HP 8753E

&T
REGULATOR BOARD
SOLDER s, DE
::I:I::: : A1532
NOTE-
I
1
VOLTAGES ALL CABLES
AND ASSEMBLIES
CONNECTED
sb6130d
Figure 5-6. A15Wl Plug Detail
Check for a Faulty Assembly
This procedure checks for a faulty assembly that might be shutting down the
Al5 preregulator via one of the following lines (also refer to F’igure 5-l):
n A15Wl connecting to the A8 post regulator
n the + 5 VCPU line through the motherboard
n the +5 VDIG line through the motherboard
Do the following:
1. Switch off the analyzer.
2. Ensure that A15Wl is reconnected to A8. (Refer to Figure 5-5.)
3. Remove or disconnect the assemblies listed in ‘lhble 5-3 one at a time
and in the order shown. The assemblies are sorted from most to least
accessible. Table 5-3 also lists any associated assemblies that are supplied
Puwer Supply Troubleshooting
5-11