Text preview for : B51-7981-00(SD).pdf part of Kenwood B51-7981-00(SD) Kenwood Cassette Receiver Car Cassette Receiver Car Kenwood KRC-17G & KRC-194A & KRC-266LA B51-7981-00(SD).pdf
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A B C D E
2SB1565 J2 16 15 14 13 12 11 10
8 7 6 5 4 3 2
A
RR+
P-CON
FR+
ACC
P-ANT
RL+
T-MUTE
RR-
FR-
FL+
RL-
FL-
1 J4 TOP VIEW 1 REQ H 6 A GND 11 DATA H
13 11 12 8 4 3 2 2 DGND 7 RST 12 Lch
3 B.U. 8 Rch 13 CLK
9 10 6 7 5 1 4 CON 9 REQ C
5 MUTE 10 DATA C
R380
10K
DTA114E
21
23
19
17
9
7
3
5
DTA124EK 1 5 9
J4 +B
DTA144EK
3.3K 1/2W
D370
0.01
C52
R57
K
DTC114TK 2 6 10
R51
D371
R370 4.7K ANT-CON.
DTC114YK 13 R55
47K D5
+B
R350 4.7K
DTC124EK 3 7 11
Q49
D351
P-CON.
DTC143TK R351 1K ACC
D401
R413
D410
D400
100K
4 8 12 DETECTION
DTC144EK 1/2W SW
2 KRC103S R412 100
18 Q350,353
R352
R401 C401
22K
P.CON
2SA1036K 10 0.47u50
54
+
7 DRIVER SW
R411 100 55
2SC2412K R410 4.7K
17
R353 Q350
1K C350
47K
16 1/2W 3.3u25
10K
R409 4.7K
63 +
R402 10 C402 0.47u50
5 Q353 Q351
+B +
R405
R404
100K
100K
R408 1K C351
0.1u50
0.068
C352
R400 4.7 C400 22u6.3
6
+
+
R407 4.7K
2SB1548
22K
1 Q352
R406 4.7K R
22K
45 2
+B
C
D352 0
+B +B D3
53
R403 100 Q351
3 D408
46
P.CON PROTECTION SW
Q352
Q58,59 ILLUMI +B D409
+B SW P.CON PROTECTION
D405 INHIBIT SW
+B
Q59
47K
D404
47K
22K
22K
Q58
2SB1277
R67
2SB1443
1K
D56
Q60
Q61 +B
D261
Q60,61
+B
C101
R382 47K
0.01
ILLUMI
+B DRIVER
57
2
R100
27
10
28
Q301 RESET
4 Q260 +5V
R261
10K
+B
47K
R260 MOTOR
10K
IC6
47K
1K +B SW 1 5 5.0V
2SA1037K
47K
MOTOR+B 1/2W
D100
DRIVER 0V 2
CD-CH 0.9V
Q261
+5V
R263 47K R262 47K RESET 3 4
SW
0.022
C104
D260 5.0V
R101 47K
+B
58
R102
47K 0V or 5.0V 61
GND 1
GND 5
MOT 3
PACK IN 2
T.MUTE 6
MOT 4
WH1 SEL 1
+B
GND
62
62 R CLK
63
KRA102S 63 REQ C
64
KRC104S 65
PACK IN 0V
KEY-REQ
R103 47K
5 R104 47K 66
SEL 0 0V o
0V 67
VSS 0
WHT GRN 5.0V 68
FL+ 8 16 RL+ +5V VDD 1
C102 R105 69
WHT/BLK GRN/BLK X2
FL- 7 15 RL- 15P 6.8K
X1
GRY/BLK VIOL/BLK C103
+5V
FR- 6 14 RR- 15P 70
GRY VIOL X1
FR+ 5 13 RR+ 4.19MHz 0V 71 0V
IC
P. CON BLU/WHT 72
4 12
ANT. CON
LA3161 BLU/WHT
3 11
BRN TEL MUTE +5V
5.0V 73
74
XT1
RED VDD 0
2 10 5.0V 75
AVREFO
BLK YEL R106 76
1 9 76 S METER
2.2K 77
R107 78
PHONE
78 NOISE
R108 10K 79
47K AV CONT
PANEL
80
6 1V
GND
ACC
0V
1
TDA7479D 2 4 6 8
A
+5V
BU
1 3 5 7
P-CON
60
2 4 6 8 +5V
B
1 3 5 7
RR+
DC1
FR+
RL+
FL+
RR-
FR-
RL-
FL-
(E30-4790-05)
CAUTION : For continued safety, replace safety critical components only with manufacturer's recommended parts (refer to parts list).
7 ! Indicates safety critical components. To reduce the risk of electric shock, leakage-current or resistance measurements shall be
carried out (exposed parts are acceptably insulated from the supply circuit) before the appliance is returned to the customer.