[TechAssist] Re: PANASONIC TV CT-27SX12F Vertical problem?

  • From: <support@xxxxxxxxxxxxxxxxxx>
  • To: <techassist@xxxxxxxxxxxxx>
  • Date: Sat, 20 Dec 2003 13:49:27 -0500

Mark,
From Tech Repair CD:
Pan\CT27G12\Cannot get full vertical height. Has an intermittent symptom of a 
thin horizontal line across
the top edge of picture.\\\AED280\Get into the tech menu by Selecting the CATV 
mode* then setting the
sleep timer to 30* then set TV channel to 124* then set volume on TV to 
minimum.\This will expose a red
chk in the screen. By hitting the power button the tech can select the 
parameter B7 and reset vertical
size parameter. Hit\Exit twice to exit the tech adjustment menu.\\\\\\

Panasonic\CT27G22V\Service menu\\\APEDP280\To adjust vertical size: 1. Select 
SET-UP icon and select CABLE
mode. 2. Select TIMER icon and set SLEEP timer for 30.\3. Press ACTION twice to 
exit menus. 4. Tune to
channel 124. 5. Adjust volume to 0. 6. On receiver press volume down. Red CHK 
appears in upper corner.\7.
Press ACTION and VOLUME down on the set to enter serviceman mode. 8. Press 
power on the remote to select
one of 5 adjustment modes.\Vertical size is B7\ range is 0 to 63\ default is 
20.\\\

Pan\CT27SF14\Insufficient vertical sweep\\\\Get into the tech menu by Selecting 
the CATV mode* then
setting the sleep timer to 30* then set TV channel to 124* then set volume on 
TV to minimum.\This will
expose a red chk in the screen. By hitting the power button the tech can select 
the parameter D0 and reset
vertical size parameter.\ Hit Exit twice to exit the tech adjustment menu.\\\\\\

Jeff Dougherty
Intrepid Video TV/VCR
263 S Front St
Steelton PA 17113
fax...717-564-4952
www.intrepid-video.com www.tech-repair.net

----- Original Message -----
From: "electronicrepair" <electronicrepair@xxxxxxxxxxxx>
To: <techassist@xxxxxxxxxxxxx>
Sent: Friday, December 19, 2003 3:42 PM
Subject: [TechAssist] PANASONIC TV CT-27SX12F Vertical problem?


This TV came in with the vertical shrunk top and bottom to about 6" pix.
Also on the screen, on the top left it displays CHK in red and some numbers
next to that..
I assume this is in some sort of factory menu. This set came from another
shop because they
didn't have a clue what was happening, which now it makes two of us.
I checked the caps on the vertical section they all seem OK.
One time that I turned on the whole picture came on, but it was very jittery
and after about 5 minutes
it turned off and the only way to turn it back on was to unplug the set and
plug it back in then turn it on.
Can someone shed some light on this dilemma, I would appreciate it very
much.
Thank you, Mark
Electronic Repair Services
48 W. James St.
Lancaster, PA 17603

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