[TechAssist] Re: Philips 32PT663R37 chassis LO1.1UAC strange shutdown.
- From: Gary McCartney <gary@xxxxxxxxxxx>
- To: techassist@xxxxxxxxxxxxx
- Date: Thu, 02 Dec 2004 12:42:02 -0500
Looks to me like he's trying to say 35V 47uF.
Gary McCartney
McCartney Electronics
Guelph Ontario Canada
Est. 1984
email: gary (at) number63.ca
gulftech@xxxxxxxx wrote:
> 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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