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Analog TV Audio Trouble Shooting
Check video output
Follow procedure All source audio trouble
shooting
(on page 27
Y
Follow procedure analog TV video
trouble shooting
(on page 15)
N
Replace BCM35230 (IC101)
Check TU2103 (pin3) for 5V
Replace IC500 or IC506
N
Y
Check SIF signal (TU2103 #9)
Replace Tuner
N
Y
Check SIF signal (R2138)
Check SIF line
N
Y
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< SIF waveform – sample >
- Defend on the input signal.
- Defend on the input signal.
Y
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