[TechAssist] Re: RCA F35731MB CTC169JS6 - Shuts off when signalsource is connected.
- From: "tvservice" <tvservice@xxxxxxxxxxxxx>
- To: <techassist@xxxxxxxxxxxxx>
- Date: Tue, 31 May 2005 17:28:50 -0500
Q2906 labeled Q906 on board sub with nte159 ok
Robert
tvservice@xxxxxxxxxxxxx
H & H Electronics Inc
----- Original Message -----
From: "LeRoy Westlund" <llw@xxxxxxxxxx>
To: <techassist@xxxxxxxxxxxxx>
Sent: Monday, May 30, 2005 8:11 PM
Subject: [TechAssist] Re: RCA F35731MB CTC169JS6 - Shuts off when
signalsource is connected.
> I checked Q2905. It tested good.
>
> LLW
>
> LeRoy Westlund
> Westlund TV & Electronics
> 97 North Main " I forgot,..to remember,..
> Centerfield, UT 84622-0087 to forget "
> Ph./Fax 435-528-3822
> mailto:LLW@xxxxxxxxxx
>
> -----Original Message-----
> From: Tel-Tek <teltek3@xxxxxxxxxxxx>
> To: techassist@xxxxxxxxxxxxx <techassist@xxxxxxxxxxxxx>
> Date: Monday, May 30, 2005 6:57 PM
> Subject: [TechAssist] Re: RCA F35731MB CTC169JS6 - Shuts off when
> signalsource is connected.
>
>
> >LeRoy.
> >Video Buffer may be at fault. Not sure Q905 or Q906.
> >Let you know in the morning.
> >Front center of chassis.
> >
> >-Ed-
> >--
> >Tel-Tek Electronics
> >Ontario-Canada
> >
> >teltek3@xxxxxxxxxxxx
> >teltek@xxxxxxxxx
> >
> >
> >> From: LeRoy Westlund <llw@xxxxxxxxxx>
> >> Reply-To: <techassist@xxxxxxxxxxxxx>
> >> Date: Mon, 30 May 2005 18:40:16 -0600
> >> To: TechAssist <techassist@xxxxxxxxxxxxx>
> >> Subject: [TechAssist] RCA F35731MB CTC169JS6 - Shuts off when signal
> source
> >> is connected.
> >>
> >> Hi members,
> >> This set will run all day with raster only. As soon as I hook up a
signal
> >> source (Antenna, or external input), it will shut off after about 10
> >> seconds. Picture is beautiful, and all voltages from the power supply
> read
> >> normal, for that length of time.
> >> When it shuts off, I have to unplug the power for at least 5 minutes,
> before
> >> my standby voltages will return.
> >>
> >> Parts replaced so far, with OEM part numbers :
> >> Regulater chopper output. (200165)
> >> Regulator IC (200419)
> >> Regulator caps. (2.2 @ 100 195691),(15 @ 63 214756),(470 @ 35
190496),(39
> @
> >> 100)
> >> Horz cap (.48 @ 250 197518), CR4118 (164589), C4703 (47 @ 250).
> >> B+ cap (470 @ 180 200147).
> >> Tested luminance buffer Q2906= OK.
> >>
> >> Voltage readings:
> >> B+ = standby = 143.2 (Run = 138.2)(adjusted B+ standby for 140, no
help).
> >> CR4118 = standby = 13.4 ( Run = 12.1)
> >> Voltage Q4101-Base = standby = -.19 ( Run = -1.4)
> >>
> >> If I pull the CRT socket, set will run OK, and not shut-off.
> >> Works the same on my 27" test jig in the shop, as it does hooked up in
> the
> >> home, to the original Yoke / CRT load combination.
> >>
> >> Would it be wise to replace the IFT at this stage of the game ?
Customer
> >> does not want to spend more then $200 for this repair. I may need to
> refund
> >> about $100-165, that I already collected. It worked for about 1/2 hour
> when
> >> I first took it back, but, it went out again after customer already
paid
> me.
> >>
> >> Anymore help on this would be appreciated.
> >> LLW
> >>
> >> LeRoy Westlund
> >> Westlund TV & Electronics
> >> 97 North Main " I forgot,..to remember,..
> >> Centerfield, UT 84622-0087 to forget "
> >> Ph./Fax 435-528-3822
> >> mailto:LLW@xxxxxxxxxx
> >>
> >>
>
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