[TechAssist] Zenith 9-1457-1 (sms1943s) no vertical
- From: Gaetan <techno1@xxxxxxxxxxxx>
- To: techassist@xxxxxxxxxxxxx
- Date: Thu, 16 May 2002 15:17:57 -0400
Got a 1994 Zenith sms1943s ch: 9-1457-1 (C12)
with no vertical deflection ...sound ok , and line across middle of screen .
Power supply is ok .
Have change LA7830 , everything look ok around (caps, res. coil)
usual 2.2 ohm resistor is ok too .
Check yoke ok (9 ohms on meter)
Probably signal doesn't get to LA7830 ....or opened component .... and I
don't have the schematic ....
Have redone some soldering , checked all the board .
What do I miss ??? need help
Gaetan Bourgouin
Techno Logik
Terrebonne Que. Can.
techno1@xxxxxxxxxxxx
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