Philips 32HF7445/93 Service Manual page 20

EN 20 5. TPT1.1HA LA
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Service Modes, Error Codes, and Fault Finding
4. No TV sound
Check if
tuner TU201 pin11
output IF signal
Yes
Check U301
5. No earphone sound
Check
U760 pin15=3.3V
Yes
Check U760
pin20=HPOUTL
pin6=HPOUTR
Yes
Replace Side AV Board
6. No remote function
Tty another
remote control
Yes
Check IR receiver
Figure 5-8 No Sound flowchart
No
Replace TU201
Eliminate short and open
No
situation
No
Replace U760
Replace one good
No
remote control
H_17010_023.eps
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