Sharp LC-20D30U Service Manual

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Operation manual (45 pages)

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Page 1: Table Of Contents
LC-20D30U S26R5LC20D30U LCD COLOR TELEVISION LC-20D30U 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. CONTENTS Page »...
Page 2: Important Service Safety Precaution
LC-20D30U 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-20D30U 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. • Utiliser un voltmètre CA d'une sensibilité d'au moins AVERTISSEMENT 5000Ω/V pour mesurer la chute de tension en travers...
Page 4 LC-20D30U 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
+32°F to +104°F (0°C to +40°C) Ë As a part of policy of continuous improvement, SHARP reserves the right to make design and speciﬁcation changes for the LCD TV set improvement without prior notice. The performance speciﬁcation ﬁgures indicated are nominal values of production units. There may be...
Page 6: Operation Manual
LC-20D30U OPERATION MANUAL...
Page 7 LC-20D30U...
Page 8: Dimensions
LC-20D30U DIMENSIONS Unit: inch (mm) (266) (144) 15 (381) (66.5) (102) (539) (445.2) (242) (100)
Page 9: Removing Of Major Parts
LC-20D30U REMOVING OF MAJOR PARTS 1. Remove the stand cover fixing screw (1 pc.). 2. Remove the stand fixing screws (4 pcs.). 3. Remove the carrying handle fixing screws (4 pcs.). 4. Remove the terminal cover. 5. Remove the terminal screws (2 pcs.).
Page 10 LC-20D30U 10. Remove the chassis frame fixing screws (3 pcs.). 11. Remove the 2 lock screws from the main PWB. Detach the chassis frame, together with its terminals, from the main PWB. 12. Remove the 4 lock screws from the sub PWB and the PWB fixing angle. Detach the chassis frame together with its terminals, from the sub PWB.
Page 11 LC-20D30U » Precautions in handling the LCD panel 1. Handle it in a clean room. (above 50% humidity) 2. The worker must wear an earth band. 3. Be careful not to drop, vibrate and shock the panel. 4. Use an ionizer. (within 30 cm) 16.
Page 12 LC-20D30U »Precautions in servicing the side-B (backside) of the main PWB unit 1. Remove the lock screws (3 pcs.) from the main PWB, detach the PWB from the chassis frame, and then turn it over. 2. Connect the service-specific extension FFC (flat cable) (QCNW-D721WJQZ) between the main PWB (SC5201) and the sub PWB (P5002).
Page 13: Adjusting Procedure Of Each Section
LC-20D30U ADJUSTMENT PROCEDURE OF EACH SECTION 1. Preparations (1) Plug the power cable in an AC power outlet. AC 110 V~240V [1] Adjustment procedure 1-1. Adjusting the checker Power on (initialization) → Model number/inch size settings → Model-specified data transfer to E2PROM (I2C) →...
Page 14 LC-20D30U [4] Initialization 4-1. Get pins (81) and (82) of IC2001 (microprocessor) grounded, and turn on the power. 4-2. Check the MODEL setting (A633). * The MODEL setting can't be modified. 4-3. Check the INCH SIZE setting (20). * The INCH SIZE setting can't be modified.
Page 15 LC-20D30U [7] Adjustment 7-1. AD converter level adjustment 1 D3 input 1) Feeding the D3 75% color bar signal Instrument used: LEADER LT446 or LEADER LT448 (1) LEADER LT446 Signal name: COLOR BAR 75% Setting: 01: 1920 x 1080 / 60i H: 33.72 kHz, V: 29.97 Hz...
Page 16 LC-20D30U 7-3. White balance adjustment 1) Adjustment procedure (Call the AV input mode with INPUT2 or INPUT3.) Adjust the white 40% setting at RGB CUTOFF2 first and then the white 80% setting at RGB-GAIN. (Set the RGB GAMMA level at 0.9.)
Page 17 LC-20D30U 8-2. Initial value of factory settings Settings & ranges Factory settings (TV) (INPUT1) (INPUT2) (INPUT3) (INPUT4) MENU PICTURE AV MODE STANDARD/DYNAMIC/DYNAMIC(FIXED)/MOVIE/GAME DYNAMIC DYNAMIC DYNAMIC DYNAMIC DYNAMIC (except for PC) (PC) ON/OFF BACKLIGHT BRIGHT/NORMAL/DARK/VARIABLE VARIABLE VARIABLE (STANDARD) (DYNAMIC) (DYNAMIC(FIXED) (MOVIE)
Page 18 LC-20D30U 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 DEFAULT CHART OF ADJUSTMENT PROCESS 1ST HIERARCHICAL ITEMS Initial Page No.
Page 19 LC-20D30U Initial Page No. Item Function Servicing notes & precautions Value PCAD ADJUSTMENT AUTOMATIC ADJUSTMENT OFF/RUN OF AD9883 GAIN SEE ADJUSTMENT PROCEDURE. AUTO GAIN2 AUTO OFFSET2 AUTOMATIC ADJUSTMENT OFF/RUN OF AD9883 OFFSET NOT USED PCAD R GAIN SEE ADJUSTMENT PROCEDURE.
Page 20 N358 TINT SETTING (TV) NOT USED N358 AV TINT N358 TINT SETTING (COMPOSITE, S VIDEO) NOT USED N358 TV SHARP V N358 V SHARPNESS SETTING (TV) NOT USED N358 AV SHARP V N358 V SHARPNESS SETTING (COMPOSITE, S VIDEO) NOT USED...
Page 21 PAL60 COLOR DENSITY SETTING (COMPOSITE, S VIDEO) NOT USED PAL60 AV TINT PAL60 TINT SETTING (COMPOSITE, S VIDEO) NOT USED PAL60 AV SHARP V PAL60 V SHARPNESS SETTING (COMPOSITE, S VIDEO) NOT USED PAL60 AV SHARP H1 PAL60 H SHARPNESS SETTING 1 (COMPOSITE, S VIDEO) NOT USED...
Page 22 625I COLOR 625I COLOR DENSITY SETTING (TV) NOT USED 625I TINT 625I TINT SETTING (TV) NOT USED 625I SHARP V 625I V SHARPNESS SETTING (TV) NOT USED 625I SHARP H1 625I H SHARPNESS SETTING 1 (TV) NOT USED 625I SHARP H2...
Page 23 LC-20D30U ADJUSTMENT PROCESS OTHERS DEFAULTS CHART Initial Page No. Item Function Servicing notes & precautions Value BASIC SETTINGS TUNER1 AFT UP 1.80 AFT VOLTAGE REFERENCE LEVEL (ALL BANDS) NOT USED AFT DOWN 1.20 AFT VOLTAGE REFERENCE LEVEL (ALL BANDS) NOT USED...
Page 24 LC-20D30U Ë EDID data writing list (for PC) Address Description Format Data Header Set to [00h] Set to [FFh] Set to [FFh] Set to [FFh] Set to [FFh] Set to [FFh] Set to [FFh] Set to [00h] Manufacturer's name 7bit: Set to 0...
Page 25 LC-20D30U Red x (9-2bit) ex. 0.625 1010000000 [A0h] Red x=0.640 Red y (9-2bit) Red y=0.334 Green x (9-2bit) Green x=0.281 9bit: 2 Green y (9-2bit) Green y=0.605 8bit: 2 Blue x (9-2bit) Blue x=0.144 Blue y (9-2bit) Blue y=0.071 0bit: 2 White x (9-2bit) White x=0.280...
Page 26 LC-20D30U Details 1/Monitor Details Clock=79.50 Hz Horizontal pixels=1280 pixels Horizontal blanking=384 pixels Vertical lines=768 lines Vertical blanking=30 lines Horizontal offset=64 pixels Horizontal pulse width=128 pixels Vertical offset=3 lines Vertical pulse width=7 lines Horizontal size= Vertical size= Horizontal boundary= pixels Vertical boundary=...
Page 27 LC-20D30U Details 4/Monitor Extension flag [00h] Check sum 128 bytes, 00h when all added In the case of year=2006...
Page 28 LC-20D30U Ë EDID data writing list (for HDMI) Address Description Format Data Header Set to [00h] Set to [FFh] Set to [FFh] Set to [FFh] Set to [FFh] Set to [FFh] Set to [FFh] Set to [00h] Manufacturer's name 7bit: Set to 0...
Page 29 LC-20D30U Red x (9-2bit) ex. 0.625 1010000000 [A0h] 1010001000 Red x=0.640 Red y (9-2bit) 0101010101 Red y=0.334 Green x (9-2bit) 0011010010 Green x=0.281 9bit: 2 Green y (9-2bit) 1011001111 Green y=0.605 8bit: 2 Blue x (9-2bit) 0010011010 Blue x=0.144 Blue y (9-2bit) 0001010011 Blue y=0.071...
Page 30 LC-20D30U Details 1 Pixel clock 10,000 [7-0bit] Clock=74.25MHz Pixel clock [15-8bit] No. of horizontal pixels: 780h Horizontal pixels=1920 Low-order 8 bits Horizontal blanking: 118h Horizontal blanking=280 Low-order 8bits Horizontal pixels/horizontal 7-4bit:Horizontal pixels 11-8bit blanking: High-order 4 bits 3-0bit:Horizontal pixels 11-8bit No.
Page 31 LC-20D30U Horizontal sync pulse width: 028h Horizontal pulse width=40 Low-order 8 bits Vertical sync offset/pulse width: 7-4bit:Offset 3-0bit Vertical offset=5 Low-order 4 bits 3-0bit:Pulse width 3-0bit Vertical pulse width=5 Horizontal sync offset/pulse width 7,6bit:Horizontal sync offset 9,8bit Vertical sync offset/pulse width: 5,4bit:Horizontal sync pulse width 9,8bit...
Page 32 LC-20D30U Minimum horizontal frequency 1Fh MIN.H rate=31kHz Maximum horizontal frequency 2Eh MAX.H rate=46kHz Maximum support frequency 80MHz/10 FOR GTF Set=00h if unused for GTF Set=00h if unused for GTF (Rev1:Set=0Ah) Set=00h if unused for GTF (Rev1:Set=20h) Extension flag [00h] Check sum...
Page 33 LC-20D30U [26]:2880*576@50i (16:9) [27]:2880*288@50p (4:3) [28]:2880*288@50p (16:9) [29]:1440*576@50p (4:3) [30]:1440*576@50p (16:9) [31]:1920*1080@50p (16:9) [32]:1920*1080@24p (16:9) [33]:1920*1080@25p (16:9) [33]:1920*1080@30p (16:9) (Others below) 7bit:native code [20] [19] [18] [17] CEA Data Audio Data Block Code [1] Block Collection Length [3] [00100011] 1 CEA Short Audio Descriptor for uncompressed audio...
Page 34 LC-20D30U 1 CEA Short Audio Descriptor for uncompressed audio 1 24bit [00000111] (Uncompressed audio data) 20Bit 7-3bit:Reserved (Shall be 0) 16Bit Audio Sample Size 2bit: 24bit 1bit: 20bit 0bit: 16bit 2 CEA Short Audio Descriptor for compressed audio (Compressed audio data)
Page 35 LC-20D30U Horizontal/vertical image size: 7-4bit:Horizontal image size 11-8bit High-order 4 bits 3-0bit:Vertical image size 11-8bit Horizontal boundary when not available [00h] 0pixels Vertical boundary when not available [00h] 0lines Flag 7bit: Non-interlace=[0]/Interlace=[1] 6, 5, 0bit: Normal display without stereo=[000] [000]...
Page 36 LC-20D30U No. of horizontal pixels: 500h Horizontal pixels=1280 Low-order 8 bits Horizontal blanking: 2BCh Horizontal blanking=700 Low-order 8bits Horizontal pixels/horizontal blanking: 7-4bit:Horizontal pixels 11-8bit High-order 4 bits 3-0bit:Horizontal blanking 11-8bit No. of vertical lines: 2D0h Vertical lines=720 Low-order 8 bits...
Page 37 LC-20D30U Horizontal/vertical image size: 7-4bit:Horizontal image size 11-8bit High-order 4 bits 3-0bit:Vertical image size 11-8bit Horizontal boundary when not available [00h] 0pixels Vertical boundary when not available [00h] 0lines Flag Interlace: Non Stereo: None Sync: Digital [10011110] Remaining bytes=00 Last padding byte...
Page 38: Public Mode Setting Procedure
LC-20D30U 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 (ù)" and "VOL (+)" keys on the set at once and turn on the power.
Page 39 LC-20D30U 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 40 LC-20D30U 5. On Setting Items * "EZ-SETUP" discussed below indicates "EZ-SETUP after the first power-on". (1) MAXIMUM VOLUME Selection Adjustment from 1 to 60 (no loop) Default Explanation Sound volume can not be adjusted higher than the preset value. Limit in Setting »...
Page 41 LC-20D30U (3) VOLUME FIXED LEVEL Selection Adjustment from 1 to 60 (no loop) Default " " Explanation The sound volume to be fixed by Volume fixed is determined. Limit in Setting None Exception None " " " " Remarks Setting is valid only when...
Page 42 LC-20D30U (7) ON SCREEN DISPLAY " " " " Selection Selection between Limited (loop provide) Default Explanation The following OSD displays are made ineffective. Displays of menu group, channel call, sound volume bar and direct key call " " Limit in Setting »...
Page 43 LC-20D30U (9) INPUT MODE FIXED " " " " Selection Selection between Variable Fixed (loop provide) Default – (Variable) " " Explanation The input mode is fixed at the input source or the channel set at the Input mode start in 9 and other input sources and channels can be made non-selectable.
Page 44: Trouble Shooting Table
LC-20D30U TROUBLE SHOOTING TABLE...
Page 45 LC-20D30U TROUBLE SHOOTING TABLE (Continued)
Page 46 LC-20D30U TROUBLE SHOOTING TABLE (Continued)
Page 47 LC-20D30U TROUBLE SHOOTING TABLE (Continued)
Page 48 LC-20D30U TROUBLE SHOOTING TABLE (Continued)
Page 49 LC-20D30U TROUBLE SHOOTING TABLE (Continued)
Page 50: Major Ic Information
LC-20D30U MAJOR IC INFORMATION 1. IC2001 (RH-iXA633WJN1Q), (RH-iXA633WJZZQ) 1-1.Pin Connections 80 79 78 77 76 75 74 73 72 71 70 69 68 67 66 65 64 63 62 61 60 59 58 57 56 55 54 53 52 51...
Page 51 LC-20D30U 1-2. Pin Functions Pin No. Maker's pin name Pin name Function P96/ANEX1/Sout4 AD_INT Signal change interrupt detection P95/ANEX0/CLK4 OFL_DUTY Backlight dimmer duty ratio output P94/DA1/TB4in PC-H PC signal HS frequency detection P93/DA0/TB3in P92/TB2in/Sout3 PC-V PC signal VS frequency detection...
Page 52 LC-20D30U Pin No. Maker's pin name Pin name Function P43/A19 P42/A18 HPMUTE Headphones mute P41/A17 SP MUTE1 Main speakers mute P40/A16 P37/A15 HP DET Headphones detection P36/A14 SSTBY Amplifier power control (1-bit-less model) P35/A13 HDMI connect detection P34/A12 LMUTE Line-out audio mute...
Page 53 LC-20D30U 2. IC8701(VHIMST3385M-1Q) 2-1. Pin Connections VREFN VDDP HSYNC0 SPDIFO VSYNC0 Pin 1 MCKO AVDD_ADC AUMUTE AUWS BIN0P AUSCK BIN0N AUSD SOGIN0 GIN0P GIN0N RIN0P VDDC RIN0N HSYNC1 VDDP VSYNC1 BIN1P VDDP BIN1N SOGIN1 VDDP GIN1P GIN1N RIN1P DATA[0] RIN1N...
Page 54 LC-20D30U 2-2. Pin Functions CPU Interface Pin Name Pin Type Function HWRESET Schmitt Trigger Input w/ 5V-tolerant Hardware Reset; Active High Input w/ 5V-tolerant Serial Interface Address Input Input w/ 5V-tolerant 2-Wire Serial Bus Clock Input I/O w/ 5V-tolerant 2-Wire Serial Bus Data I/O...
Page 55 LC-20D30U Output Interface Pin Name Pin Type Function DATA[23:0] Output w/ Pull-Down Data Output Bit [23:0];4~12 mA Driving 43-50, 55-62, 76-83 Note Resistor Strength Programmable by User DATACK Output w/ Pull-Down Clock Output A; 4~12 mA Driving Strength Resistor Programmable by User...
Page 56: Block Diagram
LC-20D30U BLOCK DIAGRAM MAIN SDA,SCL EEPROM PC_H,PC_V PC IN AC_DETECT IC401 IC2010 SC401 PC_R/G/B RESET IC4000 IC2006 HDMI IN SC402 IR Receiver RMC4000 IREM EEPROM IC2009 INV_POW,OFL_DAC IC2001 D4000/D4001 OPC_LED,POW_LED,TIMER_LED SP_MUTE,HP_MUTE Schmitt trigger TEMP SENSOR EEPROM IC402 HP JACK IC2002...
Page 57: Overall Wiring Diagram
LC-20D30U OVERALL WIRING DIAGRAM LCD MODULE (R1LK200T3LZ10Y) QCNW-E269WJQZ QCNW-E250WJQZ R/C LED DUNTKD676WE03 SC4000 NA523WJPZ SC5204 WA502WJPZ TO SUB6 (INTERFACE) MAIN (QPWBSD676WJ) IREM IREM 3.3VA 3.3VA POW_LED DUNTKD672WE03 POW_LED TIMER_LED QCNW-E268WJQZ (QPWBXD672WJ) TIMER_LED HP JACK J4000 OPC_LED OPC_LED JA014WJ B3.3V B3.3V...
Page 58: Description Of Schematic Diagram
LC-20D30U DESCRIPTION OF SCHEMATIC DIAGRAM VOLTAGE MEASUREMENT CONDITION: 1. The voltages at test points are measured on 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 59: Schematic Diagram Ër/C, Led Unit
LC-20D30U SCHEMATIC DIAGRAM Ë R/C, LED Unit...
Page 60: Ëmain Unit
LC-20D30U ËMAIN Unit-1/8...
Page 61 LC-20D30U ËMAIN Unit-2/8...
Page 62 LC-20D30U ËMAIN Unit-3/8...
Page 63 LC-20D30U ËMAIN Unit-4/8...
Page 64 LC-20D30U ËMAIN Unit-5/8...
Page 65 LC-20D30U ËMAIN Unit-6/8...
Page 66 LC-20D30U ËMAIN Unit-7/8...
Page 67 LC-20D30U ËMAIN Unit-8/8...
Page 68 LC-20D30U ËSUB Unit-1/7...
Page 69 LC-20D30U ËSUB Unit-2/7...
Page 70 LC-20D30U ËSUB Unit-3/7...
Page 71 LC-20D30U ËSUB Unit-4/7...
Page 72 LC-20D30U ËSUB Unit-5/7...
Page 73 LC-20D30U ËSUB Unit-6/7...
Page 74: Ësub Unit
LC-20D30U Ë SUB Unit-7/7...
Page 75: Printed Wiring Board Assemblies
LC-20D30U PRINTED WIRING BOARD ASSEMBLIES R/C, LED Unit (Component Side) (QPWBSD676WJZZ) C4006 Q4000 Q4001 D4006 D4005 R4000 R4002 IC4000 RMC4000 D4000 D4001 J4000 R4001 R4003 SC4000 C4001 FB4001 D4002 Q4002 R4010 C4003 C4000 R/C, LED Unit (Chip Parts Side) (QPWBSD676WJZZ)
Page 76 LC-20D30U MAIN Unit (Side-A)
Page 77 LC-20D30U SC401 SC402 R401 R406 VA401 VA407 VA403 VA405 R420 P1201 VA409 VA402 VA408 VA406 VA404 R417 R416 Q705 C8718 R8718 Q1201 R1205 R1204 R8715 L701 R8704 C8724 FB8707 C405 C8721 R405 D701 R8703 R8719 C8722 C8743 R8702 R8720 C8723...
Page 78 LC-20D30U MAIN Unit (Side-B)
Page 79 LC-20D30U R403 R1207 R404 R1206 IC8705 D417 C8708 R424 FB8702 R422 C407 R423 FB8701 D405 D404 R717 FB8703 FB8704 R8707 R8708 C8716 C726 R718 C8714 R409 R721 C8704 R725 R774 R775 C1219 C401 C719 R745 R8721 C8732 IC8702 R8724 C8733...
Page 80 LC-20D30U SUB Unit (Wiring Side) (QPWBFD674WJN1)
Page 81 LC-20D30U TL4051 TL4052 TL4056 TL4057 TL4054 TL4053 D6703 R3421 R3417 TL7734 R4053 R4056 TL4055 TL7740 TL4058 R3445 C3416 TL5069 R6743 TL5067 R5010 L3406 TL7738 TL5019 Q3405 TL5058 TL5109 Q5001 R3538 TL5068 TL5122 TL5121 TL5119 R3475 C3497 TL5118 TL5107 R7710 Q7703...
Page 82: 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 83 LC-20D30U Ref. No. Part No. Description Code Ref. No. Part No. Description Code DUNTKD672FM03 C1214 VCKYCY1EF104ZY J 0.1 Ceramic C1215 VCKYCY1HB103KY J 0.01 Ceramic MAIN Unit (Continued) C1216 VCKYCY1EF104ZY J 0.1 Ceramic C1217 VCKYCY1EF104ZY J 0.1 Ceramic C1218 VCKYCY1EF104ZY J 0.1...
Page 84 LC-20D30U Ref. No. Part No. Description Code Ref. No. Part No. Description Code DUNTKD672FM03 FB1301 RBLN-0035TAZZY J Ferrite Bead FB2001 RBLN-0050TAZZY J Ferrite Bead MAIN Unit (Continued) FB8703 RBLN-0050TAZZY J Ferrite Bead FB8704 RBLN-0050TAZZY J Ferrite Bead C8724 VCKYCY1CB473KY J 0.047...
Page 85 LC-20D30U Ref. No. Part No. Description Code Ref. No. Part No. Description Code DUNTKD672FM03 R769 VRS-CY1JF392JY J 3.9k 1/16W Metal Oxide R770 VRS-CY1JF103FY J 10k 1/16W Metal Oxide MAIN Unit (Continued) R771 VRS-CY1JF124FY J 120k 1/16W Metal Oxide R772 VRS-CY1JF223FY...
Page 86 LC-20D30U Ref. No. Part No. Description Code Ref. No. Part No. Description Code DUNTKD672FM03 R2111 VRS-CY1JF473JY J 47k 1/16W Metal Oxide R8702 VRS-CY1JF220JY J 22 1/16W Metal Oxide MAIN Unit (Continued) R8703 VRS-CY1JF220JY J 22 1/16W Metal Oxide R8704 VRS-CY1JF220JY...
Page 87 LC-20D30U Ref. No. Part No. Description Code Ref. No. Part No. Description Code DUNTKD674FM03 C7752 RC-EZA499WJZZ J 330 Electrolytic C7753 RC-EZA499WJZZ J 330 Electrolytic SUB Unit C7758 RC-KZ0104GEZZ J 1500p 250V Ceramic å C7759 RC-KZ0103GEZZ J 1000p 250V Ceramic å...
Page 88 LC-20D30U Ref. No. Part No. Description Code Ref. No. Part No. Description Code DUNTKD674FM03 R3403 VRS-CY1JF104JY J 100k 1/16W Metal Oxide R3404 VRS-TQ2BD750JY J 75 1/8W Metal Oxide SUB Unit (Continued) R3405 VRS-CY1JF104JY J 100k 1/16W Metal Oxide R3406 VRS-CY1JF101JY...
Page 89 LC-20D30U Ref. No. Part No. Description Code Ref. No. Part No. Description Code DUNTKD674FM03 SWITCHES S4051 QSW-K0095CEZZ J CH(Ù) SUB Unit (Continued) S4052 QSW-K0095CEZZ J MENU S4053 QSW-K0095CEZZ J CH(ù) R6705 VRS-TQ2BD103JY J 10k 1/8W Metal Oxide S4054 QSW-K0095CEZZ J VOL(+)
Page 90: Cabinet And Mechanical Parts
LC-20D30U Ref. No. Part No. Description Code Ref. No. Part No. Description Code DUNTKD676FM03 CABINET AND MECHANICAL PARTS R/C, LED Unit CCABAB255WJ01 X Cabinet A Ass'y CAPACITORS Not Available – Cabinet A — C4000 VCEASX1CN106MY J 10 16V Electrolytic HDECQA474WJSA J R/C,LED Cover C4001 VCKYCY1HB103KY J 0.01...
Page 91 LC-20D30U CABINET AND MECHANICAL PARTS 4-13 R/C, LED PWB 4-12 Inverter PWB 4-11 4-10 LCD Control 4-10 4-14 Main PWB Sub PWB...
Page 92: Packing Parts
LC-20D30U Ref. No. Part No. Description Code Ref. No. Part No. Description Code CABINET AND MECHANICAL PARTS SERVICE JIGS (Continued) (USE FOR SERVICING) QCNW-D721WJQZ J Extension Cable 26-pin, x3 CH QEARZA097WJZZ X Grounding Part (SC5201-P5002) XBBS930P05000 J Screw, x6 (SC5202-P5003)
Page 93: Packing Of The Set
LC-20D30U PACKING OF THE SET X1, X5, X6...
Page 94 LC-20D30U © COPYRIGHT 2006 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.

Sharp LC-20D30U Service Manual

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