Philips BDL4785SL/00 Service Manual page 139

Keypad LED fail
No OSD image
No PC input/output
No DVI input/output
No HDMI input
No DP input
No USB input
No LAN Input
Repair Flow Chart
1. Check Q9 Q10 R162 R163 R164
2. Check P3V3
3. Check J11 soldering
1. Check P5V, P2V5, P3V3,
P1V8,P1V0,1V2,P2V
2. Check J23 PWRBD_ON and
LCD_BRT_CTRL Signal
1. Check L4, L5, L6, (VGA)
2. Check R5 , R7 , R9 (YPbPr)
1.Check MJ6 pin14
2.Check MU26, MU27 , MU29,MU31 ~ MU33
1.Check MJ3 soldering
2.Check MU26, MU27 , MU29,MU31 ~ MU33
1.Check MCN1 soldering
2.Check MU30,MU31~MU33
1.Check J10 soldering
2.Check L110
1.Check J8 soldering
2.Check T1,U8
BDL4785SL LCD 139