LG 21FS2RLX, Service Manual

Page 1: ...COLOR TV SERVICE MANUAL CAUTION BEFORE SERVICING THE CHASSIS READ THE SAFETY PRECAUTIONS IN THIS MANUAL CHASSIS MC 049C MODEL 21FS2RLX MODEL 21FS2RLX ZC www DataSheet4U com ...

Page 2: ...tions 3 Control Descriptions 4 Specifications 7 Adjustment Instructions 8 T rouble Shooting 12 Printed circuit board 16 Block Diagram 18 Exploded View 20 Exploded View Parts List 21 Replacement Parts List 22 SVC Sheet www DataSheet4U com ...

Page 3: ... 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 position connect one lead of ohm meter ...

Page 4: ...menu item switches the set on from standby scans programmes automatically F F G G Volume Up Down adjusts the volume adjusts menu settings OK accepts your selection or displays the current mode 6 Q VIEW returns to the previously viewed programme 7 TELETEXT BUTTONS option These buttons are used for teletext For further details see the Teletext section 8 PSM Picture Status Memory recalls your preferr...

Page 5: ...tandby 13 I II option selects the language during dual language broadcast option selects the sound output 14 LIST displays the programme table 15 SLEEP sets the sleep timer 16 SSM Sound Status Memory option recalls your preferred sound setting 17 SURROUND º º option selects surround sound No function COLOURED BUTTONS These buttons are used for teletext only TELETEXT models or programme edit 11 12 ...

Page 6: ...ion or displays the current mode F F G G Volume Up Down adjusts the volume adjusts menu settings D D E E Programme Up Down selects a programme or a menu item switches the set on from standby 6 AUDIO VIDEO IN SOCKETS AV2 option Connect the audio video out sockets of external equipment to these sockets 7 HEADPHONE SOCKET option Connect the headphone plug to this socket Note Shown is a simplified rep...

Page 7: ...e 110 240V 50 60Hz 4 Measurement must be performed after heat run more than 20min 5 Adjusting Standard for this chassis is followed a special standard No 1 2 3 4 5 6 7 8 Item Receiving System Receiving Channel Input Voltage Market Screen Size Tuning System Operating Environment Storage Environment Remark For EU For Non EU For EU For Non EU NTSC M Multi model Non EU EU Initial Model for EU SUPER SL...

Page 8: ...BT jack When width line is seen turn the FBT screen volume at the position of disappearance it 4 Press the TV AV button to exit SVC mode 5 White balance adjustment NOTE When adjusting white balance automatically connect the adjustment JIG in SVC mode When pressing MUTE button on remote control it changes to CPU OFF MODE and screen displays AUTO 1 Receive 100 white pattern 2 Adjust LOW Light status...

Page 9: ...djustment Adjust until the outmost left and right lattice of received pattern is accord with 25 of other lattice width 7 ET Trapezoidal adjustment Adjust to make the length of top horizontal line same with it of the bottom horizontal line 8 EP Pin Cushion adjustment Adjust so that middle portion of the outermost left and right vertical line look like parallel with vertical lines of the CPT 9 ANGLE...

Page 10: ...0 1 Function 21A 21B 21C 29F 25F 28WF 32WF 28N 34F 29N 25N BG I DK BG I DK L BG I DK M BG L RF STEREO AV STEREO MONO MONO DUAL No using Using AV2 DVD SCART1 GAME EYE TX KEY DEGAU Option Code 0 1 0 1 0 1 0 1 0 1 0 1 0 1 0 1 Function Without AV2 With AV2 Without DVD With DVD Without SCART With SCART Without GAME function With GAME function Without EYE With EYE With PIP Wihtout PIP 6 8 KEY 4 KEY With...

Page 11: ...RILLIC1 CYRILLIC2 CYRILLIC3 TURK GRE1 TURK GRE2 TURK GRE3 ARAB FRA ARAB ENG ARAB HEB1 ARAB HEB2 FARS ENG FARS FA FARS ALL AUTO WITHOUT HDEV WITH HDEV SETTING VOL MAX LNA A2_ST ECO TILT BOOST 2SCRT CHINA SSLIM Option Code 0 1 0 1 0 1 0 1 0 1 0 1 0 1 0 1 Function Without LAN With LAN Without A2_ST With A2_ST Without SCART With SCART Without TILT With TILT Without BOOST With BOOST With 2SCRT Wihtout ...

Page 12: ...age At pin of IC821 IC822 Q807 Check Replace C821 IC822 Q807 Check The Voltage At pin 2 19 20 21 24 of IIC11 Check Replace TU 101 Check Replace F806 D828 D805 OK OK OK OK OK OK NO NO NO NO NO NO No Raster Sound OK 1 2 Check the Heater voltage of CPT 6 6 4Vrm s Check HV Screen Voltage of CPT Check the Heater pulse of FBT T402 Check R G B out of CPT Board Check FBT T402 Check 185V line of CPT Board ...

Page 13: ... each pin voltage Check Replace T402 Check the Voltage Of C803 Check the Voltage Pin 4 OF IC801 Check Replace IC801 IC802 IC826 Check Fuse and Diode of secondary Load of SMPS trans T803 Check Replace IC11 Check Replace IC11 Check Replace Q402 Check Replace T401 Check Replace Q401 Check Replace Fuse Check Replace DB801 Check Replace Fuse IC801 NO OK OK OK NO Open NO 18 20V Normal Yes Yes Yes Yes NO...

Page 14: ...8V 3 3V 5V DC Voltage Check SMPS Trans Secondary Voltage Check pin18 Reset Voltage Check IC13 Reset IC Check pin57 58 SCL SDA Check IC12 EEPROM SCL SDA Line RelaceIC11 Q501 Q503 Q504 R G B out of IC11 Check Replace CPT Board com ponent Go to No Sound Picture OK OK OK OK OK NO NO NO NO NO NO 3 3V DC OK OK 3 3V DC Check receiving system in MENU execute Auto Program www DataSheet4U com ...

Page 15: ...2 19 20 21 24 of IC11 Check the signal line of SPK L R Check pin 55 m ute of IC11 Check the waveform At pin2 4 of IC601 Check the waveform At pin6 of IC601 Check the waveform At pin8 9 11 12 of IC601 Check thevpltage At pin7 5 of IC601 Check Replace D828 D805 F806 Check the connection of side or Front AV Board P603A Replace IC601 AV OK OK OK OK NO NO OK OK NO NO NO NO Correct the Board NO OK OK ww...

Page 16: ... 16 PRINTED CIRCUIT BOARD MAIN www DataSheet4U com ...

Page 17: ... 17 SIDE A V www DataSheet4U com ...

Page 18: ...3A 14V 14V VA H OUT 35V H Vc c TU 33V S Vc c 6 5 V 12V B SAW FILTER Z101 PIP_BOARD SDA9489X S1117 18 IC825 S1117 33 IC853 KIA78S06P IC824 KA78R33 KA78R05C ST 5V ST 3 3V ST 1 8V 3 3V GAME HIC HIC01 190V VB H FLB IIC 33V 5V TV MONITOR OUT SCART RGB IN Y Cb Cr IN AV IN H Vc c 5V S Vc c PIP RGB PIP VIDEO IIC VS H FLB 5V ST 5V ON OFF DATA CLOCK RESET VIDEO AUDIO 190 V EW AMP IC302 28V www DataSheet4U c...

Page 19: ...MEMO 19 www DataSheet4U com ...

Page 20: ... 20 EXPLODED VIEW 112 913 170 150 943 400 300 520 P801 330 310 320 600 121 120 www DataSheet4U com ...

Page 21: ...N CONTROL 21FS2R ABS HF 380 6KEY SUPERSLIM 320 320 062H SPRING COIL 330 5020V01126A BUTTON POWER 21FS2R ABS HF 380 1KEY SUPERSLIM 400 3809V00621H BACK COVER ASSEMBLY 21FS2RLX ZC 1PHONE SUPER SLIM MC049C 520 6871VMMH55J PWB PCB ASSEMBLY MAIN M I MC049C 21FS2RLX ZC NUPLLEP SY MA CKD 600 6871VSMR18D PWB PCB ASSEMBLY SUB M I MC049C 21FS2 21FS2 SIDE AV M I 913 332 057B SCREW DRAWING ASSY HEXAGON HEAD 9...

Page 22: ...5R TA52 10000PF D 16V 20 X5R TA52 10000PF D 16V 20 X5R TA52 10000PF D 16V 20 X5R TA52 22PF D 50V 5 SL TA52 10000PF D 16V 20 X5R TA52 220UF STD 10V 20 FL TP 5 LOCA NO PART NO DESCRIPTION IC12 IC13 IC301 IC302 IC601 IC801 IC802 IC821 IC822 IC824 IC825 IC826 IC853 IC901 Q104 Q11 Q301 Q302 Q303 Q401 Q402 Q404 Q405 Q501 Q502 Q503 Q504 Q505 Q507 Q508 Q510 Q601 Q802 Q803 Q805 Q807 Q808 D301 D302 D401 D40...

Page 23: ...2 C503 C504 C505 C506 C507 C508 C509 C510 C511 C512 C513 C514 C515 C516 C517 C518 C519 C520 C521 C523 C524 C525 C526 C527 C528 C529 C530 C531 C532 C533 C534 C535 C536 C537 C538 C540 C541 C542 C543 C545 C546 C547 C548 C550 C552 0CE475DR618 0CE106BK618 181 010E 0CQ1041N509 0CQ1021N509 0CQ3931N509 0CQ3931N509 0CE475DK618 0CN1040K949 0CN2710K519 0CN2710K519 0CN1040K949 0CE107DD618 0CN1040K949 0CE475DK...

Page 24: ...02 L1203 L1253 L1254 L201 L204 L206 L207 L208 L211 L213 L401 L402 L501 L502 L504 L505 L506 L507 L508 L801 T401 T803 C1 C2 P102 P1205 P1206 P201A P401 181 091X 0CQ4731N509 0CE227DK618 0CE228BF618 181 120K 0CE107DD618 181 091P 0CE475DR618 0CH3104P56C 181 033S 0CE475DR618 0CH3104P56C 0LA0102K119 0LA0102K119 0LA0102K139 0LA0101K119 0LA0102K119 0LA0101K119 0LA0102K119 0LA0102K119 0LA0102K119 0LA0102K11...

Page 25: ... R303 R304 R305 R306 R307 R308 R309 R31 R310 R312 R313 R314 R315 R316 R317 R318 R319 R32 R320 R321 R322 R323 R324 R325 R326 R328 R328 R33 R35 R37 R38 R401 R403 R404 R405 R408 R409 R410 R411 R412 R413 R414 0RD1000F609 0RD1000F609 0RD1000F609 0RD1000F609 0RD0682F609 0RD1000F609 0RD3301F609 0RD1501A609 0RN4302F409 0RN4702F409 0RD2400A609 0RD0561A609 0RD1002F609 0RD1002F609 0RD3601F609 0RN7502F409 0RD...

Page 26: ...A NO PART NO DESCRIPTION R563 R601 R602 R603 R604 R605 R606 R607 R608 R609 R610 R611 R612 R613 R614 R615 R616 R617 R618 R619 R620 R621 R624 R664 R803 R804 R805 R806 R807 R808 R809 R810 R814 R816 R817 R818 R819 R823 R825 R827 R828 R831 R838 R858 R903 R904 R905 R906 R907 R908 R909 R910 0RD0752F609 0RD0221A609 0RD0221A609 0RD0221A609 0RD0221A609 0RD1001F609 0RD4301F609 0RD1002F609 0RD1001F609 0RD1000...

Page 27: ...ZONTAL 160G SDKEA3 ALPS IEC 250V 8A HORIZONTAL 480G FERRITE AXIAL 62MM 1UH NY 3 5X6 0MM FERRITE AXIAL 62MM 1UH NY 3 5X6 0MM FERRITE AXIAL 62MM 1UH NY 3 5X6 0MM FERRITE AXIAL 62MM 1UH NY 3 5X6 0MM FERRITE BFD3565R2F TAPING SQE2930 36MH 0 5PHY 105TURN RESONATOR CRYSTAL HC49U 20 250MHZ B39361 X6966 D100 EPCOS ST JACK ASSEMBLY 3P JACK PHONE EARPHONE WITH SW STEREO 3 5 JACK SCART UPJ R1 027 UGCOM CH1 M...

Page 28: ...P NO 3854VA0204A S1 2004 12 15 www DataSheet4U com ...

Page 29: ...SVC SHEET 3854V A0204A S www DataSheet4U com ...

Page 30: ...Dec 2005 Printed in Korea P NO 3828VD0219E www DataSheet4U com ...