LG RE-44SZ21RD Service Manual Download

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VIDEO S-VIDEO

L/MONO

AUDIO TV/AV

VOL

ON/OFF

AV4

DLP Projection TV

SERVICE MANUAL

CAUTION

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

CHASSIS : MB-02JB

MODEL : RE/RL-44SZ21RD

website:http://biz.LGservice.com

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

Jul.,2003

Printed in Korea

P/NO : 3828VD0133L

Summary of Contents for RE-44SZ21RD

Page 1: ... VOL PR ON OFF AV4 DLP Projection TV SERVICE MANUAL CAUTION BEFORE SERVICING THE CHASSIS READ THE SAFETY PRECAUTIONS IN THIS MANUAL CHASSIS MB 02JB MODEL RE RL 44SZ21RD website http biz LGservice com e mail http www LGEservice com techsup html ...

Page 2: ...ONS 3 SERVICING PRECAUTIONS 4 CONTROL DESCRIPTIONS 6 REPLACINIG LAMP 10 SPECIFICATIONS 11 ADJUSTMENT INSTRUCTIONS 16 BLOCK DIAGRAM 18 PRINTED CIRCUIT BOARD 22 EXPLODED VIEW 30 EXPLODED VIEW PARTS LIST 31 REPLACEMENT PARTS LIST 32 SVC SHEET ...

Page 3: ... 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 position connect one lead of ohm meter to the AC plug prongs tied together and touch other ohm meter lead in turn to each exposed metallic parts such as antenna terminals phone jacks etc If the exposed metallic part has a return path to the chassis the measur...

Page 4: ...s are integrated circuits and some fieldeffect transistors and semicounductor chip components The following techniques should be used to help reduce the incidence of component damage caused by static by static electricity 1 Immediately before handling any semiconductor component or semiconductor equipped assembly drain off any electostatic charge on your body by touching a known earth ground Alter...

Page 5: ...the corresponding lead on the circuit board 4 Securely crimp each connection and solder it 5 Inspect on the circuit board copper side the solder joints of the two original leads If they are not shiny reheat them and if necessary apply additional solder Fuse and Conventional Resistor Removal Replacement 1 Clip each fuse or resistor lead at top of the circuit board hollow stake 2 Securely crimp the ...

Page 6: ...ts the input mode for the sub picture SIZE adjusts the sub picture size STILL freezes motion of the sub picture POSITION relocates the sub picture in clockwise direction 5 SWAP returns to the previously viewed programme 6 MENU selects a menu 7 D E Programme Up Down selects a programme or a menu item switches the set on from standby F G Volume Up Down adjusts the volume adjusts menu settings OK acc...

Page 7: ...letext section 15 CANCEL EXIT Clears all on screen displays and returns to TV viewing from any menu 16 SSM Sound Status Memory recalls your preferred sound setting 17 LIST displays the programme table 18 ARC Aspect Ratio Control changes the picture format Note In teletext mode the PR SWAP and INPUT buttons are used for teletext function 12 18 4 15 16 10 1 2 17 3 5 6 9 13 11 8 7 Without TELETEXT ...

Page 8: ... REMOTE CONTROL SENSOR 11 AUDIO VIDEO IN SOCKETS AV4 Connect the audio video out sockets of exter nal equipment to these sockets S VIDEO AUDIO IN SOCKETS S VIDEO Connect the S VIDEO out socket of an VCR to the S VIDEO socket Connect the audio out sockets of the VCR to the audio sockets as in AV4 Note There might be a faint white trace on the center of the screen according to the position This is n...

Page 9: ...r is not closed Orange The set is overheating Red The set has shut down due to overheating Red flashing The set has shut down check the cooling fan Operation Indicator Lamp Indicator Temperature Indicator Status Indicators AERIAL SOCKET UPGRADE PORT This port is used to upgrade the software version and debug without changing the hardware Be careful not to use this port Just contact your dealer or ...

Page 10: ...han 1 hour 2 Remove the two retainging screws on the lamp cover with a screwdriver of type and then lift off the lamp cover refer to fig 1 3 After lifting the lamp cover off remove the two retaining screw on lamp case with screwdriver of type refer to fig 2 4 Pull out the handle slowly and remove the lamp refer to fig 3 5 Insert the new lamp gently into the correct position Make sure it is inserte...

Page 11: ...tive Humidity 65 10 3 PowerVoltage Standard input voltage 230V 1 0 50Hz But Standard input voltage mark value is marked by model 4 Use the parts only designated in B O M PARTS SPEC or drawings 5 Follow each drawing or spec for spec and performance of parts based upon P N of B O M Appliance OK Remark SAFETY CB EMI EN55013 EMS EN55020 Model RE 44SZ21RD Market EUROPE Mark Option Item F General Specif...

Page 12: ...PC3230D O RF AV PIP POP AV AV PIP POP Comp RF PIP POP AV COMP PIP POP Sleep Timer Auto Sleep EU 17 Language Dynamic Standard Mild Game Contrast Brightness Color Sharpness Tint Dolb Virtual Flat Speech Music Movie Teletext REMOCON Audio Video Stereo Dual Sound Double Window Text Sound quality compensation function Picture quality compensation function SSC Split Screen Mode Multi picture Display Mod...

Page 13: ...rity Audio Input Level Audio Input Frequency Response S video Input Level y S Video Input Level C Burst R G B Video Input Level Component Video Input Y CB PB CR PR 0 85 3 40 40 2 250 0 4 0 1 0 85 0 256 0 6 0 6 1 0 5 1 0 286 0 7 0 7 1 15 2 0 6 7 1015 0 316 0 8 0 8 Vpp MHz dB V Vrms kHz Vpp Vpp Vpp Vpp Vpp No Item Specification Min Typ Max Unit Remark F External Interface SDTV DVD 480I SDTV DVD 480I...

Page 14: ...tion Min Typ Max Unit Remark F DMD specification 0 65 1024 H x576 V 13 68 H x13 68 V Based on a standard 0 255 RGB scale 1 2 3 4 5 6 7 8 Dark Pixel Blue 90 Zoned Screen Total Minor Blemishes Total of Dark and Light Blemishes Bright Pixel Pixels brighter than Gray 10 Unstable Pixel Unstable Pixels Major Dark Blemish Blemishes darker than Blue 90 Major Light Blemish Blemishes brighter than Gray 10 Z...

Page 15: ...ugal 7 Sweden 8 Norway 9 Denmark 10 Finland 11 Hungary 12 Czecho 13 Russia 14 Rumania 15 Poland 16 Bulgaria 0 West EU 1 East EU1 2 East EU2 3 Turkey EU 4 Cyrillic1 5 Cyrillic2 6 Cyrillic3 7 Turk Gre1 8 Turk Gre2 9 Turk Gre3 10 Arab Fra 11 Arab Eng 12 Arab Heb1 13 Arab Heb2 14 Fars Eng 15 Fars Fra 16 Fars All 1 2 3 4 5 6 7 8 Volume Curve Text Top I_II SVC Lamp Type C_Mute System OSD Language Text L...

Page 16: ...DJ key on the remore control after adjustment pess the ADJ key to come out 2 Below picture is screen composition when press the first ADJ key 3 When press the ADJ key and entered EZ Adjust Mode picture appear above screen Select menu to adjust with using CH D CH E key above screen and press the enter key to adjust on the wanting menu 4 Adjust the value of adjustment with using the volume F volume ...

Page 17: ...e plate with screws after the tilt and keystone are been under the spec 3 Select H position with channel key in adjust mode 4 Change the data with volume key on the remote control for adjustment so that the left right of pattern are symmetrized 5 Select the V_position with volume key 6 Change the data with channel key on the remote control for adjustment so that the upper and down of pattern are s...

Page 18: ...C0 TMDS DATA IIC2 AV1 V L R AV2 V L R AV3 V L R Monitor Out V L R LR_OUT1 S_V3 Input S_V2 Input Y4 C4 S 4 Front A V V6 LR6 PIP_TV TV TVLR Main_TV M_TU_SIF V5 Component B D S_V LS123 AD9883 Component 1 2 Input AV_VS V_Sync AV_HS IIC0 LR3 LR2 Com1_L R Com2_L R Y Cb Cr M_TU_SIF CPLD VS_ADC HS_ADC Active LPF Y Cb Cr CLK_VDP_M CLK_VDP_M_ toCPLD CLK_VDP_S_ toINV CLK_VDP_M_ toCPLD CLK_VDP_M 74HC14 CLK_VD...

Page 19: ...CPCK SCP1_DI SCP1_DO SCP1_CLK DADSELZ 12V_1 MODE1 STROBE MODE0 SEL1 SEL0 A3 A2 A1 A0 RESTZ OEZ SR16MODE1 SR16STRB SR16MODE0 SR16SEL1 SR16SEL0 SR16ADDRA3 EXT_ARSTZ SR16OEZ SR16ADDRA2 SR16ADDRA1 SR16ADDRA0 IRQZ DIO23 DADINTZ OUT 0 15 DATA 0 5V 2 5V DIO26 CWINDEX LAMPSTAT LAMPCTRL CW_HI CW_LO LAMP_ EN 0B_LAMPLITZ DIO18 SCLK DIO19 SDATA DIO1 SDEN DIO9 PWMIN DIO16 PORZ SCLK SDATA SDEN PWMIN PORZ 12V 5V...

Page 20: ...r_M TXT_FB CLK_S FB_TXT MODE1 MODE2 FB_DLD HV_TXT HV_S HV_M HV_SEL C1 A1 SYNCVAL RESET 3 3V RST RST VDP_RST GND TXC TXC GND TX0 TX0 GND TX1 TX1 GND TX2 TX2 TXT_FB SUB_Cr SUB_Y SUB_Cb SDA2 SCL2 GND SYNCVAL Y_S Cb_S Cr_S FB_TXT FS IIC1 IIC2 OSD_ACT _DLD AV_VS AV_HS ALL_Cr ALL_Y ALL_C b SC_G SC_B SC_R M_Cr MAIN_ Y SUB_Cb SUB_Y SUB_Cr M_C M_Y M_V M_Cb 3 3V 2 5V 5 0V SCL0 SDA0 SCL1 SDA1 V3INT S_V Y S_C...

Page 21: ...ND_32V MAIN B D LD117V33C 3 3 V ST_3 3V 7808 8 V AG_5V AG_8V PQ12RD21 12 V PQ05RD21 5V ST_5V FAN_ON 7805 5 V 380V DC DC CON TU32V PWR DLP_2 5V DLP_3 3V PQ30RV21 2 5 V Dig_2 5V PQ30RV21 3 3 V Dig_3 3V LD117 2 5 V PQ03RF23 3 3 V PQ05RF23 5 V 7809 9 V Dig_5V Main_9V Main_5V DLP_5V ANA_Sub B D PWR 7809 9V 7805 DLP_12V PQ12RD21 4 SMPS Block ...

Page 22: ... 22 MAIN TOP PRINTED CIRCUIT BOARD ...

Page 23: ... 23 MAIN BOTTOM ...

Page 24: ... 24 TUNER TOP TUNER BOTTOM ...

Page 25: ... 25 DLP DRIVER B D TOP DLP DRIVER B D BOTTOM ...

Page 26: ... 26 DIGITAL BOARD TOP DIGITAL BOTTOM ...

Page 27: ... 27 POWER ...

Page 28: ... 28 POWER LED TOP SMPS BOTTOM SMPS TOP POWER LED BOTTOM PRE AMP TOP PREAMP BOTTOM ...

Page 29: ... 29 COMPONENT TOP COMPONENT BOTTOM CONTROL TOP CONTROL BOTTOM ...

Page 30: ...PLODED VIEW 430 410 300 304 302 301 306 307 520 530 550 590 501 309 308 305 660 560 561 431 420 440 450 540 541 670 621 620 610 653 650 654 651 652 600 601 590 580 330 320 310 570 502 640 630 303 120 121 503 ...

Page 31: ... 6871VMMB13F PWB PCB ASSEMBLY MAIN MB 02JB BOTTOM M I ASSY 530 6871VSMW29A PWB PCB ASSEMBLY SUB DIGITAL MB02JB RE 44SZ21RD DIGITAL M I ASSY 540 6871VPM999A PWB PCB ASSEMBLY POWER SMPS MB02JA RE 44SZ20RD 541 3210V00127C FRAME CHASSIS HIPS 60HR RE 44SZ20 MB 02JA 550 6871VSMW28A PWB PCB ASSEMBLY SUB SIGNAL MB02JB RE 44SZ21RD TUNER M I ASSY 6871VSMW28B PWB PCB ASSEMBLY SUB SIGNAL MB02JB RL 44SZ21RD TU...

Page 32: ...SC3875S ALY KEC TR BSS83 TP PHILIPS NON N CHANNEL S W LOCA NO PART NO DESCRIPTION IC1 IC101 IC102 IC103 IC104 IC105 IC120 IC1200 IC1202 IC1601 IC1602 IC2 IC208 IC301 IC301 IC302 IC303 IC304 IC305 IC307 IC320 IC4 IC401 IC401 IC402 IC402 IC403 IC403 IC404 IC404 IC405 IC405 IC406 IC407 IC407 IC408 IC409 IC410 IC411 IC412 IC413 IC414 IC415 IC5 IC500 IC6 IC601 IC602 IC7 IC700 IC701 0ISM555000A 0IMCRAD0...

Page 33: ...C TR CHIP 2SC3875S ALY KEC LOCA NO PART NO DESCRIPTION Q801 Q802 Q811 Q841 Q846 Q847 Q855 Q9 D1 D1 D1200 D1602 D1603 D1605 D2 D2 D200 D201 D3 D300 D4 D400 D402 D403 D404 D404 D405 D406 D410 D411 D430 D431 D432 D433 D434 D435 D436 D437 D5 D5 D6 D601 D602 D7 D8 D801 D810 D821 D822 D824 0TR387500AA 0TR387500AA 0TF283700AA 0TR945009AA 0TR322709AA 0TR319809AA 0TR945009AA 0TR387500AA 0DD184009AA 0DD1840...

Page 34: ...SMD SMD 22UF MV 16V 20 R TP SMD SMD 47UF MV 16V 20 R TP SMD SMD 10UF MVG 16V 20 R TP SMD SMD 10UF MV 16V 20 R TP SMD SMD 10UF MV 16V 20 R TP SMD SMD LOCA NO PART NO DESCRIPTION C1209 C1210 C1216 C1217 C1218 C1219 C1234 C1237 C124 C1246 C125 C1252 C126 C1260 C127 C139 C147 C148 C1601 C1602 C1603 C1604 C1605 C1606 C1607 C1608 C1609 C1610 C1611 C1612 C1613 C1614 C1615 C1616 C1618 C1620 C1621 C168 C17...

Page 35: ...UF MV 16V 20 R TP SMD SMD 47UF MV 16V 20 R TP SMD SMD LOCA NO PART NO DESCRIPTION C301 C302 C312 C314 C315 C316 C32 C359 C362 C371 C372 C4 C401 C402 C403 C403 C404 C405 C406 C406 C407 C408 C409 C410 C411 C411 C412 C412 C417 C425 C426 C427 C428 C429 C430 C431 C432 C433 C434 C435 C436 C437 C438 C450 C453 C456 C456 C5 C507 C507 C508 C508 0CE106DF618 0CE106DF618 0CE226SF6DC 0CE226SF6DC 0CE107DF618 0CE...

Page 36: ...L111 L112 L113 L114 L117 L120 L1200 L1201 L1203 L1204 L1206 L1207 L121 L122 L2 L202 L203 L204 0CE108BH618 0CE108BH618 0CE108BK61A 0CE108BK61A 181 091Q 181 120N 181 120K 0CE476VF6DC 0CS226GJ6DC 6613V00013H 6612VJH006D 380 374A 6613V00011A 6612VMH002A 6612VMH003A 6612VMH003A 6612VMH003A 6612VMH003A 6612VMH003A 6612BBBHN6A 0LC3332101A 0LC1032101A 0LC0233002A 0LC1032101A 0LC0233002A 0LC0233002A 0LC222...

Page 37: ...NDUCTOR MLB 160808 0068L N2 1A MAG LAYERS R TP INDUCTOR MLB 321611 0050P N1 6A MAG LAYERS R TP INDUCTOR MLB 201209 0120P N2 5A MAG LAYERS R TP INDUCTOR 10UH 10 3216 R TC FI C3216 103KJT INDUCTOR MLB 160808 0068L N2 1A MAG LAYERS R TP COIL CHOKE 82UH PHY TURN COIL CHOKE 82UH PHY TURN COIL CHOKE CHOKE 90UH R 1824 COIL CHOKE 82UH PHY TURN COIL CHOKE 82UH PHY TURN COIL CHOKE 82UH PHY TURN INDUCTOR 10U...

Page 38: ...6 W 1 00 TA52 2K OHM 1 6 W 1 00 TA52 2K OHM 1 6 W 1 00 TA52 2K OHM 1 6 W 1 00 TA52 1 2K OHM 1 6 W 1 00 TA52 LOCA NO PART NO DESCRIPTION R426 R556 R557 R558 R559 R560 R561 R68 R801 R802 R803 R804 R805 R806 R808 R809 R811 R812 R813 R814 R815 R816 R817 R818 R819 R820 R821 R822 R823 R824 R826 R827 R831 R832 R833 R834 R836 R841 R842 R843 R844 R844 R845 R846 R847 R848 R855 R856 R857 R858 R859 R891 0RN12...

Page 39: ...T509 T511 T512 T513 T514 T515 T601 T602 T603 T604 X1 X101 X102 X1201 X1202 X401 X601 A1 A1 A1 A1 A1 A1 A1 A2 6200QJ3001A 6200QJ3001A 6200QJ3001A 6200QJ3001A 6200QJ3001A 6200VJT006A 6200VJT006A 6200QJ3001A 6200QJ3001A 6200QJ3001A 6200QJ3001A 6200QJ3001A 6200QJ3001A 6200QJ3001A 6200QJ3001A 6200VJT006A 6200QJ3001A 6200QJ3001A 6200QJ3001A 6200QJ3001A 6200QJ3001A 6200QJ3001A 6200QJ3001A 6200QJ3001A 620...

Page 40: ...RD POWER W FILTER L 50 179B V FUSE 4000MA 250 V 5 2X20 CY GL SEMKO VDE BSI SOCKET CIRC IC 822473 3 AMP 32PIN 2 54MM THERMISTOR KL15L2R5 SSANSHIN 15 125V THERMISTOR KL15L2R5 SSANSHIN 15 125V REMOTE CONTROLLER RECEIVER TEMIC 38KHZ RELAY DG5D1 0 2 DAIICHI 5V 0 000106A 250V 5A OHM 1A TUNER TAFD M232D LG MULTI FS 3SYS 2IN1 DIN TUNER TAFD S212D LG SECAM L2 FS 2IN1 DIN VARISTOR SVC621D 14A ILJIN 620V 0 U...

Page 41: ...P No 3854VA0114E S1 1 2 2003 05 06 ...

Page 42: ...P No 3854VA0114E S1 2 2 2003 05 06 ...

Page 43: ...P No 3854VA0114E S2 1 2 2003 05 06 ...

Page 44: ...P No 3854VA0114E S2 2 2 2003 05 06 ...

Page 45: ...SVC SHEET 3854VA0114E S1 SVC SHEET 3854VA0114E S2 ...

Page 46: ...rvice com hsup html ...

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