[TechAssist] Re: RCA D52W20 chassis ITC222 shutdown fix
- From: "Intrepid Video Support" <support@xxxxxxxxxxxxxxxxxx>
- To: <techassist@xxxxxxxxxxxxx>
- Date: Fri, 2 Jul 2004 07:49:30 -0400
We were told, all the connectors on the small signal board.
I take my hot air desoldering gun and just heat the solder on all the pins
around the outside of the
board. The type of solder they use for these is a different alloy than the lead
solder most common.
Heating with an iron will not allow the solder to stay on the pad.
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: "al m" <ampm@xxxxxxx>
To: <techassist@xxxxxxxxxxxxx>
Sent: Thursday, July 01, 2004 9:57 PM
Subject: [TechAssist] Re: RCA D52W20 chassis ITC222 shutdown fix
I've seen this before. What connector pins are you talking about? And why
not use an iron?
Al Marquardt
ampm@xxxxxxx
Al Marquardt Electronic Repair
206 W Main
Girardville Pa. 17935
----- Original Message -----
From: "Intrepid Video Support" <support@xxxxxxxxxxxxxxxxxx>
To: <techassist@xxxxxxxxxxxxx>
Sent: Thursday, July 01, 2004 9:37 PM
Subject: [TechAssist] Re: RCA D52W20 chassis ITC222 shutdown fix
> Great,
> Thanks Robert...we need tips on these...especially when the deflection
board is not warranty
> replaceable...
> Also, for the three clicks, if the troubleshooting guide for this leads
you to the SSB, a simple reflowing
> of the solder on the connector pins may fix it.
> Use hot air or a torch...do not use an iron.
> Also, for width and pin problems, DL032, TL100 and DL100(I hope their
right).
>
> 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: "tvservice" <tvservice@xxxxxxxxxxxxx>
> To: <techassist@xxxxxxxxxxxxx>
> Sent: Thursday, July 01, 2004 6:36 PM
> Subject: [TechAssist] RCA D52W20 chassis ITC222 shutdown fix
>
>
> This is for info only, also posted to members area
> The hv would come up and then shutdown with 3 pulses.
>
> Monitoring EHT line from flyback at pin 10 of connector BL111 from
deflection board to small signal board
> measured only +15 volts
> before shutdown. This is normally around +26 volts. according to Tech-Line
> Found resistor RL044 on deflection board off pin 10 same connector had
increased in value to 650K ohm
> should be 221K ohm
> this resistor is located under heatsink for vertical IC
>
> To temporarily defeat shutdown (FOR TEST ONLY) short transistor TV852 B-E
on small signal board location
> H-7
>
> Robert
> tvservice@xxxxxxxxxxxxx
> H & H Electronics Inc
>
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