Philips 37PFL7422/79 Service Manual page 20

20
TPT1.2A LA
7.LED and function
Check circuit around
control board and cable
between control board
and scaler board
8.No HDMI picture
5. Service Modes, Error Codes and Fault Finding
key poor
Enter CSM mode
to check item 6
Valid
Check Scaler Board
Invalid Change U701 writen
HDCP KEY