panasonic Repair Tips




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MakeModel Ch.SymptomProblem SolutionSolutionBy:
PANASONICSA-AK15
Sem funções no teclado ou com funções intermitentesSoldas frias no microRessoldar micro
PANASONICTC-20A12
Não funciona fonte de 3v baixaC625 em curto 220mF/6v
PANASONICTC-20A2
Não funciona fonte de 3v baixaC625 em curto 220mF/6v
PANASONICTC-29KL03
Fecha o vertical na parte inferiorcapacitor smd na saida vertical
PANASONICTC-21FX30L
DESLIGA EM ALGUNS SEGUNDOS COM PONTO NA TELAC879
PANASONICTC-14RM15L
LIGA E DESLIGAD403 CURTO OU ABERTO
PANASONICTC-29Z99L
DESLIGA IINTERMITENTER518 ALTERAR VALOR PARA 3,3 R
PANASONICTC-29Z99L
DESLIGA SOZINHAD511 COM FUGA
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
PanasonicZ7 TX21S3
stuck in stbyNO 2.6V TO PIN 31 IC1201(Micro), R1218 O/C FUSIBLE 560K 0.5W PART NO. ERO50PKF5603
PanasonicZ7 TX21JT
Reverts to st/by after a couple of hrs & keeps cutting out when sw back onEEPROM vots had dropped to 2.3v (5v) due to D1202 going o/c - check other diodes in EEPROM supply line also
PanasonicZ7 TX14S3T
Wont find chans in chan search, those already tuned in are off tune & dist. Tall, flat & greyscale off in AV mode eeprom Part number XL24CO20-AA cured the faults. Caused by dry joint on LOPTx earth tag corrupting EEPROM. Go into"self check" mode. Done by pressing Status button on the remote & V down on set. Shows OPT O2 on screen.Can't store PP until done