[TechAssist] Re: Philips 32PT663R37 chassis LO1.1UAC strange shutdown.
- From: "Don Hartigan" <hartstv@xxxxxxxxxxx>
- To: <techassist@xxxxxxxxxxxxx>
- Date: Thu, 2 Dec 2004 16:12:35 -0400
Ken;me thinks you got it backwards;Don't think I've ever seen a 47volt
cap.............
Don of HARTS-TVCR"ASC"
9 Robert St.,Oromocto,NB,Canada,E2V3N2
Tel#506-357-9785,Fax#506-357-6010
hartstv@xxxxxxxxxxx
----- Original Message -----
From: <gulftech@xxxxxxxx>
To: <techassist@xxxxxxxxxxxxx>
Sent: Thursday, December 02, 2004 10:41 AM
Subject: [TechAssist] Re: Philips 32PT663R37 chassis LO1.1UAC strange
shutdown.
> Phil,
>
> What is a 35V47? I could assume that is a 35ufd, 47V cap, but would like
> to be sure. If that is right, what is the value of the original, if
> different?
>
> Thanks,
>
>
> Ken Smith
> Gulf Technical Services
> 3034 Gulf Breeze Parkway
> Gulf Breeze, FL 32563
> 850-934-8324 (Voice), 850-932-0819 (fax)
>
>
>
> On Thu, 2 Dec 2004 07:28:57 EST Philstv@xxxxxxx writes:
>> I always replace capacitor 2455 with a 35V47. These cause all kinds
>> of shut
>> down and start up problems.
>> Phil Solarz
>> RAC - National Product Service
>> Phil's Electronics
>> C.E.T. GNN3799 - FMIC
>> 734-718-0301
>>
>> In a message dated 12/1/2004 11:35:36 PM Eastern Standard Time,
>> support@xxxxxxxxxxxxxxxxxx writes:
>> John,
>> I don't know if this will help:
>> Philips\27PT543S37A L01\FOR IMPROVED RELIABILITY When servicing
>> the L01.1U
>> AC chassis that uses 25 inch
>> and 27 inch standard curved face CRT's\always examine capacitor 2462
>> located
>> near the Base lead of the
>> Horizontal Output transistor 7460\\L01\If 2462 is a small blue or
>> orange part
>> replace it with 2022 333
>> 00084. Use no other part here\\\\\\\\
>>
>> This from Force:
>> Symptom:
>> At turn on the raster appears and rapidly changes colors. Then
>> shutdown
>> (protection) happens. If placed
>> into Factory Mode using the 4835 310 57511 FMR remote the flashing
>> will
>> continue. Sg2 voltage is stable
>> and clean of disturbance.
>>
>> Cause:
>> Open resistor 3451 and shorted diode 6447. 3451 is a stand up
>> resistor and
>> may be measured in-circuit.
>> Normal value is between 2 and 10 ohms (varies with model-see Force).
>> Parts are on top of board at Section 6B.
>>
>>
>> Resolution:
>> Replace 3451 and 6447. NOTE: 3451 is a critical Safety part and
>> must be
>> replaced by the exact
>> part/value.
>>
>> Symptom:
>> Interference in picture.
>>
>> Cause:
>> Yoke leads near CRT Dag ground wire
>>
>> Resolution:
>> Bundle yoke leads away from CRT Dag ground wire and from tuner area.
>>
>> CAUTION Do NOT bundle Vertical and Horizontal yoke leads together.
>> Make 2
>> separate bundles.
>>
>>
>> Jeff
>> --
>> Intrepid Video TV/VCR Repair
>> 263 S Front St, Steelton PA 17113
>> 717-939-7708; (F) 717-564-4952
>> www.intrepid-video.com www.tech-repair.net
>> ----- Original Message -----
>> From: "John at Main TV" <maintv2004@xxxxxxxxxxx>
>> To: <techassist@xxxxxxxxxxxxx>
>> Sent: Wednesday, December 01, 2004 1:52 PM
>> Subject: [TechAssist] Philips 32PT663R37 chassis LO1.1UAC strange
>> shutdown.
>>
>>
>> I have this 32" set made in 2003. The picture comes on with strange
>> colors,
>> alternating predominately red, green or blue. The focus seems to
>> shift and
>> there is noise in the picture, like hundreds of tadpoles swimming to
>> the
>> left. It always comes on with a menu labeled "active control". It
>> will
>> then shut down in 15 seconds and require 2 power button pushes to
>> turn on
>> again. Interesting, if I continue to change channels, it will not
>> shut down
>> but the picture never gets better. All the PS sources and
>> scan-derived
>> sources check OK. The picture tube does not seem to be shorted. I
>> think it
>> may be the IHVT but I am looking for another opinion before I order
>> it. I do
>> have the service manual. TIA, John.
>> John Mielke
>> Main TV
>> 636 main St.
>> Longmont, Co
>> phone 303 776 6955
>> fax 303 776 0792
>> maintv2004@xxxxxxxxxxx
>>
>>
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