Ic702 Smc62L3A Lcd Drive - Sony WM-GX510 Service Manual

• IC702 SMC62L3A LCD DRIVE

Pin No. Pin Name
1 COM2
2 COM3
3 SEG0
4 SEG1
5 SEG2
6 SEG3
7 SEG4
8 SEG6
9 SEG8
10 SEG9
11 SEG10
12 SEG11
13 SEG12
14 SEG13
15 SEG14
16 SEG15
17 SEG16
18 SEG17
19 SEG18
20 SEG19
21 TEST
22 —
23 RCLK
24 —
25 RDATA
26 NC
27 RESET
28 INT
29 HOLD SW
30 HOLD KEY
31 —
32 RQT
33 —
34 —
35 —
36 VSS
37 VDD
38 OSC1
39 OSC2
40 VS1
41 CA
42 CB
43 CC
44 VL1
45 VL2
46 VL3
47 COM0
48 COM1
I/O
O LCD common signal output
O LCD common signal output
O LCD segment signal output (not used) (open)
O LCD segment signal output (not used) (open)
O
O
O
O
O
O
O
O
LCD segment signal output
O
O
O
O
O
O
O
O
Test signal input (connect to GND)
I
Not used (open)
I
Clock input for receiver
I
Not used (open)
O
Data input for receiver
I
Not used (open)
—
Reset signal input
I
Interruptt signal input for receiver
I
Hold switch signal input
I
Input terminal at key pressing in HOLD condition
I
Not used (open)
I
Retransmission Request output
O
Not used (open)
O
Not used (open)
O
Not used (open)
O
Power supply minus terminal
(I)
Power supply plus terminal
(I)
CR oscillator input
I
CR oscillator output
O
Regulator output
O
—
Step-up capacitor connection terminal
—
—
Regulator output of LCD (Liquid Crystal Display panel) system
O
Step-up output of LCD system
O
Step-up output of LCD system
O
Common output of LCD system
O
Common output of LCD system
O
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Function