Toshiba 20A43 Manual de servicio - Página 15

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2-14: SUB TINT/SUB COLOR

Receive the color bar pattern.

Connect the oscilloscope to TP024.

Activate the adjustment mode display of Fig. 1-1 and

press the channel button (22) on the remote control to

select "TINT".

Press the VOL. UP/DOWN button on the remote control

until the section "A" becomes as straight line

(Refer to Fig. 2-2)

Connect the oscilloscope to TP022.

Activate the adjustment mode display of Fig. 1-1 and

press the channel button (19) on the remote control to

select "COL.CENT".

Adjust the VOLTS RANGE VARIABLE knob of the

oscilloscope until the range between white 100% and

0% is set to 4 scales

Press the VOL. UP/DOWN button on the remote control

until the red color level is adjusted to 110% of the white

level. (Refer to Fig. 2-3)

Receive the color bar pattern. (Audio Video Input)

10.

Press the TV/VIDEO button on the remote control to set

to the AV mode. Then perform the above adjustments

2~8.

"A"

Red 110%

White 100%

ELECTRICAL ADJUSTMENTS

"A"

Fig. 2-2

Fig. 2-3

2-18: Confirmation of Fixed Value (Step No.)

Please check if the fixed values of the each adjustment

items are set correctly referring below. (RF/AV/CS)

NO.

FUNCTION

H VCO

BRIGHT MAX

BRIGHT MIN

CONT CENT

CONT MIN

COLOR MAX

COLOR MIN

SHARPNESS

FM LEVEL

TEST MONO

TEST STERIO

D-3

STEP NO.

170