[TechAssist] Re: RCA Colortrak projo model PPR475T (chassis?)sound, no pix
- From: Phil Bader <tjanphyl@xxxxxxxxxxxxxxx>
- To: techassist@xxxxxxxxxxxxx
- Date: Wed, 07 Apr 2004 13:14:31 -0400
Correct.
F701 is OK. Will await your scan. Thx,
Phil Bader
al m wrote:
>Phil there is a fuse F701 going to Pin 9.you are checking the high voltage
>drive circuit. Will send scan
>Al Marquardt
>ampm@xxxxxxx
>Al Marquardt Electronic Repair
>206 W Main
>Girardville Pa. 17935
>----- Original Message -----
>From: "Phil Bader" <tjanphyl@xxxxxxxxxxxxxxx>
>To: <techassist@xxxxxxxxxxxxx>
>Sent: Wednesday, April 07, 2004 12:47 PM
>Subject: [TechAssist] Re: RCA Colortrak projo model PPR475T (chassis?)
>sound, no pix
>
>
>
>
>>I can power it on with sound, recieves cable, stereo led indicates
>>stereo signal. No HV.
>>A few checks:
>>H. driver transistor Q703 has +124 VDC collector.
>>HOT (?) Q704 no B+ at collector. Is NOT shorted, has diode action with
>>meter.
>> Large cap C904 has +122VDC.
>> Flyback pin 9 "B+" has no voltage on it.
>>Connector GB pin 3 has zero volts. (seems to be a B+ piont)
>>BTW this seems the same as the PPP400 and PPR500 models. All Hitachi
>>VP6X chassis.
>>Any notes ?
>>Thanks,
>>All for now.
>>Phil Bader
>>
>>al m wrote:
>>
>>
>>
>>>Phil I've got a VP6X manual on paper. What do you need?
>>>Al Marquardt
>>>ampm@xxxxxxx
>>>Al Marquardt Electronic Repair
>>>206 W Main
>>>Girardville Pa. 17935
>>>----- Original Message -----
>>>From: "Phil Bader" <tjanphyl@xxxxxxxxxxxxxxx>
>>>To: <techassist@xxxxxxxxxxxxx>
>>>Sent: Wednesday, April 07, 2004 12:17 PM
>>>Subject: [TechAssist] Re: RCA Colortrak projo model PPR475T (chassis?)
>>>sound, no pix
>>>
>>>
>>>
>>>
>>>
>>>
>>>>Internally, it has a ID tag:
>>>>Hitachi VP6X chassis.
>>>>Phil Bader
>>>>
>>>>Phil Bader wrote:
>>>>
>>>>
>>>>
>>>>
>>>>
>>>>>This has got to be 15+ yrs old.Wood cabinet. "ColorTrak".
>>>>>Any one old enough to have histories on this one?
>>>>>;-)
>>>>>Phil Bader
>>>>>
>>>>>
>>>>>
>>>>>
>>>>>
>>>>>
>>>>>
>>>>--
>>>>
>>>>Philip Bader
>>>>Jan Phyl TV Inc. (estab. 1976)
>>>>3420 Recker Hwy. Winter Haven, Fl. 33880
>>>>Fax (863) 299-8821
>>>>email: tjanphyl@xxxxxxxxxxxxxxx
>>>>
>>>>
>>>>
>>>>
>>>>
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>>--
>>
>>Philip Bader
>>Jan Phyl TV Inc. (estab. 1976)
>>3420 Recker Hwy. Winter Haven, Fl. 33880
>>Fax (863) 299-8821
>>email: tjanphyl@xxxxxxxxxxxxxxx
>>
>>
>>
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--
Philip Bader
Jan Phyl TV Inc. (estab. 1976)
3420 Recker Hwy. Winter Haven, Fl. 33880
Fax (863) 299-8821
email: tjanphyl@xxxxxxxxxxxxxxx
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