[TechAssist] fix. Broksonic VCR/DVD recorder deck DRVCR-900 (cat# M2D316) dead,surge]
- From: Phil Bader <tjanphyl@xxxxxxxxxxxxxxx>
- To: "techassist@xxxxxxxxxxxxx" <techassist@xxxxxxxxxxxxx>
- Date: Wed, 27 Jul 2005 14:36:26 -0400
Fix:
On the power supply board:
D-531 D97u013101B MTZJ13B (13T Zener)
D-510 D97u022101B MTZJ22B (22T Zener)
Both diodes were shorted.
Resistor R506: 1 meg ohm, 1/2 watt open.
Reg. transistor Q502: 2SC3203Y (NTE382, I used orig.) shorted.
Service manual for Model # DRVCR-900 cost $29.50 including shipping charges
All is well now.
Phil Bader
Philip Bader
Jan Phyl TV Inc. (estab. 1976)
3420 Recker Hwy. Winter Haven, Fl. 33880
Fax (863) 299-8821
email: tjanphyl@xxxxxxxxxxxxxxx
personal/ alt. email: pbader@xxxxxxxxxxxxxxx
see our ad at:
http://jan-phyl-television-pc-monitor-service.9601288257006.worldpages-ads.com/
Phil Bader wrote:
> I found two glass SMPS diodes shorted so far:
>
>> D531 zener and D510. Need values.
>
> Broksonic parts (800-333-9099) called me back with this part ID info:
> D531 is a zener# MTZJ13BP-77. I think it crosses to an NTE5022A/ 13
> Volt Zener.
> D510 is a zener# MTZJ22BP-77. I can't cross to NTE but looks from the
> number it could be a 22 Volt zener?
> They sell the manual for $25.00 but trying to avoid the cost of course.
> Anyone confirm these values?
> Phil Bader
>
>
>
>
> tjanphyl@xxxxxxxxxxxxxxx wrote:
>
>> I meant to ask if there were any Broksonic ASCs out there? Their web
>> site is under constructuin and would like the smps diagram on this...
>> Phil
>>
>> ----- Original Message -----
>> From: Phil Bader <tjanphyl@xxxxxxxxxxxxxxx>
>> Date: Saturday, July 16, 2005 8:56 am
>
> Broksonic VCR/DVD recorder deck DRVCR-900 (cat#
>
>> M2D316) dead SMPS parts ID]
>>> Dead possible storm. SMPS raw B+ OK, no FET switching, secondaries
>>> zero. In power supply primary,found a 1 meg 1/2 w resistor open: R506.
>>> Replaced it,now resistor has B+ on both sides but no help. Plugged
>>> it in,still dead.Closer smps tests found two glass diodes shorted:
>>> D531 zener and D510. Need values.
>>> Wishing for a pdf of the smps.
>>> Phil
>>>
>>> --
>
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