|
|
|
Who's Online
There currently are 6002 guests online. |
|
Categories
|
|
Information
|
|
Featured Product
|
|
|
 |
|
|
There are currently no product reviews.
 ;
perfect and good copies, all good readable.
within 24hrs and very cheap also.
 ;
Great salespeople, muuito attentive recommend everyone buy this site.Obrigado by atendomento..
;
everything was fine - fast, readable, worth the price
;
I'm happy to get a manual from this rare old amp. The pdf is from good qualty.
;
very quick service and manual as described - would happily trade here again!
PICTURE AND COLOUR DEFECTS
No picture Raster OK
Check video out signal at pin 38 of IC101
NO
Check the tuner pin voltages. Check the voltage 3.6-4.6 V at pin 18, 19 of IC101. Check and replace F101, IC101.
YES
Only white raster visible on screen
YES
Check CVBS signal with an oscilloscope. The video signal goes through R103, T104, R154, F104, T105, C150 to pin 40 of IC101
NO
There are flyback lines on the screen
YES
Check Hor. Flyback signal at pin 31 of IC101. Check and replace C129 which is connected to pin 11 of IC101.
NO
There are black drops on the screen.
YES
Check and replace C139
NO
No picture. There is a Red, Green or Blue raster on the screen
NO
Check and replace R167, R206, R118, R136, R137, R135, IC101.
|
|
|
> |
|
