M203 Repair Tips


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Results 19
MakeModel Ch.SymptomProblem SolutionSolutionBy:
Teac CTM203 PC04A
No PowerCheck / Replace power switch, it read zero ohms at contacts - however carbon build-up stops p.s.u. from starting
SonyGDM2036S
SHUTDOWN DUE TO Q204/H. OUT FAILURE ON D3 PCB The monitor shut down due to Horiz. scan failure. The H.Out: Q204 and B+/H. Size Reg.: Q217 failed. B+ Filter C405 had lowcapacitance.
SonyGDM2038
INTERMITTENT LOSS OF SYNC Intermittent vertical sync and hor sync when first turned on.Symptom only showed up on VGA graphics mode. Found IC101 to betemperature sensitive using freeze spray and pyco pen.
SonyGDM2038
SHUT DOWN DUE TO Q401 COLD SOLDER Unit comes on with bright raster and shut down.
SonyGDM2038
UNUSUAL PIN TYPE OF DISTORTED PICTURE Horizontal pin type of indentation on both left and rightsides of screen at about vertical center. Not your typical pin type ofdistortion. Only the center 1/3 of the screen was affected.
SonyGDM2038
PICTURE IS UNSTABLE WHEN CHANGING FROM TEXT TO GRAPHICS MODE
SonyGDM2036S
PICTURE IS UNSTABLE WHEN CHANGING FROM TEXT TO GRAPHICS MODE
SonyGDM2036S
NO HIGH VOLTAGE, AND NO HSYNC DUE TO IC101 (H OSC) All Power Supply Voltages are OK but, No Horizontal drivesignal from IC101.
SonyGDM2038
RECOMMENDED SCREEN CLEANER
SonyGDM2036S
RECOMMENDED SCREEN CLEANER
SonyGDM2038
DIFFICULTY ADJUSTING THE WHITE BALANCE
SonyGDM2036S
RECOMMENDED SCREEN CLEANER/USE (3-731-449-01) DRY SOFT CLOTH This monitor has an anti-glare coating on the CRT. What typeof cleaner is recommended? -HQ COMMENTS: All GDM Monitors unlike CPD Monitors have a coating on thescreen surface. We recommend a dry soft cloth (P/N:3-731-449-01) to cleanthe screen surface.
SonyGDM2038
RECOMMENDED SCREEN CLEANER/USE (3-731-449-01) DRY SOFT CLOTH This monitor has an anti-glare coating on the CRT. What typeof cleaner is recommended? -HQ COMMENTS: All GDM Monitors unlike CPD Monitors have a coating on thescreen surface. We recommend a dry soft cloth (P/N:3-731-449-01) to cleanthe screen surface.
SonyGDM2036S
PICTURE STRETCHES VERTICALLY DUE TO IC-201 After warm up, the picture will start to stretch vertically atthe bottom. Customers says it would take anywhere from 1/2 to 2 hours.By heating and cooling IC-201 I was able to produce the problem.
SonyGDM2036S
NO OPERATION, SCREACHING SOUND FROM THE POWER SUPPLY.
SonyGDM2036S
NO VERTICAL DEFLECTION Unit has no vertical deflection. Checked and found openvertical Yoke. Tried to locate the open, and found C01 on the Yoke ass'yopen. The coil is made up of large wire, so it cannot be defective.
SonyPVM2030
PART NUMBER FOR THE CHASSIS BRACKETS The part number for the Chassis Bracket is not shown in theservice manual. -HQ COMMENTS: The part number for the chassis bracket is 4-382-023-01.Also see Service Bulletin No. C/P0013.
SonyPVM2030
SCREEN NOT COMPLETELY BLANKED With brightness and picture control turned down and in a darkroom, there is a visible illumination on a part of the tube. This is withno connections to video in. Connecting a generator to the video in andstarting with minimum signal, you can see the pr
SonyM203
DEFECTIVE C122 Newly made recording had low playback volume. LED indicatedexcellent sensitivity during recording but playback was low. Previouslyrecorded tapes were OK.