Figure 5-8. Service Adapter Connections; Using The Service Adapter; Hp 85102 If Amplifier Test - HP 8517B Operating & Service Manual

Troubleshooting the Test Set
Troubleshooting Procedures
Table 5-4 Instrument Self-Test Indicator State Definitions
Self-Test Indication LSN
Pass ROM Test OFF
Start RAM Test OFF
Pass RAM Test OFF
HP 85102 IF
The service adapter can substitute as a test set by returning the 20 MHz IF
Amplifier Test
signal from the HP 85102 to the amplifier on the HP 85102. Doing this
determines whether a fault is in the test set or is in the HP 85102.

Using the Service Adapter

1. Connect the service adapter as shown in Figure 5-8. On the network
2. Examine each user parameter by pressing the
3. The traces should be flat lines, quite close to one another, as indicated by
5-12 HP 8517B S-Parameter Test Set Manual
TLK SRQ
OFF ON
OFF OFF
OFF OFF
Figure 5-8 Service Adapter Connections
analyzer, press:
INSTRUMENT STATE
MENUS
[MARKER]
STIMULUS
[MENU]
{STEP}
PARAMETER
[MENU]
softkeys to observe unratioed power level traces at each
{USER 4 b1}
channel.
the marker value (typically about –28 dB, 5 dB).
REM Time (Following Power-On)
ON 0.5 to 0.2 seconds
ON N/A
OFF after 2 seconds
[PRESET]
{USER 1 a1}
through