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Philips 32PFL7422/79 Service Manual page 21

Colour television tpt1.1a la chassis

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5. Service Modes, Error Codes and Fault Finding
2.No raster/picture too
dim
Check
Inverter board
CN852,pin1=16V,
pin5=0.9V,pin6
=3V
Yes
Check
Inverter board
U811 pin2=5V,Q821
pin=5,6=16V
Yes
Check scaler board
No
Check Scaler board
No
Check U811,Q821
21
TPT1.1A LA

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