KV-25C5D

[Guestuser]

Good evening the problem is another now , the red led blink 2 time and the screen is still black .
there is someone that can help me danke!

 

[Gast_1]

Widerstand R546 und Zeilenatrieb Transistor Q635 ersetzen.
D512, Q703 (BF420), Q704 (BF421) und Q713 (BF420) prüfen. Zener D701 (MTZ J 5.6B, 5.6V) auf Leck überprüfen und D705 (1N414 auf Unterbrechung an der BR Basis überprüfen

 

[Gast_1]

Folgende Geräte haben das Chassis FE1 / SONY:

KV25C5A SONY
KV25C5B SONY
KV25C5D SONY
KV25C5E SONY
KV25C5K SONY
KV25C5R SONY
KV29C5A SONY
KV29C5B SONY
KV29C5D SONY
KV29C5E SONY
KV29C5K SONY
KV29C5R SONY
KV25K5A SONY
KV25K5B SONY
KV25K5D SONY
KV25K5E SONY
KV25K5U SONY
KV29K5A SONY
KV29K5B SONY
KV29K5D SONY
KV29K5E SONY
KV29K5U SONY
KV29X5A SONY
KV29X5B SONY
KV29X5D SONY
KV29X5E SONY
KV29X5K SONY
KV29X5L SONY
KV29X5R SONY
KV29X5U SONY
KV25R2D SONY
KV25X5A SONY
KV25X5D SONY
KV25X5E SONY
KV25X5K SONY
KV25X5L SONY
KV25X5R SONY
KV25X5U SONY
KV25X5B SONY
KV21LT1U SONY

 

[Guestuser]

danke i'll try !

 

[Guestuser]

i have not the components up descripted i have an r546 but it seems ok and the transistors are bf 421L;bf 871 anda little transist ci 740 and zener is not applied
is possible that the chassis is an E1