Aiwa CTR-432-M Service manual

CT-R432M

YZ(S)

CT-R432M

SERVICE MANUAL

STEREO CAR CASSETTE RECEIVER

• This Service Manual is the “Revision Publishing” and replaces “Simple Manual”
(S/M Code No. 09-023-455-8T1).

BASIC TAPE MECHANISM : CDS-363AG1-A

S/M Code No. 09-025-455-8R1

REVISION

DATA

SPECIFICATIONS -1/1

RADIO SECTION

(FM)
Frequency Range: 87.5 MHz – 108 MHz
Usable Sensitivity: 12.7 dBf
50 dB Quieting Sensitivity: 17.2 dBf
IF Rejection: 100 dB
Frequency Response: 30 Hz – 15,000 Hz
S/N Ratio: 67 dB
Stereo Separation: 35 dB at 1 kHz
Alternate Channel Selectivity: 98 dB
Capture Ratio: 3 dB
(MW)
Frequency Range: 531 kHz – 1,602 kHz
Usable Sensitivity: 30 µV (30 dB)
(LW)
Frequency Range: 144 kHz – 288kHz(1-kHz/9-kHz steps)
Usable Sensitivity: 30 µV (30 dB)

TAPE SECTION

Tape Speed: 4.8 cm/sec. (17/8 ips)
S/N Ratio: 50 dB
Frequency Response: 40 Hz – 14,000 Hz
Stereo Separation: 40 dB

AUDIO SECTION

Max. Power Output: 40 W x 4 channels

AUX input

Input Sensitivity (load impedance) AUX: 300 mV (10 kΩ)

GENERAL

Power-Supply Voltage: 14.4 V (11 to 16 V allowable),

DC, negative ground

Load Impedance: 4 Ω
Tone Control: Bass ± 10 dB at 100 Hz, Treble ± 10 dB at 10 kHz
Preamp Output Voltage (load impedance): 2.2 V (10 kΩ)
Installated Size: 182 (W) x 53 (H) x 155 (D) mm

(71/4 (W) x 21/8 (H) x 61/8 (D) inches)

Design and specifications are subject to change without

•

notice

.

-2-

ACCESSORIES PARTS LIST -1/1

! = ! SAFTY PARTS
C = Components marked

UNIT-NAME ! C REF-NO PARTS-NO PARTS-NAME SUFFIX&MODEL

CT-R432M
YZSF
O AS1001 87-253-032-410 U+2-3 BLK a
O AS1002 87-B10-141-010 NUT,5 TYPE-2 a
O AS1003 87-B10-144-010 W,5.2-10-0.5 a
O AS1004 87-B10-145-010 W-SPR,5.3-8.5-1.5 a
O AS1005 8C-KCG-060-110 CASE,DFP C BLK a
O AS1006 8Z-KC1-231-110 HLDR,HALF -C a
O AS1007 8Z-KC1-232-010 KEY,REMOVE -C a
O AS1008 8Z-KC1-235-010 HLDR,REAR MTG a
O AS1009 87-B10-143-010 UT1+5-15 W/O SLOT a
O AS1010 8Z-KC1-244-010 S-SCREW,5*6 TH+ TAPPING ST a

O AS1011 8Z-KC1-250-010 S-SCREW,HEXAGON a
X AS1012 87-B50-079-010 LIST,FACILITY(B)-0007 a
O AS1013 8C-KCG-913-010 IB,INST YZ,YV (9L,R)F a
O AS1014 8C-KTA-905-010 IB,YZ(9L)F R432M a

All components used on this model at the production line are shown in this service manual.
However, please note that not all components will be available as spare part s for after-sales service.
Components marked S and O are designated as spare parts for service and will be stocked at the spare parts centers.
Components marked X and R are not designated as spare parts for after sales service, and will not be stocked at the spare parts centers.

-3-

ELECTRICAL PARTS LIST -1/7

! = ! SAFTY PARTS
C = Components marked

UNIT-NAME ! C REF-NO PARTS-NO PARTS-NAME SUFFIX&MODEL

CT-R432M
YZSF
AUX O J 0601 85-HRL-623-010 JACK,3.5 BLK ST BLK a
AUX O W 0601 8A-KC7-611-010 F-CABLE,3P (AUX) a
FRONT O C 0601 87-012-272-080 C-CAP,U 680P-50 K B GRM a
FRONT O C 0602 87-A10-504-080 C-CAP,U 0.047-16 K B a
FRONT O C 0603 87-A10-504-080 C-CAP,U 0.047-16 K B a
FRONT O C 0604 87-A10-504-080 C-CAP,U 0.047-16 K B a
FRONT O C 0605 87-A10-504-080 C-CAP,U 0.047-16 K B a
FRONT O CN 0601 88-KTA-602-010 C-CONN,15P CAM-B67 a
FRONT S D 0601 87-A40-817-040 C-ZENER,STZ6.8N a
FRONT S D 0602 87-A40-817-040 C-ZENER,STZ6.8N a

FRONT S IC 0601 88-KT1-608-010 C-IC,LC75854W a
FRONT O LCD0601 8C-KTF-610-010 LCD,CKT-10/15 a
FRONT O LED0601 87-A91-355-040 C-LED,BR1112H-TR-RED a
FRONT O LED0602 87-A91-355-040 C-LED,BR1112H-TR-RED a
FRONT O LED0604 87-A41-118-040 C-LED,SEC1E01C-1 BLU a
FRONT O LED0605 87-A41-118-040 C-LED,SEC1E01C-1 BLU a
FRONT O LED0606 87-A41-118-040 C-LED,SEC1E01C-1 BLU a
FRONT O LED0610 87-A41-085-010 LED,NSPW315BS WHT a
FRONT S Q 0601 89-324-122-040 C-TR,2SC2412KR a
FRONT S Q 0603 89-324-122-040 C-TR,2SC2412KR a

CT-R432M
YZSF
FRONT O R 0601 88-108-103-080 C-RES,U 10K-1/16W J a
FRONT O R 0602 88-108-102-080 C-RES,U 1K-1/16W J a
FRONT O R 0603 88-108-102-080 C-RES,U 1K-1/16W J a
FRONT O R 0604 88-108-102-080 C-RES,U 1K-1/16W J a
FRONT O R 0605 88-108-102-080 C-RES,U 1K-1/16W J a
FRONT X R 0606 88-108-104-080 C-RES,U 100K-1/16W J a
FRONT X R 0607 88-108-104-080 C-RES,U 100K-1/16W J a
FRONT X R 0608 88-108-392-080 C-RES,U 3.9K-1/16W J a
FRONT O R 0609 88-108-101-080 C-RES,U 100-1/16W J a
FRONT O R 0610 88-108-101-080 C-RES,U 100-1/16W J a

FRONT O R 0611 88-108-101-080 C-RES,U 100-1/16W J a
FRONT X R 0612 88-108-683-080 C-RES,U 68K-1/16W J a
FRONT X R 0613 88-108-471-080 C-RES,U 470-1/16W J a
FRONT X R 0614 88-108-331-080 C-RES,U 330-1/16W J a
FRONT X R 0615 88-108-152-080 C-RES,U 1.5K-1/16W J a
FRONT X R 0616 88-108-682-080 C-RES,U 6.8K-1/16W J a
FRONT X R 0617 88-108-391-080 C-RES,U 390-1/16W J a
FRONT X R 0618 88-108-391-080 C-RES,U 390-1/16W J a
FRONT X R 0619 88-108-391-080 C-RES,U 390-1/16W J a
FRONT O R 0624 88-108-102-080 C-RES,U 1K-1/16W J a

CT-R432M
YZSF
FRONT X R 0625 88-108-682-080 C-RES,U 6.8K-1/16W J a
FRONT O SW 0601 87-A91-987-080 SW,TACT SKQCAB a
FRONT O SW 0602 87-A90-164-080 SW,TACT SKQNAB(N) a
FRONT O SW 0603 87-036-339-080 C-SW,TACT SKQM a
FRONT O SW 0604 87-A90-164-080 SW,TACT SKQNAB(N) a
FRONT O SW 0605 87-A91-987-080 SW,TACT SKQCAB a
FRONT O SW 0606 87-A90-164-080 SW,TACT SKQNAB(N) a
FRONT O SW 0607 87-A91-987-080 SW,TACT SKQCAB a
FRONT O SW 0608 87-A90-164-080 SW,TACT SKQNAB(N) a
FRONT O SW 0609 87-A91-987-080 SW,TACT SKQCAB a

FRONT O SW 0610 87-036-339-080 C-SW,TACT SKQM a
FRONT O SW 0611 87-A90-164-080 SW,TACT SKQNAB(N) a
FRONT O SW 0612 87-A90-164-080 SW,TACT SKQNAB(N) a
FRONT O SW 0613 87-A91-987-080 SW,TACT SKQCAB a
FRONT O SW 0614 87-A91-987-080 SW,TACT SKQCAB a
FRONT O SW 0615 87-A90-164-080 SW,TACT SKQNAB(N) a
FRONT O SW 0616 87-A91-987-080 SW,TACT SKQCAB a
FRONT O SW 0621 87-A92-329-010 SW,RTRY SRP-1211VD a
HEAD O CNA0201 8Z-KTG-651-010 CONN ASSY,3P HEAD a
HEAD O CNA0202 8Z-KTG-652-010 CONN ASSY,8P MOTOR a

CT-R432M
YZSF
MAIN O ANT0101 8Z-KT1-614-010 ANT,AW-002 a
MAIN O C 0101 87-012-195-080 C-CAP,U 100P-50 J CH GRM a
MAIN O C 0102 87-012-286-080 C-CAP,U 0.01-25 K B GRM a
MAIN O C 0103 87-012-282-080 C-CAP,U 4700P-50 K B GRM a
MAIN O C 0104 87-010-379-040 CAP,E 22-16 M 11L SME a
MAIN O C 0105 87-010-787-080 C-CAP,U 0.022-25 K B GRM a
MAIN O C 0106 87-010-553-040 CAP,E 47-16 M 5L SRE a
MAIN O C 0108 87-010-194-080 C-CAP,S 0.047-25 Z F a
MAIN O C 0109 87-012-286-080 C-CAP,U 0.01-25 K B GRM a
MAIN O C 0110 87-010-759-080 C-CAP,U 0.1-25 Z F CM/CB a

MAIN O C 0111 87-012-286-080 C-CAP,U 0.01-25 K B GRM a
MAIN O C 0113 87-010-759-080 C-CAP,U 0.1-25 Z F CM/CB a
MAIN O C 0114 87-010-787-080 C-CAP,U 0.022-25 K B GRM a
MAIN O C 0115 87-012-286-080 C-CAP,U 0.01-25 K B GRM a
MAIN O C 0116 87-010-495-040 CAP,E 2.2-50 M 5L SRE a
MAIN O C 0117 87-012-282-080 C-CAP,U 4700P-50 K B GRM a
MAIN O C 0118 87-010-067-040 CAP,E 0.1-50 M 5L SRE a
MAIN O C 0119 87-012-286-080 C-CAP,U 0.01-25 K B GRM a
MAIN O C 0121 87-010-786-080 C-CAP,U 0.018-25 K B GRM a
MAIN O C 0122 87-010-786-080 C-CAP,U 0.018-25 K B GRM a

All components used on this model at the production line are shown in this service manual.
However, please note that not all components will be available as spare part s for after-sales service.
Components marked S and O are designated as spare parts for service and will be stocked at the spare parts centers.
Components marked X and R are not designated as spare parts for after sales service, and will not be stocked at the spare parts centers.

-4-

ELECTRICAL PARTS LIST -2/7

! = ! SAFTY PARTS
C = Components marked

UNIT-NAME ! C REF-NO PARTS-NO PARTS-NAME SUFFIX&MODEL

CT-R432M
YZSF
MAIN O C 0123 87-016-526-080 C-CAP,S 0.47-16 BK a
MAIN O C 0124 87-016-526-080 C-CAP,S 0.47-16 BK a
MAIN O C 0151 87-012-183-080 C-CAP,U 30P-50 J CH GRM a
MAIN O C 0152 87-012-182-080 C-CAP,U 27P-50 J CH GRM a
MAIN O C 0153 87-010-495-040 CAP,E 2.2-50 M 5L SRE a
MAIN O C 0154 87-012-336-080 C-CAP,U 330P-50 J SL GRM a
MAIN O C 0155 87-012-271-080 C-CAP,U 560P-50 K B GRM a
MAIN O C 0156 87-010-759-080 C-CAP,U 0.1-25 Z F CM/CB a
MAIN O C 0201 87-012-274-080 C-CAP,U 1000P-50 K B GRM a
MAIN O C 0202 87-012-274-080 C-CAP,U 1000P-50 K B GRM a

MAIN O C 0203 87-010-498-040 CAP,E 10-16 M 5L SRE a
MAIN O C 0204 87-010-498-040 CAP,E 10-16 M 5L SRE a
MAIN O C 0205 87-010-263-040 CAP,E 100-10 M 11L SME a
MAIN O C 0206 87-010-263-040 CAP,E 100-10 M 11L SME a
MAIN O C 0207 87-010-787-080 C-CAP,U 0.022-25 K B GRM a
MAIN O C 0208 87-010-787-080 C-CAP,U 0.022-25 K B GRM a
MAIN O C 0209 87-010-494-040 CAP,E 1-50 M 5L SRE a
MAIN O C 0210 87-010-494-040 CAP,E 1-50 M 5L SRE a
MAIN O C 0211 87-010-263-040 CAP,E 100-10 M 11L SME a
MAIN O C 0212 87-010-759-080 C-CAP,U 0.1-25 Z F CM/CB a

CT-R432M
YZSF
MAIN O C 0213 87-010-380-040 CAP,E 47-16 M 11L SME a
MAIN O C 0401 87-010-494-040 CAP,E 1-50 M 5L SRE a
MAIN O C 0402 87-010-494-040 CAP,E 1-50 M 5L SRE a
MAIN O C 0403 87-010-805-080 C-CAP,S 1-16 Z F GRM a
MAIN O C 0404 87-010-805-080 C-CAP,S 1-16 Z F GRM a
MAIN O C 0405 87-012-280-080 C-CAP,U 3300P-50 K B GRM a
MAIN O C 0406 87-012-280-080 C-CAP,U 3300P-50 K B GRM a
MAIN O C 0407 87-010-787-080 C-CAP,U 0.022-25 K B GRM a
MAIN O C 0408 87-010-787-080 C-CAP,U 0.022-25 K B GRM a
MAIN O C 0409 87-010-498-040 CAP,E 10-16 M 5L SRE a

MAIN O C 0410 87-010-498-040 CAP,E 10-16 M 5L SRE a
MAIN O C 0411 87-016-083-080 C-CAP,S 0.15-16 K R a
MAIN O C 0412 87-016-083-080 C-CAP,S 0.15-16 K R a
MAIN O C 0413 87-016-083-080 C-CAP,S 0.15-16 K R a
MAIN O C 0414 87-016-083-080 C-CAP,S 0.15-16 K R a
MAIN O C 0415 87-010-498-040 CAP,E 10-16 M 5L SRE a
MAIN O C 0416 87-010-498-040 CAP,E 10-16 M 5L SRE a
MAIN O C 0417 87-010-497-040 CAP,E 4.7-35 M 5L SRE a
MAIN O C 0418 87-010-404-040 CAP,E 4.7-50 M 11L SME a
MAIN O C 0419 87-010-404-040 CAP,E 4.7-50 M 11L SME a

CT-R432M
YZSF
MAIN O C 0420 87-010-497-040 CAP,E 4.7-35 M 5L SRE a
MAIN O C 0423 87-010-787-080 C-CAP,U 0.022-25 K B GRM a
MAIN O C 0424 87-010-555-040 CAP,E 100-10 M 5L SRE a
MAIN O C 0425 87-010-759-080 C-CAP,U 0.1-25 Z F CM/CB a
MAIN O C 0426 87-010-379-040 CAP,E 22-16 M 11L SME a
MAIN O C 0427 87-010-759-080 C-CAP,U 0.1-25 Z F CM/CB a
MAIN O C 0428 87-010-759-080 C-CAP,U 0.1-25 Z F CM/CB a
MAIN O C 0429 87-010-759-080 C-CAP,U 0.1-25 Z F CM/CB a
MAIN O C 0430 87-012-286-080 C-CAP,U 0.01-25 K B GRM a
MAIN O C 0431 87-010-494-040 CAP,E 1-50 M 5L SRE a

MAIN O C 0432 87-010-378-040 CAP,E 10-16 M 11L SME a
MAIN O C 0433 87-010-378-040 CAP,E 10-16 M 11L SME a
MAIN O C 0434 87-012-270-080 C-CAP,U 470P-50 K B GRM a
MAIN O C 0435 87-012-270-080 C-CAP,U 470P-50 K B GRM a
MAIN O C 0501 87-016-526-080 C-CAP,S 0.47-16 BK a
MAIN O C 0502 87-016-526-080 C-CAP,S 0.47-16 BK a
MAIN O C 0503 87-016-526-080 C-CAP,S 0.47-16 BK a
MAIN O C 0504 87-016-526-080 C-CAP,S 0.47-16 BK a
MAIN O C 0505 87-012-273-080 C-CAP,U 820P-50 K B GRM a
MAIN O C 0506 87-012-273-080 C-CAP,U 820P-50 K B GRM a

CT-R432M
YZSF
MAIN O C 0507 87-012-273-080 C-CAP,U 820P-50 K B GRM a
MAIN O C 0508 87-012-273-080 C-CAP,U 820P-50 K B GRM a
MAIN O C 0509 87-010-378-040 CAP,E 10-16 M 11L SME a
MAIN O C 0510 87-010-379-040 CAP,E 22-16 M 11L SME a
MAIN O C 0511 87-010-544-040 CAP,E 0.1-50 M 11L SME a
MAIN O C 0512 87-010-759-080 C-CAP,U 0.1-25 Z F CM/CB a
MAIN O C 0513 8A-KC7-623-000 CAP,E 2200-16 125 BT a
MAIN O C 0514 87-012-278-080 C-CAP,U 2200P-50 K B GRM a
MAIN O C 0701 87-010-494-040 CAP,E 1-50 M 5L SRE a
MAIN O C 0702 87-010-494-040 CAP,E 1-50 M 5L SRE a

MAIN O C 0705 87-012-286-080 C-CAP,U 0.01-25 K B GRM a
MAIN O C 0706 87-012-286-080 C-CAP,U 0.01-25 K B GRM a
MAIN O C 0751 87-010-494-040 CAP,E 1-50 M 5L SRE a
MAIN O C 0752 87-010-494-040 CAP,E 1-50 M 5L SRE a
MAIN O C 0753 87-010-263-040 CAP,E 100-10 M 11L SME a
MAIN O C 0801 87-010-759-080 C-CAP,U 0.1-25 Z F CM/CB a
MAIN O C 0802 87-012-278-080 C-CAP,U 2200P-50 K B GRM a
MAIN O C 0803 87-010-759-080 C-CAP,U 0.1-25 Z F CM/CB a
MAIN O C 0804 87-010-935-040 CAP,E 220-16 M VR a
MAIN O C 0805 87-010-380-040 CAP,E 47-16 M 11L SME a

All components used on this model at the production line are shown in this service manual.
However, please note that not all components will be available as spare part s for after-sales service.
Components marked S and O are designated as spare parts for service and will be stocked at the spare parts centers.
Components marked X and R are not designated as spare parts for after sales service, and will not be stocked at the spare parts centers.

-5-

ELECTRICAL PARTS LIST -3/7

! = ! SAFTY PARTS
C = Components marked

UNIT-NAME ! C REF-NO PARTS-NO PARTS-NAME SUFFIX&MODEL

CT-R432M
YZSF
MAIN O C 0806 87-010-787-080 C-CAP,U 0.022-25 K B GRM a
MAIN O C 0901 87-010-544-040 CAP,E 0.1-50 M 11L SME a
MAIN O C 0902 87-010-787-080 C-CAP,U 0.022-25 K B GRM a
MAIN O C 0903 87-010-555-040 CAP,E 100-10 M 5L SRE a
MAIN O C 0904 87-016-039-090 CAP,DL 0.022F-5.5 Z 70 FM a
MAIN O C 0907 87-012-172-080 C-CAP,U 10P-50 D CH GRM a
MAIN O C 0908 87-012-172-080 C-CAP,U 10P-50 D CH GRM a
MAIN O C 0909 87-010-759-080 C-CAP,U 0.1-25 Z F CM/CB a
MAIN O C 0910 87-012-274-080 C-CAP,U 1000P-50 K B GRM a
MAIN O C 0911 87-012-286-080 C-CAP,U 0.01-25 K B GRM a

MAIN O C 0914 87-012-195-080 C-CAP,U 100P-50 J CH GRM a
MAIN O C 0915 87-012-195-080 C-CAP,U 100P-50 J CH GRM a
MAIN O CN 0201 87-A60-620-010 CONN,3P V 2MM JMT a
MAIN O CN 0202 87-099-408-010 CONN,8P V WHT EH a
MAIN O CN 0701 88-KTA-603-010 CONN,15P CAM-B68 a
MAIN O CNA0801 8A-KT1-645-010 CONN ASSY,8P ISO-BLACK-B a
MAIN O CNA0802 8A-KT1-646-010 CONN ASSY,8P ISO-WHITE-B a
MAIN S D 0101 87-020-465-080 DIODE,1SS133 a
MAIN S D 0102 87-020-465-080 DIODE,1SS133 a
MAIN S D 0151 87-070-136-080 ZENER,MTZJ5.1B a

CT-R432M
YZSF
MAIN X D 0401 88-121-101-080 RES,100-1/8W J a
MAIN S D 0402 87-A40-250-040 C-DIODE,DAN217 a
MAIN S D 0403 87-020-465-080 DIODE,1SS133 a
MAIN S D 0501 87-001-783-080 DIODE,1N4002 a
MAIN S D 0502 87-001-783-080 DIODE,1N4002 a
MAIN S D 0503 87-001-783-080 DIODE,1N4002 a
MAIN S D 0504 87-001-783-080 DIODE,1N4002 a
MAIN S D 0505 87-001-783-080 DIODE,1N4002 a
MAIN S D 0506 87-001-783-080 DIODE,1N4002 a
MAIN S D 0507 87-001-783-080 DIODE,1N4002 a

MAIN S D 0508 87-001-783-080 DIODE,1N4002 a
MAIN S D 0509 87-A40-509-080 ZENER,MTZJ6.8C a
MAIN S D 0510 87-020-331-040 C-DIODE,DAN202K a
MAIN S D 0705 87-020-331-040 C-DIODE,DAN202K a
MAIN S D 0751 87-017-932-080 ZENER,MTZJ6.2B a
MAIN S D 0752 87-017-932-080 ZENER,MTZJ6.2B a
MAIN S D 0753 87-017-932-080 ZENER,MTZJ6.2B a
MAIN S D 0754 87-017-932-080 ZENER,MTZJ6.2B a
MAIN S D 0755 87-017-932-080 ZENER,MTZJ6.2B a
MAIN S D 0756 87-017-932-080 ZENER,MTZJ6.2B a

CT-R432M
YZSF
MAIN S D 0801 87-A40-798-010 DIODE,1N5402 (3A/200V) a
MAIN S D 0802 87-A40-509-080 ZENER,MTZJ6.8C a
MAIN S D 0803 87-070-334-080 ZENER,MTZJ10B a
MAIN S D 0806 87-A40-620-080 ZENER,MTZJ6.2A a
MAIN S D 0807 87-A40-509-080 ZENER,MTZJ6.8C a
MAIN S D 0808 87-020-465-080 DIODE,1SS133 a
MAIN S D 0901 87-020-465-080 DIODE,1SS133 a
MAIN S D 0902 87-070-136-080 ZENER,MTZJ5.1B a
MAIN S D 0906 87-020-465-080 DIODE,1SS133 a
MAIN ! S F 0801 8B-KC1-621-010 FUSE,15A 32V a

MAIN S IC 0151 88-KT1-607-080 C-IC,SAA6579T a
MAIN S IC 0201 87-027-539-010 IC,LA3161 a
MAIN S IC 0401 8Z-KT1-622-010 C-IC,LC75374E a
MAIN S IC 0501 87-A22-246-010 IC,TA8252H a
MAIN S IC 0901 8C-KTA-611-030 C-IC,UPD178078GF-565-3BA a
MAIN O J 0401 87-A61-225-110 JACK,PIN 2P XR-401 a
MAIN O J 0751 8A-KC7-620-010 JACK,DIN 13P SKDS1302 a
MAIN X JR 0101 88-118-000-080 C-JUMPER,S a
MAIN X JR 0103 88-118-000-080 C-JUMPER,S a
MAIN X JR 0104 88-118-000-080 C-JUMPER,S a

CT-R432M
YZSF
MAIN X JR 0105 88-118-000-080 C-JUMPER,S a
MAIN X JR 0106 88-118-000-080 C-JUMPER,S a
MAIN X JR 0108 88-118-000-080 C-JUMPER,S a
MAIN X JR 0109 88-118-000-080 C-JUMPER,S a
MAIN X JR 0110 88-118-000-080 C-JUMPER,S a
MAIN X JR 0111 88-118-000-080 C-JUMPER,S a
MAIN X JR 0113 88-118-000-080 C-JUMPER,S a
MAIN X JR 0115 88-118-000-080 C-JUMPER,S a
MAIN X JR 0116 88-118-000-080 C-JUMPER,S a
MAIN X JR 0117 88-118-000-080 C-JUMPER,S a

MAIN X JR 0118 88-118-000-080 C-JUMPER,S a
MAIN X JR 0119 88-118-000-080 C-JUMPER,S a
MAIN X JR 0120 88-118-000-080 C-JUMPER,S a
MAIN X JR 0121 88-118-000-080 C-JUMPER,S a
MAIN X JR 0122 88-118-000-080 C-JUMPER,S a
MAIN X JR 0123 88-118-000-080 C-JUMPER,S a
MAIN X JR 0124 88-118-000-080 C-JUMPER,S a
MAIN X JR 0125 88-118-000-080 C-JUMPER,S a
MAIN X JR 0126 88-118-000-080 C-JUMPER,S a
MAIN X JR 0127 88-118-000-080 C-JUMPER,S a

All components used on this model at the production line are shown in this service manual.
However, please note that not all components will be available as spare part s for after-sales service.
Components marked S and O are designated as spare parts for service and will be stocked at the spare parts centers.
Components marked X and R are not designated as spare parts for after sales service, and will not be stocked at the spare parts centers.

-6-

ELECTRICAL PARTS LIST -4/7

! = ! SAFTY PARTS
C = Components marked

UNIT-NAME ! C REF-NO PARTS-NO PARTS-NAME SUFFIX&MODEL

CT-R432M
YZSF
MAIN X JR 0129 88-129-000-080 C-JUMPER, 3216 a
MAIN X JR 0256 88-118-000-080 C-JUMPER,S a
MAIN X JR 0258 88-118-000-080 C-JUMPER,S a
MAIN X JR 0259 88-118-000-080 C-JUMPER,S a
MAIN X JR 0260 88-118-000-080 C-JUMPER,S a
MAIN X JR 0262 88-118-000-080 C-JUMPER,S a
MAIN O JW 0165 87-A11-144-080 CAP,TC U 0.1-50 K B a
MAIN X JW 0231 88-121-102-080 RES,1K-1/8W J a
MAIN O L 0101 87-003-143-080 COIL,4.7UH K LAL02 a
MAIN O L 0102 8Z-KT1-619-010 COIL,68MH K7-D a

MAIN O L 0701 87-003-143-080 COIL,4.7UH K LAL02 a
MAIN O L 0801 8B-KCF-615-010 FLTR,AMORPHOUS -CHOKE a
MAIN O L 0901 87-003-149-080 COIL,47UH J LAL02 a
MAIN S Q 0101 87-A30-427-040 C-TR,DTC114EKA a
MAIN S Q 0102 87-A30-289-040 C-TR,2SA1037AK(Q) a
MAIN S Q 0103 89-324-122-040 C-TR,2SC2412KR a
MAIN S Q 0105 89-324-122-040 C-TR,2SC2412KR a
MAIN S Q 0106 89-324-122-040 C-TR,2SC2412KR a
MAIN S Q 0107 89-324-122-040 C-TR,2SC2412KR a
MAIN S Q 0108 89-324-122-040 C-TR,2SC2412KR a

CT-R432M
YZSF
MAIN S Q 0201 87-A30-689-080 TR,DTB123YS a
MAIN S Q 0202 87-A30-427-040 C-TR,DTC114EKA a
MAIN S Q 0403 89-324-122-040 C-TR,2SC2412KR a
MAIN S Q 0404 87-A30-287-040 C-TR,DTC114TKA a
MAIN S Q 0405 87-A30-287-040 C-TR,DTC114TKA a
MAIN S Q 0406 87-A30-287-040 C-TR,DTC114TKA a
MAIN S Q 0407 87-A30-287-040 C-TR,DTC114TKA a
MAIN S Q 0408 87-A30-282-040 C-TR,DTA114TKA a
MAIN S Q 0410 87-A30-287-040 C-TR,DTC114TKA a
MAIN S Q 0501 87-A30-282-040 C-TR,DTA114TKA a

MAIN S Q 0751 87-A30-294-040 C-TR,DTB123YK a
MAIN S Q 0752 87-A30-287-040 C-TR,DTC114TKA a
MAIN S Q 0801 89-213-750-010 TR,2SB1375 a
MAIN S Q 0802 87-A30-427-040 C-TR,DTC114EKA a
MAIN S Q 0803 89-420-120-010 TR,2SD2012 a
MAIN O Q 0804 89-418-580-080 TR,2SD1858TV2 a
MAIN S Q 0807 87-A30-427-040 C-TR,DTC114EKA a
MAIN S Q 0808 87-A30-455-040 C-TR,DTA144EKA a
MAIN X R 0101 88-121-105-080 RES,1M-1/8W J a
MAIN X R 0102 88-121-102-080 RES,1K-1/8W J a

CT-R432M
YZSF
MAIN X R 0103 88-121-181-080 RES,180-1/8W J a
MAIN X R 0104 88-121-100-080 RES,10-1/8W J a
MAIN O R 0105 88-108-473-080 C-RES,U 47K-1/16W J a
MAIN X R 0106 88-108-333-080 C-RES,U 33K-1/16W J a
MAIN O R 0107 88-108-473-080 C-RES,U 47K-1/16W J a
MAIN O R 0108 88-108-103-080 C-RES,U 10K-1/16W J a
MAIN X R 0109 88-108-222-080 C-RES,U 2.2K-1/16W J a
MAIN X R 0110 88-118-330-080 C-RES,S 33-1/10W J a
MAIN X R 0111 88-118-100-080 C-RES,S 10-1/10W J a
MAIN X R 0112 88-108-821-080 C-RES,U 820-1/16W J a

MAIN X R 0113 88-108-000-080 C-JUMPER,U a
MAIN O R 0114 88-108-103-080 C-RES,U 10K-1/16W J a
MAIN O R 0115 88-108-103-080 C-RES,U 10K-1/16W J a
MAIN X R 0116 88-121-102-080 RES,1K-1/8W J a
MAIN O R 0118 88-108-102-080 C-RES,U 1K-1/16W J a
MAIN X R 0119 88-108-472-080 C-RES,U 4.7K-1/16W J a
MAIN X R 0121 88-121-682-080 RES,6.8K-1/8W J a
MAIN X R 0122 88-121-682-080 RES,6.8K-1/8W J a
MAIN O R 0123 88-108-473-080 C-RES,U 47K-1/16W J a
MAIN O R 0124 88-108-224-080 C-RES,U 220K-1/16W J a

CT-R432M
YZSF
MAIN X R 0151 88-108-222-080 C-RES,U 2.2K-1/16W J a
MAIN X R 0152 88-121-331-080 RES,330-1/8W J a
MAIN O R 0201 88-108-224-080 C-RES,U 220K-1/16W J a
MAIN O R 0202 88-108-224-080 C-RES,U 220K-1/16W J a
MAIN X R 0203 88-108-390-080 C-RES,U 39-1/16W J a
MAIN X R 0204 88-108-390-080 C-RES,U 39-1/16W J a
MAIN O R 0205 88-108-562-080 C-RES,U 5.6K-1/16W J a
MAIN O R 0206 88-108-562-080 C-RES,U 5.6K-1/16W J a
MAIN X R 0207 88-108-154-080 C-RES,U 150K-1/16W J a
MAIN X R 0208 88-108-154-080 C-RES,U 150K-1/16W J a

MAIN O R 0209 88-108-102-080 C-RES,U 1K-1/16W J a
MAIN O R 0210 88-108-102-080 C-RES,U 1K-1/16W J a
MAIN X R 0211 88-121-470-080 RES,47-1/8W J a
MAIN X R 0212 88-121-472-080 RES,4.7K-1/8W J a
MAIN X R 0213 88-121-472-080 RES,4.7K-1/8W J a
MAIN X R 0214 88-121-102-080 RES,1K-1/8W J a
MAIN X R 0215 88-121-473-080 RES,47K-1/8W J a
MAIN X R 0216 88-121-473-080 RES,47K-1/8W J a
MAIN X R 0217 88-108-104-080 C-RES,U 100K-1/16W J a
MAIN O R 0401 88-108-332-080 C-RES,U 3.3K-1/16W J a

All components used on this model at the production line are shown in this service manual.
However, please note that not all components will be available as spare part s for after-sales service.
Components marked S and O are designated as spare parts for service and will be stocked at the spare parts centers.
Components marked X and R are not designated as spare parts for after sales service, and will not be stocked at the spare parts centers.

-7-

ELECTRICAL PARTS LIST -5/7

! = ! SAFTY PARTS
C = Components marked

UNIT-NAME ! C REF-NO PARTS-NO PARTS-NAME SUFFIX&MODEL

CT-R432M
YZSF
MAIN O R 0402 88-108-332-080 C-RES,U 3.3K-1/16W J a
MAIN O R 0403 88-108-332-080 C-RES,U 3.3K-1/16W J a
MAIN O R 0404 88-108-332-080 C-RES,U 3.3K-1/16W J a
MAIN O R 0405 88-108-102-080 C-RES,U 1K-1/16W J a
MAIN X R 0406 88-121-102-080 RES,1K-1/8W J a
MAIN O R 0407 88-108-102-080 C-RES,U 1K-1/16W J a
MAIN X R 0408 88-121-102-080 RES,1K-1/8W J a
MAIN X R 0415 88-121-102-080 RES,1K-1/8W J a
MAIN X R 0416 88-121-102-080 RES,1K-1/8W J a
MAIN X R 0417 88-121-102-080 RES,1K-1/8W J a

MAIN X R 0418 88-121-102-080 RES,1K-1/8W J a
MAIN X R 0419 88-108-104-080 C-RES,U 100K-1/16W J a
MAIN X R 0420 88-108-104-080 C-RES,U 100K-1/16W J a
MAIN X R 0421 88-121-472-080 RES,4.7K-1/8W J a
MAIN X R 0422 88-108-105-080 C-RES,U 1M-1/16W J a
MAIN O R 0423 88-108-102-080 C-RES,U 1K-1/16W J a
MAIN X R 0424 88-121-103-080 RES,10K-1/8W J a
MAIN X R 0425 88-108-105-080 C-RES,U 1M-1/16W J a
MAIN X R 0426 88-121-102-080 RES,1K-1/8W J a
MAIN X R 0427 88-121-102-080 RES,1K-1/8W J a

CT-R432M
YZSF
MAIN X R 0428 88-121-102-080 RES,1K-1/8W J a
MAIN X R 0429 88-121-222-080 RES,2.2K-1/8W J a
MAIN X R 0430 88-121-103-080 RES,10K-1/8W J a
MAIN X R 0432 88-108-000-080 C-JUMPER,U a
MAIN X R 0501 88-121-123-080 RES,12K-1/8W J a
MAIN X R 0502 88-121-123-080 RES,12K-1/8W J a
MAIN X R 0503 88-121-123-080 RES,12K-1/8W J a
MAIN X R 0504 88-121-123-080 RES,12K-1/8W J a
MAIN X R 0505 88-108-183-080 C-RES,U 18K-1/16W J a
MAIN X R 0506 88-108-183-080 C-RES,U 18K-1/16W J a

MAIN X R 0507 88-108-183-080 C-RES,U 18K-1/16W J a
MAIN X R 0508 88-108-183-080 C-RES,U 18K-1/16W J a
MAIN X R 0509 88-121-222-080 RES,2.2K-1/8W J a
MAIN X R 0510 88-121-102-080 RES,1K-1/8W J a
MAIN O R 0511 88-108-223-080 C-RES,U 22K-1/16W J a
MAIN X R 0521 88-121-102-080 RES,1K-1/8W J a
MAIN O R 0522 88-108-272-080 C-RES,U 2.7K-1/16W J a
MAIN X R 0523 88-121-104-080 RES,100K-1/8W J a
MAIN X R 0524 88-121-104-080 RES,100K-1/8W J a
MAIN X R 0525 88-121-104-080 RES,100K-1/8W J a

CT-R432M
YZSF
MAIN X R 0526 88-121-104-080 RES,100K-1/8W J a
MAIN X R 0701 88-121-472-080 RES,4.7K-1/8W J a
MAIN X R 0702 88-121-472-080 RES,4.7K-1/8W J a
MAIN O R 0703 88-108-562-080 C-RES,U 5.6K-1/16W J a
MAIN O R 0704 88-108-562-080 C-RES,U 5.6K-1/16W J a
MAIN X R 0705 88-121-102-080 RES,1K-1/8W J a
MAIN X R 0706 88-121-102-080 RES,1K-1/8W J a
MAIN X R 0707 88-121-102-080 RES,1K-1/8W J a
MAIN X R 0708 88-121-102-080 RES,1K-1/8W J a
MAIN X R 0709 88-121-102-080 RES,1K-1/8W J a

MAIN O R 0710 88-108-103-080 C-RES,U 10K-1/16W J a
MAIN O R 0711 88-108-103-080 C-RES,U 10K-1/16W J a
MAIN X R 0712 88-108-104-080 C-RES,U 100K-1/16W J a
MAIN X R 0751 88-121-472-080 RES,4.7K-1/8W J a
MAIN X R 0752 88-121-472-080 RES,4.7K-1/8W J a
MAIN X R 0753 88-108-392-080 C-RES,U 3.9K-1/16W J a
MAIN X R 0754 88-108-392-080 C-RES,U 3.9K-1/16W J a
MAIN O R 0755 88-108-102-080 C-RES,U 1K-1/16W J a
MAIN O R 0756 88-108-102-080 C-RES,U 1K-1/16W J a
MAIN O R 0757 88-108-102-080 C-RES,U 1K-1/16W J a

CT-R432M
YZSF
MAIN O R 0758 88-108-102-080 C-RES,U 1K-1/16W J a
MAIN O R 0759 88-108-102-080 C-RES,U 1K-1/16W J a
MAIN O R 0760 88-108-102-080 C-RES,U 1K-1/16W J a
MAIN O R 0761 88-108-102-080 C-RES,U 1K-1/16W J a
MAIN X R 0762 88-121-223-080 RES,22K-1/8W J a
MAIN O R 0801 88-108-223-080 C-RES,U 22K-1/16W J a
MAIN X R 0802 88-140-229-080 RES,2.2-1/2W J a
MAIN X R 0803 88-121-103-080 RES,10K-1/8W J a
MAIN X R 0804 88-140-681-080 RES,680-1/2W J a
MAIN X R 0805 88-140-229-080 RES,2.2-1/2W J a

MAIN X R 0806 88-121-471-080 RES,470-1/8W J a
MAIN X R 0807 88-121-104-080 RES,100K-1/8W J a
MAIN X R 0808 88-121-680-080 RES,68-1/8W J a
MAIN X R 0809 88-121-272-080 RES,2.7K-1/8W J a
MAIN X R 0902 88-121-224-080 RES,220K-1/8W J a
MAIN X R 0903 88-121-473-080 RES,47K-1/8W J a
MAIN X R 0904 88-108-000-080 C-JUMPER,U a
MAIN X R 0905 88-121-102-080 RES,1K-1/8W J a
MAIN X R 0906 88-121-102-080 RES,1K-1/8W J a
MAIN X R 0908 88-108-104-080 C-RES,U 100K-1/16W J a

All components used on this model at the production line are shown in this service manual.
However, please note that not all components will be available as spare part s for after-sales service.
Components marked S and O are designated as spare parts for service and will be stocked at the spare parts centers.
Components marked X and R are not designated as spare parts for after sales service, and will not be stocked at the spare parts centers.

-8-

ELECTRICAL PARTS LIST -6/7

! = ! SAFTY PARTS
C = Components marked

UNIT-NAME ! C REF-NO PARTS-NO PARTS-NAME SUFFIX&MODEL

CT-R432M
YZSF
MAIN X R 0909 88-108-104-080 C-RES,U 100K-1/16W J a
MAIN X R 0910 88-108-104-080 C-RES,U 100K-1/16W J a
MAIN X R 0912 88-121-473-080 RES,47K-1/8W J a
MAIN X R 0913 88-121-473-080 RES,47K-1/8W J a
MAIN X R 0914 88-121-473-080 RES,47K-1/8W J a
MAIN X R 0915 88-121-222-080 RES,2.2K-1/8W J a
MAIN O R 0918 88-108-473-080 C-RES,U 47K-1/16W J a
MAIN O R 0920 88-108-473-080 C-RES,U 47K-1/16W J a
MAIN X R 0921 88-121-222-080 RES,2.2K-1/8W J a
MAIN X R 0922 88-121-222-080 RES,2.2K-1/8W J a

MAIN X R 0923 88-121-222-080 RES,2.2K-1/8W J a
MAIN X R 0924 88-121-222-080 RES,2.2K-1/8W J a
MAIN X R 0925 88-108-104-080 C-RES,U 100K-1/16W J a
MAIN X R 0926 88-108-104-080 C-RES,U 100K-1/16W J a
MAIN X R 0927 88-108-104-080 C-RES,U 100K-1/16W J a
MAIN X R 0928 88-108-104-080 C-RES,U 100K-1/16W J a
MAIN X R 0929 88-108-104-080 C-RES,U 100K-1/16W J a
MAIN X R 0930 88-108-104-080 C-RES,U 100K-1/16W J a
MAIN O R 0933 88-108-223-080 C-RES,U 22K-1/16W J a
MAIN O R 0936 88-108-473-080 C-RES,U 47K-1/16W J a

CT-R432M
YZSF
MAIN O SFR0101 87-024-437-080 SFR,100K H RH063MC a
MAIN O SW 0901 87-A91-070-010 SW,TACT SKHHLV a
MAIN O TU 0101 8C-KTA-621-010 TU UNIT, FAE347-E30 a
MAIN X W 0101 8Z-KC1-614-010 WIRE,ANT a
MAIN X W 0801 8A-KCG-615-010 WIRE,400 P-MUTE a
MAIN O X 0151 87-A70-091-010 VIB,XTAL 4.332MHZ CSA-309 a
MAIN O X 0901 87-A70-372-080 VIB,XTAL 6.3MHZ HC-49/U-S a

All components used on this model at the production line are shown in this service manual.
However, please note that not all components will be available as spare part s for after-sales service.
Components marked S and O are designated as spare parts for service and will be stocked at the spare parts centers.
Components marked X and R are not designated as spare parts for after sales service, and will not be stocked at the spare parts centers.

-9-

ELECTRICAL PARTS LIST -7/7

CHIP RESISTOR PART CODE

Chip Resistor Part Coding

88

A

Resistor Code

Chip resistor

Wattage Type Tolerance
1/16W 1005 5% CJ

1/16W
1/10W

1/8W

1608
2125

3216

5%
5%

5%

Symbol

CJ
CJ

CJ

Figure

Value of resistor

Form

L

Dimensions (mm)

t

W

0.55

Resistor Code

108
118

128

LW t

1.0 0.5 0.35 104

1.6 0.8 0.45
2 1.25 0.45

3.2

1.6

: A
: A

-10-

TRANSISTOR ILLUSTRATION -1/1

EC

B

C

B

E

E

B

E

B

C

C

2SD1858TV2

2SB1375
2SD2012

DTB123

2SC2412KR
DTA114TKA
DTA144EKA
DTB123YK
DTC114EKA
DTC114TKA

-11-

SCHEMATIC DIAGRAM -1/2 (MAIN/HEAD)

100/10

100

1.0

SKDS1302

JW165

-12-

WIRING -1/2 (MAIN/HEAD)

101112131415161718192021222324

1234567892526272829303132

A

B

C

D

JR103

A

JW165

A

E

F

G

H

I

J

K

R118

C117

C118

L

M

R124

R706

R152

SFR 101

D151

C154

IC151

R151

C154 C151

X151

C119

C155

C156

107

R123

108

R905

JW

N

O

P

Q

R

S

T

U

-13-

SCHEMATIC DIAGRAM -2/2 (FRONT/AUX)

-14-

WIRING -2/2 (FRONT/ AUX) -1/2

181920212223242526272829303132

17 16151413121110987654321

(COMPONENT SIDE)

A

B

C

D

E

F

G

H

I

J

K

L

M

N

O

P

Q

-15-

R

S

T

U

WIRING -2/2 (FRONT/AUX) -2/2

151413121110987654321

A

B

C

D

E

F

G

H

(CODUCTOR SIDE)

16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32

I

J

K

L

M

N

O

P

Q

R

S

T

U

-16-

LCD DIAGRAM -1/2 (LCD, CKT-10 / 15)

CHARACTER NAME

SEGMENT WIRING

COMMON WIRING

-17-

LCD DIAGRAM -2/2 (LCD, CKT-10 / 15)

WIRING TABLE

-18-

IC BLOCK DIAGRAM -1/2

IC,LC75854W

TEST

OSC

D0

D1

CL

CE

VDD

VDD1

VDD2

VS5

COM1

COM2

COM4

COM3

S39~S1

IC, TA8252H

K15

K14

INPUT

INPUT

K13

K12

IF

NF

K11

KS3

KS5

KS4

KS6

IC, LA3161

KS1/S40

KS2/S41

VCC

OUTPUT

OUTPUT

GND

-19-

IC BLOCK DIAGRAM -2/2

IC, SAA6579T

-20-

IC DESCRIPTION -1/2 (IC, µPD178078GF-565-3BA) -1/3

Pin No. Pin Name I/O Description

1 B ATT IN I BATT ON/OFF input.
2 DFP IN I Detects whether DFP (front panel) is provided or not.
3 LCD DI I LCD driver data input.
4 LCD DO O LCD driver data output. Open when not used.
5 LCD CLO O LCD driver clock output.
6 LCD CE O LCD driver chip enable output.
7 BBE 1 O BBE select output. Open when not used. (Not used)
8 CDS DI – Connected to pull-down resistor.

9 CDS DO – Not used.
10 CDS CLO – Not used.
11 CD DI I Data input from CD changer. Pulled down when not used.
12 CD DO O Data output to CD changer. Open when not used.
13 CD CLI I Clock input from CD changer. Open when not used.
14 CD DISP SEL O Determines the timing with which data is transferred to the head unit. Open when not used.
15 CD CONNECT I CD changer connection check. Pulled down when not used.
16 BBE 2 O BBE select output. Open when not used. (Not used)
17 CD CLO O Clock output to CD changer. Open when not used.
18 EVOL CLO O Clock output to electronic VR.
19 EVOL DO O Data output to electronic VR.
20 EVOL CE O Chip enable output to electronic VR.
21 LOC/DX O LOC/DX switching output during radio seek. (LOC: "H", DX: "L"). Open when not used.
22 DSSA CONT O Outputs "H" only when DSSA L/R are operating.
23 NC – Not connected.
24 PHONE MUTE I Muting control input -20dB. Mute: "L". Connected to pull-up resistor.
25 LEVEL IND I Level meter signal input.
26 AUTO VOL I Detects microphone input for auto volume operation. Pulled down when not used. (Not used)
27 AVDD – Power supply.
28 TEST – Only used in CD model. (Not used)

29, 30 NC – Not connected.

31 FM/AM S METER I AF signal input during RDS AF operation and FM S meter signal input.
32 AVSS – Ground.
33 REG CPU – CPU power regulator.
34 VDD – Power supply for port.
35 REG OSC – Regulator for oscillator circuit. (Connected to VDD)
36 X2 O System clock oscillator. (6.3MHz)
37 X1 I System clock oscillator. (6.3MHz)
38 GND – Ground for port.
39 IF REQ O Output to request IF count signal.
40 GND – Ground.
41 AM IF I AM IF count signal input.
42 FM IF I FM IF count signal input.
43 VDD PLL – Power supply for PLL.

-21-

IC DESCRIPTION -1/2 (IC, µPD178078GF-565-3BA) -2/3

Pin No. Pin Name I/O Description

44 FM OSC I FM local oscillation input.
45 AM OSC I AM local oscillation input.
46 GND PLL – Ground for PLL.
47 EO O O Error output from charge pump (for FM).
48 EO I O Error output from charge pump (for AM).
49 IC – Connected to pull-down resistor.
50 RESET I System reset input.
51 RDS CLK IN I RDS clock input. Pulled down when not used. (Not used)
52 ACC IN I ACC (accessory power supply) ON/OFF input.
53 RMT IN I Remote control input. Pulled up when not used. (Connected to GND)
54 ST-IND/SD IN I Stop pulse input during FM/AM seek.
55 NC – Not connected.
56 ST-BY MUTE O Standby/muting output to power amplifier.
57 POWER CONT O Unit power control output.
58 RDS DI I RDS data input. Pulled down when not used. (Not used)
59 BEEP O BEEP output. (3kHz, 50ms)

60, 61 NC – Not connected.

62 BAND CONT O AM/FM power switching output. AM: "H", FM: "L".
63 CD ACC CONT O Transmits the power ON/OFF status of head unit to changer. Open when not used.
64 RDS MODE O Outputs "H" during RDS AF operation. Open when not used. (Not used)
65 POWER MUTE O Muting output to power amplifier.
66 LCD CONT 2 O LCD DRV power control 2. (Not used)
67 LCD CONT 1 O LCD DRV power control 1.
68 AF MUTE O Audio muting output.

69, 70 NC – Not connected.

71 ~ 73 MI-1 ~ MI-3 I Diode matrix input for initial setting.

74 MO-1 O Diode matrix output for initial setting. (Not used)
75 MO-2 O Diode matrix output for initial setting. (Open demo)
76 MO-3 O Diode matrix output for initial setting.
77 MO-4 O Diode matrix output for initial setting. (Not used)
78 AUX IN – Connected to pull-up resistor.
79 PACK IN I Tape insertion status detection input.
80 RE1 IN I Rotary encorder input 1.
81 RE2 IN I Rotary encorder input 2.
82 GND – Ground.
83 NC – Not connected.
84 PANCON1 – Not used.
85 PANCON2 – Not used.
86 STAND BY I Mechanism stand-by input.
87 REEL I Reel pulse input for tape mechanism.
88 MAIN M CONT O Main motor control output.
89 FLAP IN – Not used.

-22-

IC DESCRIPTION -1/2 (IC, µPD178078GF-565-3BA) -3/3

Pin No. Pin Name I/O Description

90 MF CONT – Not used.
91 SEN1 – Connected to pull-down resistor.
92 SEN2 – Connected to pull-down resistor.
93 CDS IN – Connected to pull-down resistor.
94 CDS RESET – Not used.
95 CDS SLEEP – Not used.
96 CDS CS – Not used.
97 CDS STOP – Connected to pull-down resistor.
98 RADIO CONT O Radio ON/OFF. Power switching output. Radio ON: "H". (Not used)
99 VDD PORT – Power supply for port.

100 G ND – GND.

-23-

IC DESCRIPTION -2/2 (LC75374E) -1/2

Pin No. Pin Name I/O Description

1 RVR IN I 4dB volume control input. Must be driven at a low impedance.

2 R COM – 1dB volume common pin. (Connected to GND through a capacitor)

For the connection of capacitors that compensate for bass and treble in the tone control circuit.

3 ~ 5 RT1 ~ RT3 – A high-frequency compensation capacitor must be connected between RT1 and RT2.

A low-frequency compensation capacitor must be connected between RT2 and RT3.
6 RT OUT O Tone control output.
7 RS IN I Super bass input.Must be driven at a low impedance.
8 NC – Connected to GND.
9 NC – Not connected.

10 RS3
11 RS OUT
12 FR IN I Fader input. Must be driven at a low impedence.
13 FR OUT
14 RR OUT
15 VSS – GND.
16 CL
17 DI

18 CE –

19 VREF –

20 RL OUT
21 FL OUT
22 FL IN I Fader input. Must be driven at a low impedence.
23 LS OUT
24 LS3
25 NC – Not connected.

O For the connection of RCH super bass compensation capacitors.

O Fader output. The front and rear sides can be attenuated independently.

I Serial data and clock input for control.

Chip eable. Data is written in the internal latch when the chip enable signal goes "L" from "H",

and each analog switch is activated. Data transfer is enable at "H".

Generates a 1/2 VDD power source. A capacitor must be connected between VREF and GND as a

troubleshooting against power ripples.

O Fader output. The front and rear sides can be attenuated independently.

O For the connection of LCH super bass compensation capacitors.

26 NC – Connected to GND.
27 LS IN I Super bass input. Must be driven at a low impedance.
28 LT OUT O Tone control output.

For the connection of capacitors that compensate for bass and treble in the tone control circuit.

29 ~ 31 LT3 ~ LT1 – A high-frequency compensation capacitor must be connected between LT1 and LT2.

A low-frequency compensation capacitor must be connected between LT2 and LT3.

32 L COM – 1dB volume common pin. (Connected to GND through a capacitor)
33 LVR IN I 4dB volume control input. Must be driven at a low impedance.
34 LSELO O Input selector output pin.
35 AUX (L)
36 CD (L)
37 RA (L)
38 TA (L)
39 VDD – Power supply.

Signal input pins.

I

-24-

IC DESCRIPTION -2/2 (LC75374E) -2/2

Pin No. Pin Name I/O Description

40 TA (R)
41 RA (R)
42 CD (R)
43 AUX (R)
44 RSELO O Input selector output pin.

I Signal input pins.

-25-

MECHANICAL EXPLODED VIEW -1/1

9

7

6

4

3

2

5

1

A

A

32

33

C

C

44

C

51

50

E

C

C

54

46

55

45

56

F

57

C

D

58

G

28

12

11

13

23

15

19

10

8

53

14

16

24

14

14

26

25

31

22

21

20

C

29

27

30

43

B

36

34

37

35

38

39

17

18

40

41

48

47

H
C

D

49

42

C

E

46

52

-26-

MECHANICAL PARTS LIST -1/1

! = ! SAFTY PARTS
C = Components marked

UNIT-NAME ! C REF-NO PARTS-NO PARTS-NAME SUFFIX&MODEL

CT-R432M
YZSF
O MC1001 8C-KTA-001-010 WINDOW,R432M a
O MC1002 8C-KCG-022-010 LENS,RTRY a
O MC1003 8C-KCG-021-010 KNOB,RTRY a
O MC1004 8B-KCG-253-010 SPR-C,ROTARY -BC2 a
O MC1005 8C-KC1-013-010 BTN,OV DISP/AF a
O MC1006 8C-KCG-018-010 BTN,SEESAW L a
O MC1007 8C-KC1-011-010 CABI,OV 2 a
O MC1008 8C-KCG-015-010 BTN, OV B a
O MC1009 8C-KCG-215-010 LENS, L a
O MC1010 8C-KCG-014-010 BTN, OV R a

O MC1011 8C-KCG-013-010 BTN, OV OUT a
O MC1012 8C-KTF-004-010 BTN,OVAL POWER a
O MC1013 8C-KTF-005-010 BTN,EJECT CKT a
O MC1014 8B-KTF-204-010 SPR-C,EJ/FF/REW a
O MC1015 8C-KTF-009-010 BTN,REW CKT a
O MC1016 8C-KTF-008-010 BTN,FF CKT a
O MC1017 8C-KCF-006-010 BTN,P.SET RPT a
O MC1018 8C-KCG-216-010 LENS, R a
O MC1019 8C-KTF-001-010 CABI,FRONT CKT a
O MC1020 8C-KCG-023-010 BTN, DETACH a

CT-R432M
YZSF
O MC1021 8Z-KC2-223-010 SPR-C,DETACH -C2 a
X MC1022 8C-KTF-204-010 HLDR,LCD R a
X MC1023 8C-KTF-203-010 HLDR,LCD L a
O MC1024 8C-KTF-610-010 LCD,CKT-10/15 a
X MC1025 8C-KTF-201-110 LENS,LCD a
X MC1026 8C-KTF-202-010 CASE,LCD LENS a
O MC1027 8A-KC7-611-010 F-CABLE,3P (AUX) a
X MC1028 8C-KTF-603-010 PWB,FRONT a
O MC1029 8C-KTF-002-010 CABI,REAR CKT a
O MC1030 85-HRL-623-010 JACK,3.5 BLK ST BLK a

X MC1031 8C-KTF-604-010 PWB,AUX a
X MC1032 87-A92-096-010 CABLE TIE,TYH-24M a
X MC1033 M8-AZK-490-070 CDS-363AG1-A a
O MC1034 8Z-KC2-203-210 LEVER,DFP HOOK -C2 a
O MC1035 8Z-KC2-221-110 SPR-C,DETACH HOOK-C2 a
O MC1036 8C-KTF-011-110 CABI,BASE CKT a
O MC1037 8Z-KT1-244-010 SPR-T,DOOR Z a
O MC1038 8B-KT9-023-110 DOOR,CASSETTE a
O MC1039 8Z-KC2-222-010 SPR-T,DETACH LOCK-C2 a
O MC1040 8C-KCG-205-010 LEVER,DFP LOCK a

CT-R432M
YZSF
X MC1041 8C-KTF-209-010 CHAS,FRONT CKT a
O MC1042 8C-KCG-202-010 CHAS, SIDE R C a
O MC1043 8C-KCG-201-010 CHAS, SIDE L C a
X MC1044 8C-KTF-207-010 HLDR,DECK CKT a
! S MC1045 8B-KC1-621-010 FUSE,15A 32V a
O MC1046 8Z-KC1-256-010 COVER, BOTTOM RDS a
X MC1047 8C-KTF-601-010 PWB,MAIN (CKT-15) a
O MC1048 8Z-KC1-231-110 HLDR,HALF -C a
X MC1049 8C-KCG-251-010 PANEL,HT-SINK Z2C a
O MC1050 8A-KCG-211-010 HLDR,P-IC -AC16 a

X MC1051 8C-KTF-212-010 HLDR,DIN NT a
O MC1052 8C-KCG-036-010 CABI, TRIM 16 a
O MC1053 8C-KC1-012-010 BTN,OV T a
X MC1054 8C-KCG-255-010 TUBE,ISO WIRE D12 a
X MC1055 8A-KCG-615-010 WIRE,400 P-MUTE a
O MC1056 8A-KT1-646-010 CONN ASSY,8P ISO-WHITE-B a
O MC1057 8A-KT1-645-010 CONN ASSY,8P ISO-BLACK-B a
X MC1058 8C-KCG-254-010 HLDR,ISO-WIRE a
O MC1A 8Z-KC1-253-010 S-SCREW,PT 2*8 BH+ BLK a
O MC1B 87-B10-399-010 UIT+2.6-5 BLK a

CT-R432M
YZSF
O MC1C 87-B10-384-010 UIT+2.6-6 a
O MC1D 87-B10-386-010 UTT2+2.6-5 W/O SLOT a
O MC1E 87-B10-397-010 UTT2+2.6-4 W/O SLOT a
O MC1F 87-B10-259-010 UT2+3.0-10.0 W/O SLOT (BH TAP) a
O MC1G 87-251-097-410 U+3-12 a
O MC1H 87-432-903-010 WTE,2.6 a

All components used on this model at the production line are shown in this service manual.
However, please note that not all components will be available as spare parts for after-sales service.
Components marked S and O are designated as spare parts for service and will be stocked at the spare parts centers.
Components marked X and R are not designated as spare parts for after sales service, and will not be stocked at the spare parts centers.

-27-

COLOR NAME TABLE -1/1

Basic color symbol Color Basic color symbol Color Basic color symbol Color

B Black C Cream D Orange
G Green H Gray L Blue

LT Transparent Blue N Gold P Pink

R Red S Silver ST Titan Silver
T Brown V Violet W White

WT Transparent White Y Yellow YT Transparent Yellow

LM Metallic Blue LL Light Blue GT Transparent Green
LD Dark Blue DT Transparent Orange GM Metallic Green
YM Metallic Yellow DM Metallic Orange PT Transparent Pink

LA Aqua Blue GL Light Green HT Transparent Gray

HM Metallic Gray NH Champagne Gold M Wood Pattern

-28-

TAPE MECHANISM EXPLODED VIEW -1/1 (CDS-363AG1-A)

-29-

TAPE MECHANISM PARTS LIST -1/2 (CDS-363AG1-A)

! = ! SAFTY PARTS
C = Components marked

UNIT-NAME ! C REF-NO PARTS-NO PARTS-NAME SUFFIX&MODEL

CDS-363AG1-A
O ST1001 S1-013-810-100 HOLDER CASS(X) a

O ST1002 SX-003-610-190 EJECT CAM LOCK ASSY a
O ST1003 S1-003-220-070 TAPE HOOKER a
O ST1004 S1-013-810-020 HANGER CASS(X) a
O ST1005 S1-003-640-070 EJECT CAM LOCK SPG a
O ST1006 S1-003-640-230 CENTER PLATE SPG(B) a
O ST1007 S1-003-610-180 PLATE CENTER a
O ST1008 S1-036-350-070 RETURN LINK a
O ST1009 S1-003-670-570 MOTOR a
O ST1010 S1-036-330-420 MOTOR PULLEY(MBC) a

O ST1011 S1-003-630-320 ROLLER FF(A) a
O ST1012 S1-003-610-150 PLATE SPG SUPPORT a
O ST1013 S1-003-640-100 ADJUSTER ARM SPG(A) a
O ST1014 S1-003-640-110 ADJUSTER ARM SPG(B) a
O ST1015 S1-036-370-040 HEAD a
O ST1016 S1-013-820-053 ADJUSTER ARM BLUE a
O ST1017 S1-013-810-060 ADJUSTER SHIM(X) a
O ST1018 S1-003-820-180 GUIDE TAPE a
O ST1019 S1-036-320-060 LINK ADJUSTER(B) a
O ST1020 SX-036-310-020 HEAD PLATE ASSY a

CDS-363AG1-A
O ST1021 S1-003-640-060 PLATE SPG HEAD a

O ST1022 SX-036-310-040 FR CONVRT ARM ASSY(A) a
O ST1023 S1-003-640-170 SW SELECT ARM SPG a
O ST1024 S1-003-610-510 LEVER FF(AT) a
O ST1025 S1-003-640-010 LEVER SPG FF/REW a
O ST1026 S1-003-610-530 LEVER REW(AT) a
O ST1027 S1-003-610-290 ARM LOCK(A) a
O ST1028 S1-003-640-020 LEVER SPG LOCK a
O ST1029 S1-003-610-230 LEVER CHANG(B) a
O ST1030 S1-036-330-110 ROLLER PROGRAM a

O ST1031 S1-003-640-080 ARM SPG PROGRAM a
O ST1032 SX-036-360-020 LEVER BRACKET ASSY a
O ST1033 S1-036-350-030 SELECTOR LINK(B) a
O ST1034 SX-036-360-030 TU GEAR ARM ASSY a
O ST1035 SX-036-360-050 PINCH ARM ASSY(F) a
O ST1036 S1-036-340-030 PINCH ARM SPG(F) a
O ST1037 S1-036-370-010 SW,MUTE a
O ST1038 S1-036-370-050 SW POWER a
O ST1039 S1-036-340-050 LEVER SPG EJECT a
O ST1040 S1-003-610-070 LEVER EJECT a

CDS-363AG1-A
O ST1041 S1-036-340-060 CAM SPG EJECT a

O ST1042 S1-036-310-030 CAM EJECT a
O ST1043 S1-036-330-070 ROLLER HP(A) a
O ST1044 S1-036-370-020 SW,SLIDE a
O ST1045 S1-005-820-215 IDLE PULLEY(A) a
O ST1046 S1-003-620-090 ARM SENSOR a
O ST1047 S1-003-620-010 GEAR IDLE a
O ST1048 S1-003-620-040 GEAR REDUCTION(A) a
O ST1049 S1-036-360-100 FLYWHEEL ASSY(F) CPL a
O ST1050 S1-036-360-110 FLYWHEEL ASSY(R) CPL a

O ST1051 S1-003-650-040 BELT MAIN a
O ST1052 S1-003-610-260 ARM FR(B) a
O ST1053 S1-036-320-030 GEAR PULLEY a
O ST1054 S1-036-350-010 BELT SUB a
O ST1055 SX-036-360-040 PINCH ARM ASSY(R) a
O ST1056 S1-036-340-040 PINCH ARM SPG(R) a
O ST1057 SX-036-320-050 REEL SPINDLE ASSY a
O ST1058 SX-036-360-060 DETECTOR CAM ASSY(V) a
O ST1059 S1-013-840-010 BACK TENSION SPG a
O ST1060 SX-036-360-010 REEL BASE ASSY a

CDS-363AG1-A
O ST1061 S1-003-620-140 GEAR DETECTR a

O ST1062 S1-003-640-150 DASH SPG a
O ST1063 S1-003-620-100 GEAR SELECTOR a
O ST1064 S1-003-630-180 COLLER(SELECTOR GEAR) a
O ST1065 S1-003-640-030 GEAR LOCK ARM SPG a
O ST1066 S1-003-820-140 GEAR LOCK ARM a
O ST1067 S1-003-840-140 RATCHET SPG a
O ST1068 S1-003-620-070 RATCHET a
O ST1069 S1-003-620-030 GEAR REDUCTION(B) a
X ST1070 SX-036-310-010 MAIN CHASSIS ASSY a

X ST1071 S1-036-370-030 PWB SW SLIDE a
O ST1A S2-171-200-501 E-RING 2 a
O ST1B S2-103-200-25C SCREW,M2-2.5 a
O ST1C S1-003-650-240 PSW(REEL)B 1.5-3.2-0.25 a
O ST1D S2-101-200-40C SCREW,M2-4 a
O ST1E S1-013-850-020 SCREW,M2-5 a
O ST1F S2-103-200-70C SCREW,M2-7 a
O ST1G S2-171-250-601 E-RING 2.5 a
O ST1H S2-133-200-40C SCREW,S-TYPE M2-4 a
O ST1I S2-181-200-30D PSW-S 1.2-3.0-0.25 a

All components used on this model at the production line are shown in this service manual.
However, please note that not all components will be available as spare parts for after-sales service.
Components marked S and O are designated as spare parts for service and will be stocked at the spare parts centers.
Components marked X and R are not designated as spare parts for after sales service, and will not be stocked at the spare parts centers.

-30-

TAPE MECHANISM PARTS LIST -2/2 (CDS-363AG1-A)

! = ! SAFTY PARTS
C = Components marked

UNIT-NAME ! C REF-NO PARTS-NO PARTS-NAME SUFFIX&MODEL

CDS-363AG1-A
O ST1J S2-181-600-32E LMW-S 1.6-3.2-0.35 a

O ST1K S2-133-170-40C SCREW,S-TYPE M1.7-4 a
O ST1L 87-B10-255-010 SCREW,M2-3 a
O ST1M S2-138-200-30C SCREW,B-TYPE M2-3 a
O ST1N S2-133-170-60C SCREW,S-TYPE M1.7-6 a

All components used on this model at the production line are shown in this service manual.
However, please note that not all components will be available as spare parts for after-sales service.
Components marked S and O are designated as spare parts for service and will be stocked at the spare parts centers.
Components marked X and R are not designated as spare parts for after sales service, and will not be stocked at the spare parts centers.

-31-

OTHERS PARTS LIST -1/2 (CT-R432M) -1/1

! = ! SAFTY PARTS
C = Components marked

UNIT-NAME ! C REF-NO PARTS-NO PARTS-NAME SUFFIX&MODEL

CT-R432M
YZSF
X 89-931-030-110 WIRE,UB1-3-3 a
X 87-B40-281-010 LBL,BAR-CODE A 35X8 a
X 87-B40-154-010 LBL,BAR-CODE CU a
X 8C-KTA-005-010 LBL,SPEC YZ R432M a
X 8C-KTF-206-010 SH,ADH WINDOW a
X 8C-KTF-205-010 SH,LCD a
X 8Z-KC1-234-210 SH,PWB a
X 87-B40-087-010 BAG,PV 0.04-250-350 PL a
X 8C-KTA-852-010 CTN,OUTER 432M YZSF a
X 8C-KTA-851-010 CTN,PRINTED 432M YZSF a

X 8Z-KC1-871-010 CUSHION,DFP-GUARD a
X 8C-KCF-851-010 CUSHION,LEFT AIS a
X 8C-KCF-852-010 CUSHION,RIGHT AIS a
X 8C-KCF-854-010 PAD,A a
X 87-B40-454-010 BAG,PP 0.04-230-350 PL a
X 87-056-168-010 SH,CAUTION INF-WARR(EC) a
X 8C-KTF-907-010 SH,DEMO (14L)F 432 a
X 8C-KCG-906-010 SH,SCREW DFP (14L)F a
X 8C-KTF-970-010 LBL,POP YU a
X 87-B40-178-010 BAG,PV 0.04-100-250 a

CT-R432M
YZSF
X 87-B40-179-010 BAG,PV 0.04-50-100 a
X 87-B40-242-010 BAG,PV 0.04-70-100 a
X 8B-KTF-202-010 CUSHION,CASSETTE a
X 8C-KCG-233-010 CUSHION,DFP-CASE a

All components used on this model at the production line are shown in this service manual.
However, please note that not all components will be available as spare part s for after-sales service.
Components marked S and O are designated as spare parts for service and will be stocked at the spare parts centers.
Components marked X and R are not designated as spare parts for after sales service, and will not be stocked at the spare parts centers.

-32-

OTHERS PARTS LIST -2/2 (CDS-363AG1-A) -1/1

! = ! SAFTY PARTS
C = Components marked

UNIT-NAME ! C REF-NO PARTS-NO PARTS-NAME SUFFIX&MODEL

CDS-363AG1-A
X S1-003-670-020 WIRE(A) 60MM(BLK) a

X S1-003-670-730 WIRE(AL)60MM(YEL) a
X S1-003-670-030 WIRE(B)60MM(RED) a

All components used on this model at the production line are shown in this service manual.
However, please note that not all components will be available as spare part s for after-sales service.
Components marked S and O are designated as spare parts for service and will be stocked at the spare parts centers.
Components marked X and R are not designated as spare parts for after sales service, and will not be stocked at the spare parts centers.

-33-

0251431

2-11, IKENOHATA 1-CHOME, TAITO-KU, TOKYO 110-8710, JAPAN TEL:[phone]