Samsung TXK2554 Service Manual Download

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ASSY-PCB,MAIN(OPT)

A/MAIN AA94-02635A ASSY-PCB,MAIN(OPT),KS2A,25,TXK2566

...3

02VER

AA41-00132C PCB;CT21A8,FR-1,1L,C,1.6T,330x245,

..2

A/MAIN (AIM) AA94-02635A-AASSY-PCB,MAIN(COM);KS2A,25,TXK2566

..2

C/WIRE1 AA65-30105B CLAMP-WIRE;NYLON 66,V2,NTR,25MM,ALL MODE

...3

C102

2401-002463

C-ELECTROLYTIC;CE04WTAPG16V470M-M(SG)-VE

...3

C103

2301-000383

C-FILM,PEF;10nF,5%,50V,TP,6x7x3.2mm,5mm

...3

C104

2401-001363

C-AL;470UF,20%,16V,GP,TP,10X12

C105

2301-000383

C-FILM,PEF;10nF,5%,50V,TP,6x7x3.2mm,5mm

...3

C106

2401-000603

C-AL;1UF,20%,50V,GP,5X11MM,5MM

...3

C115

2202-000121

C-CERAMIC,MLC-AXIAL;100PF,10%,

C116

2202-000121

C-CERAMIC,MLC-AXIAL;100PF,10%,

C201

2401-001914

C-AL;1uF,20%,50V,BP,TP,5x11,5

C202

2401-001840

C-AL;100UF,20%,16V,GP,TP,6.3X1

...3

C211

2202-000796

C-CERAMIC,MLC-AXIAL;1NF,10%,50

...3

C212

2301-000224

C-FILM,PEF;22NF,5%,50V,7.4X3.9

...3

C213

2301-000247

C-FILM,PEF;33NF,5%,50V,8.1X4.5

...3

C214

2305-000665

C-FILM;104J, 60V,5MM TAPING

...3

C215

2401-002235

C-ELECTROLYTIC;CE04W(T)16V10M

C216

2305-000665

C-FILM;104J, 60V,5MM TAPING

...3

C217

2401-001026

C-AL;3.3UF,20%,50V,GP,5X11MM,5

...3

C218

2202-002037

C-CERAMIC,MLC-AXIAL;100NF,+80-20

C219

2202-002037

C-CERAMIC,MLC-AXIAL;100NF,+80-20

C220

2202-002037

C-CERAMIC,MLC-AXIAL;100NF,+80-20

C221

2202-002037

C-CERAMIC,MLC-AXIAL;100NF,+80-20

C222

2202-002037

C-CERAMIC,MLC-AXIAL;100NF,+80-20

C223

2202-002037

C-CERAMIC,MLC-AXIAL;100NF,+80-20

...3

C224

2201-002031

C-CERAMIC,DISC;5pF,0.25pF,50V,NPO,TP,5x3

C225

2201-002031

C-CERAMIC,DISC;5pF,0.25pF,50V,NPO,TP,5x3

...3

C228

2301-000356

C-FILM,PEF;47nF,5%,50V,TP,7.5x4.0x6.5,5m

C229

2401-002235

C-ELECTROLYTIC;CE04W(T)16V10M

C231

2401-002235

C-ELECTROLYTIC;CE04W(T)16V10M

C232

2202-002037

C-CERAMIC,MLC-AXIAL;100NF,+80-20

...3

C233

2305-000412

C-FILM,MPEF;470NF,5%,63V,-,5MM

C234

2305-000412

C-FILM,MPEF;470NF,5%,63V,-,5MM

C235

2305-000412

C-FILM,MPEF;470NF,5%,63V,-,5MM

C236

2305-000412

C-FILM,MPEF;470NF,5%,63V,-,5MM

...3

C237

2401-000914

C-AL;22UF,20%,16V,GP,5X11,5,TP

C239

2401-000603

C-AL;1UF,20%,50V,GP,5X11MM,5MM

...3

C242

2301-000310

C-FILM,PEF;68NF,5%,50V,8.0X8.5

C243

2202-000121

C-CERAMIC,MLC-AXIAL;100PF,10%,

C244

2202-000121

C-CERAMIC,MLC-AXIAL;100PF,10%,

C245

2202-000121

C-CERAMIC,MLC-AXIAL;100PF,10%,

...3

C247

2001-000362

R-CARBON;150OHM,5%,1/8W,AA,TP,

C301

2401-000603

C-AL;1UF,20%,50V,GP,5X11MM,5MM

...3

C302

2401-000326

C-AL;100UF,20%,35V,GP,8X11MM,5

C303

2201-002031

C-CERAMIC,DISC;5pF,0.25pF,50V,NPO,TP,5x3

...3

C304

2305-000285

C-FILM,MPEF;220NF,5%,100V,-,5M

...3

C305

2305-000178

C-FILM,MPEF;10NF,5%,100V,-,5MM

...3

C306

2301-000342

C-FILM,PEF;2.2nF,5%,50V,TP,7.4x3.9x13mm,

...3

C307

2401-000360

C-AL;100UF,20%,50V,GP,8X11MM,5

C308

2305-000665

C-FILM;104J, 60V,5MM TAPING

...3

C401

2201-000556

C-CERAMIC,DISC;470PF,10%,500V,

...3

C402

2401-001397

C-AL;470UF,20%,25V,GP,10X16MM,

C403

2201-000556

C-CERAMIC,DISC;470PF,10%,500V,

C404

2401-001397

C-AL;470UF,20%,25V,GP,10X16MM,

..2

C407

2301-001338

C-FILM,MPE,PPF0.68nF,5%,1.6kV,TP,28x7x1

...3

C408

2305-000382

C-FILM,MPEF;4.7NF,5%,400V,TP,-,5MM.

C412

2305-000178

C-FILM,MPEF;10NF,5%,100V,-,5MM

...3

C414

2401-002597

C-AL;220uF,20%,35V,GP,TP,10x12.5,5

...3

C420

2301-001065

C-FILM,MPPF;47NF,55,630V,TP,19

C421

2201-000556

C-CERAMIC,DISC;470PF,10%,500V,

...3

C422

2401-001527

C-AL;47UF,20%,250V,HR,13X25MM,

...3

C424

2201-000132

C-CERAMIC,DISC;100PF,10%,500V,Y5P,6X3MM,

...3

C427

2401-002267

C-AL;2.2UF,20%,250V,GP,8X12MM,

...3

C504

2305-000704

C-M,POLYESTER;CFS922MTAPG250V1

...3

C505

2201-000599

C-CERAMIC,DISC;560PF,10%,500V,

C506

2305-000704

C-M,POLYESTER;CFS922MTAPG250V1

C507

2201-000599

C-CERAMIC,DISC;560PF,10%,500V,

C508

2305-000704

C-M,POLYESTER;CFS922MTAPG250V1

C509

2201-000599

C-CERAMIC,DISC;560PF,10%,500V,

...3

C511

2401-000493

C-AL;10UF,20%,50V,WT,5X11MM,5M

C512

2401-000914

C-AL;22UF,20%,16V,GP,5X11,5,TP

C513

2301-000192

C-FILM,PEF;1NF,5%,50V,5.3X10MM

...3

C514

2401-000430

C-ELECTROLYTIC;CE04WTAPG250V10

...3

C515

2401-001232

C-AL;4.7UF,20%,250V,GP,10X12.5

...3

C516

2201-002063

C-CERAMIC,DISC;10nF,+80-20%,3KV,Y5V,TP,1

C605

2305-000665

C-FILM;104J, 60V,5MM TAPING

C607

2202-000796

C-CERAMIC,MLC-AXIAL;1NF,10%,50

C608

2202-000796

C-CERAMIC,MLC-AXIAL;1NF,10%,50

...3

C609

2401-001840

C-AL;100UF,20%,16V,GP,TP,6.3X1

...3

C610

2301-000314

C-FILM,PEF;8.2NF,5%,50V,6.5X3.

C611

2301-000314

C-FILM,PEF;8.2NF,5%,50V,6.5X3.

...3

C612

2401-001914

C-AL;1uF,20%,50V,BP,TP,5x11,5

C613

2401-001914

C-AL;1uF,20%,50V,BP,TP,5x11,5

C617

2401-000493

C-AL;10UF,20%,50V,WT,5X11MM,5M

C620

2305-000665

C-FILM;104J, 60V,5MM TAPING

...3

C621

2401-001998

C-AL;1000UF,20%,25V,GP,TP,10X20

...3

C622

2401-001989

C-AL;4.7uF,20%,50V,BP,TP,5x11,5

C625

2401-001989

C-AL;4.7uF,20%,50V,BP,TP,5x11,5

C626

2401-001989

C-AL;4.7uF,20%,50V,BP,TP,5x11,5

C628

2401-001989

C-AL;4.7uF,20%,50V,BP,TP,5x11,5

C630

2401-002235

C-ELECTROLYTIC;CE04W(T)16V10M

C631

2401-002235

C-ELECTROLYTIC;CE04W(T)16V10M

...3

C632

2202-000806

C-CERAMIC,MLC-AXIAL;220pF,10%,50V,Y5P,TP

C634

2401-001840

C-AL;100UF,20%,16V,GP,TP,6.3X1

C635

2305-000665

C-FILM;104J, 60V,5MM TAPING

C636

2401-001026

C-AL;3.3UF,20%,50V,GP,5X11MM,5

...3

C637

2401-000027

C-AL;4.7UF,20%,50V,GP,5*11MM,5MEA

...3

C638

2202-000231

C-CERAMIC,MLC-AXIAL;330PF,10%,50V,Y5P,3.

C639

2202-000231

C-CERAMIC,MLC-AXIAL;330PF,10%,50V,Y5P,3.

C640

2401-000027

C-AL;4.7UF,20%,50V,GP,5*11MM,5MEA

C641

2401-000027

C-AL;4.7UF,20%,50V,GP,5*11MM,5MEA

C643

2401-000027

C-AL;4.7UF,20%,50V,GP,5*11MM,5MEA

C645

2401-002235

C-ELECTROLYTIC;CE04W(T)16V10M

C646

2305-000665

C-FILM;104J, 60V,5MM TAPING

...3

C647

2202-000286

C-CERAMIC,MLC-AXIAL;56PF,5%,50

C648

2401-001989

C-AL;4.7uF,20%,50V,BP,TP,5x11,5

...3

C650

2201-000558

C-CERAMIC,DISC;470PF,10%,50V,Y

C652

2401-001840

C-AL;100UF,20%,16V,GP,TP,6.3X1

C654

2202-000286

C-CERAMIC,MLC-AXIAL;56PF,5%,50

...3

C656

2201-000304

C-CERAMIC,DISC0.001nF,0.25pF,50V,NP0,TP

C657

2201-000304

C-CERAMIC,DISC0.001nF,0.25pF,50V,NP0,TP

C660

2401-001840

C-AL;100UF,20%,16V,GP,TP,6.3X1

C803

2301-000356

C-FILM,PEF;47nF,5%,50V,TP,7.5x4.0x6.5,5m

...3

C804

2201-000332

C-CERAMIC,AC;CK45PTAPGE250V222

C805

2201-000332

C-CERAMIC,AC;CK45PTAPGE250V222

..2

C806

2401-001387

C-AL;470uF,20%,250V,GP,BK,25.4x40,1

...3

C807

2301-001342

C-FILM,PPF;1.5nF,5%,800V,TP,15x6.5x11.5m

...3

C808

2401-002300

C-ELECTROLYTIC;CE04WTAPG50V47U

C809

2301-000356

C-FILM,PEF;47nF,5%,50V,TP,7.5x4.0x6.5,5m

C811

2301-000310

C-FILM,PEF;68NF,5%,50V,8.0X8.5

...3

C814

2201-000991

C-CERAMIC,HIC;CK45(T)B2KV561-K

..2

C815

2401-003026

C-AL;330UF,20%,200V,GP,ST,22X3

...3

C816

2401-000293

C-ELECTROLYTIC;CE04WTAPG200V10

C817

2201-000599

C-CERAMIC,DISC;560PF,10%,500V,

...3

C818

2401-000722

C-AL;2200uF,20%,25V,WT,TP,16x25,7.5

C819

2201-000599

C-CERAMIC,DISC;560PF,10%,500V,

...3

C820

2401-001054

C-AL;3300UF,20%,25V,GP,18X26MM,7.5M

...3

C821

2301-000192

C-FILM,PEF;1NF,5%,50V,5.3X10MM

C822

2201-000599

C-CERAMIC,DISC;560PF,10%,500V,

C823

2305-000665

C-FILM;104J, 60V,5MM TAPING

...3

C825

2306-000122

C-FILM,MPPF;100NF,5%,50V,7.3X4

C826

2401-001363

C-AL;470UF,20%,16V,GP,TP,10X12

C827

2401-002235

C-ELECTROLYTIC;CE04W(T)16V10M

C829

2305-000665

C-FILM;104J, 60V,5MM TAPING

C831

2305-000665

C-FILM;104J, 60V,5MM TAPING

Electrical Parts List

7-8

Samsung Electronics

Level Loc. No. Code No.

Description ; Specification

Remark

Level Loc. No. Code No.

Description ; Specification

Remark

7-5 TXK2566X/XAA, TXK2566X/XAC

Summary of Contents for TXK2554

Page 1: ...0X XAC TXK2554X XAC TXK2566X XAC TXK2567X XAC COLOR TELEVISION RECEIVER CONTENTS Precautions Reference Information Specifications Alignment and Adjustments Troubleshooting Exploded Views and Parts List Electrical Parts List Block Diagrams Wiring Diagram Schematic Diagrams 1 2 3 4 5 6 7 8 9 10 ...

Page 2: ...ELECTRONICS Samsung Electronics Co Ltd OCT 2000 Printed in Korea 3KS2A N 2507 ...

Page 3: ...ets metal cabinets screwheads and control shafts The current measured should not exceed 0 5 milliamp Reverse the power plug prongs in the AC outlet and repeat the test Fig 1 1 AC Leakage Test 6 Antenna Cold Check With the unit s AC plug disconnected from the AC source connect an electrical jumper across the two AC prongs Connect one lead of the ohmmeter to an AC prong Connect the other lead to the...

Page 4: ...at appear to have overheated or that are otherwise damaged should be replaced with parts that meet the original specifications Always determine the cause of damage or overheating and correct any potential hazards 15 Observe the original lead dress especially near the following areas Antenna wiring sharp edges and especially the AC and high voltage power supplies Always inspect for pinched out of p...

Page 5: ...ssible conductive parts examples metal panels input terminals and earphone jacks 6 Insulation Checking Procedure Disconnect the power cord from the AC source and turn the power switch ON Connect an insulation resistance meter 500V to the blades of the AC plug The insulation resistance between each blade of the AC plug and accessible conductive parts see above should be greater than 1 megohm 7 Neve...

Page 6: ...trical charges that damage ESDs 5 Use only a grounded tip soldering iron when soldering or unsoldering ESDs 6 Use only an anti static solder removal device Many solder removal devices are not rated as anti static these can accumulate sufficient electrical charge to damage ESDs 7 Do not remove a replacement ESD from its protective package until you are ready to install it Most replacement ESDs are ...

Page 7: ...rtz Hour Inches Per Second Kilowatt hour Kilogram Kilohertz Kilohm Kilometer Kilometer Per Hour Kilovolt Kilovolt ampere Kilowatt Liter Megahertz MV MW MΩ m µA µF µH µm µs µW mA mg mH mI mm ms mV nF Ω pF Ib rpm rps s V VA W Wh Megavolt Megawatt Megohm Meter Microampere Microfarad Microhenry Micrometer Microsecond Microwatt Milliampere Milligram Millihenry Milliliter Millimeter Millisecond Millivol...

Page 8: ...afe Ground Green Y High High Frequency High Fidelity Inductance Capacitance Integrated Circuit Intermediate Frequency I O L L LED LF MOSFET MTS NAB NEC NTSC OSD PCB PLL PWM QIF R RC RF R Y SAP SAW SIF SMPS S N SW TP TTL TV UHF UL UV VCD VCO VCXO VHF VIF VR VTR VTVM TR Input output Left Low Light Emitting Diode Low Frequency Metal Oxide Semiconductor Field Effect Tr Multi channel Television Sound N...

Page 9: ...P3440D SDA555X KS24L161 TDA7297 DRGB001 LA7845 KSD5703 FMP 3FU KA393 IRF620 3S1265R RBV606 PC123Y KA78R05 FML G12S FMG G26S KA7806 KA78R08 KA78RM33 KIA7025AP 2N7000 TCPN3081PA09A S FML G12S DESCRIPTION Video Processor NTSC Sound Processor MICOM Caption MTP EEPROM Audio AMP RGB Drive AMP Hybrid IC Vertical IC Horizontal Drive IC E W Drive IC SPS Controllor Bridge Diode Photo Coupler 5V Controlled R...

Page 10: ... NO IC501 IC502 IC503 QF04 QF05 ICS01 ICP01 SPEC TDA6101Q 2SC2344 2SA1011 TEA6425 SDA9388X REMARK Option Option Option BOARD CRT V S W PIP Reference Information NO 2 3 4 SPEC VDP3108B VDP3130Y FUNCTION Basic 1H Comb Filter 2H Comb Filter DVD Input REMARK Table 2 3 1 VIDEO IC SPEC TDA7297 TDA7266S FUNCTION 7W x 2CH 10W x 2CH 3W x 2CH 5W x 2CH REMARK Table 2 3 2 SOUND AMP ...

Page 11: ...ound Output Effect Jacks Front AV2 Back NTSC M PAL N M 160W Applied When 29 Flat Free Volts 100V 240Volts Free Voltage 50 60Hz 15W x 2CH 10W x 2CH 5W x 2CH Vitual Dolby Turbo Sound Pseudo Stereo RCA Input S VHS Head Phone 2 AV Input DVD Input YPbPr AV2 Monitor Audio Output S VHS 75ohms Coaxial Cable Not Present R815 Option Option Option Option Option Option Option Option ...

Page 12: ...3 2 Samsung Electronics MEMO ...

Page 13: ...rmer 4 2 Automatic Degaussing A degaussing coil is mounted around the picture tube so that external degaussing after moving the TV should be unnecessary But the receiver must be properly degaussed upon installation The degaussing coil operates for about 1 second after the power is switched ON If the set is moved or turned in a different direction the power should be OFF for at least 10 minutes If ...

Page 14: ... Turn the SCREEN VR until MRCR G B and MRWDG are green and those value are about 100 The incorrect SCREEN Voltage may result that MRCR G B and MRWDG should be red INCH CRT 14 SDI 15PF SDI 21 1 7R SDI 20V 10 0R SDI 21PF TSB 21PF LG 21PF SDI 25PF SDI 27V 1 3R SDI 27V 1 0R SDI 25V 1 0R SDI 23V 1 3R SDI No 1 2 3 4 5 6 7 8 9 10 11 12 IBRM 205 220 220 205 220 230 220 210 210 210 210 205 WDRV 35 35 35 35...

Page 15: ...oshiba pattern 1 Select STANDARD from the menu 2 Input an 100 White pattern 3 Enter the Service Mode Refer to 4 8 Service Mode 4 Warm up the TV set at least for 30 minutes 5 Input a Toshiba pattern signal 6 Enter the Video Adjust1 Adjust Sub Contrast so that Y luminance becomes 65 ft 3 Use Red Drive and Blue Drive to adjust High Light x 265 y 265 Adjust Sub Bright so that Y luminance becomes 1 2ft...

Page 16: ...to move the cursor in the adjustment parameters Note When CRT CRT PCB FBT E 2 PROM sometimes MICOM is replaced the adjustment values should be controlled After the Service adjustment is completed Do not select Reset in the service mode menu After above procedure is done power is on initially and the Plug and Play will be operated PICTURE OFF PICTURE ON MUTE 1 8 2 4 8 1 Service Mode These hexa digi...

Page 17: ... 0 PIP TINT PIP TINT FIX 0 0 0 0 0 0 PIP PAL V POS FIX 12 12 12 12 12 12 PIP NTSC V POS FIX 12 12 12 12 12 12 PIP H POS PIP H POS FIX 12 12 12 12 12 12 27V 1 3R 23V 1 3R 25V 1R 27V 1R 20V 1R 15 FLAT TXK2767 CL25D4W TXK2550 TXK2554 TXK2566 TXK2567 CL663BW TXK2750 TXK2754 TXK2060 TXK2066 TXK2067 CT 15A8 VIDEO ADJUST1 INIT RED CUT OFF 127 Control 127 127 127 127 127 127 GREEN CUT OFF 127 FIX 127 127 ...

Page 18: ...lignment and Adjustments 4 6 Samsung Electronics 4 8 2 B SCREEN CHANGE I2C BUS GEOMETRIC ADJUSTMENT 9 H Symmetry 5 H Corner 8 H Trapizium 4 H Parabola 10 H Shift 6 V Amp 3 H EW 2 1 V Shift V Slope 7 V SC ...

Page 19: ... SUB CONTRAST 52 Control 52 52 52 52 52 52 SUB COLOR SUB COLOR 27 FIX 50 50 50 50 50 67 SUB TINT SUB TINT 30 FIX 70 70 70 70 30 15 BCL THRESHOLD BCL THRESHOLD 62 FIX 60 54 58 58 70 40 BCLGAIN 8 FIX 8 8 8 8 8 8 BCL TIME 13 FIX 10 10 10 10 10 13 DVD SUB TINT 90 FIX 100 100 100 100 100 120 N YC DELAY 0 FIX 3 3 3 3 3 4 27V 1 3R 23V 1 3R 25V 1R 27V 1R 20V 1R 15 FLAT TXK2767 CL25D4W TXK2550 TXK2554 TXK2...

Page 20: ... EHT HORIZONTAL FIX 0 0 0 0 0 0 INCH Model 27V 1 3R 23V 1 3R 25V 1R 25V 1R 27V 1R 27V 1R 20V 1R 20V 1R 15 FLAT 15 FLAT TXK2767 CL25D4W TXK2550 TXK2554 TXK2566 TXK2567 CL663BW TXK2750 TXK2754 TXK2060 TXK2066 TXK2067 CT 15A8 CT 15A8 VIDEO ADJUST3 INIT PEAK WHITE LIMLT PEAK WHITE LIMLT 255 FIX 255 255 255 255 255 255 SOFT LIMIT SLOPE B SOFT LIMIT SLOPE B 4 FIX 4 4 4 4 4 4 HARD LIMIT HARD LIMIT 255 FI...

Page 21: ... 3R 23V 1 3R 25V 1R 27V 1R 20V 1R 15 FLAT TXK2767 CL25D4W TXK2550 TXK2554 TXK2566 TXK2567 CL663BW TXK2750 TXK2754 TXK2060 TXK2066 TXK2067 CT 15A8 G2 Adjust MRC R G B Max 110 110 110 110 110 110 MRWDG 110 110 110 110 110 110 IBRM FIX 210 205 210 210 205 220 WDRV FIX 35 35 35 35 35 35 CDL FIX 170 120 150 150 115 180 COL MIN 150 140 150 150 120 100 INCH Model INCH Model WHITE BALANCE INIT 4 8 2 G G2 ...

Page 22: ...DVD SUB TINT 90 FIX 25 25 25 25 N YC DELAY 0 FIX 3 4 4 4 SIM 408A USA LATIN FACTORY VDP IC VDP3130Y INCH Model INCH INCH MODEL MODEL 4 8 3 A GEOMETRIC ADJUSTMENT VALUE 27V 1 3R 15 FLAT 21 FLAT 25 FLAT TXK2768 CL15A8 CL21A8 CL25A6 DEFLECTION INIT H Bow FIX 0 0 0 0 H Angle FIX 0 0 0 0 H Dscc FIX 3 2 2 3 V SHIFT 40 Control 27 35 27 50 V AMP 5 Control 50 20 6 15 V SLOPE 2 Control 7 4 6 2 V SC 7 FIX 6 ...

Page 23: ...ITY CORING 2 FIX 2 10 10 10 ACC REF 20 FIX 20 20 20 20 ACCR 21 FIX 21 21 21 21 INCH INCH Model Model INCH Model 4 8 2 D VIDEO 3 ADJUST 27V 1 3R 15 FLAT 21 FLAT 25 FLAT TXK2768 CL15A8 CL21A8 CL25A6 VIDEO ADJUST2 INIT B STRETCH BTHR 50 FIX 50 50 50 50 B DTRETCH BTLT 8 FIX 8 8 8 8 B STERTCH BAM 4 FIX 4 4 4 4 CORING 31 FIX 31 31 31 31 NTSC COMB FILTER 1 FIX 3 3 3 3 RGB BRIGHT 0 FIX 0 0 0 0 RG B CONTRA...

Page 24: ...R G B Max 110 110 110 110 MRWDG 110 110 110 110 IBRM FIX 210 220 220 210 WDRV FIX 35 35 35 35 CDL FIX 170 180 180 160 COL MIN 150 100 65 120 WHITE BALANCE WHITE BALANCE INCH Model INCH INCH Model Model 4 8 3 F G2 2 ADJUST 27V 1 3R 15 FLAT 21 FLAT 25 FLAT TXK2768 CL15A8 CL21A8 CL25A6 OTHERS INIT VSU 108 FIX 108 110 100 108 VSU2 0 FIX 0 0 0 0 H QE W 0 FIX 0 0 0 0 H ZOOM Parabola 8 FIX 22 8 8 12 H 16...

Page 25: ...ADC ADC I O I O I O I O I O I O PWM I O I O I O S D A 5 5 5 X Write Protect EEPROM SDA EEPROM SCL Bus Stop Main SDA Main SCL Sound Reset Video Reset VDD 2 5V GND VDD 3 3V CVBS Input VDD 2 5V GND AFT Scart1 Ident Scart2 Ident Key 1 H Sync V Sync Key 3 Key 2 X Ray Protect IR Input Stand By LED Time LED Tilt N C Power Sound Mute N C N C PX Y PX Y VDD 3 3V GND VDD 2 5V CORE OSD B OSD G OSD R VDD 2 5V ...

Page 26: ...t Vertical Sync Input Key3 Input Key2 Input X Ray Protection Remocon Signal Input LED Drive Output Red LED Drive Output Green PIN NO 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 FUNCTION I O I O I O I O I O I O I O I O Vdd GND Vdd CVBS Vdd GND ADC ADC ADC ADC HS VS I O I O I O I O I O I O ASSIGN Write Protect ROM SDA ROM SCL Bus Stop Main SDA Main SCL Sound Reset Video Rese...

Page 27: ... PX Y PX Y S Mute Power IN OUT Out In In Out Out Out Out Out In Out Out Out ACTIVE H L Low Low 6MHz 6MHz High Low DESCRIPTION Activate Degausssing Coil Not Used Programmed Gound Level Analog Ground Not Used Programmed Gound Level Not Used Programmed Gound Level Micom Hardware Reset Crystal Oscillation Input Crystal Oscillation Output Analog Ground Analog B OSD TTX Output Red OSD TTX Output Green O...

Page 28: ...4 16 Samsung Electronics MEMO ...

Page 29: ...eck IC901 Pin LED ON LED OFF Check IC901 Pin Check the voltage of IC803 805 Check H OUT of IC201 Pin Check IC908 and Replace IC901 Replace IC201 Check the voltage of IC803 805 Check Q401 and Horizontal Circuit Check FBT and B 130V Check IC902 Check SCL SDA Line Normal Normal Normal Normal Normal Replace IC902 Replace Q909 Q910 Check IC803 Check IC803 Check the voltage of IC804 Check the resistance...

Page 30: ...09 Q213 Q206 Q208 Q210 63 Check Fusible Resistance Check voltage of heater Check CRT and FBT Check the signal output from IC201 Pin Check R G B Signal input to CRT PCB Check R G B Signal Output from IC201 Check Check tuner B and Main CVBS Normal Normal Check Replace IC201 Normal Normal Check B 200V 16V Check Q501 and re adjust Screen Voltage Check the fusible resistance of abnormal volatge line Ab...

Page 31: ... Normal Abnormal Abnormal Check Speaker and Wire Check the signal input to IC601 Pin Check the signal input to IC602 pins Check IC602 B Replace IC602 Check Replace the resistance of FD802 Check tuner B and SIF Check IC601 B Check B Line 8V Check Replace IC601 Normal Normal Abnormal Abnormal Abnormal Normal Normal ...

Page 32: ...rizontal Lines Appear on screen Horizontal Lines Apper on screen Check IC201 Check IC301 B 16V 16V Check B Line and the fusible resistance of R425 424 Check the VDP Signal output from IC201 31 Pin Check Replace IC301 Normal Normal Abnormal Abnormal ...

Page 33: ... 4 1 5 3001 001038 SPEAKER 6W 16OHM 92DB 140HZ 2 1 6 AA61 40113A STOPPER PCB ABS HB NTR 1 1 7 AA64 40525A INDICATOR LED ACRYLCLR 1 1 8 AA64 40524A WINDOW REMOTE PCVIOLET 1 1 9 AA64 10803A KNOB CONTROL ABSHBBLK 1 2 AA03 00157A CRT COLOR A63QDB891X 380MG SAMSUNG 1 2 1 AA65 30107A CLAMP DCOIL NYLON 66 V2 NTR 20 22 4 2 2 AA60 10050R SCREW ASSY WC HH M5 L31 5 SWR 4 2 3 3704 001105 SOCKET CRT 11P 20PI 2...

Page 34: ...ALL MOD S N A 2 AA65 30018A CLAMP WIRE NYLON 66 DATL 600 DONG A S N A 2 AA65 30009A CLAMP FBT ABS V0 BLK S N A 2 AA27 20001W COIL DEGAUSSING 25 7 5ohm 33T L2800 E ASSY SPEAKER 1 AA96 00529AASSY SPEAKER 16ohm 3W 3001 000003 2 3001 000003 SPEAKER 3W 16ohm 88dB 180 36Hz 2 AA39 00102M LEAD CONNECTOR ASSY 4P 35155 ASSY PCB A V FRONT 1 AA95 00887AASSY PCB A V FRONT DP TXK2554C XAA KS2A 2 AA39 20068E LEA...

Page 35: ... CX802S 2306 000318 C FILM MPPF 220nF 20 250V TP 22 5mm 4 CY802S 2201 000446 C CERAMIC DISC 3 3nF 20 400V Y5U TP 15x 4 D813 0402 000233 DIODE RECTIFIER FML G12S 200V 5A 4 FP801S 3601 001012 FUSE 250V 4A SLOW BLOW GLASS 5 2x20 4 IC201S 1204 001633 IC VIDEO PROCESS VDP3112B C3 DIP 64P 709 4 IC301 AA96 50406A ASSY H S AA62 30180K LA7845 5 0205 000129 GREASE SILICON SC102 JAPAN S N A 5 1204 000517 IC ...

Page 36: ...DISC 0 56nF 10 500V Y5P TP 5 5 C818 2401 000722 C AL 2200uF 20 25V WT TP 16x25 7 5 5 C819 2201 000599 C CERAMIC DISC 0 56nF 10 500V Y5P TP 5 5 C820 2401 001054 C AL 3300uF 20 25V GP TP 18x25 7 5 5 C821 2301 000192 C FILM PEF 1nF 5 50V TP 5 3x10mm 5mm 5 C822 2201 000599 C CERAMIC DISC 0 56nF 10 500V Y5P TP 5 5 C823 2305 000665 C FILM MPEF 100nF 5 63V TP 7 5x4 0x5 0m 5 C825 2306 000122 C FILM MPPF 1...

Page 37: ...14 INDUCTOR AXIAL 10uH 10 2 5x3 4mm 5 Q201 0501 000389 TR SMALL SIGNAL KSC815 NPN 400mW TO 92 T 5 Q202 0501 000389 TR SMALL SIGNAL KSC815 NPN 400mW TO 92 T 5 Q203 0501 000389 TR SMALL SIGNAL KSC815 NPN 400mW TO 92 T 5 Q204 0501 000389 TR SMALL SIGNAL KSC815 NPN 400mW TO 92 T 5 Q206 0501 000283 TR SMALL SIGNAL KSA539 PNP 400mW TO 92 T 5 Q207 0501 000389 TR SMALL SIGNAL KSC815 NPN 400mW TO 92 T 5 Q2...

Page 38: ...3 2MM 5 R610 2001 000281 R CARBON 100OHM 5 1 8W AA TP 1 8X3 2MM 5 R611 2001 000281 R CARBON 100OHM 5 1 8W AA TP 1 8X3 2MM 5 R612 2001 000281 R CARBON 100OHM 5 1 8W AA TP 1 8X3 2MM 5 R613 2001 000281 R CARBON 100OHM 5 1 8W AA TP 1 8X3 2MM 5 R614 2001 000780 R CARBON 470OHM 5 1 8W AA TP 1 8X3 2MM 5 R615 2001 000780 R CARBON 470OHM 5 1 8W AA TP 1 8X3 2MM 5 R616 2001 000780 R CARBON 470OHM 5 1 8W AA T...

Page 39: ...0766 R CARBON 43KOHM 5 1 8W AA TP 1 8X3 2MM 5 RR03S 2004 001386 R METAL S 16 9Kohm 1 1 2W AA TP 2 4x6 5 RR04S 2001 000908 R CARBON 62KOHM 5 1 8W AA TP 1 8X3 2MM 5 RR05S 2001 000947 R CARBON 7 5KOHM 5 1 8W AA TP 1 8X3 2M 5 RR06S 2001 000977 R CARBON 8 2KOHM 5 1 8W AA TP 1 8X3 2M 5 RR07S 2001 000290 R CARBON 10KOHM 5 1 8W AA TP 1 8X3 2MM 5 RR08S 2001 000429 R CARBON 1KOHM 5 1 8W AA TP 1 8X3 2MM 5 RR...

Page 40: ...l Loc No Code No Description Specification Remark Level Loc No Code No Description Specification Remark ASSY PCB MAIN OPT AA94 02636AASSY PCB MAIN OPT KS2A 25 TXK2567 AA94 02636A AASSY PCB MAIN COM KS2A 25 TXK2567 2701 000142 INDUCTOR AXIAL 1UH 10 2 5X3 3722 001458 JACK DIN 5P NI BLK ASSY ACCESSORY AA97 00708AASSY ACCESSORY CT25B3 25 KS2A SECA AA68 01185AMANUAL USERS FRE B5 W P100 G AA92 30241B1AS...

Page 41: ...201 000599 C CERAMIC DISC 560PF 10 500V C508 2305 000704 C M POLYESTER CFS922MTAPG250V1 C509 2201 000599 C CERAMIC DISC 560PF 10 500V 3 C511 2401 000493 C AL 10UF 20 50V WT 5X11MM 5M C512 2401 000914 C AL 22UF 20 16V GP 5X11 5 TP C513 2301 000192 C FILM PEF 1NF 5 50V 5 3X10MM 3 C514 2401 000430 C ELECTROLYTIC CE04WTAPG250V10 3 C515 2401 001232 C AL 4 7UF 20 250V GP 10X12 5 3 C516 2201 002063 C CER...

Page 42: ...901 0404 000156 DIODE SCHOTTKY RB441Q 10V 100MA DO 34 TP D902 0404 000156 DIODE SCHOTTKY RB441Q 10V 100MA DO 34 TP D903 0404 000156 DIODE SCHOTTKY RB441Q 10V 100MA DO 34 TP D904 0404 000156 DIODE SCHOTTKY RB441Q 10V 100MA DO 34 TP D905 0404 000156 DIODE SCHOTTKY RB441Q 10V 100MA DO 34 TP D906 0401 000005 DIODE 1N4148 100V 300mA 1V 8nS TAPING D907 0402 000132 DIODE RECTIFIER 1N4004 400V 1A DO 41 3 ...

Page 43: ...1 2001 000290 R CARBON 10KOHM 5 1 8W AA TP R212 2001 000290 R CARBON 10KOHM 5 1 8W AA TP 3 R213 2001 000734 R CARBON 4 7KOHM 5 1 8W AA TP 3 R214 2001 000008 R CARBON 15KOHM 5 1 8W AA TP 1 8X3 2MM 3 R215 2001 000522 R CARBON 22KOHM 5 1 8W AA TP R216 2001 000429 R CARBON 1Kohm 5 1 8W AA TP 1 8x3 2mm R222 2001 000429 R CARBON 1Kohm 5 1 8W AA TP 1 8x3 2mm 3 R223 2001 000628 R CARBON 300OHM 5 1 8W AA T...

Page 44: ...RBON S 47OHM 5 1 2W AA T 3 R816 2001 001088 R CARBON S 1KOHM 5 1 2W AA TP 2 4X6 4 R817 2001 001088 R CARBON S 1KOHM 5 1 2W AA TP 2 4X6 4 3 R818 2001 001113 R CARBON S 270KOHM 5 1 2W AA 3 R819 2004 001983 R METAL 2 49KOHM 1 1 2W AA TP 2 4X6 4 3 R821 2004 001889 R METAL S 127KOHM 1 1 2W AA TP 2 5X6 5 3 R822 2001 000273 R CARBON 100KOHM 5 1 8W AA TP R823 2001 000273 R CARBON 100KOHM 5 1 8W AA TP 3 R8...

Page 45: ...A65 30018A CLAMP WIRE NYLON6 6 DATL 2 F C AA64 31346A CABINET FRONT HIPSVOBLKBK708P 3 IL AA64 40525A INDICATOR LED ACRYLCLR 2 INL AV AA64 00738F INLAY AV KS2A PS SHEET BLK S T L 3 KC AA64 10803A KNOB CONTROL ABSHBBLK KC CF 6002 000514 SCREW TAPPING RH 2 M4 L15 ZP 3 KP AA64 10804A KNOB POWER ABSHBBLK 2 L SPK AA39 20111B LEAD CONNECTOR ASSY YSH025 0 2 PAV CF 6006 001095 SCREW ASS Y TAPT WP BH M4 L12...

Page 46: ...8 Block Diagrams Samsung Electronics Schematic Diagrams 8 1 8 1 Power Diagram ...

Page 47: ...8 2 Block Diagram Schematic Diagrams 8 2 Samsung Electronics ...

Page 48: ... FRONT AV PCB L R R L L R R L G R L R L VO G VI G LO RO LI RI TO SPEAKER CN06A CN01A CN05A B Out G Out R Out Sense 8V GND Bo Vo CN501B CN502B CN501A GT804 GT102 CN701 CN502A CN602 Go Lo Ro Ro Se 8V GND 16V G G G Heater NC 180V Vi Li Ri 16V G Heat NC 180 220V ...

Page 49: ...9 2 Samsung Electronics MEMO ...

Page 50: ... TP02 TP07 TP08 TP09 TP06 TP03 TP05 TP04 TP10 10 Schematic Diagrams Samsung Electronics Schematic Diagrams 10 1 10 1 MAIN 1 4 WITH EW TP07 TP08 TP09 TP10 TP01 TP02 TP03 TP04 TP05 TP06 Power Line Signal Line ...

Page 51: ...TP12 TP13 TP11 TP14 TP15 10 2 MAIN 2 4 Schematic Diagrams 10 2 Samsung Electronics Power Line Signal Line TP11 TP12 TP13 TP14 TP15 ...

Page 52: ...10 3 MAIN 3 4 Samsung Electronics Schematic Diagrams 10 3 TP16 TP18 TP17 TP19 TP20 TP21 TP22 TP23 TP24 TP25 Power Line Signal Line TP22 TP23 TP24 TP16 TP17 TP18 TP19 TP20 TP21 TP25 ...

Page 53: ...10 4 MAIN 4 4 Schematic Diagrams 10 4 Samsung Electronics TP26 TP27 TP28 TP29 TP30 TP31 TP32 TP33 TP34 TP35 Power Line Signal Line TP32 TP33 TP34 TP35 TP26 TP27 TP28 TP29 TP30 TP31 ...

Page 54: ...10 5 POWER W O EW Samsung Electronics Schematic Diagrams 10 5 ...

Page 55: ...10 6 PIP Schematic Diagrams 10 6 Samsung Electronics ...

Page 56: ...Samsung Electronics 10 7 VIDEO SWITCH Schematic Diagrams 10 7 ...

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Samsung TXK2554, Service Manual

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