[TechAssist] Re: MITSUBISHI MDL: CS-2667R CHASSIS: DEAD SET
- From: "Intrepid Video Support" <support@xxxxxxxxxxxxxxxxxx>
- To: <techassist@xxxxxxxxxxxxx>
- Date: Mon, 27 Oct 2003 18:29:22 -0500
Fred,
All I have on Tech Repair CD:
MGA\CS2667\DEAD SET\\\\CHECK FOR SHORTED SWITCH ON KEYBOARD CHECK IC701 PIN 42
FOR\+5V CHECK CLOCK AT TP
OB & VERIFY IT IS RUNNING AT 4.0mhz\CHECK FOR KEYBOARD SCANNING ON PINS 18 - 20
& 23-26 IF NOT\SCANNING
REPLACE IC701 IF NOISE PRESENT IN SCAN LINES\REPLACE C772\\\\
Jeff Dougherty
Intrepid Video TV/VCR
263 S Front St
Steelton PA 17113
fax...717-564-4952
www.intrepid-video.com www.tech-repair.net
----- Original Message -----
From: <fremur01@xxxxxxxxx>
To: <techassist@xxxxxxxxxxxxx>
Sent: Monday, October 27, 2003 11:30 AM
Subject: [TechAssist] MITSUBISHI MDL: CS-2667R CHASSIS: DEAD SET
Hello,
This unit will not power up, can hear slight hum from
the large transformer. All fuses are good. The
H.O.T, (tophat design) Q591 is good as well. I'll
probably need a schematic to zero in on the problem.
Any input from tech with access to manual and case history
info would be appreciated.
MITSUBISHI MDL: CS-2667R CHASSIS: DEAD SET
Thanks,
Fred
MTS Electronics
Fayetteville, NC
fremur01@xxxxxxxxx
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