Kenwood KDC-X959 Service Manual page 15

J K
Q Q
3 7 6 3 1 5 1 5 0
OEL+B
SW5V
A+9V
A 9V
A8V
BU
D26 D25
W11
W12
C66
35
1u50
43 34
C65
1u50
4.1V
44
4.1V 1 4.1V
33
1 CDR
NC33
4.1V 2
32 4.1V
CDROUT
OUTLF 32
4.1V 3
31 4.1V
3 CDGND
OUTRF 31
4.1V 4 30 4.1V
CDLOUT
OUTLR 30
4.1V
5 29 4.1V
5 CDL IC2
OUTRR 29
6
28
NC6 NC28
E-VOL. &
7
27
N.C. MPX
PHONE- VS
8 8.2V
PHONE+
5.0V 9
AFS 26
GND
C72
25
0V
0.033 10 NC25
5V
AM 24
11 0V SDA 24
4.1V
NC11 23
SCL 23
E. VOL.
R150 C70 MUTE
4.7K 0.47 SW
12
4.1V
R204
Q36
Q35
10
NOISE
BUFFER
SW5V
T E
L 1 3 9 4 2 2 9 6 5 1 3
*
W8
14
* Q103
C47
AUX/CD
SELECTOR
1u50
R52 SW
47K
*
SWITCHED OP. AMP.
W7
*
C46
4.1V 1 14 4.1V
1 AIN1+ BIN1+
4.1V 2 13 4.1V
1u50
AIN1- BIN1-
4.1V 3 12 4.1V
AIN2+ BIN2+
8V Q103
4.1V 4 11 4.1V
AIN2- BIN2- 0V
4.1V 5 10 4.1V
AOUT BOUT
6 9
ASW BSW
7 8
R53 C206
VEE VCC A8V
47K 0.1
8.2V
8V IC21
0V
A8V
IC20
8.2V
C40
4.1V 1 8 0.01
AOUT VCC A8V
4.1V 2
7 4.1V
VM1
BOUT C45
4.1V 3
6 4.1V 10u16
AIN VM2
+
D46
0V 4 5 4.1V
GND BIN
D45
D44
IC20
ISOLATION
AMPLIFIER
R50
100K
C201 C202 C205
3300P 3300P 0.1
1 2 3
CN7
1 2 3
w w w
*
E
DAN202K DAP202U MA142WA
.
DAN202U DA204U MA142WK
A1
DTA114YUA UN5212
A2
K
L M
Q42 AUDIO Q41 AUDIO
MUTE SW MUTE SW
(REAR R) (REAR L) 14
Q40 Q39
AUDIO AUDIO
MUTE SW MUTE SW
(NON-FADER L) (NON-FADER R)
FL
13
FR
RL
IC5
RR
C83 0.33
0V 15 14 4.1V
HRR2 HRRO 14
13 4.1V
9
HRLO 13
12
C84 0.33 4.1V 16
HRR1 OREF
11 4.1V
C87 0.33 0V 17 HFRO 11
HRL2 10 4.1V
HFLO 10
9 4.1V
AXOL 9
C88 0.33 4.1V 18
HRL1 8 4.1V
AXOR 8
C81 0.33u50
0V 19
HFR2
C89
C85 0.33u50 0.1
4.1V 20 7 4.1V
HFR1 CL2
+
C90
C82 0.33u50
0V 21 6 4.1V 0.1
HFL2 8
CL1
C91
C86 0.33u50 4.1V 22 5 4.1V 0.1
HFL1 CR2
+
C92
C60 2.2u50 4.1V 23
0.1
4 4.1V
CREF
+ CR1
24
AGND 3 C78
MUTE
0V 25
4.7u16
DGND 2 4.1V
26 AXIR 34
23 SCL
5V
27 C79 11
24 SDA 0V
4.7u16
8.2V 28 1 4.1V
A8V VCC AXIL 35
AUDIO
MUTE SW
HIGH PASS FILTER &
(FRONT R)
NON-FADER VOLUME
AUDIO
MUTE SW
(FRONT L)
10
PANEL
DET SW
S1
SPEANA AMP R141 C50 C49
4.7u25 4.7u25
15K
A8V
+ +
OP. AGC for
IC8
AMP. SPECTRUM
ANALYSER
Q34
D21
10 8 6 4
9 7 5 3
CN1
x a o u 1 6 3
y
RD6.8M TC74HC02AF
i
8
A
N 14
C
1
N O
8
SW5V
A+9V
A 9V
A8V
BU
*
A 9V
-9.3V
B R188 C108 R190
C106 R182 22K 10u16 82
RR
22u16 470
+
C110
+
Q42 2200P
4.7K
IC12
OP.
AMP.
Q41
4.7K 9.7V
A+9V
C105 R181
C109
22u16 470 C107 R189
R187 10u16 82 2200P
+
RL
* +
W17 22K
A 9V
-9.3V
R178 C102 R180
R172 22K 10u16 82
*
C100 470 NL
+
C103
+
Q40 2200P
4.7K
IC11
OP.
AMP.
Q39
4.7K 9.7V
A+9V
R171
* C104
C99 470 C101 R179
R177 10u16 82 2200P
+
* NR
+
W18 22K
*
W16
A 9V
-9.3V
R168 C96 R170
R162 22K 10u16 82
*
FR
C94 470
+
C98
+
Q38
2200P
4.7K
IC10
Q Q
3 7 6 3 1
OP.
AMP.
Q37
9.7V
4.7K
A+9V
R161
* C97
C93 470 C95 R169
R167 10u16 82 2200P
+
* FL
+
W15 22K
Q305
DSI LED SW EJECT LED RED SW L472
4.7uH Q703
+B
PAN 5V Q305 EJECT LED
Q101 SW
GREEN SW
*
47K
Q9
Q306
Q704
10K
R803
100K
D51
D54
2 19 17 15 13 11 9 7 5 3 1
1 20 18 16 14 12 10 8 6 4 2 CN6
P1
X89-
CN1
2/2
A
c o
BA3129F BA3830F
.
8
10
14
18
7 9
7
1
1
P Q
2 4
9 9 8 ANT.
L7 52mH
W9
2
D43
+B
1
R210 Q44 L9
C131
FE1
1K
FM+B
4.7uH 0.01 IC1
SW Q43
1
IC2
RF GND
R211
22K 2
IC3
FM ANT
22K 3 IC4
22K AM ANT
IC5
W112 4
OSC GND
IC6
5
52
+B FM +B IC7
R212 Q46
L10
6
AM+B IC8,10,11,12
1K +B AM +B
SW 4.7uH 7 IC14
C133
OSC GND
0.01 8 IC16
R213
22K OSC GND
IC20
51 9
22K
W/N IC21
W113 10
22K
OSC GND IC23
Q45 11
VT IC24
L11
12
IC25
A8V A8V PLL +B
4.7uH C135
13
77 IFC OUT Q1
0.01 14
16 SDA Q3
15
SCL Q4,10
17
C137
16 Q5,15,472
DIG GND
0.01
W114
L12
Q6,7,13,28,32,33
4.7uH
17
SW5V SW5V VDD 5V
18 Q8,12,35,43,45,103
NOISE OUT
C134
19
RDS OUT
10P
20
12 AUDIO OUT Q9
21
Q11,17,19,21,22,30,
AMIF OUT
22
31,34,201,473,475,704
14 S-METER
L13
23
78 +B IF1 +B
Q14
4.7uH
C858 0.01 24 Q16
IF1 GND
Q18,20,23,27
Q52
COMPOSITE
Q26,111
SIGNAL F/E
Q29,112
BUFFER
Q36-42,52
R242 4.7K
5V
Q52 CP15 Q44,46
RDS
0V
2.2Kx4
Q101,305,306
DECODER
IC14
93
54 5V Q474,476,703
1 16 0V
53 QUAL RDCL
2 15
C146
RDDA T57
14 10P
C856 C142
OOUT
0.01 10u16 2.4V 3
VREF
+
C141
C145
330P 2.4V 4
13 10P
MPX
OIN
5.0V
C143
10u16 5 12 5.0V
SW5V OSEL VS SW5V
+
6 11
GND EXTR
0V
7 10 0V
ARI TM
C144 C804
8 9
0.01 2.2 FOUT FSEL
L14
4.7uH
SW5V
5 1 5 0 8 9 2 4 9
C203 0.1
CN4
C68 0.47u50 R156 10
5 3 CD Lch 1
+
1
C69 47u6.3 R157 4.7
3 2 CD GND 2 2
+
3
C67 0.47u50 R155 10
1 1 CD Rch 3 4
+
5
CN2
6
BU BU 1 B.U. 1
7
2 GND 2
CORD with
CN3
DIN CONNECTOR
R136 4.7K
70 1 CH CON 8
R137 4.7K
87 2 CH MUTE 7
R130 4.7K
71 3 CH RST 6
R134 100
72 4 REQ H 5
R135 4.7K
94 5 REQ C 4
R133 100
99 6 CLK 3
D42
R131 4.7K
97 7 DATA C 2
R132 100
98 8 DATA H 1
1
2
3
4
C855
0.01 5
CORD with
DIN CONNECTOR
*
O
CN9
D121
R124 470
1 O-CE 5
D52 D53
D122
R123 470
2 O-CLK 4
D123
R122 470
3 O-DATA 3
2
D124
R121 1K
4 REMO 2
5 GND 1
m
BA3121F M5237ML BR24C02F-W
4
5
8
5
1
4 2
3
1
8
R
2
9 9
1
*
: D1 : RM10ZLF
: TDA7407 D3 : MA8082-L
: M5237ML D5,474 : MA8100-L
: TDA7560 D7,473,702 : MA8056-M
: TDA7401 D8 : MA8047-M
: ICL7660SIBA D9 : MA4110(N)-M
: TC74HC02AF D10,50 : MA4056(N)-M
: NJM4565M-TE2 D13,14,33-36,39,40,111,112
: TDA7479D : 1SR154-400 or
: S-80837ANNP S1J
: BA3121F D15 : 1SS133
: BA3129F D16 : MA4068(N)-M
: SI-8033JD D17 : MA4062(N)-M
: LT1930A D19,20,30 : DAP202U or
: BR24C02F-W MA142WA
D21,42,54 : DA204U
: 2SD2375 D22-24,31,121-124
: 2SA1037K : MA4062-L
: 2SA2057 D25,26 : RD6.8M(B2)
: DTC144EUA or D27,28,44,46 : MA8068-M
2
UN5213 D29,45 : MA8062-L
: DTA124EUA or D32 : DAN202U or
UN5112 MA142WK
D38,41 : 1SR154-400
: DTC124EUA or D43 : IMSA-6801
UN5212 D51-53 : FTZ6.8E
: 2SB1427 D101 : B30-1566-05
D472,475,476 : SS14
: 2SC4081
: DTA123JK or
SIGNAL LINE
KRA105S
GND LINE
: 2SB1443
: 2SA1576A +B B LINE
: 2SB1277(Q,R)
B B LINE
: DTC114YUA or
UN5214
: DTC143TUA or
UN5216
: CPH3105
: DTA114YUA or
UN5114
: 2SA2057
3
8 2 9 9
REQ H 8 Rch 4
D GND 9 REQ C
B.U. 10 DATA C
CH CON 11 DATA H
CH MUTE 12 Lch
A GND 13 CH CLK
CH RST
13
9 10 11 12
5 6 7 8
1 2 3 4
5
O CLK
O CE
O DATA
REMO
GND
5
4 3
1
10 8 6 4 2
9 7 5 3 1
6
KDC-X959
KDC-Z939
Z838W
TC74HC4050AFT
9
TDA7479D
16
1
8
7
1