LG CA-21M60E, Service Manual

Page 1: ...68W MODEL CA CT 21M60E X EX 2000 10 COLOR TV SERVICE MANUAL CHASSIS CAUTION BEFOUE SERVICING THE CHASSIS READ THE SAFETY PRECAUTIONS IN THIS MANUAL website http biz LGservice com e mail http www LGEservice com techsup html ...

Page 2: ... 2 Safety Precautions 3 Servicing Precautions 4 Specifications 6 Control Descriptions 8 Disassembly Instructions 10 Adjustment 11 Exploded View 14 16 18 Exploded View Parts List 15 17 19 Replacement Parts List 20 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: ...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: ...W 3 5W 3 5W 5W Mono Only Y Intermediate Frequency IF Vision IF 38 0MHz Color IF 33 57MHz PAL 34 42MHz NTSC Sound IF 32 5MHz B G 32 0MHz I I I 31 5MHz D K K1 33 5MHz M Y Antenna input impedance VHF UHF 75ohm Unbalanced type Y Voice coil impedance 8ohm Y OSD On Screen Display Menu method Half Tone Box Type OSD Multi Language Micom 0 English Freach Urd Parsi Arobic Micom 1 English Russia Rumanian Pol...

Page 7: ...HZ NTSC 3 58 5 5MHZ NTSC 3 58 6 0MHZ NTSC 3 58 6 5MHZ Receiving Channel VHF Band PAL SECAM B 2 12 PAL SECAM D 1 12 SECAM K1 2 9 NTSC M US 2 13 NTSC M JAPAN 1 12 UHF Band PAL SECAM G 21 69 PAL I 21 69 SECAM K 21 69 PAL K 13 56 NTSC M US 14 78 NTSC M JAPAN 13 62 Function Reception of broadcast and play back for Video Tape Recorder Play back for special Video Tape Recorder Play back for special Video...

Page 8: ... programmes automatically Volume Down Up adjusts the volume adjusts menu settings OK accepts your selection or displays the current mode 7 EYE option switches the Eye function on or off 8 VCR BUTTONS option control a LG GoldStar video cassette recorder 9 ARC Aspect Ratio Control changes the picture format 10 PSM Picture Status Memory recalls your preferred picture setting 11 TV AV selects TV or AV...

Page 9: ... When the input jacks on the front panel and back panel are connected to external equipments at the same time the input jacks on the front panel are prior to them on the back panel of the TV 19 HEADPHONE SOCKET option Connect the headphone plug to this socket 20 EYE option adjusts picture according to the surrounding conditions Note Eye is an optional function Only a set with the eye option can pe...

Page 10: ... for disassembling woofer speaker in the back cover 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...

Page 11: ...r adjacent channel interference Screen Voltage Adjustment 1 Input the Color Bar Pattern into Antenna jack 2 Select CutOff of SVC 3 mode 3 Turn the screen control clockwise until the Horizontal line is visible and turn it counterclockwise until the Horizontal line is faintly visible Focus Adjustment NOTE This adjustment should be performed after warming up for 10 minutes 1 Input the Color Bar Patte...

Page 12: ...color of SECAM channel to be the same as that of PAL Pattern at S R Y or S B Y White Balance Adjustment LINE SVC 1 NOTE This adjustment should be performed after screen voltage adjustment 1 Tune the TV set to receive 100 white pattern 2 Select SVC 1 Mode 3 Press PR UP DOWN key to select BG GG BG GC Adjust BG GG on Brightness 40 1FL and BG GC on Brightness 4 5 0 5FL with VOLF G key to get the color...

Page 13: ...OL PR PR 4 Key TV AV ROTATE PR PR W O EYE W EYE Teletext Top function Disable Teletext Top function Enable Blue Background OSD MENU Half Tone OSD MENU LG8993 27A B LG8993 28A LG8993 29A CURVE TBS HOTEL LANG INDEX LANG Option Code 0 0 0 1 1 0 0 1 2 3 4 0 1 2 3 4 5 0 1 2 3 4 0 1 0 1 0 1 Function Remark Multi English Only TWO Lang English CIS China Romania Poland English France Hindi Arab Urdu Parsi ...

Page 14: ... 14 913 170 150 153 112 400 943 300 310 120 315 330 320 P801 500 OPTION 503 520 EXPLODED VIEW CT 21C49 ...

Page 15: ...01 496K14 16 OHM 150 150 D02N COIL DEGAUSSING CU 21Ó 60T 12OHM 153 153 110F DY DCAN1 21FSAA 300 3091V00185B CABINET ASSY 310 5020V00320A BUTTON MAIN 6KEY 315 3580V00034A DOOR MAIN 320 320 062H SPRING COIL 330 5020V00319A BUTTON SMPS 1KEY 400 3809V00136B BACK COVER ASSY 500 3141VMN492C CHASSIS ASSY MAIN 913 332 057B SCREW ASSY HEXAGON HEAD 943 1PTF0403116 SCREW TAP TITE D4 0 L16 0 P801 6411VCH001B ...

Page 16: ... 16 913 112 153 170 150 943 400 310 912 120 330 320 700 300 N A T U RAL ALGORITHM EXE P801 500 OPTION 503 520 EXPLODED VIEW CT 21K49E ...

Page 17: ...2N COIL DEGAUSSING CU 21Ó 60T 12OHM 153 153 110F DY DCAN1 21FSAA 170 170 A01C LEAD SET CPT EARTH 300 3091V00208A CABINET ASSY 310 5020V00349A BUTTON CONTROL 6KEY 320 320 062H SPRING COIL 330 5020V00350A BUTTON POWER 400 3809V00155A BACK COVER ASSY 500 3141VMN492A CHASSIS ASSY MAIN 503 303 F62A COVER TUNER 700 0IGL120104B IC CDS SENSOR 913 332 057B SCREW ASSY HEXAGON HEAD 943 1PTF0403116 SCREW TAP ...

Page 18: ...913 170 150 153 112 P801 500 OPTION 503 520 400 943 120 700 310 330 320 300 EXPLODED VIEW CT 21K90E 18 ...

Page 19: ...150 150 D02N COIL DEGAUSSING CU 21Ó 60T 12OHM 153 153 110F DY DCAN1 21FSAA 170 170 A01C LEAD SET CPT EARTH 300 3091V00203A CABINET ASSY 310 5020V00330A BUTTON CONTROL 6KEY 320 320 062J SPRING KNOB 330 5020V00329A BUTTON POWER 1KEY 400 3809V00150A BACK COVER ASSY 500 3141VMN492B CHASSIS ASSY MAIN 700 0IGL120104B IC CDS SENSOR 913 332 057B SCREW ASSY HEXAGON HEAD 943 1PTF0403116 SCREW TAP TITE D4 0 ...

Page 20: ...SVC SHEET 3854V A0057A S ...

Page 21: ... D803 D804 D805 D806 D807 D808 D809 D840 D841 D842 D843 D844 D871 D901 D902 DB801 ZD101 0IMI899327B 0IMI899328A 0IMI899329A 0IAL240410A 0ISS753300A 0ISG405200B 0ISA701600A 0ISA783300A 0ITO123800C 0ITO127500A 0IKE780500P 0ISG725300A 0ILI817000G 0ISK670713A 0ISK115000A 0ISS780500J 0ISH092100A 0DD414809ED 0DD414809ED 0DD859009AA 0DD150009CA 0DD400509AA 0DD414809ED 0DD414809ED 0DD060009AC 0DD414809ED ...

Page 22: ... C504 C505 C506 C507 C508 C509 C510 C511 C512 C513 C514 C515 C516 C517 C518 C519 C520 C521 C522 C523 C525 C526 C527 C528 C529 C530 C531 C532 C540 C550 C551 C552 C553 C554 C555 C560 C562 C563 0CQ6831N509 0CE474DK618 181 091V 0CQ1531N509 0CE476DF618 0CN1030F679 0CE106DK618 181 013B 0CK2220W515 181 015F 181 009R 0CQ2221N509 0CQ2221N509 0CE224DK618 0CX1100K409 0CN1020K519 0CN1040K949 0CE227DF618 0CE33...

Page 23: ...3 J125 L292 J126 L03 L105 L151 L152 L201 L202 L241 L290 L291 L401 L501 L503 L504 L505 L506 L509 L803 L901 T401 T402 T801 T802 FR301 FR401 FR501 FR803 J6 J42 J129 R01 R02 R03 R04 R05 R07 R08 R09 181 033S 0CN1030F679 125 022K 125 022K 125 022K 125 022K 125 022K 125 123A 0LA0222K119 0LA0102K119 0LA0820K119 0LA0821K119 0LA0182K119 0LA1000K119 0LA1000K119 0LA0102K119 0LA1000K119 0LA1000K119 150 L02C 0L...

Page 24: ...R155 R156 R157 R158 R161 R164 R165 R166 R167 R168 R169 R170 R171 R172 R201 R202 R203 R206 R209 R210 R212 R213 R214 R215 R221 R222 R223 R224 R226 R228 R240 R242 R290 R291 R303 R304 R305 R306 R309 R310 R311 R312 R313 R314 R315 R402 0RD0561H609 0RD2200F609 0RD1000F609 0RD1000F609 0RD0102F609 0RD1501F609 0RD9101F609 0RD4700F609 0RD3301F609 0RD1500F609 0RD3900F609 0RD2200F609 0RD2200F609 0RD2200F609 0R...

Page 25: ... R554 R555 R561 R562 R563 R564 R571 R572 R601 R604 R606 R607 R609 R610 R756 R757 R758 R801 R803 R805 R807 R809 R810 R811 R814 R815 R816 R819 R820 R821 R835 R840 R842 R843 R845 R847 R850 R901 R902 R905 R906 R912 R913 R915 R916 R918 R919 R920 0RD1001F609 0RD2001F609 0RD2001F609 0RD2001F609 0RS0512H609 0RD2203H609 0RD1001F609 0RD6201F609 0RD6201F609 0RD2200F609 0RD0101F609 0RD0101F609 0RD0331F609 0RD...

Page 26: ...AND PASS SFSH6 5MCB TF21 FILTER CIRC BAND PASS SFSH6 0MCB TF21 FILTER CIRC BAND PASS SFSH4 5MCB TF21 FILTER CIRC TRAP TPS6 0MB TF21 FILTER CIRC TRAP TPWA02B TF21 FILTER CIRC TRAP TPS4 5MB TF21 FILTER CIRC TRAP MKT40 4MA110P TF01 FILTER CIRC TRAP MKT40 4MA110P TF01 CRYSTAL STANDARD HC49U 4 433619MHZ FILTER CIRC SAW OFWM7255 38 9MHZ FILTER DSS306 93Y5S271M MURATA 50V MANUAL OWNERS MC994A SY LG EN 02...