[TechAssist] Re: 3rd try - Panasonic CT27G12V chassis AEDP280 [shuts downafter about 5 minutes]
- From: "D PANDAY" <dpanday@xxxxxxxxxxx>
- To: techassist@xxxxxxxxxxxxx
- Date: Wed, 09 Oct 2002 13:18:41 -0400
LeRoy,
Try the below tip I found from Panasonic.
It can be bright scenes that can create your problem.
Try increasing the brightness on a colour bar signal and look at the ABL
line.
Description:
SET SHUTS DOWN ON BRIGHT SCENES
Repair Code: PART
Repair Description:
CHECK R808, R809, Q804
The following items were used on the repair: Part # Ref #
2SA1767Q Q804
ERDS1FJ1R0 R808
ERDS1FJ1R0 R809
Hope it helps'.
Panday
>From: "LeRoy Westlund" <llw@xxxxxxxxxx>
>Reply-To: techassist@xxxxxxxxxxxxx
>To: <techassist@xxxxxxxxxxxxx>
>Subject: [TechAssist] Re: 3rd try - Panasonic CT27G12V chassis AEDP280
>[shuts down after about 5 minutes]
>Date: Wed, 9 Oct 2002 10:29:42 -0600
>
>
>Gary,
>Thanks for such a swift response.
>I have tried most of these things.
>I think I will try a new HOT Q551 (BU06DF),....although if it is bad, it
>would have to be an intermittant, open condition, cause the set seems to
>work perfect, for about 5 minutes. Then it just shuts down,....it don't
>blow
>any fuses, or short out any parts. I have also replaced the Reg IC with an
>OEM part.(even has the "A" at the end of it STR58041A ).
>
>LLW
>
>LeRoy Westlund
>Westlund TV & Electronics " It's such a pretty world
>93 North Main today !....
>Centerfield, UT 84622-0087 Look at the Sunshine. "
>Ph./Fax 435-528-3822 :-)
>mailto:LLW@xxxxxxxxxx
>
>-----Original Message-----
>From: Gary McCartney <number63@xxxxxxxxxxxxx>
>To: techassist@xxxxxxxxxxxxx <techassist@xxxxxxxxxxxxx>
>Date: Wednesday, October 09, 2002 10:07 AM
>Subject: [TechAssist] Re: 3rd try - Panasonic CT27G12V chassis AEDP280
>[shuts down after about 5 minutes]
>
>
> >
> >LeRoy, I found these 2 tips for your model:
> >
> >PANASONIC CT27G12V Dead after storm
> >
> >- D825 is a TVSSR2KLV1, CRA801 is a EXNG471P365 Q551, IC803, R801,
> >R829 (180 ohm 1/4 W fusible), D824 (EU02V1), R826, D825
> >
> >
> >PANASONIC CT27G12V DEAD
> >
> >REPLACE Q551 (BU06DF), D825 (TVSSR2KL), C820 63V10 105C
> >
> >
> >
> >Gary McCartney
> >
> >McCartney Electronics
> >7134 Fife Rd, RR 7
> >Guelph Ontario Canada N1H 6J4
> >Fax: (519)821-1530
> >email: number63 (at) inetsonic.com
> >
> >
> >
> >
> >LeRoy Westlund wrote:
> >>
> >> Hi again,
> >> I'm about ready to take a 3rd look at this TV.
> >> I need to know what the "exact" B+ voltage is supposed to be.
> >> I am thinking that 136 volts is about 6 volts too high. Tried
>everything
>I
> >> can think of to get it lowered.
> >>
> >> Patience and time, will win !
> >> LLW
> >> ***************
> >> Hi Members,
> >> This Panasonic TV shuts down after 5-10 minutes. Has a good picture.
>H.O.T
> >> runs cool, Vertical runs hot, but holds up OK.
> >> The B+ measures 136 volts. It seems too high. The voltages on the Reg.
>IC
> >> (STR58041) reads from hot ground:
> >> Pin # 1 = 97.2
> >> 2 =136.6
> >> 3 =? (can't read)
> >> 4 =138
> >> 5 =142
> >>
> >> Working without a manual (As usual). Uses Sams # 3891 (which I don't
>have).
> >> I have checked Q801, D825, D823, R829, and replaced C820 (10 @ 100).
> >> Soldered the hell out of everything in the Reg. ckts. Replaced the
>Relay.
>No
> >> help !
> >>
> >> Any help appreciated,
> >> LLW
> >>
> >> LeRoy Westlund
> >> Westlund TV & Electronics " It's such a pretty world
> >> 93 North Main today !....
> >> Centerfield, UT 84622-0087 Look at the Sunshine. "
> >> Ph./Fax 435-528-3822 :-)
> >> mailto:LLW@xxxxxxxxxx
> >>
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> >
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> >
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Panday
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