Philips MCD703/37, Руководство по обслуживанию

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9 - 1
9 - 1
1
2
3
4
CN200
COM4
1
L
2
4
3
R
5
6
7
8
9
10
11
J200
PHONE3.5
RO-H
LO-H
GND-H
MU-H
MUTE
DGND
GND
AGND
TU-R
CD-L
CD-R
~12.5V
SCL
~12.5V
SDA
VF1
VF2
-28V
DGND
STANDBY
+12V
TU-L
ROT-B
ROT-A
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
30
29
CN113
30P
ROT-B
ROT-A
1
2
3
CN101
3P
R135
1K
R132
1K
C109
22uF
C111
10u
F
C112
10u
F
C140
2.
2u
F
C141
2.
2u
F
C134
2.
2u
F
C135
2.
2u
F
C136
2.
2u
F
C137
2.
2u
F
C138
2.
2u
F
C139
2.
2u
F
C107
47uF
R127 5K
6
R126 5K
6
C129
104(M)
C125
104(M)
C120
104(M)
C116
104(M)
R120
330 1/4W
C131
104(M)
C128
104(M)
C118
272(M)
C114
272(M)
C123
10u
F
C132
10u
F
VDD
1
AGND
2
TREB_L
3
TREB_R
4
R IN
5
R
OUT
6
LOUD_
R
7
R IN
4
8
R IN
3
9
R IN
2
10
R IN
1
11
LOUD_
L
12
L IN
4
13
L IN
3
14
L IN
2
15
L IN
1
16
L IN
17
L OUT
18
BI
N
_
L
19
BOUT_L
20
BI
N
_
R
21
BOUT_R
22
OUT_R
23
OUT_L
24
DGND
25
DAT
A
26
CL
K
27
RE
F
28
U104
PT2314
+12V
TU-L
TU-R
CD-L
CD-R
AUX1-L
AUX1-R
AUX2-R
AUX2-L
1
G1
2
3
4
G2
5
6
J103
RCA-407
R150 10K
R151
10K
R154
10K
R155
10K
R152
47K R153
47K
R156
47K
R157
47K
R111
1K
C103
47uF
R102
4K
7
1
2
CN108
2P
1 2 3
CN106
3P
+ AC AC -
DB101
RS808
C101
4700uF/35V
C102
4700uF/35V
+21V
-21V
R106
4K7
R101
47K
R105
47K
C115
47uF/35V
C122
47uF
C130
10uF/50V
R134
15K
R109
15K
R115
47K
HP-MUTE
MUTE
+12V
C145
104(M)
C157
104(M)
R146
2.
2/
0.
5W
R147
2.
2/
0.
5W
J104
PST-
416(
U
P
RED DO
W
N
BLACK
)
1 2
4 3
L105
JK B7525_01
AGND ~16.5V
+
~16.5V
-
AGND
FAN
1 2
4 3
L104
JK B7525_01
MUTE_AM
P
R180
120
R181
4K
7
R182
22K
R160
4K7
R161
4K7
OUT-L
OUT-R
OUT-R OUT-L
R112
22K
AGND
OUT-ER
OUT-EL
R110
47K
C105
22uF
C176
221
C177
221
C178
332
C179
332
R162
47K
R166
47K
OUT-L
OUT-R
1
2
3
4
CN103
4P
R133
220 1/2W
H-OUT L
H-OUT R
OUTPUT1
1
+V
s
2
OUTPUT2
3
MUTE
4
-V
s
5
IN
2
6
GND
7
IN
1
8
TDA7264
U105
TDA7264
1
2 3
Q101
B834
Q102
8050
Q103
8050
Q107
8550
Q105
8050
Q106
8050
OUT GND IN
U103
7812
R136
1K
R103 1K
D105
4148
D107
4148
ZD108
5.1V
R139
15 1/4W
2.2V 2.2V 0V DGND ~21V ~21V
C163
100uF/35V
-28V
ZD107
3V0
R149
10K
R113
2.2 1/4W
R114
2.2 1/4W
D103
4001
D106
4001
~12.5V ~12.5V
1 2 3 4 5 6 7 8
CN111
8P
STANDBY
OUT1
1
MUTE
2
IN1
3
GND
4
IN2
5
BIAS
6
OUT2
7
VDD
8
U106
PT2309
C151
47uF
C154
47uF
R158
10K
C149
220uF
C150
220uF
C153 1uF
C152
1uF
R159
100K
SDA
SCL
DGND
VF1
VF2
~10V+
~10V-
M CD-1
G
1
B
2
A
3
ENCODER301
ENCODER
1
2
3
CN301
3P
ROT A
ROT B
ROT G
C301
103
C302
103
!
!
M CD700-3
M CD700-2
D301
4001 D302
4001
D201
4001
D202
4001
D108
4001
D109
4001
GND
GND
GND
GND
1
2
3
4
5
6
7
8
AC IN
1
2
3
~2.5V
~2.5V
~0V
~0V
~21V
~21V
~16.5V
~16.5V
~16.8V
~16.8V
~0V
!
!
!
VIDEO-G
VIDEO
TFT-VCC
F103 F2A/250V
F101
F4
A/250V
F102
F4
A/250V
ECO
VCC
GND
1
2
3 CN1600
3P
R129
47K R130
47K
MUTE
1 2 3 4 5
CN109
5P
47K
CIRCUIT DIAGRAM - AMP BLOCK