Read Sharp LC-20B2E (serv.man2) Service Manual online
15
LC-13B2H/M
LC-15B2H/M
LC-20B2H/M
LC-15B2H/M
LC-20B2H/M
4-6. Description of dual operational amplifier IC (IC1106, 07, 08) VHINJM4580V-1Y terminals
No.
Terminal name
Description
1
A OUTPUT
Output terminal
2
A –INPUT
Input terminal
3
A +INPUT
Input terminal
4
V–
Power supply terminal
5
B +INPUT
Input terminal
6
B –INPUT
Input terminal
7
B OUTPUT
Output terminal
8
V+
Power supply terminal
4-7. Description of dual operational amplifier IC (IC1109) VHINJM353M/-1Y terminals
No.
Terminal name
Description
1
A OUTPUT
Output terminal
2
A –INPUT
Input terminal
3
A +INPUT
Input terminal
4
V–
Power supply terminal
5
B +INPUT
Input terminal
6
B –INPUT
Input terminal
7
B OUTPUT
Output terminal
8
V+
Power supply terminal
4-8. Description of line buffer IC (IC1202) VHIPD485505-2Y terminals
No.
Terminal name
Description
1
Dout0
Data output
2
Dout1
Data output
3
Dout2
Data output
4
Dout3
Data output
5
RE
Read enable input
6
RSTR
Reset read input
7
GND
Ground
8
RCK
Read clock input
9
Dout4
Data output
10
Dout5
Data output
11
Dout6
Data output
12
Dout7
Data output
13
Din7
Data input
14
Din6
Data input
15
Din5
Data input
16
Din4
Data input
17
WCK
Write clock input
18
Vcc
Power supply voltage
19
RSTW
Reset write input
20
WE
Write enable input
21
Din3
Data input
22
Din2
Data input
23
Din1
Data input
24
Din0
Data input
4-9. Description of multiplexer IC (IC1204) VHITC4024BF-1Y terminals
No.
Terminal name
Description
1
CLOCK
Clock input
2
RESET
Reset input (Active High)
3
Q7
Input terminal
4
Q6
Input terminal
5
Q5
Input terminal
6
Q4
Input terminal
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