Philips DVDR3355 Service Manual page 12

EN 12 5.
3139 785 30981
5.2 Repair Chart
5.2.1 Completely Dead Set
Upgrade Software & Repair Chart
Check primary fuse Holder 1401
OK
Check Voltage at Fuse
1405,1406,1407,1408,1409,1410
OK
Check Voltage at
F424,F434,F406,F439,F409,F447,F449,F457
OK
Check STBY at F441=high?
OK
Measure Voltage across F420 & F459
OK
Check DRAIN (pin 8) at F417 = 300V ?
OK
Check waveform at
F417, I407, I409
OK
Check front board for Supply
F115=4.85V- 4.95V
OK
Check Clock
F132 & F131 =32K768MHz
OK
Check Power_Fail
At F126 = 5V?
OK
Check digital board
T516 = 1.8V
T515 = 2.5V
T201 = 1.25V
T202 = 1.25V
OK
Check connectivity at inductor 5291 or
voltage at capacitor 2291 = 3V3