[TechAssist] Re: Mitsubishi VS-55707, VZ8 chasssis. dead,push power, double click

  • From: Jim Myers <jr.myers@xxxxxxxxxxx>
  • To: techassist@xxxxxxxxxxxxx
  • Date: Wed, 11 May 2005 12:44:22 -0500

Is this any help Phil?
264P794010  DIODE-LE-HERA806G


********************************
Since 1972                     *
Jim Myers                      *
Telrad Electronics             *
Fort Wayne Indiana             *
********************************


Phil Bader wrote:
> BTW I find no sources for this diode. Even tried NTE with the HERA806G 
> number. No go.
> Vance and Tritronics don't have them.
> Phil
> 
> Philip Bader
> Jan Phyl TV Inc. (estab. 1976)
> 3420 Recker Hwy. Winter Haven, Fl. 33880
> Fax (863) 299-8821
> email: tjanphyl@xxxxxxxxxxxxxxx
> 
> 
> 
> tvservice wrote:
> 
> 
>>Check diode D971 on the +130 volt source for short
>>It's a 8 amp rectifier mounted to heatsink
>>Number on it is HERA806G Mits# 264P794010
>>just fixed this same problem last night.
>>Robert
>>tvservice@xxxxxxxxxxxxx
>>H & H Electronics Inc
>>
>>----- Original Message ----- 
>>From: "Phil Bader" <tjanphyl@xxxxxxxxxxxxxxx>
>>To: <techassist@xxxxxxxxxxxxx>
>>Sent: Tuesday, May 10, 2005 4:00 PM
>>Subject: [TechAssist] Mitsubishi VS-55707, VZ8 chasssis. dead,push power,
>>double click
>>
>>
>> 
>>
>>
>>>Customer said months ago there was a power surge (or interruption) at
>>>their home. When power restored, TV stayed off. Power company said no
>>>way it was their fault.(yeah).
>>>All fuses I find OK. Main AC fuse OK, FC902 (2A GMA) ,FC903 (4A GMA),
>>>F904(6.3A GMA).
>>>Has 5.01 VDC at I/R det diode sensor. Has +12VDCs. Nothing looks
>>>damaged.Push power button on remote, power relay does a quick
>>>   
>>>
>>
>>double-click.
>> 
>>
>>
>>>I unplugged the removable anode from top of flyback that goes over to
>>>seperate HV divider block, no help. Both HOT power transistors OK: Q5A00
>>>and Q5A02.
>>>Downloaded  a few tips... "heck pin 20 IC700 (AC off) for 0 volts. If
>>>high leaky diode D980" Volts are zero, so thats OK.Never hear any
>>>HV,just double relay click.
>>>Nothing in my emails.
>>>Phil Bader
>>>
>>>-- 
>>>
>>>Philip Bader
>>>Jan Phyl TV Inc. (estab. 1976)
>>>3420 Recker Hwy. Winter Haven, Fl. 33880
>>>Fax (863) 299-8821
>>>email: tjanphyl@xxxxxxxxxxxxxxx
>>>
>>>--------------------------------------------------------------------------
>>>   
>>>
>>
>>---
>> 
>>
>>
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