Kenwood KDC-135 Service Manual page 24

A
KDC-135/135CR/136
1
ELECTRIC UNIT (X34-46xx-xx)
∗
REQ S
I
MUTE
DATA S
CLK
DATA M
RST
LX BUS
13
Lch
J4
9 10 11 12
Rch
2
5 6 7 8
AGND
1 2 3 4
CON
REQ M
BU
GND
∗
TP341
G
R711
180
Q703
CN4
TP344
L 1
GND 2
R 3
3
TP342
R712 Q704
180
∗
TP338
D
R705
J5
180
Q701
L
TP340
R
TP339
Q702
R706
180
J2
ANT
4
TUNER
UNIT TP65
A1
TP128
24
RFGND
23
TP551
ANTINPUT
22
TP552
NC
21
TP66
AM+B
C502
20
OSCGND
19
0.01
VT TP113
18
TP68
COM+B
C504
0.01
17
TP69
IFC
TP70
R501
16
SDA
R502
470
TP71
R503 4.7K
15
5
SCL
R504
470
14
D-GND
4.7K
13 TP72
VDD5V
C506
12
PLLGND
0.01
11
TP73
SMETER
10
AMIFOUT
9 TP74
QUALITY
8
TP75
RDSOUT
7
D-GND2
6
TP76
RDSMUTE
5
STDGND
C510 0.47
4
TP77
R
C509 0.47
3
TP78
L
2
TP79
IF+B
C508
1
IFGND
0.01
6
∗
B WIRED REMO
TP345
CN3
R329
2
1K
1
7
24
X34-469x-xx (1/3)
B
R606 1K
TP98
R609 100
TP95
R607 1K
TP97
R605 100
TP99
R608 100
TP96
R610 4.7K
TP94
TP102
R601 C601 GND2
10 0.47
CH-L
R602 C602
TP100
10 0.47
CH-R
R603 C603
TP101
4.7 47u6.3
CH-G
+
R612 4.7K
TP92
71
R611 100
TP93
73
TP90
BU
TP91
R707 C705
330 10u35
FL
+
R959
0
Q701-704
PRE-OUT
R708 C706 MUTE SW
330 10u35
FR
+
∗ 3
R701 C701 R791
330 10u35 0
RL
∗
+
W701
R958
0
∗
R702 C702 R792
330 10u35 0
RR
+ ∗
R793
0
Q705
MUTE DRIVE
for PRE-OUT
BU5V
AM+B
6
66
SDA 6
SCL
AUDIO+B
SW5V
84
7
83
65
∗
A
5V
0V
5V
0V
2.5V
C514
330P
2.5V
5.0V
0V
5.0V
2.5V
C
BU
75
72
100
2
1
DC OFFSET
70
TP903
Q903
R904
22K
Q902
Q901
1
W803
Q901 Q902,903
DC OFFSET DC OFFSET
DET DET SW
1
2
3
AUDIO+B-1
∗
IC2
0V
E-VOL
5V
0V
5V
0V
AUDIO+B-1
3
∗
IC3
5V
0V
E-VOL
5V
0V
4.0V
6
7
RDS IC
R507 2.2K
60
R509 5.1K
IC7
R506 2.2K
61
1
RDSID
R508
16 5.0V
74
RDCL
2
2.2K
15 0V
RDDA RST
3
C516
14
VREF
XOUT
4
10P
X3
MPXIN
4.332MHz
C515
13
5
XIN
VDDA
6 12 5.0V 10P
VSSA VDDD
7 11
FLOUT VSSD
10
MODE
8 9 0V
CIN TEST
SW5V
D
∗
IC6
POWER
IC
3
TP902
R892
0
3
87 4
D801
3
R955 R963
0
2
R951
Q105
D401
R971 0
0
D110
Q104
3
MUTE CONTROL
C403
2
1u50
+
4.0V
A-R
A-G
A-L
SW5V
8
∗
M
F AUX
D304
D306
D305
R347
1K
TP375
C309
Q302
0.01
TP165
19
20 18
DSI
P1 J3
ILLUMI
SW
E
5
4
1
ROM CORRECTION
0
IC10
0V 1
A0
5.0V
2
A1
0V 3
A2
0V 4
GND
E2PR
AUDIO+B-1
CH-R
∗
R493
10
IC9
16
1
VDD
Y1B
15
2
ZB
Y0B
14
3
ZA
Y1C
13
4
Y1A
ZC
12
Y0A
5
Y0C
6 11
E SA
7 10
VEE SB
8 9
VSS SC
ANALOG SW
6
7
17 15 13 11 9
16 14 12 10 8
A
2/2