HP 8340A Service Manual page 163

Model
A39 PLLJ Upconverter, Pin
A39
Pin Mnemonic Levels
1 HUL1
TTL !HIGH TRUE)
16 HUL1 TTL !HIGH TRUE)
2 GND ov
17 GND ov
3 GND
ov
18 GND ov
4 GND ov
19 GND ov
5
GND ov
2a GND
ov
6 GND ov
21 GND ov
7 GND ov
22 GND av
8 GND
av
23 GND ov
9 GND ov
24 GND ov
10 GND ov
25 GND av
11 GND av
26 GND
av
12 -1aV -10V
27 -1aV -10V
GND
13 ov
28 GND
ov
14 GND ov
29 GND ov
15
+5.2V +5.2V
30
+5.2V +5.2V
A single letter in the source or destination column refers to a function block on this assembly
schematic.
(*)
An asterick denotes multiple sources or destinations; refer to the A62 Motherboard Wiring
List for a complete representation of signal sources and destinations.
Scans by HB9HCA and HB9FSX
8340A Service
-
1/0
Source
*G
*G
A62 STAR GND
A62 STAR GND
A62 STAR GND
A62 STAR GND
A62 STAR GND
A62 STAR GND
A62 STAR GND
A62 STAR GND
A62 STAR GND
A62 STAR GND
A62 STAR GND
A62 STAR GND
A62 STAR GND
A62 STAR GND
A62 STAR GND
A62 STAR GND
A62 STAR GND
A62 STAR GND
A62 STAR GND
A62 STAR GND
XA53P1-12, 13, 31, 32,
XA53P1-12, 13, 31 32
A62 STAR GND
A62 STAR GND
A62 STAR GND
A62 STAR GND
XA52P1-17, 18, 41, 42
XA52P1-17, 18, 41, 42
Destination
XA59P1-1 a6
XA59P1-106
*H
*H
*H
*H
*H
*H
*H
*H
*H
*H
*H
*H
*H
*H
*H
*H
*H
*H
*H
*THRU A62L4 TD H
*THRU A62L4 TD H
*H
*H
*H
*H
*THRU A62L3 TD H
H
*THRU A62L3 TD
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