[TechAssist] Re: RCA model# 27R410T chassis ITC008 weak video
- From: Eric Manuel <tvman@xxxxxxxxxxxxxxx>
- To: techassist@xxxxxxxxxxxxx
- Date: Fri, 07 Oct 2005 15:55:39 -0230
Jason look at this tip..Eric
RCA 27R410/ ITC008 INT. PPOOR PICT, LOKS LIKE BAD CRT
+ LEAD
OF CBOO1 (TOO LONG) SHORTING TO 185 SUPPLY THRU TRACE
RCA ITC008 Very poor Video/Screen voltage low Replace CB001
part # 257795 CRT board
RCA ITC008 Video looks glassy like picture tube. Almost clears up
by turning down screen. IV001 has good signal on input but distorted
sync pulse on output pins.
Eric
E M Electronics
59 Wights Rd
Deer Lake NL
Canada
A8A 2J2
Ph# 709 635 2627
tvman@xxxxxxxxxxxxxxx
Moutons Electronics L.L.C. wrote:
> Hi everyone,
> This tv has weak video, very dark, on all inputs and tuner. The OSD if fine,
> nice and bright so I don't think I have a bad tube. This chassis has the
> micro/video all in one IC and will be on back order so I wanted some
> oppinions.
>
> I checked the RGB pins on the IC and have just over half the dc voltage I
> should have and when I check the wave form I have video but have a larger
> presentation when OSD is present. No big suprise since it looks better on
> screen.
>
> Since I will have to wait to get this ic I was wondering if I should check
> anything else. I tried the video inputs and they do the same thing and since
> it takes a completely different path than the tuner video the inputs to the
> IC should be good.
>
> Thanks
>
> Jason
> Moutons Electronics
>
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