A7 Micro Deck (N5173B/83B) - Keysight N5171B EXG Service Manual

Troubleshooting
Troubleshooting Assembly Level Problems

A7 Micro Deck (N5173B/83B)

The A7 Micro Deck is made up of circuits that cannot be easily manually tested.
Therefore the troubleshooting of the Micro Deck is limited. The initial condition
of the deck can be verified by verifying the LED's shown in
expected.
Figure 1-16 Micro Deck LEDs
1. Remove the external cover and the top inside cover. Refer to
2. Turn the signal generator on.
3. After power up observe the LED's shown in
70
"Assembly Replacement."
covers.
— DS10 (green) LED normal operation is ON.
— DS11 and DS12 (red) LED's normal operation is flicker at boot-up
then OFF.
— DS3 (amber) LED normal operations is continuously pulsing
(heartbeat).
— DS1, DS2, DS4 through DS9 have no significance in troubleshooting
the instrument.
for instructions on removing the instrument
Figure
Keysight X-Series Signal Generators Service Guide
Figure 1-16 are as
Chapter 3,
1-16.