[TechAssist] Re: Intermittent shutdown on Mitsubishi VS-60621 (VZ4 chassis)
- From: "Leonard G. Caillouet" <lcaillo@xxxxxxxxxxxx>
- To: <techassist@xxxxxxxxxxxxx>
- Date: Tue, 26 Nov 2002 12:19:17 -0500
From Misubishi re intermittent shutdown:
1. CHECK FOR LEAKEY D5A21, PART # 264P045040, IN THE BEAM PROTECTION CIRCUIT
ON THE MAIN PCB 2. CHECK PIN 6 OFF IC5A01 FOR 22.2 VOLTS DC IF LOW CHECK
D5A09, PART # 264P244030 ON THE MAIN PCB.
Leonard G. Caillouet
Service Manager
Electronics World
Gainesville, FL
352-332-5608
352-332-5668 (fax)
----- Original Message -----
From: "Gemini Computer & TV" <geminitv@xxxxxxxxxxxxxxxx>
To: "Techassist" <techassist@xxxxxxxxxxxxx>
Sent: Tuesday, November 26, 2002 9:00 AM
Subject: [TechAssist] Intermittent shutdown on Mitsubishi VS-60621 (VZ4
chassis)
>
> I have a Mitsubishi VS-60621 (VZ4 chassis) with intermittent shutdown. I
> have been to the customer's home twice ( I resoldered a multitude of
> connections the first time and replaced capacitors C912 and C914 in the
> power supply the second time). The set may run for a week without shutting
> down or it may act up daily. the problem only occurs when the set is warm.
I
> had to pull the set in the shop but have not yet been able to spend any
time
> with it as I have been a constant roadshow, however, I will be in shop
> tomorrow and would appreciate some feedback if someone has experience on
> these as I am working WITHOUT a service manual. I have not personally seen
> the shutdown. Wish I could provide more and I will be monitoring the B+
> tomorrow. Anyone have some ideas for me?
>
> Bob Waterman, CET® #RI-28
> Master Technician License #9109
> Service Manager
> Gemini Computer, TV, & Security Alarms
> (508)695-7302
> (508)695-7769 FAX
> geminitv@xxxxxxxxxxxxxxxx
> geminitv@xxxxxxx
>
>
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