Kenwood KDC-MP819 Service Manual page 15

J K
Q Q
3 7 6 3 1 5 1 5 0
FL+B
SW5V
A+9V
A 9V
A8V
BU
+5V
D26 D25
*
W11
*
W12
C66
1u50
43
C65
1u50
4.1V
44
4.1V 1 4.1V
33
1 CDR
NC33
4.1V 2
32 4.1V
CDROUT OUTLF
4.1V 3
31 4.1V
3 CDGND OUTRF
4.1V 4
30 4.1V
CDLOUT
OUTLR
4.1V 5
29 4.1V
5 CDL IC2
OUTRR
6
28
NC6
E-VOL. & NC28
7
27
PHONE- N.C. MPX
VS
8
8.2V
PHONE+
5.0V 9
AFS 26
GND
C72
25
0.033 10 NC25
AM 5V 24
11 0V SDA
4.1V
NC11 23
SCL
E. VOL.
R150 C70 MUTE
4.7K 0.47 SW
12
4.1V
R204
Q36
10 Q35
NOISE
BUFFER
T E
SW5V
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 4.1V
1 14
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
VEE VCC A8V R53 C206
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
DAN202U DAP202U MA142WA
.
DA204U MA142WK
A1
DTA114YUA UN5212
A2
K
L
+5V
Q42 Q41
AUDIO AUDIO
MUTE SW MUTE SW
35
(REAR R) (REAR L)
34
Q40 AUDIO Q39 AUDIO
MUTE SW MUTE SW
(NON-FADER L) (NON-FADER R)
*
W1
32 FL
*
W2
32 31 FR
*
W3
31
30 RL
*
30 W4
29 RR
29
IC5
C83 0.33
0V 15 14 4.1V
HRR2 HRRO 14
13 4.1V
HRLO 13
C84 0.33 4.1V 16 12
0V OREF
HRR1
11 4.1V
C87 0.33 0V 17 HFRO 11
24
HRL2 10 4.1V
HFLO 10
23
9 4.1V
C88 0.33 AXOL 9
4.1V 18
8 4.1V
HRL1
AXOR 8
C81 0.33u50
0V 19
HFR2
C89
0.1
C85 0.33u50 4.1V 7 4.1V
20
CL2
HFR1
+
C90
C82 0.33u50
0V 4.1V 0.1
21 6
HFL2 CL1
C91
5 4.1V 0.1
C86 0.33u50 4.1V 22
HFL1 CR2
+
C92
C60 2.2u50 4.1V 23
4 4.1V 0.1
CREF CR1
+
24
3
C78
AGND MUTE
0V 25 4.7u16
DGND 2 4.1V
AXIR 34
26
23 SCL
5V C79
27
24 SDA 0V 4.7u16
1 4.1V
8.2V 28
AXIL 35
A8V VCC
HIGH PASS FILTER &
*
NON-FADER VOLUME
F
SPEANA AMP R141 C50 C49
4.7u25 4.7u25
15K
A8V
+ +
OP. AGC for
IC8
AMP. SPECTRUM
ANALYSER
Q34
D21
10 8
9 7
CN1
x a o
y
RD6.8M TC74HC02AF
i
8
A
14
N
C
M N
8
SW5V
A+9V
A 9V
A8V
BU
* A 9V
-9.3V
B
R188 C108 R190
C106 R182 22K 10u16 82
RR
22u16 470
+
14 C110
+
Q42
2200P
4.7K
IC12
OP.
AMP.
Q41
4.7K 9.7V
A+9V
C105 R181
C109
22u16 470 C107 R189
13 R187 10u16 82 2200P
+
RL
* +
22K
W17
A 9V
-9.3V
R178 C102 R180
R172 22K 10u16 82
*
NL
C100 470
+
9 C103
+
Q40
2200P
4.7K
IC11
OP.
AMP.
Q39
4.7K 9.7V
A+9V
R171
* C104
C99 470 C101 R179
8
R177 10u16 82 2200P
+
NR
*
+
W18 22K
*
W16
A 9V
-9.3V
R168 C96 R170
* R162 22K 10u16 82
FR
C94 470
+
C98
11
+
Q38 2200P
AUDIO
4.7K
Q Q
MUTE SW IC10
(FRONT R) 3 7 6 3
OP.
AMP.
Q37
AUDIO
9.7V
4.7K
MUTE SW
(FRONT L)
A+9V
R161
* C97
470
C93 C95 R169
10
R167 10u16 82 2200P
+
* FL
+
W15 22K
Q305
DSI LED SW EJECT LED RED SW
W19
+5V
*
Q101
Q305 Q306
PAN 5V
47K
PANEL
SW
EJECT LED
DET SW
GREEN SW
Q9
10K
S1
D54
6 4 2 19 17 15 13 11 9 7 5 3 1
5 3 1 20 18 16 14 12 10 8 6 4 2 CN6
u 1 6 3
BA3129F BA3830F
.
8
10
14
18
7
7
1 1
1
O P
2 4
9 9
L7 52mH
D43
+B
R210 Q44 L9
C131
FE1
1K
FM+B
4.7uH 0.01
SW Q43
1
RF GND
R211
22K
2
FM ANT
22K 3
22K AM ANT
W112 4
OSC GND
5
52
Q46 +B FM +B
R212 L10
6
AM+B 1K +B
AM +B
SW 7
4.7uH C133
OSC GND
0.01
8
R213
22K OSC GND
51 9
22K W/N
W113
10
22K
OSC GND
Q45 11
VT
L11 12
A8V A8V PLL +B
4.7uH C135
13
77 IFC OUT
0.01
14
16 SDA
15
SCL
17
16
DIG GND
L12
4.7uH
17
SW5V SW5V
VDD 5V
18
NOISE OUT
C134
19
RDS OUT
10P
20
12 AUDIO OUT
21
AMIF OUT
22
14 S-METER
L13
23
78 +B IF1 +B
C858 0.1
4.7uH
C851 0.01
24
IF1 GND
Q52
COMPOSITE
SIGNAL F/E
BUFFER
R242 4.7K
*
A
5V
Q52 CP15
RDS
0V
2.2Kx4
DECODER
93 IC14
54 5V
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
0V GND EXTR
7 10 0V
ARI TM
C144 8 9
FOUT FSEL
0.01
L14
1 5 1 4.7uH 5 0 8 9 2
SW5V
C203 0.1
CN4
C68 0.47u50 R156 10
5 3 CD Lch
+
C69 47u6.3 R157 4.7
3 2 CD GND
+
C67 0.47u50 R155 10
1 1 CD Rch
+
CN2
BU BU 1 B.U.
2 GND
CN3
R136 4.7K
70 1 CH CON
R137 4.7K
87 2 CH MUTE
R130 4.7K
71 3 CH RST
R134 100
72 4 REQ H
R135 4.7K
94 5 REQ C
R133 100
99 6 CLK
D42
R131 4.7K
97 7 DATA C
R132 100
98 8 DATA H
C854 0.1
C855
0.01
CN9
D121
R124 470
1 O-CE
D51 D52 D53
D122
R123 470
2 O-CLK
D123
R122 470
3 O-DATA
D124
R121 1K
4 REMO
5 GND
P1
X89-
CN1
m
2/2
A
c o
BA3121F M5237ML BR24C02F-W
5
8
9
5
1
4
2
3
1
8
Q R
2
8 9 9
ANT.
W9
2 1
1
*
IC1 : D1 : RM10ZLF
IC2 : TDA7407 D3 : MA8082-L
IC3 : M5237ML D5,474 : MA8100-L
IC4 : TDA7560 D6 : MA4051(N)-M
: TDA7401 : MA8056-M
IC5 D7,473
IC6 : ICL7660SIBA D8 : MA8047-M
IC7 : TC74HC02AF D9 : MA4110(N)-M
IC8,10,11,12 : NJM4565M-TE2 D10,50 : MA4056(N)-M
IC14 : TDA7479D D13,14,33-36,39,40,111,112
IC16 : S-80837ANNP : 1SR154-400 or
IC20 : BA3121F S1J
IC21 : BA3129F D15 : 1SS133
IC23 : SI-8050JD D16 : MA4068(N)-M
IC25 : BR24C02F-W D17 : MA4062(N)-M
D19,20,30 : DAP202U or
MA142WA
Q1 : 2SD2375 D21,42,54 : DA204U
: 2SA1037K
Q3 D22-24,31,121-124
Q4,10 : 2SA2057 : MA4062-L
2
Q5,15,472 : DTC144EUA or D25,26 : RD6.8M(B2)
UN5213 D27,28,44,46 : MA8068-M
Q6,7,13,28,32,33 D29,45 : MA8062-L
: DTA124EUA or D32 : DAN202U or
UN5112 MA142WK
Q8,12,35,43,45,103 D38,41 : 1SR154-400
: DTC124EUA or D43 : IMSA-6801
UN5212 D51-53 : FTZ6.8E
Q9 : 2SB1427 D101 : B30-1566-05
Q11,17,19,21,22,30, D472,475 : SS14
31,34,201,473,475
: 2SC4081
SIGNAL LINE
Q14 : DTA123JK or
GND LINE
KRA105S
B LINE
Q16 : 2SB1443 +B
Q18,20,23,27 : 2SA1576A B LINE
B
Q26,111 : 2SB1277(Q,R)
Q29,112 : DTC114YUA or
UN5214
Q36-42,52 : DTC143TUA or
UN5216
Q44,46 : CPH3105
Q101,305,306 : DTA114YUA or
3
UN5114
: 2SB1548(P)
Q474,476
(X89-253X-XX)
UNIT
MODEL NAME R10 S1
No.
KDC-X659 (K)
KDC-MP819 (K) S70-0873-05
0-00 NO
KDC-719 (K) (YG)
KDC-X559 (K)
X838 (E)
KRC-Z965 (M)
S70-0856-05
KDC-Z838 (M) 2-71 YES
(SR/PG)
KDC-Z737 (M)
Z638 (E)
4 9 8 2 9 9
4
1
1 REQ H 8 Rch
2 D GND 9 REQ C
2
3 B.U. 10 DATA C
4 CH CON 11 DATA H
3
5 CH MUTE 12 Lch
6 A GND 13 CH CLK
1
7 CH RST
2
CORD with
DIN CONNECTOR
8
13
7
6 9 10 11 12
5
5 6 7 8
4
3 1 2 3 4
2
5
1
10 8 6 4 2
9 7 5 3 1
1 O CLK
2 O CE
3 O DATA
4 REMO
5 GND
KDC-X559
CORD with KDC-X659
DIN CONNECTOR KDC-MP819
*
O
5
5
4 4 3
3
2 1
10 8 6 4 2
2
9 7 5 3 1
1
6
KDC-Z838
KDC-719
KDC-Z737
Z638
TC74HC4050AFT
9
4
1 16
8
7
1