Read LG 60PZ750-UG (CHASSIS:PU12A) Service Manual online
Great Company Great People
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
31/39
< SIF waveform – sample >
- Defend on the input signal.
- Defend on the input signal.
Y
Click on the first or last page to see other 60PZ750-UG (CHASSIS:PU12A) service manuals if exist.