HP 7936 Support Manual page 162

Troll bleshooting and Diagnostics
7936 and 7937
0 0 0 0 0 0 0
2
10 20 30 40 50
•• • • • • ••• • •••• •• ••• • •• • •• •
AGNO
•
• • • • •
•
•• • •••• •••• •• ••••• •
1 9
19
29
39 49 OGNO
2~
/ 5 0
49
TEST peA PIN ASSIGNMENTS:
PIN SIGNAL
PIN SIGNAL
1 SSRVPT 26 GAP-L
2 DEMOD-L 27
VCOV
3 TEST1 28
PHDET
4 ACUR 29 SRVER-L
5 TERI-L 30 -12UF
6
EXT-INPUT 31 OTEN-H
7 lOB 32 AMPFLT-L
8 SEEK CC 33
TFOUT
9 DLVL 34 SSGT-L
10
ERRSIG 35 TER2
11
TF-INPUT 36 OTO-L
12 PWM-L
37 SPOS
13 DSRVPT 38 TCRS/S
14 SMOT-H 39 TESTEN-L
15 AGNO
40
AGCF-L
16 ZOT
41 ABORT
17 SLPES 42 GBDEN-H
18 DGND
43 SAGC
19 +12UF
44
FSEN-L
20 +5V 45 OF TU-L
21 PES 46 DAGC
22
AMFU-H 47 OPOS
23 OPOS 48 INDEX-H
24 DC OFST 49 SRTF-H
25 SLVL 50
TRKCR-H
S7t37A72
Figure 8-4. Servo System Test Point peA
8-40
AGNO •
OGNO •