Casio UP-370 Service Manual page 18

1 2
VCC3
R41
10K
B Q7 R163
2SA1980S 1K
4.7K R162
DRW1#
A
4.7K R164
DRW2# VCC3
R43
10K
R165
B Q9
1K
2SA1980S
R7
470
DRWSENS
B
VCC3 VP
R45
10K
U16
1
NC NC
2
IN VCC
3
NC OUT
4
GND C
C32 M51957BFP
0.1uF R87
1K
R104
4.7K
U17C
9
DSRRS T#
10
C70 74HC00
1000pF
R88
LDSR#
1K
C
VP
CN6
1
POWE RSW
2
B2P-VH
F2
CN7 FB2
1 125V/5A
2
0251005.
3 BLM31PG330SN1
R73 FB1
TCS7960-5320177
0 BLM31P G330S N1
R101
1M
C72
1000pF
D
1 2
3
B Q8
2SD1415A VP
FM4004/ 1 N4004 F1
R42
*
025101.5
D9 D10
125V/1.5A
FM4004/1N4004
B Q10
VCC3
2SD1415A
R44
*
C27 CN4
0.1uF
1
2
3
4
5
6
VCC3
R72
0
R92
3.3K D5
R8
MCL355
470
C28
0.1uF D6
MCL355
VCC3
C29
VCC
R82
0.1uF
1K
8
7 U17A U17B
6 1 4
5 3
2 5
C34
C33
74HC00 74HC00
0.1uF
0.1uF
VCC3
VCC3
U17D
8 12
11
13 C35
0.1uF
74HC00
C62
100pF
C73
VP
0.01uF
U18
1 8
CB VSW
2 7
SS VIN
3 6
SYNC GND
4 5
FB ON/OFF
LM2672MX-5.0
+ EC3
100uF/50V
3
4 5
DRAW ER
TM5RE2-66
1K
ONLINE_SW#
ONLINE#
ST0
ERRER#
ST1
1K
RFEED#
R98
6
RES#
RES#
330
C71
1000pF
VCC VCC3
U19
VCC VCC3
SPX1117_3.3
L1
2 3
IN OUT
CDRH125 680
+ EC4
1000uF /10V EC5
+
D7
C36 C37
EC31QS06
0.1uF 0.1uF
100uF/16V
* mark are unmounted parts
CASIO COMPUTER CO.,LTD.
4 5
– 16 –
6 7
4.7K R147
VCC3
R83 1K R85
VCC3
C30
0.1uF
R99
180
Q3
4.7K R103 B
2SA1980S
VCC3
4.7K R102 B Q2
2SA1980S
4.7K R148
VCC3
R84 1K R86
C31
0.1uF
GND
R190
R160
BUZZER
0
4.7K
0
R191
0
R192
*0
R193
Model PWB No.
UP-370 EBL-0950D-1
6 7
8
A
VCC
CN5
B
R9
470 1
2
3
4
OP Pannel
5
6
B6B-EH
R100
180
VP
C
R105
BZ1
4.7K
PS1 740P02
B Q6
2SC5343S
R161
10K
D
PWB Name
Main Board Circuit (3/3)
8