Toshiba 50A60 Height, Hit, Width, Vertical Linearity, Vlin, White Balance, Rcut, Gcut, Bcut, Rdrv

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SPECIFIC INFORMATIONS GENERAL ADJUSTMENTS

ITEM

 

ADJUSTMENT PROCEDURE

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

HEIGHT

1.

Call up the adjustment mode display, then select the item HIT.

(HIT)

2.

Press the VOLUME s or t button to get the picture so the top of raster begins

 

 

to lack.

 

3. Press the VOLUME s button to advance the data by 10 steps.

 

Note : Check the vertical picture position is correct.

 

 

 

WIDTH

1.

Call up the adjustment mode display, then select the item WID.

(WID)

2.

Press the VOLUME s or t button to get the picture so the left and right edges

 

 

of raster begins to lack.

 

3. Press the VOLUME s or t button to advance the data by 10 steps.

 

 

Note : Check the horizontal picture position is correct.

 

 

 

VERTICAL LINEARITY

1.

Call up the adjustment mode display, then select the item VLIN.

(VLIN)

2.

Receive cross-hatch pattern signal.

 

3. Press the VOLUME s or t

 

 

button to obtain the picture of

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

the best linearity.

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

4. Then readjust the item HIT.

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

Center

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

WHITE BALANCE

1.

Press RESET button on TV or remote hand set.

(RCUT)

2.

Call up the adjustment mode display, then adjust the data of items RCUT, GCUT

(GCUT)

 

and BCUT to “40”.

(BCUT)

3.

Press TV (ANT)/VIDEO button on TV.

(RDRV)

4.

Gradually rotate R, G and B SCREEN volume of FOCUS PAC (page 7) clock-

(BDRV)

 

wise or counterclockwise until the raster appears slightly on the CRT through

 

 

the each lens, and leave them.

 

 

(Look into the lens in order to check the raster.)

 

5.

Press TV (ANT)/VIDEO button on TV again.

 

6.

Exit from service mode.

 

7.

Receive white laster pattern signal, and adjust the contrast to the minimum to

 

 

make white picture to low light.

 

8.

Adjust the data of items RCUT, GCUT and BCUT for low light area.

 

9.

Adjust the contrast to the maximum to make white picture to high light.

 

10.

Adjust the data of items GDRV and BDRV Controls for proper white-balanced

 

 

picture in high light area.

 

11.

Check the white balance in both low and high light areas. If necessary, perform

 

 

again steps from 7 to 9.

 

* The data of item GDRV changes red drive actually.

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Image 12
Contents 50A60, 50A50 Table of Contents General Adjustments Safety Instructions RAY Radiation PrecautionSafety Precaution Product Safety NoticeCRT Assembly Replacement and Mounting Leakage will OccurServicing Precautions Adjusting Procedure in Replacing CRTPicture Tube Components Adjustment B Focus AdjustmentTilt Adjustment Centering AdjustmentLocation of Screen and Focus VR’S Screen VR Focus VRReplacement of the CRT Replacement of High Voltage CableService Mode Entering to Service ModeDisplaying the Adjustment Menu KEY Function in the Service ModeSelecting the Adjusting Items Adjusting the DataExit from Service Mode Self Diagnostic FunctionElectrical Adjustment Adjustment ProcedureHeight HITWidth WIDConvergence Adjustment KEY Function Convergence AdjustmentCentering Adjustment Picture Position AdjustmentCRT Replacement Replacing Convergence UnitHOW to Clean Lens and Mirror HOW to Clean ScreenScreen and Mirror Alignments Assembling Front ScreenCircuit Checks High Voltage CheckAnode Voltage Measuring Method FS Circuit CheckSpecific Informations Setting & Adjusting Data Safety InstructionsService Mode Adjusting Items and Data in the Service Mode Circuit ChecksPower Volume T S Exit Demo Menu TV/VIDEOReset Recall Power Timer TV/VIDEOLight MuteProgramming Channel Memory TV/CABLE functionCircuit Block Diagram Mechanical Disassembly Chassis Replacement Parts List CapacitorsOMF Specific Informations General Adjustments Specific Informations General Adjustments Specific Informations General Adjustments Resistors Specific Informations General Adjustments Specific Informations General Adjustments Specific Informations General Adjustments Specific Informations General Adjustments Specific Informations General Adjustments Coils & Transformers Semiconductors TFB3086ADIC, MC14053BFEL Miscellaneous PC Board Assemblies Picture TubeTuner Accessories Cabinet PartsSIGNAL/CON Board PB9450 Bottom Foil SideDEF/POWER Board PB9451 BACK/AV Board PB9452 DIGI-CONV Board PB9453 DIGI-COMB Board PB9398Drive Board PB9454-1 Drive Board PB9454-3Drive Board PB9454-2 FRONT-CONV Board PB9454-5 FRONT-IN Board PB9454-9REM Board PB9454-10 SVM Board PB9454-6 FRONT-CON Board PB9454-8 Terminal View of Transistors Memo Specifications Representative 50A60 Toshiba Corporation