Philips 32HF7445/93 - Page 17

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Service Modes, Error Codes, and Fault Finding
EN 17TPT1.1HA LA 5.
5.2 Repair Flow Chart
Figure 5-5 Start-up flowchart
1.No work/LED is off
Check if
power switch is
normal
No
Replace Power switch
Yes
Check
IR board CN001
pin1=0V,pin2=3.7V,
pin3=3V,pin4=2.85V
,pin5=5V,pin6
=3.3V
Check IR board
Yes
Check scaler board U102
pin1=14V,pin4=1.22V,
pin7=16V,pin8=5V,
No
H_17010_020.eps
180907