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Crumbtrail TV Forums: TV Equipment: TV Repair Forum:
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richpart
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Oct 1, 2009, 10:40 PM

Post #1 of 6 (1619 views)
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jts1957
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Oct 1, 2009, 10:50 PM

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Re: [richpart] Zenith H27G48S Digital TV [In reply to] Can't Post
FOUND:
Dead or intermittent dead, volts on top pin of ICX700 pin 1 0 volts on foil side of board 10 volts. Bad solder to pin of IC. Had this problem years ago with IC sockets.


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Location: Far, Far Away


richpart
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Oct 2, 2009, 12:47 AM

Post #3 of 6 (1606 views)
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jts1957
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Oct 2, 2009, 3:35 AM

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Re: [richpart] Zenith H27G48S Digital TV [In reply to] Can't Post
I thought "H" was for hospitality series? Hospital/Hotel


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Location: Far, Far Away


richpart
User


Oct 2, 2009, 3:36 AM

Post #5 of 6 (1598 views)
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Re: [jts1957] Zenith H27G48S Digital TV [In reply to] Can't Post
This is straight off the manual's cover. I can tell you it has an extra long power cord LOL.









Knowlege is King Baby!!!


richpart
User


Oct 3, 2009, 12:58 AM

Post #6 of 6 (1581 views)
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Re: [richpart] Zenith H27G48S Digital TV [In reply to] Can't Post
I have found what was ailing this unit:
Symptom: Has double power supply, first relay clicking and staying on, second relay continuosly clicks.

Replace:
QX3205 which is a KDT2059 NPN Triple Diffused transistor was bad and also R3223 (1.5 Ohm 2 Watt) off the collector of this transistor. Voila, power supply works and relay trips.









Knowlege is King Baby!!!

 
 
 


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