LC-20S4U-S SERVICE MANUAL S25F1LC20S4US LCD COLOR TELEVISION MODEL LC-20S4U-S In the interests of user-safety (Required by safety regulations in some countries) the set should be restored to its original condition and only parts identical to those specified should be used. CONTENTS Page » IMPORTANT SERVICE SAFETY PRECAUTION .........................................................................................2 » SPECIFICATIONS ........................................................................
LC-20S4U-S IMPORTANT SERVICE SAFETY PRECAUTION Ë Service work should be performed only by qualified service technicians who are thoroughly familiar with all safety checks and the servicing guidelines which follow: • Use an AC voltmeter having with 5000 ohm per volt, or higher, sensitivity or measure the AC voltage drop across the resistor.
LC-20S4U-S PRECAUTIONS A PRENDRE LORS DE LA REPARATION Ë Ne peut effectuer la réparation qu' un technicien spécialisé qui s'est parfaitement accoutumé à toute vérification de sécurité et aux conseils suivants. conduite électrique ou une prise de terre branchée à la terre. • Utiliser un voltmètre CA d'une sensibilité d'au moins 5000Ω/V pour mesurer la chute de tension en travers de la résistance.
LC-20S4U-S Precautions for using lead-free solder 1 Employing lead-free solder "All PWBs" of this model employs lead-free solder. The LF symbol indicates lead-free solder, and is attached on the PWBs and service manuals. The alphabetical character following LF shows the type of lead-free solder. Example: LFa Indicates lead-free solder of tin, silver and copper. 2 Using lead-free wire solder When fixing the PWB soldered with the lead-free solder, apply lead-free wire solder.
LC-20S4U-S SPECIFICATIONS Items LCD panel Number of dots Video color systems TV Standard (CCIR) TV Tuning System TV function STEREO CATV Y/C FILTER Brightness Viewing angles Audio amplifier Speakers INPUT1 INPUT2 Terminals INPUT3/OUTPUT Antenna Headphone OSD language Power supply Power consumption Weight Model LC-20S4U 20" Advanced Super View & BLACK TFT LCD 921,600 dots VGA N358, N443, PAL, PAL-M, PAL-N, SECAM, PAL-60 NTSC/PAL-M/PAL-N PLL 181 ch. MTS+SAP 125 ch.
)/( ) INPUT MENU POWER The POWER/WAKE UP TIMER indicator lights up green when the power is on, and red when in the standby mode (the indicator will not light when the main power is off), and orange when the wakeup timer is set (the indicator will light when in the standby mode). POWER/WAKE UP TIMER indicator The OPC indicator lights up green when "OPC" is set to "ON". OPC indicator (Optical Picture Control) Plug the headphone mini-plug into the Headphone jack located on the front of the main unit.
Channel Select Sets the channel. CH ( )/( ) Selects a channel. FLASHBACK Returns to the previous channel. CC Displays Closed Caption subtitles. INPUT Switches the input source between INPUT1 (COMPONENT), INPUT2, INPUT3 and TV mode. MENU Displays the menu screen. ' / " / \ / | (Cursor control) Selects a desired item on the screen. BACKLIGHT Adjusts the brightness of the screen. AV MODE Selects preferred AV MODE. DISPLAY Displays the receiving channel and the current time for 10 seconds.
LC-20S4U-S DIMENSIONS Unit: inch (mm) 4 39/64 (117) 12 7/32 (310) 5 21/64 (135) 19 1/32 (483) 19 49/64 (94) 5 63/64 (152) 2 7/64 (53.4) 11 19/32 (294.4) 17 39/64 (447) 11 27/32 (300.8) 9 55/64 (250.1) 1 3/4 (44.3) 18 25/32 (477) 15 57/64 (403.
LC-20S4U-S REMOVING OF MAJOR PARTS 1. Remove the stand cover fixing screws (1 pc.) 2. Remove the stand fixing screws (4 pcs.). 3. Remove the carrying handle fixing screws (4 pcs.). 4. Remove the terminal covers (left and right). 5. Remove the terminal screws (6 pcs.). 6. Remove the cabinet B fixing screws (8 pcs.). 7. Remove the cabinet B after opening from the direction of an arrow. 8. Remove the stand angle fixing screws (3 pcs.). 9. Disconnect all the connectors from all the PWBs.
LC-20S4U-S 10. Remove the 2 lock screws from the main PWB, and undo the claws a and b. Detach the main PWB by lifting the area around the claws and pulling the PWB out. 11. Remove the 3 lock screws from the analog PWB, and undo the claws c and d. Detach the chassis frame (right) from the analog PWB by pulling out the terminals. In the same way, undo the claws e and f, and detach the chassis frame (left) from the analog PWB by pulling out the terminals.
LC-20S4U-S » Precautions in handling the LCD panels 1. Work in a clean room (with humidities below 50%). 2. Be sure to wear an anti-static armband. 3. Handle the panels on an electro-conductive mat. 4. Be careful not to fall, shake and shock the panels. 16. Remove the 3 lock screws from the LCD panel and detach the LCD panel. 17. Remove the reflection/deflection sheet, diffusion sheet and diffusion plate. 18. Detach the lamp holders -R (top), -L (top) and -R (bottom), -L (bottom) from the lamp unit. 19.
LC-20S4U-S »Precautions in servicing the B side (backside) of the main PWB unit 1. Disconnect the FFC from between the main PWB (SC1202) and LCD panel unit (CN1), and then connect the service-specific extension FFC (flat cable) (QCNW-A553WJZZ). 2. Disconnect the FFC from between the main PWB (SC1201) and LCD panel unit (CN2), and then connect the service-specific extension cord (QCNW-A556WJZZ). 3.
LC-20S4U-S ADJUSTING PROCEDURE OF EACH SECTION The products have been factory-adjusted to the best settings. If any of them gets out of point or readjustment is needed due to a part replacement, take the following adjustment procedures. 1. Pre-adjustment preparations Keep the AC power cable directly plugged in a wall outlet. 2.
LC-20S4U-S 5. Take the following procedure when IC2009 (EEPROM) has been initialized or IC2001 (microprocessor) replaced. 5-1. Connect pins (81) and (82) of IC2001 (microprocessor) to GND, and turn on the power. 5-2. Make sure "20" (inches) is selected for the screen size. 5-3. Make sure the model number "A627B" is selected.
LC-20S4U-S 6-3. White balance adjustment 1) Adjustment procedure Adjustment process menu page 3: RGB CUTOFF2, RGB-GAIN Feed the 40% white signal. Move the RCUTOFF2 and B-CUTOFF2 settings within ±30 to adjust the white balance. Next feed the 80% white signal. Reduce the GAIN settings of two stronger of the R, G and B colors by 30 to adjust the white balance. Taking these steps alternately, finely adjust the white balance.
LC-20S4U-S 7-2. Description of Factory Settings. Setting content/range MENU PICTURE AV MODE OPC BACKLIGHT CONTRAST BRIGHTNESS COLOR TINT SHARPNESS ADVANCED AUDIO SETUP RESET TREBLE BASS BALANCE RESET CH-SETTING STANDARD/DYNAMIC/DYNAMIC(FIXED)/MOVIE/GAME ON/OFF BRIGHT/NORMAL/DARK/VARIABLE COLOR TEMP. RED GREEN BLUE RESET EZ-SETUP LANGUAGE CH SETTING AUTO CLOCK START AIR/CABLE CH SEARCH CH MEMORY MTS CLOCK SET AUTO MANUAL DST TIME TIME DISPLAY INPUT3 IN/OUT V-CHIP BLOCK SECRET No.
LC-20S4U-S 8. Lamp error detection 8-1. Functional description This LCD colour television has a function (lamp error detection) to be turned off automatically for safety when the lamp or lamp circuit is abnormal. If the lamp or lamp circuit is abnormal, or some other errors happen, and the lamp error detection is executed, the followings occur. 1 The main unit of television is turned off 5 seconds after it is turned on. (The power LED on the front side of TV turns from green to red.
LC-20S4U-S LIST OF THE ADJUSTMENT PROCESS MODE MENU For calling the adjustment process mode and keying in this mode, refer back to "ADJUSTING PROCEDURE OF EACH SECTION". ADJUSTMENT PROCESS 1st LEVEL ITEM DEFAULT TABLE Page No. Item Initial Function Value Response precautions on servicing (Do not change other items than designated.
LC-20S4U-S Page No. Initial Item Function Value Response precautions on servicing (Do not change other items than designated.
LC-20S4U-S Page No. Item Initial Value Function Response precautions on servicing (Do not change other items than designated.
LC-20S4U-S Page No. Item Initial Value Function Response precautions on servicing (Do not change other items than designated.
LC-20S4U-S ADJUSTMENT PROCESS TUNER ITEM DEFAULT TABLE Page No. Item VIDEO ADJUSTMENT DVP12 1125I CONT 1125I BRIGHT 1125I COLOR 1125I TINT 1125I SHARP V 1125I SHARP H1 1125I SHARP H2 750P CONT 750P BRIGHT 750P COLOR 750P TINT 750P SHARP V 750P SHARP H1 750P SHARP H2 Initial Value Function Response precautions on servicing (Do not change other items than designated.
LC-20S4U-S PUBLIC MODE SETTING PROCEDURE 1. How to start Public Mode » There are the following two ways to get the public mode setup screen displayed. 1 1) Press the "INPUT" and "VOL (+)" keys on the set at once and turn on the power. 2) Get the password input screen displayed. Procedure » The input starts with the leftmost digit. » Use the numeric keys [1] thru [9] and [10/0] keys on the remote controller. The other keys are not acceptable. » With a numeric-key input, "–" will change to " ".
LC-20S4U-S 2. How to exit Public Mode There are the following ways to quit the public mode setup screen. » Turn off "PUBLIC MODE" in the adjustment process mode. (✩) ← This way alone is not for quitting the setup screen, but for quitting the mode itself. » Turn off the power with the "POWER" key. (★) » Select "ENTER". (★) » Move the cursor to "RESET" and press the "FLASHBACK" key. (Back to the normal mode screen)(✩) ★ ... "PUBLIC MODE" stays on in the adjustment process mode. ✩ ...
LC-20S4U-S 5. On Setting Items * "EZ-SETUP" discussed below indicates "EZ-SETUP after the first power-on". (1) POWER ON FIXED Selection between "Variable" and "Fixed" (loop provided) Selection – (Variable) In "Fixed" setting, the power-off by the power key of the unit is invalidated and the image is kept being received. The power can be turned off by stopping the power supply from AC. Limit in Setting Refer to the "Power-On Fixed" sheet.
LC-20S4U-S (4) VOLUME FIXED LEVEL Selection Default Explanation Limit in Setting Exception Remarks Adjustment from 1 to 60 (no loop) 10 The sound volume to be fixed by "Volume fixed" is determined. None None Setting is valid only when "Volume fixed" is selected for "fixed".
LC-20S4U-S (8) ON SCREEN DISPLAY Selection between "Yes" , "Limited" (loop provide) Yes The following OSD displays are made ineffective. Displays of menu group, channel call, sound volume bar and direct key call Limit in Setting » ON-timer (Wake-up timer) is cleared and set to "OFF". » Set time of the OFF-timer (SLEEP TIMER) is cleared. » Setting of the no-signal power-OFF (AUTO POWER OFF) is cleared to "OFF". » Setting of the no-operation power-OFF is cleared to "OFF".
Check the load of IC701 thru IC703 and their peripheral circuits. Are the output voltages of IC701 thru IC703 as specified? Yes Yes Are the secondary +35V, +9V, +5.3V, -12V and 7V outputs of T701 as specified? Yes Is DC12.5V applied at pins (6) and (7) of T701 and pin (8) of IC701 thru IC703? Yes Is DC12.5V applied at to F3701 and F3702? Yes Are F3701 and F3702 as specified? No No No No No Check the load of IC701 thru IC703.
Check the LCD panel voltage and waveform. Yes Are the input and output of IC801 as specified? No Check IC801 and its peripheral circuits. No video output at all Check the line in question. Yes Is the output at pin (89) of IC7001 as specified? Yes Is the input at pin (93) of IC7001 as specified? Yes Are the input and output of IC3402 as specified? No No No Check IC7001 and its peripheral circuits. Check the line in question. Check IC3402 and its peripheral circuits.
Check the lines from between pins (27) (Rch) and (28) (Lch) of IC3201 to pins (4) (Rch) and (2) (Lch) of IC3301.
Check IC7001 and its peripheral circuits. No Is the output at pin (88) of IC7001 as specified? No Is the input at pin (31) of IC801 as specified? No TV Color Yes Yes No S Video Color Check the line between pin (88) of IC7001 and pin (31) of IC801. Check the output of IC801 and its peripheral circuits. Check the line between pin (4) of J3401 and pin (16) of IC3406.
LC-20S4U-S MAJOR IC INFORMATIONS 1-1. Description of Pins of IC2001 (RH-iXA627WJN5Q) Pin No. Pin Name I/O Pin Name Function 1 P96 O N.C 2 P95 O N.C 3 P94 O N.C 4 P93 O N.C 5 P92 O 6 TB1in I CSYNC Composite sync signal 7 TB0in I IREM1 Remote control signal 8 BYTE I BYTE Connected to GND Connected to GND (connected to Vcc1 for CNVSS at flash write) N.
LC-20S4U-S Pin No. Pin Name I/O Pin Name 51 P43 O 52 P42 O HPMUTE SP MUTE1 Function N.
LC-20S4U-S BLOCK DIAGRAM LED_UNIT H AUDIO_POWER_AMP IC3301 HP (Front) Jack 3.5ø (STEREO) SOUND_PROCESSOR IC3201 DACM_OUT SLEEP (S_STBY) SP TUNER_PWB DACA_OUT SP_MUTE ANA_IN1 SIF AMP SP 2 ANA_IN2 _ SC1_IN I2C (3.3V) SCL/SDA G SC2_IN SC2_OUT SC3_IN SC4_IN SC1_OUT AUDIO IN/OUT SWITCH IC3401 OUT IN F IN/OUT AFT S IN/OUT I2C (3.3V) to MPU VIDEO TUNER BUFFER Y-OUT BUFFER C-OUT 3DYC IC7001 S-IF I2C (3.
LC-20S4U-S LCD_Panel MAIN_PWB LCD PANEL RED,GREEN,BLUE CK,SP CVBS1-in 40 Y-in 42 QS T-CON C-in 31 D-Y-in 44 VIDEO /PANEL PROCESSOR DVP-ML IC801 VGA Pb-in 33 Pr-in 21 OFL H OUT V OUT GRADIATION ICIC1101 VSYNC MPWEH, MPWEL, MPOE, MPCE, TSTCLK CSYNC MPCLK ,MPRDA, MPRCS S-DET OSC,INV POW DC IN DET IC2010 MPU IC2001 L ERR E2PROM IC2009 RESET KEY CONTROL KEY OPC RC OPC R/C RECEIVER RESET IC2006 LAMP ERROR DET OFL1 LED_UNIT OSC,INV_POW DC/AC INVERTER LAMP U-TYPE X5 CONTROL_UNI
1 2 A 3 4 7 1 5 36 3.3VA 12 9 7 6 5 4 3 2 1 OPC B3.3V1.2A R_IN R_OUT SOUND_GND L_OUT L_IN OPC-LED 8 TIMER_LED GND 10 6 SOUND_GND L_OUT L_IN GND L_SP GND R_SP 3 2 1 4 3 2 1 N0478GE R_OUT 4 C 7 (QCNW-D299WJQZ) 8 SP_L 9 3 4 5 6 7 8 B5VBU B5VA B3.3V1.
7 8 9 B5V700MA B9V500MA B17V500MA 10 11 12 9 SIGVCC GND 13 GND GND 10 10 GND B5V 11 11 OFL1 12 12 OFL 13 OSC SC4051 14 15 37 5V 14 STB 15 ERR 16 17 HV1 9 HV3 GND 8 9 1 7 8 GND 3 7 GND HV1 GND HV3 GND 1 +B 6 3 5 6 HV1 5 GND HV3 +B INV+B Board to Board 4 1 15 4 3 14 L_ERR +B INV+B HV1 INV_POW +B 3 HV3 13 2 3 1 Z1538CE INV_OSC 1 2 INV+B 3 DUNTKD086WE03 (QPWBFD086WJN1) 1 INV+B HV1 Z1938CE OPERATION UNIT INV+B HV3 19 12V1.
LC-20S4U-S DESCRIPTION OF SCHEMATIC DIAGRAM VOLTAGE MEASUREMENT CONDITION: 1. The voltages at test points are measured on exclusive AC adaptor and the stable supply voltage of AC 110-240V. Signals are fed by a color bar signal generator for servicing purpose and the above voltages are measured with a 20k ohm/V tester. INDICATION OF RESISTOR & CAPACITOR: RESISTOR 1. The unit of resistance “Ω” is omitted. (K=kΩ=1000 Ω, M=MΩ). 2. All resistors are ± 5%, unless otherwise noted. (K= ± 10%, F= ± 1%, D= ± 0.
LC-20S4U-S SCHEMATIC DIAGRAM Ë OPERATION Unit H G F E D C B A 1 2 3 4 39 5 6
LC-20S4U-S ËMAIN Unit-1/5 H G F E D C B A 1 2 3 4 5 6 40 7 8 9 10
LC-20S4U-S 10 11 12 13 14 15 41 16 17 18 19
LC-20S4U-S ËMAIN Unit-2/5 H G F E D C B A 1 2 3 4 5 6 42 7 8 9 10
LC-20S4U-S 10 11 12 13 14 15 43 16 17 18 19
LC-20S4U-S ËMAIN Unit-3/5 H G F E D C B A 1 2 3 4 5 6 44 7 8 9 10
LC-20S4U-S 10 11 12 13 14 15 45 16 17 18 19
LC-20S4U-S ËMAIN Unit-4/5 H G F E D C B A 1 2 3 4 5 6 46 7 8 9 10
LC-20S4U-S 10 11 12 13 14 15 47 16 17 18 19
LC-20S4U-S ËMAIN Unit-5/5 H G F E D C B A 1 2 3 4 5 6 48 7 8 9 10
LC-20S4U-S 10 11 12 13 14 15 49 16 17 18 19
LC-20S4U-S ËANALOG Unit-1/4 H G F E D C B A 1 2 3 4 5 6 50 7 8 9 10
LC-20S4U-S 10 11 12 13 14 15 51 16 17 18 19
LC-20S4U-S ËANALOG Unit-2/4 H G F E D C B A 1 2 3 4 5 6 52 7 8 9 10
LC-20S4U-S 10 11 12 13 14 15 53 16 17 18 19
LC-20S4U-S ËANALOG Unit-3/4 H G F E D C B A 1 2 3 4 5 6 54 7 8 9 10
LC-20S4U-S 10 11 12 13 14 15 55 16 17 18 19
LC-20S4U-S ËANALOG Unit-4/4 H G F E D C B A 1 2 3 4 5 6 56 7 8 9 10
LC-20S4U-S 10 11 12 13 14 15 57 16 17 18 19
LC-20S4U-S ËR/C, LED Unit H G F E D C B A 1 2 3 4 58 5 6
LC-20S4U-S PRINTED WIRING BOARD ASSEMBLIES H G F OPERATION Unit (Wiring Side) E D C4003 C4000 D4000 D4002 R4005 R4008 D4001 R4004 R4000 R4001 RMC4000 R4006 IC4000 C4001 R4003 D4006 D4005 J4000 R4007 Q4000 R4002 D4004 P4001 D4007 B Q4001 R/C, LED Unit (Side-A) (QPWBND085WJN1) C Q4002 1 R/C, LED Unit (Chip Parts Side-A) (QPWBND085WJN1) A 1 2 3 4 59 5 6
LC-20S4U-S H G F E D C B MAIN Unit (Side-A) A 1 2 3 4 5 6 60 7 8 9 10
LC-20S4U-S 10 11 12 13 14 15 61 16 17 18 19
LC-20S4U-S H G R1203 R1201 C1107 R861 F R860 C1102 R1205 C1712 SC1203 SC1201 R1206 R1204 R1202 FDC1 C852 C874 C853 C838 C854 C1104 C1106 C1105 C839 C851 R869 R899 E C2006 C840 C841 C842 C843 C844 C845 C850 C849 C848 C846 C847 IC1101 C837 R205 R205 R808 R883 C836 R810 R811 C865 R2073 R809 L801 R2072 SC1202 C856 IC801 X801 C835 R812 R882 C866 C855 C857 C834 C832 C833 C858 C885 D C831 C859 R2066 R2059 R2065 R2064 R2077 R2015 R2063 R206
R1701 C1702 C1711 C1710 LUG2053 D702 Q713 C1713 C1110 C1712 R1722 C739 C738 LC-20S4U-S L703 FB702 C1714 C740 R2077 R2015 R2063 R2062 R2061 R2060 C736 FB711 R755 C741 FB703 C743 C742 C2013 Q715 R2010 T701 R2008 C749 R2064 R756 C2014 R2072 R2059 R2065 Q716 C2016 R2073 R2042 C2004 C2019 FL2001 D704 FB705 R2045 C735 X2001 C2010 R2066 FB704 L701 R757 C2017 C2008 C2018 L706 D701 R2021 IC2011 C2006 L1703 D2007 R2058 R2056 Q712 Q1705 C2005 C2009
LC-20S4U-S H G F E D C B MAIN Unit (Side-B) A 1 2 3 4 5 6 64 7 8 9 10
LC-20S4U-S 10 11 12 13 14 15 65 16 17 18 19
LC-20S4U-S H G R2079 R2074 R2080 Q2020 R2070 R2043 Q2019 IC2009 R2067 R2068 Q2012 Q2021 Q2022 R2005 R2003 R2002 R2034 R2024 Q2005 R2039 R2069 R2051 R2081 R704 C2022 Q2023 R721 R2052 R724 R2076 C720 C705 C2021 C887 R2035 C717 R2075 IC2006 R728 C713 R702 R707 C715 R735 Q702 C710 C719 R730 C R719 R716 R2036 C2015 R718 IC2010 TL2073 R731 R711 R2020 R2019 R2025 R2085 IC705 R710 R734 TL2074 R2016 C2007 R2086 R738 C708 C723 R2047 C726 R745 C707
LC-20S4U-S TL1285TL1264TL1268TL1272TL1279 TL1206TL1262TL1266TL1270TL1274TL1287 TL1277TL1202TL1207TL1212TL1217TL1222TL1227TL1238TL1244TL1248 TL1283TL1275TL1204TL1209TL1214TL1219TL1224TL1229TL1242TL1246TL1250 R1112 C1112 R1113 R1114 C1114 TL1278TL1201TL1205TL1210TL1215TL1220TL1225TL1230TL1243TL1247TL1251 TL1261TL1265TL1269TL1273 C1201 TL1276TL1203TL1208TL1213TL1218TL1223TL1228TL1239TL1245TL1249 TL1263TL1267TL1271 TL1282 TL2071 TL1236 TL2070 TL1233 FDC2 R868 R855 R867 R1104 C876 R1103 D11
LC-20S4U-S H G F E D C B A ANALOG Unit (Side-A) 1 2 3 4 5 6 68 7 8 9 10
LC-20S4U-S 10 11 12 13 14 15 69 16 17 18 19
LC-20S4U-S R3703 D3701 Q3701 H SC3401 D3702 FB3701 P3702 1 D3412 D3411 C3495 C3496 J3405 G R3421 R3420 L3406 C3497 R3538 R3430 C3416 C3419 R3442 C3442 C3433 C3438 R3451 C3436 Q3408 R3441 C3434 C3437 R3450 C3412 C3431 R3437 Q3409 R3462 R3461 R3463 C3426 R3436 C3432 IC3403 R3459 R3426 R3539 C3499 D3403 D3404 C3418 R3458 R3428 L3407 C3417 R3433 R3425 C3415 C3413 L3408 C3500 C3498 C3414 R3422 D3409 D3410 R3540 C3501 C3440 R3455 R3456 R3457 R3454 F C3435 R344
LC-20S4U-S R3703 LUG3401 Q3701 D3701 D3702 FB3701 P3701 D3710 D3711 R3730 R3712 R3714 R3717 IC3701 C3704 F3701 F3702 R3701 R3731 C3706 R3715 R3716 Q3706 C3307 R3708 C3703 R3718 C3715 R3727 R3726 R3728 D3704 C3709 R3706 D3703 Q3704 R3707 R3704 R3705 R3709 R3725 IC3702 D3705 R3713 R3711 R3710 C3705 Q3705 C3714 R3729 C3707 C3708 C3701 Q3703 C3702 Q3702 SLD7003 L7008 R7033 SLD7001 C7041 C7037 FB7008 C3427 X7001 C7039 C7077 C7005 C7019 C7004 C7020 C7023 C702
LC-20S4U-S Ref. No. Part No. ★ Description Code PARTS LIST Ref. No. ★ Part No. Description LISTE DES PIECES Code PARTS REPLACEMENT CHANGE DES PIECES Replacement parts which have these special safety characteristics identified in this manual ; electrical components having such features are identified by å and shaded areas in the Replacement Parts Lists and Schematic Diagrams.
LC-20S4U-S Ref. No. ★ Part No. Description Code Ref. No.
LC-20S4U-S Ref. No. ★ Part No. Description Code Ref. No.
LC-20S4U-S Ref. No. Part No.
LC-20S4U-S Ref. No. ★ Part No. Description Code Ref. No. DUNTKD084WE03 ANALOG Unit TUNER NOTE: THE PARTS HERES SHOWN ARE SUPPLIED AS AN ASSEMBLY BUT NOT INDEPENDENTLY.
LC-20S4U-S Ref. No. ★ Part No. Description Code Ref. No.
LC-20S4U-S Ref. No. R3706 R3707 R3718 R3725 R3726 R3727 R3728 R3729 R3730 R3731 R7001 R7002 R7003 R7004 R7005 R7006 R7007 R7010 R7011 R7012 R7013 R7014 R7015 R7016 R7017 R7018 R7019 R7020 R7021 R7022 R7023 R7024 R7025 R7026 R7027 R7028 R7030 R7031 R7032 R7033 R7036 R7037 Part No. ★ Description Code Ref. No.
LC-20S4U-S Ref. No. ★ Part No. Description Code Ref. No.
LC-20S4U-S Ref. No. Part No. ★ Description Code Ref. No.
LC-20S4U-S CABINET AND MECHANICAL PARTS 20 9 H C N 15 1 A 20 1-4 C 9 1-3 G 4-2-4 C 1-6 O 1-3 1-9 30 1-2 1-10 B 4-2-4 R/C, LED PWB 1-5 1-7 H D 4-2-1 1-8 C F 1-1 I F 4-2-7 A 4-2 G 4-2-2 L B 4-2-5 4 E 4-6 4-7 B 4-4 4-8 2-3 4-11 J 4-2-3 K 2-2 4-3 2-7 D 2-4 4-9 4-5 29 M 12 2-6 2-9 2-11 10 28 4-10 21 A 4-1 28 23 B 11 23 C 2-1 17 L 18 J K 26 I 26 B D 5 E 22 27 2-8 3-6 2-5 13 Inverter PWB 3-8 A 2 M 14 3-3 3-1 19 E 3-5 16 N 3-4 O F
LC-20S4U-S Ref. No. Part No. ★ Description Code Ref. No. å X1 X2 X3 X4 X5 X6 X7 LHLDWA002WJSA QACCDA037WJPA RRMCGA293WJSA TCADEA126WJZZ TiNS-B707WJZZ UADP-A080WJPZ Not Available J J J X X X – Cable Clamp AC Cord Wireless Remote Control Questionnaire Card Operation Manual AC Adapter "AAA" size Battery, x2 ★ Description Code PACKING PARTS SUPPLIED ACCESORIES å Part No.
LC-20S4U-S PACKING OF THE SET X1 X2 X3 X4 X5 X6 X7 S6 S2/S3 S5 S5 S4 S5 S5 S7 S1 83
LC-20S4U-S COPYRIGHT © 2005 BY SHARP CORPORATION ALL RIGHTS RESERVED. No part of this publication may be reproduced, stored in a retrieval system, or transmitted in any form or by any means, electronic, mechanical, photocopying, recording, or otherwise, without prior written permission of the publisher. TQ1892-S Apr. 2005 Printed in Japan Design and Production Information Design : Japan Production : SEMEX MI.
