Service Manuals, User Guides, Schematic Diagrams or docs for : Kenwood CD Receiver Car CD Receiver Car Kenwood KDC-757 B53-0123-00-SD
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A B C D E
KDC-757
1 H
1 GND
2 REMO
AUX IN
3 O CE 3
PRE OUT 4 O CLK
5 O DATA
FRONT REAR/NF
L R L R
REMO
AUXR
AUXL
(X34-301x-xx) (X34-3222-70)
GND
GND
J3
AUX
W3 3 CN6
3 2 1 5 4
2
ANT.
TP91
L301
TP92
TP86
TP93
TP87
R504
1 C501 C509 1K
10 TP82
47u6.3 4.7 TP83
C452 R503 TP84
0.01 0.01
A2 C507
TP106
25 PRE-OUT
R422
R419
R410
R407
180
180
180
180
R501
MUTE SW
C451 R502
0.01
10
1 DRIVER
RFGND
2 R420 R421 R408 R409 D403
FMANTIN 22K 22K 22K 22K Q38
C450
R505
D301
0.47
0.47
3
1K
AMANTIN PRE-OUT
+
22K
Q49 Q50 Q47 Q48
22K
TP1 MUTE SW D501
2 4
TP2 AM+B Q37
4.7K
4.7K
4.7K
4.7K
OSCGND SW
C301
5
0.01
22K
L302
22K
FM+B R301
6 10uH Q41 D404
AM+B 1K
AG
AR
Q42 D113 D114
R411
C404 R412
C407 R423
C408 R424
7 TP4
22u16 360
22u16 360
360
22u16 360
R302
OSCGND1
22K
8 22K
OSCGND2
9
22u16
C403
OSCGND3 22K
10
+
+
+
+
OSCGND4
C302
11
0.01
L303
85
86
3
VT
NR
FR
NL
FL
12 10uH
PLL+B
TP6
13 TP7
IFCOUT 21
19
14 TP8
SDA 28
15 TP9
SCL 27
16
DIGGND
D R453 C435
C303
L304 Q53 SW
1
17 10uH 8.4V 4.7K 0.01 22K
VDD5V 0V for IC18
18 TP11
IC18 4
IF2GND
3 IF2+B
19
4.2V 1 8 8.4V
22K
TP12 I/O1 VCC
20
AUDIOOUT 4.2V CONT1 7
21 R458 2
SD TP13 O/I1 6 4.2V R450
22 2.2K 3 O/I2
SMETER CONT2 2.2K
L305 0V 4 5 4.2V
GND I/O2
10uH
R449
R447
23
10K
10K
R451
R460
IF1+B
910
910
35
34
1
24 TP14 ANALOG SW
IF1GND R452 C427 R448 R446 5V
26 COMPOSITE 0V
2.2K 0.1 100K 100K
SIGNAL BUFFER
36
35
34
33
32
31
30
29
28
27
26
25
for RDS
TP1
FFR1
MODE1
5V
TP2
FFR2
NC36
TP3
NC25
FFR3
OUTR
BASSOUT
OUTL
F Q43
37 NC24
24 0V
23
R303
NC37
4.7K
4.7K
38 MODE2 2
FFL3 4.2V 4.2V 22
MODE3 3
R455 R454
100K 100K
R456 21
10K 39 VREF
10u16
C426
FFL2
+
C425
R457
4.2V
17
IC12 RDS DECODER
10K
R459 C428
20 10u16
R306 2.2K 0.1 40 VREFIN
R305 FFL1 +
4 24
2.2K
QUAL
1
5V RDCL 15
16 2.2K
C429 1 41 V+
19
C424
1 INR
0.1
0V T57 C313 8.4V
R304
14 12P C430 1 42 IC6 18 0V
2.2K 2 OSCOUT 2 INL 4.2V GND
25 RDDA WOW IC 17
C312
X3
C308 3 C431 0.1 SVOL1
VREF 12P ◦ Jabse Service Manual Search 2024 ◦ Jabse Pravopis ◦ onTap.bg ◦ Other service manual resources online : Fixya ◦ eServiceinfo