Kenwood KDC-MP628 Service Manual page 30

U
KDC-MP628/MP7028/MP728
MP8029/W7031/W7031Y
UT
ER
MUTE
DRIVER
5V
0K
0V
2
2K
1 0V
0
9
Q205
3 22K
7 22K
4 22K
8 22K
Q205
BU DETECT
5 22K
SW
9 22K
6 22K
IC104
0 22K
1
A0 VCC
2
A1 WP
3
A2 SCL
4
GND SDA
5V
0V
0V
IC60
SWITCHING
REGULATOR
CONTROLLER
∗
L60
R161
TP61
L61
100K TP60
100uH
R162
100K
Q63
VFD(4.7V) AVR
SWITCHING
POWER DRIVER
30
X34-3xxx-xx (5/6)
V
J1
IC103
8 5.0V
1
VCC
ACC DETECT SW
7
5V
2 0V
6 Q202
3
5
4
GND
SMALL LAMP
DETECT SW
R210
D205
20K
D204
R206 R207
Q204
D203
470K 10K
Q203
Q203,204
SURGE DETECT SW
D210
POWER
CONTROL IC
5.0V
IC200
8
7
6 TP110
SCL
5 TP109
SDA
5V
5.0V
E2PROM 0V
0V
MECHA
DIGITAL
AVR
2.2V
POWER
0V
DRIVER
13.5V
R75
0V
Q64
1M
IC60
13.5V
0V
Q63
2.2V
0V
L81
TP80 D80
30V
TP81
4.7uH
0V
D81
IC80
FL+B
D82
1 6 13.4V
SW VIN
0V 2 5 1.2V
GND SS
1.2V 3 4
FB SHDN
13.4V
W
FUSE 10A
TP16
(F52-0006-05)
9 10 11 12 13 14 15 16
FUSE
8 7 6 5 4 3 2 1
TP15
C1
3900u16
+
D1
R200
D202
47K Q206
EXT AMP
CONTROL
BUFFER
∗
D
Q207
47K
Q206
47K
∗
W201
14.4V
0V
Q208
D209
0V
∗
C
D208
Q209
10K
47K
POWER
ANTENNA SW
R78
0.47 1W
C68
0V
MECHA
0.1
DIGITAL
Q62
AVR SW
4.7K
78
Q60
1.2V
VFD(4.7V)
4.7K
81
R77 AVR SW
100K
R68
Q61
24K
22K
82
22K
22K
83
R71
22K
19.1K
SWITCHING REGULATOR
FREQUENCY CONTROL
SW(IC60)
FL+B
Q80
Q80,81
VFD(57V)
AVR SW
Q81
X
TP17
REF+B AVR
Q802
R823
1
TP18 R810
Q800
1.5K
R801 R805
2.4K 1K
R809
100
Q801
R803 R806
5.1K 1K
Q801
SVR6.8V REF SUPPLY
AGC CONTROLLER
IC10
AUDIO8V REF POWER SUPPLY
TP20
A8V
IC10
R12
15K
OUT IN
1.3V
GND
0V
BU5V
SW5V
TP30
MOTOR+B
Q31 Q30
TP31
SERVO+B
Q33 Q32
SERVO+B AVR MOTOR+B AVR
(PANEL MECHA)
PANEL5V
PANEL5V
DISCHARGE SW
R91
Q91
100K
57
44
77
SW16V(SURGE PROTECTION)
ILL+B
Q50
TP50
R52
Q51
1K
Q52
22K
L707MD Only
MD DET
(X16-2520-00)
WH100 CN1
PON5V
1 1
GND
2 2
R186 MD DET
3 3
2.2K
TP111
D1 : CL2011RXS(BCD)
FDC
D5V PH1 : CPT184SCS(CDE)
KDC-MP628/MP7028/MP728/MP8029/W7031/W7031Y (
Y
AUDIO3.3V REF SUPPLY
SVR6.8V REF SUPPLY
TP801
C806
1000P
6.8V
IC800
3.3V 3.3V
D801
TP802
C808 R817
100u16 10
+
Q10,11
AUDIO8V AVR
Q10
SW14V
13.7V
Q11 Q12
22K
TP19
B.U.5V AVR
SW5V
TP21
TP22
Q22 Q20
Q21
R22
Q23
100
22K
22K
PANEL5V AVR
Q40
TP40
R46
2.2
Q42
1W
Q45
10K
10K
TP41 Q41
Q43
Q44
22K
ILLUMINATION AVR
SIGN
GND
B L
PH1
B L
R1
33K
P1