Tektronix WFM6120 Service Manual

General Maintenance
Table 4-4: Symptoms and causes (cont.)
Symptom Possible Sources or Recommended Detailed Troub lesho oting Procedure to follow
Failures while running the
advanced diagnostics (Cont.):
Cmpst Mux Select
Cmpst DC Rest Ctrl
Cmpst Ref Mux Sel
Cmpst Ref Clk Sel
Display Cmpst Ctrls
DSP1 Cpmst Tests
DSP2 Cpmst Tests
Diagnostic Log Message:
Fail
AUDIO_DSP_HEARTBEAT
Search for an intermittent problem in the audio board, cables, or main board.
No text or traces on LCD Perform LCD troubleshooting test
Traces on LCD but not on Ext
Display output
Replace Main board
WFM6120, WFM7020, and WFM7120 Waveform Monitors Service Manual 4–11

Tektronix WFM6120 Specifications

General

Brand	Tektronix
Model	WFM6120
Category	Monitor
Language	English