[TechAssist] Re: MITSUBISHI PROJ TV - MDL: VS-45603 DEAD
- From: <fremur01@xxxxxxxxx>
- To: <techassist@xxxxxxxxxxxxx>
- Date: Wed, 17 Sep 2003 21:44:54 -0400
There is one diode on the power module that did
raise an eyebrow. I shall check my notes, and inspect
the module again tomorrow.
As I mentioned earlier the FBT ring test passed, HOT is good.
Will update you later.
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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