Schematic Diagram - Base Main Board (2/3) - Sony SPP-S2720 Service Manual

6-7. SCHEMATIC DIAGRAM – BASE MAIN Board (2/3) – •
POWER SUPPLY MJ101
(12V) LINE
L101
TP101
2.2µH
+
SG101
-
L102
F101
TP102
2.2µH
0.5A
250V
C102
0.47
250V
R101
22k
1W
D103
1SS133T
TP201 FL201
J201
RL1N4004-FW
DC IN 9V
TP202
See page 23 for Note on Schematic Diagram.
R106
10k
C109 C113
100p 33
500V 50V
C101
100p
Q102
500V
2SA1576A-QR
-T106
RY101
D111 C112
R107
1SS133T 2.2
47k
-77 50V
C103 C104
C153 C154
220p 220p
10p 10p
1kV 1kV
Q101
C155 C156
2SC4081T106Q
10p 10p
RELAY DRIVE
PH101
K817P6
RINGER DETECT TP103
D106
MTZJ-T-77-6.8
-77
R201
1k
D202 1SS133T-77
D201
+3.3V REGULATOR
IC201
R203
BA033T
10
1W L203
I O
G
C206 C207 C209
R202
1000 10 1000
1k
16V 50V 6.3V
R110
R111
R112
4.7k
22
22k
1/2W
R108
220k
PH102
K817P6
TP104
Q104
2SC5069-TD
DC LOOP
PH102,Q102,103
FILTER
BRANCH DETECT
R113
6.8k
Q103
2SC4081T106Q
C118 R114
R109
10 15
470k
50V 1/2W
R123 R124
4.7M 4.7M
R104
2.2k
P17
R103
33k
P71
TP203
PP1
D203 1SS133T-77 TP204
+5V REGULATOR
IC202
µPC29MD5HF
I O
G
C212
C211
4700
0.1
6.3V
31 31
Q105
2SA1576A-T106-QR
TP105
TEL LINE
R193
B+ SWITCH
33
C119
10
50V
C131 C138 R138
R134 C130 47 10
10k 0.0015 25V 50V 0.5%
TP106
TP109
C126 C139 C140
10 XX 470p
R136
50V
15k
C141
L103 10 R148
TP110
0 50V
Q106
2SC4081T106Q
TEL AMP
C145 R141
0
T101
R115
R135 R137
C136
1k C159 C135 TP112
120 10k
3p
1W 0.0033 0.0015
R125 R126
4.7M 4.7M
R132
4.7M
C123 R131
0.033 680k
VCC
BRANCH DETECT
IC102
VEE
C122 R127 R128 BA10358F-E2
0.1 22k 1k
JC301
0
R130
470k
R133 C124
R129
680k 0.033
22k
TP108
SPP-S2720
(Page 30)
22k R140 C144
0 0
B2
R139
10k
0 0.5%
C146
0 0.47
B3
C147
470 10V
R142
33
L104
0
B4
B5
(Page 32)
AN0
B6
R150
0
B7
B8