Pioneer SCU-M2096ZH Service Manual page 38

SCU-M2096ZH,CD-R1546ZH
- Pin Functions (PD4762A)
Pin No. Pin Name
1,2 NC
3 DPDT
4 KYDT
5 NC
6 GND
7 X2
8 X1
9 VDD
10 TESTIN
11 NC
12 RESET
13 RENIN
14–18 NC
19-22 KDT3-0
23–26 KST6-3
27 AVSS
28–30 KST2-0
31 VOLUP
32 VOLDN
33–35 NC
36 AVDD
37 AVREF
38,39 NC
40 VSS
41–50 NC
51-54 COM0-3
55 BIAS
56–58 VLC0-2
59 VSS
60 NC
61–97 S37-1
98–100 NC
*PD4762A
31
50
38
I/O Function and Operation
Not used
I Display data input
O Remote control data output
Not used
GND
Crystal oscillator connection pin
Crystal oscillator connection pin
Power supply
I Test program mode input
Not used
I Reset input
I Remote control pulse input
Not used
I Key data input
O Key strobe output
I A/D GND
O Key strobe output
I Volume up input from encoder
I Volume down input form encoder
Not used
Positive power supply terminal for analog circuit
A/D converter reference voltage
Not used
GND
Not used
O LCD common output
LCD power supply
LCD power supply
GND
Not used
O LCD segment output
Not used
100
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