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Electronics Repair (sci.electronics.repair) Discussion of repairing electronic equipment. Topics include requests for assistance, where to obtain servicing information and parts, techniques for diagnosis and repair, and annecdotes about success, failures and problems. |
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Zenith IQ3597 Video Problem
Module exchange will repair the main board! Call north texas dist at
1-800-553-6168 for price! "JohnAce" wrote in message ... I have a Zenithin for repair.. No video, I have HV and sound and if I turn up tyhe G2 the tube is lit with slight retrace. It has a 9-1643 video board but I can't seem to get anywhere even through PTS. I have no schematic on this and would like to fix it. The drivers on the CRT board are cold and I get about 212 volts on the collector If that is any help.. Thanks |
#2
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Zenith IQ3597 Video Problem
Or, you could look for a bad resistor, and possibly a bad diode, for the 200
volt line. Mark Z. "Mr. Lee" wrote in message news Module exchange will repair the main board! Call north texas dist at 1-800-553-6168 for price! "JohnAce" wrote in message ... I have a Zenithin for repair.. No video, I have HV and sound and if I turn up tyhe G2 the tube is lit with slight retrace. It has a 9-1643 video board but I can't seem to get anywhere even through PTS. I have no schematic on this and would like to fix it. The drivers on the CRT board are cold and I get about 212 volts on the collector If that is any help.. Thanks |
#3
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Zenith IQ3597 Video Problem
If a resistor has changed values, chances are that its being cooked. try a
higher wattage one next time "JohnAce" wrote in message ... Thanks, What I found were 2 open resistors on the sweep board. One was open and the other changed in Value. Thanks again |
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