LG 21FS2CG Service Manual Download Page 2

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CONTENTS

CONTENTS ............................................................................................................. 2

SAFETY PRECAUTIONS....................................................................................3

DESCRIPTION OF CONTROLS.......................................................................4

SPECIFICATIONS ..................................................................................................7

ADJUSTMENT........................................................................................................9

PRINTED CIRCUIT BOARD .............................................................................16

TROUBLE SHOOTING .......................................................................................18

BLOCK DIAGRAM ..............................................................................................22

EXPLODED VIEW................................................................................................24

EXPLODED VIEW PARTS LIST.....................................................................25

REPLACEMENT PARTS LIST ....................................................................... 26

Summary of Contents for 21FS2CG

Page 1: ...E MANUAL CAUTION BEFORE SERVICING THE CHASSIS READ THE SAFETY PRECAUTIONS IN THIS MANUAL CHASSIS MC 059C MODEL 21FS2CG CL MODEL 21FS2CG CL TS website http biz LGservice com e mail http www LGEservice com techsup html ...

Page 2: ...TENTS 2 SAFETY PRECAUTIONS 3 DESCRIPTION OF CONTROLS 4 SPECIFICATIONS 7 ADJUSTMENT 9 PRINTED CIRCUIT BOARD 16 TROUBLE SHOOTING 18 BLOCK DIAGRAM 22 EXPLODED VIEW 24 EXPLODED VIEW PARTS LIST 25 REPLACEMENT PARTS LIST 26 ...

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 position connect one lead of ...

Page 4: ...on 4 EYE option switches the eye function on or off 5 D D E E Programme Up Down selects a programme or a 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 PSM Picture Status Memory recalls your preferred...

Page 5: ...he programme table 14 SLEEP sets the sleep timer 15 SSM Sound Status Memory option recalls your preferred sound setting 16 SURROUND º º option selects surround sound No function COLOURED BUTTONS These buttons are used for teletext only TELETEXT models or programme edit POWER MUTE 1 2 3 4 5 6 7 8 9 MENU INDEX TV AV 0 EYE Q VIEW LIST I II PR PR OK VOL VOL PSM SSM SLEEP PICTURE SOUND TURBO FAVOURITE ...

Page 6: ...ts your selection 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 AV IN2 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...

Page 7: ...or about 20 minutes prior to the adjustment V Test Method 1 Performance LGE TV test method followed 2 Demanded other specification CCC Safety K60065 7 A General specification SPECIFICATIONS Note Specification and others are subject to change without notice for improvement Item Receiving System Available Channel Input Voltage Market Screen Size Aspect Ratio Display Method Tuning System Operating En...

Page 8: ...age Normal Turbo Storage System Channel Fine Search Name Copy Move Delete Skip 8 Channel Dynamic Standard Mild Game User Contrast Brightness Color Sharpness Tint NTSC M Only Flat Music Movie Speech User 0 100 100 400 1K 4K 10K Low Band 7ch 87 7 87 9 88 1 88 3 88 5 88 7 88 9 MHz High Band 7ch 106 7 106 9 107 1 107 3 107 5 107 7 107 9 MHz Wide Range 1091ch 88 0 107 0MHz Off On Pr 1 VOL 30 Off On On ...

Page 9: ...ontrol 1 Input in the 75ohm cable LG standard signal Digital Pattern 480NC 2 Press the ADJ key of factory remote control once to make the TV set display 3 Turn the screen volume on the FBT clockwise until the horizontal line is visible and turn it counterclockwise until horizontal line faintly visible Exit screen voltage adjustment by press Enter A key of factory remote control 5 Purity and Conver...

Page 10: ...stment 1 Adjust using white Balance meter and factory remote control 2 Enter white balance adjustment mode by pressing INSTART key 3 Use the CHD CHE Key to choose adjustment item 4 Use the VOLF VOLG Key to change item data 5 Adjustment Procedure a Make the picture luminance 45Ft L by changing the CONTRAST and BRIGHTNESS b Adjust X data of High light with R DRIVE VP7 and Y data with B DRIVE VP9 to ...

Page 11: ...o make a right square 6 PIN AMP Adjust the pin AMP by adjusting variable resistance VR401 of the main A ssy Adjustment is done so that the vertical line of the remotest grid at the left or right side of the screen will be parallel to the vertical line of the center of screen or the remotest grid of CPT 10 IIC BUS Adjustment Data Table Refer to TABLE 1 11 Instrument setting data automatic adjustmen...

Page 12: ...ABLE PLL DATA NTSC Tuning Level REMARK FM PRESCALER NICAM PRESCALER SCART PRESCALER A2 PRESCALER MONO THRESHOLD A2 THRESHOLD OPTION 1 DVD TURBO ME V CURVE V MUTE EYE FLAT SND MUTE GAME OPTION2 TURBO ARC 200PR BLUEBACK TURBO AT SHARP DVDN 6P OPTION3 FM TRANS NTSC AV PSEU SYNC KI A2 SW LNA SWOOFER OPTION 4 SYSTEM SND MODE AV LOC KEY COLOR T PLL DIV OPTION 5 FM PRE NICAM PRE SCART PRE A2 FM TH FIRST ...

Page 13: ...ustment Over shoot Adjustment Y Gamma start point Select DC Restoration Select Black Stretch Start Point Select Black Stretch Gain Select C Bypass C Kill On C Kill Off Color Killer Operational Point R B Gain Balance R B Angle B Y DC Level R Y DC Level Video Level OVER MOD SW OVER MOD LEVEL Tint Through Range 0 63 0 31 0 15 0 127 0 255 0 255 0 255 0 127 0 15 0 127 0 31 0 31 0 3 0 3 0 3 0 1 0 63 0 7...

Page 14: ...sary Unnecessary Unnecessary Unnecessary Unnecessary Unnecessary Unnecessary Unnecessary Unnecessary Unnecessary Unnecessary Unnecessary Unnecessary Unnecessary Unnecessary Unnecessary Unnecessary Unnecessary Unnecessary Unnecessary Unnecessary Unnecessary Unnecessary Unnecessary Unnecessary Unnecessary Unnecessary Unnecessary Unnecessary Unnecessary Unnecessary Refer to table 1 1 Menu VP 81 VP 82...

Page 15: ...rminal against receiver ground by connecting R channel of RCA JACK 12 3 Signal Sound Adjustment Condition 1 Necessary parts and instrument Adjustment remote control with signal sound check button LG standard DATA CODE FC h FD h 2 Checking 1 Received US30CH standard signal 2 Check CONTRAST BRIGHTNESS COLOR TINT SHARPNESS by pressing the Signal Check button continuously 3 Received US06CH 4 Check STE...

Page 16: ... 16 PRINTED CIRCUIT BOARD MAIN ...

Page 17: ... 17 SIDE A V ...

Page 18: ... 18 Maneuver defectiveness Maneuver defectiveness In case of influx NOISE R C is not operate Maneuver defectiveness 1 TV FUNCTIONAL 2 TU IF SECTION 3 VIDEO PROCESSING TROUBLE SHOOTING ...

Page 19: ... 19 4 SMPS PRIMARY SECTION 5 SMPS SECONDARY SECTION ...

Page 20: ... 20 6 VERTICAL SECTION 7 HORIZONTAL SECTION ...

Page 21: ...8 SOUND PROCESSING SECTION 21 9 CPT DRIVE SECTION ...

Page 22: ... 22 BLOCK DIAGRAM ...

Page 23: ... 23 MEMO ...

Page 24: ... 24 EXPLODED VIEW 112 913 170 150 943 400 300 520 P801 330 310 320 600 121 120 153 Option ...

Page 25: ...Y SUPER SILM 117A 5020900106A Button POWER 21FS2 ABS HF 380 1KEY LGETH TOOL 5020V01126C Button MOLD ABS POWER 21FS2RB TS ABS HF 380 1KEY DDM SILVER 400 3809900167E Cover Assembly 21FS2CG TS MC059C 21 SY EG SY LOCAL 3809900167F Cover Assembly 21FS2CG TS MC059C 21 SY SET SY LOCAL 1PHONE 3P 3809900167J Cover Assembly 21FS2CG TS MC059C 21 SY SET SY CIS DVD 3809V00621V Cover Assembly 21FS2CL TS MC059C ...

Page 26: ...20 16V X5R 310M 2A 392 J 3 9nF 5 100V PE 40TO 85C DCM471K20Y5PL6FJ5A 470pF 10 500V Y5P PEI683K2AT 68nF 10 100V PE 40TO 85C LOCA NO PART NO DESCRIPTION IC02 IC301 IC401 IC501 IC601 IC701 IC751 IC801 IC802 IC803 IC804 IC805 Q10 Q101 Q102 Q111 Q16 Q241 Q301 Q401 Q402 Q403 Q801 Q813 Q901 Q902 Q903 D111 D301 D302 D303 D403 D405 D406 D407 D408 D411 D501 D502 D505 D601 D801 D802 0IAL241610B 0IPRP00741A 0...

Page 27: ...OCA NO PART NO DESCRIPTION C528 C529 C530 C531 C532 C533 C534 C535 C537 C539 C540 C542 C543 C545 C548 C56 C602 C603 C604 C606 C608 C609 C610 C611 C612 C613 C614 C701 C702 C704 C705 C706 C707 C708 C709 C710 C711 C713 C714 C715 C716 C717 C719 C720 C721 C722 C723 C724 C725 C729 C730 C756 0CN1030F679 0CE105DK618 0CE225DK618 0CE474DK618 0CN1040K949 0CQ4731N509 0CN1030F679 0CN1030F679 0CN1010K519 0CN101...

Page 28: ...witching EER4215 300uH LOCA NO PART NO DESCRIPTION C1 C2 C3 C4 C5 P101 P1206A P201 P401 P601 P602 P801A P801B P802A P802B P901 C221 C222 C232 C235 C674 FR301 FR401 FR403 FR501 FR825 J511 R1 R101 R102 R103 R104 R105 R108 R109 R110 R111 R112 R113 R121 R132 R150 R152 R153 R154 R16 R17 R18 366 036B 387 603E 387 917J 6631V25014H 6631V25034H 366 932B 387 A06G 366 932E 366 043K 366 932B 366 932C 366 009D...

Page 29: ...PART NO DESCRIPTION R461 R462 R463 R464 R468 R501 R502 R503 R504 R505 R506 R507 R508 R509 R510 R512 R513 R514 R515 R516 R519 R521 R522 R523 R524 R525 R526 R527 R529 R530 R531 R532 R536 R537 R547 R550 R561 R565 R566 R58 R60 R601 R602 R603 R604 R605 R606 R608 R611 R618 R620 R65 0RD4302F609 0RD2702F609 0RD9100F609 0RD4302F609 0RD1501F609 0RD3001F609 0RD3902F609 0RD1003F609 0RD3901F609 0RD1000F609 0RD...

Page 30: ...X2 3MM RD 96T1J390R 390OHM 5 1 6W 3 2X1 8MM RD 96T1J100R 100OHM 5 1 6W 3 2X1 8MM RD 96T1J1K80 1 8KOHM 5 1 6W 3 2X1 8MM RSD02T3J18K0 18KOHM 5 2W 12 0X4 0MM RD 96T1J390R 390OHM 5 1 6W 3 2X1 8MM RD 96T1J100R 100OHM 5 1 6W 3 2X1 8MM RSD02T3J18K0 18KOHM 5 2W 12 0X4 0MM RDM92T1J1K50 1 5KOHM 5 1 2W 6 5X2 3MM RDM92T1J1K50 1 5KOHM 5 1 2W 6 5X2 3MM RDM92T1J1K50 1 5KOHM 5 1 2W 6 5X2 3MM RD 96T1J100R 100OHM 5...

Page 31: ...P No 38549D0026A 2006 03 14 ...

Page 32: ...SVC SHEET 38549D0026A S ...

Page 33: ...Aug 2006 Printed in Korea P NO 38289S0050A ...

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