868 C2334
C2333
R2378 GRY GRY GRY GRY RED GRY GRY GRY
IC2350
JW890
F
F
C2368
5
8 R2371
C2391
C2330
1
C2327
C2329
IC2351
80 C2331
C2302
R1211 C2332
C2303
C2304
IC2300
64 65
R1210 C1246
R2351 C2376 R2348 C2375 R2370 C2371
(Page 16)
C2335
C2351
C2336 C2340 C2390 C2338 C2339 C2389 C2388 C2342
G
JW893
R2353
R2376
JW872
JW866 CNP200
GRY GRY GRY GRY GRY GRY RED GRY
C2337 C2301 TP100
R2352
R2375
JW892
H
RED
TP101
1
RY2000
JW850 JW869 11 (12) 1-868-727-
I
O
DISPLAY BOARD CN200
GRY
RED
JW871
1
10
(Page 24)
· Semiconductor Location
Ref. No. Location D2350 D2400 IC2300 IC2301 IC2302 D-2 G-4 E-10 E-5 C-6 Ref. No. Location IC2303 IC2350 IC2351 Q2000 Q2350 C-8 F-3 F-5 G-3 C-2
STR-K5
26
26
C2305
C2328
41
1
C1245
C1244
C2300
STR-K5
4-19. SCHEMATIC DIAGRAM KARAOKE Board
+5V REGULATOR IC2303 TA7805LS
+9V REGULATOR IC2302 TA7809S R2360 4.7k
Q2350 2SC1815GR +4V REGULATOR
R2506 10
DGND D+4V CN2506 5P D-LIGHT SYNC OUT
O
G
I
O
G
I C2361 47 25V D2350 MTZJ-T -72-5.1A
C2362 47 25V R2355 47k
L+R IIC DATA IIC CLK
C2400 220 16V
C2401 0.1
C2404 220 16V R2375 47k
C2405 0.1
R2376 47k
C2375 2.2 50V KARAOKE R ADR KARAOKE L ADL
RY2000
CNP551 9P
ROUT
C2376 2.2 50V R2359 10k C2335 2.2 50V C2333 4700p C2330 0.1 C2329 0.1 C2327 4700p R2358 10k D2400 1SS133T Q2000 2SC2785TP RELAY DRIVER BUFFER AMP R2353 22k R2352 22k R2402 47
GND LOUT
+R2
R2351 47k
C2337 100 16V C2336 0.1
RIN R2 GND LIN -7V
R2350 47k C2391 2.2 50V C2341 2.2 50V
C2340 0.033 C2339 C2338 0.47 0.022 C2334 1 C2332 1000p C2331 0.068 C2328 0.068
R2349 10k
R2348 10k C2371 47p
R2370 10k
IC2351 NJM4565DD VCC R2354 2.2k MIX AMP VEE R2378 4.7k R2372 10k C2348 0.1 R2379 10k VEE R2368 47k IC2350 NJM4565DD VCC C2359 0.1 R2346 C2366 10k 47p
(Page 14)
R2373 10k
C2373 47p
+7V
R2371 10k
R2400 2.2k
C2365 47p
R2345 10k C2360 0.1
C2326 1000p
CNP200 10P
C2390 0.033 CNS553 7P C2389 0.47 W/R REQ C2388 0.022 C2342 0.022 RIN C2351 C2301 LIN C1246 0.15 INVERTER C2300 1 50V MICIN C1244 1 50V R1210 2.2k C1245 1 50V R1211 2.2k R2308 10k R2309 1k IC2301 TC74ACT08P C2322 0.1 C2325 100p C2324 100p R2312 100 STB R2311 100 STB R2310 100 R/W
ADR
K RELAY R/W CLK STB
REQ
GND ADL +9V
ROUT
GND LOUT
DATA
(Page 25)
GND MIC MIC
(Page 18)
R2347 10k R2357 10k CLK CLK
C2001 1000p
B2300 (CHASSIS) DATA KARAOKE CONTROL IC2300 M65851FP
C2403 0.1
C2368 1 50V C2302 0.15 J400 2P L MIC OUT R R450 1k C451 2.2 50V C2307 560p C2311 2.2 50V R2305 4.7k R2304 R2306 10k 10k C2312 1000p R400 1k C401 2.2 50V C2303 1500p
C2319 0.047
C2304 C2305 0.15 1500p
C2306 2.2 50V
C2315 0.047
C2321 0.1
C2343 100 16V C2313 820p R2307 15k
C2316 0.068 C2317 0.068 C2318 0.068
R2302 27k R2300 15k R2301 3.9k
C2310 1000p C2309 1000p
C2308 4700p
R2303 5.6k
C2314 3300p
C2320 47 50V
STR-K5
27
27
STR-K5
4-20. PRINTED WIRING BOARDS POWER SUPPLY Section
· Semiconductor Location
Ref. No. Location D901 G-4 D910 I-7 D911 I-7 D912 I-7 D913 I-6 D914 I-6 D915 I-6 D920 D-2 D921 E-2 D922 E-2 D923 D-2 Q901 Q911 G-5 G-4
· See page 13 for Circuit Boards Location.
: Uses unleaded solder.
1 A
2
3
4
5
6
7
8
9
10
11
(Page 16)
(Page 16)
I
MAIN BOARD CNP902
H
MAIN BOARD CNP901
B
1 2
CNP903
1
T901 POWER TRANSFORMER (MAIN)
(SP.MY) (E51)
CNP904
F901
C
C902
R810
R812
3
1
2
CNP900
D
D920 D923 D922 D921 C915 JW909
L
N
C901
(AC IN ~)
AC SELECT BOARD
4 1 S901 VOLTAGE SELECTOR 240V R 220V R 120V CN905 1 JW797 JW904 4 S901
E
C916
CNP905 (E51) (SP,MY) RY901 JW901 1 JW912 JW907 CNP906 RED GRY GRY GRY GRY JW908
MAIN BOARD CNP916
JW902
F
G
-3
-2 CNP910 1 3
-1
JW906
1 CNP801 D901
(Page 16)
11 (12) 1-868-728-
5
JW910
R905
G
5
(E51)
R913
Q911
R904
R903 E
E
Q901
H
C914
C913
T902 POWER TRANSFORMER (SUB) JW911 R912 R911 C911 D914 D913 C912 D915 D911 D910 D912
I
L
1-868-726-
11 (12)
J
STR-K5
DIGITAL BOARD CNP505
(Page 21)
28
28
STR-K5
4-21. SCHEMATIC DIAGRAM POWER SUPPLY Section
(Page 14)
T901 POWER TRANSFORMER (E51) (MAIN)
(NC)
(Page 14)
(SP,MY)
CNP903 3P R810 0.22 1/2W F901 RY901 POWER RELAY T2.5AL/250V D920 10EDB40 -TA2B5 D923 10EDB40 -TA2B5 R812 0.22 1/2W D921 10EDB40 -TA2B5 D922 10EDB40 -TA2B5 C901 0.22 CNP904 2P
CNP910 3P
D920-923 RECT
CNP906 5P
GND +16V GND -16V GND
C915 2200 25V
Q901 2SC1740S RELAY DRIVER R904 4.7k R903 47k R905 1
S901 D901 1SS133T 120V VOLTAGE SELECTOR 220V -1 240V
C916 1000 25V
D910 10EDB40-TA2B5 C914 3300 16V
(Page 14)
C902 0.22
D911 10EDB40-TA2B5 C911 0.22
T902 POWER (SP,MY) TRANSFORMER (SUB) JW901
-2 CNP900 2P L (AC IN ~) JW904
D912 10EDB40-TA2B5 CNP801 5P
RW_RY
C912 0.22 D913 10EDB40-TA2B5
N -3
+5.6V(STBY)
STBY GND STOP
Q911 2SC1740S AC IN DETECT R913 10k R912 33k C913 0.47 50V R911 47k
D914 1SS133T JW902 D915 1SS133T
CNP905 4P
D910-913 RECT CN905 4P
(Page 18)
+16V
(E51)
STR-K5
29
29
STR-K5
· Waveforms DIGITAL Board
· IC Block Diagrams MAIN Board
1
IC1301 qd (CKOUT)
7
IC1101 id (X1)
IC400 M61542FP
LPF2OUT OP2OUT LPF2IN CLOCK OP2IN VCC REF
IC501, 601, 701 µPC2581V-S
BIAS CIRCUIT
14
13
12
11
10
9
8
PROTECTOR REG DRIVE PRE DRIVE 4 5 6 7 PRE DRIVE 8 9 10 DRIVE
2.2 Vp-p 81.5 ns 1 V/DIV, 50 ns/DIV 41.7 ns
1.2 Vp-p
1/2 VCC
OSCILLATOR
D/A
LPF2
500 mV/DIV, 20 ns/DIV
AUTO RESET
CLOCK RESET
DO1
+ VOUT1
VOUT1
VOUT2
+ VOUT2
MUTE
COMP1
GND
IN1
IN2
NF2
COMP2
VCC1
2
IC1301 qf (BCK)
MAIN CONTROL D1 DO0 A/D
MI
20KBIT SRAM
LPF1 1
LPF1IN
2
LPF1OUT
3
OP1OUT
4
OP1IN
5
CC1
6
CC2
7
GND
3.3 Vp-p 326 ns 1 V/DIV, 100 ns/DIV
3
IC1301 wa (XOUT)
2.4Vp-p 81.5 ns 1 V/DIV, 50 ns/DIV
4
IC1501 9 (MCLK1)
DIGITAL Board IC1301 LC89056W-E
DI DO ERROR BPSYNC ERR9P DGND VF F2 F1 F0 CSFLAG XSEL
36 35 34 33 32 31
30
29 28 27 26 25
0.8 Vp-p 72 ns 500 mV/DIV, 50 ns/DIV
CE 37 CL 38 XSEL 39 MODE0 40 MODE1 41 DGND 42 DVDD 43 MICROCOMPUTER INTERFACE SAMPLING FREQUENCY 22 21 20 19 18 17 16 15 14 13 XIN XOUT XMCK DVDD DGND XSTATE DATAO LRCK BCK CKOUT C BIT DETECT PA/PB DETECT 24 AUDIO 23 EMPHA
5
IC1501 qs (MCLK2)
LOCK DETECT
X' TAL
1,1 Vp-p 72 ns 500 mV/DIV, 50 ns/DIV
DOSEL0 44 DOSEL1 45 CKSEL0 46 CKSEL1 47 XMODE 48 INPUT CIRCUIT PLL DATA DEMODULATOR TIMING
6
IC1501 qf (SCKOUT)
2.9 Vp-p 81.5 ns 1 V/DIV, 50 ns/DIV
1
2 3
4
5
6 7
8 9 10
11 12
DGND DVDD
R VIN LPF
STR-K5
30
30
DISEL
AVDD AGND
DOUT DINO
DINI
DIN2
VCC2 VEE
MF1
MO
1
2
3
11
12
13 14 15
STR-K5
IC1401
AGND
PCM1800E/2K
SYSCLK DGND DOUT BCK LRCK
15 14 13 SERIAL I/O INTERFACE & MODE/FORMAT CONTROL 7 8 9 10 11 12
AGND1
C NR
C NR
C PR
C PR
VDD
VCC
24
23
22
21
20
19
18
17
16
DIGITAL MODULATOR
DIGITAL MODULATOR
1/64 DECIMATION FILTER & LOW-CUT FILTER
SINGLE-END DEFERENTIAL CONVERTER
REFERENCE
SINGLE-END DEFERENTIAL CONVERTER
CLOCK/ TIMING CONTROL RESET/ POWER CONTROL
1
2
3
4
5
6
REFCOM
V REF 2
IC1452
PCM1602APT
AGND2 VCC1 VCC2 ML MC MDI MDO NC NC NC NC
36 35 34 33
32 31 30
29
28
27
26
25 24 23 22 21 VCC3 AGND3 VCC4 AGND4
RST 37
FUNCTION CONTROL INTERFACE SYSTEM CLOCK MANAGER
SCKI 38 SCKO 39
BYPASS FMT0 FMT1
V REF 1
BCK 40 LRCK 41 DAC TEST 42 VDD 43 DGND 44 DATA1 45 DATA2 46 DATA3 47 SERIAL INPUT INTERFACE 4X/8X OVER SAMPLING DIGITAL FILTER WITH FUNCTION CONTROLLER ENHANCED MULTILEVEL DELTASIGMA MOJULE DAC LPF LPF
DAC DAC DAC
LPF LPF LPF LPF 14 VOUT1 13 VOUT2
ZEROA 48
ZERO DETECT
DAC
1
ZERO1
2
ZERO2
3
ZERO3
4
ZERO4
5
ZERO5
6
ZERO6
7
NC
8
NC
9
VOUT6
10
VOUT5
11
VOUT4
12
VOUT3
IC1503
TC7WH157FU (TE12R)
8 VCC 11 ST 7 11 SELECT 6 EN G
A 1 B 2 Y 3 GND 4
A B
Y Y
5 Y
MODE0 MODE1 FSYNC
20 NC 19 AGND6 18 VCC5 17 AGND5 16 NC 15 VCOM
RSTB
LIN
RIN
31
STR-K5
MIC TONE Board IC2000 M5243BFP09-CF0J IC2120 M65850FP-E1
LPF2OUT OP2OUT LPF2IN CLOCK OP2IN
VCC
IN1-1
1
20 IN1-2
16
NF1-1 IN2-1 2 3 19 NF1-2 18 IN2-2
15
14
13
REF
NC
12
11 10
9
OSCILLATOR 1/2 VCC
D/A
LPF2
NF2-1 IN3-1
4 5
17 NF2-2 16 IN3-2
CLOCK AUTO RESET RESET
DO1
MAIN CONTROL D1 DO0 A/D
MO MI
20KBIT SRAM
NF3-1 NON-INVERTED INPUT-1 INVERTED INPUT-1
6 7 8 + +
15 NF3-2 14 NON-INVERTED INPUT-2 13 INVERTED INPUT-2
LPF1 1 2
LPF1IN
3
LPF1OUT
4
OP1OUT
5
OP1IN
6
CC1
7
CC2
8
GND
OUTPUT-1
9
12
OUTPUT-2
GND 10
VREF
11
VCC
DISPLAY Board IC100 µPD16315GB-3BS
SEG24/GRID5 SEG23/GRID6 SEG22/GRID7 SEG21/GRID8 SEG20/GRID9
38 37 36 35 34 4 12-BIT SHIFT REGISTER 12 4 GRID DRIVER 33 SEG19/GRID10 32 SEG18/GRID11 31 SEG17/GRID12 30 VEE 29 SEG16/KS16 28 SEG15/KS15 27 SEG14/KS14 8 MULTIPLEXED DRIVER 8 SEGMENT DRIVER 16
44 43
42 41 40 39
LED1 LED2 LED3 LED4
1 2 3 4
4-BIT LATCH
KEY DATA MEMORY (2 x 16 BITS)
8 OSC 5 OSC TIMING GENERATOR KEY SCAN 8 DOUT DIN CLK STB 6 7 8 9 SERIAL INTERFACE DISPLAY MEMORY 24 BITS x 12 WORDS 24-BIT OUTPUT LATCH 24 16 DATA SELECTOR
GRID1 GRID2 GRID3 GRID4
VSS VDD
NC
KEY1 10 KEY2 11
COMMAND DECODER
DIMMING CIRCUIT 12 13 14 15 16 17 18 19 20 21 22
26 25 24 23
SEG13/KS13 SEG12/KS12 SEG11/KS11 SEG10/KS10
32
SEG1/KS1 SEG2/KS2 SEG3/KS3 SEG4/KS4 SEG5/KS5 SEG6/KS6 SEG7/KS7 SEG8/KS8 SEG9/KS9
VSS VDD
STR-K5
IC2100 M5243BFP09-CF0J
IN1-1
1
20 IN1-2
NF1-1 IN2-1
2 3
19 NF1-2 18 IN2-2
NF2-1 IN3-1
4 5
17 NF2-2 16 IN3-2
NF3-1 NON-INVERTED INPUT-1 INVERTED INPUT-1
6 7 8 + +
15 NF3-2 14 NON-INVERTED INPUT-2 13 INVERTED INPUT-2
OUTPUT-1
9
12
OUTPUT-2
GND 10
VREF
11
VCC
33
STR-K5
· IC Pin Function Description
DIGITAL BOARD IC1101 MB90F488BPF-GE1-HTK5 (SYSTEM CONTROLLER) 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 30 31 32 33 34 35 36 37 38 to 40 41 42 43 44 45 46 47 48 Pin Name DATAO GP9 BST HCS HACN XRST PM GP12 PCM1800_RST PCM1602_RST VSS PCM1602_ML PCM1602_MC PCM1602_MDI PCM1602_MDO T.SERIAL_CLK TUNER_DATA HDOUT HDIN HCLK DLY_BYPASS NOT USED VCC5 SYS_MUTE NOT USED NOT USED FLASH2 FLASH1 SDA SCL VOL CLK VOL DATA K-OK DATA K-OK REQ AVCC AVRH AVSS A/D0 to A/D2 VERSION VSS RDS_SIG MODEL VACS VOL_ENC (B) VOL_ENC (A) STOP I/O I I O O I O O O O O O O O I O O I O O O O O O O O O I/O O O O O O I I I I I I I I Serial data line si