Kenwood KDC-X715, Service Manual

Page: 12 / 24

L M K N O P Q R S T
2
4
3
5
6
7
1
B
C
E
2SB1565
B
E
C
DTA114EK
DTA123JK
DTA124EK
DTB123YK
DTC114EK
DTC114YK
DTC124EK DTC144EK
KRC103S
2SA1362
2SB706A
2SC2412K
2SD2114K
B
C
E
2SB1188
B
C
E
2SB1277
2SB1443
RD6.8M
A
N
C
Vin
GND
TA78L05F
V
REF
A1
A2
K
DAN202K
DAN202U
3
2
1
DAP202K
DA204K
1
4
NJM4565M-TE2
NJM5532MD
5
8
R54
R39
22K
+ R11
C10 100u10
IN OUT
Q3
R4 2.2K
C2 0.01
R3 22K
C4 0.01
10u10
220u16
C6 100u6.3
+
C3
+
C5
22K
R1
100
R2
+
Q4,52,53
IC3
GND
4.3K
R7
220u10
C8
+
Q7
Q5,6
1.5K
100K
R20
Q12
C1 3300u16
+
Q1,2
220
R5
C13
0.022
47K
15K
R6
R8
1
C7
47K
R9
97
34
C14
+
1u50
88
5 4
C16 2.2
R22 100K
C15 4.7u16
R21 1K
+
C17 2.2
C19 2.2
VOUT CAP-
BOOST V+
75
100u16
R23 C18
+
C21 22u16
LV
3
GND
6
+
OSC
2
CAP+
7
L2
22uH
1 8
560 1W 1K
R38
1/2W
C22 0.022
Q15-20
C20 2.2
4.7u16
C24
+
Q21,22
C160 2.2
C23 0.01 R33 91K
R28 56K
R27 7.5K
R24 2.7K
47
R30 47
R29 91K
R32 91K
R31 10K
R25
R37 4.7K
3.3u25
C27
R34 4.7K
22K
R35
R36
4
3
R12
1K
ILLMG
ILL+B
L
D
ATA
S
L
DADAL
L
CLK
RST
L C
E
Q8-10
750
R132 R133 R134 R140 R135 R1
19
13
12 10
9 11
8
7
470
0.1
470
4.7K
470 470
DIM CON
LOCK SW
REMO
NC
DGND
VDD
R174 R136 R199
4 6
5 3
2
1
470
100K
1K
90
1M
42 53
41
40
R197
55 54
R131
4.7K
47K
R130
93
11
R52 5.6K R58 18K
22K
R53
Q23-26
1/2W
89
86
C51
0.01
1
2 3 4
100K
R59
100K
0.068
C29
+
0.1u50
R40 1K
R51 12K
1000P
C30
+
C28
R50 12K R57
0.01 C32
14 13 12
R56
C31
100K
0.01
3.3K
1/2W
79 80
3 6
5 6 7
8
7
1
A0 VCC
2
A2
A1 TEST
SCL
10 9 8
96
95 87
5 4
SDA GND
N-FR
C90
1u50 C100
+
R186 R185
180K
Q13,14
83 92
1u50
C102 R192
+
33K
RL FL
44 85
2
9
Q34-37
24K
R188
R191 22K
R190 100
FR
RR
430
TH1
470
4.7K
R155 R156
4.7K
C81
+
360
R153
13
RLA
FLA
RLB
FLB
C97
0.22u50
C95
0.22u50
+
4.7K
R181
4.7K
R183
100u10
C101
R189 1K
8
TA
B
PGND OUT2- ST
-BY
OUT2+ VCC OUT1-
1
2 3 5 6 7 4
IN1 IN2 OUT1+ SVR PGND
9
10
11
12
R170
22K
W13
R169
C98
0.22u50 0.22u50
750
R187
C96
RRA
+
4.7K
R182
4.7K
R184 1u50
C99
FRA
RRB
FRB
W9
R158 R157
R167 10K R168 10K
4
VSS
5
2
3
22K
6
OUT4+ IN4 IN3 ACGND OUT3+ PGND OUT3- VCC SGND
14 15 16 17 18 19 20
21
CD MUTE OUT4- PGND
22 23 24 25
8 1
VDD
7
82
R171 R172
10u16
+
C89
B.U. GND
RRA FRA RRB FRB
RLB FLA FLB RLA
580
R26 10K R16
1K
Q11
10
REAR Lch-
FRONT
Lch+
REAR Lch+
FRONT
Lch-
8 7
9
FRONT
Rch-
REAR Rch-
FRONT
Rch+
REAR Rch+
ACC
PHONE
P-CON
EXT
CONT
P-ANT
GND
ILLUM
3
4
2
3 2 6 5 4
13 11 12 14 15
1
F1 10A
16
2
N-FL
N-FL
1
1000P
C26
33
ACIN RR
ACIN LR
ACOUT
L
ACOUT
R
ACIN RF
C91
C55 0.082
11
8
10
+
R161 4.7K
R162
4.7K
C86 C82
+ +
C85
360
R154
360
R160
360
R159 0.027 C148
10
C54
0.018
C58
Q30,31
87
95
4.7K
R145 120P
12
87
C56
0.47
C57
0.1
R147
4.7K
4.7uH
95
L10
1
3
2
5
7
8
6
9
10
11
4
R177
W15 W12
W14
22K
R178
R176 10K W8 W10
R163 R164
R175 10K W11
5
VSS
4
6 3
2
22K
82 82
R180
1 8
7
VDD
82
R179
10u16
+
+
C92
+
4
5
2
3
1
0.01 C59 C60
GND
QUAL MP
IN
LEVEL MP
OUT
SP
ANA
L
SP
ANA
R
SMUTE
18 14
12
13 15 16 17
MPX NC NC
19 20
21
22
NC
NC
NC
AM
24
23
SDA
SCL
25
NC
23
24
29
CDL OUT
NC
NC
NC
CDL
NC
27
VDD
26
OUT RR
28
CDR OUT
CDGND
CDR
31
30
OUT RF
OUT LR
32
NC
OUT LF
+
Rch Lch
Rch Lch Lch Rch
A
GND
GND GND
C25
C125
1000P
0.047
FR FL
N-FR FR
FL
3 5
1
C126 C124
1000P
0.047
1000P
1 2 3 4 5 6
+ + +
0.47u50
C1
13
0.47u50
C1
12
47u6.3
C
111
4.7
10
R195 R193
10
R194
2 1 3
35 34
C61 2.2u50
C63 0.012
CREF
VREF
T
APE R
T
APE L
ACIN LF
44 43 42 41 40 39
NC
34 37 36 35 38
+
C49 10u16 C48 10u16 C53 10u16 C52 10u16
+ + + +
44
43
+
+
4 2
NO
NO
NO
NO
NO
YES
YES
NO
NO
YES
NO
NO
NO
YES
IC5
IC7,8
70-14
70-22
70-15
70-13 YES
YES
NO
NO
NO
YES
D32
NO
YES
NO
NO
NO YES NO YES
YES
YES
NO
NO YES
NO
NO YES
YES
NO
NO
YES
R61 R60 R62
NO
R63,167-170,
175-178
NO
NO
YES
62,64,69-80
C48,49,52,53,
10u16
10u16
22u16
22u16
C81,82,
85,86
MODEL
NAME
UNIT
No.
KDC-8015
KDC-X715
KDC-8016
KDC-715S
MODEL
NAME
NAME
MODEL
YES YES
NO
YES YES
YES
NO NO
W1- W8-
15 6
NO
NO
NO
YES
Q11
YES
YES
YES
NO
1
3
2
R86
Q38
R26,86,
90,112,113
R82,
110,111
KDC-715S
KDC-8016
KDC-X715
KDC-8015
KDC-715S
KDC-8016
KDC-X715
KDC-8015
10u16 10u16
100u10
C66 2.2u50
C65 2.2u50
C50
C123
PNK/BLK BLU
BU
1 16
YEL
EXT.
CONT
ILLMI
ORG/WHT
3
2
14
15
4 13
BLK
GND
ANT CONT
P. CON
BLU/WHT
RED
ACC
REAR L
REAR R
6 11
5 12
VIOL
GRN/BLK
VIOL/BLK
7 10
8 9
GRN
FRONT L
GRY
FRONT R
WHT/BLK
GRY/BLK
WHT
BU 1 16 GND
6 11
3 14
CONT
ILLMI
ORG/WHT
2 15
YEL
REAR R
EXT.
TEL MUTE
PNK/BLK
4 13
BRN
5 12
VIOL
P. CON/ANT CON
RED
BLK
ACC
BLU/WHT
GRY
FRONT R
REAR L
GRN/BLK
VIOL/BLK
7 10
8 9
GRN
FRONT L
WHT/BLK
GRY/BLK
WHT
R157,158,
YES
YES
YES
163,164
NO
MUT
MUT
4
2
22K 22K
47K
47K
22K
22K
22K
22K
22K
22K
47K
47K
10K
10K
22K
22K
22K
22K
10K
10K
22K
22K
22K 22K
47K
10K
47K
2.2K
22K
22K
IC3
IC6
IC10
IC14
IC4
IC7 IC8
IC2
(X25-847X-XX)
(E30-4779-05)
KDC-8015/715S/X715
DC CORD
DC CORD
KDC-8016
(E30-4781-05)
CURRENT
D3
AMPLIFICATION
8V
Q52
SW5V
A8V
A.V.R
Q6
SERVO +B
SW14V D4
Q4
D2
D1
B.U.5V
Q2
Q1
Q3
DETECT SW
SMALL LAMP
Q53
Q7
Q5
Q12
C
D7
4V PRE DC/DC
CONVERTER
Q14
Q13
VOLTAGE
LEGULATOR
Q16
Q22
P-ANT SW
Q18
Q15 Q17
D8
Q20
Q19
D43
Q21
D11
D12
Q23
CN6
D5 ILL +B
D57 D55 D56 D58 D60 D59 D53 D54
Q9
Q8
Q10
PAN 5V
Q41
SW
DETECT
ACC
DETECT
SW
Q26
P-CON SW
B.U.
Q28
CIRCUIT
Q29
MUTE
LOGIC
Q24
D13
Q25
D19
D20
MUTE
AUDIO
ROM
E
Q38
CONVERTER A.V.R
4V PRE DC/DC
COMPULSION
DISCHARGE
SVR VOLTAGE
PRE MUTE
D34 D27
D35 D37 D39
D41
POWER AMP
D36 D38 D40 D42
Q35 Q34
4V PRE
OP AMP
Q11
EXT.AMP
CON.SW
J1
CN2
D47
Q30 Q31
D48
MUTE
Q33
E-VOL
Q37 Q36
4V PRE
OP AMP
E-VOL
D28 D29
CN1
CN4
C G
(X25-847X-XX)
D32
D23 D24
RCA
CORD
N-FADER FRONT
SP OUT/DC IN
PRE OUT
CH-IN
P
0V
7.4V
4.5V
7.4V
14.4V
7.4V
0V
7.4V
7.3V
7.2V 0V
7.2V 7.3V
0V
7.3V
14.4V
7.3V
7.3V
3.2V
0V
0V
0V
-9.4V
0V
9.8V 9.8V
0V
0V
-9.4V
0V
0V
0V
0V
5.0V
0V
0V
5.0V
0V
0V
0V
5.0V
0V
5V
0V
0V
4.9V
13.6V
1.26V
0V
0V
10.4V
0V
10.5V
0V
-10.0V
-9.8V
5.8V
10.4V
4.0V
4.0V
4.0V
4.0V
4.8V
5V
0V
5V
0V
0V
8.1V
4.0V
4.0V
4.0V
4.0V
4.0V
0V 0V