Service Manual
Page 1
website:http://biz.LGservice.com e-mail:http://www.LGEservice.com/techsup.html Digital LCD Combi TV SERVICE MANUAL CHASSIS : ML-027B MODEL : KT-17LZ21 CAUTION BEFORE SERVICING THE CHASSIS, READ THE SAFETY PRECAUTIONS IN THIS MANUAL.
website:http://biz.LGservice.com e-mail:http://www.LGEservice.com/techsup.html Digital LCD Combi TV SERVICE MANUAL CHASSIS : ML-027B MODEL : KT-17LZ21 CAUTION BEFORE SERVICING THE CHASSIS, READ THE SAFETY PRECAUTIONS IN THIS MANUAL.
Service Manual
Page 2
SHEET ... CONTENTS CONTENTS ...2 PRODUCT SAFETY ...3 SPECIFICATION ...4 DESCRIPTION OF CONTROLS ...7 ADJUSTMENT INSTRUCTION...11 TROUBLE SHOOTING ...14 BLOCK DIAGRAM...15 PRINTED CIRCUIT BOARD ...16 EXPLODED VIEW ...19 EXPLODED VIEW PARTS LIST ...20 REPLACEMENT PARTS LIST ...21 SVC.
SHEET ... CONTENTS CONTENTS ...2 PRODUCT SAFETY ...3 SPECIFICATION ...4 DESCRIPTION OF CONTROLS ...7 ADJUSTMENT INSTRUCTION...11 TROUBLE SHOOTING ...14 BLOCK DIAGRAM...15 PRINTED CIRCUIT BOARD ...16 EXPLODED VIEW ...19 EXPLODED VIEW PARTS LIST ...20 REPLACEMENT PARTS LIST ...21 SVC.
Service Manual
Page 3
... not remove a replacement ES device from the AC power line. Use a transformer of the assembly. 3. PRODUCT SAFETY IMPORTANT SAFETY NOTICE This manual was prepared for potential shock reasons prior to applying power to solder or unsolder ES devices. 4. These components are required to protect against personal injury from AC source, connect an electrical jumper across the two AC plug...
... not remove a replacement ES device from the AC power line. Use a transformer of the assembly. 3. PRODUCT SAFETY IMPORTANT SAFETY NOTICE This manual was prepared for potential shock reasons prior to applying power to solder or unsolder ES devices. 4. These components are required to protect against personal injury from AC source, connect an electrical jumper across the two AC plug...
Service Manual
Page 4
... ~ S41 V/UHF : 1 ~62 CATV : C13 ~ C38 4 Input voltage AC 100 - 240V/ 50Hz,60HZ AC 100 - 240V/50Hz AC 100V,50/60Hz 5 6 7 8 9 Picture size Tuning system Operting environment Storage environment Display 584.40 mm FVS 100 program FS 1)Temp : 0 ~ 40 deg 2)Humidity : 85% 3)Temp : -20 ~ 60 deg 4)Humidity : 85% LCD Module LG-PHILPS 23.01" PAL, 200PR.(Option...
... ~ S41 V/UHF : 1 ~62 CATV : C13 ~ C38 4 Input voltage AC 100 - 240V/ 50Hz,60HZ AC 100 - 240V/50Hz AC 100V,50/60Hz 5 6 7 8 9 Picture size Tuning system Operting environment Storage environment Display 584.40 mm FVS 100 program FS 1)Temp : 0 ~ 40 deg 2)Humidity : 85% 3)Temp : -20 ~ 60 deg 4)Humidity : 85% LCD Module LG-PHILPS 23.01" PAL, 200PR.(Option...
Service Manual
Page 5
... 7 Power ON Stand by DPMS Mode Power off 5.General Specification(Monitor) No. 1 2 Panel Frequency range Item Specification 23.01" (17.1") wide TFT WXGA LCD H:31 ~ 61KHz, V: 56 ~ 85Hz 1: RED 3: BLUE 5: S.T(GND) 3 D-SUB Pin configuration 7: Green GND 9: N.C 11: ID0(GND) 13: H-Sync 15:SCL 4 Control function 2: Green 4: ID2(GND) 6: RED GND 8: Blue GND 10: D-GND 12: SDA 14:V-Sync Shell: GND 10: Digital GND...
... 7 Power ON Stand by DPMS Mode Power off 5.General Specification(Monitor) No. 1 2 Panel Frequency range Item Specification 23.01" (17.1") wide TFT WXGA LCD H:31 ~ 61KHz, V: 56 ~ 85Hz 1: RED 3: BLUE 5: S.T(GND) 3 D-SUB Pin configuration 7: Green GND 9: N.C 11: ID0(GND) 13: H-Sync 15:SCL 4 Control function 2: Green 4: ID2(GND) 6: RED GND 8: Blue GND 10: D-GND 12: SDA 14:V-Sync Shell: GND 10: Digital GND...
Service Manual
Page 6
...) mode Film mode Noise reduction Progressive scan Motion detection Dolby virtual Swivel Speaker EZ-pip Item Specification TOP, FLOF, LIST 10 page NEC code 2 1 1 Full SCART: 1 1 1 BG,DK BG,I,LL' BG,DK BG,I,LL' O O O X O O O X O Top(option) PAL/NTSC Side and Rear Side Rear(option) Rear(Option,EU) D-Sub 15 pin Stereo Remark 7.General Specification (DVD) No. 1 Item Specification Remark Video/Audio read,decoding and converting DVD Video...
...) mode Film mode Noise reduction Progressive scan Motion detection Dolby virtual Swivel Speaker EZ-pip Item Specification TOP, FLOF, LIST 10 page NEC code 2 1 1 Full SCART: 1 1 1 BG,DK BG,I,LL' BG,DK BG,I,LL' O O O X O O O X O Top(option) PAL/NTSC Side and Rear Side Rear(option) Rear(Option,EU) D-Sub 15 pin Stereo Remark 7.General Specification (DVD) No. 1 Item Specification Remark Video/Audio read,decoding and converting DVD Video...
Service Manual
Page 7
... SOUND LIST/ZOOM MULTIMEDIA SKIP PLAY/PAUSE / II SCAN STOP SKIP SCAN DISK MENU TITLE MENU PROGRAM REPEAT SLEEP M A-B POSITION SCAN ANGLE SIZE ARC 10 STILL 11 / (Programme Up/Down) selects a programme or a menu item. SIZE adjusts the sub picture size. SWAP returns to standby. 2. Remote control handset POWER 1 2 3 4 PR SWAP MENU PR OPEN/CLOSE MUTE PIP TV/AV I/II/AUDIO TEXT/SUB-T PR + INPUT EXIT Before you use the remote control handset, please install the batteries. SLEEP sets the sleep timer. 11. SCAN switches...
... SOUND LIST/ZOOM MULTIMEDIA SKIP PLAY/PAUSE / II SCAN STOP SKIP SCAN DISK MENU TITLE MENU PROGRAM REPEAT SLEEP M A-B POSITION SCAN ANGLE SIZE ARC 10 STILL 11 / (Programme Up/Down) selects a programme or a menu item. SIZE adjusts the sub picture size. SWAP returns to standby. 2. Remote control handset POWER 1 2 3 4 PR SWAP MENU PR OPEN/CLOSE MUTE PIP TV/AV I/II/AUDIO TEXT/SUB-T PR + INPUT EXIT Before you use the remote control handset, please install the batteries. SLEEP sets the sleep timer. 11. SCAN switches...
Service Manual
Page 8
... desired picture format. clears the menu from standby. 18. DVD BUTTONS controls a LG DVD player. I /II/AUDIO TEXT/SUB-T PR + INPUT EXIT 12 13 14 15 VOL OK VOL Battery installation The remote control handset is powered by the polarity symbols ( + and - ) marked inside the compartment. 16 17 18 19 ? 3D SOUND LIST/ZOOM MULTIMEDIA SKIP PLAY/PAUSE / II SCAN STOP SKIP SCAN DISK MENU TITLE MENU PROGRAM REPEAT SLEEP STILL M A-B POSITION SCAN ANGLE SIZE ARC 20...
... desired picture format. clears the menu from standby. 18. DVD BUTTONS controls a LG DVD player. I /II/AUDIO TEXT/SUB-T PR + INPUT EXIT 12 13 14 15 VOL OK VOL Battery installation The remote control handset is powered by the polarity symbols ( + and - ) marked inside the compartment. 16 17 18 19 ? 3D SOUND LIST/ZOOM MULTIMEDIA SKIP PLAY/PAUSE / II SCAN STOP SKIP SCAN DISK MENU TITLE MENU PROGRAM REPEAT SLEEP STILL M A-B POSITION SCAN ANGLE SIZE ARC 20...
Service Manual
Page 9
... PLAY/PAUSE SKIP/SCAN 11 SKIP/SCAN 14 12 REPEAT 13 OPEN/CLOSE 7 8 1. ON/OFF switches the set on from standby or off . 2. switches the set on from standby. 9. side panel 10. OPEN/CLOSE Open or close the disc tray. Note : When DISC TRAY doesn't work, press the OPEN/CLOSE button on the disc tray. OK accepts your selection or displays the current mode. 5. / (Volume Up/Down) adjusts the volume...
... PLAY/PAUSE SKIP/SCAN 11 SKIP/SCAN 14 12 REPEAT 13 OPEN/CLOSE 7 8 1. ON/OFF switches the set on from standby or off . 2. switches the set on from standby. 9. side panel 10. OPEN/CLOSE Open or close the disc tray. Note : When DISC TRAY doesn't work, press the OPEN/CLOSE button on the disc tray. OK accepts your selection or displays the current mode. 5. / (Volume Up/Down) adjusts the volume...
Service Manual
Page 10
... of external equipment to these sockets. AUDIO/VIDEO IN SOCKETS (AV) Connect the audio/video out sockets of the S-VIDEO VCR to the SVIDEO socket. DC 15V INPUT SOCKET 2. DVD VIDEO OUT SOCKET 4. DVD DIGITAL SOUND OUT SOCKET Connect to digital audio from various types of an S-VIDEO VCR to the audio sockets as in AV. HEADPHONE SOCKET Connect the headphone plug to this socket. 8. Back panel 7 AV S-VIDEO VIDEO 8 DC IN (15V) Y PB COMPONENT PR DVD/DTV IN L AUDIO R VIDEO DVD OUT OPTICAL DIGITAL SOUND...
... of external equipment to these sockets. AUDIO/VIDEO IN SOCKETS (AV) Connect the audio/video out sockets of the S-VIDEO VCR to the SVIDEO socket. DC 15V INPUT SOCKET 2. DVD VIDEO OUT SOCKET 4. DVD DIGITAL SOUND OUT SOCKET Connect to digital audio from various types of an S-VIDEO VCR to the audio sockets as in AV. HEADPHONE SOCKET Connect the headphone plug to this socket. 8. Back panel 7 AV S-VIDEO VIDEO 8 DC IN (15V) Y PB COMPONENT PR DVD/DTV IN L AUDIO R VIDEO DVD OUT OPTICAL DIGITAL SOUND...
Service Manual
Page 11
... temperature and 65±10% of relative humidity if there is no specific designation. (4) The input voltage of the receiver must keep 100~220V, 50/60Hz in adjusting. (5) The set . [ The time for more than 15 minutes in the internal part of XGA(1024X768) 16 tones by using MSPG-925LTH. (2) In Service menu mode,adjust the Auto gay from 0 to 1 by using Vol(+) button.
... temperature and 65±10% of relative humidity if there is no specific designation. (4) The input voltage of the receiver must keep 100~220V, 50/60Hz in adjusting. (5) The set . [ The time for more than 15 minutes in the internal part of XGA(1024X768) 16 tones by using MSPG-925LTH. (2) In Service menu mode,adjust the Auto gay from 0 to 1 by using Vol(+) button.
Service Manual
Page 13
... Off HDEV ON Eng.only Eng/Deut/Fran/Ital/Esp 2 6(EU5+Netherlands) 4 Function Remark 3 4 5 6 7 8 9 10 11 12 13 14 15 16 ACMS EDID(The Extended Display Identification Data) EDID Table 00 00 10 20 30 40 50 60 70 00 00 14 81 01 01 26 00 01 FF 0B 50... 00 00 0F 00 24 59 01 01 00 FD C8 6. Option1 data Option 200PR Code 0 1 TEXT 0 1 I/II Save Top 0 1 0 1 Scart A2 Ster 0 1 0 1 System 0 1 2 3 Function 100 Program 200 Program TEXT Off TEXT On CH.Sound Non Memory CH.Sound Memory TOP OFF TOP ON SCART OFF SCART ON FM Stereo/Dual FM Mono GB/I/DK...
... Off HDEV ON Eng.only Eng/Deut/Fran/Ital/Esp 2 6(EU5+Netherlands) 4 Function Remark 3 4 5 6 7 8 9 10 11 12 13 14 15 16 ACMS EDID(The Extended Display Identification Data) EDID Table 00 00 10 20 30 40 50 60 70 00 00 14 81 01 01 26 00 01 FF 0B 50... 00 00 0F 00 24 59 01 01 00 FD C8 6. Option1 data Option 200PR Code 0 1 TEXT 0 1 I/II Save Top 0 1 0 1 Scart A2 Ster 0 1 0 1 System 0 1 2 3 Function 100 Program 200 Program TEXT Off TEXT On CH.Sound Non Memory CH.Sound Memory TOP OFF TOP ON SCART OFF SCART ON FM Stereo/Dual FM Mono GB/I/DK...
Service Manual
Page 14
... until the screen displayes normally. General Features No. 1 Symptom No screen Cause Input error of inverter connector 2. Recheck adn repair JA202,IC202 2 Screen position error Screen position error horizontally or vertically Soldering D-SUB Jack of shield and SJ209, Replace shield case. Check and repair tuner board and main board 1) Replace the inverter 2) Replace the LCD lamp 2) Check the connector input. TV and external input No. 1 Symptom No sound - Re-soldering 2 Video color beat...
... until the screen displayes normally. General Features No. 1 Symptom No screen Cause Input error of inverter connector 2. Recheck adn repair JA202,IC202 2 Screen position error Screen position error horizontally or vertically Soldering D-SUB Jack of shield and SJ209, Replace shield case. Check and repair tuner board and main board 1) Replace the inverter 2) Replace the LCD lamp 2) Check the connector input. TV and external input No. 1 Symptom No sound - Re-soldering 2 Video color beat...
Service Manual
Page 20
... DVD TOP PRESS METAL,SHIELD EGI DVD BOTTOM PRESS BRACKET,STAND 15LA60 ML012B NON BASE METAL,STAND NON BASE, 15LA60 BRACKET,CONTROL 17LZ21 NON NON NON BACK COVER ASSEMBLY,KT-17LZ21 DVD/COMPONENT 411-960A NON COVER,REAR AV 17LZ20 ABS, HF-380 NON PWB(PCB) ASSEMBLY,MAIN ML-027B KT-17LZ21 MANUAL ASSY METAL,SHIELD NON FOR DVD METAL,SHIELD ET-KZ-17LZ21 BRACKET,REAR AV 17LZ20 NON NON . EXPLODED VIEW PARTS LIST...
... DVD TOP PRESS METAL,SHIELD EGI DVD BOTTOM PRESS BRACKET,STAND 15LA60 ML012B NON BASE METAL,STAND NON BASE, 15LA60 BRACKET,CONTROL 17LZ21 NON NON NON BACK COVER ASSEMBLY,KT-17LZ21 DVD/COMPONENT 411-960A NON COVER,REAR AV 17LZ20 ABS, HF-380 NON PWB(PCB) ASSEMBLY,MAIN ML-027B KT-17LZ21 MANUAL ASSY METAL,SHIELD NON FOR DVD METAL,SHIELD ET-KZ-17LZ21 BRACKET,REAR AV 17LZ20 NON NON . EXPLODED VIEW PARTS LIST...
Service Manual
Page 21
... Electrolytic CF : Fixed Film RD : Carbon Film RS : Metal Oxide Film RN : Metal Film RH : CHIP, Metal Glazed(Chip) RR : Drawing *S *AL LOC. DATE: 2004. 2. 24 DESCRIPTION / SPECIFICATION *S *AL LOC. REPLACEMENT PARTS LIST For Capacitor & Resistors, the charactors at 2nd and 3rd digit in the P/No.... means as follows; DESCRIPTION / SPECIFICATION 100UF STD 16V M FL TP5 100UF STD 16V M FL TP5 100UF STD 16V...
... Electrolytic CF : Fixed Film RD : Carbon Film RS : Metal Oxide Film RN : Metal Film RH : CHIP, Metal Glazed(Chip) RR : Drawing *S *AL LOC. DATE: 2004. 2. 24 DESCRIPTION / SPECIFICATION *S *AL LOC. REPLACEMENT PARTS LIST For Capacitor & Resistors, the charactors at 2nd and 3rd digit in the P/No.... means as follows; DESCRIPTION / SPECIFICATION 100UF STD 16V M FL TP5 100UF STD 16V M FL TP5 100UF STD 16V...
Service Manual
Page 24
...0IFA270000A IC, COPY TE28F800B3TA90 48TSOP IC, KA75270Z 3 TP RE-SET IC MC-0 IC, VPC3230D C5 80P QFP TRAY VID ...POWER IC, MP1583DN MONOLITHIC POWER IC, LM2940S 8V NATIONAL SEMICOND IC, LM2940S 8V NATIONAL SEMICOND IC, M52758FP MITSUBISHI 36PIN, R" IC, AD9883AKST-110 ANALOG DEVICE IC, LMS1587CS-3.3 NATIONAL SEMIC IC, LA7016 8S ANALOG S/W - - - DESCRIPTION / SPECIFICATION... C898 C2302 C658 C660 C682 C683 C684 PART NO. 0CH2474F566 0CH2103K516 0CH2103K516 0CH2103K516 0CH2103K516 0CH2103K516... DATE: 2004. 2. 24. IC, TDA2822M 8D DUAL AUDIO AMP IC, 74VHCU04MX FAIRCHILD 14P SOP IC, 74F14SC FAIRCHILD ...
...0IFA270000A IC, COPY TE28F800B3TA90 48TSOP IC, KA75270Z 3 TP RE-SET IC MC-0 IC, VPC3230D C5 80P QFP TRAY VID ...POWER IC, MP1583DN MONOLITHIC POWER IC, LM2940S 8V NATIONAL SEMICOND IC, LM2940S 8V NATIONAL SEMICOND IC, M52758FP MITSUBISHI 36PIN, R" IC, AD9883AKST-110 ANALOG DEVICE IC, LMS1587CS-3.3 NATIONAL SEMIC IC, LA7016 8S ANALOG S/W - - - DESCRIPTION / SPECIFICATION... C898 C2302 C658 C660 C682 C683 C684 PART NO. 0CH2474F566 0CH2103K516 0CH2103K516 0CH2103K516 0CH2103K516 0CH2103K516... DATE: 2004. 2. 24. IC, TDA2822M 8D DUAL AUDIO AMP IC, 74VHCU04MX FAIRCHILD 14P SOP IC, 74F14SC FAIRCHILD ...
Owners Manual
Page 1
Print to PDF without this message by purchasing novaPDF (http://www.novapdf.com/)
Print to PDF without this message by purchasing novaPDF (http://www.novapdf.com/)
Owners Manual
Page 2
Print to PDF without this message by purchasing novaPDF (http://www.novapdf.com/)
Print to PDF without this message by purchasing novaPDF (http://www.novapdf.com/)
Owners Manual
Page 5
Print to PDF without this message by purchasing novaPDF (http://www.novapdf.com/)
Print to PDF without this message by purchasing novaPDF (http://www.novapdf.com/)
Owners Manual
Page 6
Print to PDF without this message by purchasing novaPDF (http://www.novapdf.com/)
Print to PDF without this message by purchasing novaPDF (http://www.novapdf.com/)