Service manuals, schematics, eproms for electrical technicians
DUCASTEL 135 TV RECEIVER 1953 SCH
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335.2 KB
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TV
SERVICE MANUAL
TV
SERVICE MANUAL
If you get stuck in repairing a defective appliance download this repair information for help. See below.
Good luck to the repair!
Please do not offer the downloaded file for sell only use it for personal usage!
Looking for similar ducastel manual?
Good luck to the repair!
Please do not offer the downloaded file for sell only use it for personal usage!
Looking for similar ducastel manual?
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DUCASTEL RECEIVER 135 TV 1953
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Warning!
If you are not familiar with electronics, do not attempt to repair!
You could suffer a fatal electrical shock! Instead, contact your nearest service center!
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Relevant TV forum topics:
Sziasztok!
Egy BEKO C7-be kellene, átalakítás nélkül kiváltható-e a TDA8177 az STV9379-el?
Üdv.
Sziasztok!
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Tiszteletem mindenkinek !
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Philips 42PFL3605/12 won't start.
This is TPM4.1 ELA chassis.
DC-DC converter U7106 (G973-120) is faulty, Replace with BA033T or similar.
Footprint might be different but as long as a 3,3 V low drop stabilizer ic, approx. 1A output capability is used it will work.
Pin 3&4 from the U7106 is 3,3V outputpin 5 & 6 is aprox. 5,2 V input.
Mind you: The botom of the case of the original U7106 is also soldered to mainboard.
U7106 can be found on the right side of the mainboard next to the metal case on the mainboard.
To check if this is indeed the problem, measure at pin 3 & 4 for always 3,3V, if defective the voltage will be somewere around 1,2 V .
Then the set will not start.