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Page Title:
CHART 4-1. NO Audio Troubleshooting (Sheet 2 of 25) |
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|  TM 11-5820-401-34-3/0967-LP-432-3060
TROUBLESHOOTING FLOW CHARTS. (CONT)
4-13.
CHART 4-1
NO Audio Troubleshooting
(Sheet 2 of 25)
NOTES
4. Presence of unmuted audio indicates good
Audio Transformer T5001 and probable bad
Resistor R5117 in A5100.
5. Be sure that R-442/VRC VOLUME control is
fully clockwise.
6. Signal at TP5009 is assumedbecause fixed
audio is ok, indicating that FL5001 is good.
The 0.78wac value is approximate and can be as
high as 1.1 v.
4-34
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