Service manuals, schematics, eproms for electrical technicians
JVC-21AT2
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(BIN)
(BIN)Size
1024.0byte
1024.0byte
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Category
TV
EPROM
TV
EPROM
If you get stuck in repairing a defective appliance download this repair information for help. See below.
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Looking for similar jvc manual?
Good luck to the repair!
Please do not offer the downloaded file for sell only use it for personal usage!
Looking for similar jvc manual?
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- Also known:
JVC-21AT-2 JVC21AT2 JVC 21 AT 21AT2 JVC-21AT2
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Relevant TV forum topics:
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!
Segítségre lenne szükségem! Tárgybéli készülék zárlatos sorvégtranyóval került hozzám. Csere után sem indult, ezért betettem a 150V-os ágba egy izzót (trafó 3-as lába elé). A nagyfesztrafón a 45V és 15V-os lábakon szép jelet találtam, de a 200V-os lábon igen kicsit. (( GND-hez képest ez a láb 1,5kOhmot mutatott)). Ez a trafó akkor kuka?
A fenti rajzon lévő nagyfesztrafó nem így néz ki belülről, hibás a Service Manual!
Üdv: Jácint
A fenti rajzon lévő nagyfesztrafó nem így néz ki belülről, hibás a Service Manual!
Üdv: Jácint
Üdvözlet mindenkinek!
A címben említett készülék úgy került hozzám hogy csak egy vízszintes csík villant fel a képernyőn,gondoltam rossz az eltérítés és letilt ezért villan csak fel a csík.Megjavítottam az eltérítést,kicseréltem az eltérítő Ic-t és egy 1ohm-os ellenállást amin keresztül a tápot kapja az IC.Jelen pillanatban bekapcsolás után készenlétet jelző led pirosról zöldre vált és a képernyő egy pillanatra kék színű lesz majd a led vissza vált pirosra,csatornaváltó gobokra nem reagál.Találkozott már valaki ezzel a hibával?Előre is köszönöm.
Üdv:Mitu
hello
i need the software in the memory IC /eeprom of a jvc LT-42A85BU LCD TV. anyone can help please?
maybe someone has this board and want to make a copy? the software is damaged in my tv, it's useless now :(
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