[TechAssist] Re: Electrohome 69ck02-clicking on/off
- From: "Tel-Tek Electronics" <teltek@xxxxxxxxxxx>
- To: <techassist@xxxxxxxxxxxxx>
- Date: Fri, 4 Jan 2002 16:22:02 -0500
May be caps in Regulator circuit.
Are you sure about your Model No. 69CK02.
Give the Chassis family, and I may have cross reference.
-Ed-
teltek@xxxxxxxxxxx
TEL-TEK ELECTRONICS.
----- Original Message -----
From: "Ian Scott" <service.depot@xxxxxxxxxxx>
To: "Techassist" <techassist@xxxxxxxxxxxxx>
Sent: Friday, January 04, 2002 10:08 AM
Subject: [TechAssist] Electrohome 69ck02-clicking on/off
>
> Hello folks, I have a TV that clicks on/off when I hit the power button.
> If I short the power relay contacts it runs ok. There are two
> transistors that drive the power relay coil. I replaced them, the unit
> started to work and worked for several days (until my customer took it
> home, then it quit working).
> I have replaced the power relay, a capacitor (220ufd/10v) right next to
> power relay, and checked resistors in and around the circuit. I thought
> I had repaired it after I replaced the capacitor, because it started
> working again, and continued to work for several hours. The next
> morning it was back to the same on/off fault.
> The base of the first transistor stays at .6 volts after the power
> button is pressed, but the second transistor's base is changing, which
> powers the relay on/off. I do not have a schematic.
> I appreciate any help.
>
> Thanks in advance,
> Ian Scott
> Service Depot
>
>
>
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