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2.3. Adjustment for White Balance

Preparation:
 1. Receive the white balance pattern and aging should have been performed over 30 minutes.
 2. Set the picture menu to DYNAMIC NORMAL.
 3. Degausse the CRT face.
 4. Fix the CRT colour analyzer receiver unit to CRT face.

Adjustment of Low Light.

 1. Adjustment Sub Bright, so that Y = 6.3 ± 1.0 nit.
 2. Adjustment R-CUT OFF, so that X = 0.235 ± 0.010 nit.
 3. Adjustment G-CUT OFF, so that Y = 0.235 ± 0.010 nit.

Adjustment of High Light

 1. Adjustment Sub Bright, so that Y = 270 nit.
 2. Adjustment R-Drive, so that X = 0.265 ± 0.010 nit.
 3. Adjustment B-Drive, so that Y = 0.265 ± 0.010 nit.

2.4. Adjustment for CRT CUT OFF

Preparation:
 1. Connect the oscilloscope probe to TPL5.
 2. Screen VR min.
 3. Set the data Sub Bright, Bright.
 4. In service Mode at “Bright” dac press [5] in factory mode to enter vertical line and adjust by volume down or up button.
 5. Adjust “Screen VR” until 1-H Line appears.

6

TC-21FG20M-MALAYSIA

Содержание TC-21FG20M-MALAYSIA

Страница 1: ...Electric Industrial Co Ltd All rights reserved Unauthorized copying and distribution is a violation of law TC 21FG20M MALAYSIA GP31 Chassis Colour 33 57 MHz PAL 33 6 MHz SECAM 33 75 MHz SECAM 34 42 M...

Страница 2: ...2 1 Service Position for E Board 5 2 2 Factory Mode Adjustment 5 2 3 Adjustment for White Balance 6 2 4 Adjustment for CRT CUT OFF 6 2 5 Adjustment Procedure 7 2 6 PAL Colour 8 2 7 Adjustment 8 3 Con...

Страница 3: ...metallic cabinet part on the receiver such as screw heads aerials connectors control shafts etc When the exposed metallic part has a return path to the chassis the reading should be between 4 M and 20...

Страница 4: ...W AV1 AV2 YUV1 IF H OUT MSP IC2101 AUDIO AMP IC2301A V H R G B SDA SCL PRIMARY LIFE CCT QIF AUDIO DEEMP AV1 AV2 AUDIO AMP IC2301 IC851 5V 8V Antenna CRT SAW SIF SPEAKER YUV AMOUT SOUND TRAP AUDIO SWIT...

Страница 5: ...ment How to set To set the Factory mode press Volume 0 dac on the TV and Timer Setting 30 min on the remote control and press Volume Down button on the TV together press recall on the remote control C...

Страница 6: ...o that X 0 235 0 010 nit 3 Adjustment G CUT OFF so that Y 0 235 0 010 nit Adjustment of High Light 1 Adjustment Sub Bright so that Y 270 nit 2 Adjustment R Drive so that X 0 265 0 010 nit 3 Adjustment...

Страница 7: ...High Voltage Item preparation 1 Receive the crosshatch pattern 2 Set to 0 Beam Screen VR minimum Contrast minimum Adjustment procedure 1 Connect a DC voltage meter to TPA 10 and confirm the B voltage...

Страница 8: ...OSD become blue colour 5 Set A to 2 1 0 1V by BRT CHK2 at measurement point TPL 2 Fig 4 1 Connect oscilloscope probe to TPL 2 G OUT with 10k series resistor and adjust Contrast so that B as in Fig 4...

Страница 9: ...btained Fig 21 10 Re adjust the Low Light controls to their correct settings and make sure that a uniform white field is obtained 11 Tighten the clamp screw A in Fig 10 Convergence 1 Apply a crosshatc...

Страница 10: ...rily Fig 1 Purity magnet Set purity magnet that 2 magnets are TOP POSITION VRS magnet Set purity magnet 2 magnets are HORIZONTAL POSITION 2 Adjustment a Receive that Cross Hatch pattern b Adjust V SHI...

Страница 11: ...3 shown in Fig 11 2 The wedges should be set 120 apart from each other 3 Be certain that three wedges are firmly fixed and the Deflection Yoke is tightly clamped in place Otherwise the Deflection Yok...

Страница 12: ...3 Conductor Views 12 TC 21FG20M MALAYSIA...

Страница 13: ...4 Schematic Diagram 13 TC 21FG20M MALAYSIA...

Страница 14: ...14 TC 21FG20M MALAYSIA...

Страница 15: ...4 1 A Board 4 1 1 A Board 1 6 A1 A2 A3 A4 A6 A7 A5 15 TC 21FG20M MALAYSIA...

Страница 16: ...4 1 2 A Board 2 6 B1 B2 B3 B4 B6 B7 B5 A1 A2 A3 A4 A6 A7 A5 16 TC 21FG20M MALAYSIA...

Страница 17: ...4 1 3 A Board 3 6 C1 C2 C3 C4 C6 C7 C5 B1 B2 B3 B4 B6 B7 B5 17 TC 21FG20M MALAYSIA...

Страница 18: ...4 1 4 A Board 4 6 D1 D2 D3 D4 D5 C1 C2 C3 C4 C6 C7 C5 18 TC 21FG20M MALAYSIA...

Страница 19: ...4 1 5 A Board 5 6 D1 D2 D3 D4 D5 E1 E2 E3 E4 E5 19 TC 21FG20M MALAYSIA...

Страница 20: ...4 1 6 A Board 6 6 E1 E2 E3 E4 E5 20 TC 21FG20M MALAYSIA...

Страница 21: ...4 2 L Board 4 2 1 L Board 13 A1 A2 A3 A4 A5 21 TC 21FG20M MALAYSIA...

Страница 22: ...4 2 2 L Board 2 3 B1 B2 B3 B4 B6 B5 A1 A2 A3 A4 A5 22 TC 21FG20M MALAYSIA...

Страница 23: ...4 2 3 L Board 3 3 B1 B2 B3 B4 B6 B5 23 TC 21FG20M MALAYSIA...

Страница 24: ...5 Parts Locations 24 TC 21FG20M MALAYSIA...

Страница 25: ...6 Replacement Parts List 25 TC 21FG20M MALAYSIA...

Страница 26: ...n Remarks C2138 ECJ2VC1H470J C 47PF J 50V C2139 ECJ2VC1H010C C 1PF C 50V C2140 ECJ2VC1H010C C 1PF C 50V C2141 ECJ2VF1C105Z C 1UF Z 16V C2142 ECJ2VF1C105Z C 1UF Z 16V C2302 F2A1C222A117 E 100UF 16V C23...

Страница 27: ...J2VF1H104Z C 0 1UF Z 50V C883 ECJ2VF1H104Z C 0 1UF Z 50V C971 ECJ2VF1H103Z C 0 01UF Z 50V DIODES D002 MTZJ18B ZENER DIODE D003 MTZJ16A ZENER DIODE D011 B0ACQJ000001 DIODE D1105 MTZJ7 5C ZENER DIODE D1...

Страница 28: ...M J 1 10W R1105 D0GD562JA017 F 5 6KOHM J 1 10W R1106 D0GD102JA017 F 1KOHM J 1 10W R1108 D0GD101JA017 F 100OHM J 1 10W R1109 D0GD101JA017 F 100OHM J 1 10W R1110 D0GD102JA017 F 1KOHM J 1 10W R1111 D0GD1...

Страница 29: ...A017 F 2 2KOHM J 1 10W R593 D0GD103JA017 F 10KOHM J 1 10W R594 D0GD104JA017 F 100KOHM J 1 10W R596 ERJ6GEYJ333 M 33KOHM J 1 10W R601 D0GD153JA017 F 15KOHM J 1 10W Ref No Part No Part Name Description...

Страница 30: ...0 M 0OHM J 1 10W JS882 ERJ6GEY0R00 M 0OHM J 1 10W JS883 ERJ6GEY0R00 M 0OHM J 1 10W L5 K1KA13A00138 CONNECTOR L8 K1KA13A00138 CONNECTOR L10 K1ZZ00001301 CONNECTOR LF801 ELF21V012S LINE FILTER PC860 B3P...

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