Philips 32HF7445/93 - Page 20

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Service Modes, Error Codes, and Fault Finding
EN 20 TPT1.1HA LA5.
Figure 5-8 No Sound flowchart
4. No TV sound
Check if
tuner TU201 pin11
output IF signal
No
Replace TU201
Yes
Check U301
6. No remote function
Tty another
remote control
No
Replace one good
remote control
Yes
Check IR receiver
5. No earphone sound
Check
U760 pin15=3.3V
No
Eliminate short and open
situation
Yes
Check U760
pin20=HPOUTL
pin6=HPOUTR
No
Replace U760
Replace Side AV Board
Yes
H_17010_023.eps
180907