[TechAssist] Re: Zenith SD1907W no power 9-470-1B

  • From: "tony saracco" <tcselectronics@xxxxxxxxxxxxxxxx>
  • To: <techassist@xxxxxxxxxxxxx>
  • Date: Fri, 25 Jul 2003 09:40:13 -0500

When that diode goes bad it also opens up a 1k resistor off it.

Tony Saracco
TCS ELECTRONICS
Elgin , IL 60120
847-695-1928
tcselectronics@xxxxxxxxxxxxxxxx
----- Original Message -----
From: "al m" <ampm@xxxxxxx>
To: <techassist@xxxxxxxxxxxxx>
Sent: Thursday, July 24, 2003 12:58 PM
Subject: [TechAssist] Zenith SD1907W no power 9-470-1B


> Cure:There is a diode not on my print that goes to ground off the drive
transformer. It is in the startup circuit. Location C3220 but it was a
diode. Leaky diode had startup pulse pulled down to 5V.
> al marquardt
> ampm@xxxxxxx
> Al Marquardt Electronic Repair
> 206 W Main
> Girardville Pa. 17935
>
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