Philips MCM704D - Basic Functions; System Power and Standby Modes; Volume and Sound Adjustments

SDA
SCL
R135 1K R132 1K
AUX1-L
AUX1-R
AUX2-R
AUX2-L
MUTE
MUTE
+12V
C109
22uF
C111 1uF
C112 1uF
C140 2.2uF
C134 2.2uF
C135
2.2uF
C136 2.2uF C137 2.2uF
C138 2.2uF
C139 2.2uF
C107
47uF
R127
8K2
R126
8K2
C129 104
C125 104
C120
104
C116
104
R120
330
C131 104(M)
C128 104(M)
C118 272 C114
272
DDGND
R139
15 1/4W
C123 2.2uF
C132 2.2uF
1
G1
2
3
4
G2
5
6
J103
RCA-407
VF1 VF2 VF12_0V
DDGND
~23V
EMC-GND
AGND
TU-R
CD-L
CD-R
~10V+
SCL
~10V-
SDA
VF1
VF2
-28V
DDGND
+5V
STANDBY
+12V
TU-L
MUTE
F103
F2AL250V
STANDBY
C163
100uF/35V
-28V
ROT-B
ROT-A
ZD107
3V0
R149
10K
R150
2.2K
R151
2.2K
R154
2.2K
R155
2.2K
R152
47K
R153
47K
R156
47K
R157
47K
R113
2.2
R114
220 1/4W
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
DDGND
ROT-B
ROT-A
D103 4001
1
2
3
CN101
3P
~10V+ ~10V
1 2 3 4 5 6 7 8
CN111 8P
+12V
1
2
3
CN104open
ECO-VCC
ECO-POWER
AGND
TU-R
CD-L
CD-R
~10V+
~10V-
VF1
VF2
ECO-VCC
ECO-POWER
DDGND
ESD
ESD
D108
4001
D109
4001
ESD
C141
2.2uF
TU-L
ZD101
27V
C155
47/35V
D101
D
R107
2.2
~23V
DDGND
DDGND
DDGND
DDGND
R111
1K
C103
47uF
R102
4K7
1
2
CN108
2P
1 2 3
CN106
3P
+ AC AC -
DB101
KBL406
F101
F4AL250V
F102 F4AL250V
C101
2200uF/35V
C102
2200uF/35V
+21V
-21V
R106
4K7
R101
47K
R105
47K
C122
47uF
C130
10uF/50V
R134
15K
R109
15K
R115
47K
HP-MUTE
+12V
C145
104(M)
C157
104(M)
R146
2.2/0.5W
R147
2.2/0.5W
J104
PST-416(UP RED DOWN BLACK)
AGND ~16.5V+ ~16.5V-
AGND
FAN
MUTE_AMP
R180
120
R181
4K7
R182
22K
R160
4K7
R161
4K7
OUT-L
OUT-R OUT-L
R112
4.7k
AGND
OUT-ER
OUT-EL
R110
47K
C105
22uF
C178
332
C179
332
R162
47K
R166
47K
OUT-L
OUT-R
1
2
3
4
CN103
4P
R133
220
H-OUT L
H-OUT R
-Vs
1
-Vs
6
11
GND
9
+Vs
3
STBY
5
7
2 10 8 4
U105
TDA7265
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
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
R104
100K
C108
102
C110
102
R108
0
C113
102
VDD
1
AGND
2
TREB_L
3
TREB_R
4
RIN
5
ROUT
6
LOUD_R
7
RIN4
8
RIN3
9
RIN2
10
RIN1
11
LOUD_L
12
L IN4
13
L IN3
14
L IN2
15
L IN1
16
L IN
17
LOUT
18
BIN_L
19
BOUT_L
20
BIN_R
21
BOUT_R
22
OUT_R
23
OUT_L
24
DGND
25
DATA
26
CLK
27
REF
28
U104
PT2314
D106
4148
D104
4148
Q108
8050
R183
4.7K
R184
47K
C106
2.2uf/50v
C104
2.2uf/50v
R128
18k
R129
560
R130
560
R131
18k
R116
10k
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
MCB700-2
D201
4001
D202
4001
GND
G
1
B
2
A
3
ENCODER301
ENCODER
1
2
3
CN301
3P
ROT A
ROT B
ROT G
C301
103
C302
103
MCB700-3
D301
4001
D302
4001
GND
B1
422A
1
2
3
4
5
6
7
8
AC IN
1
2
3
~2.2V
~2.2V
~0V
~0V
~21V
~21V
~12.5V
~12.5V
~16.8V
~16.8V
~0V
!
0V
120V
!
1
2
34
6
B2
ECO-228A
1 2 3
1
2
TO CN1602
TO CN1601
D1603
4001
D1602
4001
D1601
4001
D1600
40014
R1600
100
REL1600
C1600
220u
ECO VCC GND
Q1600
8050
D1604
IN4001
1
2
3
CN1601
1 2 3
CN1600
3P
1
2
CN1602
2P
12V
12V
CIRCUIT DIAGRAM - AMP BOARD
PART 1
9 - 1
9 - 1