SPP-S2720
31
31
TP201
TP202
FL201
R202
C206
R203
C207
C209
IC201
IC202
C212
TP203
C102
R101
TP103
C155
C156
C103
C104
C153
C154
R103
R104
C112
R109
C109
RY101
R107
C113
R110
R111
D114
R113
C118
R114
Q104
R112
TP104
C159
R135
L103
T101
R115
C139
C140
R139
R148
C141
C126
R134
TP109
C131
C138
R138
C145
R141
C146
R193
TP112
C211
TP204
C123
R131
R132
C122
R127
R128
R124
R123
R126
R125
R130
TP108
R133
C124
R129
R140
R150
R142
C147
TP101
TP102
F101
L102
L101
SG101
C101
R106
R108
JC301
C119
C144
R137
MJ101
J201
C135
TP105
TP106
C130
R136
TP110
R201
L104
D103
PH101
L203
Q101
D111
Q102
Q103
PH102
Q106
IC102
D202
D203
D107
D108
D109
D110
D201
Q105
D106
1k
1000
16V
10
1W
10
50V
1000
6.3V
BA033T
4700
6.3V
0.47
250V
22k
1W
10p
10p
220p
1kV
220p
1kV
10p
10p
33k
2.2k
2.2
50V
470k
100p
500V
47k
33
50V
4.7k
22
1/2W
RD12FB1
6.8k
10
50V
15
1/2W
2SC5069-TD
22k
0.0033
120
0
1k
1W
XX
470p
10k
0.5%
0
10
50V
10
50V
10k
47
25V
10
50V
22k
0.5%
0
0
0.47
33
0.1
0.033
680k
4.7M
0.1
22k
1k
4.7M
4.7M
4.7M
4.7M
470k
680k
0.033
22k
0
0
33
470
10V
0.5A
250V
100p
500V
10k
220k
0
10
50V
0
10k
0.0015
0.0015
15k
1k
0
1SS133T
-77
K817P6
2SC4081T106Q
1SS133T
-77
2SA1576A-QR
-T106
2SC4081T106Q
K817P6
2SC4081T106Q
BA10358F-E2
1SS133T-77
1SS133T-77
RL1N4004-FW
RL1N4004-FW
RL1N4004-FW
RL1N4004-FW
RL1N4004-FW
2SA1576A-T106-QR
MTZJ-T-77-6.8
A
1
A
2
B2
B3
B4
B5
B6
B7
B8
AN1
P71
P17
PP1
AN0
LINE
+
-
POWER SUPPLY
(12V)
DC IN 9V
RELAY DRIVE
I
O
G
I
O
G
+5V REGULATOR
+3.3V REGULATOR
VCC
VEE
RINGER DETECT
PH102,Q102,103
BRANCH DETECT
DC LOOP
FILTER
TEL AMP
B+ SWITCH
TEL LINE
BRANCH DETECT
2.2
µ
H
2.2
µ
H
µ
PC29MD5HF
C136
3p
6-7.
SCHEMATIC DIAGRAM – BASE MAIN Board (2/3) –
•
See page 23 for Note on Schematic Diagram.
(Page 30)
(Page 32)
Summary of Contents for SPP-S2720
Page 51: ...51 SPP S2720 MEMO ...