Table of Contents
Related Manuals for LG 21FS2CG
Summary of Contents for LG 21FS2CG
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Page 1: Service Manual
COLOR TV SERVICE MANUAL CHASSIS : MC-059C MODEL : 21FS2CG/CL MODEL : 21FS2CG/CL-TS CAUTION BEFORE SERVICING THE CHASSIS, READ THE SAFETY PRECAUTIONS IN THIS MANUAL. -
Page 2: Table Of Contents
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 - 2 -... -
Page 3: Safety Precautions
SAFETY PRECAUTIONS IMPORT ANT SAFETY NOTICE Many electrical and mechanical parts in this chassis have special safety-related characteristics. These parts are identified by the Schematic Diagram and Replacement Parts List. It is essential that these special safety parts should be replaced with the same components as recommended in this manual to prevent X-RADIATION, Shock, Fire, or other Hazards. -
Page 4: Description Of Controls
DESCRIPTION OF CONTROLS All the functions can be controlled with the remote control handset. Some functions can also be adjusted with the buttons on the front panel of the set. Remote control handset Before you use the remote control handset, please install the bat- teries. - Page 5 10. MUTE switches the sound on or off. 11. TV/AV selects TV or AV mode. switches the set on from standby. 12. I/II/ (option) selects the language during dual language broadcast. (option) selects the sound output. 13. LIST POWER MUTE displays the programme table.
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Page 6: Front Panel
Front panel 2 3 4 Side panel 1. MAIN POWER (ON/OFF) switches the set on or off. 2. POWER/STANDBY INDICATOR illuminates brightly when the set is in standby mode. dims when the set is switched on. 3. REMOTE CONTROL SENSOR Note : Only use the supplied remote control handset. -
Page 7: Specifications
SPECIFICATIONS Note : Specification and others are subject to change without notice for improvement. Scope 4) Specification and performance of each parts are followed each drawing and specification by part number in This specification is applied to all the television related to MC- accordance with BOM. - Page 8 Front Local Key Power, Vol( ), PR( ), MENU, OK 7EA/ Front Turbo-Picture, Sound Option Remocon LG Code (NEC) Channel Auto prog. System/ Storage/ Normal/ Turbo Manual Storage/ System/ Channel/ Fine/ Search/ Name Prog. edit Copy/ Move/ Delete/ Skip Favorite...
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Page 9: Adjustment
4-1. Adjustment of Screen Manually (Using SVC Remote Control) 2. Notes 1) Input in the 75ohm cable LG standard signal(Digital Pattern, 1) Because this is a cold chassis, it is not necessary to use an 480NC). isolation transformer. However, operating it using a 2) Press the “ADJ’... -
Page 10: White Balance Adjustment
6-3. Automatic adjustment 8-1. Adjustment Preparation 1) Adjust the using Auto White Balance Meter. 1) Receive the LG standard Mono scope pattern(CH14). 2) Enter CPU OFF Mode by pressing “IN-START” & “MUTE” 2) Set the picture condition on “APC ON”(CLEAR) mode. - Page 11 3) Press the “ADJ” key of the factory remote control three 11. Instrument setting data times to enter to “SUB-TINT” adjustment mode. (automatic adjustment) 4) Change the Sub-Tint data by pressing the VOL , VOL <TABLE 2> key until the upper and lower CYAN color becomes same VIDEO IC EEPROM Speed...
- Page 12 <TABLE 4> SECAM MODEL 1 PAL <TABLE 5> SECAM MODEL 1 CIS OPTION 1 INITIAL REMARK OPTION 1 INITIAL REMARK DVD function (1:W, 0:W/O) DVD function (1:W, 0:W/O) TURBO ME TURBO ME T-P,T-S FUNCTION DISPLAY on MENU T-P,T-S FUNCTION DISPLAY on MENU V-CURVE V-CURVE VOLUME CURVE (1:HIGH, 0:LOW)
- Page 13 <TABLE 1> Remark Adjustment Range Initial(PAL) Initial(SECAM) Menu RF AGC Delay 0 ~ 63 Necessary VP 0 RF AGC 0 ~ 31 Necessary VP 1 H POS H PHASE Necessary VP 2 V POS V Shift (V POSI) 0 ~ 15 Necessary V SIZE Vertical Size...
- Page 14 Menu Adjustment Range Initial(PAL) Initial(SECAM)) Remark VP 54 Y TH Y TH 0 ~ 3 Unnecessary VP 55 Y GAIN Y Gain 0 ~ 3 Unnecessary VP 56 R WIDTH R width 0 ~ 3 Unnecessary VP 57 R OFFSET R offset 0 ~ 3 Unnecessary...
- Page 15 “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.
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Page 16: Printed Circuit Board
PRINTED CIRCUIT BOARD MAIN - 16 -... - Page 17 SIDE A/V - 17 -...
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Page 18: Trouble Shooting
TROUBLE SHOOTING 1. TV FUNCTIONAL 2. TU / IF SECTION 3. VIDEO PROCESSING In case of influx NOISE - R/C is not operate Maneuver defectiveness Maneuver defectiveness Maneuver defectiveness - 18 -... - Page 19 4. SMPS PRIMARY SECTION 5. SMPS SECONDARY SECTION - 19 -...
- Page 20 6. VERTICAL SECTION 7. HORIZONTAL SECTION - 20 -...
- Page 21 8. SOUND PROCESSING SECTION 9. CPT DRIVE SECTION - 21 -...
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Page 22: Block Diagram
BLOCK DIAGRAM - 22 -... - Page 23 MEMO - 23 -...
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Page 24: Exploded View
EXPLODED VIEW Option P801... -
Page 25: Exploded View Parts List
PCB Assembly, MAIN1 M.I MC059C 21FS2CG-TS QFULLEE SY-EG EBR30490102 PCB Assembly, MAIN1 M.I MC059C 21FS2CL-TS NAULLCT SY-TH-LGEAP EBR33668504 Hand Insert PCB Assembly, MAIN M.I MC059B 21FS2CG-TS. KDZLLEY SY-ROISON MKD 68719SML84L Hand Insert PCB Assembly,Sub M.I MC059C 21FS2R PAL/STEREO(RF) AUSTRALIA 68719SMM93B PCB Assembly, SUB M.I MC059C 21FS2/21FS4/21FD7 SIDE AV SY-SKD... -
Page 26: Replacement Parts List
REPLACEMENT PARTS LIST For Capacitor & Resistors, the CC, CX, CK, CN : Ceramic RD : Carbon Film charactors at 2nd and 3rd digit CQ : Polyestor RS : Metal Oxide Film in the P/No. means as follows; CE : Electrolytic RN : Metal Film RF : Fusible LOCA. - Page 27 For Capacitor & Resistors, CC, CX, CK, CN : Ceramic RD : Carbon Film the charactors at 2nd and 3rd CQ : Polyestor RS : Metal Oxide Film digit in the P/No. means as CE : Electrolytic RN : Metal Film follows;...
- Page 28 For Capacitor & Resistors, CC, CX, CK, CN : Ceramic RD : Carbon Film the charactors at 2nd and 3rd CQ : Polyestor RS : Metal Oxide Film digit in the P/No. means as CE : Electrolytic RN : Metal Film follows;...
- Page 29 For Capacitor & Resistors, CC, CX, CK, CN : Ceramic RD : Carbon Film the charactors at 2nd and 3rd CQ : Polyestor RS : Metal Oxide Film digit in the P/No. means as CE : Electrolytic RN : Metal Film follows;...
- Page 30 ACCESSORIES R831 0RD4701F609 RD-96T1J4K70 4.7KOHM 5% 1/6W 3.2X1.8MM 0RD4701F609 R832 RD-96T1J4K70 4.7KOHM 5% 1/6W 3.2X1.8MM 38289U0580F Manual, USER LG NEU AR/EN 124 TX R835 0RD1001F609 RD-96T1J1K00 1KOHM 5% 1/6W 3.2X1.8MM 6710V00124D Remote Controller, MC049B W/O TXT RT-21FA35 R884 0RD1201F609 RD-96T1J1K20 1.2KOHM 5% 1/6W 3.2X1.8MM...
- Page 31 P/No : 38549D0026A 2006.03.14...
- Page 32 SVC. SHEET : 38549D0026A-S...
- Page 33 Aug., 2006 P/NO : 38289S0050A Printed in Korea...