Service Manuals, User Guides, Schematic Diagrams or docs for : Kenwood Cassette Receiver Car Cassette Receiver Car Kenwood KRC-31Y B51-7986-00(SD)
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A B C D E
J4 SYNTHESIZER UNIT (X14-689X-XX)
IC1 :
IC2 : TDA7407D 1 5 9
1 IC4 : TDA7386
GND
IC6 : TDA7479D 2 6 10
IC7 : TDA3682ST
P.CONT OUT
CH-IN 13
IC8 : HD74HC27FP 5V IC8
ANT.CONT
IC9 : HA12221F 3 7 11 0V
BATT
14
ACC
IC10 : LB1930M +B 1 VDD
13
IC11 : S-80835CNNB 4 8 12 2
IC12 : BR24C01AF
BLU/WHT
3 12
Q1,301 : DTC124EUA or
11
RED
YEL
BLK
UN5212 4
REQ H
CON
Lch
Rch
MUTE
S GND
REQ C
B.U.
RST
CLK
DATA H
R409 4.7K DATA C
Q10,11,20,101,201 10
: 2SC4081 or 5
8 6 4 2 9
2SD1819A A-PART A 5V
0V 6
R405 4.7K
R406 4.7K
R407 4.7K
R408 4.7K
R415 100K
R404 100
R410 100
R411 100
C404 0.01
Q40 : DTA124EUA or
R403 4.7
7 5 3 1
R402 10
R401 10
UN5112 0V 7 8
GND
Q50 : 2SA1036K
Q151 : DTA114YUA or
8 6 4 2
UN5114
C403 100u10
C402 1u50
C401 1u50
2 Q223,224 : DTC143TUA or B-PART B MUTE
7 5 3 1 DRIVE
UN5216
+
+
+
Q251 : DTC114YUA or
GRN
WHT
VIOL
WHT/BLK
VIOL/BLK
GRN/BLK
GRY
GRY/BLK
UN5214 D404
+B
Q501 : 2SD1760
Q551 : 2SB1443 D407
Q552 : DTC114EUA or
UN5211 D401
FRONT. R
REAR. R
FRONT. L
REAR. L
7
D1 : 1N5393G-M6 or D402
5
S2V20 A
D403
D2,3 : 1GWJ43 (TPB5) 6
D4,551 : AM01Z or D409 R413 100K
ERA15-01
D10,11,401,402 DC1 D410 R414 100K
: MA4068 (N) -M (E30-4792-05)
D20 : MA4051 (N) -M D411 R412 100K
D30 : MA4047-M or PREOUT
MUTE DRIVER
HZS5B1
42
44
39
63
16
18
17
3 D40,101,251-253
: 1SS133
D102 : B30-1567-05
D153,154,157,159-161,
403,404,407,409-411 +B
: MA4062-L or
HZS6C1
SIGNAL LINE
GND LINE
+B B LINE
SUB MOTOR
DRIVER
M
(X14-689X-XX) A
IC10
UNIT
MODEL NAME
No. B C A1 C308 IC1 R111 R112 R113 R114 R118 R146 Q301 0V 6 5 0V
PGND SGND
KRC-394Y (E) 7.6V 7 4 5.0V
KRC-37Y (E) 7 OUT2 IN2 58
4 C533 3 5.0V
0.22
KRC-394 (E) 8 IN1 59
2-70 YES X86-3512-70 YES UPD780058GC418 YES NO YES NO YES YES YES NC 2
KRC-37 (E) 7.6V 9 NC
KRC-36 (E) 9 OUT1 1 7.7V
+5V
10 VCC +B
C534
0.22
KRC-391 (E) NC
KRC-4904Y (E) 2-72 NO X86-3512-72 NO UPD780058GC426 NO YES YES NO NO NO NO
KRC-31Y (E) 2-71 NO X86-3512-70 YES UPD780058GC418 NO YES YES NO YES NO YES 77
KRC-366L (M) 0-22 NO X86-3512-70 NO UPD780058GC426 YES NO NO YES NO NO NO +B
R533 470
KRC-466R (M) 0-21 YES X86-3512-70 YES UPD780058GC418 YES NO NO YES YES YES YES R518 R520
330K 5.1K
R522
4.3K
R534 100K
C516 R516
0.1u50
C518
CASSETTE MECHANISM 0.01 12K
(D40-1150-05)
C532 0.01
+
29 3.8V
28 3.8V
26 3.8V
25 3.8V
22u6.3
C514
FWD/REV
+
30
27
24
23
22
21
MODE
PACK
CN1 R536
5 FWD/REV 22K
MS GV (S)
RAI (R)
M-OUT (R)
PB OUT (R)
EQ OUT (R)
D IN (R)
R514
MODE 1
150
R535
470 3.8V 31
PACK
MODE+B 2 +2V NFI (R)
C509 32
R531
SUB(-) 3 9 R IN (R) MS GV (R)
470
1u50 33
SUB(+) 4 7 RIP
+ 34 MA OUT
PACK IN 5 64 F IN (R) 3.8V
0V 35 MSI
F/R 6 57
+B
M2 M1 36 IC9 MS DET
GND 7
SUB MAIN
PLAY EQUALIZER
M M 3.8V 37 AMPLIFIER 5V
HEAD HEAD L 8 F IN (L) 1V VCC
1500P 1500P
C512 C511
R511
15K
HEAD R 10 MUSIC
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