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 1 Safety Precautions 

3

 1.1. 

General Guide Lines 

3

 1.2. 

Leakage Current Cold Check 

3

 1.3. 

Leakage Current Hot Check (Fig. 1) 

3

 1.4. 

X-Radiation 

3

 1.5. 

GP31 Chassis Block Diagram 

4

 2 Service Hints 

5

 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 Conductor Views 

12

 4 Schematic Diagram 

13

 4.1. 

A Board 

15

 4.2. 

L Board 

21

 5 Parts Locations 

24

 6 Replacement Parts List 

25

 6.1. 

Replacement Parts List 

26

CONTENTS

 Page 

Page

2

TC-21FG20M-SINGAPORE

Содержание TC-21FG20M-SINGAPORE

Страница 1: ...Electric Industrial Co Ltd All rights reserved Unauthorized copying and distribution is a violation of law TC 21FG20M SINGAPORE 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 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 SWITC...

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: ...igh 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 i...

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 i...

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 TC 21FG20M SINGAPORE...

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

Страница 14: ...14 TC 21FG20M SINGAPORE...

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

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 SINGAPORE...

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 SINGAPORE...

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

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

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

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

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

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

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

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

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: ...VF1H104Z 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 D112...

Страница 28: ...10W R1104 D0GD562JA017 F 5 6KOHM 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 D0GD102J...

Страница 29: ...7 F 10KOHM J 1 10W R592 D0GD222JA017 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 Ref No Part No Part Name Description Rem...

Страница 30: ...JS416 ERJ6GEY0R00 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...

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