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5.3 HIGH VOLTAGE

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Item/Preparation

Adjustment Procedure

Operate the TV set.

Receive the crosshatch pattern.

Set to 0 Beam

(Screen Control : min. CONTRAST : min)

Connect a DC voltage meter to D850 cathode and confirm the voltage is 141.0 ± 2.0V.

Connect a high voltage meter (Electrostatic Type) to an anode of the picture tube.

Confirm that the high voltage is within the range of 31.0 ± 1.0V.

9. 6. 2004

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Содержание TX-29PS62Z

Страница 3: ... NEXT Item Preparation Adjustment Procedure 1 Operate the TV set 2 Set controls MARKET MODE CHK 2 Bright Minimum Contrast Minimum Volume Minimum 1 Confirm that the indicated test points for the specified voltage TPA 10 141 1 50V TPA 8 8 1 0V TPA 9 5 1 0V TPA 21 215 15V ...

Страница 4: ...eceive a colour bar pattern 2 Set the input level to 69 1 2 db 75Ω opened 3 Set RF AGC in CHK 2 1 Set RF AGC Control such as to procedure a snowy picture 2 Set RF AGC Control at the point just before the voltage at AGC TPA 15 begins to drop 3 Increase the input level by 2 db and confirm that the voltage changes ...

Страница 5: ...e the TV set 2 Receive the crosshatch pattern 3 Set to 0 Beam Screen Control min CONTRAST min 1 Connect a DC voltage meter to D850 cathode and confirm the voltage is 141 0 2 0V 2 Connect a high voltage meter Electrostatic Type to an anode of the picture tube 3 Confirm that the high voltage is within the range of 31 0 1 0V ...

Страница 6: ...w pattern 2 Connect oscilloscope to A21 pin 6 3 Set controls BRT CENTER COLOUR CENTER CONTRAST MAX NTSC TINT CENTER AI OFF 1 Adjust Sub NTSC Tint so that the peak of level of waveform is similar to Fig 3 2 Receive the Rainbow pattern 3 58 MHz NTSC on both of Main and Sub pictures 3 Adjust Sub NTSC Tint 2 so that the peak of level of 1 3 0 5V ...

Страница 7: ...ion Adjustment Procedure 1 Receive a colour bar pattern 2 Connect an oscilloscope to TPA37 or TPL2 G OUT 3 Connect a short jumper to FBT pin3 or TPA 34 and TPA 5 4 Set controls Picture menu Dynamic Normal AI off 1 Adjust Bright Colour Y 1 0 0 4Vp p 2 Adjust Sub Contrast Colour b 2 7 0 1Vp p ...

Страница 8: ...ceive PAL colour bar pattern 2 Connect an oscilloscope probe to TPL2 G OUT 3 Connect a short jumper to FBT pin 3 or TPA34 and TPA5 4 Set control Picture menu DYNAMIC NORMAL AI off 1 Adjust Bright Control a 2 3 0 5Vp p 2 Adjust Sub Colour control 3 Connect the oscilloscope probe to TPA40 4 Connect the waveform b 2 4 0 5Vp p ...