LG 775FT Service Manual Download

Page: 24 / 31

- 24 -

DATE: 2002. 05. 22.

*AL LOC. NO.

PART NO.

DESCRIPTION / SPECIFICATION

C201

0CN1040K949

0.1M 50V Z F TA52

C301

181-288N

MKT 100V 103JTR PHS86103

C302

0CE107CF638

100UF SHL,SD 16V M FM5 TP 5

C303

0CK1040K945

0.1UF 50V Z F TR

C304

0CK1030K945

0.01UF 50V Z F TR

C305

0CE107CF638

100UF SHL,SD 16V M FM5 TP 5

C306

181-288N

MKT 100V 103JTR PHS86103

C307

0CK3910K515

390P 50V K B TS

C308

0CN1040K949

0.1M 50V Z F TA52

C309

0CK1040K945

0.1UF 50V Z F TR

C310

181-288B

MKT 100V 104JTR PHS26104

C311

0CK1040K945

0.1UF 50V Z F TR

C312

0CN1040K949

0.1M 50V Z F TA52

C313

0CK1040K945

0.1UF 50V Z F TR

C314

0CC4700W405

47PF 500V J SL TP

C315

0CE476CF638

47UF SHL,SD 16V M FM5 TP 5

C316

0CK1010W515

100P 500V K B TS

C317

0CN1040K949

0.1M 50V Z F TA52

C318

0CK1040K945

0.1UF 50V Z F TR

C319

0CN1040K949

0.1M 50V Z F TA52

C320

0CN1040K949

0.1M 50V Z F TA52

C321

0CE475CK638

4.7UF SHL,SD 50V M FM5 TP 5

C322

0CN6810K519

680P 50V K B TA52

C323

0CE476CF638

47UF SHL,SD 16V M FM5 TP 5

C324

0CK1040K945

0.1UF 50V Z F TR

C325

181-288B

MKT 100V 104JTR PHS26104

C326

0CE106CN638

10UF SHL,SD 100V M FM5 TP 5

C327

181-288B

MKT 100V 104JTR PHS26104

C328

0CE106CN638

10UF SHL,SD 100V M FM5 TP 5

C329

181-288B

MKT 100V 104JTR PHS26104

C330

181-288B

MKT 100V 104JTR PHS26104

C331

181-288G

MKT 100V 334JTR PHS26334

C332

181-288G

MKT 100V 334JTR PHS26334

C333

181-288G

MKT 100V 334JTR PHS26334

C334

181-288B

MKT 100V 104JTR PHS26104

C335

181-288B

MKT 100V 104JTR PHS26104

C336

181-288E

MKT 100V 474JTR PHS 26474

C339

0CK4710W515

470P 500V K B TS

C340

0CK1040K945

0.1UF 50V Z F TR

C341

0CK10302940

0.01M 2KV Z F S

C342

0CE106CK638

10UF SHL,SD 50V M FM5 TP 5

C346

0CK10202515

1000PF D 2KV 10% TR B(Y5P)

C351

0CC0400K115

4P 50V D NP0 TS

C352

0CC0400K115

4P 50V D NP0 TS

C353

0CC0400K115

4P 50V D NP0 TS

C358

0CK8210K515

820P 50V K B TS

C359

0CN5610K519

560P 50V K B TA52

C372

0CK1040K945

0.1UF 50V Z F TR

C401

0CN1040K949

0.1M 50V Z F TA52

C402

0CE476CF638

47UF SHL,SD 16V M FM5 TP 5

C403

0CK1040K945

0.1UF 50V Z F TR

C404

0CC1800K415

18P 50V J NPO TP

C405

0CC1800K415

18P 50V J NPO TP

DATE: 2002. 05. 22.

*AL LOC. NO.

PART NO.

DESCRIPTION / SPECIFICATION

C406

0CK1010K515

100PF 50V K B TR

C407

0CK1010K515

100PF 50V K B TR

C408

0CK1040K945

0.1UF 50V Z F TR

C409

0CC5600K415

56P 50V J NP0 TP

C410

0CK1010K515

100PF 50V K B TR

C411

0CK1040K945

0.1UF 50V Z F TR

C412

0CK1040K945

0.1UF 50V Z F TR

C413

0CK1040K945

0.1UF 50V Z F TR

C501

0CE106CF638

10UF SHL,SD 16V M FM5 TP 5

C510

0CE225CK638

2.2UF SHL,SD 50V M FM5 TP 5

C511

0CE106CF638

10UF SHL,SD 16V M FM5 TP 5

C599

0CE225CK638

2.2UF SHL,SD 50V M FM5 TP 5

C601

0CE477EH618

470UF KMG 25V M FL TP 5

C602

181-288B

MKT 100V 104JTR PHS26104

C603

0CE476CK638

47UF SHL,SD 50V M FM5 TP 5

C604-1

181-288T

MKT 100V 223KTR PHS85223

C605

0CK1020W515

1000P 500V K B TS

C701

0CQ5621N419

5600P 100V J POLY NI TP

C702

0CZZTFT001M

ECQB1H103JM3 103J 50V TP5.0

C703

0CZZTFT001Z

ECQB1H104JM3 104J 50V TP5.0

C704

0CQ8221N519

0.0082U 100V K POLY NI TP

C705

0CE476CF638

47UF SHL,SD 16V M FM5 TP 5

C706

0CZZTFT001Z

ECQB1H104JM3 104J 50V TP5.0

C707

0CZZTFT002B

ECQV1H154JZ3 154J 50V TP5.0

C708

0CE227CH638

220UF SHL,SD 25V M FM5 TP 5

C709

181-288P

MKT 100V 153JTR PHS86153

C711

0CQ5621N419

5600P 100V J POLY NI TP

C713

0CQ1031N419

0.01U 100V J POLY NI TP

C716

0CK2710K515

270P 50V K B TS

C717

0CE105CN638

1UF SHL,SD 100V M FM5 TP 5

C718

181-288D

MKT 100V 473JTR PHS26473

C719

0CZZTAB001A

SM-BP(P)/BP 10UF 50V 13*25 B

C721-1

181-477W

473J 19.5*15.0*8.5*7.5 250V

C722

181-303W

0.2UF D 250V J PP NI FM20

C723

181-482A

104J 18.0*13.0*7.0*7.5 250V

C724

0CN1040K949

0.1M 50V Z F TA52

C725

0CK6810W515

680P 500V K B TS

C726

181-305Y

MPP 250 204J S=10.0

C727

0CN1040K949

0.1M 50V Z F TA52

C728

0CQ5621N419

5600P 100V J POLY NI TP

C729

181-305V

514J 26.0*18.0*11.0*15.0 250

C730

0CN1040K949

0.1M 50V Z F TA52

C731

0CBZTBU004D

542J 29.0*20.5*9.5*20.0 2.5K

C732

0CQ1031N419

0.01U 100V J POLY NI TP

C733

0CBZTBU003J

392J 20.0*12.5*7.5*10.0 800V

C737

0CK10102515

100PF 2KV K B TR

C739

0CE226CK638

22UF SHL,SD 50V M FM5 TP 5

C740

0CE227EL630

220UF KMG 63V M FM5 BULK

C741

0CZZTFT002B

ECQV1H154JZ3 154J 50V TP5.0

C742

0CZZTFT001R

ECQB1H223JM3 223J 50V TP5.0

C743

0CK3310W515

330P 500V K B TS

C744

0CE107CP630

100UF SHL 160V M FM5 BULK

C745

0CK5610W515

560P 500V K B TS

C746

0CK33101515

330P 1KV K B TS

REPLACEMENT PARTS LIST

CAUTION: BEFORE REPLACING ANY OF THESE COMPONENTS,

READ CAREFULLY THE SAFETY PRECAUTIONS IN THIS MANUAL.

* NOTE : S

SAFETY Mark

AL ALTERNATIVE PARTS

CAPACITORS

Summary of Contents for 775FT

Page 1: ...COLOR MONITOR SERVICE MANUAL CAUTION BEFORE SERVICING THE UNIT READ THE SAFETY PRECAUTIONS IN THIS MANUAL MODEL 775FT FB775G EA CHASSIS NO CA 113 FACTORY MODEL FB775G ...

Page 2: ...5 4 x 244 1 mm 12 81 x 9 61 Preset Image Size 310 x 230 mm 12 20 x 9 06 4 2 Display Color Full Colors 4 3 Display Resolution 1280 x 1024 60Hz Max Non Interlace 4 4 Video Bandwidth 110 MHz 5 ENVIRONMENT 5 1 Operating Temperature 0 C 40 C Ambient 5 2 Relative Humidity 10 90 Non condensing 5 3 Altitude 5 000 m 6 DIMENSIONS with TILT SWIVEL Width 415 0 mm 16 34 inch Depth 439 0 mm 17 28 inch Height 43...

Page 3: ...sign Soldering must be inspected for the cold solder joints frayed leads damaged insulation solder splashes or the sharp points Be sure to remove all foreign materials IMPLOSION PROTECTION All used display tubes are equipped with an integral implosion protection system but care should be taken to avoid damage and scratching during installation Use only same type display tubes X RADIATION The only ...

Page 4: ...4 41 1 14 2 70 0 57 V 85 07 11 755 11 178 0 577 0 056 0 503 0 018 H 68 677 14 561 10 836 3 725 1 016 2 201 0 508 V 85 00 11 764 11 182 0 582 0 044 0 524 0 014 Mode H V Sort 1 2 3 4 Dot Clock MHz Horizontal Frequency kHz Vertical Frequency Hz Horizontal etc µs Vertical etc ms Sync Polarity Frequency Total Period E Video Active Time A Sync Duration D Blanking Time B Back Porch F Front Porch C 640x48...

Page 5: ...e stand by suspend or power off mode its color changes to orange and if abnormal or damaging circuit turns out orange blink 3 SET Button This button to enter a selection in the on screen display 4 OSD Select Adjustment Use for selecting highlighting an OSD icon and adjusting level of the selected menu 5 OSD Button This button to enter or exit the on screen display OSD SET See Front Control Panel P...

Page 6: ...WIRING DIAGRAM 6 P501 P201 P405 P301 P302 G2 P702 P701 T1 P402 P902 S S Signal Cable AC Socket FBT ...

Page 7: ... Sig V Sync Sig I2C DATA SDA I2C CLOCK SCL VIDEO LM1269 PRE AMP IC302 Signal Cable R G B VIDEO LM2469 LM2480 CUT OFF IC IC304 MAIN AMP IC303 5V 5V H V Sync Processor IC701 TDA4841 V OUT IC601 TDA4866J H OUT Q706 H Linearity Correction DC DC Converter X RAY Protection Circuit FBT T701 Dynamic Focus Circuit Auto Beam Limit Vertical Blanking Brightness Control 160V 40V 400V STEP UP 15V D D Feed Back ...

Page 8: ...ts operating mode and offers the controlled data H size H position V size etc 4 The controlled data of each mode is stored in itself 5 User can adjust screen condition by each OSD function The data of the adjusted condition is stored in EEPROM IC402 6 Horizontal and Vertical Oscillation This circuit generates the horizontal pulse and the vertical pulse by taking the H and V sync signal This circui...

Page 9: ... deflection yoke of the CRT 16 Video Pre Amp Circuit This circuit amplifies the analog video signal from 0 0 7V to 0 4V It is operated by taking the clamp R G B drive and contrast signal from the Micom IC401 17 Video Output Amp Circuit This circuit amplifies the video signal which comes from the video pre amp circuit and amplified it to applied the CRT cathode ...

Page 10: ...RL PWM TILT command 7 Adjust tilt as arrow keys to be the best condition 8 DIST ADJ BALANCE command 9 Adjust parallelogram as arrow keys to be the best condition 10 Adjust balance of pin balance as arrow keys to be the best condition 11 DIST ADJ FOS ADJ command 12 Adjust V SIZE as arrow keys to 230 2mm 13 Adjust V POSITION as arrow keys to center of the screen 14 Adjust H SIZE as arrow keys to 310...

Page 11: ...ABL command 22 Adjust ABL to 32 1FL of the luminance 23 After push the ENTER key and COMMAND PRESET EXIT Y Yes command 24 Exit from the program 4 Input EDID Data 1 Display color 15 0 cross hatch pattern at Mode 4 2 EEPROM Write EDID command and confirm EDID Write OK message of monitor 3 Exit from the alignment program 4 Power switch OFF ON for EDID data save 5 Adjustment for Focus 1 Set the Bright...

Page 12: ...IN FUSE F901 TROUBLE IN IC901 TROUBLE IN D941 D942 D951 D961 D962 D971 TROUBLE IN Q903 Q952 Q951 Q942 Q941 CHECK FUSE OK CHECK C908 VOLTAGE AC120V 160VDC AC220V 304VDC NO YES YES YES YES NO NO NO CHECK IC901 PIN 5 WAVEFORM SQUARE WAVE COMES OUT CHECK D941 D942 D951 D961 D962 D971 VOLTAGE ...

Page 13: ... 1 2 3 CHECK IC303 PIN 4 80V PIN 8 12V TROUBLE IN P302 5V LINE TROUBLE IN PC SIGNAL P301 SIGNAL CABLE TROUBLE IN IC302 TROUBLE IN P303 12V LINE 80V LINE TROUBLE IN IC303 NO YES NO NO YES YES YES YES NO NO CHECK R G B CATHODE VOLTAGE TROUBLE IN R341 R343 R331 R333 L311 L313 D307 D312 TROUBLE IN CRT SOCKET YES NO ...

Page 14: ...ECK POWER INDICATOR GREEN or AMBER CHECK D712 ANODE 157V CHECK G1 VOLTAGE 55V 150V TROUBLE IN D712 TROUBLE IN Q799 DPM MODE NO H and or V SYNC AMBER NO GREEN YES NO CHECK CDT HEAT VOLTAGE 6 3V TROUBLE IN D941 Q942 Q941 YES NO TROUBLE IN CDT YES ...

Page 15: ...VERTICAL LINE CHECK Q706 CHECK B VOLTAGE 50V CHECK T701 FBT PIN 2 31KHZ 60V 69KHZ 140V CHECK Q701 COLLECTOR WAVEFORM TROUBLE IN Q706 TROUBLE IN 50V LINE TROUBLE IN Q719 Q720 D710 TROUBLE IN Q701 TROUBLE IN T701 P701 NO NO YES YES YES YES NO NO 0V T ...

Page 16: ...CHECK L703 TROUBLE IN IC401 MICOM TROUBLE IN Q711 Q716 TROUBLE IN L703 TROUBLE IN C722 C723 C726 C729 NO NO NO YES YES YES Cs SIGNAL TABLE HORIZONTAL FREQUENCY fH 30K 33 9K 34K 38 9K 39K 44 9K 45K 48 9K 49K 57 9K 58K 65 9K 66K 70K Cs1 L L H L H L H Cs3 L L L H H H H Cs2 L H H L L H H ...

Page 17: ...ECTION ONE HORIZONTAL LINE CHECK IC601 PIN 3 15V CHECK IC601 PIN 7 40V CHECK IC701 PIN 12 13 TROUBLE IN R603 15V LINE TROUBLE IN HIGH VOLTAGE OUT CIRCUIT FBT D721 R606 TROUBLE IN IC701 TROUBLE IN IC601 V CIRCUIT NO NO YES YES YES NO 3V ...

Page 18: ...BLE IN IC601 PIN8 V FBP T701 40V LINE H FBP TROUBLE IN IC302 IC301 TROUBLE IN IC301 IC302 NO YES DC 5V YES YES YES NO NO NO Pin 5 5V Pin 10 5V H V 5V H V CHECK IC301 B 5V CHECK IC301 PIN 12 WAVEFORM ENTER BUTTON MUST BE PRESSED CHECK IC301 PIN 5 10 WAVEFORM CHECK IC301 PIN 13 14 15 ...

Page 19: ...ECK PC PC IS NOT GOING INTO DPM OFF MODE TROUBLE IN X401 TROUBLE IN IC401 MICOM TROUBLE IN Q941 Q942 Q951 Q952 TROUBLE IN PC OFF MODE FAILURE INPUT H V SYNC SIGNAL H V SYNC NO OFF MODE NO NO NO NO DPMF 0V DPM TABLE Mode Item NORMAL STAND BY SUSPEND OFF DPMF H H H L LED GREEN AMBER AMBER AMBER DPMS H L L L YES YES SEE DPM TABLE YES YES 5V 24MHz ...

Page 20: ...CK Q953 COLLECTOR VOLTAGE CHECK P902 CHECK RL901 TROUBLE IN IC401 MICOM TROUBLE IN Q953 TROUBLE IN P902 TROUBLE IN RL901 TROUBLE IN TH901 DEGAUSSING COIL NO DEGAUSSING DC 15V NO NO NO NO YES YES YES YES DEGAUSS ON THE OSD MENU MUST BE PRESSED ...

Page 21: ... TILT NO ROTATION TROUBLE IN IC401 MICOM TROUBLE IN 15V LINE 6 3V LINE TROUBLE IN Q501 Q503 TROUBLE IN P501 TILT COIL D501 NO YES YES YES CHECK 15V LINE AND 6 3V LINE CHECK Q503 EMITTER VOLTAGE NO NO CHECK IC401 PIN21 WAVE FORM ...

Page 22: ...EXPLODED VIEW 2 5 6 12 11 14 7 B A 8 9 10 15 13 16 16 1 4 OS D SE T 18 17 19 20 3 13 a b c b 22 ...

Page 23: ...FB775G 031 CKD Brazil only TILT SWIVEL ASSY SFB775B T032 B029 HIPS 85964 CKD SCREW ASSY PHP 5 20 FZMY GW18 NEW TYPE COIL DEGAUSSING GET D COIL 0 5 130TS 1410 WITH PURITY FB770G PWB PCB ASSEMBLY SUB FB775G KXLVED CONTROL TOTAL BRAND CA 109 PWB PCB ASSEMBLY SUB FB775G KQBRES CONTROL TOTAL BRAND CA 113 Brazil only FBT FLY BACK TRANSFORMER 1054A CB777G LG PHILIPS 17 SOCKET CIRC POWER BAE EUN AC UNIVER...

Page 24: ...15 100PF 50V K B TR C407 0CK1010K515 100PF 50V K B TR C408 0CK1040K945 0 1UF 50V Z F TR C409 0CC5600K415 56P 50V J NP0 TP C410 0CK1010K515 100PF 50V K B TR C411 0CK1040K945 0 1UF 50V Z F TR C412 0CK1040K945 0 1UF 50V Z F TR C413 0CK1040K945 0 1UF 50V Z F TR C501 0CE106CF638 10UF SHL SD 16V M FM5 TP 5 C510 0CE225CK638 2 2UF SHL SD 50V M FM5 TP 5 C511 0CE106CF638 10UF SHL SD 16V M FM5 TP 5 C599 0CE2...

Page 25: ... ROHM KOREA D314 0DS124409AA 1SS244 TP ROHM KOREA D315 0DS124409AA 1SS244 TP ROHM KOREA D316 6210TCE003J BAS2550T BO SUNG 2550MM AXIA D317 0DS141489AB 1N4148 TP GRANDE DO 34 500MW D401 0DS141489AB 1N4148 TP GRANDE DO 34 500MW D402 971 0016 TIN HDC 0 60H D501 0DS141489AB 1N4148 TP GRANDE DO 34 500MW D511 0DS141489AB 1N4148 TP GRANDE DO 34 500MW D512 0DS141489AB 1N4148 TP GRANDE DO 34 500MW D701 0DS...

Page 26: ... L705 6140TBZ026C DR15 18 C9 8 100UH 0 1 30MM L901 6200TLS004B SQE2424 15MH 0 55MM 70T CB77 DATE 2002 05 22 S AL LOC NO PART NO DESCRIPTION SPECIFICATION Q501 0TR320209AA KTC3202 Y KTC1959 TP KEC TO Q502 0TR127009AA KTA1270 Y KTA562TM TP KEC T Q503 0TR319809AA KTC3198 Y KTC1815 TP KEC TO Q510 0TR319809AA KTC3198 Y KTC1815 TP KEC TO Q511 0TR320509AB KTC3205 Y KTC2236A TP KEC T Q512 0TR127509AC KTA1...

Page 27: ...101A609 1 OHM 1 2 W 7 0 5 TA52 R515 0RD1502Q609 15K 1 4W 3 5 TA52 DATE 2002 05 22 S AL LOC NO PART NO DESCRIPTION SPECIFICATION R597 0RD3902Q609 39K 1 4W 3 5 TA52 R598 0RD5601Q609 5 60K 1 4W 3 5 TA52 R599 0RD0202Q609 20 1 4W 3 5 TA52 R601 0RD1001Q609 1K 1 4W 3 5 TA52 R602 0RD1001Q609 1K 1 4W 3 5 TA52 R603 0RN0390H609 0 39 1 2W 5 TA52 R604 0RD0101A609 1 OHM 1 2 W 7 0 5 TA52 R605 0RD0102A609 10 OHM ...

Page 28: ... 5 TA52 R906 0RD6200Q609 620 1 4W 3 5 TA52 R908 0RN0220H609 0 22 1 2W 5 TA52 R910 0RX4702J609 47K OHM 1 W 5 TA52 R925 0RB0120K607 0 12 OHM 2 W 5 TA62 R941 0RN0220H609 0 22 1 2W 5 TA52 R944 0RD4700A609 470 OHM 1 2 W 7 0 5 TA52 R945 0RD4701Q609 4 70K 1 4W 3 5 TA52 R951 0RN0910H609 0 91 1 2W 5 TA52 R952 0RD4702A609 47K OHM 1 2 W 7 0 5 TA52 R953 0RX4700J609 470 OHM 1 W 5 TA52 R954 0RD4701Q609 4 70K 1 ...

Page 29: ...nfiguration 1 9 1 2 3 4 5 6 7 8 9 V 3 GND IN V 3 OUT V 2 OUT V 1 OUT V 2 IN V 1 IN VCC VBB LM2469 Monolothic Triple 9nS high Gain CRT Driver Connection Diagram 1 9 M24C08 Serial I2C BUS EEPROM SYMBOL E0 E2 SDA SCL WC Vcc Vss DESCRIPTION Chip Enable Input Serial Data Address Input Output Serial Clock Write Control Supply Voltage Ground 1 PSDIP8 BN 0 25mm Frame 8 1 1 SO8 MN 150mil Width TSSOP8 DW 16...

Page 30: ... 31 SCHEMATIC DIAGRAM ...

Page 31: ... 33 CIRCUIT BOARD 4 MAIN BOARD Solder Side 2 CONTROL BOARD Solder Side ...

Search results

Summary of Contents for 775FT

Reviews:

Related manuals for 775FT

Brands by name

Popular brands

LG 775FT, Service Manual

Search results

Summary of Contents for 775FT

Reviews:

Related manuals for 775FT

Brands by name

Popular brands