Panasonic TC-21FG20R Скачать руководство пользователя страница 4 | Manualshive

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Panasonic TC-21FG20R Скачать руководство пользователя страница 4

1.5. GP31 Chassis Block Diagram

I

MONITOR

OUT

IC801

T801

IC880

STBY 5V

IC1201

3.3V

EEPROM

IC1103

V OUT

IC601

UOC

SAW

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

IC3151

R

G

B

defl.

coil

TUNER

SW

IFVO

CVBS1

CVBSO

CVBS2

CVBS3

SOUND MODULATION

MONO STEREO

4

TC-21FG20R

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Содержание TC-21FG20R

Страница 1: ...shita Electric Industrial Co Ltd All rights reserved Unauthorized copying and distribution is a violation of law TC 21FG20R GP31 Chassis Colour 33 57 MHz PAL 33 6 MHz SECAM 33 75 MHz SECAM 34 42 MHz NTSC Video Terminals AV1 2 RAV In Video In 1 Vp p 75Ω Audio In Approx 400mVrms Monitor Out Video Out 1 Vp p 75Ω Audio Out Approx 400mVrms High Voltage 27 5kV 1 5 at zero beam current Picture Tube A51LX...

Страница 2: ...nts 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 20 5 Parts Locations 23 6 Replacement Parts List 24 6 1 Replacement Parts List 25 CONTENTS Page Page 2 TC 21FG20R ...

Страница 3: ...sed 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 MΩ and 20 MΩ When the exposed metal does not have a return path to the chassis the reading must be infinite 1 3 Leakage Current Hot Check Fig 1 1 Plug the AC cord directly into the AC outlet Do not use an...

Страница 4: ...OC SAW 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 IC3151 R G B defl coil TUNER SW IFVO CVBS1 CVBSO CVBS2 CVBS3 SOUND MODULATION MONO STEREO 4 TC 21FG20R ...

Страница 5: ...djustment 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 CHK should appear on right of TV screen To move from CHK1 to CHK2 mode etc please follow below rotation To Set Self Check Press the Volume Down button on TV then press the Off Timer button on remo...

Страница 6: ...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...

Страница 7: ... 5 3 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 is 141 0 1 5V 2 Connect a high frequency voltmeter to heater and confirm that voltage reads 6 3 0 24 VRMS 3 Normalize the brightness and contrast 2 5 4 NTSC TINT COLOUR Item preparation 1 Connect...

Страница 8: ...firm 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 10kΩ series resistor and adjust Contrast so that B as in Fig 4 is 2 4 0 05V 2 Adjust Sub Colour so that waveform as in Fig 4 1 2 5 0 1V 3 Connect oscilloscope probe to TPL 1 R OUT with 10kΩ series resistor and confirm waveform as in Fig 5 is 2 2 7 0 4V 4 Pre...

Страница 9: ...d is obtained 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 crosshatch pattern signal and Normalize Contrast control to the maximum positions 2 Adjust Brightness until the grey position of the crosshatch pattern just becomes black 3 Adjust the Red and Blue line a...

Страница 10: ... primarily 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 SHIFT 50Hz c Set 2 magnets of horizontal position to up and down equally so that it will be the center part of CRT Fig 2 10 TC 21FG20R ...

Страница 11: ...2 and 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 may shift its position and cause a loss of convergence and purity 11 TC 21FG20R ...

Страница 12: ...3 Conductor Views 12 TC 21FG20R ...

Страница 13: ...4 Schematic Diagram 13 TC 21FG20R ...

Страница 14: ...14 TC 21FG20R ...

Страница 15: ...4 1 A Board 4 1 1 A Board 1 5 1A 2A 3A 4A 5A 6A 7A 15 TC 21FG20R ...

Страница 16: ...4 1 2 A Board 2 5 1A 2A 3A 4A 5A 6A 7A 1B 2B 3B 4B 5B 6B 7B 16 TC 21FG20R ...

Страница 17: ...4 1 3 A Board 3 5 1B 2B 3B 4B 5B 6B 7B 1C 2C 3C 4C 5C 6C 7C 17 TC 21FG20R ...

Страница 18: ...4 1 4 A Board 4 5 1C 2C 3C 4C 5C 6C 7C 1D 2D 3D 4D 5D 6D 7D 18 TC 21FG20R ...

Страница 19: ...4 1 5 A Board 5 5 1D 2D 3D 4D 5D 6D 7D 19 TC 21FG20R ...

Страница 20: ...4 2 L Board 4 2 1 L Board 13 A1 A2 A3 A4 A5 20 TC 21FG20R ...

Страница 21: ...4 2 2 L Board 2 3 B1 B2 B3 B4 B6 B5 A1 A2 A3 A4 A5 21 TC 21FG20R ...

Страница 22: ...4 2 3 L Board 3 3 B1 B2 B3 B4 B6 B5 22 TC 21FG20R ...

Страница 23: ...5 Parts Locations 23 TC 21FG20R ...

Страница 24: ...6 Replacement Parts List 24 TC 21FG20R ...

Страница 25: ...C 1UF Z 16V C2104 ECJ2VF1C105Z C 1UF Z 16V C2105 ECJ2VF1C105Z C 1UF Z 16V C2106 ECJ2VF1C105Z C 1UF Z 16V C2109 ECA1CM100B E 10UF 16V C2110 ECJ2VB1H332K C 3300PF K 50V C2111 ECJ2VB1H332K C 3300PF K 50V C2113 ECA1HM4R7B E 4 7UF 50V 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 ...

Страница 26: ...C 1000PF M C842 F1A2E102A001 C 1000PF C844 ECKCNA222ME7 C 2200PF M C846 F1A2E101A002 C 100PF C850 ECJ2VF1H224Z C 0 22UF Z 50V C853 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 E 1000UF 16V Ref No Part No Part Name Description Remarks C875 ECA1CM101...

Страница 27: ...R003 D0GD100JA017 F 10OHM 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 3 3KOHM J 1 10W R021 D0GD273JA017 F 27KOHM J 1 10W R022 D0GD473JA017 F 47KOHM J 1 10W R1016 ERJ6ENF1800 M1 65KOHM 1 10W R1017 ERJ6ENF2400 M2 15KOHM 1 10W R1018 ERJ6ENF3300 M 330O...

Страница 28: ...12AJ100E F 10OHM J 1 2W R520 ERQ12AJ100E F 10OHM J 1 2W R521 ERQ12AJ100E F 10OHM J 1 2W R522 D0GD273JA017 F 27KOHM J 1 10W Ref No Part No Part Name Description Remarks R523 D0GD103JA017 F 10KOHM J 1 10W R524 D0GD104JA017 F 100KOHM J 1 10W R525 D0GD392JA017 F 3 9KOHM J 1 10W R553 D0GD223JA017 F 22KOHM J 1 10W R554 ERJ6GEYJ103 M 10KOHM J 1 10W R555 ERQ14AJ2R0P F 2 0OHM J 1 4W R557 ER050CKF9532 M95 3...

Страница 29: ...0 ERJ6GEY0R00 M 0OHM J 1 10W JS2141 ERJ6GEY0R00 M 0OHM J 1 10W JS3001 ERJ6GEY0R00 M 0OHM J 1 10W JS3129 ERJ6GEY0R00 M 0OHM J 1 10W JS3132 ERJ6GEY0R00 M 0OHM J 1 10W JS3133 ERJ6GEY0R00 M 0OHM J 1 10W JS3140 ERJ6GEY0R00 M 0OHM J 1 10W JS3261 ERJ6GEY0R00 M 0OHM J 1 10W JS3296 ERJ6GEY0R00 M 0OHM J 1 10W JS3297 ERJ6GEY0R00 M 0OHM J 1 10W JS415 ERJ6GEY0R00 M 0OHM J 1 10W JS416 ERJ6GEY0R00 M 0OHM J 1 10W...

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