Sharp LC-20S2U-S Service Manual

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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.
» IMPORTANT SERVICE SAFETY PRECAUTION .........................................................................................2
» SPECIFICATIONS ........................................................................................................................................5
» OPERATION MANUAL .................................................................................................................................6
» DIMENSIONS ...............................................................................................................................................8
» REMOVING OF MAJOR PARTS ..................................................................................................................9
» ADJUSTING PROCEDURE OF EACH SECTION ..................................................................................... 13
» PUBLIC MODE SETTING PROCEDURE ..................................................................................................35
» TROUBLE SHOOTING TABLE ...................................................................................................................42
» CHASSIS LAYOUT .....................................................................................................................................46
» BLOCK DIAGRAM ......................................................................................................................................48
» OVERALL WIRING DIAGRAM ...................................................................................................................50
» DESCRIPTION OF SCHEMATIC DIAGRAM ............................................................................................. 52
» SCHEMATIC DIAGRAM ............................................................................................................................. 53
» PRINTED WIRING BOARD ASSEMBLIES ................................................................................................74
» REPLACEMENT PARTS LIST .................................................................................................................... 85
» PACKING OF THE SET ..............................................................................................................................99
SHARP CORPORATION
SERVICE MANUAL
LCD COLOR TELEVISION
LC-20S2U-S
MODEL
CONTENTS
This document has been published to be used for
after sales service only.
The contents are subject to change without notice.
LC-20S2U-S
S73F4LC-20S2U
Page

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Summary of Contents for Sharp LC-20S2U-S

  • Page 1: Table Of Contents

    LC-20S2U-S SERVICE MANUAL S73F4LC-20S2U LCD COLOR TELEVISION LC-20S2U-S MODEL 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.
  • Page 2: Important Service Safety Precaution

    LC-20S2U-S IMPORTANT SERVICE SAFETY PRECAUTION Ë Service work should be performed only by qualified service technicians who are thor- oughly familiar with all safety checks and the servicing guidelines which follow: • Use an AC voltmeter having with 5000 ohm per volt, or...
  • Page 3 LC-20S2U-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. AVERTISSEMENT conduite électrique ou une prise de terre branchée à la terre.
  • Page 4 LC-20S2U-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.
  • Page 5: Specifications

    AC cord, Cable clamp (x2), Operation manual As a part of policy of continuous improvement, SHARP reserves the right to make design and specification changes for product improvement without prior notice. The performance specification figures indicated are nominal values of...
  • Page 6: Operation Manual

    LC-20S2U-S OPERATION MANUAL...
  • Page 7 LC-20S2U-S...
  • Page 8: Dimensions

    LC-20S2U-S DIMENSIONS Unit: inch (mm) (248) (283) (474) (403.3) (103) (68) (100) (131) (220)
  • Page 9: Removing Of Major Parts

    LC-20S2U-S REMOVING OF MAJOR PARTS 1. Remove the stand fixing screws (4 pcs.). 2. Remove the terminal cover. 3. Remove the terminal section fixing screws (3 pcs.). 4. Remove the cabinet B fixing screws (9 pcs.). 5. Remove the cabinet B after opening from the direction of an arrow.
  • Page 10 LC-20S2U-S 8. Remove the 3 lock screws from the main PWB and undo the hooks a and b. Lifting the other PWBs close to the hooks, draw out the main PWB. 9. Remove the 4 lock screws from the sub PWB and undo the hooks c and d. Detach the chassis frame (right), together with its terminals, from the sub PWB.
  • Page 11 LC-20S2U-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.
  • Page 12 LC-20S2U-S Precautions at the time of the side B(back) service of Main unit. 1. Remove the FFC for connection between Main unit (SC2001) and Sub unit(SC3401), and connect the extended cable (QCNW-A556WJZZ) for service. 2. Remove only SC1204 of the FFC for connection between Main unit (SC1204) and LCD panel unit, and connect the extended cable (QCNW-A553WJZZ) for service.
  • Page 13: Adjusting Procedure Of Each Section

    LC-20S2U-S ADJUSTING PROCEDURE OF EACH SECTION 1. Pre-adjustment preparations Use the specific AC adaptor or a stable DC power supply as power source. LC-13/15/20S2U AC adaptor: UADP-A044WJPZ DC power supply: 12V, 5.0A (1) Entering the adjustment process mode There are two ways to call this mode.
  • Page 14 LC-20S2U-S 2. Adjusting procedure (1) Getting initialized 1) Set pins (81) and (82) of the IC2001 microprocessor to GND. Turn on the power. 2) Make sure the model number is A622. * Note: The model number cannot be selected. 3) Select the screen size (13/15/20 inches).
  • Page 15 LC-20S2U-S (5) Factory settings 1) Starting the factory process mode Press "MENU" and "INPUT SELECT" at once, and the power is turned on (inspection process started). Then press "CHANNEL UP" and "VOLUME UP" at once. Note: Once the factory settings have been made, immediately turn off the power switch. (At the next power-on, the set gets started in the "EZ SETUP"...
  • Page 16 LC-20S2U-S 3. Test patterns in adjustment process mode (1) IC801 (Video decoder) test patterns 1) Getting the test patterns displayed Put the screen in AV1, AV2 or COMPONENT but keep out any signal. Call the adjustment process mode, select "TEST PAT MODE" in the 1st line of XVC 1, make the settings 1 thru 12, and the following test patterns show up.
  • Page 17 LC-20S2U-S Pin functions of microprocessor IC (IC2001) RH-iXA622WJZZQ Pin No. Pin Name Function Vhold For closed caption For closed caption 1 BIT_MUTE OPC_LED For OPC LED lighting For panel power supply control CSYNC Composite sync signal IREM1 Remote control BYTE GND ("H"...
  • Page 18 LC-20S2U-S Pin No. Pin Name Function S-terminal connection (S2-terminal at "L") SSW2 Headphone mute HPMUTE Main speaker mute SP MUTE 1 CVBS/Y switching CVBS/Y HP DET Headphone detection (Headphone at "L") Speaker standby ("L" at standby) SSTBY Panel gate driver voltage confirmation (Standby status maintained at "H") VSH IN Line-out audio mute (Audio output mute at "H")
  • Page 19 LC-20S2U-S Table of Adjusting Process Defaults Initial Response precautions on servicing Page No. Item Function Value (Do not change other items than designated.) Basic settings Model name selection (For prevention of MODEL A622 malfunction, model name cannot be changed.) Inch size selection...
  • Page 20 LC-20S2U-S Initial Response precautions on servicing Page No. Item Function Value (Do not change other items than designated.) User sound control bass value SOUND3 BASS EQ SET User sound control treble value TREB EQ SET Equalizer limit table 00 sound volume setting value...
  • Page 21 LC-20S2U-S Initial Response precautions on servicing Page No. Item Function Value (Do not change other items than designated.) Equalizer table SOUND4 0 BAND1 +0275 Equalizer table 0 BAND2 -0450 Equalizer table 0 BAND3 -0175 Equalizer table 0 BAND4 +0600 Equalizer table...
  • Page 22 LC-20S2U-S Initial Response precautions on servicing Page No. Item Function Value (Do not change other items than designated.) Equalizer table SOUND5 0 BAND1 +0275 Equalizer table 0 BAND2 -0450 Equalizer table 0 BAND3 -0175 Equalizer table 0 BAND4 +0600 Equalizer table...
  • Page 23 VCXO CTL TC Constant at VCXO control SV PORT POL SV port control signal polarity setting (in bits) Bell filter shift characteristics BELL FLT SFT Bell filter sharp characteristics BELL FLT SHRP DE-EMPHASYS De-emphasis filter characteristics XVC02 HSYNC DELAY H sync phase setting (in pixels)
  • Page 24 LC-20S2U-S Initial Response precautions on servicing Page No. Item Function Value (Do not change other items than designated.) Chroma band-pass setting (TV) XVC07 N358 TV CHROMA BPF Chroma band-pass setting (Composite) N358 AVC CHROMA BPF Chroma band-pass setting (S Video)
  • Page 25 LC-20S2U-S Initial Response precautions on servicing Page No. Item Function Value (Do not change other items than designated.) Horizontal edge correction OFF/ON, XVC12 PAL-N TV PEAKING FILTER F characteristics (TV) Horizontal edge correction OFF/ON, PAL-N AVC PEAKING FILTER F characteristics (Composite)
  • Page 26 LC-20S2U-S Initial Response precautions on servicing Page No. Item Function Value (Do not change other items than designated.) Chroma band-pass setting (TV) XVC17 PAL60 TV CHROMA BPF Chroma band-pass setting (Composite) PAL60 AVC CHROMA BPF Chroma band-pass setting (S Video)
  • Page 27 LC-20S2U-S Initial Response precautions on servicing Page No. Item Function Value (Do not change other items than designated.) Picture (DPS) DPS01 DPS DATA Picture IC DPD data WRITE & READ Not used. DPS DATA WAIT WRITE & READ execution Not used.
  • Page 28 LC-20S2U-S Initial Response precautions on servicing Page No. Item Function Value (Do not change other items than designated.) Color depth setting (TV) Not used. DPS11 PAL-N TV COLOR Color depth setting (Composite, S Video, Not used. PAL-N AV COLOR for component 480I) Color tone setting (TV) Not used.
  • Page 29 LC-20S2U-S Initial Response precautions on servicing Page No. Item Function Value (Do not change other items than designated.) Picture quality setting (Composite, Not used. DPS27 PAL60 AV PKLEVEL S Video, for component 480I) Brightness peaking coring setting Not used. PAL60 AV PKCORRED7A...
  • Page 30 LC-20S2U-S Initial Response precautions on servicing Page No. Item Function Value (Do not change other items than designated.) Horizontal pre-scaler setting Not used. DPS40 D2 HPRESC FIL42 (For component 480P) Horizontal pre-scaler sub-sampling setting Not used. D2 HSCPRESC (For component 480P) Horizontal UP sampling filter characteristics Not used.
  • Page 31 LC-20S2U-S Initial Response precautions on servicing Page No. Item Function Value (Do not change other items than designated.) Horizontal shift pixel setting (TV, composite, Not used. DPS42 NTSC HSPPL S Video, for component 480I) Vertical shift line setting (TV, composite, Not used.
  • Page 32 LC-20S2U-S Initial Response precautions on servicing Page No. Item Function Value (Do not change other items than designated.) Variable mixing mode setting (TV) Not used. DPS47 NTSC TV LMIX78 Variable mixing mode setting (Composite, Not used. NTSC AV LMIX78 S Video, for component 480I) Black extension setting (TV) Not used.
  • Page 33 LC-20S2U-S Initial Response precautions on servicing Page No. Item Function Value (Do not change other items than designated.) Black extension setting (TV) Not used. DPS52 PAL TV BLEMODE Black extension setting (Composite, Not used. PAL AV BLEMODE S Video, for component 480I) Black extension gain setting (TV) Not used.
  • Page 34 LC-20S2U-S Initial Response precautions on servicing Page No. Item Function Value (Do not change other items than designated.) DAC 1 V0 H DAC OUT2A(04h) V0 L DAC OUT2B(05h) DAC OUT3A(06h) V7 H DAC OUT3B(07h) V7 L V21 H DAC OUT4A(08h)
  • Page 35: Public Mode Setting Procedure

    LC-20S2U-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 In the adjustment process mode, turn on "PUBLIC MODE". Also press the [CH UP] and [VOL+] keys on the set at once and turn on the power.
  • Page 36 LC-20S2U-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.
  • Page 37 LC-20S2U-S 5. On Setting Items * "EZ-SETUP" discussed below indicates "EZ-SETUP after the first power-on". (1) MAXIMUM VOLUME Selection Adjustable from 1 to 60 (no loop) Default Function The volume control is limited to an adjusted level (for the main speakers and headphones).
  • Page 38 LC-20S2U-S (5) MENU BUTTON Selection Selection between "RESPOND" and "NO RESPOND" (loop provided) Default RESPOND Function Disabling the MENU key both on the set and the remote controller Exception » The MENU button is operative at a start of inspection process and public password regardless of this setting.
  • Page 39 LC-20S2U-S (8) INPUT MODE FIXED Selection Selection between "VARIABLE" and "FIXED" (loop provided) Default VARIABLE Function In the "FIXED" setting, the "START MODE" setting is forced up, which disables the switching to other channels and input sources. Keys » Channel up/down (CH UP/DOWN) [on remote controller and set] inoperative »...
  • Page 40 LC-20S2U-S Sound only mode function specifications 1 Behavior of the remote control BRIGHT button. BRIGHTNESS [BRIGHT]→BRIGHTNESS [NORMAL]→ BRIGHTNESS [DARK]→BRIGHTNESS [AUTO]→BRIGHTNESS [OFF]→BRIGHTNESS [BRIGHT] (The "OFF" setting is added while the remote control BRIGHT button is effective. With "YES" selected in "SOUND ONLY MODE".) 2 When the "OFF"...
  • Page 41 LC-20S2U-S Table of Key Allocation in Sound Only Mode (Unit keys/Remote control keys) Allocation Unit keys POWER Released TV/VIDEO Temporary reset MENU Released Temporary reset Temporary reset Remote control POWER Released PIC.FLIP Released DISPLAY Temporary recovery SLEEP Temporary reset MENU...
  • Page 42: Trouble Shooting Table

    LC-20S2U-S TROUBLE SHOOTING TABLE...
  • Page 43 LC-20S2U-S TROUBLE SHOOTING TABLE (Continued)
  • Page 44 LC-20S2U-S TROUBLE SHOOTING TABLE (Continued)
  • Page 45 LC-20S2U-S TROUBLE SHOOTING TABLE (Continued)
  • Page 46: Chassis Layout

    LC-20S2U-S CHASSIS LAYOUT INVERTER Unit SUB Unit R/C, LED Unit...
  • Page 47 LC-20S2U-S MAIN Unit...
  • Page 48: Block Diagram

    LC-20S2U-S BLOCK DIAGRAM...
  • Page 49 LC-20S2U-S...
  • Page 50: Overall Wiring Diagram

    LC-20S2U-S OVERALL WIRING DIAGRAM...
  • Page 51 LC-20S2U-S...
  • Page 52: Description Of Schematic Diagram

    LC-20S2U-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 120V. Signals are fed by a color bar signal generator for servicing purpose and the above voltages are measured with a 20k ohm/V tester.
  • Page 53: Schematic Diagram

    LC-20S2U-S SCHEMATIC DIAGRAM Ë R/C, LED Unit...
  • Page 54 LC-20S2U-S Ë MAIN Unit-1/6...
  • Page 55 LC-20S2U-S...
  • Page 56 LC-20S2U-S Ë MAIN Unit-2/6...
  • Page 57 LC-20S2U-S...
  • Page 58 LC-20S2U-S Ë MAIN Unit-3/6...
  • Page 59 LC-20S2U-S...
  • Page 60 LC-20S2U-S Ë MAIN Unit-4/6...
  • Page 61 LC-20S2U-S...
  • Page 62 LC-20S2U-S Ë MAIN Unit-5/6...
  • Page 63 LC-20S2U-S...
  • Page 64 LC-20S2U-S Ë MAIN Unit-6/6...
  • Page 65 LC-20S2U-S...
  • Page 66 LC-20S2U-S Ë SUB Unit-1/4...
  • Page 67 LC-20S2U-S...
  • Page 68 LC-20S2U-S Ë SUB Unit-2/4...
  • Page 69 LC-20S2U-S...
  • Page 70 LC-20S2U-S Ë SUB Unit-3/4...
  • Page 71 LC-20S2U-S...
  • Page 72 LC-20S2U-S Ë SUB Unit-4/4...
  • Page 73: Inverter Unit

    LC-20S2U-S Ë INVERTER Unit...
  • Page 74: Printed Wiring Board Assemblies

    LC-20S2U-S PRINTED WIRING BOARD ASSEMBLIES MAIN Unit (Side-A)
  • Page 75 LC-20S2U-S SC2001 TP2002 R2026 C2011 R2040 C2013 X8201 C8239 C8240 C8241 C8246 C8244 R2064 R2069 C2021 R2070 R2071 FL2001 R2099 R8229 C2022 R8228 R2075 R2111 R2097 R2110 R2101 R2129 R2056 R2084 C8220 C8228 C8229 C2006 C2026 C2003 R2123 R2096 R2102...
  • Page 76 LC-20S2U-S MAIN Unit (Side-B)
  • Page 77 LC-20S2U-S R2013 R2023 R8233 R2057 FB8210 C2014 C2015 R2038 R2061 C8237 R8232 Q2004 FB8206 FB8211 C8233 R2065 R2062 R2035 R2128 Q2001 C8236 R8230 R2055 R2067 R2059 R2014 R2086 D2002 IC2006 C2020 Q2005 R8225 R2124 C2030 R2054 R8221 R8224 R8202 C8209...
  • Page 78 LC-20S2U-S...
  • Page 79 LC-20S2U-S SUB Unit (Side-A)
  • Page 80 LC-20S2U-S R4051 R4050 SW4054 SW4052 SW4051 SW4050 SW4055 R4052 C3710 R3337 R3336 R3339 R3338 L3202 L3701 C3325 L3704 R3335 FB3705 C3324 C3718 Q3701 R3775 R3774 C3208 FB3703 R3340 C3720 T3701 D3708 R3717 C3712 FB3706 R3402 Q3702 D3710 R3739 Q3703 R3732...
  • Page 81 LC-20S2U-S R4053 SW4055 SW4056 P6500 R4052 Q6501 Q6500 L6500 R6510 R6500 L6502 C3720 C6502 Q6506 R6511 R3739 Q6502 R6503 Q6504 L3703 C6505 3706 T6502 L6503 R6507 C6508 Q6503 C3738 R6506 R6514 R6504 C3736 C6512 C6504 C6509 C6507 L3702 R3777 R3734...
  • Page 82 LC-20S2U-S TL6709 TL6711 TL6708 TL6710 TL6713 TL6028 TL6719 TL6720 TL6029 TL6718 TL6031 TL6700 TL6701 TL6702 TL6703 TL6704 TL6705 TL6706 TL6018 TL6707 TL6020 TL6019 TL6023 TL6021 R6703 C6711 C6703 R6702 D6703 R6710 C6707...
  • Page 83 LC-20S2U-S INVERTER Unit (Side-A) TL6716 TL6712 TL6715 TL6714 TL6717 TL6713 TL6720 TL6030 TL6721 TL6032 TL6722 TL6031 TL6022 TL6027 TL6023 R6740 TL6024 TL6026 TL6025 R6742 C6725 R6748 R6731 R6728 C6727 R6724 C6722 R6730 C6726 D6708 R6723 C6729 R6733 INVERTER Unit (Side-B)
  • Page 84 LC-20S2U-S R/C, LED Unit (Side-A) (QPWBSB982WJN1) C4202 P4001 P4003 C4001 D4005 C4201 D4007 D4004 R4007 R4001 Q4002 IC4201 D4001 D4002 J4021 R4005 R4002 R4003 D4006 R/C, LED Unit (Chip Parts Side-A) (QPWBSB982WJN1)
  • Page 85: Replacement Parts List

    2. NO. DE REF 3. NO. DE PIECE 4. DESCRIPTION in USA: Contact your nearest SHARP Parts Distributor to order. For in CANADA: Contact SHARP Electronics of Canada Limited location of SHARP Parts Distributor, Please call Toll-Free; Phone (416) 890-2100...
  • Page 86 LC-20S2U-S Ref. No. Part No. Description Code Ref. No. Part No. Description Code DUNTKB980FE06 L8203 VP-9N1R8KR31NY J Peaking 1.8µH L8204 VP-1M5R6J1R2NY J Peaking 5.6µH MAIN Unit (Continued) L8205 VP-1M100J1R6NY J Peaking 10µH L8206 VP-1M100J1R6NY J Peaking 10µH Q1106 VS2SA1729//-1Y J 2SA1729...
  • Page 87 LC-20S2U-S Ref. No. Part No. Description Code Ref. No. Part No. Description Code DUNTKB980FE06 C1116 VCKYTV1CB105KY J 1 Ceramic C1117 VCKYTV1CB105KY J 1 Ceramic MAIN Unit (Continued) C1118 VCKYTV1EB104KY J 0.1 Ceramic C1119 RC-KZA041WJZZY J 10 Ceramic C830 RC-KZA041WJZZY J 10...
  • Page 88 LC-20S2U-S Ref. No. Part No. Description Code Ref. No. Part No. Description Code DUNTKB980FE06 R817 VRS-CY1JF105JY J 1M 1/16W Metal Oxide R818 VRS-CY1JF104JY J 100k 1/16W Metal Oxide MAIN Unit (Continued) R819 VRS-CY1JF333JY J 33k 1/16W Metal Oxide R821 VRS-CY1JF332JY J 3.3k 1/16W Metal Oxide...
  • Page 89 LC-20S2U-S Ref. No. Part No. Description Code Ref. No. Part No. Description Code DUNTKB980FE06 R2071 VRS-CY1JF101JY J 100 1/16W Metal Oxide R2072 VRS-CA1JF103JY J 10k 1/16W Metal Oxide MAIN Unit (Continued) R2075 VRS-CA1JF101JY J 100 1/16W Metal Oxide R2077 VRS-CY1JF101JY...
  • Page 90 LC-20S2U-S Ref. No. Part No. Description Code Ref. No. Part No. Description Code DUNTKB980FE06 DUNTKB981FE03 MAIN Unit (Continued) SUB Unit TUNER FB8202 RBLN-0059CEZZY J Ferrite Bead FB8203 RBLN-0061TAZZY J Ferrite Bead NOTE: THE PARTS HERES SHOWN ARE SUPPLIED AS AN ASSEMBLY BUT NOT INDEPENDENTLY.
  • Page 91 LC-20S2U-S Ref. No. Part No. Description Code Ref. No. Part No. Description Code DUNTKB981FE03 C3323 VCKYCY1EF104ZY J 0.1 Ceramic C3324 RC-EZA129WJZZY J 2.2 Electrolytic SUB Unit (Continued) C3325 RC-EZA129WJZZY J 2.2 Electrolytic C3328 RC-EZA129WJZZY J 2.2 Electrolytic D3711 VHD1SS250//1EY J Diode C3329 RC-EZA129WJZZY J 2.2...
  • Page 92 LC-20S2U-S Ref. No. Part No. Description Code Ref. No. Part No. Description Code DUNTKB981FE03 R3209 VRS-CY1JF000JY 1/16W Metal Oxide R3210 VRS-CY1JF152JY J 1.5k 1/16W Metal Oxide SUB Unit (Continued) R3211 VRS-CY1JF561FY J 560 1/16W Metal Oxide R3212 VRS-CY1JF102FY J 1k...
  • Page 93 LC-20S2U-S Ref. No. Part No. Description Code Ref. No. Part No. Description Code DUNTKB981FE03 R3774 VRS-TW2HF391JY J 390 1/2W Metal Oxide R3775 VRS-TW2HF391JY J 390 1/2W Metal Oxide SUB Unit (Continued) R3776 VRS-TW2ED000JY J 0 1/4W Metal Oxide R4050 VRS-CY1JF682JY J 6.8k 1/16W Metal Oxide...
  • Page 94 LC-20S2U-S Ref. No. Part No. Description Code Ref. No. Part No. Description Code DUNTKB982DE03 DUNTKB983WJ03 R/C, LED Unit INVERTER Unit INTEGRATED CIRCUITS TRANSISTORS IC4201 VHiTPS850++-1Y J TPS850 Q6700 VS2SC5886++-1Y J 2SC5886 Q6701 VS2SC5886++-1Y J 2SC5886 TRANSISTORS Q6702 VS2SA1530AR-1Y J 2SA1530AR...
  • Page 95 LC-20S2U-S Ref. No. Part No. Description Code Ref. No. Part No. Description Code DUNTKB983WJ03 INVERTER Unit (Continued) C6727 VCKYCY1CB333KY J 0.033 16V Ceramic C6728 RC-EZA010WJZZ J 1000 Electrolytic C6729 RC-KZ0072TAZZY Ceramic RESISTORS R6700 VRS-TW2ED122JY J 1.2k 1/4W Metal Oxide R6701 VRS-TW2ED122JY J 1.2k 1/4W...
  • Page 96: Cabinet And Mechanical Parts

    LC-20S2U-S Ref. No. Part No. Description Code Ref. No. Part No. Description Code LX-BZ3442CEF9 J Screw, x4 CABINET AND MECHANICAL PARTS LHLDZA251WJKZ J Switch Holder HiNDPA657WJSA X Model Label PMLT-A075WJZZ J Light Shielding Spacer, x2 AC Not Available – Cabinet A Ass’y Unit —...
  • Page 97 LC-20S2U-S CABINET AND MECHANICAL PARTS 1-1-4 1-1-6 5-3-5 1-1-1 1-1-3 5-3-4 1-1-2 1-1-5 5-3-2 5-3-1 5-3-7 5-3-6 5-3-3 1-1-3 5-3-8 R/C,LED 5-3-4 5-2-1 5-2-1 5-2-1 5-10 5-2-1 5-2-1 5-13 2-10 5-12 5-11 5-13 2-8 2-9 Sub PWB Main PWB Inverter PWB...
  • Page 98: Packing Parts

    LC-20S2U-S Ref. No. Part No. Description Code Ref. No. Part No. Description Code PACKING PARTS SUPPLIED ACCESORIES (NOT REPLACEMENT ITEM) LHLDWA002WJSB J Cable Clamp, x2 SPAKCA976WJZZ – Packing Case — QACCDA023WJPA J AC Cord SPAKFA375WJZZ – Buffer Material (Accessories) —...
  • Page 99: Packing Of The Set

    LC-20S2U-S PACKING OF THE SET Operation Manual Polyethylene Bag (TiNS-A966WJZZ) (SSAKA0101GJZZ) Cable Clamp (2pcs.) (LHLDWA002WJSB) Questionnaire Card (TCADEA028WJZZ) Infrared R/C Unit "AAA" size Battery (2pcs.) (RRMCGA174WJSA) AC Adapter (UADP-A044WJPZ) AC Cord (QACCDA023WJPA) Buffer Material (Accessories) Antenna Cable (SPAKFA375WJZZ) (QCNWG0003CEPA) Wrapping Paper...
  • Page 100 LC-20S2U-S COPYRIGHT © 2003 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.

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