background image

Power Source :

AC AUTO 110-240V, 50/60 Hz

Power Consumption :

58W

Aerial Impedance :

75

Ω

unbalanced

Coaxial type

Receiving System :

17 Systems

Receiving Channels :

VHF

2-13(U.S.A Standard)

UHF

14-69(U.S.A Standard)

CATV

1-125(U.S.A Standard)

Audio Terminal :

DVD

Y

1.0 Vp-p, 75

Ω

PB

0.7 Vp-p, 75

Ω

PR

0.7 Vp-p, 75

Ω

AV 1, 2

Video In

1 Vp-p, 75

Ω

Audio In

Approx. 0.5V, 47k

Ω

Monitor Out

© 2007 Matsushita Electric Industrial Co., Ltd. All
rights

reserved.

Unauthorized

copying

and

distribution is a violation of law.

TC-21GX30P

GL1 Chassis

Video Out

1 Vp-p, 75

Ω

Audio Out

Approx. 0.5V, 1k

Ω

High Voltage :

27.5kV ±1.5

at zero beam current

Picture Tube :

A51LYZ395X65

50.5cm (21 inches)

Measured diagonally,

90° deflection

Audio Output :

5W + 5w = 10W

Dimensions :

Height : 472 mm

Width : 598 mm

Depth : 479 mm

Mass :

22.5 kg (Net Wt.)

Specifications are subject to change without notice.
Mass and dimensions shown are approximate.

Colour Television

Specifications

ORDER NO. MTV0701517CE

Содержание TC-21GX30P

Страница 1: ...t 2007 Matsushita Electric Industrial Co Ltd All rights reserved Unauthorized copying and distribution is a violation of law TC 21GX30P GL1 Chassis Video Out 1 Vp p 75Ω Audio Out Approx 0 5V 1kΩ High Voltage 27 5kV 1 5 at zero beam current Picture Tube A51LYZ395X65 50 5cm 21 inches Measured diagonally 90 deflection Audio Output 5W 5w 10W Dimensions Height 472 mm Width 598 mm Depth 479 mm Mass 22 5...

Страница 2: ...rvice Hints 5 2 1 Service Position for E Board 5 2 2 Factory Mode Adjustment 5 2 3 Adjustment for White Balance 8 2 4 Adjustment for CRT CUT OFF 8 2 5 Adjustment Procedure 9 2 6 Adjustment 10 3 Conductor Views 13 4 Schematic Diagram 14 4 1 A Board 16 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 21GX30P ...

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: ...SAW Rear Inputs AV1 V L R Front Inputs AV2 V L R YUV YUV CVBS4 CVBS2 IF V H V OUT H OUT R G B R G B CRT defl coil MONITOR OUT SDA SCL Audio Out Mon Out AUDIO AMP IC2302 IC601 UOC EEPROM IC1103 IC851 5V 8V IC801 T801 IC880 3 3V PRIMARY LIFE CCT SPEAKER 4 TC 21GX30P ...

Страница 5: ...ent a Set Timer ON 30 minutes Press remote s RECALL panel s vol down key simultaneously to select service mode b CHK should appear on right side of TV screen After few seconds CHK 1 should appear on right side of TV screen NOTE To move from CHK 1 to CHK 2 mode etc please follow below rotation c CHK 1 Press digit key 4 to move option mode forward Press digit key 3 to move option backward The functi...

Страница 6: ...tion will be as follows f Press digit key 4 to move forward from Colour Sub Colour etc Press digit key 3 to move backward from Sub Colour Colour etc g Press volume up volume down to adjust setting h Press digit key 5 to make the AKB OFF Blue OSD first time Press digit key 5 to make the AKB On White OSD second time i CHK3 Press digit key 2 to move forward to CHK 3 The function rotation will be as f...

Страница 7: ...ve backward from G CUT R CUT n After selecting the required mode press volume up volume down to adjust required setting o Press digit key 5 to make the AKB OFF and H Line mode first time Press digit key 5 to make the AKB ON and Normal picture second time p After finish adjustment press Power ON OFF button on remote control to go to normal TV mode 2 HOW TO CHANGE CHANNEL BY I2C BUS CONTROLLER a Sho...

Страница 8: ...OFF so that X 0 233 0 015 nit 3 Adjustment G CUT OFF so that Y 0 235 0 015 nit Adjustment of High Light 1 Adjustment Sub Bright so that Y 150 nit 2 Adjustment R Drive so that X 0 262 0 010 nit 3 Adjustment G Drive so that Y 0 264 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 9: ...s follows TPA 10 141 1 5V TPA 12 3 3 0 5V TPA 09 5 1V 2 5 2 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 con...

Страница 10: ...ained 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 at the ce...

Страница 11: ... 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 11 TC 21GX30P ...

Страница 12: ...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 12 TC 21GX30P ...

Страница 13: ...3 Conductor Views 13 TC 21GX30P ...

Страница 14: ...4 Schematic Diagram 14 TC 21GX30P ...

Страница 15: ...15 TC 21GX30P ...

Страница 16: ...4 1 A Board 4 1 1 A Board 1 5 1A 2A 3A 5A 4A 6A 7A 8A 9A 16 TC 21GX30P ...

Страница 17: ...4 1 2 A Board 2 5 1B 2B 4B 3B 7B 6B 5B 8B 9B 1A 2A 3A 5A 4A 6A 7A 8A 9A 17 TC 21GX30P ...

Страница 18: ...4 1 3 A Board 3 5 1C 2C 4C 3C 7C 6C 5C 8C 9C 1B 2B 4B 3B 7B 6B 5B 8B 9B 18 TC 21GX30P ...

Страница 19: ...4 1 4 A Board 4 5 1D 2D 7D 4D 3D 8D 6D 5D 9D 1C 2C 4C 3C 7C 6C 5C 8C 9C 19 TC 21GX30P ...

Страница 20: ...4 1 5 A Board 5 5 1D 2D 7D 4D 3D 8D 6D 5D 9D 20 TC 21GX30P ...

Страница 21: ...4 2 L Board 4 2 1 L Board 1 3 1A 2A 3A 4A 5A 21 TC 21GX30P ...

Страница 22: ...4 2 2 L Board 2 3 1B 2B 3B 4B 5B 6B 1A 2A 3A 4A 5A 22 TC 21GX30P ...

Страница 23: ...4 2 3 L Board 3 3 1B 2B 3B 4B 5B 6B 23 TC 21GX30P ...

Страница 24: ...5 Parts Locations 24 TC 21GX30P ...

Страница 25: ...6 Replacement Parts List 25 TC 21GX30P ...

Страница 26: ...art No Part Name Description Remarks C514 F2A1E102A199 E 1000UF 25V C515 F1B2H331A025 C 330PF 500V C516 F2A1E102A199 E 1000UF 25V C519 F2A2C330A096 E 33UF 160V C520 F2A0J221A317 E 220UF 6 3V C550 ECQM4223JZ P 0 022UF J 400V C552 F2A2E1000023 E 10UF 250V C555 F1B2H471A022 C 470PF 500V C558 F2A2ER47A186 E 0 47UF 250V C559 F0C3C752A002 P 7500PF 1 6KV C560 ECQM4393JZ P 0 039UF J 400V C561 ECKW3D471JBR...

Страница 27: ...rt No Part Name Description Remarks IC351 TDA6107AJFN1 IC IC451 AN15525A IC IC601 TDA12140NDW IC IC801 C5HABZZ00116 IC HYBRID IC802 C0EAS0000026 IC IC851 C0DAEJG00001 IC POWER SUPPLY IC880 C0DAEJG00001 IC POWER SUPPLY COILS L001 G0C100K00008 COIL L1101 TALV35VB331K PEAKING COIL L2140 J0JKA0000038 BEAD CORE L3137 J0JKA0000024 EMI FILTER L350 J0JKA0000038 BEAD CORE L501 G0D820000005 LINEARITY COIL L...

Страница 28: ...W R409 ERJ3GEYJ202 M 2KOHM J 1 16W R414 ERJ3GEYJ432 M 4 3KOHM J 1 16W R415 D1AC7500A094 M 750OHM 1 10W R416 ERX1SJR56E M 0 56OHM J 1W Ref No Part No Part Name Description Remarks R504 ERG2SJS332H M 3 3KOHM J 2W R507 ERDS2TJ101 C 100OHM J 1 4W R508 ERG3FJ152H M 1 5KOHM J 3W R509 ERG3FJ182H M 1 8KOHM J 3W R511 ERJ6ENF1002 M 10KOHM 1 10W R512 ERJ6ENF1002 M 10KOHM 1 10W R513 ERQ14AJ100E F 10OHM J 1 4W...

Страница 29: ... 1 16W JA7 ERJ3GEY0R00 M 0OHM J 1 16W JA9 ERJ3GEY0R00 M 0OHM J 1 16W JK3002 K4BK09B00013 REAR AV TERMINAL JK3003 K4BK10B00004 REAR AV TERMINAL JK3202 K4BC14B00005 FRONT AV TERMINAL JSA002 ERJ3GEY0R00 M 0OHM J 1 16W JSA102 ERJ3GEY0R00 M 0OHM J 1 16W JSA110 ERJ3GEY0R00 M 0OHM J 1 16W JSA111 ERJ3GEY0R00 M 0OHM J 1 16W JSA112 ERJ3GEY0R00 M 0OHM J 1 16W JSA113 ERJ3GEY0R00 M 0OHM J 1 16W JSA121 ERJ3GEY0...

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