[TechAssist] Re: Hitachi 51F500B , DP23 chassis poor video after fluid leak fix
- From: "Damon" <DamonEB@xxxxxxxxxxx>
- To: <techassist@xxxxxxxxxxxxx>
- Date: Fri, 17 Jun 2005 18:53:52 -0500
Has he attempted to adjust the Crt bias and cutoffs yet? New board may have
a New EEprom that needs adjusted, if so, may need to do sub-bright to get DC
bias voltages up enough to drive CRTs, don't forget screens either.
If he has, then it's time to trace Luma path for bad/low signal.
Damon B
Telrad Electronics
Fort Wayne IN
----- Original Message -----
From: "Electric Medic" <info@xxxxxxxxxxxxxxxxx>
To: <techassist@xxxxxxxxxxxxx>
Sent: Friday, June 17, 2005 1:46 PM
Subject: [TechAssist] Re: Hitachi 51F500B , DP23 chassis poor video after
fluid leak fix
> Probably due to the fluid leak, may not be "known Issues" for this. Fluid
> could have gotten in other places if set was moved and tilted. I would
back
> away from a massive fluid leak, nothing but future problems if he gets it
> out of the shop. I am surprised the customer will pay what parts and labor
> are already. I hate fixing those fluid leaks, I hate more going behind
> others that tried. I get them in with plastic taped all up in the sets,
with
> fluid spilling out and causing more damage. I wonder what the estimate is?
>
> Perry Bower
> Electric Medic
> "It's Cheaper to Keep Her"
> http://www.electricmedic.com
> 3850 Washington Road Suite 4C
> Martinez, Georgia 30907
> Phone: 706-8MEDIC4 (863-3424)
> Phone: 706-863-3474
> Fax: 706-863-2316
> mailto:info@xxxxxxxxxxxxxxxxx
>
>
>
>
> -----Original Message-----
> From: techassist-bounce@xxxxxxxxxxxxx
> [mailto:techassist-bounce@xxxxxxxxxxxxx]On Behalf Of Phil Bader
> Sent: Friday, June 17, 2005 2:28 PM
> To: techassist@xxxxxxxxxxxxx
> Subject: [TechAssist] Hitachi 51F500B , DP23 chassis poor video after
> fluid leak fix
>
>
> Assisting another shop:
> This set had a bad fluid leak. Replaced one CRT,(red or blue)replaced
> the small signal board,(all wet) and all three CRT boards. Convergence
> seems OK.
> Video is very dim and washed out. Tech described it as "negative".
> Has color, can adjust the level with menu. says the greyscale seems not
> right.
> Having him test the S-video input now. Any known issues for this?
> OSD video seems OK.
> Phil Bader
>
> --
>
> Philip Bader
> Jan Phyl TV Inc. (estab. 1976)
> 3420 Recker Hwy. Winter Haven, Fl. 33880
> Fax (863) 299-8821
> email: tjanphyl@xxxxxxxxxxxxxxx
>
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