Philips 32HF7445/93 - Page 18

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Service Modes, Error Codes, and Fault Finding
EN 18 TPT1.1HA LA5.
Figure 5-6 No Raster flowchart
2. No raster/picture too
dim
Check
Inverter board
CN852,pin1=16V,
pin5=0.9V,pin6
=3V
No
Check Scaler board
Yes
Check
Inverter board
U811 pin2=5V,Q821
pin=5,6=16V
Check U811,Q821
Yes
Check scaler board
No
H_17010_021.eps
180907