LG KZ-17LZ21 Service Manual

LG KZ-17LZ21 Manual

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  • LG KZ-17LZ21 | 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.
  • LG KZ-17LZ21 | Service Manual - Page 2
    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 ...
  • LG KZ-17LZ21 | Service Manual - Page 3
    PRODUCT SAFETY IMPORTANT SAFETY NOTICE This manual was prepared for use only by properly trained audiovisual service technicians. When servicing this product, under no circumstances should the original design be modified or altered without permission from LG Electronics Inc. All components should be
  • LG KZ-17LZ21 | Service Manual - Page 4
    3. Test and Inspection method (1) Capacity: Follow LG electronics TV Testing Standard. (2) Another Required Standard EMI: Following 40 deg 2)Humidity : 85% 3)Temp : -20 ~ 60 deg 4)Humidity : 85% LCD Module LG-PHILPS 23.01" PAL, 200PR.(Option) NTSC Non-EU,Latin America, EU Japan, USA JAPAN NTSC FRANCE
  • LG KZ-17LZ21 | Service Manual - Page 5
    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:
  • LG KZ-17LZ21 | Service Manual - Page 6
    17 18 19 20 21 Teletext REMOCON AV input S-AV input Component input PERI TV connector RGB input D-sub audio input 2 Carrier stereo NICAM stereo 2 Carrier dual DVD) No. 1 Item Specification Remark Video/Audio read,decoding and converting DVD Video(Single/Double layer),DVD-R/RW, applicable system DVD
  • LG KZ-17LZ21 | Service Manual - Page 7
    handset. Some functions can also be adjusted with the buttons on the front panel of the set. Only the remote control handset supplied will operate this set. 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
  • LG KZ-17LZ21 | Service Manual - Page 8
    12. TV/AV selects the remote operating mode. clears the menu from the screen. switches the set on from standby. 13. I/II/AUDIO (option) selects the language during dual language broadcast. selects the sound output (option). changes the AUDIO status during DVD playback. 14. TELETEXT BUTTONS/SUB-T (
  • LG KZ-17LZ21 | Service Manual - Page 9
    8 1. ON/OFF switches the set on from standby or off to standby. Note : Power line lives even when the power is off. 2. TV/AV//DVD/PC selects the remote operating mode. clears the menu from the screen. switches the set on from standby. 3. MENU selects a menu. 4. OK accepts your selection or displays
  • LG KZ-17LZ21 | Service Manual - Page 10
    DIGITAL SOUND OUT PC SOUND PC INPUT ANT IN +75 Ω Side panel L / MONO AUDIO R 1 2 3 4 5 6 1. DC 15V INPUT SOCKET 2. DVD/DTV INPUT SOCKETS 3. DVD VIDEO OUT SOCKET 4. DVD DIGITAL SOUND OUT SOCKET Connect to digital audio from various types of equipment. 5. PC/SOUND INPUT SOCKETS Connect
  • LG KZ-17LZ21 | Service Manual - Page 11
    1. Application Object This instruction is for the application to the LCD TV. 2. Notes (1) This set uses an the signal of pattern generator with LCD TV. 3-3. Auto Gray Adjustment (1) Apply the gray signal of XGA(1024X768) 16 tones by using MSPG-925LTH. (2) In Service menu mode,adjust the Auto gay
  • LG KZ-17LZ21 | Service Manual - Page 12
    4. Position of Mode Adjustment Timming chart of Receivable Mode Mode H_Display V_Display V_Frequency H_Total H_Blanking H_Sync H_Polarity H_Vp H_Fp H-Freq[KHz] /Clk[MHz] V_Total V_Blanking V_Sync V_Polarity V_Bp V_Fp VGA-60 640 480 60 800 160 96 NEG. 48 16 31.469 25.175 525 45 2 NEG 33 10 VGA-67 640
  • LG KZ-17LZ21 | Service Manual - Page 13
    5. 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 40 01 01 30 32 02 FF 01 54 81 01 01 18 55 03 FF 01 BF 80 01 01 88 1E 04 FF 78 E8 01 01 01 36 46 05 FF 1F 80 01 01 01 00 0D 06 FF 17 31 10 01 01 0E 00 07 00 70 59 0E 01 01 C3 0A
  • LG KZ-17LZ21 | Service Manual - Page 14
    TROUBLESHOOTING 1. General Features No. 1 Symptom No screen Cause Input error of inverter connector P704 connector being slipped out Check Point 1) Bend the pin legs of P1 connector -> recheck them 2) Check and repair JA202 and IC202. 3 Color beat noise 3. TV and external input No. 1 Symptom No
  • LG KZ-17LZ21 | Service Manual - Page 15
    BLOCK DIAGRAM
  • LG KZ-17LZ21 | Service Manual - Page 16
    PRINTED CIRCUIT BOARD MAIN(TOP)
  • LG KZ-17LZ21 | Service Manual - Page 17
    MAIN(BOTTOM)
  • LG KZ-17LZ21 | Service Manual - Page 18
    SIDE AV DVD CONTROL TV CONTROL LED
  • LG KZ-17LZ21 | Service Manual - Page 19
    401 521 400 522 500 523 530 524 582 581 112 311 320 330 310 570 390 340 360 580 350 EXPLODED VIEW 300 120 560 370 540 541 380 550 330 120
  • LG KZ-17LZ21 | Service Manual - Page 20
    (PCB) ASSEMBLY,SUB A/V ML027B KZ-17LZ21 SIDE A/V MANUAL BRACKET,SIDE AV KT-17LZ21 "AV" ML027B ABS, HF380 NON PWB(PCB) ASSEMBLY,SUB LED ML027B KZ-17LZ21 INDEX MANUAL PWB(PCB) ASSEMBLY,SUB CTL ML027B KZ-17LZ21 TV CONTROL PWB(PCB) ASSEMBLY,SUB CTL ML027B KZ-17LZ21 DVD CONTROL DVD-ROM,DSV-810 DVS -MMA
  • LG KZ-17LZ21 | Service Manual - Page 21
    REPLACEMENT PARTS LIST For Capacitor & Resistors, the charactors at 2nd and 3rd digit in the P/No. means as follows; CC, CX, CK, CN, CH : Ceramic CQ : Polyestor CE : Electrolytic CF : Fixed Film RD : Carbon Film RS : Metal Oxide Film RN : Metal Film RH : CHIP, Metal Glazed(Chip) RR : Drawing *S *AL
  • LG KZ-17LZ21 | Service Manual - Page 22
    *S *AL LOC. NO. C1525 C1526 C1528 C1529 C1530 C1531 C1532 C1534 C1535 C1536 C1538 C1539 C1540 C1541 C1542 C1543 C1545 C1546 C1547 C1551 C1553 C1555 C16 C18 C20 C201 C202 C21 C2205 C2206 C2207 C2209 C2210 C2212 C2213 C2216 C2217 C2222 C2301 C289 C290 C291 C292 C3 C301 C302 C303 C304 C305 C306 C313
  • LG KZ-17LZ21 | Service Manual - Page 23
    *S *AL LOC. NO. C537 C538 C539 C540 C541 C542 C543 C544 C545 C555 C560 C561 C566 C57 C574 C575 C582 C59 C60 C605 C61 C612 C618 C62 C621 C622 C624 C626 C627 C628 C63 C632 C636 C637 C639 C64 C640 C644 C645 C65 C657 C659 C66 C662 C663 C664 C665 C666 C667 C668 C67 C677 C679 C680 C686 C687 C7 C701 C702
  • LG KZ-17LZ21 | Service Manual - Page 24
    *S *AL LOC. NO. C676 C678 C681 C892 C893 C896 C897 C9 C905 C908 C911 C913 C915 C917 C957 R983 C107 C2 C337 C347 C349 C351 C353 C45 C46 C619 C777 C802 C804 C820 C832 C835 C837 C839 C840 C898 C2302 C658 C660 C682 C683 C684 PART NO. 0CH2474F566 0CH2103K516 0CH2103K516 0CH2103K516 0CH2103K516
  • LG KZ-17LZ21 | Service Manual - Page 25
    *S *AL LOC. NO. L601 L602 L603 L651 L659 L660 L699 L702 L703 L732 L802 L901 L951 L952 L953 L954 L101 L2203 L2204 L2206 L2207 L2208 L2209 L1003 L1009 L1010 L1011 L216 L217 L218 L219 R2210 PART NO. 6210TCE001G 6210TCE001G 6210TCE001G 6210TCE001G 6210TCE001G 6210TCE001G 6210TCE001G 6210TCE001G
  • LG KZ-17LZ21 | Service Manual - Page 26
    *S *AL LOC. NO. R2314 R2315 R232 R24 R248 R249 R25 R252 R253 R254 R255 R256 R257 R26 R270 R271 R274 R275 R28 R283 R284 R285 R289 R29 R290 R291 R292 R293 R297 R3 R30 R301 R302 R303 R304 R305 R306 R309 R31 R311 R312 R313 R314 R32 R321 R322 R324 R326 R327 R330 R335 R34 R356 R357 R358 R359 R36 R360 R37
  • LG KZ-17LZ21 | Service Manual - Page 27
    *S *AL LOC. NO. R720 R73 R74 R75 R76 R77 R79 R8 R80 R807 R81 R823 R830 R831 R833 R834 R835 R836 R84 R842 R843 R85 R86 R87 R89 R9 R901 R902 R903 R904 R905 R906 R907 R91 R916 R92 R924 R925 R926 R927 R93 R94 R950 R954 R955 R956 R957 R958 R959 R960 R961 R962 R963 R964 R97 R972 R977 R979 R98 R980 R981
  • LG KZ-17LZ21 | Service Manual - Page 28
    PARK A/V 1P JACK, RCA, PJ6063D PARKELEC DVD IN 3P OTHERs IC1 F801 F803 F805 381 REMOTE CONTROLLER RECEIVER, TSOP4838ON1 38.0KHZ TUNER, TAFH-Z342D ACCESSORIES 6710V00122B 6410VSH001A 6634B00043J 6851V00004D REMOTE 52559-2892 MOLEX 28P CONNECTOR (CIRC),WAFER, LG CABLE 14P 2.0MM CONNECTOR (CIRC),WAFER,
  • LG KZ-17LZ21 | Service Manual - Page 29
    3854VA0140A-S1(1/2) 03.10.07
  • LG KZ-17LZ21 | Service Manual - Page 30
    3854VA0140A-S1(2/2) 03.10.07
  • LG KZ-17LZ21 | Service Manual - Page 31
    SVC. SHEET : 3854VA0140A-S1
  • LG KZ-17LZ21 | Service Manual - Page 32
    P/NO : 3828TSL101F Feb.,2004 Printed in Korea
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Digital LCD Combi TV
SERVICE MANUAL
CAUTION
BEFORE SERVICING THE CHASSIS,
READ THE SAFETY PRECAUTIONS IN THIS MANUAL.
CHASSIS : ML-027B
MODEL : KT-17LZ21