[TechAssist] Re: Hitachi 50UX11K
- From: "Intrepid Video Support" <support@xxxxxxxxxxxxxxxxxx>
- To: <techassist@xxxxxxxxxxxxx>
- Date: Wed, 11 Aug 2004 18:29:19 -0400
Bill,
Did you download the schematic from Hitachi's site?
From Tech Repair CD:
HITACHI\50UX11K\NO HIGH VOLTAGE-DEAD-RUSHING SOUND ONLY\\\\COLD SOLDER
T701\\\\\\\\
HITACHI \50UX11K\No Picture. No Video On Video 1* 2* 3\\\Ap23\Defective
Ic-3001\\\\\\\\
HITACHI\50UX11K\NO RASTER-NO SOUND-HAS HIGH VOLTAGE\\\\SOLDER PIN 13 OF
IC601\\\\\\\\
Jeff
--
Intrepid Video TV/VCR Repair
263 S Front St, Steelton PA 17113
717-939-7708; (F) 717-564-4952
www.intrepid-video.com www.tech-repair.net
----- Original Message -----
From: "William Rayburn" <premtech@xxxxxxxxxxxxxx>
To: <techassist@xxxxxxxxxxxxx>
Sent: Wednesday, August 11, 2004 3:11 PM
Subject: [TechAssist] Hitachi 50UX11K
Have a big screen to do on a service-call that has no raster and from what was
described the audio is just
white noise and "wave sounding garbage".
According to the customer the CRT's do not light up and just before it went out
he heard a pop. Suspect
possibly IC601 in the vert or a cap supporting it, and possibly comb filter
just from some past
experience. But the audio has me puzzled. The distance won't make this one
easy and I would like to
eliminate going out over and over on this repair. Any thoughts and help would
be greatly appreciated.
Bill
William H. Rayburn, CET
NESDA Member
Premium Technologies
PO Box 442
Long Beach, Wa. 98631
(360) 642-4993
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