Samsung CF21M Service Manual Download Page 14

Page: 14 / 76

+12V

+30V

+350V

SCREEN

+80V

17/19NS

OTHER 120

19MS/IS 120NF

19NS 180NF

OTHER 1uF

19NS 1.2uF

OTHER 470NF

19NS 680NF

17HS 560NF

Delete on 21"

HITACHI

HTC_ FBT

2SC5584

CM 5W 33ohm

19NS 82

OTHER 220K

19MS 240K

17/19NS180K

17/19NS 150K

OTHER

19MS 30M

OTHER 200K

17/19NS

OTHER 27K

OTHER OPEN

OPEN

OTHER

560pF

19MS

OTHER OPEN

ONLY 10K

17/19NS

OTHER 1ohm

105C

AN5452

KA2142

105C

17IS 150

OTHER 2.2K

17IS 2K

17/19NS 2.4K

OTHER 6.8K

17IS 6.2K
17/ 19NS 7.5K

OTHER 560

2.7mH

21" 3.5uH(BH26-00071A)

19NS 3.9uH

OTHER SB340

19NS

OTHER RG10

19NS

OTHER 100NF

19NS 82

OTHER 5.6

OTHER OPEN

17NS 10

21" JUMPER

OTHER EI-2218 2.5MH

19NS

OTHER 4.7uF

17/19NS 6.8uF

(4.99V)

(11.68V)

(7.54V)

(0.23V)

(2.49V)

(2.43V)

(1.3V)

105C

100ohm

SCREEN

FOCUS(WHT)

FOCUS(RED)

HORZ-DY

OTHER 180NF

19NS 300NF

17HS 300NF

OTHER 100NF

19MS 120NF

17HS 120NF

OTHER 2NF

OTHER 120NF

17/19/IS 100NF

17/NS 100NF

OTHER 3.5mH

OTHER 2NF

19NS 2.7NF

19NS 2.2NF

CN501

AQ19FS: DELETE

10F150S

FJL6820

105C

D510

17/19/NS 2.7mH

(TILT)

REF

VCC

OUT

GND

SENSE

CMP

CN417

slcon1p

UF4004

680PF

1KV

HS402_1
heat_sink

C515

SUPLVAL

HS402

CN416

slcon1p

L400

33uH

ZD521

UZ7.5BM

1/2W

33K

1N4148

R596

RGP02-12(T)

1N4148

D303

1/2W

D523

D598

C510

1nF

100V

500V

10nF

C598

slcon1p

15M

R597

CN415

slcon1p

100

R400

R403

CN414

C433

100nF

50V

Q521

R444

3.3

1/2W

2N3904

heat_sink

HS508

SCREEN

+80V

L403

HS509

SNAME

EY599

R598

1/4W

180K

1/2W

300K

R599

500V

10nF

L503

C599

1nF

50V

RGP02-12(T)

D599

+350V

C454

100

BH27-00027A

TIP29C

R558

H_SIZE

TIP30C

150nF

100V

Q551

C551

100

Q552

SUPLVAL

1/4W

1.2K

R402

R401

1KV

100pF

C559

HS401

470K

1/2W

R550

+30V

R525

1/4W

1.2K

47uF

50V

R524

X-RAY

H_LIN

H_SUBSIZE

C562

8.2K

1/4W

18K

1/4W

R490

R457

10K

1/8W

EY550

D478

1N4148

R468

SNAME

4.7K

1/8W

SNAME

EY440

CN421

slcon1p

EY441

SNAME

EY420

slcon1p

1/6W

12K

EYE1.5

R561

1N4148

CN420

D561

1/6W

5.1K

R560

R527

1N4148

D522

R526

56nF

100V

1/6W

6.2K

C309

100

1/8W

10K

H/V_ADJ

R531

C503

470uF

16V

R557

1/4W

470K

D501

33uH

L501

C501

56nF

100V

1N4148

50V

100nF

C507

D503

1N4148

1/6W

390K

R504

TL494CN

IC501

D532

1N4148

C509

47UF

16V

50V

10nF

C505

10nF

100V

C506

220nF

63V

C502

5.1K

1/6W

5.1K

8.2K

1/8W

R509

R506

1/8W

R505

5.6K

1/6W

R507

R502

12K

1/6W

R503

C508

47UF

16V

C504

H_DRIVE

1.5K

1/8W

R501

R409

100uF

16V

R532

SUPLVAL

HS409

R508

1.2

H_DRIVE

D505

GUR460L-5700

250V

100NF

C533

RGP02-16E

D508

UF4004

2SK2761-01MR

Q504

C530

D509

47uF

2.2uF

350V

EYE1.5

50V

C512

EY415

EYE1.5

EY503

6.8

50V

C531

3.3uF

EY504

1/4W

R511

EY301

SNAME

EY405

EY509

EYE1.5

EYE2.2

EY302

EYE1.5

1/6W

R404

220

Q401

SKS4N20

Q402

2SC5583

D402

SB540L-5705

D403

SDS10U150S

150

BD401

1.2UH,3.5_5.7MM

UF4007

R410

Q405

+29V

D405

D406

SKS10N20

1.2K

UF4007

1.2K

1/6W

1/8W

R432

R431

1.2K

R430

Q404

SKS10N20

1/6W

Q406

SKS10N20

250V

560nF

C415

500V

1NF

C410

MPS

330

1/2W

R435

R427

ABL

R425

18K

1/6W

R424

1/6W

EI-2820

1/6W

18K

T402

EY505

EY507

EYE1.5

EY508

EYE1.5

EYE2.2

EY411

EYE1.5

D401

+80V

EY502

SK530

SSG-102B2

UF4004

slcon1p

CN408

slcon1p

TCO

CN407

100V

100uF

C401

Q503

EYE1.5

EY409

2N3906

1/2W

180K

R541

1/2W

R556

1/6W

120K

R552

1/6W

4.3K

R551

4.7K

1/2W

R555

1/6W

12K

R545

1N4148

D552

D551

R553

D553

1N4148

+12V

1/4W

1.5K

SKS10N20

Q407

H_FOCUS

R429

1/6W

1.2K

18K

R426

400V

68nF

C418

C540

1/6W

Q540

1nF

1KV

R546

+12V

+350V

KSP44

C552

1/8W

2.2uF

220nF

100V

C513

350V

C408

R408

2.5KV

2nF

C409

2nF

2.5KV

KSC2316-Y

Q553

R412

1/2W

vr3

VR401

R413

18K

R428

1/8W

1.2K

R433

1/8W

SKS10N20

Q403

MPS

250V

1uF

C414

T501

2N3904

EYE1.5

Q502

EY404

SNAME

EY511

SNAME

EY501

R411

D404

UF4007

C416

75ohm

EYE1.5

MPS

250V

300nF

MPS

EY510

250V

150nF

C417

MPS

400V

120nF

C411

120nF

C413

MPS

L402

400V

T502

EE 1916(5P)

V_FLB

V_SYNC_OUT

1/4W

33K

R515

5.60NF

100V

C310

V_OUT

1uF

63V

C306

1/4W

R314

6.2K

1/4W

R302

+14V_V

1/2W

R306

Q301

KSC945-Y

-14V

D302

1N4148

8.2K

1/6W

R309

3.3K

1/6W

R310

+30V

1/6W

R311

C301

35V

220uF

C303

1000uF

16V

100

1/6W

R307

50V

1uF

C304

R308

100V

4.70NF

C305

R301

10K

1/6W

R313

15K

1/4W

C532

8.2K

1/4W

D407

2000NF

100V

C403

UF4004

T401

1nF

500V

EI-2519

EY401

EY402

SNAME

EY413

SNAME

EY403

SNAME

R547

1/8W

EY412

CN411

CN412

150

1/4W

EY506

SNAME

R315

SNAME

EY410

R305

EY408

330

1/2W

1/4W

1.5K

0.9

R303

R405

Q408

KSC945-Y

Q409

Q410

KSC945-Y

Q411

Q412

KSC945-Y

D504

1N4148

GUR460L-5700

R510

470

1/6W

D507

C404

27nF

100V

D530

R406

1/2W

-210V

RGP02-12(T)

1N4936GP

D521

2N6520

Q520

250V

15nF

C520

1SS244

D520

1/4W

R520

75K

1/4W

R521

270K

1/4W

R522

150K

+6.3V

1/2W

R523

-210V

ZD520

UZ-4.7B

C405

V_FLB

100V

330nF

C407

330nF

100V

0.33

R512

1nF

2KV

C511

IC301

D301

UF4001(T)

Vcc_L

VOUTPUT

VCC_H

GND

R304

C516

330

1/2W

HS301

220uF

100V

1/8W

heat_sink

R420

R434

1/8W

R422

R421

R423

1/8W

UF4001(T)

D408

R516

7W
CE

1.2

R407

100K

R414

1/2W

1.2

R316

1.2

1/2W

R312

D540

16V

1000uF

C308

1N4148

R460

C550

100pF

50V

1SS244

1/4W

12K

D454

1/4W

4.7K

C460

27NF

100V

18K

+12V

R461

50V

6.8uF

R462

1/4W

C450

100uF

16V

C451

1.5K

Q450

1/8W

R454

1N4148

D453

KSA733-Y

D451

D452

1N4148

R452

R451

4.7

1/4W

330K

1/6W

R456

R455

12K

1/6W

C457

330pF

100V

75K

1/6W

C453

C458

10NF

50V

680pF

50V

100nF

C459

R453

18K

1/8W

1nF

C456

876

KA3843B

100V

1N4148

IC402

D450

slcon3p

TILT

EW_OUT

R450

75K

1/6W

CN409

R440

R441

0-5v_2

0-5v_1

IC403

+12V

1/2W

Vcc2

Vcc1

GND3

GND2

GND1

AN5451

Vcc3

R668

4.7nF

100V

C452

BD532

1/6W

750

H_FLB

C467

2KV

100pF

C468

V_FOCUS

100V

1.2nF

R459

180K

R542

1/4W

24K

1/2W

470K

R543

1/2W

C514

C412

220nF

63V

680PF

1KV

3.3uF

50V

C440

HS504

EY512

EYE1.5

L502

heat_sink

100V

330nF

C406

4.7uH

C312

1uF

63V

100V

100nF

C307

100nF

50V

C302

1KV

220pF

C461

slcon4p

500V

100pF

C402

+5V

CN401

100

1/2W

R465

+210V

1/2W

R467

2.2

D456

UF5404L-5709

10NF

500V

C465

C462

250V

10uF

C466

27nF

100V

C464

1/4W

R463

Q452

33nF

250V

Q451

KSC945-Y

KSA733-Y

KSC945-Y

Q453

+12V

HIGH_VOLTAGE

+12V

1/4W

R464

25V

47uF

C463

UZ12BM

1/4W

2.7K

R466

Q454

ZD450

1.5K

1/8W

SFP9634

270K

1/4W

CF21M*

10-3

10 Schematic Diagrams

10-1-2 Main Part Schematic Diagram

Summary of Contents for CF21M

Page 1: ...NTS 1 Precautions 2 Product Specifications 3 Disassembly Reassembly 4 Alignment Adjustments 5 Troubleshooting 6 Exploded View Parts List 7 Electrical Parts List 8 Block Diagram 9 Wiring Diagram 10 Schematic Diagrams COLOR MONITOR CF21M ...

Page 2: ...Inspect all protective devices such as nonmetallic control knobs insulating materials cabinet backs adjustment and compartment covers or shields isolation resistor capacitor networks mechanical insulators etc 3 Leakage Current Hot Check Figure 1 1 WARNING Do not use an isolation transformer during this test Use a leakage current tester or a metering system that complies with American National Stan...

Page 3: ...posite sync 0 3 Vp p negative Video on Vp p positive Maximum Pixel Clock rate 280 MHz Active Display Horizontal 393 mm Vertical 294 5 mm Input Voltage AC 90 264 Volts 60 50 Hz 3 Hz Power Consumption nominal 130 Watt Dimensions W x D x H Unit Carton 19 8 x 19 4 x 20 2 Inches 504 x 492 x 508 mm 25 0 x 24 6 x 25 3 Inches 634 x 625 x 642 mm Weight Net Gross 26 1 kg 57 6 lbs 30 5 kg 67 3 lbs Environmen...

Page 4: ...Shield Remove the 9 screws on the Top Shield Cover and remove the Shield 3 1 5 Removing the Bottom Shield 1 Remove the 4 screw on the Bottom Shield Cover 2 Lift off the Bottom Shield 3 1 6 Removing the Video PCB Assembly 1 Remove the Video PCB from the CRT 2 Disconnect CN102 CN103 CN104 CN105 CN12 and CN13 on the Video PCB Assembly and Video PCB Ass y from the CRT Neck CF21M 3 1 3 Disassembly and ...

Page 5: ...y be necessary for adjustment procedures 4 1 2 a DISPLAY CONTROL ADJUSTMENT 1 Non metallic screwdriver 1 5 mm Non metallic screwdriver 3 mm 2 Philips screwdriver 1 5 mm 3 Non metallic hexkey 2 5 mm 4 Digital Multimeter DMM or Digital Voltmeter DVM 5 Signal generator or Computer with a video board that uses the ET 4000 chipset strongly recommended if using Samsung DM 200 software and that displays ...

Page 6: ...al output circuits 5 1 1 No Power Supply Check and replace FG601 D601 D701 Q701 IC601 and ZD601 Done IC601 Pin 1 waveform is right Check and replace IC601 ZD601 D606 IC701 Check and Micom IC201 Check and replace IC651 Check every IC connected to 12V Yes No Check the Voltage at C607 plus polarity point Is the Voltage 400VDC with PFC 400VDC without PFC it is different according to input voltage Chec...

Page 7: ...CF21M 6 1 6 Exploded View and Parts List ...

Page 8: ...402 001295 DIODE RECTIFIER GUR460L 5700 600V 4A DO 201AD BK D647 0402 000250 DIODE RECTIFIER RG4C 1000V 1A FG601 3601 000455 FUSE CARTRIDGE 250V 4A TIME LAG CERAMIC 5 2x20mm G2_EY599 BH39 00249C LEAD CONNECTOR ASSY CF21MS UL1032 22 UL CSA 1P RED 22 YFH800 01L YRT 018 BK 250MM 1032 22 SJ SNA H S FBT 6003 000122 SCREW TAPTITE BH B M4 L12 ZPC YEL SWRCH18 SNA HS402_CLAMP 6502 000132 CABLE CLAMP DAWS 1...

Page 9: ... SYNC H SYNC TRIGGER PWM CONTROL SWITCHING FET DP408 BNC D SUB R G B H SYNC V SYNC INPUT H SYNC V SYNC POWER OFF CONTROL VIDEO OUTPUT H_DRIVE B VOLTAGE REGULATOR KA78R12 VOLTAGE REGULATOR 33269T 5V SOG HOR VER OSC PROCESSING TDA9112 H V DRIVE DYNAMIC FOCUS HORIZONTAL FOCUS CIRCUIT H AFC HOR OUTPUT H DY HORIZONTAL REGULATION CONTROL HOR REGULATION OUTPUT PWM CONTROL BRIGHTNESS CONTROL MUTE REGULATI...

Page 10: ... GREEN GND RED Video PCB Main PCB BNC PCB GND 1 12V 2 5V 3 GND 4 NC 5 SOG_SYNC NC SOG_SYNC 6 GND 7 GND NC 8 GND 9 DDC 5V 10 H_Sync 11 V_Sync 12 DDC_CLK 13 DDC_DATA 14 S_RASTER 15 GND 16 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 GND 12V 5V GND GND GND NC GND DDC 5V H_Sync V_Sync DDC_CLK DDC_DATA S_RASTER GND 16 CN202 CN103 H_CG H_CG V_CG V_CG 1 2 3 4 N S Coil CRT TILT CONNECTOR CN409 CN501 KEY 1 1 2 3 4 ...

Page 11: ...mper DEGAUSS S1 BB USBVCC GND AQ19N ONLY GND VSYNCIN HSYNCIN TILT SOG IN 24MHZ S3 BNC DSUB Delete on 21 S RAST DETECT_12V JP586 JP698 KS24C080 H V_ADJ ABL OTHER OEM LED OSC OUT VSYNCOUT RESET SYNCMASTER S2 RESET KEY2 H SYNC OUT SCL DDC CLK JP332 JP575 JP594 Delete on 21 H_SUBSIZE JP221 JP538 JP539 JP540 JP541 JP551 JP552 JP553 JP554 AA SDA S4 X RAY USBDM USBDP Delete on CF21M S5 H LIN CC JP561 JP5...

Page 12: ... permission of Samsung Electronics Co Ltd CF21M Service Manual First edition November 2001 Printed in Korea Trademarks Samsung is the registered trademark of Samsung Electronics Co Ltd CF21M and MacMaster Cable Adapter are trademarks of Samsung Electronics Co Ltd Macintosh Centris Quadra Duo Dock and Power Macintosh are trademarks of Apple Comprter Inc All other trademarks are the property of thei...

Page 13: ...Schematic Diagrams 10 2 CF21M 13 2 20 V IC250 11 32 CH1 P P 2 20 V CH1 RMS 2 776 V 10 IC250 23 9 IC250 24 16 3 42 V IC201 33 CH1 P P 3 42 V CH1 RMS 2 500V 17 3 16 V IC201 32 CH1 P P 3 16 V CH1 RMS 2 560 V ...

Page 14: ...Q503 EYE1 5 1 EY409 2N3906 E C 1 2W 180K R541 1 2W 47 R556 1 6W 120K R552 1 6W 4 3K R551 4 7K 1 2W R555 1 6W 12K R545 1N4148 1N4148 D552 D551 R553 D553 1N4148 12V 1 4W 1 5K SKS10N20 S G D Q407 S1 H_FOCUS R429 P 1 6W 1 2K 18K R426 400V 68nF C418 C540 1 6W E C B Q540 1nF 1KV R546 12V 350V KSP44 C552 1K 1 8W 2 2uF 220nF 100V MP MO C513 350V C408 3W 10 R408 2 5KV 2nF C409 PP 2nF 2 5KV PP KSC2316 Y E C...

Page 15: ... 4 CF21M 14 580 V T501 1 CH1 P P 580 V CH1 RMS 278 2 V 11 IC301 6 12 Q504 Gate 8 T402 8 2 IC402 6 CH1 P P 10 96 V CH1 RMS 6 180 V 3 Q454 drain 4 Q401 Gate CH1 P P 11 6 V CH1 RMS 6 944V 5 Q401 Drain 6 Q402 Base 7 Q402 Collector ...

Page 16: ...IS 2 DO NOT USE YOUR INSTRUMENT BETWEEN SECONDARY 33269T CF21MS JUMPER AREAS OF THE SCHEMATICARE SAFETY REPLACE SAFETY POUR LA SECURITE TOUTESLES PIECES INDIQUEES DANS LES ZONES DIAGRAM AND THE PARTS LIST DESIGNATE COMPONENT PRECAUTION PRODUCT SAFETY NOTICE 19 FST DEL WARNING CC R COMPOSITION QUE PAR DES PIECES RECOMMANDEES PAR LE FABRICANT CONSULTER JP709 710 711 712 CEPHEUS PROJECT POWER CIRCUIT...

Page 17: ...10 Schematic Diagrams 10 6 CF21M 1 368 V IC601 1 ...

Page 18: ... MO 50V 15PF C108 R106 5V RB06 1 10W 100 6 3V 1 4W 68 1 8W 1K R108 1nF C125 2KV 1N4148 DB01 16V 470uF C112 5V 5V 25V 100nF CB01 0 12uH LG01 L102 1 5uH L107 1 5uH KTA1281 Y Q105 B C E 12V_B DB03 BAV21 1 10W 4 7K R124 1 2W 10 R145 500V 4 70NF C127 DR05 1N4148 SNAME EY5 1 C111 100nF 25V MO R151 10M 1 10W C E heat_sink HS2 Q104 2N3904 B R109 100 1 6W 1 4W 270K 1 10W 1K R134 150 1 10W RG09 G4 11 2GK 4 ...

Page 19: ...10 Schematic Diagrams 10 8 CF21M 19 IC103 5 24 15 CRT Socket Red Green Blue 20 R G B Video ...

Page 20: ... 9 10 11 12 13 14 CN103 YBH254 16P 1 2 3 4 12V 5V 5V_DDC C132 50V 47PF R99 1 6W 100 R154 R100 1 6W 33 47PF 50V C133 120 1 6W UZ 6 2BM UZ 6 2BM ZD157 1P 1 ZD158 V 1P 1 H R96 C95 47PF 50V 1 6W 100 100 1 6W R95 C152 50V 47PF C151 100nF 50V MO 25V 10uF C98 C97 100nF 50V MO 5V_DDC 1 2UH 3 5 5 7MM BD151 B 1 6W 33 RB54 1 6W 10 RG54 10 1 6W RB52 10 1 6W RR54 RG52 1 6W 10 23 24 10 1 6W RR52 13 14 15 16 17 ...

Page 21: ...10 Schematic Diagrams 10 10 CF21M Memo ...

Page 22: ...Memo 9 Wiring Diagram 9 2 CF21M ...

Page 23: ...Memo 8 Block Diagrams 8 2 CF21M ...

Page 24: ...NA BD603 3301 000011 CORE FERRITE BEAD AA 3 5x1 0x5 7mm 1500 2375G SNA BD604 3301 000011 CORE FERRITE BEAD AA 3 5x1 0x5 7mm 1500 2375G SNA BD651 3301 000011 CORE FERRITE BEAD AA 3 5x1 0x5 7mm 1500 2375G SNA BD652 3301 000011 CORE FERRITE BEAD AA 3 5x1 0x5 7mm 1500 2375G SNA BD653 3301 000011 CORE FERRITE BEAD AA 3 5x1 0x5 7mm 1500 2375G SNA C201 2201 000119 C CERAMIC DISC 100nF 80 20 50V Y5V TP 8x...

Page 25: ...330nF 10 100V TP 5mm C406 2305 000624 C FILM MPEF 330nF 10 100V TP 5mm C407 2305 000624 C FILM MPEF 330nF 10 100V TP 5mm C408 2303 001022 PEF CAPACITOR 2nF 5 2 5KV TP 23x12x19mm 7 5 C409 2303 001022 PEF CAPACITOR 2nF 5 2 5KV TP 23x12x19mm 7 5 C410 2201 000291 C CERAMIC DISC 1nF 10 500V Y5P TP 7 5x3 5 5 C411 2306 000127 C FILM MPPF 120nF 5 400V TP 21 5x17mm 5mm C413 2306 000127 C FILM MPPF 120nF 5 ...

Page 26: ...11 5 5 C598 2201 000019 C CERAMIC DISC 10nF 80 20 500V Y5V TP 13 5x4mm 5 C599 2201 000019 C CERAMIC DISC 10nF 80 20 500V Y5V TP 13 5x4mm 5 C603 2201 000023 C CERAMIC DISC 2 2nF 20 125V Y5U TP 11x7 5 C604 2201 000023 C CERAMIC DISC 2 2nF 20 125V Y5U TP 11x7 5 C608 2401 000015 C AL 33uF 20 50V WT 6 3x11mm 2 5 C609 2202 002009 C CERAMIC MLC AXIAL 100nF 80 20 50V Y5V TP 2 3X3 C610 2201 000019 C CERAMI...

Page 27: ...0mA DO 35 TP D250 0401 000005 DIODE SWITCHING 1N4148 100V 200mA DO 35 TP D254 0401 000005 DIODE SWITCHING 1N4148 100V 200mA DO 35 TP D281 0401 000005 DIODE SWITCHING 1N4148 100V 200mA DO 35 TP D282 0402 001039 DIODE RECTIFIER SB020 20V 600mA MPG06 TP D301 0402 000272 DIODE RECTIFIER UF4001 50V 1A DO 41 TP D302 0401 000005 DIODE SWITCHING 1N4148 100V 200mA DO 35 TP D303 0401 000005 DIODE SWITCHING ...

Page 28: ...SNA EY401 6042 000001 EYELET ID2 2 OD2 7 L3 1 SN BSS3 E EH SNA EY402 6042 000001 EYELET ID2 2 OD2 7 L3 1 SN BSS3 E EH SNA EY403 6042 000001 EYELET ID2 2 OD2 7 L3 1 SN BSS3 E EH SNA EY404 6042 000001 EYELET ID2 2 OD2 7 L3 1 SN BSS3 E EH SNA EY405 6042 000002 EYELET ID1 5 OD2 L3 1 SN BSS3 E EH SNA EY408 6042 000002 EYELET ID1 5 OD2 L3 1 SN BSS3 E EH SNA EY409 6042 000002 EYELET ID1 5 OD2 L3 1 SN BSS...

Page 29: ...o 105C ST JP104 BH39 40305U CBF HARNESS 52MM AWG22 0 6PI AWG22 0 JP106 BH39 40305U CBF HARNESS 52MM AWG22 0 6PI AWG22 0 JP113 BH39 40305U CBF HARNESS 52MM AWG22 0 6PI AWG22 0 JP114 BH39 40305U CBF HARNESS 52MM AWG22 0 6PI AWG22 0 JP116 BH39 40305U CBF HARNESS 52MM AWG22 0 6PI AWG22 0 JP150 BH39 40305U CBF HARNESS 52MM AWG22 0 6PI AWG22 0 JP151 BH39 40305U CBF HARNESS 52MM AWG22 0 6PI AWG22 0 JP153...

Page 30: ...ARNESS 52MM AWG22 0 6PI AWG22 0 JP362 BH39 40305U CBF HARNESS 52MM AWG22 0 6PI AWG22 0 JP363 BH39 40305U CBF HARNESS 52MM AWG22 0 6PI AWG22 0 JP365 BH39 40305U CBF HARNESS 52MM AWG22 0 6PI AWG22 0 JP371 BH39 40305U CBF HARNESS 52MM AWG22 0 6PI AWG22 0 JP372 BH39 40305U CBF HARNESS 52MM AWG22 0 6PI AWG22 0 JP375 BH39 40305U CBF HARNESS 52MM AWG22 0 6PI AWG22 0 JP376 BH39 40305U CBF HARNESS 52MM AWG...

Page 31: ...ARNESS 52MM AWG22 0 6PI AWG22 0 JP603 BH39 40305U CBF HARNESS 52MM AWG22 0 6PI AWG22 0 JP615 BH39 40305U CBF HARNESS 52MM AWG22 0 6PI AWG22 0 JP616 BH39 40305U CBF HARNESS 52MM AWG22 0 6PI AWG22 0 JP617 BH39 40305U CBF HARNESS 52MM AWG22 0 6PI AWG22 0 JP619 BH39 40305U CBF HARNESS 52MM AWG22 0 6PI AWG22 0 JP623 BH39 40305U CBF HARNESS 52MM AWG22 0 6PI AWG22 0 JP626 BH39 40305U CBF HARNESS 52MM AWG...

Page 32: ...13 BH39 40305U CBF HARNESS 52MM AWG22 0 6PI AWG22 0 JP714 BH39 40305U CBF HARNESS 52MM AWG22 0 6PI AWG22 0 JP715 BH39 40305U CBF HARNESS 52MM AWG22 0 6PI AWG22 0 JP716 BH39 40305U CBF HARNESS 52MM AWG22 0 6PI AWG22 0 JP718 BH39 40305U CBF HARNESS 52MM AWG22 0 6PI AWG22 0 JP719 BH39 40305U CBF HARNESS 52MM AWG22 0 6PI AWG22 0 JP720 BH39 40305U CBF HARNESS 52MM AWG22 0 6PI AWG22 0 JP722 BH39 40305U ...

Page 33: ...ON 3 9KOHM 5 1 8W AA TP 1 8X3 2MM R225 2001 000435 R CARBON 1MOHM 5 1 8W AA TP 1 8X3 2MM R226 2001 000281 R CARBON 100OHM 5 1 8W AA TP 1 8X3 2MM R227 2001 000281 R CARBON 100OHM 5 1 8W AA TP 1 8X3 2MM R228 2001 000490 R CARBON 200OHM 5 1 8W AA TP 1 8X3 2MM R229 2001 000429 R CARBON 1KOHM 5 1 8W AA TP 1 8X3 2MM R230 2001 000490 R CARBON 200OHM 5 1 8W AA TP 1 8X3 2MM R231 2001 000429 R CARBON 1KOHM ...

Page 34: ...HM 5 1 4W AA TP 2 4X6 4MM R316 2008 000114 R FUSIBLE 1 2ohm 5 1 2W AA TP 3 5x9 4mm R402 2001 000044 R CARBON 1 2KOHM 5 1 4W AA TP 2 4X6 4MM R404 2001 000515 R CARBON 220OHM 5 1 8W AA TP 1 8X3 2MM R405 2001 000037 R CARBON S 330OHM 5 1 2W AA TP 2 4X6 4MM R406 2001 000019 R CARBON S 10OHM 5 1 2W AA TP 2 4X6 4MM R408 2003 000473 R METAL OXIDE S 10ohm 5 3W AA TP 6x16mm R409 2003 000423 R METAL OXIDE S...

Page 35: ...M 5 1 8W AA TP 1 8X3 2MM R509 2001 000800 R CARBON 5 1KOHM 5 1 8W AA TP 1 8X3 2MM R510 2001 000780 R CARBON 470OHM 5 1 8W AA TP 1 8X3 2MM R511 2001 000018 R CARBON 6 8OHM 5 1 4W AA TP 2 4X6 4MM R512 2005 000210 R WIRE WOUND 0 33ohm 5 1W AC BK 4 5x11mm R515 2001 000073 R CARBON 33KOHM 5 1 4W AA TP 2 4X6 4MM R520 2001 000962 R CARBON 75KOHM 5 1 4W AA TP 2 4X6 4MM R521 2001 000546 R CARBON 270KOHM 5 ...

Page 36: ...1 8W AA TP 1 8X3 2MM R644 2001 001164 R CARBON S 56KOHM 5 1 2W AA TP 2 4X6 4MM R649 2002 001079 R COMPOSITION 470Kohm 5 1 2W AA TP 4x10mm R651 2001 000734 R CARBON 4 7KOHM 5 1 8W AA TP 1 8X3 2MM R655 2002 001079 R COMPOSITION 470Kohm 5 1 2W AA TP 4x10mm R656 2001 000028 R CARBON S 100OHM 5 1 2W AA TP 2 4X6 4MM R668 2001 000958 R CARBON 750OHM 5 1 8W AA TP 1 8X3 2MM R670 2002 001049 R COMPOSITION 2...

Page 37: ...RING 2SK2671 OIL SILICON SNA CIS BH61 00004A SPRING TR CDA CDB SUS304 T0 5 SNA CIS BH62 00020A HEAT SINK TR A1050S T1 0 PG21 SNA HS402 BH99 00029D ASSY HEAT SINK HS SPRING 2SC5584 10U150S MICA OIL SILICON CIS 0402 001215 DIODE RECTIFIER SDS10U150S 1 5KV 10A TO 220F ST CIS 0502 001142 TR POWER 2SC5584 NPN 150W TO 3PL ST 7 1 CIS BH61 70003A SPRING ETC CVT4857 STS304 W1 2H W3 8 L30 L30 T0 5 DEGRE W3 ...

Page 38: ...001008 SCREW ASS Y MACH WSP BH M3 L10 ZPC YEL SWRCH SNA CIS 6021 000118 NUT HEXAGON 1C M3 ZPC YEL SM20C SNA CIS BH62 30409A HEAT SINK TR A6063S T1 5 CGH7609 SNA HS602 BH99 10047H ASSY HEAT SINK HS TR SPRING D5SB60 OIL SILICON SNA CIS 0402 001160 DIODE BRIDGE D5SB60 600V 6A SIP 4 CIS BH61 70003A SPRING ETC CVT4857 STS304 W1 2H W3 8 L30 L30 T0 5 DEGRE W3 8 STS304 W1 2H SNA CIS BH62 30409A HEAT SINK ...

Page 39: ...I C100 2203 000239 C CERAMIC CHIP 0 1nF 5 50V NP0 TP 2012 C105 2203 000204 C CERAMIC CHIP 100nF 10 25V X7R TP 2012 C106 2203 000204 C CERAMIC CHIP 100nF 10 25V X7R TP 2012 C107 2203 000260 C CERAMIC CHIP 10nF 10 50V X7R TP 2012 C108 2203 000389 C CERAMIC CHIP 0 015nF 5 50V NP0 TP 2012 C109 2203 000204 C CERAMIC CHIP 100nF 10 25V X7R TP 2012 C110 2203 000204 C CERAMIC CHIP 100nF 10 25V X7R TP 2012 ...

Page 40: ...2012 RB08 2007 000593 R CHIP 22OHM 5 1 10W DA TP 2012 RG01 2007 001166 R CHIP 75OHM 5 1 10W DA TP 2012 RG02 2007 000593 R CHIP 22OHM 5 1 10W DA TP 2012 RG04 2007 000941 R CHIP 47KOHM 5 1 10W DA TP 2012 RG05 2007 000822 R CHIP 390OHM 5 1 10W DA TP 2012 RG06 2007 000401 R CHIP 150OHM 5 1 10W DA TP 2012 RG08 2007 000593 R CHIP 22OHM 5 1 10W DA TP 2012 RR01 2007 001166 R CHIP 75OHM 5 1 10W DA TP 2012 ...

Page 41: ...A DO 35 TP DB02 0401 000005 DIODE SWITCHING 1N4148 100V 200mA DO 35 TP DB03 0401 000004 DIODE SWITCHING 1SS244 250V 625mA DO 34 TP DB04 0401 000004 DIODE SWITCHING 1SS244 250V 625mA DO 34 TP DB05 0401 000005 DIODE SWITCHING 1N4148 100V 200mA DO 35 TP DG01 0401 000005 DIODE SWITCHING 1N4148 100V 200mA DO 35 TP DG02 0401 000005 DIODE SWITCHING 1N4148 100V 200mA DO 35 TP DG03 0401 000004 DIODE SWITCH...

Page 42: ...F HARNESS 52MM AWG22 0 6PI AWG22 0 JP57 BH39 40305U CBF HARNESS 52MM AWG22 0 6PI AWG22 0 JP6 BH39 40305U CBF HARNESS 52MM AWG22 0 6PI AWG22 0 JP60 BH39 40305U CBF HARNESS 52MM AWG22 0 6PI AWG22 0 JP61 BH39 40305U CBF HARNESS 52MM AWG22 0 6PI AWG22 0 JP62 BH39 40305U CBF HARNESS 52MM AWG22 0 6PI AWG22 0 JP63 BH39 40305U CBF HARNESS 52MM AWG22 0 6PI AWG22 0 JP64 BH39 40305U CBF HARNESS 52MM AWG22 0 ...

Page 43: ... 2003 000744 R METAL OXIDE S 56ohm 5 2W AA TP 4x12mm R148 2003 000744 R METAL OXIDE S 56ohm 5 2W AA TP 4x12mm RB07 2001 000009 R CARBON 20KOHM 5 1 8W AA TP 1 8X3 2MM RB09 2001 000546 R CARBON 270KOHM 5 1 4W AA TP 2 4X6 4MM RB12 2001 000022 R CARBON S 33OHM 5 1 2W AA TP 2 4X6 4MM RG07 2001 000009 R CARBON 20KOHM 5 1 8W AA TP 1 8X3 2MM RG09 2001 000546 R CARBON 270KOHM 5 1 4W AA TP 2 4X6 4MM RG12 20...

Page 44: ...000443 C AL 10uF 20 25V GP TP 5x5mm 2mm CB52 2401 000443 C AL 10uF 20 25V GP TP 5x5mm 2mm CB53 2202 002009 C CERAMIC MLC AXIAL 100nF 80 20 50V Y5V TP 2 3X3 CG51 2401 000443 C AL 10uF 20 25V GP TP 5x5mm 2mm CG52 2401 000443 C AL 10uF 20 25V GP TP 5x5mm 2mm CG53 2202 002009 C CERAMIC MLC AXIAL 100nF 80 20 50V Y5V TP 2 3X3 CR51 2401 000443 C AL 10uF 20 25V GP TP 5x5mm 2mm CR52 2401 000443 C AL 10uF 2...

Page 45: ... 0 6PI AWG22 0 JP171 BH39 40305U CBF HARNESS 52MM AWG22 0 6PI AWG22 0 MP1 0 BH41 00168A PCB SUB AQ19FS FR1 115 80 1 0 1 6T 115 80 1 6T AQUILA SNA QB52 0501 000621 TR SMALL SIGNAL 2N5770 NPN 450mW TO 92 TP QG52 0501 000621 TR SMALL SIGNAL 2N5770 NPN 450mW TO 92 TP QR52 0501 000621 TR SMALL SIGNAL 2N5770 NPN 450mW TO 92 TP R100 2001 000515 R CARBON 220OHM 5 1 8W AA TP 1 8X3 2MM R137 BH39 40305U CBF ...

Page 46: ...0mW ZD158 0403 000361 DIODE ZENER UZ6 2BSB 6 2V 5 99 6 24V 500mW ZD159 0403 000361 DIODE ZENER UZ6 2BSB 6 2V 5 99 6 24V 500mW ZD160 0403 000361 DIODE ZENER UZ6 2BSB 6 2V 5 99 6 24V 500mW ZD161 0403 000361 DIODE ZENER UZ6 2BSB 6 2V 5 99 6 24V 500mW 7 Electrical Parts List 7 24 CF21M Loc No Code No Description Specification Remarks CRT BH03 00025B CRT COLOR M51QBN291X115 E TCO ASS Y PBA UNIT BH94 00...

Page 47: ...14 9 104 9 99 9 94 9 91 9 84 9 80 9 77 9 75 9 69 9 67 9 64 9 60 9 58 9 54 9 50 9 45 9 39 9 36 9 34 9 33 S1 S2 S3 S4 S5 H H H H H H H H H H H H H H H H H H H H H H H H H H H H H H H H H H H H H H H H H H H H H H H H H 7 5 S Corretion Table ...

Page 48: ...Memo 7 Electrical Parts List 7 26 CF21M ...

Page 49: ...7 Electrical Parts List CF21M 7 27 Loc No Code No Description Specification Remarks ...

Page 50: ...Memo 6 Exploded View Parts List 6 2 CF21M ...

Page 51: ...thode The Voltage is about 400VDC Replace Q701 D701 Yes No Done 1 5 1 3 DPMS Failure Check signal source H V sync video signal Make No H V sync That is power off mode LED blinks Does 12V Line off Check the IC651 output Pin 2 Check IC201 Pin 25 or replace IC201 Yes No Does 14V_V Line off Check the Q670 Collector Check Q671 D670 Yes No Does the Q620 activate Check IC201 Pin 23 or replace IC201 Yes N...

Page 52: ...veform is right Check Q451 Q452 Q453 ZD450 R467 D456 Yes No Q401 gate drain waveforms are right Check Q250 Q251 IC250 Check 19V line Yes No Q402 base collector waveforms are right Check and replace D402 and Q402 Check DY connector connection No 2 3 4 6 5 7 WAVEFORMS 2 IC402 6 CH1 P P 10 96 V CH1 RMS 6 180 V 3 Q454 Drain 4 Q401 Gate CH1 P P 11 6 V CH1 RMS 6 944V 5 Q401 Drain 6 Q402 Base 7 Q402 Coll...

Page 53: ...IC201 Pin 3 voltage varies with different H_Lin DAC values IC403 Pin 7 8 voltage varies with different H_Lin DAC values Check 12 V line Check some parts around IC403 Check L403 Yes Yes No IC402 Pin 6 output duty varies with different H_Size DAC values Check some parts around IC250 IC201 Yes No Check and replace IC201 No Replace IC201 No 5 1 7 Invariable H_Size D250 Cothode voltage varies with diff...

Page 54: ... 2 Yes No 5 1 9 Side Pin or Trap Failure IC250 Pin 24 output exists The waveform is right Check and replace IC250 5 1 10 Para or Pin Balance Failure IC250 Pin 24 output varies with different DAC values No Replace IC261 No 7 T402 pin 8 wareform is right Replace T402 Yes Check and replace IC402 Check some parts IC402 Pin 2 and IC250 Pin 24 Yes No 8 9 WAVEFORMS 8 T402 8 WAVEFORMS 9 IC250 24 7 Q402 Co...

Page 55: ...place IC201 No Check tilt connector connection 5 1 12 V Deflection Failure Is 14V at IC301 Pin 2 Is 14V at IS301 Pin 5 IC250 Pin 23 output exists The waveform is right Check and replace IC250 Yes Yes No Check and replace R312 R316 Refer to 5 1 1 No Power supply No IC301 Pin 6 output exists The waveform is right Check and replace some parts around IC301 Yes No Check V DY connector connection 10 11 ...

Page 56: ...50 Check bias voltage Check and replace IC250 and IC301 No 5 1 14 High Voltage Failure Q504 gate driving pulse exist The waveform is right Check 12 V line Check and replace Q502 Q503 R511 IC501 Yes No Done 12 Are there some voltages 350V 30V 210V etc at secondary part of FBT Check and replace Q504 D508 D509 D530 D507 D505 Yes No WAVEFORMS 12 Q504 Gate ...

Page 57: ... CN102 Q101 Q102 ZD101 5 1 15 ABL Failure 5 1 16 Focus Failure IC250 Pin 11 and 32 output are right Check and replace IC261 Yes No Some parts around Q551 Q552 Q553 and Q540 are right Replace failed part Yes No Some parts around T502 are right Replace failed part Check the connection between FBT Pin 13 CRT Socket PCB Yes No 13 14 Does the voltage of Q541 collector change as the FH function is chang...

Page 58: ...IC3 on BNC Board No IC102 Pins 25 28 and 30 19 IC101 29 32 35 outputs are right Check 12 V line Check and replace IC102 19 IC101 Yes No Are there waveforms at CRT Socket Pin Red Green Blue Check 80 V line Check and replace IC105 19 IC102 and components around IC105 19 IC102 Yes No G2 voltage is right Heater Voltage is right Check D598 D599 and G2 wire Check CN102 wire Assy Change CRT Yes Done No C...

Page 59: ...inputs are right Check X201 C203 and C204 Yes Yes No Check IC650 No IC201 Pin 40 input is High Active Check and replace IC202 Yes No All in output values are right Replace IC201 Yes No Done 16 17 WAVEFORMS 16 3 42 V IC201 33 CH1 P P 3 42 V CH1 RMS 2 500V 17 3 16 V IC201 32 CH1 P P 3 16 V CH1 RMS 2 560 V ...

Page 60: ... and 3 4 19 IC101 Pins 1 4 and 9 13 input is right Check and replace IC103 19 IC103 Yes Yes No Check and replace Q104 IC201 Pin 20 Check 5V Line No Does the Voltage Change on IC201 Pins 11 12 When you push the control Button Check CN204 and Assy Yes No Check IC201 Done Check CN102 and connector Ass y 18 19 WAVEFORMS 18 IC103 6 17 19 IC103 5 24 ...

Page 61: ...Coil POS601 Yes IC201 Pin 31 output is right Check and replace IC201 Check user function key No Done Check degaussing connector 5 1 21 Degaussing Failure 5 1 20 User Control Failure IC201 Pins 11 and 12 inputs are right at each function Check and replace function key Check and replace IC201 Done Yes No Check connector Ass y ...

Page 62: ... LED is blinking once a second Yes No No Heater Voltage is right Check CN201 Assy and D642 Q672 Yes No R G B Cathode is right Return back the No Video 5 1 16 troubleshooting guide Yes No Go to 5 2 2 Shut down troubleshooting guide Yes 5 2 2 Shut Down LED is blinking so fast Once per 300m sec No Check signal cable and signal source Yes Check SDA IC201 Pin 30 and SCL IC201 Pin 29 Replace IC280 IC201...

Page 63: ...thodes Refer to 5 1 16 No Video Yes Yes No Check signal generator and replace BNC Board No Proper DC voltage are on all cathodes Check IC105 19 IC102 Pin 1 3 and 5 Check and replace IC105 19 IC102 and IC104 19 IC104 Change the CRT Done Yes No G2 voltage is right Check D598 D599 and G2 wire Check around FBT circuits also Yes No ...

Page 64: ...eo board Check CN102 Q104 19 Q103 Yes Yes No Check G2 control volume and FBT No Blank pedestal is on Pin 25 28 and 30 of IC102 19 29 32 and 35 of IC101 Check IC102 19 IC101 and related components Yes No Is V_FLB and DC_bias on G1 Pin at CRT socket Check Q301 CN102 Assy Q520 D520 and D521 Done Yes No Check white balance adjustment ...

Page 65: ...ce IC250 Yes Yes No Check and replace IC201 No Are H_FLYBACK of IC102 Pin 23 19 IC101 Pin 27 right Check CN102 Assy and Q103 Check clamp pulse of IC102 Pin 22 19 IC101 Pin 19 replace IC201 and Q107 Yes Done No Compare input sync of IC201 Pin 18 and 19 with output sync of IC201 20 and 21 5 2 5 Unsynchronized Image ...

Page 66: ... now within spec No Yes Check the C G control Assy CN104 CN105 Proper voltage are appeared on IC106 Pin 7 8 10 and 11 in Video Board Change CRT and readjust convergence Done Check and replace IC106 No No Done Are the C G control circuits in the video Board AQ17NS AQ17NS AQ19FS have the C G control circuits in the video Board Yes No ...

Page 67: ...check for focus change Yes Dynamic focus circuit is right Refer to 5 1 15 Dynamic Focus Failure Replace the CRT and verify focus Yes No Adjust focus VR 5 2 7 Poor Focus 5 2 8 Purity Failure Purity is right Degaussing circuit is right Refer to 5 1 20 Degaussing Failure Replace CRT and verify purity Yes No No Done Yes Degaussing ...

Page 68: ...s Cut off Contrast Maximum Click on the or box next to H_POSI to center the horizontal image on the raster 4 2 1 d VERTICAL POSITION ADJUSTMENT CONDITIONS Scanning frequency 91 kHz 85 Hz Display image Crosshatch pattern Brightness Cut off Contrast Maximum Click on the or box next to V_POSI to center the vertical image on the raster 4 2 2 Linearity Linearity affects the symmetry of images as they a...

Page 69: ...m Adjustment CONDITIONS Scanning Frequency 91 kHz 85 Hz Display image Crosshatch pattern Brightness Cut off Contrast Maximum Use control bar after selecting PARALLEL in left menu to make the image area rectangular Figure 4 6 Parallelogram 4 2 6 Side Pincushion Adjustment CONDITIONS Scanning frequency 91 kHz 85 Hz Display image Crosshatch pattern Brightness Cut off Contrast Maximum Use control bar ...

Page 70: ...he GREEN CUTOFF controls 3 Use control bar after selecting BLUE CUTOFF in left menu to set the y coordinate to 0 298 0 015 4 Use control bar after selecting RED CUTOFF in left menu to 0 283 0 015 If color values would not be matched desirable values repeat sequence 3 and 4 after readjusting GREEN CUTOFF control a little different 4 3 2 b G GAIN ADJUSTMENT Figure 4 8 Green Box Pattern CONDITIONS Sc...

Page 71: ...ust the R Bias to x 0 313 0 02 and the B Bias to y 0 329 0 02 4 3 3 b G GAIN ADJUSTMENT This procedure is the same as that for 9300K refer to the procedure on page 4 5 You must adjust the Brightness of Green gain to 39 1ft L 4 3 3 c WHITE BALANCE ADJUSTMENT CONDITIONS Scanning frequency 91 kHz 85 Hz Display image Full white pattern Brightness Cut off Contrast Maximum 1 Click on the or boxes next t...

Page 72: ...ed color in a uniform field within the display area shall not be visible at a distance of 50 cm from the CRT surface CONDITIONS Orientation Monitor facing east Scanning frequency 68 kHz 85 Hz Display image White flat field Luminance Cut off point at the center of the display area Note Color purity adjustments should only be attempted by qualified personnel PROCEDURE For trained and experienced ser...

Page 73: ...01 H_DY CN604 and Anode Cap on the Main PCB Assembly 3 1 9 Removing the Main PCB 1 Remove 6 screws on the main PCB 2 Pull the Main PCB towards you and carefully lift out the main PCB and placet it on a flat level surface that is protected from static electricity 3 1 10 Removing the Bracket 1 Remove the 10 screws on the Front Cabinet 3 1 11 Removing the Degaussing Coil 1 Using pinch nosed pliers or...

Page 74: ... Positive Separate 31 469 31 778 3 813 1 907 25 422 0 636 59 940 16 683 0 064 1 048 15 253 0 318 25 175 Negative Negative Separate 43 269 23 111 1 556 3 810 5 222 17 778 85 008 13 333 0 080 0 427 12 800 0 027 36 000 Negative Negative Separate 53 674 18 631 1 138 2 702 14 222 0 569 85 061 11 756 0 056 0 503 11 179 0 019 56 250 Positive Positive Separate 91 146 10 971 0 016 1 422 8 127 0 406 85 024 ...

Page 75: ...istance between each blade of the AC plug and accessible conductive parts see above should be greater than 1 megohm 7 Never defeat any of the B voltage interlocks Do not apply AC power to the unit or any of its assemblies unless all solid state heat sinks are correctly installed 8 Always connect a test instrument s ground lead to the instrument chassis ground before connecting the positive lead al...

Page 76: ...o Ltd 416 Maetan 3Dong Paldal Gu Suwon City Kyungki Do Korea Printed in Korea P N BH81 00017A 00 http www samsungmonitor com SyncMaster Worldwide http www samsung monitor com SyncMaster USA http www sec co kr monitor Korea ...

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