Sony HCD-NEZ30 Service Manual page 35

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Pin No.
Pin Name
46 O-POWER
47
I-SUFFIX
48 I-RE-VOL
49
I-MP3-REQ
50
I-MP3-ACK
51 to 53 MD2 to MD0
54 RESET
55
O-TU-CE
56
O-TU-CLK
57
O-TU-DI
58 VLCD
59 to 62 COM0 to COM3
63, 64 SEG0, SEG1
65 VCC
66
GND
67 to 89
SEG2 to SEG24
90 VCC
91
VSS
TE
L 13942296513
92
93 XO
94 to 100 SEG25 to SEG31
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I/O
O Power relay drive signal output terminal
I Model destination setting terminal
I Dial pulse input of the rotary encoder (for VOLUME control)
I MP3 data request signal input from the CD DSP
I MP3 acknowledge signal input from the CD DSP
- Not used
Reset signal input from the reset switch "L": reset
I
For several hundreds msec. after the power supply rises, "L" is input, then it changes to "H"
O Chip enable signal output to the tuner (FM/AM)
O serial data transfer clock signal output to the tuner (FM/AM)
O Serial data output to the tuner (FM/AM)
- Terminal for doubler circuit capacitor connection to develop liquid crystal display drive voltage
O Common drive signal output to the liquid crystal display
O Segment drive signal output to the liquid crystal display
-
Power supply terminal (+3.2V)
- Ground terminal
O
Segment drive signal output to the liquid crystal display
- Power supply terminal (+3.2V)
- Ground terminal
XI I
Main system clock input terminal (4.19 MHz)
O
Main system clock output terminal (4.19 MHz)
O
Segment drive signal output to the liquid crystal display
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Description
"H": on
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HCD-NEZ30
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2 8 9 9
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