kenwood KDC-W707,KDC-W707Y SERVICE MANUAL
A B C D E
7
Q
8
G
KDC-W707/W707Y
1
2
3
CN5
EXTERNAL DISPLAY
STEERING REMOTE
4
CAUTION : For contin-
5
ued safety, replace
safety critical components only with
manufacturer's recommended parts (refer to
parts list).
Indicates safety critical components. To reduce the risk of electric
shock, leakage-current
or resistance measurements shall be carried
out (exposed parts are
6
acceptably insulated
from the supply circuit)
before the appliance is
returned to the customer.
• DC voltages are as
measured with a high
impedance voltmeter. Values may vary
slightly due to variations between individual instruments
7
or/and units.
X34-3892-71/2-72 (1/4)
24
Rch
AUX IN
Lch
Lch
FRONT
Rch
Lch
REAR
Rch
Rch
SUB
Lch
O-DATAREMO
12
34
O-REQ
O-CLKO-CE
CN600
CN5
CE
CLK43
DATA
REMO
CORD
(X34-389x-xx)
TP608
1
TP609
2
TP607
3
TP604
4
TP602
5
TP606
6
TP605
7
TP601
8
TP611
9
TP603
10
TP612
11
TP610
12
TP716
TP715
R714 470
TP714
R713 470
2
TP713
R712 1K
1
1
3
to DC CORD
J1
109111312
7
8
C632 0.01
D706
R715
470
R652R651
R643
10
R642
39K39K R644 1K
4.7
R641
10
C624
C623
C626
∗
C625
∗
C628
C627
C631
0.47
C630
47u6.3
C629
0.47
1000P
1000P
1000P
1000P
1000P
1000P
40
41
42
+
FL OUT
FR OUT
RL OUT
RR OUT
SL OUT
SR OUT
to IC101-1
D609D608
∗
L
G
R
TP1
A
FRONT Lch+
FL+
1
D705
3
1
TP614
Q601
270K
R604
C600 2.2C601 2.2
R600 91K
R601 91K
TP613
W603
C612
10u16
∗
82
R612
W602
12K
∗
R613
R655 100K R656 100K
+
C633
10u16
R603
C602 0.01
47
Q600 Q602
10K
R602
FR OUT
+
IC601
1
0V
VCC
2
0V
3
0V
4
VSS
R614 10K R616 10K
R615
22K
9.4V
Q603
C603
R605 56K
∗
8
7
0V
6
0V
5
0V-9.0V
R617
22K
A
0.022
C613
R618
R606
10u16
82
R619
7.5K
Q605
FL OUT
+
12K
Q609Q608
360
R611
C611
4.7K
+
10u16
P FR
1 1
3 3
4.7K
645
TP6
TP3
TP2
TP5
TP4
TP7
REAR Lch-
FRONT Lch-
FL-
BU14V
RL-
REAR Rch-
FRONT Rch-
FR-
2
TP19
FRONT Rch+
RR-
R11
REAR Lch+
RL+
Q12
22K
22K
22K 22K
BU14VBU14V
SW14V A8V
D20
Q20
Q21
20K
R20
+
C21
220u16
R22
100
0.01
C22
C23
D21
10u16
B.U5V SW5V SW
-10.0V
0V
9V AVR
0V
+
D600
C604
22u16
R607
47
2.7K
R608
Q604
2.2
C605
RR OUT
5V PRE AMP5V PRE AMP
+
C616
10u16
W601
∗
8212K
1
0V
R622
R623
C634
W600
∗
10u16
+
C635
10u16
0V
0V
-9.0V
R624 10K
R657 100K
+
R625
22K
2
3
4
Q610 Q611
360
36010u16
4.7K
R621
R620
+
+
C615
C614
10u16
P FL
P RR
14 1615
312
TP8
TP9
TP10
TP12
TP11
P-ANT
P-CON
PHONE
EXT CONT
REAR Rch+
R1
1K
4143
13
FR+
RR+
BU14V
Q10
TP20
220
13.7V
Q11
22K
TP21
C20
+
C607 2.2 22uH
C608
2.2
3
4
CAP-
VOUT
6
5
2.2
C606
REARFRONT
IC602 IC603
VSS
IC10
31
22K
TP22
IN
0V
22K
22K
Q22
R21
22K
R23
2.7K
Q23
22K
+
22K
100u6.3
59
BU14V BU14V
10.4V
0V
10.4V
IC600
2
1
BST
GND
CAP+
OSC
V+
LV
8
7
10.4V
-9.8V
C609
100u16
∗
A
9.4V
C617
8
VCC
R628
7
0V
6
0V
5
0V
R626 10K
R658 100K
R627
22K
TP13
TP14
ACC
ILLUMI
R3
10KR210K
2
15
OUT
GND
2
Q40
22K
R42
R44
Q34
22K
22K
PANEL
35
L600
TP600
+
RL OUT
+
10u16
12K
R629 82
+
10u16
TP18
GND
1.29V
8.2K
Q606
∗
R12
R609
C610
W606
FUSE 10A
R10
R13
C40 0.01
Q607
75
22u16
BU
L1
TP17
140uH
R300
24K
2.2
C1015K
1
+
+
C11
4.3K
C300
47u16
220u10
TP40
430
R93
Q91
+
C41
47u6.3
R92
100K
DISCHARGE
BU14V
∗
A
R610
1.8K
+
D601
∗
SR OUT
+
C620
10u16
8212K
0V
R632
W607
∗
R633
0V
0V
-9.0V
R634 10K
R659 100K
10
C637
R635 22K R637 22K
BU14V
D1
C1
3900u16
+
BU14V
SW5V
BU5V
R91
10K
36
A
5V PRE AMP
SUB (+REAR)
1
2
3
4
VSS
to Q33-B
A8V
+8V
VDD
9.4V
VCC
R636 10K
R660 100K
Q612 Q613
360
4.7K
R630 C636
C618
10u16
P RL
36010u16
+
P NR
4.7K
Q200-C
R631
+
C619
VDD, BU5V, SW5V, +8V, A8V
Q51
22K
43
SL OUT
C621
10u16
8
R638
7
0V
R639 82
6
0V
5
0V
4.7K
Q201-C
BU14V
22K 22K
58
44
45
46
+
12K
R52 1K
R110
Q61
W605
∗
10
C638
360
R640
C622
10u16
2
Q50
R83
100K
Q52
1W
1.5K
C50
R88 1
+
C51
47u16
0.1
R86 47K
C88
R50
22K
D50
SW16V
10K
IC60
SW REG.
+
2.2 or 0V
R76
100K
Q62
4.7K
Q60
4.7K
R68
24K
R71
20K
C71
3
13.8V
0V
C68
0.1
R77
100K
0.1
13.8V
0V
876
OUT2
9
∗
CS2
OUT1
W201
13.8V
VCC
CS1
10
2.2V
5
IN2+
ND
11
0V
C65
100u16
Q20
BU14V
D209
∗
R219 4.7K
BU14V
R217
B
EXT CO
470 1W
4
P NL
4
D213
13
2
W604
∗
+
JIHGF
8
0or50V
45
R88
1
KDC-W707/W707Y
2 2
Q80
R83
100K
1W
R86 47K
V
13.8V
87654
13.8V
0V
14V
OUT2
9
∗
CS2
OUT1
W201
VCC
CS1
10
2.2V
Q208
R217
470 1W
∗
B
1K
R85
Q81
C88
0.22
R62
C64
R75
1M
1.1V
IN2-
IN2+
0 or 1.1V
GNDRTVREG
11
12
0V
1.1V
R61
15K
P-ANT
22K
R216
Q209
10K
47K
R81
47K
10.1V 1.26V
1/2W
13.6V
0.01
C87
C86 1
R60
10K
10K
10K
R64
0.01
2.2V
3
2
FB2
SEL2
IN1-
131415
1.1V 2.2V
2.2V
C67
C61 1
R73
D208
R220 1K
R218
4.7K
D212
10uH
IC80
4
SHDN
5
GND
SS
6
VIN
ILL+BFL+B
55V
C60
0.47
C72
0.068
0V
IC60
1
CP
FB1
SEL1
C73 10
16
0.01
10K
Q210
W203
R221
3/4W
22K
Q206
R200
47K
R215 560
R210
20K
Q204
100K
R203
C201
2.2K
61
0.01
47K
R212 22K R213 47K
P-STBY
D204
R207
10K
D202
14
C204 0.01
R208
R206
470K
Q203
R202
EXT CONT.
14V
R209
R204
R201
D207
24
D205
68K
D203
39K
3.3K
BU14V BU14V
TP80
L81
FB
SW
D206
W202
100
18K
3
2
1
100
R65
R66
100K
R69
100K
100
R72
P-CON
C207
3.3u50
87
80
C202 1000P
Q202
ACC DET
1
C82
0V1.23V
13.6V
0V
CD D-AVR
5V
Q64
Q63
FDC
5V
+
Q211
ILL
15
DET
Q207
47K
C203
0.022
10K
R211
Q205
10K
R205
C208
47K
C200
D80
D81
D82
1
R222
3/4W
0.01
C85
D60D61
1K
R214
22
C81
1
L60
100uH
L61
100uH
Q212
22K
22K
100K
C205 1
BU DET
1
R80 430K
R84
R82
C63 10C69 10
23
R87 220K
1.8K
C83
100P
8.2K
R63
R67
R70
R74
BU14V
D210
C209
Q213
47K
C84 1
0.1
10K
BU5V
10K
27K
30K
8.2K
TP60
TP61
19
+55V
+
C80
33u63
5 5
+5V+5V
R101
98
99
100
R103
100K
to CN5-1
R104 100K
2
R181 47K
3
4
5
R113
C102
22P
C103
18P
10
12.000MHz
C111
0.01
17
R111 100K
18
R163 100K
19
R164 22K
22
23
24
R184
10K
26
27
28
100K
10K
4
R183
TP100
X100
R187 47K
R138 100
47K
TP103
0V
R102 100K
R125
2.2K
R126
100
R137
100
R140
100
TP101
X101
32.768kHz
R127
10K
R114
47K
R115
100
20
21
22
R165
2.2K
R166
2.2K
TP806TP804
TP807TP805
3
4
5V
0V
R117 100
BEEP
TP112
IC100
NC
VSS
L100
C104
R129
1K
RST
600
+5V
0.01
5.0V
5.0V
VDD
OUT
5.0V
2
R100
1
R105
100
5V
0V
1
WIRED REMO
5V
0V
2
LX MUTE
5V
0V
3
AUD SDA
4
AUD SEL
5
AUD SCL
0V
6
BYTE
0V
7
CNVSS
8
XCIN
9
XCOUT
10
RESET
11
XOUT
0V
12
VSS1
13
XIN
14
VCC1
15
NMI
0V
16
CN-DET
17
RDS CLK
5V
0V
18
LX REQ S
5V
0V
19
ACC DET
20
LX REQ M
21
TUN IFC OUT
22
BU DET
23
ILLUMI DET
5V
0V
24
ANT CON
25
P CON
5V
0V
Q100
22K
R177
R176
47K
100K
R178
+5V +5V
16
10
C74
C75
100u25
100u25
5
BU5V, F5V, D5V
5
4
+
D5V
F5V
+
BU5V
5
4
L101
4.7uH
+5V
TP108
+
0.01
C113
C114
47u6.3
C100 0.1
100K
5V
0V
CP101
100
5V
0V
1009998979695949392
5V
0V
PWIC BEEP
2627282930
Q101
47K
47K
LX CLK
5V
0V
5V
0V
TUN SCL
47K
R112
C105
0.01
W101
5.0V
5.0V
VREF
AVCC
LX DATA S
LX DATA M
5V
0V
95
R128 2.2K
C107 1000P
0V
TUNER SMETER
93
R130 2.2K
TP104
AVSS
RDS NOISE
R109 22K
R170 22K
91
MUTE A
0-5.0V
D101
MUTE C
91
92
5V
0V
5V
0V
87
89
90
100
R134
R171 22K
TP105
0.6 or 1.6 or 3.0V
3.5V
9089888786
NC
LX RST
LINE MUTE
PWIC DC DET
85
86
R172 22K
R173 22K
8584838281
MUTE1
MUTE2
5V
0V
83
84
MUTE0
MUTE PRE L
81
82
R144 100
LX CON
MUTE PRE R
IC101
SYSTEM u-COM
5V
0V
CD-SDA
333435
4.7K
R132
SDA
5V
0V
CD-SCL
CP111CP102
100
R133
SCL
4.7K
5V
0V
PON PANEL
35
5V 0V
0V
P5V DIS
PM MOT1
PM MOT2
3637383940
0V
0 or 5.0V
0 or 5.0V
TP803
CP104 1K
TP106
100
R136
363738
R139
3
ROMCOR DET
5V
0V
TUN SDA
R122
5V
0V
5V
0V
SYS DATA
PAN DATA
SYS REQ
PAN REQ
31
32
100
100
R123
100
29
47K
R131
31
32
30
OEM DISP CE
CP109 100
40
47K
6
5V
0V
5V
OEM DISP CLK
OEM DISP DATA
41
42
43
R135 100
41
42
PON FL+B
44
100K
R120
43
PON FDC
44
1
3
X34-3892-71/2-72 (2/4)
25
K L M N O
1
R135
100
84
42
99
KDC-W707/W707Y
BU14V BU14V
2
5
61
4
+5V
79
80
81
82
83
84
R144 100
R148 47K
838281
MUTE0
MUTE PRE L
5V
0V
5V
0V
OEM DISP DATA
PON FL+B
434445
42
43
LX CON
MUTE PRE R
5V
0V
5V
0V
PON FDC
0 or 5.0V
100K
R120
44
R146 150K
8079787776
PWIC STBY
F SEL1
F SEL2
CD DISC12 SW
4647484950
0 or 5.0V
46
45
PWIC SVR
PWIC MUTE
0 or 5.0V
0 or 5.0V
5V
0V
CD LOS SW
CD MUTE R
5V
0V
0 or 3.5V
RDS AFS M
PON AM
RDS QUAL
RDS AFS L
RDS DATA
PM-DET
MECHA SW1
MECHA SW2
MECHA SW3
TUN TYPE2
TUN TYPE1
TYPE3
TYPE2
EXT AMP CON
PON CD
CD MOTOR
5V
CD LOEJ
0V
CD LOE LIM SW
CD MSTOP
CD MRST
CD MUTE L
SW5V
LOGIC
(X34-389x-xx)
MODEL
NAME
KDC-X689
KDC-W808
KDC-W707
KDC-W707Y
TYPE1
VSS2
VCC2
PON
R118
1K
0 or 3.5 or 5.0V
R119
R191
R189
R179
0V
0V
5.0V
R158
YES
1K
1K
1K
R193
1K
2.2K
R192
CP107
1K
CP108
2.2K
TYPE3
5V
0V
5V
0V
TP107
R190
R149 22K
R150 22K
∗
R154 22K
∗
R158 47K
∗
R155 22K
∗
R159 47K
∗
R156 22K
∗
R160 47K
5V
0V
5V
0V
5V
0V
LH
R154
YES
YES
YES
CP110
R168
2.2K
22K
TP102
2.2K
100
5V
0V
100K
R162
TYPE2 TYPE1
HL
R159
YES
75
74
73
NC
72
71
0V
70
69
68
67
0V
66
0V
65
64
63
62
61
60
59
58
57
NC
56
55
54
53
NC
52
51
3
UNIT
No.
0-11
2-70
2-71
2-72
R188
R155
YES
YES
YES
R143
47K
71
70
69
68
2.2K
R161
77
76
74
72
C112
0.01
59
58
R121
100K
56
55
54
100K
52
51
50
49
48
47
YES
LX-BUS
J2
R709
C702
R335
100P
100
R336
100
92
91
C390 47P
TP707
4.7
R708
+
C701
47u6.3
CH-G
C308
2.2u50
+
C309
2.2u50
+
TUNER R
TUNER L
C389 47P
P FL
P FR
519
10
62
13
1137
12
84
R702
TP708
TP706
680
680
R710
0.47
0.47
C703
CH-L
CH-R
62
61
FL
FR
RL
RR
TP701
4.7K
TP712
R704 100
90
TP704
BU14V
C764
1
C750
0.47
0V
246810121416182022
W753
W754
C753
C754
0.22u16
0.22u16
FL
+5V+5V
4
4
2,17,18,20,21,26,27,28,72,74,76,77,79,81,90,93,95,98,99,100
6
SW5V
3,4,5,89
3
SW5V, +8V
to Q612-B
Q200-C
3
to Q613-B
Q201-C
+5V +5V
10,22,82,83,84,85,86,91,92
4
STBY
PWGND2
RL
TAB
OUT2-
1
3
579
0V
7.0V
7.0V
RL-
W750
2
D200
Q201
22K
22K
4
89
4
3
5
5V
0V
D301
C302
4.7u50
5.5V
+
C364
1u50
4.0V
11
+
C365
1u50
4.0V
12
+
C301
1u50
3.3V
+
D300
R323
R320
M0
M1
M2
100
1K
6
SW5V
+8V
6
LH
R156R160
YES
YES
YES
C756
8.8V
0V
14.4V
VCC2
PWGND1
OUT2+
OUT1-
OUT1+
7.0V
7.0V
RR-
RL+
W752
RR+
C752
0.22u16
Q200
22K
22K
83
3.5V 4.0V
17
SEL
18
SDA
19
SCL
20
SACLK
21
SARES
22
SAOUT
23
SAIN
24
REF5V5
25
VOLINL
26
VOLINR
27
REF3V3
28
MUTE0
29
MUTE1
30
MUTE2
31
ACOUTL
32
ACOUTR
11
3.6V
10u35
IN1
RR
C385
+
3.6V
RIP
4.7V
0V
PREGND
13
3.6V
0V
D201
C305 1
R301
16
3.5V
1500P
BU14V
0V
3.6V
3.6V
IN2
IN4
ACGND
IN3
OUT3+
1517192123
7.0V
FR+
W755
C755
0.22u16
FR
14.4V
PWGND3
OUT3-
7.0V
7.0V
FR-
C765
0.47
VCC1
OUT4+
FL+
MUTE
OUT4-
7.0V
FL-
TP750
IC750
0V
24
PWGND4
OFFSET
25
W756
10K
R752
5.2V
DET
R753
47K
TH750
POWER AMP
D755D754
1
C759
R770
36K
470
SW5V
4
D102
M0
84
5V
85
86
11
MUXCL
4.0V
ACIN0R
8.0V
9
10
MUXBL
MUXBR
ACIN0L
41
8
MUXAR
VCC
42
0V
10
7
MUXAL
GND
434445
0V
0V
R
AUXR
4.0V
LDOUT2R
LDOUT2L
P NL
P NR
D103
M1
D104
M2
82
+
+
C303
C304
3.3u50
3.3u50
10K
151413121110987654321
DCERR
WINTC1
5V
0V
12
WININ
MUXCR
WINTC0
IC300
E-VOL/SOURCE
SELECTOR
4.0V
ACIN3R
ACIN3L
ACIN2R
ACIN2L
ACIN1R
C384
R383
1
1K
9
ACIN1L
3637383940
C386
1500P
333435
1
C369
1K
R382
10
C109
L
G
AUXL
AUXCOM
LDOUT1R
P RR
R772 220
R774 150K
C757
79
IC103
1
2
3
4
GND
0.01
CH-R
CH-G
CDCHR
CDCHCOM
4.0V
4.0V
LDOUT1L
PGND
464748
0V
P RL
C307
R766
1u16V
R773
VCC
CH-L
CDCHL
10u16
TP751
430
W757
10
TUNERR
PAOUT0L
PAOUT0R
PAOUT1L
PAOUT1R
LDOUT0L
LDOUT0R
PREF
5.6V
+
4.3K
R768
26
5.0V
8
7
6
5
22
MDR
MDL
CDR
CDL
TUNERL
MUTEA
MUTEB
MUTEC
TP705
R711 1K
C704
BU14V
0.01
TP703
D703
R700 4.7K
D704
81
5V
0V
64
63
100P
C388
C387
62
61
C310 0.47
60
C311 0.47
59
58
57
56
3.5V
55
54
53
52
51
C392 47P
VP
C391 47P
4.0V
50
4.0V
49
8.0V
X34-3892-71/2-72 (3/4)
26
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