[TechAssist] Re: MITSUBISHI PROJ TV - MDL: VS-45603 -Need Parts Id
- From: "Shoreline Electronics" <jstielau@xxxxxxxx>
- To: <techassist@xxxxxxxxxxxxx>
- Date: Mon, 22 Sep 2003 10:13:10 -0400
IC451 is a LA7845 Mitsubishi part # 270P064O20
IC931 is a LM2576TV-12 Mitsubishi part # 270P651O10
==========================
Jeff Stielau
Shoreline Electronics Repair
344 East Main Street
Clinton,CT 06413
860-399-1861
860-664-3535 (fax)
jstielau@xxxxxxxx
==========================
"If you push something hard enough it will fall over."
Fudd's First Law of Opposition - Sir Sidney Fudd
----- Original Message -----
From: <fremur01@xxxxxxxxx>
To: <techassist@xxxxxxxxxxxxx>
Sent: Monday, September 22, 2003 9:56 AM
Subject: [TechAssist] Re: MITSUBISHI PROJ TV - MDL: VS-45603 -Need Parts Id
> Hello,
>
> still have the power up problem. However, I found the following
> chips 'blown', they appear to be in the Vert Deflection circuit
> but I cannot make out the numbers.
>
> Location(s)
> IC451
> IC931
>
> Can someone with service guide please id these two items?
> Thanks Much
>
> Fred
> MTS Electronics
> Fayetteville, NC
> fremur01@xxxxxxxxx
>
>
> -----Original Message-----
> From: techassist-bounce@xxxxxxxxxxxxx
> [mailto:techassist-bounce@xxxxxxxxxxxxx]On Behalf Of Leonard Caillouet
> Sent: Wednesday, September 17, 2003 7:37 PM
> To: techassist@xxxxxxxxxxxxx
> Subject: [TechAssist] Re: MITSUBISHI PROJ TV - MDL: VS-45603 DEAD
>
>
> From Mitsubishi.
>
> No Power:
> 1. CHECK IC700 PIN 4 (AC-OFF) FOR 0 VOLTS DC. IF HIGH, CHECK FOR LEAKY
D980
> PART # 264P045040 ON THE MAIN PCB.
>
>
> Shutdown at power on:
> 1. CHECK FOR 10 VDC AT PIN 5 OF IC502 OF LOW, CHECK IC503 PART #
270P704010
> ON THE MAIN PCB. 2. CHECK R529 .82 OHM 1/2 WATT OFF PIN 4 OF THE FLYBACK.
IF
> OPEN CHECK C411 2200 UFD @ 35V AND IC 451 PART # 270P064020. ON THE MAIN
> PCB.
>
> Leonard Caillouet
> Electronics World
> Gainesville, FL
>
> ----- Original Message -----
> From: <fremur01@xxxxxxxxx>
> To: <techassist@xxxxxxxxxxxxx>
> Sent: Wednesday, September 17, 2003 1:01 PM
> Subject: [TechAssist] MITSUBISHI PROJ TV - MDL: VS-45603 DEAD
>
>
> Hello,
>
> This one is from another shop, came in as Dead Set
> blowing main fuse. FC901, 5amp GMA. I traced that to bad
> regulator at IC951. After doing reg. replacement.
> Set Power LED blinks twice, you here relay click.
>
> It's not blowing fuse FC901 but I need to know the
> 2 blink code. Can ring the FBT no problems. Some
> type of shutdown error I guess.
>
> Anyway, I have no service literature, input from tech
> with access to manual would be appreciated.
>
> MITSUBISHI PROJ TV - MDL: VS-45603 DEAD
>
> Thanks,
>
> Fred
> MTS Electronics
> Fayetteville, NC
> fremur01@xxxxxxxxx
>
>
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