2-4. SCREEN (G2)
1.Input a dot pattern.
2.Set the PICTURE and BRIGHTNESS controls at minimum and COLOR control at normal.
3.Adjust SBRT, GCUT, BCUT in service mode with an oscilloscope as shown below so that voltages on the red, green, and blue cathodes are 172 ± 2VDC.
172 ±– 2VDC Pedestal
Ground
4.Observe the screen and adjust SCREEN (G2) VR in FBT to obtain the faintly visible background of dot signal.
SERVICE MODE PROCEDURE
1.Standby mode (power off).
2.Press Display 
Channel 5
Sound Volume +
Power on the Remote Commander (press each button within a second).
SERVICE ADJUSTMENT MODE ON
1. The CRT displays the time being adjusted.
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| service | defl | hsiz | 16 |
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Signal |
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| ntsc |
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Type |
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| vchp | 00000000 | 00000000 |
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2.Press 1 or 4 on the Remote Commander to select the time.
3.Press 3 or 6 on the Remote Commander to change the data.
4.Press MUTING then ENTER to save into the memory.
SERVICE ADJUSTMENT MODE MEMORY
Turn the set off then on to exit Service Adjustment Mode.
Display Item
Mode Category Item Data
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| service | defl hsiz 16 |
| MUTING | Green | ||
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Signal |
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| ntsc | write |
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Type |
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| vchp | 00000000 00000000 |
| ENTER | Red | ||
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2-6. WHITE BALANCE ADJUSTMENTS
1.Input an entire white signal with burst.
2.Set to Service Adjustment Mode.
3.Set the PICTURE and BRIGHTNESS to minimum.
4.Adjust with SBRT if necessary.
5.Select GCUT and BCUT with 1 and 4 .
6.Adjust with 3 and 6 for the best white balance.
7.Set the PICTURE and BRIGHTNESS to maximum.
8.Select GDRV and BDRV with 1 and 4 .
9.Adjust with 3 and 6 for the best white balance.
10.Press MUTING then ENTER to save into the memory.
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