Xerox Telecopier 7033 Service Manual page 219

P271 (continued)
Pin # Signal Name
33 GND
34 GND
35 GND
36 BSY0
37 GND
38 ACK0
39 GND
40 RST0
41 GND
42 MSGI0
43 GND
44 SEL0
45 GND
46 CDI0
47 GND
48 REQ0
49 GND
50 IO
P/J272
From: Hard disk interface PWB
To: Hard disk power supply
Pin # Signal Name
1 5 VDC
2 5 VDC GND
3 - - -
P/J273
From: Hard disk drive
To: Hard disk power supply
Pin # Signal Name
1 12 VDC
2 ±12 VDC GND
3 5 VDC GND
4 5 VDC
7.3
P/J274
From: Hard disk power supply
To: Hard disk drive, hard disk interface PWB
Pin # Signal Name
1 FRAME GND
2 5 VDC GND
3 5 VDC
4 - - -
5 ±12 VDC GND
6 12 VDC
P/J275
From: Hard disk power supply
To: Power supply
Pin # Signal Name
1 FRAME GND
2 - - -
3 ACH
4 - - -
5 AC(N)
P/J276
From: Power supply
To: Hard disk power supply
Pin # Signal Name
1 FRAME GND
2 - - -
3 ACH
4 - - -
5 AC(N)
6 - - -
7 - - -
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7-39
P280
From: Encryption I/F PWB
To: Option mother PWB
Pin # Signal Name
1A 5 VDC GND
1B 5 VDC GND
2A 5 VDC GND
2B 5 VDC GND
3A 5 VDC
3B 5 VDC
4A 5 VDC
4B 5 VDC
5A D1
5B - - -
6A - - -
6B - - -
7A - - -
7B - - -
8A - - -
8B - - -
9A - - -
9B - - -
10A - - -
10B - - -
11A - - -
11B - - -
12A - - -
12B - - -
13A - - -
13B - - -
14A - - -
14B - - -
15A - - -
15B - - -
16A - - -
16B - - -
Telecopier 7032 / 7033 Service Manual