[TechAssist] Re: Toshiba TP55E50 Tuner / Bus ACK Line Failures
- From: "tvservice" <tvservice@xxxxxxxxxxxxxxxxxxx>
- To: <techassist@xxxxxxxxxxxxx>
- Date: Tue, 12 Nov 2002 12:28:04 -0600
Not sure, I beleive A/V inputs would work OK and convergence OK
give it a try with tuner removed
Robert
tvservice@xxxxxxxxxxxxxxxxxxx
H & H Electronics Inc
----- Original Message -----
From: "Shoreline Electronics" <jstielau@xxxxxxxx>
To: "TechAssist" <techassist@xxxxxxxxxxxxx>
Sent: Tuesday, November 12, 2002 11:22 AM
Subject: [TechAssist] Toshiba TP55E50 Tuner / Bus ACK Line Failures
>
> Make : Toshiba
> Model : TP55E50
> Problem : No tuner reception & distorted convergence
>
> Scoping the SDA & SCL lines shows good clock on the SCL but the SDA is
noisy
> static.
>
> Since this is occurring I'm assuming the digital convergence will not
> function...resulting in poor convergence..no?
>
> In self check this set shows an failure on the BUS CONT : H001 NG
>
> H001 Is the tuner.
>
> We pull the tuner & find a spider/dead in side...must have shorted the
> circuitry......and await a new one....in the mean time , will this set run
> properly without the tuner ( less tuner functions) OR does it need to the
> tuner installed & functioning for all circuits on the I2C buss to function
> properly?
>
>
>
> Jeff Stielau
> Shoreline Electronics Repair
> 125 Beechtree Lane
> Westbrook,Connecticut 06498
> 860-399-1861 860-664-3535(FAX)
> jstielau@xxxxxxxx
>
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