background image

Ref.

No.

Part No.

Part Name & Description

Remarks

D873

B0AACJ000009

DIODE

D876

B0AACJ000009

DIODE

D881

B0BA01500052

DIODE

D882

B0BA01500052

DIODE

D883

B0JAPK000013

DIODE

D884

B0AACJ000009

DIODE

D887

B0AACJ000009

DIODE

D896

D4EAC6210002

VARISTOR

INTEGRATED
CIRCUITS

IC1101

TVR4GAS741

EEPROM IC

IC1801

C5AB00000022

IC

IC1802

C0DBZGB00017

IC, POWER SUPPLY

IC2301

C0ZAZ0000220

IC

IC351

TDA6107AJFN1

IC

IC451

C1AA00000767

IC

IC601

TVR4G46-5

ROM IC

IC802

C0EAS0000024

IC

IC803

C5HABZZ00116

IC, HYBRID

IC851

C0DAEJG00001

IC, POWER SUPPLY

IC857

C0DBEHE00005

IC, POWER SUPPLY

IC871

C0DAZGG00012

IC, POWER SUPPLY

IC875

C0DBEHE00005

IC, POWER SUPPLY

COILS

L002

G0C100K00008

COIL

L003

G0C4R7JA0055

PEAKING COIL

L1801

J0JCC0000411

BEAD CORE

L1802

J0JCC0000411

BEAD CORE

L1810

J0JCC0000411

BEAD CORE

L1811

J0JCC0000411

BEAD CORE

L1820

J0JCC0000411

BEAD CORE

L1821

J0JCC0000411

BEAD CORE

L1830

J0JKB0000038

COIL

L1831

J0JKB0000038

COIL

L2302

J0JKA0000038

BEAD CORE

L2304

J0JKA0000038

BEAD CORE

L2306

J0JKA0000024

EMI FILTER

L2323

J0JKA0000038

BEAD CORE

L2324

J0JKA0000038

BEAD CORE

L3045

J0JCC0000411

BEAD CORE

L3046

J0JCC0000411

BEAD CORE

L3161

EXC3BB221H

CHIP BEAD CORE

L3162

EXC3BB221H

CHIP BEAD CORE

L3163

EXC3BB221H

CHIP BEAD CORE

L3166

EXC3BB221H

CHIP BEAD CORE

L376

J0JKA0000024

EMI FILTER

L501

J0JKA0000038

BEAD CORE

L505

J0JKA0000024

EMI FILTER

L514

J0JKA0000038

BEAD CORE

L515

J0JKA0000038

BEAD CORE

L517

J0JKA0000038

BEAD CORE

L518

J0JKA0000038

BEAD CORE

L550

J0JKB0000034

EMI FILTER

L554

ELC08D682E

CHOKE COIL

L557

ELH5L7159

LINEARITY COIL

L565

EXCELSA39V

BEAD CORE

L566

ELC18B471L

CHOKE COIL

L601

G0C100K00008

COIL

L602

G0C100K00008

COIL

L603

G0C100K00008

COIL

L604

G0C100K00008

COIL

L605

TALV35VB8R2K

PEAKING COIL

L606

G0C100K00008

COIL

L607

TALV35VB8R2K

PEAKING COIL

L608

G0C3R9KA0030

PEAKING COIL

L610

J0JKB0000034

EMI FILTER

L611

G0C100K00008

COIL

L612

TSK1040

BEAD CORE

L630

J0JCC0000411

BEAD CORE

L635

J0JCC0000411

BEAD CORE

L657

J0JCC0000411

BEAD CORE

L705

ELC18B103L

CHOKE COIL

L819

ETQR36T020B

CHOKE COIL

Ref.

No.

Part No.

Part Name & Description

Remarks

L842

J0JKA0000025

BEAD CORE

L845

J0JKA0000023

BEAD CORE

L865

J0JKA0000025

BEAD CORE

L866

J0JKA0000023

BEAD CORE

L867

J0JKB0000039

EMI FILTER

L894

G0A220GA0002

CHOKE COIL

TRANSISTORS

Q1060

2SD0601A0L

TRANSISTOR

Q1061

2SB709ATX

TRANSISTOR

Q1062

2SD0601A0L

TRANSISTOR

Q1063

2SD0601A0L

TRANSISTOR

Q2101

2SB709ATX

TRANSISTOR

Q304

2SB709ATX

TRANSISTOR

Q305

2SB709ATX

TRANSISTOR

Q306

2SB709ATX

TRANSISTOR

Q320

2SD0601A0L

TRANSISTOR

Q354

2SB709ATX

TRANSISTOR

Q360

B1ACAA000019

TRANSISTOR

Q361

B1ACAA000019

TRANSISTOR

Q362

B1ACAA000019

TRANSISTOR

Q501

2SC4212H

TRANSISTOR

Q520

2SB0792A0L

TRANSISTOR

Q551

2SC6073000LK

TRANSISTOR

Q603

2SD0601A0L

TRANSISTOR

Q604

2SD0601A0L

TRANSISTOR

Q605

2SD0601A0L

TRANSISTOR

Q608

2SD0601A0L

TRANSISTOR

Q610

2SB709ATX

TRANSISTOR

Q665

B1ADCE000012

TRANSISTOR

Q701

B1DFDM000012

TRANSISTOR

Q702

2SD0601A0L

TRANSISTOR

Q703

2SD0601A0L

TRANSISTOR

Q846

2SD0601A0L

TRANSISTOR

Q850

B1BCCM000002

TRANSISTOR

Q857

2SC54190QA

TRANSISTOR

Q870

2SB709ATX

TRANSISTOR

RESISTORS

R005

D0GB512JA008

F 5.1KOHM,J,1W

R006

ERJ3GEYJ473

M 47KOHM,J,1/16W

R007

ERJ3GEYJ682

M 6.8KOHM,J,1/16W

R008

ERJ3GEY0R00

M 0OHM,J,1/16W

R009

ERJ3GEY0R00

M 0OHM,J,1/16W

R1041

ERJ3EKF2321

M2.32KOHM,F,1/16W

R1043

ERJ3EKF2211

M2.21KOHM,F,1/16W

R1044

ERJ3EKF3241

M3.24KOHM,F,1/16W

R1045

ERJ3EKF5111

M5.11KOHM,F,1/16W

R1046

ERJ3EKF9091

M9.09KOHM,F,1/16W

R1047

ERJ3EKF1802

M 18KOHM,F,1/16W

R1061

ERJ3GEYJ361

F 360OHM,J,1/2W

R1062

ERDS2TJ102

C 1KOHM,J, 1/4W

R1063

ERJ3GEYJ752

M 7.5KOHM,J,1/16W

R1065

ERJ3GEYJ121

M 120OHM,J,1/16W

R1066

ERJ3GEYJ152

M 1.5KOHM,J,1/16W

R1067

ERJ3GEYJ470

M 47OHM,J,1/16W

R1068

ERJ3GEYJ103

M 10KOHM,J,1/16W

R1105

ERJ3GEYJ103

M 10KOHM,J,1/16W

R1106

ERJ3GEYJ102

M 1KOHM,J,1/16W

R1108

ERJ3GEYJ101

M 100OHM,J,1/16W

R1109

ERJ3GEYJ103

M 10KOHM,J,1/16W

R1112

ERJ3GEYJ102

M 1KOHM,J,1/16W

R1114

ERJ3GEYJ151

M 150OHM,J,1/16W

R1115

ERJ3GEYJ101

M 100OHM,J,1/16W

R1131

ERJ3GEYJ220

M 22OHM,J,1/16W

R1132

ERJ3GEYJ220

M 22OHM,J,1/16W

R1140

D1AC1002A094

M 10KOHM,F,1/16W

R1142

ERJ3EKF1001

M 1KOHM,F,1/16W

R1150

ERJ3GEYJ101

M 100OHM,J,1/16W

R1201

ERJ3GEYJ102

M 1KOHM,J,1/16W

R1202

ERJ3GEYJ102

M 1KOHM,J,1/16W

R1228

ERJ3GEYJ101

M 100OHM,J,1/16W

R1229

ERJ3GEYJ101

M 100OHM,J,1/16W

R1820

ERJ3GEYJ470

M 47OHM,J,1/16W

R1821

ERJ3GEYJ101

M 100OHM,J,1/16W

49

TX-21RX25R

Summary of Contents for TX-21RX25R

Page 1: ...lectric Industrial Co Ltd All rights reserved Unauthorized copying and distribution is a violation of law TX 21RX25R GP41Z Chassis Video Audio Terminal DVD Y 1 0 Vp p 75 PB 0 7 Vp p 75 PR 0 7 Vp p 75...

Page 2: ...stment for CRT CUT OFF 7 2 5 Adjustment Procedure 7 2 6 Adjustment of Purity 8 3 Location of Lead Wiring 20 3 1 Wire Dressing 20 3 2 Wire Dressing and Connections 21 4 Conductor Views 22 5 Schematic D...

Page 3: ...ing the tube After servicing make the following leakage current check to prevent the customer from being exposed to shock hazards 1 2 Leakage Current Cold Check 1 Unplug the power cord and connect a j...

Page 4: ...calibrated high voltage meter 1 Set the brightness to minimum 2 Use the remote to get into Service Mode 3 Measure the EHT The meter reading should indicate 24 0 1 5 kV If the meter indication is out o...

Page 5: ...01 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 SCL SDA A_IN IF H A AUDIO OUT V SPEAKER AUDIO AMP IC2301 V OUT T...

Page 6: ...OK Store Save selected item Normalize Exit service mode 3 Service Mode 2 Controls To enter SERVICE 2 press channel key 1 in SERVICE 1 entry screen Key 3 4 Previous Next Service 2 Item Key 8 9 Toggle...

Page 7: ...0 263 0 003 nit 3 Adjustment B Drive so that Y 0 261 0 003 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 I...

Page 8: ...eive the purity pattern White pattern d Picture menu CONTRAST Max BRIGHT Max e Set V CENTER to 4 f Static convergence should have been roughly adjusted g Connect DC current meter through FBT pin 3 and...

Page 9: ...stment secure magnets with magnet lock of white lacquer Beams move with rotating when static magnet is turned Rotational reduce of beams differs by angle of two magnets Therefore repeat magnet adjustm...

Page 10: ...position VRS Mag Set VRS Mg that 2 magnets are top position c Set geomagnetic correction DAC As in TABLE 1 2 ADJUSTMENT a Receive the white balance pattern b Adjust V CENTER c Set R B CUT OFF to mini...

Page 11: ...RESET MENU b Confirm that it leans right side as shown Fig 1 when change the DAC c Confirm that it leans left side as shown Fig 1 when change the DAC d Confirm that purity is changed when change the D...

Page 12: ...ADJUSTMENT 1 PREPARATION a Receive crosshatch pattern E 4 b Picture menu DYNAMIC NORMAL 2 ADJUSTMENT a Adjust focus VR for best position Adjust focus base on no 6 line Fig 1 Crosshatch Pattern 12 TX 2...

Page 13: ...YNAMIC Normal 3 CONFIRMATION AND ADJUSTMENT a Adjustment of 50 Hz V CENTER a Receive the monoscope pattern E11 b Adjust V POS so that centre of monoscope pattern is at CRT centre b Adjustment of 50 Hz...

Page 14: ...Receive the Philips pattern US11 b Adjust V POS so that centre of Philips pattern is at 2 3 of Top and Bottom A B Fig 3c is 2 3 of viewable size b Adjustment of 50 Hz V AMP a Receive the Philips patt...

Page 15: ...just H AMP so that both edges are within 2 5 0 2 Refer to Fig 1 Fig 1 5 EW ADJUSTMENT CONFIRMATION a PREPARATION a Receive crosshatch pattern E4 b EW ADJUSTMENT a Adjust the vertical line no 2 to stra...

Page 16: ...cope pattern E11 If no burst signal Set to force PAL b Set the aspect to 16 9 c Confirm that A B in Fig 1 is 4 0 cm 1 5 if not adjust V ZOOM d Receive NTSC monoscope patern US13 If no burst signal Set...

Page 17: ...C D Fig 3 is 2 0 0 1 A B Fig 3 is 2 0 0 1 Fig 3 c Adjustment of 60 Hz H CENTER a Receive the monoscope pattern US13 b Adjust H POS 60 Hz offset so that horizontal position is at centre of CRT d Adjust...

Page 18: ...justment of TRAPEZOID a Adjust the vertical line to straight line of both sides of vertical lines trapezoid in Fig 3 by TRAPEZ 1 Fig 3 4 Adjustment of UPPER CORNER AND LOWER CORNER a Adjust the EW at...

Page 19: ...6 Adjustment of BOW a Adjust BOW so that the vertical lines are straight Fig 6 Fig 6 19 TX 21RX25R...

Page 20: ...3 Location of Lead Wiring 3 1 Wire Dressing 20 TX 21RX25R...

Page 21: ...0 WIRE MUST BE INSERTED AT G BOARD AND K B0ARD CONNECTERS SINGLE CLAMP DOUBLE CLAMP SAFETY CAUTION POINTS 1 ALL LEAD MUST NOT TOUCH THE HIGH TEMPERATURE PARTS HEAT SINK FBT POWER CIRCUIT 2 DY LEAD MUS...

Page 22: ...4 Conductor Views 22 TX 21RX25R...

Page 23: ...ise noted 3 Coil Unit of inductance is H unless otherwise noted 4 Test Point Test Point position 5 Earth Symbol Chassis Earth Cold Line Earth Hot 6 Voltage Measurement Voltage is measured using DC vol...

Page 24: ...ons in the schematic diagram Take the following precautions All circuits except the Power Circuit are cold Precautions a Do not touch the hot part or the hot and cold parts at the same time or you may...

Page 25: ...5 1 A Board 5 1 1 A Board 1 5 1A 2A 3A 5A 4A 6A 7A 8A 25 TX 21RX25R...

Page 26: ...5 1 2 A Board 2 5 1B 2B 3B 4B 5B 6B 7B 1A 2A 3A 5A 4A 6A 7A 8A 26 TX 21RX25R...

Page 27: ...5 1 3 A Board 3 5 1C 2C 3C 4C 5C 6C 8C 7C 1B 2B 3B 4B 5B 6B 7B 27 TX 21RX25R...

Page 28: ...5 1 4 A Board 4 5 1D 2D 3D 4D 5D 7D 8D 9D 6D 1C 2C 3C 4C 5C 6C 8C 7C 28 TX 21RX25R...

Page 29: ...5 1 5 A Board 5 5 1D 2D 3D 4D 5D 7D 8D 9D 6D 29 TX 21RX25R...

Page 30: ...5 2 L Board 5 2 1 L Board 1 3 1A 2A 3A 4A 5A 30 TX 21RX25R...

Page 31: ...5 2 2 L Board 2 3 1B 2B 3B 4B 1A 2A 3A 4A 5A 31 TX 21RX25R...

Page 32: ...5 2 3 L Board 3 3 1B 2B 3B 4B 32 TX 21RX25R...

Page 33: ...5 3 V Board 5 3 1 V Board 1 2 1A 2A 3A 4A 33 TX 21RX25R...

Page 34: ...5 3 2 V Board 2 2 1A 2A 3A 4A 34 TX 21RX25R...

Page 35: ...5 4 PP Board 5 4 1 PP Board 1 2 1A 2A 3A 5A 4A 6A 7A 8A 35 TX 21RX25R...

Page 36: ...5 4 2 PP Board 2 2 1A 2A 3A 5A 4A 6A 7A 8A 36 TX 21RX25R...

Page 37: ...5 5 G Board 5 5 1 G Board 1 2 1A 2A 3A 4A 5A 6A 7A 8A 9A 37 TX 21RX25R...

Page 38: ...5 5 2 G Board 2 2 1A 2A 3A 4A 5A 6A 7A 8A 9A 38 TX 21RX25R...

Page 39: ...5 6 K Board 5 6 1 K Board 39 TX 21RX25R...

Page 40: ...5 7 P Board 5 7 1 P Board 40 TX 21RX25R...

Page 41: ...5 8 SW Board 5 8 1 SW Board 1 2 1A 2A 3A 41 TX 21RX25R...

Page 42: ...5 8 2 SW Board 2 2 1A 2A 3A 42 TX 21RX25R...

Page 43: ...6 Parts Locations 6 1 Packing Exploded View A 43 TX 21RX25R...

Page 44: ...6 2 Packing Exploded View B 44 TX 21RX25R...

Page 45: ...6 3 Parts Locations 45 TX 21RX25R...

Page 46: ...F1H103ZF C 0 01 F Z 50 V Type Allowance C Carbon C 0 25 pF F Electrolytic D 0 5 pF P Polyester Polypropylene F G 1 pF 3 S Tantalum J 5 K 10 L 15 M 20 P 100 0 Z 80 20 7 Replacement Parts List Note Prin...

Page 47: ...rt No Part Name Description Remarks C2322 F1J1H102A018 E 1000UF 50V C2325 F2A1C470A310 E 47UF 16V C2326 F2A1C470A310 E 47UF 16V C253 ECA1HEN2R2B E 1000UF 50V C254 F1J1H102A018 E 1000UF 50V C257 ECA1HE...

Page 48: ...9 P 0 047UF J 400V C859 ECKW3D821KBP C 820PF K 2KV C863 F2A1C471A339 E 470UF 16V C865 ECKW3D331JBP C 330PF J 2KV C867 F2A2C2210013 E 220UF 160V C869 F1J1E563A003 C 0 056UF 25V C870 F2A1C472A260 E 4700...

Page 49: ...L842 J0JKA0000025 BEAD CORE L845 J0JKA0000023 BEAD CORE L865 J0JKA0000025 BEAD CORE L866 J0JKA0000023 BEAD CORE L867 J0JKB0000039 EMI FILTER L894 G0A220GA0002 CHOKE COIL TRANSISTORS Q1060 2SD0601A0L...

Page 50: ...ERJ3GEYJ183 M 18KOHM J 1 16W R416 ERX2SJR56E M 0 56OHM J 2W R451 ERJ3GEYJ223 M 22KOHM J 1 16W R453 ERJ3GEYJ101 M 100OHM J 1 16W Ref No Part No Part Name Description Remarks R501 ERJ3GEYJ273 M 27KOHM J...

Page 51: ...1KA06BA0055 CONNECTOR G20 K1KA02BA0055 CONNECTOR JA10 ERJ6GEY0R00 M 0OHM J 1 10W JA11 ERJ6GEY0R00 M 0OHM J 1 10W JA12 ERJ6GEY0R00 M 0OHM J 1 10W JA13 ERJ6GEY0R00 M 0OHM J 1 10W JA16 ERJ6GEY0R00 M 0OHM...

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