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Service Manual
KEH-3830R/X1M/EW
ORDER NO.
CRT2257
HIGH POWER CASSETTE PLAYER WITH RDS TUNER
KEH-3830R
KEH-3800R KEH-3820R
NOTE: - See the separate manual CX-631(CRT1640) for the cassette mechanism description. - The cassette mechanism assy employed in this model is one of 2L series.
X1M/EW
X1M/EW X1M/GR
CONTENTS
1. 2. 3. 4. 5. 6. SAFETY INFORMATION............................................2 EXPLODED VIEWS AND PARTS LIST ......................2 SCHEMATIC DIAGRAM.............................................8 PCB CONNECTION DIAGRAM................................22 ELECTRICAL PARTS LIST........................................32 ADJUSTMENT .........................................................39 7. GENERAL INFORMATION.......................................41 7.1 PARTS ................................................................41 7.1.1 IC ...............................................................41 7.1.2 DISPLAY ...................................................45 7.2 DISASSEMBLY ...................................................46 7.3 BLOCK DIAGRAM ..............................................47 8. OPERATIONS AND SPECIFICATIONS ....................48
PIONEER ELECTRONIC CORPORATION 4-1, Meguro 1-Chome, Meguro-ku, Tokyo 153-8654, Japan PIONEER ELECTRONICS SERVICE INC. P.O.Box 1760, Long Beach, CA 90801-1760 U.S.A. PIONEER ELECTRONIC [EUROPE] N.V. Haven 1087 Keetberglaan 1, 9120 Melsele, Belgium PIONEER ELECTRONICS ASIACENTRE PTE.LTD. 501 Orchard Road, #10-00, Wheelock Place, Singapore 238880 C PIONEER ELECTRONIC CORPORATION 1998
K-ZZU. OCT. 1998 Printed in Japan
KEH-3830R,3800R,3820R
1. SAFETY INFORMATION
This service manual is intended for qualified service technicians; it is not meant for the casual do-it-yourselfer. Qualified technicians have the necessary test equipment and tools, and have been trained to properly and safely repair complex products such as those covered by this manual. Improperly performed repairs can adversely affect the safety and reliability of the product and may void the warranty. If you are not qualified to perform the repair of this product properly and safely, you should not risk trying to do so and refer the repair to a qualified service technician.
2. EXPLODED VIEWS AND PARTS LIST
2.1 PACKING
12
3 5
4
2
8
6 10 1 13
11
7 9
2
KEH-3830R,3800R,3820R
NOTE:
- Parts marked by "*" are generally unavailable because they are not in our Master Spare Parts List. - Screws adjacent to mark on the product are used for disassembly.
(1) PACKING SECTION PARTS LIST
Mark No. Description 1 2 3 4 5 * 6 7 8 9 10 Cord Assy Accessory Assy Screw Handle Bush Polyethylene Bag Polyethylene Bag Carton Contain Box Protector Part No. CDE5797 CEA1917 CBA1304 CNC5395 CNV3930 E36-615 CEG-162
See Contrast table(2) See Contrast table(2)
Mark No. Description 11 12-1 12-2 12-3 12-4 Protector Owner's Manual Owner's Manual Installation Manual Passport
Part No. CHP2101
See Contrast table(2) See Contrast table(2) See Contrast table(2)
* *
CRY1013 CRY1087 CXB3520
12-5 Warranty Card 13 Case Assy
CHP2102
(2) CONTRAST TABLE KEH-3830R/X1M/EW, KEH-3800R/X1M/EW and KEH-3820R/X1M/GR are constructed the same except for the following:
Part No. KEH-3800R/X1M/EW CHG3708 CHL3708 CRD2791 CRD2792 CRD2793
Mark No. 8 9 12-1 12-2 12-3
Description Carton Contain Box Owner's Manual Owner's Manual Installation Manual
KEH-3830R/X1M/EW CHG3572 CHL3572 CRD2791 CRD2792 CRD2793
KEH-3820R/X1M/GR CHG3589 CHL3589 CRB1521 Not used CRB1522
- Owner's Manual, Installation Manual
Model KEH-3830R/X1M/EW KEH-3800R/X1M/EW Part No. CRD2791 CRD2792 CRD2793 CRB1521,CRB1522 Language English,Spanish,German French,Italian,Dutch English,Spanish,German, French,Italian,Dutch German
KEH-3820R/X1M/GR
3
KEH-3830R,3800R,3820R
2.2 EXTERIOR
4
KEH-3830R,3800R,3820R
(1) EXTERIOR SECTION PARTS LIST
Mark No. Description 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 Screw Screw Cord Assy Fuse(10A) Plug Case Screw Screw Holder Cushion Insulator Tuner Amp Unit Screw Screw Cord FM/AM Tuner Unit Holder Plug(CN603) Connector(CN602) Connector(CN601) Antenna Jack(CN402) Panel Holder Holder Holder Heat Sink Chassis Unit Screw Holder Unit Detach Grille Assy Screw Screw Button Button(1-6) Button Part No. BSZ26P050FMC BSZ30P050FMC CDE5797 CEK1136 CKM1290 CNB2350 BSZ30P050FMC BSZ30P200FMC CNC5704 CNM5210 CNM5963
See Contrast table(2)
Mark No. Description 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 Button Button Button(Eject) Button(Display) Button Button Spring Cover Housing Keyboard Unit LCD(LCD1901) Connector(CN1901) Holder Sheet Lighting Conductor Connector Grille Unit Button Spring Spring Spring Bracket Bracket Arm Arm Arm Panel Unit Door Spring Screw Case Assy IC(IC302) Transistor(Q904)
Part No.
See Contrast table(2) See Contrast table(2)
CAC5793 CAC5934
See Contrast table(2) See Contrast table(2)
CBH2103
See Contrast table(2)
CNV5528
See Contrast table(2)
BSZ26P080FMC BSZ26P160FMC CDE5752
See Contrast table(2)
CAW1542 CKS3580 CNC7981 CNM5941 CNV5527 CNV5531
See Contrast table(2)
CNC6554 CKM1288 CKS3568 CKS3581 CKX1056 CNB2344 CNC5399 CNC6845 CNC7996 CNR1505
See Contrast table(2)
CAC4836 CBH1834 CBH1835 CBH2182 CNC6135 CNC6791 CNV4692 CNV4693 CNV4728 CXB3022 CAT1835 CBH1838 IMS20P030FZK CXB3520 TDA7384 2SD2396
ISS26P055FUC CXB2687
See Contrast table(2)
BPZ20P060FMC BPZ20P100FZK
See Contrast table(2)
Cassette Mechanism Module EXK3695
CAC5785
See Contrast table(2)
5
KEH-3830R,3800R,3820R
(2)CONTRAST TABLE KEH-3830R/X1M/EW , KEH-3800R/X1M/EW and KEH-3820R/X1M/GR have the same construction except for the following:
Mark No. 12 16 27 30 33 35 36 37 40 41 43 45 52 62 63 Description Tuner Amp Unit FM/AM Tuner Unit Chassis Unit Detach Grille Assy Button(Detach) Button(-) Button(EQ) Button(+) Button(Cross) Button(A,B) Cover Keyboard Unit Grille Unit Panel Unit Door KEH-3830R/X1M/EW CWM6251 CWE1466 CXB3016 CXB3325 CAC5929 CAC5931 CAC6136 CAC5797 CAC5799 CAC5801 CNS5131 CWM6262 CXB4067 CXB3022 CAT1835 Part No. KEH-3800R/X1M/EW CWM6251 CWE1466 CXB3018 CXB3880 CAC5789 CAC5930 CAC6135 CAC5783 CAC5786 CAC5787 CNS5130 CWM6465 CXB4070 CXB3021 CAT2028 KEH-3820R/X1M/GR CWM6250 CWE1470 CXB3017 CXB3324 CAC5789 CAC5930 CAC6135 CAC5783 CAC5786 CAC5787 CNS5130 CWM6261 CXB4068 CXB3021 CAT2028
2.3 CASSETTE MECHANISM MODULE
6
KEH-3830R,3800R,3820R
- CASSETTE MECHANISM MODULE SECTION PARTS LIST
Mark No. Description 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 39 40 41 42 43 44 45 Screw Washer Washer Washer Deck Unit Screw Screw Spring Spring Plug(CN251) Spring Spring Spring Spring ····· Spring Cord Photo-interrupter(EGN2,3) Photo-interrupter(EGN1) Roller Shaft Pinch Roller Arm Arm Guide Holder Lever Arm Motor Belt Gear Collar Gear Flywheel Worm Gear Worm Wheel Gear Lever ····· Gathering PCB Gathering PCB Switch(S1) Motor Unit(M2) Chassis Unit Pinch Holder Part No. BSZ20P040FMC CBF1037 CBF1038 CBG1003 EWM1021 EBA1028 EBA1037 EBH1531 EBH1575 CKS3540 EBH1515 EBH1587 EBH1517 EBH1518 Mark No. Description 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 Pinch Holder Reel Unit Head Base Unit Lever Unit Gear Unit Frame Unit Lever Unit Head Assy(HD1) Motor Unit(M1) Washer Screw Spring Washer Pinch Holder Unit Pinch Holder Unit Part No. ENV1486 EXA1543 EXA1457 EXA1438 EXA1574 EXA1458 EXA1439 EXA1506 EXA1490 HBF-179 BMZ20P022FMC EBH1545 YE20FUC EXA1529 EXA1528
EBH1537 EDD1020 EGN1006 EGN1005 ENR1031 ELA1373 ENV1518 ENC1489 ENC1397 ENC1481 ENC1417 ENC1448 ENC1488 EXM1031 ENT1027 ENV1347 ENV1508 ENV1350 ENV1500 ENV1439 ENV1440 ENR1028 ENV1442 ENX1037 ENX1042 ESG1004 EXA1485 EXA1511 ENV1485
*
7
1
2
3
4
KEH-3830R,3800R,3820R
3. SCHEMATIC DIAGRAM
A
3.1 OVERALL CONNECTION DIAGRAM(GUIDE PAGE)
Note: When ordering service parts, be sure to refer to "EXPLODED VIEWS AND PARTS LIST" or "ELECTRICAL PARTS LIST".
A-a
A-b
Large size SCH diagram
A-a
B FM/AM TUNER UNIT
A-a
A-b
Guide page
B
A-a
Detailed page
A-b
EWmodel
FM: -15.5dBs AM: -26dBs
EWmodel
4R7/16
PM2007A
EWmodel
EWmodel
C
223(B)
4R7/16
TAPE: -9dBs
EWmodel
PM4006B
DECK UNIT
D
CN251
For resistors and capacitors in the circuit diagrams, their resistance values or capacitance values are expressed in codes:
D
Ex. *Resistors Code Practical value 123 12k ohms 103 10k ohms *Capacitors Code Practical value 103 0.01uF 101/10 100uF/10V
C
KEYBOARD U
8
A
1 2
3
4
5
6
7
8
KEH-3830R,3800R,3820R
A
A-b
A A
ELECTRONIC VOLUME
TUNER AMP UNIT
FM: +9.6dBs AM: -0.9dBs TAPE: -4dBs
POWER AMP
RESET
332/16
FM: +35.6dBs AM: +25.1dBs TAPE: +22.0dB
B
CEK1136
C
8V REGULATER
EWmodel
SYSTEM CONTROLLER
PD4974A
B REMOTE
D
UNIT CN1901
A
5 6 7 8
9
B A
D C
10
A-a A-b
KEH-3830R,3800R,3820R
A-a
FM: -15.5dBs AM: -26dBs
EWmodel
EWmodel 4R7/16
EWmodel
EWmodel
4R7/16
1 PM2007A
1
B FM/AM TUNER UNIT
2
2
3
3
4
4
EWmodel
EWmodel
223(B)
D
DECK UNIT
5
TAPE: -9dBs
5
EWmodel
SYSTEM CONTR
PD4974A
PM4006B
6
CN251
Ex. *Resistors Code Practical value 123 12k ohms 103 10k ohms *Capacitors Code Practical value 103 0.01uF 101/10 100uF/10V
6
For resistors and capacitors in the circuit diagrams, their resistance values or capacitance values are expressed in codes:
7 C
7
C
KEYBOARD UNIT CN1901
A-a
A-a A-b
A B
KEH-3830R,3800R,3820R
8
8
11
D
B A
D C
12
A-a A-b
KEH-3830R,3800R,3820R
FM: +9.6dBs AM: -0.9dBs TAPE: -4dBs
POWER AMP
332/16
A-b
A A
TUNER AMP UNIT
FM: +35.6dBs AM: +25.1dBs TAPE: +22.0dB
1
1
ELECTRONIC VOLUME
2
2
3
3
RESET
CEK1136
4
4
8V REGULATER
EWmodel
5
5
CONTROLLER B REMOTE
4A
6
6
7
7
KEH-3830R,3800R,3820R
A-b
A-a A-b
A B C
8
8
13
D
1
2
3
4
KEH-3830R,3800R,3820R
3.2 FM/AM TUNER UNIT
- KEH-3830R/X1M/EW,3800R/X1M/EW
A
B
FM/AM TUNER UN
B
C
1 2 3
D
14
B
1 2
3
4
5
6
7
8
KEH-3830R,3800R,3820R
A
A
ER UNIT
B
C
D
B
5 6 7 8
15
1
2
3
4
KEH-3830R,3800R,3820R
- KEH-3820R/X1M/GR
A
B
FM/AM TUNER UN
B
C
D
16
B
1 2 3 4
5
6
7
8
KEH-3830R,3800R,3820R
A
ER UNIT
A
B
C
D
B
5 6 7 8
17
1
2
3
4
KEH-3830R,3800R,3820R
3.3 KEYBOARD UNIT
A
B
C
CAW1542
D
18 1
C
2 3 4
5
6
7
8
KEH-3830R,3800R,3820R
A
C
KEYBOARD UNIT
B
EDIT
TA
A
PTY
CN601
C
LOCAL/BSM
IL1901-1905:CEL1610(3830R,3820R) CEL1605(3800R) 40mA 14V
D
C
5 6 7 8
19
1
2
3
4
KEH-3830R,3800R,3820R
3.4 CASSETTE MECHANISM MODULE
A
D DECK UNIT
R302 R304 16K 16K C302 R1 18K C256 C253 330P R01 R258 1K R301
RL
R283 0R0 C302 R1
30 29 28 27 26 25 24 23 22 21
RR
C254 330P R284 0R0
R256 220
FR
Fwd-R Fwd-L
R282 0R0 C252 330P C273 22/16 R287 0R0
FL
R281 0R0 C251 330P
B
HD1 HEAD ASSY EXA1506
R255 220
31 32 33 34 35 36 37 38 39 40
CXA2559Q
20 19 18 17 16 15 14 13 12 11
R273 R272 R271 R274
1K 1K 1K 1K R290 0R0
C403
R068
R403 82K C402 4700P C401 R33 R402 16K R401 4R7K
TEST TAPE NCT-150 (400Hz, 200nWb/m)
C255 R01
R257 1K
1 2 3 4 5 6 7 8 9 10
100P
C301
R303 R305 16K 16K
C272 R1
0R0
Signal GND
C
R386
R285
0R0
C313
-6dBs(388mV)±1dB
A CN602
D
20
D
1 2 3 4
MUTE
R323
R1
0R0
5
6
7
8
KEH-3830R,3800R,3820R
A
M1 MOTOR UNIT (MAIN MOTOR) EXA1490
E PCB UNIT
S1 LOAD S2 70µs ESG1004 ESG1004
R373
0R0
R355
C352 3900P
270K
180
MODE SENSE
R362
EGN1 EGN1005
B
R22
C351
M2 MOTOR UNIT (SUB MOTOR) EXA1485
R374
0R0 R01
1K
1K
1K
1K
EGN2 EGN1006 FWD END SENSE
EGN3 EGN1006 REV END SENSE
R351
R352
R353
R354
C354
1SS355
C356
R01
C353
F REEL PCB
SWITCHES: PCB UNIT S1:LOAD SWITCH..........EJECT-PLAY S2:70µs SWITCH............ON-OFF The underlined indicates the switch position.
D352
C355
R1
R01
Power GND
C
D
5
6
7
D E F
8
21
1
2
3
4
KEH-3830R,3800R,3820R
4. PCB CONNECTION DIAGRAM
A
4.1 TUNER AMP UNIT
NOTE FOR PCB DIAGRAMS
1. The parts mounted on this PCB include all necessary parts for several destination. For further information for respective destinations, be sure to check with the schematic diagram. 2. Viewpoint of PCB diagrams
Connector Capacitor
CORD ASSY
A
TUNER AMP UNIT
SIDE A
B
P.C.Board Chip Part
SIDE B
C
D
C
22 1
CN1901
A
2 3 4
5
6
7
8
KEH-3830R,3800R,3820R
A
SIDE A
B
D
CN251
C
B
D
A
5 6 7 8
23
1
2
3
4
KEH-3830R,3800R,3820R
A
A
TUNER AMP UNIT
B
C
D
24
A
1 2 3 4
5
6
7
8
KEH-3830R,3800R,3820R
SIDE B
A
B
C
D
A
5 6 7 8
25
1
2
3
4
KEH-3830R,3800R,3820R
4.2 FM/AM TUNER UNIT
SIDE A
A
B
C
D
26
B
1 2 3 4
B
FM/AM TUNER UNIT
A
1
2
3
4
KEH-3830R,3800R,3820R
SIDE B
A
B
C
FM/AM TUNER UNIT
D
B
B
1 2 3 4
27
1
2
3
4
KEH-3830R,3800R,3820R
4.3 KEYBOARD UNIT
A
SIDE A
B
C
D
C
KEYBOARD UNIT
28
C
1 2 3 4
EDIT
1
2
3
4
KEH-3830R,3800R,3820R
SIDE B
A
A
CN601
B
C
C
KEYBOARD UNIT
D
C
1 2 3 4
29
1
2
3
4
KEH-3830R,3800R,3820R
4.4 CASSETTE MECHANISM MODULE
A
D
DECK UNIT
SIDE A
B
A CN602
D
C
DECK UNIT
M2 M1
SIDE B
HEAD ASSY
E
D
30
D
1
2
3
4
1
2
3
4
KEH-3830R,3800R,3820R
E
PCB UNIT SIDE A
A
LOAD SW S1
EGN1 MODE SENSE 70µ SW S2
E
PCB UNIT SIDE B
B
1
D CN253
4 7
1 2 3 4 5 6
C
F
F
REEL PCB
E
D
Fig. 20
1
2
E F
3 4
31
KEH-3830R,3800R,3820R
5. ELECTRICAL PARTS LIST
NOTE:
- Parts whose parts numbers are omitted are subject to being not supplied. - The part numbers shown below indicate chip components. Chip Resistor RS1/_S___J,RS1/__S___J Chip Capacitor (except for CQS.....) CKS....., CCS....., CSZS.....
=====Circuit Symbol and No.===Part Name --- ----------------------------------------------Part No. ------------------------=====Circuit Symbol and No.===Part Name --- ----------------------------------------------D D D D D PML003AM TDA7384 PM2007A PD4974A S-80734AN PM4006B TA75S393F TPD1018F LAU2R2K LAU2R2K LAU2R2K LAU2R2K LAU2R2K LAU101K CTH1219 LAU2R2K 2SD1468S 2SD1468S DTC143TS DTC143TS DTC124ES DTC124EK 2SC1740S 2SC2412K DTC143TS 2SC1740S DTA124EK DTC114EK 2SA933S 2SC1740S 2SC2412K 2SD2037 2SD2396 2SB1243 2SC1740S 2SA1048 DTC114TK 2SA1674 DTC114TK 2SC2412K DTC114ES DTA124ES 2SA1037K 1SS270 1SS270 1SS270 1SS270 1SS270 1SS270 1SS270 D D D D D D D D D D D D X X X VR 604 605 606 607 608 901 902 903 904 905 906 907 908 909 910 915 916 501 601 701 401 Diode Diode Diode Diode Diode Diode Diode Diode Diode Diode Diode Diode Diode Diode Diode Diode Diode Crystal Resonator 7.200MHz Ceramic Resonator 4.194MHz Crystal Resonator 4.332MHz Semi-fixed 22k(B) Part No. ------------------------1SS270 1SS270 1SS270 1SS270 1SS270 HZS7L(C2) 1SR139-400 1SR139-400 HZS7L(A1) 1SR139-400 HZS6L(B2) HZS9L(B3) HZS9L(A2) 1SR139-400 1SR139-400 1SS270 1SS270 CSS1379 CSS1047 CSS1056 CCP1321
A
IC IC IC IC IC IC IC IC L L L L L L L L Q Q Q Q Q Q Q Q Q Q Q Q Q Q Q Q Q Q Q Q Q Q Q Q Q Q Q D D D D D D D
Unit Number : CWM6251(EWmodel) CWM6250(GRmodel) Unit Name : Tuner Amp Unit
MISCELLANEOUS 301 302 501 601 602 701 703 901 501 502 601 602 603 701 901 902 301 302 303 304 305 306 307 401 402 501 505 506 601 901 902 903 904 905 906 907 908 909 910 911 920 921 924 301 302 402 501 601 602 603 IC IC IC IC IC IC IC IC Ferri-Inductor Ferri-Inductor Ferri-Inductor Ferri-Inductor Ferri-Inductor Ferri-Inductor Coil Ferri-Inductor Transistor Transistor Transistor Transistor Transistor Transistor Transistor Transistor Transistor Transistor Transistor Transistor Transistor Transistor Transistor Transistor Transistor Transistor Transistor Transistor(EWmodel) Transistor(EWmodel) Transistor Transistor Transistor Transistor Transistor Transistor Diode Diode Diode(EWmodel) Diode Diode Diode Diode
RESISTORS R R R R R R R R R R R R R R R R R R R R R R R R R R R R R R 303 304 305 306 307 308 309 311 312 317 318 319 320 321 322 323 340 342 401 402 403 404 405 406 407 408 410 411 412 413 RS1/8S224J RS1/8S224J RS1/10S222J RS1/10S222J RS1/10S223J RS1/10S223J RS1/10S222J RD1/4PU472J RS1/10S472J RS1/10S152J RS1/10S103J RS1/10S221J RS1/10S101J RS1/10S223J RS1/10S153J RS1/10S103J RS1/10S0R0J RS1/10S0R0J RS1/10S0R0J RS1/10S272J RS1/10S272J RS1/10S0R0J RS1/10S510J RS1/10S102J RD1/4PU222J RS1/10S222J RS1/10S102J RS1/10S103J RD1/4PU103J RS1/10S393J
(EWmodel)
32
KEH-3830R,3800R,3820R
=====Circuit Symbol and No.===Part Name --- ----------------------------------------------R R R R R R R R R R R R R R R R R R R R R R R R R R R R R R R R R R R R R R R R R R R R R R R R R R R R R R R R R R R R R R R R R 414 415 416 417 418 419 501 502 503 506 508 510 511 512 513 514 515 517 518 519 520 521 522 523 524 525 526 527 528 529 530 531 532 535 536 601 602 603 604 607 610 611 612 613 614 615 616 617 618 619 621 622 623 624 625 626 627 628 629 630 631 632 633 634 635 (EWmodel) (GRmodel)
Part No. ------------------------RS1/10S104J RS1/10S123J RS1/8S104J RS1/10S0R0J RS1/10S0R0J RS1/10S0R0J RS1/10S105J RS1/10S102J RS1/10S222J RS1/10S561J RS1/10S224J RS1/10S0R0J RS1/10S0R0J RS1/10S0R0J RS1/10S272J RS1/8S222J RS1/10S562J RS1/10S473J RS1/10S472J RS1/10S682J RS1/10S222J RS1/10S682J RS1/10S472J RS1/10S0R0J RS1/10S103J RS1/10S152J RS1/10S392J RS1/10S392J RS1/10S472J RS1/10S473J RS1/10S562J RS1/10S104J RS1/10S473J RD1/4PU102J RS1/10S473J RS1/10S124J RS1/10S102J RS1/10S102J RS1/10S473J RD1/4PU102J RS1/10S473J RS1/10S473J RS1/10S473J RS1/10S473J RS1/8S103J RS1/10S392J RD1/4PU222J RD1/4PU223J RD1/4PU222J RD1/4PU222J RS1/10S222J RS1/10S222J RD1/4PU222J RS1/10S222J RD1/4PU222J RD1/4PU222J RD1/4PU222J RD1/4PU222J RD1/4PU681J RS1/10S681J RS1/10S681J RD1/4PU681J RD1/4PU681J RD1/4PU681J RD1/4PU222J
=====Circuit Symbol and No.===Part Name --- ----------------------------------------------R R R R R R R R R R R R R R R R R R R R R R R R R R R R R R R R R R R R R R R R R R R R R R R R R R R R R R R R R 636 637 638 639 641 642 643 644 645 651 653 654 655 701 702 703 704 705 706 708 709 710 711 712 713 714 901 902 903 904 905 906 907 908 909 910 911 912 913 914 915 916 917 919 920 921 922 923 924 944 948 949 951 952 953 954 955 (EWmodel) (EWmodel)
Part No. ------------------------RS1/10S472J RS1/10S103J RD1/4PU222J RS1/10S223J RD1/4PU222J RS1/10S473J RS1/10S472J RS1/10S472J RS1/10S472J RD1/4PU222J RS1/8S0R0J RS1/10S0R0J RS1/10S473J RS1/10S562J RS1/10S222J RS1/10S222J RS1/10S684J RD1/4PU681J RS1/10S333J RD1/4PU102J RD1/4PU102J RS1/10S102J RD1/4PU102J RD1/4PU102J RD1/4PU102J RD1/4PU102J RS1/10S473J RS1/10S223J RS1/10S223J RS1/10S473J RD1/4PU102J RD1/4PU473J RS1/10S473J RS1/10S472J RS1/10S332J RD1/4PU101J RS1/10S122J RS1/10S103J RS1/10S103J RS1/10S102J RS1/10S103J RS1/10S103J RS1/10S0R0J RS1/10S102J RS1/10S103J RS1/10S152J RS1/10S102J RS1/10S103J RS1/10S223J RS1/10S152J RS1/10S0R0J RS1/8S0R0J RS1/10S153J RS1/10S472J RS1/10S472J RD1/4PU102J RD1/4PU473J
(EWmodel)
(EWmodel) (EWmodel)
CAPACITORS C C C C C 301 302 303 304 308 CKSQYB105K10 CKSQYB105K10 CEJA470M10 CEJA100M16 CKSQYB104K50
33
KEH-3830R,3800R,3820R
=====Circuit Symbol and No.===Part Name --- ----------------------------------------------C C C C C C C C C C C C C C C C C C C C C C C C C C C C C C C C C C C C C C C C C C C C C C C C C C C C C C C C C C C C C C C C C 309 310 311 312 313 314 315 316 317 318 319 320 321 322 323 324 331 332 339 340 401 402 403 407 408 412 413 414 415 501 502 503 504 505 507 508 510 511 512 513 514 515 516 517 518 519 520 521 522 523 524 525 526 527 530 601 602 603 604 608 609 610 611 703 704 3300µF/16V
Part No. ------------------------CKSQYB224K16 CKSQYB224K16 CKSQYB224K16 CKSQYB224K16 CEJA4R7M35 CEJA4R7M35 CEJA330M10 CEJA1R0M50 CEJA100M16 CKSYB105K16 CKSQYB224K16 CKSQYB224K16 CKSQYB224K16 CKSQYB224K16 CKSQYB104K50 CCH1169 CKSQYB153K50 CKSQYB153K50 CKSQYB104K50 CKSQYB104K50 CKSQYB223K25 CKSQYB223K25 CKSQYB223K25 CKSQYB223K50 CCSQSL101J50 CKSQYB104K50 CKSQYB223K50 CKSQYB103K50 CKSYB223K50 CCH1165 CKSQYB471K50 CKSQYB223K50 CKSQYB103K50 CKSQYB103K50 CEJA220M6R3 CKSQYB102K50 CCSQSL101J50 CKSQYB103K50 CKSQYB103K50 CKSQYB103K50 CCSQCH150J50 CKSQYB102K50 CCSQCH150J50 CKSQYB103K50 CKSQYB103K50 CEJA220M6R3 CKSQYB103K50 CEJA220M6R3 CKSQYB104K50 CKSQYB332K50 CKSQYB103K50 CCH1250 CEJAR47M50 CKLSR473K16 CEJA220M10 CKSQYB473K50 CEJA2R2M50 CKSQYB103K50 CCSQCH101J50 CEJA4R7M35 CEJA100M16 CEJA220M10 CKSQYB223K50 CKSQYB103K50 CEJA4R7M35
=====Circuit Symbol and No.===Part Name --- ----------------------------------------------C C C C C C C C C C C C C C C C C C C C 705 706 707 708 709 710 711 712 713 714 717 901 902 903 904 905 906 907 908 910
Part No. ------------------------CKSQYB104K50 CKSQYB222K50 CKSQYB104K50 CKSYB105K16 CKSQYB104K50 CKSQYB472K50 CEJA4R7M35 CCSQCH100D50 CCSQCH220J50 CCSQCH220J50 CCSQCH101J50 CEJA101M10 CKSQYB473K50 CCH1183 CKSQYB103K50 CCH1181 CKSQYB103K50 CCH1179 CKSQYB103K50 CKSQYB472K50
470µF/16V 330µF/10V 100µF/16V
C
IC L D D X S S S S S S S S S S S S S S S S S S S S S S IL IL IL IL IL IL IL IL IL
Unit Number : CWM6262(KEH-3830R/X1M/EW) CWM6465(KEH-3800R/X1M/EW) CWM6261(KEH-3820R/X1M/GR) Unit Name : Keyboard Unit
MISCELLANEOUS (EWmodel) 4.7µF/16V 1901 1901 1901 1902 1901 1901 1902 1903 1904 1905 1906 1907 1908 1909 1910 1911 1912 1913 1914 1915 1916 1917 1918 1919 1920 1921 1922 1901 1901 1902 1902 1903 1903 1904 1904 1905 IC Ferri-Inductor Chip Diode Diode Ceramic Resonator 4.97MHz Switch Switch Switch Switch Switch Switch Switch Switch Switch Switch Switch Switch Switch Switch Switch Switch Switch Switch Switch Switch PD6278A LAU101K MA151WK MA151WA CSS1422 CSG1041 CSG1111 CSG1111 CSG1111 CSG1111 CSG1111 CSG1111 CSG1111 CSG1111 CSG1111 CSG1111 CSG1111 CSG1111 CSG1041 CSG1041 CSG1111 CSG1111 CSG1041 CSG1041 CSG1111
(EWmodel)
(EWmodel)
(EWmodel) (EWmodel) 4.7µF/16V(EWmodel) (EWmodel) (EWmodel)
Switch CSG1111 Switch CSG1110 Lamp 40mA 14V CEL1610 (KEH-3830R/X1M/EW,3820R/X1M/GR) Lamp 40mA 14V(3800R/X1M/EW) CEL1605 Lamp 40mA 14V CEL1610 (KEH-3830R/X1M/EW,3820R/X1M/GR) Lamp 40mA 14V(3800R/X1M/EW) CEL1605 Lamp 40mA 14V CEL1610 (KEH-3830R/X1M/EW,3820R/X1M/GR) Lamp 40mA 14V(3800R/X1M/EW) CEL1605 Lamp 40mA 14V CEL1610 (KEH-3830R/X1M/EW,3820R/X1M/GR) Lamp 40mA 14V(3800R/X1M/EW) CEL1605 Lamp 40mA 14V CEL1610 (KEH-3830R/X1M/EW,3820R/X1M/GR) Lamp 40mA 14V(3800R/X1M/EW) LCD CEL1605 CAW1542
IL 1905 LCD1901
34
KEH-3830R,3800R,3820R
=====Circuit Symbol and No.===Part Name --- ----------------------------------------------RESISTORS R R R R R R R R R R 1901 1902 1903 1908 1909 1910 1911 1912 1913 1922
Part No. -------------------------
=====Circuit Symbol and No.===Part Name --- ----------------------------------------------C C C C C C C C C C C C C C C 256 272 273 301 302 313 351 352 353 354 355 356 401 402 403 Unit Number : Unit Name : PCB Unit 1 1 Switch (Load) Photo-Interrupter
Part No. ------------------------CKSRYB103K25 CKSQYB104K16 CEJA220M16 CKSYB104K50 CKSYB104K50 CCSQCH101K50 CKSYB224K25 CKSQYB392K50 CKSQYB103K50 CKSQYB103K50 CKSYB104K50 CKSQYB103K50 CKSQYB334K16 CKSQYB472K50 CKSQYB683K16
RS1/10S222J RS1/10S222J RS1/10S472J RS1/10S473J RS1/10S473J RS1/10S473J RS1/10S473J RS1/10S473J RS1/10S473J RS1/10S473J
CAPACITORS C C 1901 1902 Unit Number : EWM1021 Unit Name : Deck Unit CEAL100M16 CKSQYB104K16
D
IC IC D
E
S EGN
ESG1004 EGN1005
MISCELLANEOUS 251 351 352 IC IC Diode CXA2559Q PA2020A 1SS355
F
EGN EGN
Unit Number : Unit Name : Reel PCB 2 3 Photo-Interrupter Photo-Interrupter EGN1006 EGN1006
RESISTORS R R R R R R R R R R R R R R R R R R R R R R R R R R R R R R R R R 255 256 257 258 271 272 273 274 281 282 283 284 285 286 287 290 301 302 303 304 305 323 351 352 353 354 355 362 373 374 401 402 403 RS1/16S221J RS1/16S221J RS1/16S102J RS1/16S102J RS1/16S102J RS1/16S102J RS1/16S102J RS1/16S102J RS1/8S0R0J RS1/8S0R0J RS1/8S0R0J RS1/8S0R0J RS1/16S0R0J RS1/16S0R0J RS1/8S0R0J RS1/8S0R0J RS1/16S183J RS1/16S163J RS1/16S163J RS1/16S163J RS1/16S163J RS1/8S0R0J RS1/16S102J RS1/16S102J RS1/16S102J RS1/16S102J RS1/10S274J RS1/8S181J RS1/8S0R0J RS1/8S0R0J RS1/16S472J RS1/16S163J RS1/16S823J
B
IC IC Q Q Q Q Q Q Q Q Q D D D D D D D L L L L L L L L L L L T
Unit Number : CWE1466(EW model) Unit Name : FM/AM Tuner Unit
MISCELLANEOUS 1 2 1 2 3 31 154 165 201 202 203 4 5 7 8 201 202 231 2 3 4 5 6 51 201 202 203 208 231 31 IC IC Transistor Transistor FET Transistor Transistor Transistor FET Transistor Transistor Diode Diode Diode Diode Diode Diode Diode Coil Inductor Coil Coil Inductor Ferri-Inductor Ferri-Inductor Ferri-Inductor Inductor Inductor Inductor Coil PA4023B PA4024A 2SC2412K DTC124EU 3SK263 2SC2412K DTC124EU 2SC2412K 2SK932 2SC2412K DTC124EU 1SV250 KV1410-F1 KV1410-F1 KV1410-F1 MA157 MA157 SVC253 CTC1133 LCTB2R2K2125 CTC1133 CTC1132 LCTBR15K1608 LAU150K LAU4R7K LAU330K CTF1287 LAU121K LCTA3R3J3225 CTE1116
CAPACITORS C C C C C 251 252 253 254 255 CKSRYB331K50 CKSRYB331K50 CKSRYB331K50 CKSRYB331K50 CKSRYB103K25
35
KEH-3830R,3800R,3820R
=====Circuit Symbol and No.===Part Name --- ----------------------------------------------T TC CF CF CF CF X X VR AR 51 1 51 52 53 232 151 231 154 1 Coil Trimmer Ceramic Filter Ceramic Filter Ceramic Filter Ceramic Filter Radiator 918.5Hz Crystal Resonator 10.26MHz Semi-fixed 150k(B) Capacitor with Discharge Gap
Part No. ------------------------CTC1136 CCL1046 CTF1442 CTF1442 CTF1442 CTF1348 CSS1365 CSS1111 CCP1213 DSP-201M
=====Circuit Symbol and No.===Part Name --- ----------------------------------------------R R R R R R 239 240 241 243 244 247
Part No. ------------------------RS1/16S104J RS1/16S332J RS1/16S202J RS1/16S123J RS1/16S103J RS1/16S123J
CAPACITORS C C C C C C C C C C C C C C C C C C C C C C C C C C C C C C C C C C C C C C C C C C C C C C C C C C C C C C C C C C C C 1 2 4 6 8 9 10 11 13 14 16 17 18 19 20 21 22 23 24 25 31 32 33 34 36 51 52 54 55 56 57 58 59 61 62 63 101 102 103 104 105 106 107 151 152 153 154 157 158 159 160 161 162 163 170 201 202 203 204 205 CCSQCH6R0D50 CCSRCK2R0C50 CCSRCH820J50 CCSRCH820J50 CKSRYB103K25 CKSQYB104K16 CCSRCKR50C50 CEJA1R0M50 CKSRYB222K50 CCSRCH220J50 CCSRCH8R0D50 CKSRYB222K50 CKSRYB103K25 CKSRYB222K50 CKSRYB222K50 CEJA100M16 CCSRTH9R0D50 CCSRTH120J50 CCSRCH471J50 CKSRYB103K25 CKSRYB103K25 CKSQYB472K50 CCSRCH5R0C50 CKSQYB104K16 CCSRRH201J50 CKSRYB223K25 CKSRYB103K25 CCSRCH470J50 CKSQYB223K25 CKSQYB104K16 CKSRYB472K50 CEJA330M10 CKSRYB103K25 CCSRCH270J50 CKSRYB103K25 CEJAR15M50 CEJANP100M10 CKSRYB182K50 CKSRYB682K25 CEJA2R2M50 CKSRYB103K25 CCSRCH151J50 CKSRYB103K25 CKSRYB472K50 CKSQYB104K16 CEJA3R3M50 CKSQYB104K16 CEJA3R3M50 CKSYB474K16 CEJA220M6R3 CKSQYB104K16 CKSQYB104K16 CEJA3R3M50 CKSRYB102K50 CCSRCH100D50 CCSRCH471J50 CCSRCH100D50 CKSRYB332K50 CKSQYB473K16 CKSQYB473K16
RESISTORS R R R R R R R R R R R R R R R R R R R R R R R R R R R R R R R R R R R R R R R R R R R R R R R R R R R R R R R 1 4 5 6 7 8 9 10 11 13 15 16 17 18 31 32 33 34 35 51 52 55 56 61 62 101 102 103 104 105 107 151 152 154 155 156 157 160 161 162 163 202 203 204 206 207 208 209 214 215 217 231 232 237 238 RS1/16S0R0J RS1/16S154J RS1/16S391J RS1/16S223J RS1/16S123J RS1/16S332J RS1/16S473J RS1/16S223J RS1/16S124J RS1/16S563J RS1/16S271J RS1/16S104J RS1/16S332J RS1/16S332J RS1/16S470J RS1/16S822J RS1/16S822J RS1/16S331J RS1/16S331J RS1/16S271J RS1/16S560J RS1/16S102J RS1/16S823J RS1/16S392J RS1/16S393J RS1/16S272J RS1/16S682J RS1/16S333J RS1/16S334J RS1/16S683J RS1/16S222J RS1/16S222J RS1/16S393J RS1/16S104J RS1/16S273J RS1/16S243J RS1/16S203J RS1/16S222J RS1/16S563J RS1/16S105J RS1/16S222J RS1/16S223J RS1/16S225J RS1/16S103J RS1/16S220J RS1/16S101J RS1/16S102J RS1/16S471J RS1/16S822J RS1/16S822J RS1/16S102J RS1/16S272J RS1/16S473J RS1/16S103J RS1/16S104J
36
KEH-3830R,3800R,3820R
=====Circuit Symbol and No.===Part Name --- ----------------------------------------------C C C C C C C C C C C C C C C C C C C C C C C C C C C 206 207 209 211 212 213 216 217 219 220 230 231 232 233 234 235 236 237 239 240 241 242 243 244 245 246 250 Unit Number : CWE1470(GR model) Unit Name : FM/AM Tuner Unit
Part No. ------------------------CKSQYB104K16 CCSRCH560J50 CKSQYB104K16 CCSRCH101J50 CEJA470M6R3 CKSRYB103K25 CCSRCH101J50 CEJA1R5M50 CCSRCH471J50 CKSRYB103K25 CKSRYB103K25 CCSRCH330J50 CCSRCH150J50 CKSQYB104K16 CEJA330M10 CKSRYB332K50 CKSQYB473K16 CCSRCH120J50 CKSRYB472K50 CEJAR47M50 CKSQYB104K16 CEJAR47M50 CEJAR33M50 CKSQYB473K16 CKSRYB123K25 CKSQYB473K16 CCSRCH471J50
=====Circuit Symbol and No.===Part Name --- ----------------------------------------------R R R R R R R R R R R R R R R R R R R R R R R R R R R R R R R R R R R R 8 9 10 11 13 15 16 17 18 31 32 33 34 35 51 52 55 56 61 62 101 102 103 104 105 107 151 152 154 155 156 157 160 161 162 163
Part No. ------------------------RS1/16S332J RS1/16S473J RS1/16S223J RS1/16S124J RS1/16S563J RS1/16S271J RS1/16S104J RS1/16S332J RS1/16S332J RS1/16S470J RS1/16S822J RS1/16S822J RS1/16S331J RS1/16S331J RS1/16S271J RS1/16S560J RS1/16S102J RS1/16S823J RS1/16S392J RS1/16S393J RS1/16S272J RS1/16S682J RS1/16S333J RS1/16S334J RS1/16S683J RS1/16S222J RS1/16S222J RS1/16S393J RS1/16S104J RS1/16S273J RS1/16S243J RS1/16S203J RS1/16S222J RS1/16S563J RS1/16S105J RS1/16S222J
B
IC IC Q Q Q Q Q Q D D D D L L L L L L T T TC CF CF CF X X VR AR
MISCELLANEOUS 1 2 1 2 3 31 154 165 4 5 7 8 2 3 4 5 6 51 31 51 1 51 52 53 151 231 154 1 IC IC Transistor Transistor FET Transistor Transistor Transistor Diode Diode Diode Diode Coil Inductor Coil Coil Inductor Ferri-Inductor Coil Coil Trimmer Ceramic Filter Ceramic Filter Ceramic Filter Radiator 918.5Hz Crystal Resonator 10.26MHz Semi-fixed 150k(B) Capacitor with Discharge Gap PA4023B PA4024A 2SC2412K DTC124EU 3SK263 2SC2412K DTC124EU 2SC2412K 1SV250 KV1410-F1 KV1410-F1 KV1410-F1 CTC1133 LCTB2R2K2125 CTC1133 CTC1132 LCTBR15K1608 LAU150K CTE1117 CTC1136 CCL1046 CTF1442 CTF1442 CTF1442 CSS1365 CSS1111 CCP1213 DSP-201M
CAPACITORS C C C C C C C C C C C C C C C C C C C C C C C C C 1 2 4 6 8 9 10 11 13 14 16 17 18 19 20 21 22 23 24 25 31 32 33 34 36 CCSQCH6R0D50 CCSRCK2R0C50 CCSRCH820J50 CCSRCH820J50 CKSRYB103K25 CKSQYB104K16 CCSRCKR50C50 CEJA1R0M50 CKSRYB222K50 CCSRCH220J50 CCSRCH8R0D50 CKSRYB222K50 CKSRYB103K25 CKSRYB222K50 CKSRYB222K50 CEJA100M16 CCSRTH9R0D50 CCSRTH120J50 CCSRCH471J50 CKSRYB103K25 CKSRYB103K25 CKSQYB472K50 CCSRCH5R0C50 CKSQYB104K16 CCSRRH201J50
RESISTORS R R R R R 1 4 5 6 7 RS1/16S0R0J RS1/16S154J RS1/16S391J RS1/16S223J RS1/16S123J
37
KEH-3830R,3800R,3820R
=====Circuit Symbol and No.===Part Name --- ----------------------------------------------C C C C C C C C C C C C C C C C C C C C C C C C C C C C C C 51 52 54 55 56 57 58 59 61 62 63 101 102 103 104 105 106 107 151 152 153 154 157 158 159 160 161 162 163 170
Part No. ------------------------CKSRYB223K25 CKSRYB103K25 CCSRCH470J50 CKSQYB223K25 CKSQYB104K16 CKSRYB472K50 CEJA330M10 CKSRYB103K25 CCSRCH270J50 CKSRYB103K25 CEJAR15M50 CEJANP100M10 CKSRYB182K50 CKSRYB682K25 CEJA2R2M50 CKSRYB103K25 CCSRCH151J50 CKSRYB103K25 CKSRYB472K50 CKSQYB104K16 CEJA3R3M50 CKSQYB104K16 CEJA3R3M50 CKSYB474K16 CEJA220M6R3 CKSQYB104K16 CKSQYB104K16 CEJA3R3M50 CKSRYB102K50 CCSRCH100D50
Miscellaneous Parts List M M HD 1 2 1 Motor Unit (Main) Motor Unit (Sub) Head Assy Fuse(10A) EXA1490 EXA1485 EXA1506 CEK1136
38
KEH-3830R,3800R,3820R
6. ADJUSTMENT
- Connection Diagram
BACK UP ACC GND
+14.4V GND
DC Regulated Power Supply
Lch + Lch Rch + Rch -
4
mV Meter(1)
4
Oscilloscope
Antenna Plug
Dummy Antenna 50 (37.5 )
FM SSG
50 (75 )
Stereo Modulator
FM/AM TUNER UNIT (TOP VIEW)
Antenna Jack
L2
Pin26
TUNER AMP UNIT
Pin 19
TC1 L4 T31
FM/AM TUNER UNIT
Pin14
DC V Meter(1)
DECK UNIT
L5
Pin13
VR401
SIDE B
Q402 EMITTER
DC V Meter(2)
VR154 T51
Pin1
FM/AM TUNER UNIT (BOTTOM VIEW)
T51
Center Meter
C63
39
KEH-3830R,3800R,3820R
FM ADJUSTMENT
Modulation M:MONO MOD., 400Hz 30%(22.5kHz Dev.) or 400Hz 100%(75kHz Dev.) S:STEREO MOD., 1kHz, L or R=30%(20.25kHz+7.5kHz Dev.) NOTE:Before proceeding to further adjustments after switching power ON, let the tuner run for ten minutes to allow the circuits to stabilize. FM SSG No.
TUN Volt 1 Frequency(MHz)
Displayed Level(dBf) ····· 60--100 5 5 60--80
Frequency(MHz)
IF
2 ANT Coil 3 RF Coil 4 RF 5 Trimmer 6 IFT 7 ARC 8
····· 98.1 98.1 98.1 129.3
M M M M
108.0 98.1 98.1 98.1 107.9
Adjustment Point L5 T51 L2 L4 TC1
Adjustment Method (Switch Position) DC V Meter(1) : 6V Center Meter : 0 mV Meter(1) : Maximum mV Meter(1) : Maximum mV Meter(1) : Minimum
RF Coil and RF Trimmer shall be adjusted twice or more 98.1 M 5 98.1 T31 98.1 S 40 98.1 VR154
mV Meter(1) : Maximum (STEREO MODE) mV Meter(1) : Separation 5dB (STEREO MODE)
RDS SL ADJUSTMENT
FM SSG No. 1
Frequency(MHz)
Displayed Level(dBf) 35
Frequency(MHz)
104.0 S
104.0
Adjustment Point VR401
Adjustment Method (Switch Position) DC V Meter(2) : 1.75V+0.05,-0.35
40
KEH-3830R,3800R,3820R
7. GENERAL INFORMATION
7.1 PARTS 7.1.1 IC
CXA2559Q
41
KEH-3830R,3800R,3820R
- Pin Functions(PD4974A)
Pin No. 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 1618 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 Pin Name ASENBO l/S ADPW AVSS swvdd st AVREF1 KYDT DPDT NC TUNPDI TUNPDO TUNPCK TUNPCE currrq NC RECIVE DILM EORR VST VCK VDT LCDPW ILMPW DRSENS DRSYS FM AM CM NC VSS SC2 SC1 MSIN RIMUTE mtlsw dled n/R PLAY loadsw POS RES PEE NES RDS57K STBY SK drst tmute mdsens SD mute SYSPW TX RX RDSLK RDT RESET ldet I/O O O O O I I O I O O O O O O O O O O O O I O O O O Format C C C C Function and Operation Slave power supply control output RDS time constant control output A/D converter power GND Grille power supply control output FM stereo input D/A converter standard voltage Grille MicroComputer data input Grille MicroComputer data output Not used PLL IC data input PLL IC data output PLL IC clock output PLL IC chip enable output Tuner voltage FIX output Not used During RDS data reception output DILM output Correct RDS error output Strobe pulse output for electronic volume Clock output for electronic volume Data output for electronic volume LCD back light power supply control output Illumination power supply control output Door open/close sense input Door system select output FM power control output AM power control output Cassette mechanism capstan motor control output Not used GND Cassette mechanism sub motor control output Cassette mechanism sub motor control output Cassette mechanism MS sense input RI output port Metal sense input Alarm LED output Normal reverse output Tape MS filter select output Tape loading input Cassette mechanism position sense input Cassette mechanism reverse end sense input Beep tone output Cassette mechanism forward end sense input 57kHzBP-OUT sense input Stand-by output SK signal input Decoder reset output Tuner mute output Modulation detect input SD input Mute output System power supply control output IP BUS data output IP BUS data input RDS LK signal input RDS data input Reset input PLL lock sense input
C
C C C C C C C C C C C C C C C C
O O I O I O O O I I I O I I O I O O I I O O O I I I I I
C C N N C
C
C C C
C C C
42
KEH-3830R,3800R,3820R
Pin No. 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 77 78 79 80 *PD4974A 80 1
Pin Name rck dsens TELIN asens bsens NC VDD X2 X1 IC XT2 TESTIN AVDD AVREF0 SL CL NL MODELIN ALMUTE
I/O I I I I I
Format
O I
I I I I I I O
C
Function and Operation RDS clock input Grille detach sense input Cellular mute input ACC power sense input Back up power sense input Not used VDD Oscillator output Oscillator input Connect to GND Sub Clock terminal Test program mode input A/D converter analog power supply (VDD) A/D converter standard voltage input Signal level input Synchronizing signal input of display data latch Noise level input Model select input Mute output for Detach alarm
61
60
Format C N
Meaning C MOS N Channel open drain
IC's marked by* are MOS type. Be careful in handling them because they are very liable to be damaged by electrostatic induction.
20 21 *PD6278A 32 40
41
33
17 16
48 49 64
1
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KEH-3830R,3800R,3820R
- Pin Functions (PD6278A)
Pin No. 1-5 6-9 10 11-14 15,16 17 18 19 20 21 22 23 24 25,26 27,28 29-55 56 57-64 Pin Name SEG4-0 COM3-0 V3 KS4-1 KD1,2 REM RXD rst TXD MODA X0 X1 VSS KD3,4 KS6,5 SEG39-13 VCC SEG12-5 I/O O O O I I I I O Function and Operation LCD segment output LCD common output LCD drive power supply Key strobe output Key data input (analogue input) Remote control reception System micro computer UART communication data input System reset System micro computer UART communication data output GND Crystal oscillator connection pin Crystal oscillator connection pin GND Key data input Key strobe output LLCD segment output Power supply LCD segment output
I O O O
PML003AM
LoudAGND out_R 22 21 Frontout_R 19 Rearout_R FIE_R 18 17
VCC 28
IN1_R 27
IN2_R 26
IN3_R IN4+_R IN4-_R 23 25 24 Isolator circuit
SVin_R 20
STB 16
DATA 15
FIE Anti Alias filter Primary volume Anti radiation filter Loudness volume Bass Fader volume Secondary volume
Treble Middle
Auto-Zero
Zero cross detect circuit Digital block
Auto-Zero
Primary volume
Middle
Bass
Treble Loudness volume Anti radiation filter
Zero cross detect circuit
Anti Alias filter Isolator circuit 1 Vref 2 IN1_L 3 IN2_L 4 IN3_L 5 6
Fader volume FIE
Secondary volume
7
8
9
10
11
12
13 DGND
14 CLK
IN4+_L IN4-_L
AGND Loudout_L
SVin_L Frontout_L
Rear- FIE_L out_L
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KEH-3830R,3800R,3820R
7.1.2 DISPLAY
- CAW1542
SEGMENT
COMMON
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KEH-3830R,3800R,3820R
7.2 DISASSEMBLY
- Removing the Case(not shown) 1. Remove the two screws. 2. Remove the Case. - Removing the Cassette Mechanism Module
(not shown)
1. Remove the four screws. 2.Disconnect the connector, and then removing the Cassette Mechanism Module. - Removing the Panel Unit(Fig.1) Remove the two screws.
Disengage the stopper at two locations indicated and remove the Panel Unit.
Panel Unit
Fig.1
- Removing the Tuner Amp Unit(Fig.2) Removing the two screws.
Tuner Amp Unit
Removing the three screws.
Removing the screw.
Unbend the tabs at three locations indicated by arrow until straight. Remove the Tuner Amp Unit.
Fig.2
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KEH-3830R,3800R,3820R
7.3 BLOCK DIAGRAM
- KEH-3830R/X1M/EW
A B
D
E
C
F
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KEH-3830R,3800R,3820R
8. OPERATIONS AND SPECIFICATIONS
9. Yellow/black If you use a cellular telephone, connect it via the Audio Mute lead on the cellular telephone. If not, keep the Audio Mute lead free of any connections. 1. This Product
2. Antenna jack 4. To electric terminal controlled by ignition switch (12 V DC) ON/OFF. 6. To terminal always supplied with power regardless of ignition switch position. 8. To vehicle (metal) body. 3. Red
10. Fuse 12. To Auto-antenna relay control terminal. (Max. 300 mA 12 V DC.) 11. Blue/white
5. Yellow
7. Black (ground)
13. Left speaker + 15. Front 18. White/black 17. White
14. Right speaker 19. Gray + 15. Front 20. Gray/black
+ 16. Rear
21. Green
23. Violet
+ 16. Rear
22. Green/black
24. Violet/black
25. With a 2 speaker system, do not connect anything to the speaker leads that are not connected to speakers. 26.
CAUTION
· Cords for this product and those for other products may be different colors even if they have the same function. When connecting this product to another product, refer to the supplied Installation manuals of both products and connect cords that have the same function.
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Key Finder Basic Operation
To Listen to Music
LOCAL/BSM button BAND button
Head Unit
The following explains the initial operations required before you can listen to music. Note:
· Loading a cassette in this product.
REG button
5//2/3 buttons
8.1. OPERATIONS
EJECT button Cassette door
1. Select the desired source (e.g. Tuner).
EQ button
Each press changes the Source ...
Buttons 16 TA/AF button Detach button
Each press of the SOURCE/OFF button selects the desired source in the following order: Tuner = Tape Note:
· The sound source will not change when a cassette tape is not set in this unit.
SOURCE/OFF button PTY button AUDIO button
+/ button
2. Raise or lower the volume.
3. Turn the source OFF.
Hold for 1 second or more
KEH-3830R,3800R,3820R
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Basic Operation
Basic Operation of Cassette Player
KEH-3830R,3800R,3820R
50
Basic Operation of Tuner
This product's AF function can be switched ON and OFF. AF should be switched OFF for normal tuning operations.
Manual and Seek Tuning Fast Forward/Rewind and Music Search
· You can select the tuning method by changing the length of time you press the 2/3 button.
0.5 seconds or less 0.5 seconds or more
· Each press of the 3 button selects Fast forward or Forward-Music Search.
FF (Fast forward) = F-MS (Forward-Music Search) = Normal Playback
Manual Tuning (step by step)
Seek Tuning
· Each press of the 2 button selects Rewind or Rewind-Music Search.
REW (Rewind) = R-MS (Rewind-Music Search) = Normal Playback Note:
· Fast forward/Rewind and Music Search can be canceled by pressing the BAND button.
Note:
· If you continue pressing the button for longer than 0.5 seconds, you can skip broadcast stations. Seek Tuning starts as soon as you stop pressing the button.
Note:
· "
" stereo indicator lights when a stereo station is selected.
Frequency Indicator Cassette Loading Slot
Band Indicator
Preset Number Indicator Direction Indicator Direction Change
Preset Tuning Band
FI (FM1) = FII (FM2) = MW/LW
· You can memorize broadcast stations in buttons 1 through 6 for easy, one-touch station recall.
2 seconds or less 2 seconds or more
Eject
Note:
· The Tape function can be turned ON/OFF with the cassette tape remaining in this product.
Preset station recall
Broadcast station preset memory
Note:
· Up to 12 FM stations (6 in FI (FM1) and FII (FM2)) and 6 MW/LW stations can be stored in memory. · You can also use the 5 or buttons to recall broadcast stations memorized in buttons 1 through 6.
KEH-3830R,3800R,3820R
8.2. SPECIFICATIONS
General
Power source .......... 14.4 V DC (10.8 15.1 V allowable) Grounding system ........................................ Negative type Max. current consumption ........................................ 8.5 A Dimensions (mounting size) ...... 178 (W) × 50 (H) × 155 (D) mm (front face) .............. 188 (W) × 58 (H) × 19 (D) mm Weight ...................................................................... 1.2 kg
FM tuner
Frequency range ...................................... 87.5 108 MHz Usable sensitivity .................. 11 dBf (1.0 µV/75 , mono, S/N: 30 dB) 50 dB quieting sensitivity .... 16 dBf (1.7 µV/75 , mono) Signal-to-noise ratio ...................... 70 dB (IEC-A network) Distortion .......................... 0.3% (at 65 dBf, 1 kHz, stereo) Frequency response ...................... 30 15,000 Hz (±3 dB) Stereo separation .......................... 40 dB (at 65 dBf, 1 kHz)
Amplifier
Maximum power output ...................................... 40 W × 4 Continuous power output .................................... 22 W × 4 (DIN45324, +B = 14.4 V) Load impedance .......................... 4 (4 8 allowable) Equalizer (3 band equalizer) (Low) .............................................................. ±12 dB (Mid) .............................................................. ±12 dB (High) .............................................................. ±12 dB Loudness contour (Low) ..................+3.5 dB (100 Hz), +3 dB (10 kHz) (Mid) ..................+10 dB (100 Hz), +6.5 dB (10 kHz) (High) ..................+11 dB (100 Hz), +11 dB (10 kHz) (volume: 30 dB)
MW tuner(EWmodel)
Frequency range ...................................... 531 1,602 kHz Usable sensitivity .............................. 18 µV (S/N: 20 dB) Selectivity .................................................. 50 dB (±9 kHz)
LW tuner(EWmodel)
Frequency range ........................................ 153 281 kHz Usable sensitivity .............................. 30 µV (S/N: 20 dB) Selectivity .................................................. 50 dB (±9 kHz)
Cassette player
Tape ........................ Compact cassette tape (C-30 C-90) Tape speed ........ 4.76 cm/sec.(+0.14cm/sec.,-0.05cm/sec.) Fast forward/rewinding time .... Approx. 100 sec. for C-60 Wow & flutter .......................................... 0.09% (WRMS) Frequency response .......... Metal: 30 16,000 Hz (±3 dB) Stereo separation ...................................................... 45 dB Signal-to-noise ratio...................... 61 dB (IEC-A network)
Note:
· Specifications and the design are subject to possible modification without notice due to improvements.
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