Sharp LC-52SB55U Service Manual
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Sharp LC-52SB55U Service Manual

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TopPage
CHAPTER 1. SPECIFICATIONS
[1]
SPECIFICATIONS .................................................1-1
[1]
OPERATION MANUAL ..........................................2-1
[1]
DIMENSIONS ........................................................3-1
[1]
REMOVING OF MAJOR PARTS ...........................4-1
[1]
ADJUSTMENT PROCEDURE ...............................5-1
[2]
[1]
TROUBLE SHOOTING TABLE..............................6-1
[1]
MAJOR IC INFORMATIONS..................................7-1
[1]
OVERALL WIRING DIAGRAM ..............................8-1
[2]
SYSTEM BLOCK DIAGRAM .................................8-2
Parts marked with "
" are important for maintaining the safety of the set. Be sure to replace these parts with specified ones for maintaining the
safety and performance of the set.

SERVICE MANUAL

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
No. S68L8LC52SB55

LCD COLOR TELEVISION

LC-52SB55U
CHAPTER 9. PRINTED WIRING BOARD ASSEMBLIES
[1]
R/C, LED Unit.........................................................9-1
[2]
KEY Unit.................................................................9-2
[3]
MAIN Unit...............................................................9-3
[1]
[2]
R/C, LED Unit.......................................................10-2
[3]
KEY Unit...............................................................10-3
[4]
MAIN Unit.............................................................10-4
This document has been published to be used for
after sales service only.
The contents are subject to change without notice.
LC-52SB55U

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Summary of Contents for Sharp LC-52SB55U

  • Page 1: Table Of Contents

    TopPage LC-52SB55U SERVICE MANUAL No. S68L8LC52SB55 LCD COLOR TELEVISION LC-52SB55U 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: Safety Precaution Important Service Safety Precaution

    LC-52SB55U LC-52SB55U SAFETY PRECAUTION Service Manual IMPORTANT SERVICE SAFETY PRECAUTION Service work should be performed only by qualified service technicians who are thoroughly familiar with all safety checks and the servicing guidelines which follow: WARNING • Use an AC voltmeter having with 5000 ohm per volt, or higher, sen- sitivity or measure the AC voltage drop across the resistor.

  • Page 3: Precautions A Prendre Lors De La Reparation

    LC-52SB55U PRECAUTIONS A PRENDRE LORS DE LA REPARATION Ne peut effectuer la réparation qu' un technicien spécialisé qui s'est parfaitement accoutumé à toute vérification de sécurité et aux conseils suivants. AVERTISSEMENT • A l'aide de deux fils à pinces, brancher une résistance de 1.5 kΩ...

  • Page 4: Precautions For Using Lead-Free Solder

    LC-52SB55U PRECAUTIONS FOR USING LEAD-FREE SOLDER Employing lead-free solder • “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: Precautions In Servicing The Hdcp-Key Rom

    LC-52SB55U PRECAUTIONS IN SERVICING THE HDCP-KEY ROM Applied part: HDCP-KEY ROM IC8451 RH-IXC318WJQZY (updated ROM) The HDCP-KEY ROM shall be protected and managed for its information inside. In servicing this ROM, therefore, take the following information pro- tection/management measures. 1) When disposing of the component parts and PWBs, destruct the IC itself in a proper way.

  • Page 6: Specifications

    The dimensional drawings are shown on the Spanish operation manual. As 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 production units.

  • Page 7: Chapter 2. Operation Manual

    LC-52SB55U CHAPTER 2. LC-52SB55U OPERATION MANUAL Service Manual [1] OPERATION MANUAL Part Names TV (Front) Remote control sensor OPC sensor * OPC indicator SLEEP indicator POWER indicator * OPC: Optical Picture Control TV (Rear/Side) POWER button MENU button AC INPUT...
  • Page 8 LC-52SB55U Part Names Remote Control Unit 1 POWER: Switch the TV power on or enters standby. 2 CC: Display captions from a closed-caption source. 3 AUDIO: Selects the MTS/SAP or the audio mode during multi-channel audio broadcasts. 4 0–9: Set the channel.

  • Page 9: Quick Reference

    This TV should be mounted on the wall only with the Before performing work spread cushioning over the base AN-52AG4 (SHARP) wall mount bracket. The use of area to lay the TV on. This will prevent it from being other wall mount brackets may result in an unstable damaged.
  • Page 10 LC-52SB55U Appendix Troubleshooting Problem Possible Solution No power Check if you pressed POWER on the remote control unit. If the indicator on the TV does not light up, press POWER on the TV. Is the AC cord disconnected? Has the power been turned on? Unit cannot be operated.
  • Page 11 LC-52SB55U On-Screen Display Menu Menu Items For TV/INPUT 1/2/3 Mode For HDMI/PC-IN Mode For HTML Mode Picture Menu Picture Menu Picture Menu Backlight Backlight Backlight Contrast Contrast Contrast Brightness Brightness Brightness Color Color Color Tint Tint Tint Sharpness Sharpness Sharpness...

  • Page 12: Chapter 3. Dimensions Dimensions

    LC-52SB55U CHAPTER 3. LC-52SB55U DIMENSIONS Service Manual [1] DIMENSIONS Unit: inch (mm) (550) (1252) (132) (93) (1156.9) (343) (400) 3 – 1...

  • Page 13: Chapter 4. Removing Of Major Parts

    LC-52SB55U CHAPTER 4. LC-52SB55U REMOVING OF MAJOR PARTS Service Manual [1] REMOVING OF MAJOR PARTS 1. Remove the 4 lock screws and detach the Stand. 2. Remove the 1 lock screw. 3. Remove the 1 lock screw. 4. Remove the 12 lock screws and detach the Rear Cabinet.
  • Page 14 LC-52SB55U 5. Disconnect SP-Wire and detach the Speaker-LR. 6. Detach the KEY Unit Ass'y. 7. Detach the KEY Unit from the KEY Button Cover, and disconnect KM-Wire. 8. Detach the R/C, LED Unit, and disconnect RA-Wire. KEY Unit KEY Button Cover...
  • Page 15 LC-52SB55U 9. Remove the 2 lock screws, 2 lock screws and detach the Side AV Cover. 10.Remove the 4 lock shafts, 3 lock screws, 11 lock screws and detach the Main Shield. Main Shield Side AV Cover 4 – 3...
  • Page 16 LC-52SB55U 11.Disconnect all the connectors from all the PWBs. 4 – 4...
  • Page 17 LC-52SB55U 12.Remove the 7 lock screws and detach the MAIN Unit, Heat Sink Ass'y. 13.Remove the 5 lock screws and detach the POWER Unit Ass'y. 14.Remove the 6 lock screws and detach the POWER Unit from the Power Fix Angle.
  • Page 18 LC-52SB55U 15.Remove the 4 lock screws and detach the Main Fix Angle. 16.Remove the 14 lock screws and detach the Panel Support Angle. 17.Remove the 6 lock screws and detach the LCD Panel Module. 18.Remove the 2 lock screws and detach the Center Lug.

  • Page 19: Chapter 5. Adjustment

    LC-52SB55U CHAPTER 5. LC-52SB55U ADJUSTMENT Service Manual [1] ADJUSTMENT PROCEDURE The adjustment values are set to the optimum conditions at the factory before shipping. If a value should become improper or an adjustment is required due to part replacement, make an adjustment according to the following procedure.
  • Page 20 LC-52SB55U 5. Even a single failure in the process will trigger the upgrade failure screen. SB55 UPGRADE FAILURE NOTE: In the event of a failure, repeat the upgrade process. If the process repeatedly fails, it is likely that the hardware need fixing.
  • Page 21 LC-52SB55U 2.3. Monitor microprocessor software version upgrade Create the USB memory for monitor microprocessor software version upgrade in the same manner as explained in the “Main software version upgrade”. Copy the file LAKEVAxx.USB and LAKEMxxx.BIN (named temporarily) for monitor microprocessor software version upgrade to the USB memory.
  • Page 22 LC-52SB55U 2.4. Upgrading LCD controller software Create the USB memory for LCD controller software version upgrade in the same manner as explained in the “Main software version upgrade”. Copy the file LAKELAxx.USB and LAKELDxx.LCD to USB memory. 2.4.1 How to upgrade the software 1.
  • Page 23 LC-52SB55U 3. Entering and exiting the adjustment process mode 1) Before entering the adjustment process mode, the AV position RESET in the video adjustment menu. 2) While holding down the “VOL (–)” and “INPUT” keys at a time, plug in the AC cord of the main unit to turn on the power.
  • Page 24 LC-52SB55U 5. List of adjustment process mode menu The character string in brackets [ ] will appear as a page title in the adjustment process menu header. Page Line Item Description Remarks (adjustment detail, etc.) MAIN Version Main software version...
  • Page 25 LC-52SB55U Page Line Item Description Remarks (adjustment detail, etc.) ANALOG RGB ADJ Analog RGB picture level adjustment R A_GAIN G A_GAIN B A_GAIN R D_GAIN G D_GAIN B D_GAIN R OFFSET G OFFSET B OFFSET VCOM ADJ VCOM adjustment value...
  • Page 26 LC-52SB55U Page Line Item Description Remarks (adjustment detail, etc.) Audio Switch Flat Mode ADC Volume 1 ADC Volume 2 ADC Volume 3 ADC Volume 4 ADC Volume 5 ADC Volume 6 Lip Sync LR Lip Sync Monitor Lip Sync SW...
  • Page 27 LC-52SB55U Page Line Item Description Remarks (adjustment detail, etc.) BE ATT BE G Limit Bass Center ATT Bass Vol0 MIN Bass Vol60 MIN Bass Vol60 Center Bass Vol0 MAX Bass Vol60 MAX Treble Center ATT Treble Vol0 MIN Treble Vol60 MIN...
  • Page 28 LC-52SB55U Page Line Item Description Remarks (adjustment detail, etc.) BRIGHTNESS DA23 BRIGHTNESS DA24 BRIGHTNESS DA25 BRIGHTNESS DA26 BRIGHTNESS DA27 BRIGHTNESS DA28 BRIGHTNESS DA29 BRIGHTNESS DA30 BRIGHTNESS DA31 BRIGHTNESS DA32 OPC33 ADLEVEL 0 OPC33 ADLEVEL 1 OPC33 ADLEVEL 2 OPC33 ADLEVEL 3...
  • Page 29 LC-52SB55U Page Line Item Description Remarks (adjustment detail, etc.) LCD TEST PATTERN TV TEST PATTERN 1 TV TEST PATTERN 2 KEY LOCK(1217) KOUTEI AREA ALL CLEAR A MODE AREA CLEAR BACKUP AREA CLEAR B MODE AREA CLEAR EXECUTION EEP SAVE...

  • Page 30: Special Features

    LC-52SB55U 6. Special features * STANDBY CAUSE (Page 1/38) Display of a cause (code) of the last standby The cause of the last standby is recorded in EEPROM whenever possible. Checking this code will be useful in finding a problem when you repair the troubled set.
  • Page 31 LC-52SB55U 7.5. Component 33K signal adjustment Adjustment item Adjustment conditions Adjustment procedure Adjustment 1080i signal Feed the 100% color bar signal to INPUT 1 component input. 100% white Auto adjustment Page 6/38 Bring the cursor on [•COMP 33K ADJ (INPUT1)] and press [ENTER].
  • Page 32 LC-52SB55U 8. Adjustment of white balance 8.1. White balance adjustment Adjustment item Adjustment conditions Adjustment procedure Setting For detailed adjustment procedure, refer to “Kameyama Model Integral Monitor WB Adjustment Specifications V1.6”. 1) Make the following settings for the set. AV MODE: [DYNAMIC]...

  • Page 33: Initialization To Factory Settings

    LC-52SB55U 8.2. Adjusting procedure by use of [RS-232C] 1. Get ready the PC with COM port (RS-232C) running on Windows 95/98/ME/2000/XP operating system, as well as the RS-232C cross cable. 2. Start the unit with the RS-232C cable connected. 3. Start the terminal software. (The freeware readily available on the Internet will do.) 4.
  • Page 34 LC-52SB55U 10. Model number ID plug Model numbers are identified by inserting the destination ID plug (QCNCMA275WJQZ) in its specified slot of the destination ID connector SC9201/ SC9202 (QCNCWA715WJQZY). Output Optical output S terminal 5 – 16...

  • Page 35: Public Mode Setting Procedure

    LC-52SB55U [2] PUBLIC MODE SETTING PROCEDURE 1. How to start Public Mode • There are the following two ways to get the public mode setup screen displayed. In the adjustment process mode, turn on “PUBLIC MODE”. Also press the “CH ( )”...
  • Page 36 LC-52SB55U 4. Public Mode Menu The guidance is not displayed onscreen. Setup procedure • To move the cursor up and down, use the “cursor UP/DOWN” key (remote controller) and “CH ( )” key (remote controller and set). • To change the settings, use the “cursor RIGHT/LEFT” key (remote controller) and “VOL (+)/(–)” key (remote controller and set).
  • Page 37 LC-52SB55U 5. On Setting Items * “EZ-SETUP” discussed below indicates “EZ-SETUP after the first power-on”. 1) POWER ON FIXED Selection Selection between “Variable” and “Fixed” (loop provided) Default – (Variable) Explanation 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.
  • Page 38 LC-52SB55U 6) PANEL BUTTON Selection Selection between “Respond” and “No respond” (loop provided) Default Respond Explanation All the operations by keys (except the power key) of the unit can be invalidated. Limit in Setting • Adjustment process, inspection mode and hotel menu mode can be started irrespective of setting.
  • Page 39 LC-52SB55U 10)INPUT MODE FIXED Selection Selection between “Variable”, “Fixed”, “ACON (AC CTRL)” and “AC/RCON (AC/RC CTRL)” (loop provided) Default – (Variable) • At the “Fixed” setting, the TV set gets started with the settings of “Input mode start”, and then any other channels and inputs Explanation are not accepted.
  • Page 40 LC-52SB55U 15)PUBLIC MODE (ON/OFF) Selection Selection between “ON” and “OFF” (loop provided) Default Explanation In case of “ON”, public mode settings are effected. Limit in Setting None Exception None Remarks The public-mode settings are operable only when this item is set at ON.

  • Page 41: Chapter 6. Trouble Shooting Table

    LC-52SB55U CHAPTER 6. LC-52SB55U TROUBLE SHOOTING TABLE Service Manual [1] TROUBLE SHOOTING TABLE No video (1) COMPOSITE: No external input video COMPOSITE: No external input video [INPUT-1] [INPUT-3] Is INPUT-1 selected on the input select menu screen? Is INPUT-3 selected on the input select menu screen?
  • Page 42 LC-52SB55U No video (2) COMPONENT: No external input video [INPUT-1] COMPONENT: No external input video [INPUT-2] Is INPUT-1 selected on the input select menu screen? Is INPUT-2 selected on the input select menu screen? Is the INPUT-SELECT for the input signal?
  • Page 43 LC-52SB55U No video (3) S-VIDEO: No external input video [INPUT-2] Is INPUT-2 selected on the input select menu screen? Does the INPUT-2 S1_PLUG detection function? Check the line between pin(6) of input terminal(J504) and pin(AN9) of IC8001(CPU). Are there the S-VIDEO signal inputs at pins(AN17)(Y) and...
  • Page 44 LC-52SB55U No video (4) No video at UHF/VHF broadcast signal reception No video at digital broadcast signal reception Is the specified TV signal selected on the input select menu screen? Is there the analog video signal output (VIDEO) at pin(13) of...
  • Page 45 LC-52SB55U No video (5) PC: No external input video [INPUT-4] Is INPUT-4 selected on the input select menu screen? Select INPUT-4 on the input select menu screen for the right input signal. Is IC1803(EEPROM) accessed by I2C, with PC connected, to read the DDC_I2C SCL/SDA data? Check the DDC line and its peripheral circuits.
  • Page 46 LC-52SB55U [HDMI input] No video (6) HDMI: No external input video [INPUT-5] HDMI: No external input video [INPUT-6] Is INPUT-5 selected on the input select menu screen? Is INPUT-6 selected on the input select menu screen? Select INPUT-5 on the input select menu screen Select INPUT-6 on the input select menu for the right input signal.
  • Page 47 LC-52SB55U [HDMI input] No video (6) HDMI: No external input video [INPUT-7] HDMI: No external input video [INPUT-8] Is INPUT-7 selected on the input select menu screen? Is INPUT-8 selected on the input select menu screen? Select INPUT-7 on the input select menu screen for the Select INPUT-8 on the input select menu screen for the right input signal.
  • Page 48 LC-52SB55U No audio (1) INPUT-1 No audio. INPUT-2 No audio. Is INPUT-1 selected on the input select menu screen? Is INPUT-2 selected on the input select menu screen? Is the audio output selected for “VARIABLE” on the menu Is the audio output selected for “VARIABLE” on the...
  • Page 49 LC-52SB55U No audio (1) INPUT-3 No audio. Is INPUT-3 selected on the input select menu screen? Is the audio output selected for “VARIABLE” on the menu screen? Set the audio output to “FIXED”. Does the audio signal come from pins(5)(L) and (4)(R) of input ter- minal(J501) to pins(40)(L) and (41)(R) of IC1403(CODEC)? Check the line between J501 and IC1403.
  • Page 50 LC-52SB55U No audio (2) [PC analog audio input] INPUT-4 No audio. [HDMI analog audio input] INPUT-6 No audio. Is INPUT-4 selected on the input select menu screen? Is INPUT-6 selected on the input select menu screen? Is the audio output selected for “VARIABLE” on the Is the audio output selected for “VARIABLE”...
  • Page 51 LC-52SB55U No audio (3) No audio at UHF/VHF broadcast signal reception. No audio at digital broadcast signal reception. Is TV selected on the input select menu screen? Is TV selected on the input select menu screen? Is the audio output selected for “VARIABLE” on the menu Is the audio output selected for “VARIABLE”...
  • Page 52 LC-52SB55U No audio (4) INPUT-5 No audio (HDMI connected) INPUT-6 No audio (HDMI connected) INPUT-7 No audio (HDMI connected) INPUT-8 No audio (HDMI connected) [INPUT-5 input] Is the audio output selected for “VARIABLE” on the Is INPUT-5 selected on the input select menu screen?
  • Page 53 LC-52SB55U No audio signal at Digital Audio Output terminal (Analog sound heard) No INPUT-5/6/7/8(HDMI) audio. No audio at digital broadcast signal reception. If no video appears, refer to “No external input video (HDMI) [INPUT-5/6/ Are there the video signal outputs (IF_P/N) at the pins(19) and (20) 7/8]”.
  • Page 54 LC-52SB55U No monitor audio output Is the audio output from the monitor set at “VARIABLE” or “FIXED” on the Check the I2C line(SCL0/SDA0) and IC1403. menu screen? Are there the audio signal outputs at pins(24)(LINE_L) and (25)(LINE_R) of Check IC1403 and its peripheral circuits.
  • Page 55 LC-52SB55U LED flashing timing chart for error notification. 250ms 1sec 1) Power LED (The power LED (Blue) which lights during TV reception flashes.) Error type Power red LED operation (1 cycle) Pins are microprocessor pins. Lamp failure ERR_PNL (pin 40): L failure. Confirmed after 10 consecutive...
  • Page 56 LC-52SB55U 2) Power failure details (Power LED flashes twice and OPC LED flashes) Error type Notification LED operation (1 cycle) Pins are microprocessor pins unless otherwise specified. PS_ON DET_15V (pin 34). UR15V or A9V is not applied. DET_15V failure H: On...

  • Page 57: Chapter 7. Major Ic Informations

    LC-52SB55U CHAPTER 7. LC-52SB55U MAJOR IC INFORMATIONS Service Manual [1] MAJOR IC INFORMATIONS 1. MAJOR IC INFORMATIONS 1.1. IC1403 (VHiAK4682AE-1Y) This IC provides for 2-channel A/D and 4-channel D/A (192-kHz sampling). The analog audio signal from INPUT-1/2/3 or INPUT-4 (PC-IN audio) or INPUT-6 (HDMI-analog audio) input terminal is fed into this IC for selection.
  • Page 58 LC-52SB55U 1.6. IC8151/IC8152/IC8153/IC8154 (RH-iXC317WJQZQ) These are 256-Mbit (16M x 16bit) DDR synchronous DRAM. 1.7. IC8451 (RH-iXC318WJQZY) This is 8k-bit EEPROM device including the HDCP key data. 1.8. IC8452 (VHiS29GL1282EQ) The 256M-bit page mode flash memory device stores the main CPU program.

  • Page 59: Chapter 8. Overall Wiring/Block Diagram

    LC-52SB55U LC-52SB55U CHAPTER 8. OVERALL WIRING/BLOCK DIAGRAM Service Manual [1] OVERALL WIRING DIAGRAM Output Optical output S terminal 8 – 1...

  • Page 60: System Block Diagram

    LC-52SB55U [2] SYSTEM BLOCK DIAGRAM Vert. Insert Vert. Insert Horiz. Insert Noncompliant with Pro: Idiom Noncompliant with MPEG4 (No PWB Pattern) Vert. Insert Vert. Insert Connector for Model Detect Connector for Panel Detect Vert. Insert Vert. Insert Vert. Insert Vert. Insert...

  • Page 61: R/C, Led Unit

    LC-52SB55U LC-52SB55U CHAPTER 9. PRINTED WIRING BOARD ASSEMBLIES Service Manual [1] R/C, LED Unit R/C, LED Unit (Side-A) R/C, LED Unit (Side-A Chip) C104 R120 R126 R107 C108 Q102 C107 P102 R119 P101 R121 R104 R124 RMC102 IC102 RMC101 IC101...

  • Page 62: Key Unit

    LC-52SB55U [2] KEY Unit KEY Unit (Side-A) KEY Unit (Side-A Chip) R154 D155 P151 R152 9 – 2...

  • Page 63: Main Unit

    LC-52SB55U [3] MAIN Unit MAIN Unit (Side-A) 9 – 3...
  • Page 64 LC-52SB55U J501 SC1601 J8001 LUG1101 S2002 S2003 S2005 S2006 S2004 S2001 S2007 R1864 SG1609 FB511 FB512 D2001 C1825 FB502 SG1615 D530 R615 C2029 D1812 SG1621 R628 R9205 R8004 C535 C540 R625 SG1623 D2003 FB2001 R2041 FB8004 R1848 R1849 SG1610 FB1809...
  • Page 65 LC-52SB55U MAIN Unit (Side-B) 9 – 5...
  • Page 66 LC-52SB55U R2009 C2020 R2008 D1608 R2066 IC2004 R1604 R1622 IC1601 Q1601 R1610 D1605 IC2007 C2017 C2018 FB1606 R1674 R9206 C2001 D1609 R2002 Q1614 R1653 R9203 R2038 R2058 D1616 D1615 R2029 Q1613 Q2007 R2018 C2002 R1635 R1637 Q1604 Q1606 R2032 R2033...

  • Page 67: Chapter 10. Schematic Diagram

    LC-52SB55U LC-52SB55U CHAPTER 10. SCHEMATIC DIAGRAM Service Manual [1] DESCRIPTION OF SCHEMATIC DIAGRAM 1. 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 gener- ator for servicing purpose and the above voltages are measured with a 20k ohm/V tester.

  • Page 68: R/C, Led Unit

    LC-52SB55U [2] R/C, LED Unit 10 – 2...

  • Page 69: Key Unit

    LC-52SB55U [3] KEY Unit 10 – 3...

  • Page 70: Main Unit

    LC-52SB55U [4] MAIN Unit • MAIN Unit-1/17 10 – 4...
  • Page 71 LC-52SB55U • MAIN Unit-2/17 10 – 5...
  • Page 72 LC-52SB55U • MAIN Unit-3/17 10 – 6...
  • Page 73 LC-52SB55U • MAIN Unit-4/17 10 – 7...
  • Page 74 LC-52SB55U • MAIN Unit-5/17 10 – 8...
  • Page 75 LC-52SB55U • MAIN Unit-6/17 10 – 9...
  • Page 76 LC-52SB55U • MAIN Unit-7/17 10 – 10...
  • Page 77 LC-52SB55U • MAIN Unit-8/17 10 – 11...
  • Page 78 LC-52SB55U • MAIN Unit-9/17 10 – 12...
  • Page 79 LC-52SB55U • MAIN Unit-10/17 10 – 13...
  • Page 80 LC-52SB55U • MAIN Unit-11/17 10 – 14...
  • Page 81 LC-52SB55U • MAIN Unit-12/17 10 – 15...
  • Page 82 LC-52SB55U • MAIN Unit-13/17 10 – 16...
  • Page 83 LC-52SB55U • MAIN Unit-14/17 10 – 17...
  • Page 84 LC-52SB55U • MAIN Unit-15/17 10 – 18...
  • Page 85 LC-52SB55U • MAIN Unit-16/17 10 – 19...
  • Page 86 LC-52SB55U • MAIN Unit-17/17 10 – 20...

  • Page 87: Parts Guide

    LC-52SB55U PartsGuide PARTS GUIDE No. S68L8LC52SB55 Note: The reference numbers on the PWB LC-52SB55U are arranged in alphabetical order. MODEL CONTENTS CABINET AND MECHANICAL PARTS PRINTED WIRING BOARD ASSEMBLIES SUPPLIED ACCESSORIES LCD PANEL (NOTE: THE PARTS HERE SHOWN ARE SUPPLIED AS AN ASSEMBLY PACKING PARTS (NOT REPLACEMENT ITEM) BUT NOT INDEPENDENTLY.)
  • Page 88 LC-52SB55U PRICE PARTS CODE PART DESCRIPTION RANK MARK DELIVERY [1] PRINTED WIRING BOARD ASSEMBLIES R/C, LED Unit DUNTKE264FM02 KEY Unit DUNTKE266FM02 MAIN Unit DUNTKE716FM01 POWER Unit RDENCA295WJQZ [2] LCD PANEL (NOTE: THE PARTS HERE SHOWN ARE SUPPLIED AS AN ASSEMBLY BUT NOT INDEPEN- DENTLY.)
  • Page 89 LC-52SB55U PRICE PARTS CODE PART DESCRIPTION RANK MARK DELIVERY [5] DUNTKE716FM01 (MAIN Unit) C550 Capacitor, 220p 50V Ceramic VCCCCZ1HH221JY C552 Capacitor, 220p 50V Ceramic VCCCCZ1HH221JY C554 Capacitor, 220p 50V Ceramic VCCCCZ1HH221JY C555 Capacitor, 1 10V Ceramic VCKYCY1AB105KY C557 Capacitor, 1 10V Ceramic...
  • Page 90 LC-52SB55U PRICE PARTS CODE PART DESCRIPTION RANK MARK DELIVERY [5] DUNTKE716FM01 (MAIN Unit) C1635 Capacitor, 10 16V Ceramic RC-KZA510WJPZY C1636 Capacitor, 10 16V Ceramic RC-KZA510WJPZY C1801 Capacitor, 10 16V Ceramic RC-KZA510WJPZY C1802 Capacitor, 0.01 25V Ceramic VCKYCZ1EB103KY C1803 Capacitor, 10 16V Ceramic...
  • Page 91 LC-52SB55U PRICE PARTS CODE PART DESCRIPTION RANK MARK DELIVERY [5] DUNTKE716FM01 (MAIN Unit) C2748 Capacitor, 100p 50V Ceramic VCCCCZ1HH101JY C8001 Capacitor, 0.1 10V Ceramic VCKYCZ1AB104KY C8002 Capacitor, 0.01 25V Ceramic VCKYCZ1EB103KY C8004 Capacitor, 1000p 50V Ceramic VCKYCZ1HB102KY C8005 Capacitor, 0.01 25V Ceramic...
  • Page 92 LC-52SB55U PRICE PARTS CODE PART DESCRIPTION RANK MARK DELIVERY [5] DUNTKE716FM01 (MAIN Unit) C8088 Capacitor, 0.1 10V Ceramic VCKYCZ1AB104KY C8089 Capacitor, 1 16V Ceramic VCKYTV1CB105KY C8090 Capacitor, 0.1 10V Ceramic VCKYCZ1AB104KY C8091 Capacitor, 1 16V Ceramic VCKYTV1CB105KY C8092 Capacitor, 0.1 10V Ceramic...
  • Page 93 LC-52SB55U PRICE PARTS CODE PART DESCRIPTION RANK MARK DELIVERY [5] DUNTKE716FM01 (MAIN Unit) C8180 Capacitor, 2700p 50V Ceramic VCKYCZ1HB272KY C8181 Capacitor, 2700p 50V Ceramic VCKYCZ1HB272KY C8182 Capacitor, 470p 50V Ceramic VCKYCZ1HB471KY C8183 Capacitor, 470p 50V Ceramic VCKYCZ1HB471KY C8184 Capacitor, 0.1 10V Ceramic...
  • Page 94 LC-52SB55U PRICE PARTS CODE PART DESCRIPTION RANK MARK DELIVERY [5] DUNTKE716FM01 (MAIN Unit) C9612 Capacitor, 10 16V Ceramic RC-KZA510WJPZY C9613 Capacitor, 10 16V Ceramic RC-KZA510WJPZY C9616 Capacitor, 10 16V Ceramic RC-KZA510WJPZY C9617 Capacitor, 10 16V Ceramic RC-KZA510WJPZY C9618 Capacitor, 10 16V Ceramic...
  • Page 95 LC-52SB55U PRICE PARTS CODE PART DESCRIPTION RANK MARK DELIVERY [5] DUNTKE716FM01 (MAIN Unit) D9003 Diode, 1PS184,115 VHD1PS184++-1Y D9005 Diode, MAZ91200H0L VHDMAZ9120H-1Y D9007 Zener Diode, PDZ7.5B,115 RH-EX0262TAZZY D9304 Diode, 1PS184,115 VHD1PS184++-1Y D9601 Diode, D1FS4A-5063 VHDD1FS4A++-1Y D9602 VHDMA111G++-1Y Diode, MA2J1110GL D9603 Diode, 1PS184,115...
  • Page 96 LC-52SB55U PRICE PARTS CODE PART DESCRIPTION RANK MARK DELIVERY [5] DUNTKE716FM01 (MAIN Unit) FB2621 Ferrite Core RBLN-A074WJZZY FB2622 Ferrite Core RBLN-A074WJZZY FB2623 Ferrite Core RBLN-A074WJZZY FB2624 Ferrite Core RBLN-A074WJZZY FB2625 Ferrite Core RBLN-A074WJZZY FB2626 RBLN-A074WJZZY Ferrite Core FB2627 Ferrite Core...
  • Page 97 LC-52SB55U PRICE PARTS CODE PART DESCRIPTION RANK MARK DELIVERY [5] DUNTKE716FM01 (MAIN Unit) IC9604 IC, LV5893M-TE-L-E VHILV5893M+-1Y IC9703 IC, TCR5SB33(TE85L,F) VHITCR5SB33-1Y IC9704 IC, PQ090DNA1ZPH VHIPQ090DNA-1Y J501 Jack QJAKGA079WJZZ J502 Jack QJAKGA108WJZZ J503 QJAKFA039WJZZ Jack J504 Socket QSOCDA035WJZZ J505 Jack QJAKFA039WJZZ...
  • Page 98 LC-52SB55U PRICE PARTS CODE PART DESCRIPTION RANK MARK DELIVERY [5] DUNTKE716FM01 (MAIN Unit) Q1312 Transistor VSKRC404E++-1Y Q1601 Transistor, RN1904(TE85L,F) VSRN1904///-1Y Q1602 Transistor, RN1904(TE85L,F) VSRN1904///-1Y Q1603 Transistor, RN1904(TE85L,F) VSRN1904///-1Y Q1604 Transistor, RN1904(TE85L,F) VSRN1904///-1Y Q1605 VSRN1904///-1Y Transistor, RN1904(TE85L,F) Q1606 Transistor, RN1904(TE85L,F) VSRN1904///-1Y...
  • Page 99 LC-52SB55U PRICE PARTS CODE PART DESCRIPTION RANK MARK DELIVERY [5] DUNTKE716FM01 (MAIN Unit) R1108 Resistor, 100 1/16W Metal Oxide VRS-CZ1JF101JY R1109 Resistor, 330 1/16W Metal Oxide VRS-CZ1JF331JY R1111 Resistor, 20k 1/16W Metal Oxide VRS-CZ1JF203JY R1112 Resistor, 150 1/16W Metal Oxide...
  • Page 100 LC-52SB55U PRICE PARTS CODE PART DESCRIPTION RANK MARK DELIVERY [5] DUNTKE716FM01 (MAIN Unit) R1631 Resistor, 47k 1/16W Metal Oxide VRS-CZ1JF473FY R1632 Resistor, 47k 1/16W Metal Oxide VRS-CZ1JF473FY R1633 Resistor, 10 1/16W Metal Oxide VRS-CZ1JF100JY R1634 Resistor, 10 1/16W Metal Oxide...
  • Page 101 LC-52SB55U PRICE PARTS CODE PART DESCRIPTION RANK MARK DELIVERY [5] DUNTKE716FM01 (MAIN Unit) R1872 Resistor, 4.7k 1/16W Metal Oxide VRS-CZ1JF472JY R1873 Resistor, 1k 1/16W Metal Oxide VRS-CZ1JF102FY R1875 Resistor, 10k 1/16W Metal Oxide VRS-CZ1JF103FY R1876 Resistor, 10k 1/16W Metal Oxide...
  • Page 102 LC-52SB55U PRICE PARTS CODE PART DESCRIPTION RANK MARK DELIVERY [5] DUNTKE716FM01 (MAIN Unit) R2717 Resistor, 27k 1/16W Metal Oxide VRS-CZ1JF273FY R2718 Resistor, 12k 1/16W Metal Oxide VRS-CZ1JF123JY R2719 Resistor, 20k 1/16W Metal Oxide VRS-CZ1JF203JY R2726 Resistor, 0 1/16W Metal Oxide...
  • Page 103 LC-52SB55U PRICE PARTS CODE PART DESCRIPTION RANK MARK DELIVERY [5] DUNTKE716FM01 (MAIN Unit) R8154 Resistor, 22 1/16W Metal Oxide VRS-CG1JF220JY R8155 Resistor, 22 1/16W Metal Oxide VRS-CG1JF220JY R8156 Resistor, 22 1/16W Metal Oxide VRS-CG1JF220JY R8157 Resistor, 22 1/16W Metal Oxide...
  • Page 104 LC-52SB55U PRICE PARTS CODE PART DESCRIPTION RANK MARK DELIVERY [5] DUNTKE716FM01 (MAIN Unit) R8240 Resistor, 68 1/16W Metal Oxide VRS-CG1JF680JY R8241 Resistor, 68 1/16W Metal Oxide VRS-CG1JF680JY R8242 Resistor, 68 1/16W Metal Oxide VRS-CG1JF680JY R8243 Resistor, 68 1/16W Metal Oxide...
  • Page 105 LC-52SB55U PRICE PARTS CODE PART DESCRIPTION RANK MARK DELIVERY [5] DUNTKE716FM01 (MAIN Unit) R9604 Resistor, 1.2k 1/16W Metal Oxide VRS-CZ1JF122JY R9605 Resistor, 5.6k 1/16W Metal Oxide VRS-CZ1JF562JY R9606 Resistor, 220k 1/16W Metal Oxide VRS-CZ1JF224JY R9607 Resistor, 2.2k 1/16W Metal Oxide...
  • Page 106 LC-52SB55U PRICE PARTS CODE PART DESCRIPTION RANK MARK DELIVERY [5] DUNTKE716FM01 (MAIN Unit) SG1815 Discharge Gap, EZAEG2A50AX RH-VXA187WJQZY SG1816 Discharge Gap, EZAEG2A50AX RH-VXA187WJQZY TH2001 Thermistor VHHM1103J03-1Y TU1101 Tuner RTUDAA016WJQZ VA8001 Varistor, AVRL101A1R1NTB RH-VXA074WJZZY VA8002 RH-VXA074WJZZY Varistor, AVRL101A1R1NTB X1401 Crystal, 12.288MHz...
  • Page 107 LC-52SB55U [6] CABINET AND MECHANICAL PARTS R/C, LED Unit KEY Unit POWER Unit MAIN Unit 52-2 52-2 52-3 52-3 52-1 52-2 52-2...
  • Page 108 LC-52SB55U PRICE PARTS CODE PART DESCRIPTION RANK MARK DELIVERY [6] CABINET AND MECHANICAL PARTS Front Cabinet Ass'y CCABAC123WJ01 Front Cabinet Not Available Badge, SHARP Not Available LED Decoration HDECQA777WJ3A SP Sheet HPNLSA202WJKA Rear Cabinet Ass'y CCABBB352WJ01 Rear Cabinet Not Available...
  • Page 109 LC-52SB55U [7] SUPPLIED ACCESSORIES Cable Band Cable Clamp AC Cord Remote Control Unit "AAA" Size Battery Stand Unit PRICE PARTS CODE PART DESCRIPTION RANK MARK DELIVERY [7] SUPPLIED ACCESSORIES Cable Band LHLDWA083WJ00 Cable Clamp LHLDWA173WJKZ AC Cord QACCDA039WJPZ Remote Control Unit...
  • Page 110 LC-52SB55U [8] PACKING PARTS (NOT REPLACEMENT ITEM)
  • Page 111 LC-52SB55U PRICE PARTS CODE PART DESCRIPTION RANK MARK DELIVERY [8] PACKING PARTS (NOT REPLACEMENT ITEM) Packing Case (Bottom) SPAKCE353WJZZ Packing Case (Main) SPAKCE454WJZZ Stand Case SPAKFB626WJZZ Wrapping Paper SPAKPA992WJZZ Wrapping Paper SPAKPB231WJZZ Packing Add. SPAKXC097WJZZ Polyethylene Bag SSAKA0101GJZZ Polyethylene Bag...
  • Page 112 LC-52SB55U COPYRIGHT 2008 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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