Panasonic TX-21GX25R-IRAN Service Manual Download Page 33

Ref.

No.

Part No.

Part Name & Description

Remarks

A4

K1KA04AA0190

CONNECTOR

A5

K1KA04AA0190

CONNECTOR

A8

K1KA04AA0093

CONNECTOR

CF835

TAP4GA0005

POSISTOR

F860

K5D502BK0003

FUSE

JA10

ERJ3GEY0R00

M 0OHM,J,1/16W

JA11

ERJ3GEY0R00

M 0OHM,J,1/16W

JA12

ERJ3GEY0R00

M 0OHM,J,1/16W

JA13

ERJ3GEY0R00

M 0OHM,J,1/16W

JA14

ERJ3GEY0R00

M 0OHM,J,1/16W

JA16

ERJ3GEY0R00

M 0OHM,J,1/16W

JA17

ERJ3GEY0R00

M 0OHM,J,1/16W

JA2

ERJ3GEY0R00

M 0OHM,J,1/16W

JA20

ERJ3GEY0R00

M 0OHM,J,1/16W

JA25

ERJ8GEY0R00

M 0OHM,J, 1/8W

JA26

ERJ8GEY0R00

M 0OHM,J, 1/8W

JA28

ERJ3GEY0R00

M 0OHM,J,1/16W

JA29

ERJ3GEY0R00

M 0OHM,J,1/16W

JA4

ERJ3GEY0R00

M 0OHM,J,1/16W

JA5

ERJ3GEY0R00

M 0OHM,J,1/16W

JA7

ERJ3GEY0R00

M 0OHM,J,1/16W

JA8

ERJ3GEY0R00

M 0OHM,J,1/16W

JA9

ERJ3GEY0R00

M 0OHM,J,1/16W

JK3002

K4BK10B00005

AV TERMINAL

JK3003

K4BK10B00006

AV TERMINAL

JK3202

K4BC14B00005

FRONT AV TERMINAL

JS110

ERJ3GEY0R00

M 0OHM,J,1/16W

JS2315

ERJ3GEY0R00

M 0OHM,J,1/16W

JS2341

ERJ3GEY0R00

M 0OHM,J,1/16W

JS2342

ERJ3GEY0R00

M 0OHM,J,1/16W

JS301

ERJ3GEY0R00

M 0OHM,J,1/16W

JS302

ERJ3GEY0R00

M 0OHM,J,1/16W

JS303

ERJ3GEY0R00

M 0OHM,J,1/16W

JS3043

ERJ3GEY0R00

M 0OHM,J,1/16W

JS3044

ERJ3GEY0R00

M 0OHM,J,1/16W

JS3131

ERJ3GEY0R00

M 0OHM,J,1/16W

JS3132

ERJ3GEY0R00

M 0OHM,J,1/16W

JS3137

ERJ3GEY0R00

M 0OHM,J,1/16W

JS3139

ERJ3GEY0R00

M 0OHM,J,1/16W

JS3140

ERJ3GEY0R00

M 0OHM,J,1/16W

JS407

ERJ3GEY0R00

M 0OHM,J,1/16W

JS408

ERJ3GEY0R00

M 0OHM,J,1/16W

JS670

ERJ3GEY0R00

M 0OHM,J,1/16W

L2

K1KA08AA0659

CONNECTOR

L3

K1KA04AA0190

CONNECTOR

LF1810

J0HADK000001

EMI FILTER

LF835

ELF21V012S

LINE FILTER

RM1001

B3RAD0000120

REMOCON RECEIVER

SC351

K3B09CA00014

CRT SOCKET

SW1031

EVQ11G05R

SWITCH

SW1032

EVQ11G05R

SWITCH

SW1033

EVQ11G05R

SWITCH

SW1034

EVQ11G05R

SWITCH

SW1035

EVQ11G05R

SWITCH

SW1036

EVQ11G05R

SWITCH

SW841

ESB92DA1B

SWITCH

TU001

ENV59K30G3F

TUNER

X1801

H0D202500004

CRYSTAL OSC

X601

H0D202500007

CRYSTAL OSC

XF101

J0C3525A0003

SAW FILTER

33

TX-21GX25R-IRAN

Summary of Contents for TX-21GX25R-IRAN

Page 1: ...al DVD 2007 Matsushita Electric Industrial Co Ltd All rights reserved Unauthorized copying and distribution is a violation of law TX 21GX25R IRAN GP41N Chassis Y 1 0 Vp p 75Ω PB 0 7 Vp p 75Ω PR 0 7 Vp p 75Ω AV 1 2 3 Video In 1 Vp p 75Ω Audio In Approx 0 5V 47kΩ Monitor Out Video Out 1 Vp p 75Ω Audio Out Approx 0 5V 1kΩ High Voltage 27 5kV 1 5 at zero beam current Picture Tube A51LYZ395X62 50 5cm 2...

Page 2: ...s 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 4 3 PP Board 24 5 Parts Locations 27 6 Replacement Parts List 28 6 1 Replacement Parts List 29 CONTENTS Page Page 2 TX 21GX25R IRAN ...

Page 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 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 is...

Page 4: ...ER SWITCH G GEOMAGNETIC WOOFER AMP IC2401 PVP IC1801 R G B SCL SDA CVBS IN REAR INPUTS AV1 V L R AV3 YUV V L R VCT IF IC601 V_IN CVBS OUT MON_OUT R G B R G B MON_OUT V L R EEPROM IC1101 VM SCL SDA A_IN IF H A AUDIO OUT V SPEAKER AUDIO AMP IC2301 V OUT H OUT TUNER FRONT INPUTS AV2 V L R PP 29 models PIP models 4 TX 21GX25R IRAN ...

Page 5: ... 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 function ...

Page 6: ...n 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 foll...

Page 7: ...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 Short ...

Page 8: ...FF so that X 0 246 0 003 nit 3 Adjustment G CUT OFF so that Y 0 256 0 005 nit Adjustment of High Light 1 Adjustment Sub Bright so that Y 150 nit 2 Adjustment R Drive so that X 0 263 0 003 nit 3 Adjustment G Drive so that Y 0 271 0 003 nit 2 4 Adjustment for CRT CUT OFF Preparation 1 Connect the oscilloscope probe to KG 2 Screen VR min 3 Set the data Sub Bright Bright 4 In service Mode at Bright da...

Page 9: ...A 16 141 0 2V TPA 17 8 2 0 3V TPA 18 1 9 0 2V TPA 19 5 2 0 2V TPA 20 175 15V 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...

Page 10: ...ed 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 centr...

Page 11: ...imarily 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 TX 21GX25R IRAN ...

Page 12: ...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 TX 21GX25R IRAN ...

Page 13: ...3 Conductor Views 13 TX 21GX25R IRAN ...

Page 14: ...4 Schematic Diagram 14 TX 21GX25R IRAN ...

Page 15: ...15 TX 21GX25R IRAN ...

Page 16: ...4 1 A Board 4 1 1 A Board 1 5 1A 2A 3A 4A 5A 6A 7A 8A 9A 16 TX 21GX25R IRAN ...

Page 17: ...4 1 2 A Board 2 5 1B 2B 4B 3B 6B 7B 5B 8B 9B 1A 2A 3A 4A 5A 6A 7A 8A 9A 17 TX 21GX25R IRAN ...

Page 18: ...4 1 3 A Board 3 5 1C 2C 4C 3C 6C 7C 5C 8C 9C 1B 2B 4B 3B 6B 7B 5B 8B 9B 18 TX 21GX25R IRAN ...

Page 19: ...4 1 4 A Board 4 5 1D 2D 5D 4D 3D 7D 6D 8D 9D 1C 2C 4C 3C 6C 7C 5C 8C 9C 19 TX 21GX25R IRAN ...

Page 20: ...4 1 5 A Board 5 5 1D 2D 5D 4D 3D 7D 6D 8D 9D 20 TX 21GX25R IRAN ...

Page 21: ...4 2 L Board 4 2 1 L Board 1 3 1A 2A 3A 4A 5A 6A 7A 21 TX 21GX25R IRAN ...

Page 22: ...4 2 2 L Board 2 3 1B 2B 3B 4B 5B 6B 1A 2A 3A 4A 5A 6A 7A 22 TX 21GX25R IRAN ...

Page 23: ...4 2 3 L Board 3 3 1B 2B 3B 4B 5B 6B 23 TX 21GX25R IRAN ...

Page 24: ...4 3 PP Board 4 3 1 PP Board 1 3 1A 2A 3A 4A 5A 6A 7A 8A 9A 24 TX 21GX25R IRAN ...

Page 25: ...4 3 2 PP Board 2 3 1B 2B 3B 4B 5B 6B 7B 1A 2A 3A 4A 5A 6A 7A 8A 9A 25 TX 21GX25R IRAN ...

Page 26: ...4 3 3 PP Board 3 3 1B 2B 3B 4B 5B 6B 7B 26 TX 21GX25R IRAN ...

Page 27: ...5 Parts Locations 27 TX 21GX25R IRAN ...

Page 28: ...6 Replacement Parts List 28 TX 21GX25R IRAN ...

Page 29: ...on Remarks C3023 ECJ1VF1C105Z C 1UF Z 16V C3024 ECJ1VF1C105Z C 1UF Z 16V C3025 ECJ1VF1C105Z C 1UF Z 16V C3027 ECJ1VF1C105Z C 1UF Z 16V C3034 F2A1A471A274 E 470UF 10V C3041 ECJ2VC1H152J C 1500PF J 50V C3042 ECJ2VC1H152J C 1500PF J 50V C3043 ECJ2VC1H222J C 2200PF J 50V C3044 ECJ2VC1H222J C 2200PF J 50V C3045 ECJ2VC1H222J C 2200PF J 50V C3046 ECJ2VC1H222J C 2200PF J 50V C305 F2A1C471A339 E 470UF 16V ...

Page 30: ...2A1C1020060 E 1000UF 16V C886 F2A1H330A342 E 33UF 50V C887 F2A1C102A317 E 1000UF 16V C890 ECJ1VB1C104K C 0 1UF K 16V C891 F2A1C101A310 E 100UF 16V C893 F2A1C221A338 E 220UF 16V C897 F1J1H332A021 C 3300PF 50V C898 ECJ1VF1C105Z C 1UF Z 16V DIODES D1010 B3AGA0000089 DIODE D1132 B0BA3R800012 DIODE D2103 B0AACJ000009 DIODE Ref No Part No Part Name Description Remarks D2107 B0AACJ000009 DIODE D2108 B0AA...

Page 31: ... ERJ3GEY0R00 M 0OHM J 1 16W R1004 ERJ3GEYJ470 M 47OHM J 1 16W R1005 ERJ3GEYJ621 M 620OHM J 1 16W R1006 ERJ3GEYJ152 M 1 5KOHM J 1 16W R1007 ERJ3GEYJ121 M 120OHM J 1 16W R1008 ERJ3GEYJ152 M 1 5KOHM J 1 16W R1021 ERJ3EKF2211 M2 21KOHM F 1 16W R1022 ERJ3EKF3241 M3 24KOHM F 1 16W R1023 ERJ3EKF5111 M5 11KOHM F 1 16W R1024 ERJ3EKF9091 M9 09KOHM F 1 16W R1025 ERJ3EKF2152 M21 5KOHM F 1 16W R1033 ERJ3EKF232...

Page 32: ...002 M 10KOHM F 1 16W R621 ERJ3EKF2002 M 20KOHM 1 10W R624 ERJ3GEYJ102 M 1KOHM J 1 16W R625 ERJ3GEYJ102 M 1KOHM J 1 16W R626 ERJ3GEYJ103 M 10KOHM J 1 16W Ref No Part No Part Name Description Remarks R627 ERJ3GEYJ103 M 10KOHM J 1 16W R628 ERJ3GEYJ823 M 82KOHM J 1 16W R629 ERJ3GEY0R00 M 0OHM J 1 16W R632 ERJ3GEYJ682 M 6 8KOHM J 1 16W R634 ERJ3GEYJ151 M 150OHM J 1 16W R635 ERJ3GEYJ151 M 150OHM J 1 16W...

Page 33: ...10 ERJ3GEY0R00 M 0OHM J 1 16W JS2315 ERJ3GEY0R00 M 0OHM J 1 16W JS2341 ERJ3GEY0R00 M 0OHM J 1 16W JS2342 ERJ3GEY0R00 M 0OHM J 1 16W JS301 ERJ3GEY0R00 M 0OHM J 1 16W JS302 ERJ3GEY0R00 M 0OHM J 1 16W JS303 ERJ3GEY0R00 M 0OHM J 1 16W JS3043 ERJ3GEY0R00 M 0OHM J 1 16W JS3044 ERJ3GEY0R00 M 0OHM J 1 16W JS3131 ERJ3GEY0R00 M 0OHM J 1 16W JS3132 ERJ3GEY0R00 M 0OHM J 1 16W JS3137 ERJ3GEY0R00 M 0OHM J 1 16W...

Reviews: