Kenwood KDC-C715/Y Service Manual page 7

F G
PC BOARD (COMPONENT SIDE VIEW)
1
X32-4660-00/4670-00 (J74-0966-01)
T+
T-
C180
F-
TROFF
C190
R25
SL-
Q9
18 SL+
1
C194
B E
SGND C193
R161
2
IC5
19 36 16
D15
Q14
D3
B E
DATAH
REQC
D23 R102
W21 AMUTE
D24
REQH R108
FDATAI
Q8
TSO
/TSCK
R139 CP3
D22
Q31 /CE1
C71
TSI
21 8
TBANK
3
SO
R98
IC11
BE
C70
TOFF
R143
1 R141
22 7
28
50 26
HOT
RD
25
51
PACK
IC7
1
4
IC8
CP17
SPLOD- 75
1 8 5
BUDET
R135 76
100
RAMOK CP15
4 S4 FGND TOUT
R76 WR
VPP SDA
PON
SCL
RAMTEST
B E
SLNSA
Q20 SRVSEL
R123
SLG
R122
COMMSW C184
CP1
R86 R184
EJSW
S2 ELVADJ
ELV-
ELV+
D7
SEARCH
D12
5
8/7V
IC 1 4 5 7 8 9 11
6 address 3I 3H 2F 4G 4G 4H 3F
Q 1 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 31
address 3I 3H 3H 3H 3H 3H 2F 4H 4H 3G 3H 2G 5H 5H 5H 5H 5H 4F 5I
7
Refer to the schematic diagram for the values of resistors and capacitors.
H I
F+
R180
SP+
SP-
R191
VR
R4
CN1
C66
CN2
C46 23 1
A
LIMSW
C
1
C47 B
LOESW PD
FCLK LD
D
R121
F E
CH MUTE Lch Rch
Vref
FDATAO
Q1
L1
C
C
Q6
D21
E B IOP2-
E B
R9
R8 PN
R10
A0
D4
B E
Q7
/STB
3TE
Q4
/SCK
DA5V TE
/RST
I G O SO SI
R201
R99 FOK
C5 C6
C206
IC4
/CHCON 1
100
DAGND
X1
C4
R106 R206
25
IC1
R20
26
Q11 C13
C201
FLAG
CP9 /XENB
W17 R18 C12
EMPH
R32
X2 B E TEVCA
W7 R97
TX
WDCK
C204
FRESET
50
R96
RESET CP16 51
C203
C17
2 1
R154
C85
TBC
R153 IC9
SD5V
FVDD
C2D2 R84
3 4
M5V2
/TSTB C200
R81
SDGND
B E
R80
M5V1
W6 C72
Q10
MGND
C75
ARMSW
Q21
C62
D20 Q19
D5
B E
D14
C63 R124
E B
Q18 R79
Q22
Q17
D8
Q16
S8V
E C B
Q15
5I 3F
J K
(FOIL SIDE VIEW)
PUGND
PUGND
A
C
SA5V SA5V
B
D
R9
R10
3TE
FE FE
R152 R152
C6 C5
RF RF
R202 R202
R203
R203
C9
C9
76
76
ARF
C11 ARF
SAGND C11
SAGND
75
75
C10
ASY TD C10
TD ASY
C13
FD
FD
EFM
EFM
SD C12
SD
R18
MD MD
TEVCA
TBAL
TBAL C204
FBAL
FBAL
S1
S1
DACO /TSTB
DACO
ATEST ATEST
R84
MGSW
MGSW
S3
S3
R124
IC 1
address 3L 3M 2N 4N 4M 4M 3O
Q 1
address 3L 3M 3M 3M 3M 3M 2O 4M 4M 3N 3M 2M 5L 5L 5M 5M 5M 4O 5L 5L 3O
7 8
L M
X32-4660-00/4670-00 (J74-0966-01)
F+ T+
R180 C180
SP- C190
SP+
R191
VR
R4
CN1
C194
C66
CN2 C193
1 23 C46
LIMSW
1 16
C47
PD LOESW
Q14
LD FCLK
R121 E B
E F Rch
Lch CH MUTE
FDATAO
L1
Vref REQC
C C AMUTE
Q6
D21
B B E
E
FDATAI
PN
Q8
A0
D4
E B
/STB Q7
D22
Q4
/SCK
TE DA5V
R15 /RST
SI SO
R201 O G I
FOK R99
IC4
R98
100 1 /CHCON
DAGND
X1
C4
R106
R206
25
IC1
R20
26
Q11 PACK
C201
FLAG
/XENB W17
CP9
EMPH
R32
X2
E B
TX R97 W7
WDCK
4
FRESET
R96
50
51
RESET
C203 SD5V IC8
C17 1 2
C85
TSI R154
CP16 TBC
IC9
5
R153
C2D2 FVDD
4 3
M5V2
C200 /TSTB
TOUT
SDGND
B
R80
E
M5V1
C72
W6 PON
Q10
MGND
C75
ARMSW
Q21
C62
Q19 D20
D5
E B E
D14
C63
B E
Q18
Q22
D8
Q16 Q17
R79
S8V
Q15
B C E
4 5 7 8 9 11
4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 31
N O
T-
F-
TROFF
R25
SL-
SL+ 18 Q9
1
SGND
E B
R161
IC5
36 19
D15
D3
DATAH
R102
W21
D24
R108 REQH
TSO
CP3 /TSCK
R139
C71 /CE1 Q31
TSI
8 21
TBANK
SO
IC11
E B
C70
TOFF
R143
R141 7 1 22
HOT
28
26 50
RD
25 51
IC7
1
CP17
8 75 SPLOD-
1
76 BUDET
R135
100
S4
CP15 RAMOK
FGND R156
WR R76
SDA
VPP
SCL
RAMTEST
E B
SLNSA
SRVSEL Q20
R123
SLG
R122
C184
COMMSW
CP1 R184 R86
EJSW
ELVADJ
ELV-
ELV+
D7 S2
SEARCH
D12
8/7V