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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

TX-21FG50M-SINGAPORE

Содержание TX-21FG50M-SINGAPORE

Страница 1: ...Industrial Co Ltd All rights reserved Unauthorized copying and distribution is a violation of law TX 21FG50M SINGAPORE GP31 Chassis Colour 33 57 MHz PAL 33 6 MHz SECAM 33 75 MHz SECAM 34 42 MHz NTSC...

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 Cond...

Страница 3: ...etallic 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: ...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 SWITCH...

Страница 5: ...ent 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 CH...

Страница 6: ...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: ...gh 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 12 and confirm the B voltage is...

Страница 8: ...ue colour 5 Connect TPA 10 to TPA 20 6 Set A to 2 3 0 2V 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...

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 Yoke...

Страница 12: ...3 Conductor Views 12 TX 21FG50M SINGAPORE...

Страница 13: ...4 Schematic Diagram 13 TX 21FG50M SINGAPORE...

Страница 14: ...14 TX 21FG50M SINGAPORE...

Страница 15: ...4 1 A Board 4 1 1 A Board 1 5 1A 2A 3A 4A 5A 6A 7A 8A 15 TX 21FG50M SINGAPORE...

Страница 16: ...4 1 2 A Board 2 5 1A 2A 3A 4A 5A 6A 7A 8A 1B 2B 3B 4B 5B 6B 7B 8B 16 TX 21FG50M SINGAPORE...

Страница 17: ...4 1 3 A Board 3 5 1B 2B 3B 4B 5B 6B 7B 8B 1C 2C 3C 4C 5C 6C 7C 8C 17 TX 21FG50M SINGAPORE...

Страница 18: ...4 1 4 A Board 4 5 1C 2C 3C 4C 5C 6C 7C 8C 1D 2D 3D 4D 5D 6D 7D 8D 18 TX 21FG50M SINGAPORE...

Страница 19: ...4 1 5 A Board 5 5 1D 2D 3D 4D 5D 6D 7D 8D 19 TX 21FG50M SINGAPORE...

Страница 20: ...4 2 L Board 4 2 1 L Board 1 3 1A 2A 3A 4A 20 TX 21FG50M SINGAPORE...

Страница 21: ...4 2 2 L Board 2 3 1A 2A 3A 4A 1B 2B 3B 4B 21 TX 21FG50M SINGAPORE...

Страница 22: ...4 2 3 L Board 3 3 1B 2B 3B 4B 22 TX 21FG50M SINGAPORE...

Страница 23: ...5 Parts Locations 23 TX 21FG50M SINGAPORE...

Страница 24: ...6 Replacement Parts List 24 TX 21FG50M SINGAPORE...

Страница 25: ...ion Remarks C2114 ECJ2VF1H104Z C 0 1UF Z 50V C2115 ECA1HM4R7B E 4 7UF 50V C2117 ECA1CM101B E 100UF 16V C2120 ECA1HM3R3B E 3 3UF 50V C2121 ECJ2VF1C104Z C 0 1UF Z 16V C2124 ECA1CM100B E 10UF 16V C2125 E...

Страница 26: ...53 F1B2H561A025 C 560PF 500V C854 ECKW3D102KBP C 1000PF K 2KV C855 F1B2H331A025 C 330PF 500V C856 ECA1CM100B E 10UF 16V C862 F2A1C332A232 E 3300UF 16V C863 F2A2C2210013 E 220UF 160V C864 F2A1C102A252...

Страница 27: ...0OHM J 1 10W R004 ERG3FJ183H M 18KOHM J 3W R006 D0GD273JA017 F 27OHM J 1 10W R007 D0GD302JA017 F 3KOHM J 1 10W R008 D0GD681JA017 F 680OHM J 1 10W R011 D0GD103JA017 F 10KOHM J 1 10W R012 D0GD332JA017 F...

Страница 28: ...C 1OHM J 1 2W R407 ERG2FJ331H M 330OHM J 2W R409 D0GD512JA017 F 5 1KOHM J 1 10W R410 D0GD202JA017 F 2KOHM J 1 10W R414 D0GD432JA017 F 4 3KOHM J 1 10W Ref No Part No Part Name Description Remarks R415...

Страница 29: ...BK09B00011 AV TERMINAL JK3003 K4BK07B00010 AV TERMINAL JK3102 K4BC14B00004 FRONT AV TERMINAL JS110 ERJ6GEY0R00 M 0OHM J 1 10W JS1103 ERJ6GEY0R00 M 0OHM J 1 10W JS111 ERJ6GEY0R00 M 0OHM J 1 10W JS112 E...

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