Panasonic TV Repair: Common Faults and Solutions.


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Panasonic Repair Guide: Common Issues and Fixes

Brand Model Fault Detailed Problem Solution By
PANASONICTC-14C5
Tc-14c5 does not work because the power supply is too lowD-818 shorted
PANASONICTC-20C6
MX1		Trigger protectionVertical circuit la-7837
PANASONICTC-29S10
Horizontal flashing open dateD555 - zener de z, shv (ma 165)
PANASONICSA-AK15
No functions on the keyboard or with intermittent functionsCold soldering on the microSolve micro
PANASONICTC-20A12
Low 3v supply doesn't workC625 shorted 220mf/6v
PANASONICTC-20A2
Low 3v supply doesn't workC625 shorted 220mf/6v
PANASONICTC-29KL03
Closes the vertical at the bottomCapacitor smd na saida vertical
PANASONICTC-21FX30L
Turns off in a few seconds with a dot on the screenAs a testimonial
PANASONICTC-14RM15L
Turn on and offD403 short or open
PANASONICTC-29Z99L
Turns off intermittentlyR518 change value to 3.3 r
PANASONICTC-29Z99L
Turns off by itselfD511 with leak
PANASONIC EURO 4
Av1 is ok but can't select av 2 or 3Ic 601 vidoeprocessor (vdp3120bc2 ) dc voltage pin 63 (av2) and pin 64 (av3) if near 0v (normal 1.5v) then replace ic 601
PANASONIC
Dead with whineHt low - ok on dummy load - loptx code 78550lt from wve
PANASONICZ8 TX25CK1
Lack of height"modified" by replacing r603 from 3k to 4k7.
PANASONICZ8 TX21CK1
Tripping, relay clickingC815 220uf 160v leaky
PANASONICZ8 TX21CK1
Int or no soundC1201 470uf 16v
PANASONICZ7 TX21S3T
Stuck in stbyEeprom ic1205 (xl24c02pbab) faulty, check by bypassing the relay
PANASONICZ7 TX21S3T
Negative pic with agc overload via tiner (ok via scart)Faulty eprom. before replacing enter service mode and write down eprom values.change ic and enter orig.values, you must enter "shipping condition autotune"
PANASONICZ7 TX21S3T
Int. startup, int. blank raster, int. no remote operationLow sda/scl lines, d307 bzy88c4v7 leaky
PANASONICZ7 TX21S3T
Goes to stby after 5-10 minsD1208 ma170 leaky