[TechAssist] Re: Sony kv25xbr relay clicks no HV and no voltages from power supply.
- From: Randall Torda <lectrics284@xxxxxxxx>
- To: techassist@xxxxxxxxxxxxx
- Date: Mon, 28 Jun 2004 15:48:35 -1000
Peter
If I can recall from memory and this power supply enclosed in metal case,
check for a 220k resistor (or high value resistor) about the size of one
watt that may have open up.
I don't have that schematic at hand right now. I check later if you
did not resolve that problem.
Autolectrics
Randall Torda
284 Makua Street
Wailuku, HI 96793
Ph. 808-244-3064
On Mon, 28 Jun 2004 19:19:18 +0000 "Peter oliver"
<oliver_peter1@xxxxxxxxxxx> writes:
> One other fairly commom problem is a shorted split focus module of
> Hstat
> module (check under the anode cap for arcing between the inner feed
> pin of
> the dynamic focus pin to the anode connection. have seen several
> shorted
> that would load the HV section and cause odd problems.
>
> Peter Oliver
> Tucson Radio TV
>
>
> From: "Intrepid Video Support" <support@xxxxxxxxxxxxxxxxxx>
> Reply-To: techassist@xxxxxxxxxxxxx
> To: <techassist@xxxxxxxxxxxxx>
> Subject: [TechAssist] Re: Sony kv25xbr relay clicks no HV and no
> voltages
> from power supply.
> Date: Mon, 28 Jun 2004 07:56:18 -0400
>
> Ken,
> From Tech Repair CD:
> SONY\KV25XBR\DEAD SET H.O.TRANSISTOR Q1528 SHORTED.\\\\REPLACED
> SHORTED
> Q1528 & LEAKY Q1524 2SC3317 (PN:
> 998226901)\LOCATED ON *D* BOARD.\\\\\\\
>
> SONY\KV25XBR\DEAD SET Q1528 H.O.TRANSISTOR SHORTED.\\\\REPLACED
> C1664 .027UF
> X 3KV (PN: 113631711) IN THE
> H. OUTPUT\TANK CIRCUIT ON *D* BOARD OF Q1528.\\\\\\\
>
>
> 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: "alltv" <alltv@xxxxxxxxxxxxx>
> To: "Techassist@xxxxxxxxxxxxx" <techassist@xxxxxxxxxxxxx>
> Sent: Sunday, June 27, 2004 9:21 PM
> Subject: [TechAssist] Sony kv25xbr relay clicks no HV and no
> voltages from
> power supply.
>
>
> Hi Group,
> Symptoms: A/C relay clicks and 320 volts feeds to GA board but no
> output
> from GA and GB boards.
> All the components checks ok and Q652, Q651 voltages ok.
> Set originally had shorted horiz output.
> Any ideas or tips will be appreciated.
> TIA
>
> Ken Dinckan
> email to : alltv@xxxxxxxxxxxxx
> ********************************************
> All Tv&Appliance Service
> 2747 Roosevelt Street Suite B
> Carlsbad CA, 92008
> Phone : (760)434-1131
> ********************************************
>
>
>
>
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