Sharp LC-40SH340K Service Manual
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Sharp LC-40SH340K Service Manual

Dvb-t / dvb-c (hdtv), pal b/g, i / secam b/g, d/k, l/l’ system colour television
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DVB-T / DVB-C (HDTV), PAL
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SHARP CORPORATION

SERVICE MANUAL

LCD
/ SECAM
B/G, I
B/G, D/K, L/L'
MODELS
LC-40SH340K
LC-40SH340E
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regulations in some countries) the set should be re-
stored to its original condition and only parts identical
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LC-40SH340E
LC-40SH340K




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Summary of Contents for Sharp LC-40SH340K

  • Page 1: Service Manual

    LC-40SH340E LC-40SH340K SERVICE MANUAL 6(/&6+ ,VVXHG  1RYHPEHU  COLOUR TELEVISION DVB-T / DVB-C (HDTV), PAL / SECAM SYSTEM COLOUR TELEVISION B/G, I B/G, D/K, L/L’ 0% &+$66,6 MODELS LC-40SH340K LC-40SH340E In the interests of user safety (required by safety...

  • Page 2: Table Of Contents

    LC-40SH340E LC-40SH340K TABLE OF CONTENTS i. SPECIFICATIONS .......................... 5 ii. IMPORTANT SERVICE SAFETY PRECAUTIONS ............... 6 iii. OPERATION MANUAL ......................... 9 iv. DIMENSIONS ..........................15 1. INTRODUCTION ........................... 16 1.1. General Block Diagram ....................17 1.2. MB60 Placement of Blocks ................... 18 2.
  • Page 3 LC-40SH340E LC-40SH340K 8.3. MSTAR Block Diagram ....................42 8.4. Reset Circuit ....................... 42 9. CI INTERFACE ..........................43 9.1 Block Diagram ......................43 9.2 CI Interface Power Switch ................... 43 10. USB INTERFACE ........................44 11. DDR2 SDRAM 8M × 4 BANKS × 16 BIT (W9751G6JB) (U154, U155) ........45 11.1.
  • Page 4 LC-40SH340E LC-40SH340K 19.2. Features ........................59 19.3. Pinning ........................59 20. FDC642 ............................. 60 20.1. General Description ....................60 20.2. Features ........................60 20.3. Pinning ........................60 21. FDC604 ............................. 61 21.1. General Description ....................61 21.2. Features ........................61 21.3.

  • Page 5: Electrical Specifications

    Cautions regarding use in high and low temperature environments ‡ As a part of our policy of continuous im- provement, SHARP reserves the right to ‡ When the unit is used in a low temperature space (e.g. room, offi ce), the make design and specifi cation changes picture may leave trails or appear slightly delayed.

  • Page 6: Important Service Safety Precaution

    LC-40SH340E LC-40SH340K IMPORTANT SERVICE SAFETY PRECAUTION 6HUYLFH ZRUN VKRXOG EH SHUIRUPHG RQO\ E\ TXDOL¿HG VHUYLFH WHFKQLFLDQV ZKR DUH WKRURXJKO\ IDPLOLDU ZLWK DOO VDIHW\ FKHFNV DQG WKH VHUYLFLQJ JXLGHOLQHV ZKLFK IROORZ WARNING  )RU FRQWLQXHG VDIHW\ QR PRGL¿FDWLRQ RI DQ\ FLUFXLW VKRXOG EH DWWHPSWHG  'LVFRQQHFW $&...
  • Page 7 LC-40SH340E LC-40SH340K PRECAUTIONS FOR USING LEAD-FREE SOLDER  (PSOR\LQJ OHDGIUHH VROGHU ³$// 3:%´ RI WKLV PRGHO HPSOR\V OHDGIUHH VROGHU 7KH /) V\PERO LQGLFDWHV OHDGIUHH VROGHU DQG LV DWWDFKHG RQ WKH 3:%V DQG VHUYLFH PDQXDOV 7KH DOSKDEHWLFDO FKDUDFWHU IROORZLQJ /) VKRZV WKH W\SH RI OHDGIUHH VROGHU ([DPSOH Indicates lead-free solder of tin, silver and copper.
  • Page 8 LC-40SH340E LC-40SH340K END OF LIFE DISPOSAL...

  • Page 9: Operation Manual

    LC-40SH340E LC-40SH340K OPERATION MANUAL Remote Control Buttons Standby Image size / Zooms videos (in Media Browser video mode) Sleep Timer Mono / Stereo - Dual I-II / Currrent Language (*) (in DVB channels) Favourite Mode Selection (in DVB channels) Numeric buttons...

  • Page 10: Lcd Tv And Operating Buttons

    LC-40SH340E LC-40SH340K 2SHUDWLRQ 0DQXDO &RQWLQXHG LCD TV and Operating Buttons FRONT and REAR VIEW Control buttons VIEW Control Buttons 1. Standby/On button 2. TV/AV button 3. Programme Up/Down buttons 4. Volume Up/Down buttons Note: Press “ ” and buttons at the same time to view main menu.

  • Page 11: Power Connection

    LC-40SH340E LC-40SH340K 2SHUDWLRQ 0DQXDO &RQWLQXHG Viewing the Connections - Side Connectors CI Slot is used for inserting a CI card. A CI card allows you to view all the channels that you subscribe to. For more information, see “Conditional Access” section.

  • Page 12: Using Usb Inputs

    LC-40SH340E LC-40SH340K 2SHUDWLRQ 0DQXDO &RQWLQXHG CAUTION ! Using USB Inputs ‡ Quickly plugging and unplugging USB devices, USB Connection is a very hazardous operation. Especially, do not ‡ You can connect a USB hard disk drive or USB repeatedly quickly plug and unplug the drive. This...

  • Page 13: Connecting To A Dvd Player Via Hdmi

    LC-40SH340E LC-40SH340K 2SHUDWLRQ 0DQXDO &RQWLQXHG resolution. For this reason it is recommended ‡ You may also connect through the scart socket. Use to use USB hard disk drives for recording HD a SCART cable as shown below. programmes. Note: These two methods of connection perform the ‡...

  • Page 14: Connecting The Lcd Tv To A Pc

    LC-40SH340E LC-40SH340K 2SHUDWLRQ 0DQXDO &RQWLQXHG Connecting the LCD TV to a For displaying your computer’s screen image on your LCD TV, you can connect your computer to the TV set. Power off both computer and display before making any connections. Use 15-pin D-sub display cable to connect a PC to the LCD TV.

  • Page 15: Dimensions

    LC-40SH340E LC-40SH340K DIMENSIONS 'LPHQVLRQDO 'UDZLQJV PANEL 16:9 display, 40” Screen Size DIMENSIONS (mm) DxLxH (With foot): 232 x 970 x 657 Weight (Kg): 18,30 DxLxH (Without foot): 90,5 x 970 x 613 Weight (Kg): 15,60...

  • Page 16: Introduction

    LC-40SH340E LC-40SH340K INTRODUCTION 1. INTRODUCTION 17MB60 mainboard is driven by MStar SOC. This IC is capable of handling Video and audio processing, Scaling-Display processing, 3D comb filter, OSD and text processing, LVDS transmitting, channel and MPEG2/4 decoding, integrated DVB-T/C demodulator and media center functionality.

  • Page 17: General Block Diagram

    LC-40SH340E LC-40SH340K 1.1 General Block Diagram...

  • Page 18: Mb60 Placement Of Blocks

    LC-40SH340E LC-40SH340K 1.2 MB60 Placement of Blocks...

  • Page 19: Tuner(Tu102)

    LC-40SH340E LC-40SH340K CIRCUIT DESCRIPTIONS 2. TUNER(TU102) A horizontal mounted and Digital Half-NIM tuner is used in the product, which covers 3 Bands(From 48MHz to 862MHz for COFDM, from 45.25MHz to 863.25MHz for CCIR CH). The tuning is available through the digitally controlled I2C bus (PLL).

  • Page 20: General Description Of Samsung Dtos403Lh122X

    LC-40SH340E LC-40SH340K 2.1.General description of Samsung DTOS403LH122X: The Tuner covers 3 Bands(from 48MHz to 862MHz for COFDM, from 45.25MHz to 863.25MHz for CCIR CH). Band selection and Tuning are performed digitally via the I2C bus. 2.2.Features of DTOS403LH122X: Receiving System: This TUNER is designed to cover the air channels in VHF and UHF, compliant with DVB-T standard.

  • Page 21: Pinning

    LC-40SH340E LC-40SH340K 2.3.Pinning: Pin no. Terminal Name Pin Description Ant Power Active Antenna Power +5V, Supply Voltage (Preamplifier, DC/DC) RF AGC RF AGC (internal or external mode) I2C Serial Clock I2C Serial Clock +5V, Supply Voltage (RF Amp, PLL, IF Amp) BT(T.P)

  • Page 22: Saw Filter - Audio - Epcos K9656M(Z101)

    LC-40SH340E LC-40SH340K 3. SAW FILTER – Audio – Epcos K9656M(Z101) 3.1.Standard L/L’ 3.2.Features TV IF audio filter with two channels Channel 1 (L’) with one pass band for sound carriers at 40,40 MHz (L’) and 39,75 MHz (L’- NICAM) Channel 2 (B/G,D/K,L,I) with one pass band for sound carriers between 32,35 MHz and 33,40 MHz 3.3.Pin configuration...

  • Page 23: Frequency Response

    LC-40SH340E LC-40SH340K 3.4.Frequency response Frequency response of channel 1 Frequency response of channel 2...

  • Page 24: Saw Filter - Video - Epcos K3958M(Z102)

    LC-40SH340E LC-40SH340K 4. SAW FILTER – Video – Epcos K3958M(Z102) 4.1.Standard L/L’ 4.2.Features TV IF filter with Nyquist slopes at 33.90 MHz and 38.90 MHz Constant group delay 4.3.Pin configuration: 1 Input 2 Input - ground 3 Chip - carrier ground...

  • Page 25: Frequency Response

    LC-40SH340E LC-40SH340K 4.4.Frequency response...

  • Page 26: Audio Amplifier Stage With Azad2102(U163, U164)

    LC-40SH340E LC-40SH340K 5. AUDIO AMPLIFIER STAGE WITH AZAD2102(U163, U164) 5.1.General Description 17MB60 uses two 2,5W Class D Mono Audio Amplifers for from 16” to 24” TVs. AZAD2102B is a 2.9 Watts PD[ FDQ RIIHU  :DWWV # /RDG Ÿ7+'   $9GG '9GG 9ROW ZLWK KLJK HIILFLHQF\ ILOWHU-free class-D audio power amplifier in a 1613 mm x 1613 mm wafer chip scale package (WCSP).

  • Page 27: Absolute Ratings

    LC-40SH340E LC-40SH340K 5.3.Absolute Ratings 5.3.1.Electrical Characteristics...

  • Page 28: Operating Specifications

    LC-40SH340E LC-40SH340K 5.3.2.Operating Specifications...

  • Page 29: Pinning

    LC-40SH340E LC-40SH340K 5.4.Pinning...

  • Page 30: Audio Amplifier Stage With Tpa3113(U168)

    LC-40SH340E LC-40SH340K 6. AUDIO AMPLIFIER STAGE WITH TPA3113(U168) 6.1.General Description 17MB60 uses a 6W Class D Mono Audio Amplifiers for from 26” to 32” TVs. The TPA3113D2 is a 6-W (per channel) efficient, Class-D audio power amplifier for driving bridged-tied stereo speakers. Advanced EMI Suppression Technology enables the use of inexpensive ferrite bead filters at the outputs while meeting EMC requirements.

  • Page 31: Operating Specifications

    LC-40SH340E LC-40SH340K 6.3.2.Operating Specifications 6.4.Pinning...

  • Page 32: Power Stage

    LC-40SH340E LC-40SH340K 7. POWER STAGE The DC voltages required at various parts of the chassis and panel are provided by a main power supply unit. MB60 chassis can operate with IPS60, IPS16, IPS17, PW26, PW27 as main power supply and also with 12V adaptor.
  • Page 33 LC-40SH340E LC-40SH340K...

  • Page 34: Short Cct Protection Circuit

    LC-40SH340E LC-40SH340K For adopter case also below blocks are necessary. 7.1.Short CCT Protection Circuit Short circuit protection is necessary for protecting chassis and main IC against damages when any Vcc supply shorts to ground. Protect pin should be logic high while normal operation. When there is a short...

  • Page 35: Power Management

    LC-40SH340E LC-40SH340K Power Management -- W/Adapter Fuse AC/DC 12Vcc1 Adapter @3138mA = 1270mA+1408mA+460mA P ch Mosfet 12Vcc2 12Vcc1 FDC642 @1270mA = 1050mA+220mA +1270 LM1117 2.5V 3.3Vcc DC/DC DPAK @ 240mA +240mA MP1583 12Vcc1 5Vstby DC/DC SO-8 @2703mA=21mA+2682 +1408mA MP2012 3.3Vcc +774mA 1.5A...
  • Page 36 LC-40SH340E LC-40SH340K MB60 Power Management W/PW27 & PW03 & PW04 24Vcc 1500mA Power 12Vcc2 @2170mA = 1950mA+220mA Supply 5Vcc @1482mA PW27 3.3Vcc @1269mA = 255mA+240mA+774mA PW03 4.2V (Low Power Stby) @91mA = 70mA +21mA PW04 LM1117 2.5V 3.3Vcc DPAK @ 240mA...

  • Page 37: Microcontroller - Mstar(U157)

    LC-40SH340E LC-40SH340K 8. MICROCONTROLLER – MSTAR(U157) 8.1.General Description The MSD9WB7PX-2 integrates DTV/multi-media all-purpose AV decoder, DVB-T demodulator, VIF demodulator, and Sound/Video processor into a single device. This allows the overall BOM to be reduced significantly making the MSD9WB7PX-2 a very competitive multi-media DTV solution. For ATV users, the MSD9WB7PX-2 provides multi-standard analog TV support with adaptive 3D video decoding and VBI data extraction.
  • Page 38 LC-40SH340E LC-40SH340K H.264 Decoder ITU-T H.264, ISO/IEC 14496-10 (main and high profile up to level 4.1) video decoding Supports resolutions for all DVB, ATSC, HDTV, DVD and VCD Supports resolution up to 1080p@30fps Supports CABAC and CAVLC stream types Processing of ES and PES streams, extraction and provision of time stamps Up to 40 Mbits bit rate (Bluray spec.)
  • Page 39 LC-40SH340E LC-40SH340K Two L/R outputs for main speakers and additional line-outputs Supports stereo headphone driver I2S digital audio input & output S/PDIF digital audio output HDMI audio channel processing Programmable delay for audio/video synchronization Analog RGB Compliant Input Port Three analog ports support up to 1080P...
  • Page 40 LC-40SH340E LC-40SH340K o Dynamic Vivid Skin o Dynamic sharpened Luma/Chroma edges o Global and local dynamic depth of field perception o Accurate and independent color control o Supports sRGB and xvYCC color processing o Supports HDMI 1.3 deep color format...
  • Page 41 LC-40SH340E LC-40SH340K Supports DVB-C 0.7-7M Baud symbol rate ±400kHz internal carrier offset recovery range  —secs echo cancellation at 7 Msym/s Supports IF, low-IF, zero-IF inputs Ultra-fast automatic blind UHF/VHF channel scan (constellations and symbol rate) Connectivity Two USB 2.0 host ports...

  • Page 42: Mstar Block Diagram

    LC-40SH340E LC-40SH340K 8.3.MSTAR Block Diagram 8.4.Reset Circuit Reset circuit using for initializing main MStar IC. Reset condition is high and normal working condition is low for RESET pin.

  • Page 43: Ci Interface

    LC-40SH340E LC-40SH340K 9. CI INTERFACE Block Diagram CI Interface Power Switch It is used for CI module supply, when Module is inserted (it means CI detect is low) This circuit is opened or closed by CI_POWER_CTRL port of main Controller...

  • Page 44: Usb Interface

    LC-40SH340E LC-40SH340K USB INTERFACE Main Concept IC has integrated 2 USB 2.0 interface. One of them is used for Ethernet function, the other one is used for USB connectivity for last user. Last user can play video, picture and audio files. Also digital channels can be record to external storage device by this interface.

  • Page 45: Ddr2 Sdram 8M × 4 Banks × 16 Bit (W9751G6Jb) (U154, U155)

    LC-40SH340E LC-40SH340K DDR2 SDRAM 8M × 4 BANKS × 16 BIT (W9751G6JB) (U154, U155) 11.1 12.1. General Description The W9751G6JB is a 512M bits DDR2 SDRAM, organized as 8,388,608 words × 4 banks × 16 bits. This device achieves high speed transfer rates up to 1066Mb/sec/pin (DDR2-1066) for general applications.

  • Page 46: Pinning

    LC-40SH340E LC-40SH340K 11.4 12.4. Pinning...
  • Page 47 LC-40SH340E LC-40SH340K...

  • Page 48: Scaler And Lvds Sockets

    LC-40SH340E LC-40SH340K SCALER AND LVDS SOCKETS 12.1 13.1. LVDS sockets Block Diagram 12.2 13.2. Panel Supply Switch Circuit This switch is used to open and close panel supply of TCON. It is controlled by port of main &RQWUROOHU. Also with this circuit panel sequence could be adjusted correctly. 3 panel supplies are connected to this...
  • Page 49 LC-40SH340E LC-40SH340K...

  • Page 50: Nand Flash Memory - Mx25L1005 (U158)

    LC-40SH340E LC-40SH340K NAND FLASH MEMORY - MX25L1005 (U158) 13.1 14.1. General Description MX25L1005 is a CMOS 1,048,576 bit serial Flash memory, which is configured as 131,072 x 8 internally. The MX25L1005 feature a serial peripheral interface and software protocol allowing operation on a simple 3-wire bus.

  • Page 51: Nand Flash Memory - Nand512Xxa2C (U162)

    LC-40SH340E LC-40SH340K NAND FLASH MEMORY – NAND512XXA2C (U162) 14.1 15.1. General Description The NAND flash 528-byte/ 264-word page is a family of non-volatile flash memories that uses the single level cell (SLC) NAND technology. It is referred to as the small page family.

  • Page 52: Pinning

    LC-40SH340E LC-40SH340K Electronic signature Chip Enable ‘don’t care’ Security features o OTP area Serial number (unique ID) option Hardware data protection o Program/erase locked during power transitions Data integrity o 100,000 program/erase cycles (with ECC) o 10 years data retention...

  • Page 53: Usb2.0 To Fast Ethernet - Asix Ax88X72A (U171)

    LC-40SH340E LC-40SH340K USB2.0 to Fast Ethernet – ASIX AX88X72A (U171) 15.1 16.1. General Description The AX88772A/AX88172A Low-pin-count USB 2.0 to 10/100M Fast Ethernet controller is a high performance and highly integrated ASIC which enables low cost, small form factor, and simple plug-and- play Fast Ethernet network connection capability for desktops, notebook PC’s, Ultra-Mobile PC’s, docking...

  • Page 54: Block Diagram

    LC-40SH340E LC-40SH340K Supports Suspend Mode and Remote Wakeup via Link-up, Magic packet, MS wakeup frame and external pin Optional PHY power down during Suspend Mode Versatile External Media Interface Optional MII interface in MAC mode allows AX88172A to work with external 100BASE-FX...

  • Page 55: Lm1117(U175, U180, U181)

    LC-40SH340E LC-40SH340K LM1117(U175, U180, U181) 16.1 17.1. General Description The LM1117 is a series of low dropout voltage regulators with a dropout of 1.2V at 800mA of load current. It has the same pin-out as National Semiconductor’s industry standard LM317. The LM1117 is available in an adjustable version, which can set the output voltage from 1.25V to 13.8V with only two external resistors.

  • Page 56: Mp2012 (U176)

    LC-40SH340E LC-40SH340K MP2012 (U176) 17.1 18.1. General Description The MP2012 is a fully integrated, internally compensated 1.2MHz fixed frequency PWM step-down converter. It is ideal for powering portable equipment that runs from a single cell Lithium-Ion (Li+) Battery, with an input range from 2.7V to 6V. The MP2012 can provide up to 1.5A of load current with output voltage as low as 0.8V.

  • Page 57: Rta8283A (U23, U173)

    LC-40SH340E LC-40SH340K RTA8283A (U23, U173) 18.1 19.1. General Description The RT8283A is a high-efficiency, monolithic synchronous step-down DC/DC converter that can deliver up to 3A output current from a 4.5V to 23V input supply. The RT8283A's current mode architecture and external compensation allow the transient response to be optimized over a wide range of loads and output capacitors.

  • Page 58: Pinning

    LC-40SH340E LC-40SH340K 18.3 19.3. Pinning Pin No. Description Name BOOT Bootstrap for high-side gate driver. Connect a 0.1 F or greater ceramic capacitor from BOOT to SW pins. Input Supply 4.5V to 23V. Must bypass with a suitably large ceramic capacitor.

  • Page 59: Mp1583 (U174)

    LC-40SH340E LC-40SH340K MP1583 (U174) 19.1 20.1. General Description The MP1583 is a step-down regulator with a built-in internal Power MOSFET. It achieves 3A of continuous output current over a wide input supply range with excellent load and line regulation. Current mode operation provides fast transient response and eases loop stabilization.

  • Page 60: Fdc642

    LC-40SH340E LC-40SH340K FDC642 20.1 21.1. General Description This P-Channel 2.5V specified MOSFET is produced using Fairchild’s advanced PowerTrench® process that has been especially tailored to minimize on-state resistance and yet maintain low gate charge for superior switching performance. These devices have been designed to offer exceptional power dissipation in a very small footprint for applications where the larger packages are impractical.

  • Page 61: Fdc604

    LC-40SH340E LC-40SH340K FDC604P 21.1 22.1. General Description This P-Channel 1.8V specified MOSFET uses Fairchild’s low voltage PowerTrench process. It has been optimized for battery power management applications. 21.2 22.2. Features –5.5 A, – 9 5'6 21  PŸ # 9*6 –4.5 V 5'6 21  PŸ...

  • Page 62: Connectors

    LC-40SH340E LC-40SH340K CONNECTORS 22.1 23.1. SCART (SC1) 22.2 23.2. HDMI (CN707,CN708)

  • Page 63: Vga (Cn132)

    LC-40SH340E LC-40SH340K 22.3 23.3. VGA (CN132)

  • Page 64: Service Menu Settings

    LC-40SH340E LC-40SH340K SERVICE MENU SETTINGS SERVICE MENU SETTINGS In order to reach service menu, First Press “MENU” Then press the remote control code two times, which is “4725”. In first screen following items can be seen:...

  • Page 65: Video Settings

    LC-40SH340E LC-40SH340K 23.1 24.1. Video Settings 23.2 24.2. Audio Settings...

  • Page 66: Options

    LC-40SH340E LC-40SH340K 23.3 Options...

  • Page 67: Tuning Settings

    LC-40SH340E LC-40SH340K 23.4 Tuning Settings 23.5 Source Settings...

  • Page 68: Diagnostic

    LC-40SH340E LC-40SH340K 23.6 Diagnostic 23.7 USB Operations USB operations option cannot be used directly. It can be used for updating panel tool, hw configuration etc.

  • Page 69: Software Update

    LC-40SH340E LC-40SH340K SOFTWARE UPDATE  6RIWZDUH XSGDWH Analog - Digital SW update via USB Please copy the files to USB (root). ‡ mb60_en.bin ‡ mboot.bin ‡ usb_auto_update.txt Turn power to OFF by mechanical switch(rocker switch) or removing AC plug. And plug the USB to TV...

  • Page 70: Troubleshooting

    LC-40SH340E LC-40SH340K TROUBLESHOOTING TROUBLESHOOTING 25.1 26.1. No Backlight Problem Problem: If TV is working, led is normal and there is no picture and backlight on the panel. Possible causes: Backlight pin, dimming pin, backlight supply, stby on/off pin Backlight pin should be high in open position. If it is low, please check Q181 and panel cables.
  • Page 71 LC-40SH340E LC-40SH340K STBY_ON/OFF should be low for standby on condition, please check R1677.

  • Page 72: Ci Module Problem

    LC-40SH340E LC-40SH340K 25.2 26.2. CI Module Problem Problem: CI is not working when CI module inserted. Possible causes: Supply, supply control pin, detect pins, mechanical positions of pins CI supply should be 5V when CI module inserted. If it is not 5V please check CI_POWER_CTRL, this pin should be low.

  • Page 73: Led Blinking Problem

    LC-40SH340E LC-40SH340K 25.3 26.3. Led Blinking Problem Problem: LED blinking, no other operation This problem indicates a short on Vcc voltages. Protect pin should be logic high while normal operation. When there is a short circuit protect pin will be logic low. If you detect logic low on protect pin, unplug...

  • Page 74: Ir Problem

    LC-40SH340E LC-40SH340K 25.4 26.4. IR Problem Problem: LED or IR not working Check LED card supply on MB60 chassis.

  • Page 75: Keypad Touchpad Problems

    LC-40SH340E LC-40SH340K 25.5 26.5. Keypad Touchpad Problems Problem: Keypad or Touchpad is not working Check keypad supply and KEYBOARD pin on MB60.

  • Page 76: Usb Problems

    LC-40SH340E LC-40SH340K 25.6 26.6. USB Problems Problem: USB is not working or no USB Detection. Check USB Supply, It should be nearly 5V. Also USB Enable should be logic high.

  • Page 77: No Sound Problem

    LC-40SH340E LC-40SH340K 25.7 26.7. No Sound Problem Problem: No audio at main TV speaker outputs. Check supply voltages of VDD_AUDIO, 5V_VCC and 3V3_VCC with a voltage-meter. There may be a problem in headphone connector or headphone detect circuit (when headphone is connected, speakers are automatically muted).

  • Page 78: No Signal Problem

    LC-40SH340E LC-40SH340K 25.10 26.11. No Signal Problem Problem: No signal in TV mode. Check tuner supply voltage; 5V_TUN. Check tuner options are correctly set in Service menu. Check AGC voltage at RF_AGC pin of tuner.

  • Page 91: Replacement Parts List

    D145 30012411 DIODE SMD BA782 0.1A 35V SOD123 ROHS 20565605 CHS.ASSY.17MB60-C4L1211H12222221142 (Main Board LC-40SH340K) D165 30042066 DIODE SMDSCH1N5819 1A/40V/25A SOD123ROHS 20579493 MD.ASY.17LD98-7-40883 (MB60(SHARP)) I/R & LED BOARD (with cable) G D169 30019996 DIODE BAV70 215mA/75V 4A SOT23 RoHS 20467110 MD.ASY.17TK129CY-2-26-42855/6/7(V5.0 SW) (Touch Board ) D171 30038480 DIODE SMD ZEN C5.6V SOD123 ROHS...
  • Page 92 LC-40SH340E LC-40SH340K PRICE PRICE REF No. PARTS REF No. PARTS CODE CODE DESCRIPTION DESCRIPTION F206 30020530 FERRIT SMD 600R/100MHz 0.5R M 0.2A 603Ro C1032 30064117 CAP SMD 10UF 16V K X5R (0805) RoHS F248 30020530 FERRIT SMD 600R/100MHz 0.5R M 0.2A 603Ro C1033 30069320 CAP SMD 22UF 6.3V M X7R (1206) RoHS...
  • Page 93 LC-40SH340E LC-40SH340K PRICE PRICE REF No. PARTS REF No. PARTS CODE CODE DESCRIPTION DESCRIPTION C1190 30022196 CAP SMD 470PF 50V J X7R (0402) ROHS C797 30062359 CAP SMD 47NF 16V K X7R (0402) ROHS C1195 30067872 CAP SMD 10UF 10V M X5R (0805) ROHS...
  • Page 94 LC-40SH340E LC-40SH340K PRICE PRICE REF No. PARTS REF No. PARTS CODE CODE DESCRIPTION DESCRIPTION C951 30022238 CAP SMD 33PF 50V J COG (0402) ROHS R1365 30022041 RES SMD 1/16W 1K F 0402 ROHS C952 30022238 CAP SMD 33PF 50V J COG (0402) ROHS...
  • Page 95 LC-40SH340E LC-40SH340K PRICE PRICE REF No. PARTS REF No. PARTS CODE CODE DESCRIPTION DESCRIPTION R1496 30022078 RES SMD 1/16W 3.9K J 0402 RoHS R1613 30041373 RES NET 1/16W 22R J 8P 0402 ROHS R15 30070980 FERRIT SMD 220R/100Mhz 0.35R M 0.3A 402R R1614 30021987 RES SMD 1/16W 4.7K J 0402 RoHS...
  • Page 96 LC-40SH340E LC-40SH340K PRICE PRICE REF No. PARTS REF No. PARTS CODE CODE DESCRIPTION DESCRIPTION R1770 30022026 RES SMD 1/16W 150K J 0402 RoHS R1914 30022084 RES SMD 1/16W 33K J 0402 RoHS R1833 30021996 RES SMD 1/16W 10K J 0402 ROHS...
  • Page 97 LC-40SH340E LC-40SH340K PRICE PRICE REF No. PARTS REF No. PARTS CODE CODE DESCRIPTION DESCRIPTION R844 30021990 RES SMD 1/16W 4.7R J 0402 ROHS IC824 30033743 TR NMOS NTGS3446 5.1A/20V TSOP6 ROHS R845 30021990 RES SMD 1/16W 4.7R J 0402 ROHS...
  • Page 98 C1025 30015459 CAP SMD 470NF 25V K X7R (0805) ROHS C916 30000263 CAP SMD 56PF 50V J COG (0805) ROHS C1027 30056342 CAP CER SAFE 3.3NF 4KV M 3.5MM SHARP RoH C917 30069938 CAP CER SAFE 1NF 4KV M 3.5MMSHAROHS C1029 30056342 CAP CER SAFE 3.3NF 4KV M 3.5MM SHARP RoH...
  • Page 99 LC-40SH340E LC-40SH340K PRICE PRICE REF No. PARTS REF No. PARTS CODE CODE DESCRIPTION DESCRIPTION R1006 30060652 RES SMD 1/4W 100K J (1206) RoHS R830 30006765 RES MO 2W 0.22R J TAPED RoHS R1007 30060652 RES SMD 1/4W 100K J (1206) RoHS R831 30000563 RES SMD 1/10W 1.8K J 0805 ROHS...
  • Page 100 LC-40SH340E LC-40SH340K PRICE PRICE REF No. PARTS REF No. PARTS CODE DESCRIPTION CODE DESCRIPTION J140 30002583 JUMPER WIRE 0.6MM R960 30070785 RES MG SAFE 1/2W 7.8M J NEW ROHS J141 30002583 JUMPER WIRE 0.6MM R962 30000751 RES SMD 1/10W 5.6K J 0805 ROHS J142 30002583 JUMPER WIRE 0.6MM...

  • Page 101: Cabinet And Mechanical Parts Listing

    30055588 PWR CORD SAFE UK 1800-380MM W/F+GR+H ROH (LC40SH340K) 20562101 R/C 1910 SHARP¬1910 (GRAYS/S) REMOTE CONTROLLER 20563289 SHARP LC-40SH340E (Owner Manual & Accesories ( Batteries, cables ) 20561066 SHARP LC-40SH340K (Owner Manual & Accesories ) (Batteries, cables) PACKING PARTS LISTING PRICE REF No.
  • Page 102 LC-40SH340E LC-40SH340K 1RWHV...
  • Page 105 LC-40SH340E LC-40SH340K 1RWHV...
  • Page 106 LC-40SH340E LC-40SH340K COPYRIGHT © 2011 BY SHARP CORPORATION ALL RIGHTS RESERVED No part of this publication may be reproduced, VWRUHG LQ D UHWULHYDO V\VWHP RU WUDQVPLWWHG LQ DQ\ form or by any means, electronic, mechanical, photocopying, recording, or otherwise, without...

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