Service manuals, schematics, eproms for electrical technicians
JVC C14Z
Type: 
(RAR)
(RAR)Size
322.0byte
322.0byte
Page
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Category
TV
EPROM
TV
EPROM
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JVC C-14Z C14Z 14
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Relevant TV forum topics:
Sziasztok.
A fenti tv-vel közdöttem.
Minden rendben van vele elvileg ha a menü gombot megnyomom a távon rendesen bejön a menü.
Ha itt lépni akarok bármerre kilép a menüből vissza a tv-hez.
Így nem tudok gyári beállítást se csinálni meg igazából semmit.
Epromra gyanakodtam, kivettem tettem bele üreset, így el se indult.
Tartalmat nem találok hozzá.
Szervíz manuál szerint FT3 sasszi.
Esetleg volt már ilyen hiba valakinél?
Merre tovább?
Köszönöm előre is.
JVC AV-21FMG4G Chassis SCW-1362A CRT TV blinks continuously after three failing power on attempts.
According to the customer, the upper portion of the screen started shrinking with horizontal lines, then ended with a single thin horizontal line.
This suspects the vertical drive section to be problematic. No vertical output though vertical in put is OK. After conducting an ESR check for capacitors in the vertical section, C428 (100uF 35V), connecting VCC1 with Pump-up pin # 3 of the IC, it measured 1200pF. It was replaced but still no vertical output. So changed the vertical IC401 (TDA78040), and the output appeared, but still blinks after three failing start-ups. I, m suspecting the corrupt EEPROM data.
CPU: TDA11010H / N1D00
EEPROM: 24C16A
Any one with EEPROM dump for this model or any help please?
According to the customer, the upper portion of the screen started shrinking with horizontal lines, then ended with a single thin horizontal line.
This suspects the vertical drive section to be problematic. No vertical output though vertical in put is OK. After conducting an ESR check for capacitors in the vertical section, C428 (100uF 35V), connecting VCC1 with Pump-up pin # 3 of the IC, it measured 1200pF. It was replaced but still no vertical output. So changed the vertical IC401 (TDA78040), and the output appeared, but still blinks after three failing start-ups. I, m suspecting the corrupt EEPROM data.
CPU: TDA11010H / N1D00
EEPROM: 24C16A
Any one with EEPROM dump for this model or any help please?
Sziasztok,
előzmény itt: http://elektrotanya.com/?q=hu/content/11ak19-taphiba-megoldva
Ma visszahozták, megint nem megy. Szétszed, 5W porcelán az elején szakadt, zárlatot nem találtam. Csere, nem indul, FET zárlatba megy, bizti röpül. Csere P6NK60ZFP-re, elindul. Járatás, FET hűtőborda kellemesen langyos. Összerak, nem indul. Szétszedem, mozgatásra néha indul. Panel kifordít, azótan nem megy, zárlatot és szakadást nem találok. 300 Volt megvan, mozgatásra, már nem reagál, életjelet nem ad, mindent jónak mérek. Most hogyan tovább? Nincs ötletem, alszom rá egyet meg feldobtam itt, hátha reggelre megvilágosodunk.
Köszi,
Tamás
Tisztelt MesterUrak.
Ebbe a készülékbe keresnék flash tartalmat.17MB82-2 main,VES236W-NEC-03 kijelző.
Lehetőleg USB-n feltölthető legyen.Nagyon hálásan megköszönöm elöre is mindenféle segitséget.
Maradok Tistelettel.
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