Tektronix TLA 704, Service Manual

Page: 102 / 144

Troubleshooting
TLA 704 Color Portable Mainframe Service Manual
6–47
Table 6–4: Power supply voltages and backplane connector pins
J1 Pin Voltage J2 Pin Voltage
Row A Row A
31 –12 V 2 –2 V
32 +5 V 7 –5.2 V
13 –5.2 V
19 –5.2 V
25 +5 V
Row B Row B
31 +5 V STDBY 1
32 +5 V 13
32 +5 V
Row C Row C
31 +12 V 4 –5.2 V
32 +5 V 13 –2 V
19 –5.2 V
31 +24 V
32 –24 V