LG RE-28CB80RX Service Manual Download Page 28

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LOCA. NO PART NO DESCRIPTION

R320

R321

R322

R323

R324

R325

R326

R327

R328

R330

R331

R402

R403

R404

R405

R408

R409

R410

R411

R413

R414

R415

R416

R417

R419

R420

R43

R44

R45

R46

R47

R48

R49

R50

R509

R51

R517

R519

R523

R525

R526

R528

R531

R532

R533

R534

R537

R541

R542

R543

R544

R545

0RD1001F609

0RS0561K619

0RD1501F609

0RD2702F609

0RD4700F609

0RS2701H609

0RS1501H609

0RN8201F609

0RD3001F609

0RD2401F609

0RD1001F609

0RD5600H609

0RD0332H609

0RS2700K619

0RS0221K607

0RS1801H609

0RMZVBK002D

0RS7502H609

0RS2202H609

0RS1001H609

0RD1002F609

0RD1001F609

0RD5603F609

0RD7501H609

0RS0472K607

0RD3300F609

0RD4701F609

0RD1201F609

0RD8200F609

0RD3600F609

0RD4300F609

0RD5600F609

0RD1001F609

0RD0752F609

0RD3301F609

0RD3000F609

0RD1001F609

0RD1002F609

0RD6801F609

0RD2702F609

0RD6801F609

0RD1201F609

0RD1200F609

0RD2201F609

0RD1000F609

0RD2202F609

0RD2700F609

0RD2200F609

0RD2202F609

0RD0332F609

0RD1800F609

1K OHM 1/6 W 5% TA52

5.6 OHM 2 W 5% TR

1.5K OHM 1/6 W 5% TA52

27K OHM 1/6 W 5.00% TA52

470 OHM 1/6 W 0.05 TA52

2.7K OHM 1/2 W 5.00% TA52

1.5K OHM 1/2 W 5.00% TA52

8.2K OHM 1/6 W 5.00% TA52

3K OHM 1/6 W 5.00% TA52

2.4K OHM 1/6 W 5.00% TA52

1K OHM 1/6 W 5% TA52

560 OHM 1/2 W 5.00% TA52

33 OHM 1/2 W 5.00% TA52

270 OHM 2 W 5% TR

2.2 OHM 2 W 5.00% TA62

1.8K OHM 1/2 W 5.00% TA52

15K OHM 5W +/-5% RSR V-TYPE

75K OHM 1/2 W 5.00% TA52

22K OHM 1/2 W 5.00% TA52

1K OHM 1/2 W 5.00% TA52

10K OHM 1/6 W 5% TA52

1K OHM 1/6 W 5% TA52

560K OHM 1/6 W 5.00% TA52

7.5K OHM 1/2 W 5.00% TA52

47 OHM 2 W 5.00% TA62

330 OHM 1/6 W 5.00% TA52

4.7K OHM 1/6 W 5% TA52

1.2K OHM 1/6 W 5% TA52

820 OHM 1/6 W 5.00% TA52

360 OHM 1/6 W 5.00% TA52

430 OHM 1/6 W 5.00% TA52

560 OHM 1/6 W 5% TA52

1K OHM 1/6 W 5% TA52

75 OHM 1/6 W 5.00% TA52

3.3K OHM 1/6 W 5.00% TA52

300 OHM 1/6 W 5.00% TA52

1K OHM 1/6 W 5% TA52

10K OHM 1/6 W 5% TA52

6.8K OHM 1/6 W 5.00% TA52

27K OHM 1/6 W 5.00% TA52

6.8K OHM 1/6 W 5.00% TA52

1.2K OHM 1/6 W 5% TA52

120 OHM 1/6 W 5.00% TA52

2.2K OHM 1/6 W 5.00% TA52

100 OHM 1/6 W 5% TA52

22K OHM 1/6 W 5% TA52

270 OHM 1/6 W 5% TA52

220 OHM 1/6 W 5.00% TA52

22K OHM 1/6 W 5% TA52

33 OHM 1/6 W 5.00% TA52

180 OHM 1/6 W 5.00% TA52

LOCA. NO PART NO DESCRIPTION

R546

R548

R549

R550

R552

R553

R554

R556

R557

R558

R559

R560

R570

R571

R590

R601

R602

R603

R604

R607

R608

R609

R610

R611

R624

R629

R662

R663

R664

R681

R801

R802

R803

R804

R805

R806

R807

R808

R809

R810

R811

R813

R821

R822

R850

R852

R854

R858

R861

R862

R863

R869

0RD0472F609

0RD4300F609

0RD1800F609

0RD0472F609

0RD4300F609

0RD1800F609

0RD0472F609

0RD4300F609

0RD2701F609

0RD0222F609

0RD1001F609

0RD4701F609

0RD1800F609

0RD3901F609

0RD0822F609

0RD1001F609

0RD1002F609

0RD1001F609

0RD3301F609

0RS0681H609

0RD3301F609

0RD2401F609

0RD4702F609

0RD2401F609

0RD0912F609

0RD1000F609

0RD1002F609

0RD1000F609

0RKZVTA001K

180-822M

0RD0102H609

0RD4701F609

0RD1001F609

180-A01C

0RKZVTA001C

0RD3301F609

0RS2702K619

0RD4701F609

0RS2702K619

0RD1002F609

0RD3601F609

0RD3301F609

0RD0471F609

0RS0102K619

0RD4702F609

0RD0471F609

0RD5600F609

0RD5601F609

0RD2001F609

0RD4701F609

47 OHM 1/6 W 5% TA52

430 OHM 1/6 W 5.00% TA52

180 OHM 1/6 W 5.00% TA52

47 OHM 1/6 W 5% TA52

430 OHM 1/6 W 5.00% TA52

180 OHM 1/6 W 5.00% TA52

47 OHM 1/6 W 5% TA52

430 OHM 1/6 W 5.00% TA52

2.7K OHM 1/6 W 5% TA52

22 OHM 1/6 W 5.00% TA52

1K OHM 1/6 W 5% TA52

4.7K OHM 1/6 W 5% TA52

180 OHM 1/6 W 5.00% TA52

3.9K OHM 1/6 W 5% TA52

82 OHM 1/6 W 5.00% TA52

1K OHM 1/6 W 5% TA52

10K OHM 1/6 W 5% TA52

1K OHM 1/6 W 5% TA52

3.3K OHM 1/6 W 5.00% TA52

6.8 OHM 1/2 W 5.00% TA52

3.3K OHM 1/6 W 5.00% TA52

2.4K OHM 1/6 W 5.00% TA52

47K OHM 1/6 W 5% TA52

2.4K OHM 1/6 W 5.00% TA52

91 OHM 1/6 W 5.00% TA52

100 OHM 1/6 W 5% TA52

10K OHM 1/6 W 5% TA52

100 OHM 1/6 W 5% TA52

0.47M OHM 1/2 W 5% TA52 PILKOR

RWR 15W 1.0 OHM J PD

10 OHM 1/2 W 5.00% TA52

4.7K OHM 1/6 W 5% TA52

1K OHM 1/6 W 5% TA52

2 W RWR G 2W 0.12 J TA31(63)

8.2M OHM 1/2 W 5% TA52 UL PILKOR

3.3K OHM 1/6 W 5.00% TA52

27K OHM 2 W 5.00% TR

4.7K OHM 1/6 W 5% TA52

27K OHM 2 W 5.00% TR

10K OHM 1/6 W 5% TA52

3.6K OHM 1/6 W 5.00% TA52

3.3K OHM 1/6 W 5.00% TA52

4.7 OHM 1/6 W 5% TA52

10 OHM 2 W 5% TR

47K OHM 1/6 W 5% TA52

4.7 OHM 1/6 W 5% TA52

560 OHM 1/6 W 5% TA52

5.6K OHM 1/6 W 5% TA52

2K OHM 1/6 W 5% TA52

4.7K OHM 1/6 W 5% TA52

For Capacitor & Resistors,
the charactors at 2nd and 3rd
digit in the P/No. means as
follows;

CC, CX, CK, CN : Ceramic
CQ : Polyestor
CE : Electrolytic

RD : Carbon Film
RS : Metal Oxide Film
RN : Metal Film
RF : Fusible

Summary of Contents for RE-28CB80RX

Page 1: ...ASSIS READ THE SAFETY PRECAUTIONS IN THIS MANUAL CHASSIS MC 022A MODEL RE RL 28CB80RX website http biz LGservice com e mail http www LGEservice com techsup html ON OFF VIDEO L MONO R AUDIO MENU OK VOL PR A V3 ON OFF VIDEO L MONO R AUDIO MENU OK VOL PR A V3 ...

Page 2: ...ty Precautions 3 Specifications 4 Control Descriptions 5 Disassembly Instructions 8 Adjustment Instructions 9 Block Diagram 16 T rouble Shooting 18 Exploded View 22 Exploded View Parts List 23 Replacement Parts List 24 SVC Sheet ...

Page 3: ...perform an AC leakage current check on the exposed metallic parts of the cabinet such as antennas terminals etc to be sure the set is safe to operate without damage of electrical shock Leakage Current Cold Check Antenna Cold Check With the instrument AC plug removed from AC source connect an electrical jumper across the two AC plug prongs Place the AC switch in the on positioin connect one lead of...

Page 4: ...me memory 200 Programme memory W O TXT Model O Antenna input impedance VHF UHF 75 ohm unbalanced O Voice coil impedance 8 ohm O External In Output Audio In 0 5Vrms 3db over 10Kohm Audio Out 0 5Vrms 3db below 1Kohm Video In Out 1Vp p 3db 75ohm R G B In 0 7Vp p 3db O Feature Funtion Teletext TOP FLOF LIST AV Input Side or Front 1 Rear 2 Component Input Rear Opt PERI TV Connector AV Input SCART Opt R...

Page 5: ...tings 6 VCR BUTTONS option control a LG video cassette recorder 7 SSM Sound Status Memory recalls your preferred sound setting 8 I II option selects the language during dual language broadcast option selects the sound output 9 PSM Picture Status Memory recalls your preferred picture setting 10 TELETEXT BUTTONS option These buttons are used for teletext For further details see the ÔTeletextÕ sectio...

Page 6: ... sub pictures COLOURED BUTTONS These buttons are used for teletext only TELETEXT models or programme edit Battery installation The remote control handset is powered by two AA type batteries To load the batteries turn the remote control handset over and open the battery compartment Install two batteries as indicated by the polarity symbols and marked inside the compartment Note To avoid damage from...

Page 7: ...nect the headphone plug to this socket 12 AUDIO VIDEO IN SOCKETS AV3 Connect the audio video out sockets of external equipment to these sockets S VIDEO AUDIO IN SOCKETS S AV option Connect the video out socket of an S VIDEO VCR to the S VIDEO socket Connect the audio out sockets of the S VIDEO VCR to the audio sockets as in AV3 Note Do not place any heavy objects over 4Kg on the RE RL 29FA33 serie...

Page 8: ...al 1 Pull out the CPT board from the CPT neck 2 Place the front cabinet on soft material not to mar the front surface or damage control knobs 3 Remove 4 screws securing the picture tube mounting brackets to the front cabinet 4 Carefully separate CPT from the front cabinet PICTURE TUBE HANDLING CAUTION Due to high vacuum and large surface area of picture tube great care must be exercised when handl...

Page 9: ... 2 Adjust the upper Focus volume of FBT for the best focus of area A 3 Repeat above step 1 and 2 for the best overall focus 5 Screen Voltage White Balance Adjustment 5 1 Adjustment of screen manually Using ADJ Remote Control 1 Receive the PAL or SECAM NTSC signal into RF mode regardless of channel 2 If you press the ÒADJÓbutton in LINE SVC mode IN START button the LINE SVC mode changes to screen a...

Page 10: ... 3 PAL 16 9 PAL ZOOM NTSC 4 3 NTSC 16 9 NTSC ZOOM 3 After finishing deflection adjustment press the ENTER button to enter or exit in SVC mode VL Vertical Linearity Adjust so that the boundary line between upper and lower half is in accord with geometric horizontal center of the CPT VA Vertical Amplitude Adjust so that the circle of a digital circle pattern may be located within the effective scree...

Page 11: ...7E9 07B4 0840 0840 0000B 0050 00CF 0025 00BF 0000 009F 0600 0900 0000 003F 0400 0EFF 0700 08FF 06E0 0840 06A0 0AFF 0790 08E0 0790 08E0 ITEM RANGE Z50Hz N50Hz W50Hz VA VL SC VS HS EW ET EP ES EC PIP P 11 0 0 0 0 0 0 14 0 0 0 22 3 0 0 0 22 0 19 0 0 0 009A 00F3 00D0 0774 0019 0B96 07DE 07BF 085C 082B 0007 0050 00CF 0025 00BF 0000 009F 0600 0900 0000 003F 0400 0EFF 0700 08FF 06E0 0840 06A0 0AFF 0790 0...

Page 12: ...reparation for Adjustment 1 This decides funtion in accordance with model Press the SVC TX adjustment button IN START button at SVC mode then adjust the option at OPTION 1 2 3 4 mode 2 Mark the option adjustment data like 111 11 111 11 in BOM 8 2 Adjustment Method 1 Input data directly by the buttons corresponded with OPTION1 0 255 OPTION2 0 255 OPTION3 0 127 OPTION 4 0 255 2 Select each OPTION fu...

Page 13: ... SAVE DUAL SOUND Condition PHONE JACK SCART JACK NORMAL VOLUME CURVE RUSHED VOLUME CURVE Without DVD INPUT With DVD INPUT Without HOTEL OPTION With HOTEL OPTION MAX VOLUME TXT Model W O TXT Model 1 PIP or W O PIP 2 PIP CE RE MODEL CL RL MODEL CT RT MODEL 1 TUNER Model 2 PIP only 1 TUNER Model 2 PIP only PAL model ALL PIP SYS TBS WOOF AV2 MONO GAME Option Code 0 1 0 1 0 1 0 1 0 1 0 1 0 1 2 3 Functi...

Page 14: ...Cyrilic E Russia EU EAST E Ger Rum Pin Hung Chez EU EAST All E Ger Rum Pol Hung Chez Russia English Only Eng EU 7 E Ger Fr Ita Spain Holand Port EU NORTH E Ger Fr Holand Swe Nor Den Fin Cyrilic E Russia EU EAST E Ger Rum Pin Hung Chez EU EAST All E Ger Rum Pol Hung Chez Russia English Only Eng EU 5 E Ger Fr Ita Spain English Only Eng Vietnam E Vietnam Hindi E Hindi China E China Eng Spain Port Spa...

Page 15: ...nglish WEST EU EAST EU Turkey Cyrillic3 Arab English WEST EU EAST EU Turkey Cyrillic3 WEST EU EAST EU Turkey Cyrillic3 WEST EU EAST EU Turkey Cyrillic3 Arab English Farsi English Farsi only 3834 only W TXT Arab Asia 3834 only W TXT WEST EU 3834 only W TXT EAST EU 3834 only W TXT 28Ó WIDE FLAT 3834 only W TXT OPTION TXT L ...

Page 16: ...orizontal Deflection TO TO Cathode Cathode 0f 0f CPT CPT AT24C16 EEPROM I I 2 2 C Bus C Bus Tilt Control Tilt Tilt Controller TO TO TILT TILT COIL COIL VCT 3801 3804 3834 Main Control Processor MSP 34xxG Sound Processor TDA 6109 6107 JF R G B AMP R G B W O PIP CVBS H Out V Sinc Protect H H DY DY FBT FBT H Sinc V V DY DY VA H Out V Out TDA 7297 7266 Sound Amp TDA 2066 Mono Opt W O PIP AV1 2 3 Y C V...

Page 17: ...DA6109 MSP 34XX Sound Processor 7805 Tuner Main VCT3834 LD3 3V TDA 2006 Mono Opt SDA 9489X PIP Processor CXA 2040AQ Video Switch EYE Opt Tilt Opt STK396 110 VM IC 12V SMPS TRANS ST BY TRANS ST 5V 12V 9V 5V PIP AV SW OPT 7805 LD3 3V 5V Tuner Sub Relay VM 200V FBT LA 7845 V AMP Á 14V FBT EW AMP 28V FBT T803 T802 IC01 IC661 IC602 ICP01 ICP101 IC901 HIC920 ...

Page 18: ... NO NO NO Check The Voltage At pin 16 33 46 of IC661 Check Replace Q671 672 Check Replace Q621 IC603 Check Replace F851 D862 Check Replace IC610 IC853 Check The voltage At pin of IC610 IC853 NO OK OK OK OK OK OK NO No Raster Sound OK Check the Heater voltage of CPT 6 6 5Vrms Check HV Screen Voltage of CPT Check IK Current of IC01 pin37 39 40 Check the Heater pulse of FBT T402 Check Replace CPT Boa...

Page 19: ...C01 H Out Check Q402 Collector waveform Check T401 each pin voltage Check Replace T402 Is the voltage at pin3 15 45 IC02 5V Check the In out of IC855 IC851 Check the In out of IC06 IC07 Check IC01 Pin1 high Check Replace IC01 Check Replace IC01 Check Replace Q402 Check Replace T401 Check Replace IC01 IC03 Check the Voltage at D860 or D858 cathode Check Replace F853 F855 Normal Abnormal Ok 254 380 ...

Page 20: ... IIC Bus Line Of Tuner Is the CVBS signal OK IC01 pin10 or 22 Check R G B signal At IC01 pin42 43 44 Check Replace CPT Board component Go to No Sound Picture OK Check IC01 pin37 42 43 44 IK R G B Check Replace IC01 Check 5V 33V IIC Bus Line Check Replace IC01 Tuner Check CVBS signal Line IC01 Check IK Signal at IC01 pin37 similar to CBVS No No No No No OK OK OK OK OK OK OK OK ...

Page 21: ...he waveform At pin 24 25 of IC661 Check waveform At pin 4 12 of IC602 Check the voltage At pin6 7 of IC602 Check the waveform At pin 1 2 14 15 of IC602 Check the voltage Of pin16 20 Check Replace IC602 Check Replace Q621 IC603 Check the vpltage At pin3 13 of IC602 Replace IC 602 Check Replace F851 D862 OK AV OK OK OK OK OK OK NO NO NO NO NO NO OK ...

Page 22: ... 22 P801 520 943 400 913 150 112 170 120 300 320 330 310 104 560 EXPLODED VIEW ...

Page 23: ...S CPT 310 5020V00691A BUTTON CONTROL 320 320 062E SPRING KNOB 330 5020V00692A BUTTON POWER SET 400 3809V00099F BACK COVER ASSEMBLY 407AF MC 022A 520 6871VMMN11L PWB ASSY MAIN MC022A RE 28CB80RX W ST BY 6871VMMN11K PWB ASSY MAIN MC022A RE 28CB80RX W O ST BY 6871VMMN11M PWB ASSY MAIN MC022A RL 28CB80RX 560 6871VSM842B PWB ASSY SUB 022A CURRENT HARMONICS 7A 913 332 229B SCREW ASSY HEXAGON HEAD SPECIA...

Page 24: ...2SA1980Y TP AUK 5P 50V D NP0 TS 5P 50V D NP0 TS LOCA NO PART NO DESCRIPTION IC01 Ò IC03 IC06 IC07 IC09 IC301 IC302 IC602 IC603 IC610 IC661 IC662 IC801 IC802 IC803 IC851 Ò IC853 IC855 IC856 IC901 D110 D301 D302 D401 D402 D403 D404 D405 D406 D408 D505 D506 D802 D803 D804 D811 D812 D813 D814 D815 D850 D851 D852 D853 D854 D856 D857 0ICTMMN004B 0ICTMMN005B 0IMCRAL010A 0ISG111733B 0ISG111733B 0IFA752700...

Page 25: ...48 C249 C25 C27 C28 C29 C30 C301 C302 C303 C304 C305 C306 C308 C309 C310 C311 C401 C402 C403 C405 C407 C408 C409 C410 C411 C413 C415 C416 C419 C420 C422 C501 C502 C503 C504 C505 C506 C509 C511 C512 C515 C516 C517 C518 C520 C521 C522 C523 C524 C559 C561 0CN4710K519 0CN4710K519 0CN1040K949 0CE476DF618 0CN1030F679 0CE107DD618 0CE226DF618 0CQ1031N509 0CQ3341N401 0CE107BK618 0CQ6821N509 0CQ1021N509 0CQ...

Page 26: ...A52 LOCA NO PART NO DESCRIPTION C853 C854 C855 C857 C858 C860 C861 C862 C864 C865 C867 C871 C872 C873 C874 C901 C902 C903 C904 JK201 JK202 JK203 JP801B JP802B JW8A JW8B P102 P401 P501 P502 P601 P602 P801 P802 P901 P902 P903 P904 J134 J265 L01 L04 L05 L08 L103 L121 0CE477DH618 0CE107DF618 0CE107DD618 0CE108BF618 0CE108BF618 0CE108BF618 0CE108DF618 0CE335CK636 0CE108BH618 181 091Q 0CE227DK618 0CE227...

Page 27: ...OHM 1 6 W 5 TA52 100 OHM 1 6 W 5 TA52 47K OHM 1 6 W 5 TA52 47K OHM 1 6 W 5 TA52 LOCA NO PART NO DESCRIPTION J316 R01 R02 R06 R07 R08 R09 R10 R102 R11 R119 R126 R127 R129 R130 R131 R132 R133 R135 R136 R137 R18 R201 R202 R205 R206 R207 R208 R209 R210 R211 R212 R214 R215 R217 R230 R231 R24 R301 R302 R305 R306 R307 R309 R310 R311 R312 R313 R315 R316 R317 R319 0RD1000F609 0RD1000F609 0RD1000F609 0RD300...

Page 28: ...W 5 00 TA52 LOCA NO PART NO DESCRIPTION R546 R548 R549 R550 R552 R553 R554 R556 R557 R558 R559 R560 R570 R571 R590 R601 R602 R603 R604 R607 R608 R609 R610 R611 R624 R629 R662 R663 R664 R681 R801 R802 R803 R804 R805 R806 R807 R808 R809 R810 R811 R813 R821 R822 R850 R852 R854 R858 R861 R862 R863 R869 0RD0472F609 0RD4300F609 0RD1800F609 0RD0472F609 0RD4300F609 0RD1800F609 0RD0472F609 0RD4300F609 0RD2...

Page 29: ...17910B LG C D NON 12V SWITCH TACT SKHV17910B LG C D NON 12V SWITCH TACT SKHV17910B LG C D NON 12V SWITCH TACT SKHV17910B LG C D NON 12V SWITCH PUSH SDKEA3 250V 8A HORIZONTAL 480G FILTER FERRITE BFD3565R2F TAPING FILTER FERRITE BFD3565R2F TAPING FILTER FERRITE 1UH TAPING FILTER FERRITE BFD3565R2F TAPING FILTER FERRITE 1UH TAPING FILTER FERRITE 1UH TAPING FILTER FERRITE 1UH TAPING FILTER NFV6T2A106W...

Page 30: ......

Page 31: ...D4 J236 D4 J237 D5 J238 D2 J239 F5 J240 D4 J241 D4 J242 D1 J244 D2 J245 D1 J246 D1 J247 D4 J248 D4 J249 D5 J250 D5 J251 D5 J252 D3 J253 E4 J254 E5 J255 E4 J256 E4 J257 E3 J258 E2 J259 E5 J260 E4 J261 E4 J262 E4 J263 E3 J264 E3 J265 E1 J266 E5 J267 E5 J268 E2 J269 F1 J270 E4 J271 F2 J272 F5 J273 F4 J274 F5 J275 F1 J276 F1 J277 F3 J278 F4 J279 G2 J280 G2 J281 F3 J282 G1 J283 G3 J284 G1 J285 F4 J286 ...

Page 32: ...SVC SHEET 3854V A0098A S SVC SHEET ...

Page 33: ...Dec 2002 Printed in Korea P NO 3828VD0118Y ...

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