[TechAssist] Re: Philips 27PT6441/37 Pincushion Distortion
- From: GERALD GANN <alpha21century1234@xxxxxxxxxxxxx>
- To: techassist@xxxxxxxxxxxxx
- Date: Wed, 8 Feb 2006 12:48:20 -0800 (PST)
Manual Number: 7661
HOUR GLASS SHAPE RASTER
Symptom:
In rare instances the raster may be hour-glass shaped, the sides are curved
inward.
Cause:
No E-W correction due to open at coil 5405.
Resolution:
Repair (solder) copper at 5405 or replace coil 5405 if open.
Applies To:
25PT6341/85, 26PW6341/37, 27MS6341/37, 27PT6441/37, 27PT6442/37, 27ST6210/27,
28PW6341/85,
29PT6441/44, 29PT6441/85, 29PT6541/44, 29PT6541/85, 30PW6341/37, 32MS6341/37,
32PT5441/37,
32PT6441/37, 32PT6442/37, 32PW6341/85, 32ST6210/27, 33PT5441/85, L04.1U AA
From Force32
Jerry
Alpha 21 Electronics
1840 State St.
Granite City, IL 62040
618-452-8620
alpha21century1234@xxxxxxxxxxxxx
Eric Manuel <tvman@xxxxxxxxxxxxxxx> wrote:
Barry check this transister..Eric
Philips L04.1UAA Hour glass shaped pix Transistor BC847B
location 7484
Eric
E M Electronics
59 Wights Rd
Deer Lake NL
Canada
A8A 2J2
Ph# 709 635 2627
tvman@xxxxxxxxxxxxxxx
eric.manuel@xxxxxxxxx
Barry wrote:
> This L04.1UAA chassis has hour glass effect, I have tried screen settings. It
> appears to be a pincushion circuit failure. Has anyone seen this problem?
> Thank You,
> Barry MacInnes
> Television Service Clinic
> 2 Church St. W.
> W. Lebanon,NH 03784
> foxhole@xxxxxxxxx
>
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