Sony WM-FX822 Service Manual page 17

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Pin No. Pin Name
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
TE
L 13942296513
41 CA
42 CB
43 CC
44 VL1
45 VL2
46 VL3
47 COM0
48 COM1
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I/O
I Test signal input (connect to GND)
I Not used (open)
I Clock input for receiver
O Not used (open)
I Data input for receiver
— Not used (open)
I 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)
O Retransmission Request output
O Not used (open)
O Not used (open)
O Not used (open)
(I) Power supply minus terminal (GND)
(I) Power supply plus terminal
I CR oscillator input
O CR oscillator output
O Regulator output
—
— Step-up capacitor connection terminal
—
O Regulator output of LCD 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
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8
Function
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