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LG RT-32FZ32RP, Service Manual

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LG RT-32FZ32RP Service Manual Download Page 1

COLOR TV
SERVICE MANUAL

CAUTION

BEFORE SERVICING THE CHASSIS,
READ THE SAFETY PRECAUTIONS IN THIS MANUAL.

CHASSIS : MC-021A

MODEL:RT-32FZ32RP

website:http://biz.LGservice.com

e-mail:http://www.LGEservice.com/techsup.html

May.,2003

Printed in Korea

P/NO : 3828VD0130G

ON/OFF

MENU OK

VOL

PR

Summary of Contents for RT-32FZ32RP

Page 1: ... SERVICING THE CHASSIS READ THE SAFETY PRECAUTIONS IN THIS MANUAL CHASSIS MC 021A MODEL RT 32FZ32RP website http biz LGservice com e mail http www LGEservice com techsup html May 2003 Printed in Korea P NO 3828VD0130G ON OFF MENU OK VOL PR ...

Page 2: ...ETY PRECAUTIONS 3 SPECIFICATIONS 4 CONTROL DESCRIPTIONS 5 DISASSEMBLY INSTRUCTIONS 8 ADJUSTMENT INSTRUCTIONS 9 TROUBLE SHOOTING 14 BLOCK DIAGRAM 19 EXPLODED VIEW 20 EXPLODED VIEW PARTS LIST 21 REPLACEMENT PARTS LIST 22 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: ...edance VHF UHF 75 ohm unbalanced O Voice coil impedance 8 ohm O External connection AV Input 4 side or front 1 rear 2 Component Input 2 rear PERI TV Connector Full Scart 1 AV Input or Scart option R G B Input 1 option 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 NICAM Stereo Dual 2 Carrier Stereo...

Page 5: ...e setting 4 I II selects the language during dual language broadcast selects the sound output option 5 MENU selects a menu 6 D D E E Programme Up Down selects a programme or a menu item switches the set on from standby F F G G Volume Down Up adjusts the volume adjusts menu settings OK accepts your selection or displays the current mode 7 PIP BUTTONS PIP switches the sub picture on or off PIP PR se...

Page 6: ... and PIP INPUT buttons are used for teletext function Internal generator charge The remote control handset can be charged with the internal electric generator To charge the remote control handset do the followings 1 In first use 20 rotation of the handle in the arrow direction as picture below waiting for one minute 20 rotation again waiting for one minute again 20 rotation again beginning to use ...

Page 7: ...e or a menu item switches the set on from standby 6 EYE option adjusts picture according to the surrounding conditions 7 HEADPHONE SOCKET Connect the headphone plug to this socket 8 AUDIO VIDEO IN SOCKETS AV4 Connect the audio video out sockets of external equipment to these sockets S VIDEO AUDIO IN SOCKETS S AV Connect the video out socket of an S VIDEO VCR to the S VIDEO socket Connect the audio...

Page 8: ...d smoothly CPT Removal 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 ...

Page 9: ...ical line B 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 Purity convergence Adjustment 5 1 Preparation for Adjustment Adjustment should be operated when using the CPT without ITC from CPT manufacturing place This adjustment must follow the sequence as shown picture below 5 2 Purity Adjustment 1 Degauss the CPT and CABI...

Page 10: ...Adjustment 3 Press Volume UP DOWN button to adjust the data 4 Adjustment Sequence a Change the CONTRAST BRIGHT and adjust to be 3 5 Ft_L b Adjust Y value of High Light with GD G Drive and adjust X value with BD B Drive and make color coordinates of High Light which is specified in __clause c Change the CONTRAST BRIGHT and adjust to be 4 5 Ft_L d Adjust Y value of Low Light with GC G Cutoff and adj...

Page 11: ... correct when checking NTSC60Hz 480P 1080I VGA Mode after finishing adjustment in PAL100Hz adjust each Mode again 9 OPTION Adjustment 9 1 Preparation for Adjustment 1 This decides function 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 Menu VS VA HS EW ...

Page 12: ...urbo Search function NO SAVE DUAL SOUND Condition SAVE DUAL SOUND Condition FLOP TEXT TOP TEXT Without EYE With EYE NICAM NICAM FM STEREO DUAL B G I D K B G B G I D K M RESERVED Table 1 OPTION 1 Function Table 3 OPTION 3 Function Table 2 OPTION 2 CODE Data SAV3 WOOF VGA DVD H PHON AV SV VOL ACMS Option Code 0 1 0 1 0 1 0 1 0 1 0 1 0 1 0 1 Function Remark Without ACMS function With ACMS function NO...

Page 13: ... 5 English Other EU FARSI ARAB URDU E HINDI E I M V E THAI E CHINA West Europe East Europe Turkey EU1 EAST EU2 Cyrillic 1 Cyrillic 2 Cyrillic 3 Turkey Greek 1 Turkey Greek 2 Turkey Greek 3 Arab France Arab English Arab Hebrew 1 Arab Hebrew 2 Farsi English Farsi France Farsi all Function Table 4 OPTION 4 Function ...

Page 14: ...OWER circuit Check Replace R809 D802 R803 R810 Check Replace SW1101 F1101 T1101 DB814 TH810 Check Replace Check Replace Check Replace IC1113 Check Replace FR359 FR360 D339 D349 IC301 Check Replace IC001 Q002 Check Replace Check the voltage at pin 4 of STR Check the voltage at pin 10 of P004A Check the voltage at Check the voltage of C404 Check the voltage of C821 pin 5 of P214A Check the H DRV vol...

Page 15: ...ck the waveform at pin 3 of ic901 902 903 Check the waveform at pin 62 63 64 of IC501S RGB out Check the waveform at pin 7 of IC901 902 903 Check FBT CPT socket CPT voltage of FBT Check Replace IC501S Check the waveform at pin 2 76 79 of IC101S Check Replace IC401S FL201S 202S 203S Check the waveform at PIN52 of IC101S CVBS1 NO YES YES YES NO NO NO NO YES YES Check Replace IC101S Check the wavefor...

Page 16: ...e waveform at pin 11 of P901B Checkthe waveform at pin10 of HIC951 Check the Vcc at pin11 135V Check the Vcc at pin4 12V NORMAL Q501 IC501S 18V D850 F851 Check the voltage at pin3 13 of IC652 SOUND AMP CHECK REPLACE IC601 Q650 2 5V 0V CHECK REPLACE Q651 CHECK REPLACE TU101 7 ...

Page 17: ...01 IC007 Check the voltage at pin 14 of T101 CHECK REPLACE TU101 CHECK REPLACE IC001 IC007 0V 2 5V Check Replace IC201S IC101S Check Replace Q108 C114 R119 Check Replace Check Replace Check the voltage at pin9 of TU101 Check the voltage at pin13 of TU101 5V Check the waveform at pin19 of TU101 Video Check the waveform at pin2 of P213A DON T CATCH CHANNEL MAIN R403 FB854 D861 ZD102 Check Replace IC...

Page 18: ...at Q503 504 505 CPT Board IC401S IC501S pin 62 63 64 of IC501S Check Y Cb Cr signal input from JA201 Check Replace Check Replace Check Replace pin25 26 27 of IC401S Check the waveform at Check the waveform at Check Replace Q301 302 303 304 305 306 Check the waveform at pin46 47 48 of IC101S From comp1 480i input Check the waveform at pin1 2 3 of IC401S From comp1 480p 1080i input Check the wavefor...

Page 19: ... AV1 AV2 AV3 COMP1 COMP2 MNT OUT REAR A V EEPROM AT24C16 AUDIO AMP TDA7297 CENTER SPK TDA7253 WOOFER SPK MICOM SDA5550 V OUT LA7845 H DRIVE IRFIBC20G H OUT 2SC5446 IK VM ABNORMAL FBP VPROT SDA9407 Color decoder Scan converter CXA2151 Video S W CXA2150 CRT Driver TDA6111Q Y U V VM SANYO HIC VD VD SDA SCL Y U V Hs Vs CXA2069 A V Switch RF OUT IN1 VGA In 480I 480P 1080I IN3 AV1 480P 1080I AV2 AV3 AV4...

Page 20: ...124 510 153 150 170 112 912 943 400 300 120 122 121 320 600 700 330 310 174 501 530 590 580 550 560 570 520 EXPLODED VIEW 20 ...

Page 21: ... BACK COVER ASSEMBLY 2PHONE CKD LGESY ONLY 501 4810V00684C BRACKET MAIN MC021A HIPS 60HR NON 510 6871VSMU32C PWB PCB ASSEMBLY SUB MC021A LG32CPT B SY CKD 520 6871VMMP29C PWB PCB ASSEMBLY MAIN 021A W O PC 550 6871VSMD13D PWB PCB ASSEMBLY SUB VCD 100HZ CHINA COMP PH 560 6871VSMD15K PWB PCB ASSEMBLY SUB MC021A MICOM W O PC 570 6871VSMU34B PWB PCB ASSEMBLY SUB MC021A REACTOR SUB 580 6871VSMU33D PWB PC...

Page 22: ...P TO92 KEC TR BIPOLARS KRC102M KRC1202 KEC TP NA LOCA NO PART NO DESCRIPTION D850 HIC951 IC001 IC002 IC004 IC005 IC006 IC007 IC008 IC009 IC101S IC106S IC190 IC201S IC202S IC203S IC204S IC205S IC207S IC301 IC401 IC401S IC501S IC601 IC603 IC650 IC652 IC801 IC802 IC803 IC851 IC853 IC854 IC856 IC901 IC902 IC903 Q003 Q004 Q251 Q252 Q001 Q002 Q006 Q007 Q008 Q009 Q101 Q101 0ISK100300A 0IZZVF0018B 0ISM555...

Page 23: ...T33 TAPING DIODE ROHM K DO34 0 5W 6 2V 5UA DIODE ROHM K DO34 0 5W 6 2V 5UA DIODE ROHM K DO34 0 5W 6 2V 5UA DIODE ROHM K DO34 0 5W 6 2V 5UA DIODE ROHM K DO34 0 5W 6 2V 5UA DIODE GRANDE DO34 0 5W 7 5V DIODE DO34 0 5W 5 1V 0 02A LOCA NO PART NO DESCRIPTION ZD601 ZD650 ZD901 ZD930 C001 C007 C009 C011 C013 C018 C024 C025 C028 C030 C034 C035 C036 C040 C042 C045 C047 C054 C059 C062 C064 C101 C102 C103 C1...

Page 24: ...01 C301 C303 C304 C305 C306 C306 C306 C307 C307 C308 C308 C309 C310 C310 C313 C313 C313 C314 C316 C317 C317 C319 C322 C324 C324 C325 C327 C328 C329 C332 C332 C333 C338 C339 C340 C348 C350 C401 C402 C403 C404 C405 C406 C408 C409 C411 C412 C413 C414 C414 C415 0CE476DF618 0CE337DF618 0CE106DK618 0CE106DK618 0CE106DK618 0CN1030F679 0CE475DK618 0CE475DK618 0CN1030F679 0CE4753K618 0CE106DK618 0CF4741L43...

Page 25: ...DESCRIPTION C619 C620 C621 C622 C623 C624 C625 C626 C627 C628 C629 C630 C631 C632 C633 C634 C635 C636 C637 C638 C639 C640 C641 C642 C643 C644 C645 C646 C648 C649 C650 C651 C652 C653 C655 C656 C657 C660 C661 C662 C663 C680 C681 C682 C803 C806 C807 C808 C809 C811 C813 C814 181 007G 181 442Z 0CN1030F679 0CN1020K519 0CE106DF618 0CX5600K409 0CX5600K409 0CN4710K519 0CX5600K409 0CC0200K115 0CC0200K115 0C...

Page 26: ...5 L307 L309 L333 L334 L401 L402 L403 L404 L407 L601 L603 L604 L605 L606 L850 L853 L901 T401 T402 T403 T802 G18 G19 P003B 0CK1030W510 0CE107DF618 0CK1030W510 0CE106DP618 6613V00010A 6612VJH022B 6613V00013E 6612VJH011C 0LA0102K139 0LA0102K119 0LA0472K119 0LA0472K119 0LA0472K119 0LA0472K119 0LA0102K119 0LA0102K119 0LA0102K119 0LA0102K119 0LA0102K119 0LA0102K119 0LA0102K119 0LA0102K119 0LA0102K119 0LA...

Page 27: ... K M CONNECTOR CIRC WAFER 2 5MM 12P GIL G CONNECTOR CIRC WAFER 2 5MM 12P GIL G CONNECTOR CIRC WAFER 2 5MM 10P GIL G CONNECTOR CIRC WAFER 2 5MM 12P GIL G CONNECTOR ASSY 10P 2 5MM 400MM H B CONNECTOR CIRC WAFER 2 36PAI 1P K M CONNECTOR CIRC WAFER 2 36PAI 1P K M CONNECTOR CIRC WAFER 2 5MM 3P GIL G R OHM 100 OHM 5 CHIP 100 OHM 4 R OHM 100 OHM 5 CHIP 100 OHM 4 R OHM 100 OHM 5 CHIP 100 OHM 4 R OHM 100 O...

Page 28: ...TION R410 R412 R413 R414 R415 R416 R417 R418 R419 R420 R421 R422 R423 R424 R425 R426 R430 R431 R434 R450 R451 R490 R514 R536 R545 R601 R602 R611 R612 R613 R614 R615 R616 R617 R618 R619 R620 R621 R623 R624 R628 R629 R630 R632 R633 R634 R651 R652 R653 R654 R656 R657 0RD3301F609 0RD7503F609 0RN4701F409 0RD3602F609 0RD3301F609 0RN4702F409 0RD4700F609 0RD2701A609 0RN1501F409 0RD1001F609 0RD0221F609 0RD...

Page 29: ...G908 SW1101 SW1151 SW1152 SW1153 SW1154 SW1155 SW1156 FB204 FB301 FB401 FB402 FB802 FB803 FB805 FB852 FB853 FB855 FB856 FB901 FB902 FL201S FL202S FL203S FL301 FL302 J14 J831 0RS5602K607 0RN3001F409 0RD3001F609 0RS4700H609 0RS4700H609 0RD9100F609 0RD3001F609 0RD1000F609 0RS0392J607 0RD0622F609 0RS4300J607 0RS3300J607 0RS1201K607 0RD4702F609 6918VAX002D 6918VAX002D 6918VAX002D 6918VAX002H 6918VAX002...

Page 30: ...1 6X1 6MM R TP FILTER CIRC EMC SQE3535 20MH PHY TURN FILTER CIRC EMC SQE3535 20MH PHY TURN RESONATOR 6 000MHZ 30PPM 16PF BK RESONATOR 20 250MHZ 30PPM 13PF BK FILTER CIRC CSB500F9 MURATA 500KHZ BK RESONATOR 4 000MHZ 30PPM 15PF BK RESONATOR 2 69MHZ 15 PPM BULK RESONATOR 18 432MHZ 30PPM 10PF BK FUSE SLOW BLOW 4000MA 250 V 5 2X20 LED LED ASSY POWER CORD ASSY 2400MM REMOTE CONTROLLER RECEIVER 38KHZ REL...

Page 31: ...05 D5 J406 F4 J407 B3 J601 B3 J602 C4 J603 B3 J604 B3 J605 B3 J606 B3 J607 C5 J608 B4 J610 B4 J611 B4 J612 B4 J613 B4 J614 B4 J615 A5 J616 B3 J617 B4 J618 C1 J619 B3 J620 A3 J621 A3 J622 B2 J623 A3 J624 A2 J625 A2 J626 A2 J627 A2 J629 A1 J630 B1 J631 B1 J632 C1 J633 C1 J650 B1 J651 B1 J653 B1 J654 B1 J655 A2 J803 D3 J811 F2 J812 F2 J813 G2 J814 F2 J815 G2 J816 G2 J817 F2 J818 B2 J819 B2 J820 C2 J8...

Page 32: ...P NO 3854VA0104A S1 1 2 DATE 2002 07 25 ...

Page 33: ...P NO 3854VA0104A S2 1 2 DATE 2002 07 25 ...

Page 34: ...SVC SHEET 3854V A0104A S1 SVC SHEET 3854V A0104A S2 SVC SHEET ...

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