[TechAssist] Re: Mitsubishi PTV VS45501A No video to blue CRT
- From: "LeRoy Westlund" <llw@xxxxxxxxxx>
- To: <techassist@xxxxxxxxxxxxx>
- Date: Sun, 12 Jan 2003 02:32:31 -0700
Yes, Yvon. I tried that, and the blue CRT is OK.
I think the jungle IC is bad,...but, just like to scope the RGB outputs,
before ordering a new one.
Thanks,
LLW
LeRoy Westlund
Westlund TV & Electronics " Walk tall,...Walk straight
93 North Main and look the world
Centerfield, UT 84622-0087 right in the eye "
Ph./Fax 435-528-3822
mailto:LLW@xxxxxxxxxx
-----Original Message-----
From: Yvon Roy <atlantek@xxxxxxxxxxx>
To: techassist@xxxxxxxxxxxxx <techassist@xxxxxxxxxxxxx>
Date: Saturday, January 11, 2003 1:20 PM
Subject: [TechAssist] Re: Mitsubishi PTV VS45501A No video to blue CRT
>
>Not familiar with this model but just a tought for checking if the CRT is
>good, try to connect the video of the green or red to the blue to see it
the
>blue will work ok. Or switch the crt board.
>
>Yvon Roy
>
>Atlantek TV Service
>1295 Miramichi Ave
>Bathurst, NB
>E2A 1Y1
>Tel: 506-545-7805
>Fax: 506-546-2171
>
>----- Original Message -----
>From: "LeRoy Westlund" <llw@xxxxxxxxxx>
>To: "TechAssist" <techassist@xxxxxxxxxxxxx>
>Sent: Saturday, January 11, 2003 3:37 PM
>Subject: [TechAssist] Mitsubishi PTV VS45501A No video to blue CRT
>
>
>>
>> Hi Members,
>> I am trying to trace the video back from the blue CRT board, to see where
>I
>> am losing it. I have good video driving the Red, and Green tubes.
>> I Have NO video on SG pin 1.
>> Also, no video on RM pin 3.
>> Also, nothing driving Q222.
>> From that point, I am lost with out a schematic.
>> I am asumming that the video driver IC is IC200, but, not sure.
>> If IC200 is correct, which pins are the RGB outputs, and what is the part
>> number for IC200 ? Also, is there anything in between IC200, and Q222,
>that
>> could block my video, that I need to check ?
>>
>> Thanks for any help,
>> LLW
>>
>> LeRoy Westlund
>> Westlund TV & Electronics " Walk tall,...Walk straight
>> 93 North Main and look the world
>> Centerfield, UT 84622-0087 right in the eye "
>> Ph./Fax 435-528-3822
>> mailto:LLW@xxxxxxxxxx
>>
>>
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