[TechAssist] Panasonic PV-D4742 combi DVD power supply dead
- From: "John at Main TV" <maintv2004@xxxxxxxxxxx>
- To: <techassist@xxxxxxxxxxxxx>
- Date: Fri, 20 Feb 2004 17:36:40 -0700
Hello. I am working on this VCR-DVD combi made in 2002. The VCR works but
the DVD is dead (it uses it's own PS). I do have the service manual. The
parts list calls for a C5HABZZ00101 regulator but it came with a STR-G6632.
I changed it but did not help. The voltages on the PS chip are;
1= +163v
2 and 3 = 0v
4= +12.8v
5= +0.6v
I am working on this with the DVD mech unplugged from the board, I assume
this is OK. I do not see any feedback from the DVD. The loads are not
shorted. There is no action from the DVD PS at all. I have checked all the
components in the primary circuit and find nothing bad. Are there any
common problems with these? Does anyone have a suggestion before I throw
this in the trash? John.
John Mielke
Main TV
636 main St.
Longmont, Co
phone 303 776 6955
fax 303 776 0792
maintv2004@xxxxxxxxxxx
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