GR2.4AA Repair Tips




Search: GR2.4AA
Results 7
MakeModel Ch.SymptomProblem SolutionSolutionBy:
Philips GR2.4AA
Power Supply Protection enabledReplaced zener diode 6561 BZX79C68
Philips GR2.4AA GR2.4AA
No picture, just black screenCheck R3414, an SMD chip on the CRT board. There could be invisible bad solder joints
PhilipsGR2.4AA
Screen went green & blinked outR3374/3434 1k5 o/c, R3431 180R, R3372 270R o/c, Tr7364 BF422 leaky on crt base. Caused by leakage in crt cured by rejuvenation
PhilipsGR2.4AA
No raster - sound & EHT OK - loptr overheatsScan coils s/c due to dry joints on small pcb on scan coils
PhilipsGR2.4AA
Dead with hissing/cracklingdry joints scan coil plug
PhilipsGR2.4AA
Dead set with beep beep from psuDis plug M71 & check for 150v at coil L5631. If ok check LOP stage - LOPTr, LOPTx, F1534 o/c fuse, 6546 BY226 leaky (will have damaged diodes 6560 LL4148) & 6561 BZX79C68)
PhilipsGR2.4AA
Dead - dry joints scan coil panelAlso damaged -1534 315mA fusible, 3570 6R8 resistor, 6560 LL4148 diode, 6561 BZX79-C68 zener & 7545 BU508AF LOPTr