Sharp LC-22LE240E Service Manual Download

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LC-22LE240

SERVICE MANUAL

LED LCD

COLOUR TELEVISION

160mm

125mm

100mm

80mm

63mm

50mm

40mm

31.5mm

25mm

20mm

A-data-1

sharp.

Corporate Trademark

DVB-T / DVB-C (HDTV), PAL

B/G, I

/ SECAM

B/G, D/K, L/L’

SYSTEM COLOUR TELEVISION

1st Edition

In the interests of user safety (required by safety

regulations in some countries) the set should be re-

stored to its original condition and only parts identical

to those specified should be used.

CONTENTS

TABLE OF CONTENTS ....................................................................................................................... 2

ELECTRICAL SPECIFICATIONS ....................................................................................................... 5

IMPORTANT SERVICE SAFETY PRECAUTIONS ................................................................................ 6

OPERATION MANUAL ........................................................................................................................... 9

DIMENSIONS ..................................................................................................................................... 15

INTRODUCTION .................................................................................................................................. 16

CIRCUIT DESCRIPTIONS .................................................................................................................. 19

SERVICE MENU SETTINGS ........................................................................................................... 51

SOFTWARE UPDATE ............................................................................................................................ 56

TROUBLESHOOTING ..................................................................................................................... 57

OVERAL WIRING DIAGRAM ........................................................................................................... 65

SCHEMATIC DIAGRAMS ................................................................................................................ 66

PRINTED WIRING BOARD ....................................................................................................................... 76

REPLACEMENT PARTS LISTING ............................................................................................... 77

CABINET AND MECHANICAL PARTS LISTING ...................................................................... 86

Issued: 26 March 2012

MODEL

LC-22LE240E

LC-22LE240EV

LC-22LE240RU

This document has been published to

be used for after sales service only.

The contents are subject to change without notice.

LC-22LE240K

LCD COLOUR TELEVISION

OPERATION MANUAL

ENGLISH

502

000

SHARP ELECTRONICS (UK) Limited

4 Furzeground Way, Stockley Park

Uxbridge, UB11 1EZ, UK

17MB62 CHASSIS

SHARP CORPORATION

Summary of Contents for LC-22LE240E

Page 1: ... OF CONTENTS 2 ELECTRICAL SPECIFICATIONS 5 IMPORTANT SERVICE SAFETY PRECAUTIONS 6 OPERATION MANUAL 9 DIMENSIONS 15 INTRODUCTION 16 CIRCUIT DESCRIPTIONS 19 SERVICE MENU SETTINGS 51 SOFTWARE UPDATE 56 TROUBLESHOOTING 57 OVERAL WIRING DIAGRAM 65 SCHEMATIC DIAGRAMS 66 PRINTED WIRING BOARD 76 REPLACEMENT PARTS LISTING 77 CABINET AND MECHANICAL PARTS LISTING 86 Issued 26 March 2012 MODEL LC 22LE240E LC ...

Page 2: ... 23 2 4 Pinning 23 3 AUDIO AMPLIFIER STAGE WITH TPA3113 U168 24 3 1 General Description 24 3 2 Features 24 3 3 Absolute Ratings 24 3 3 1 Electrical Characteristics 24 3 3 2 Operating Specifications 25 3 4 Pinning 25 4 POWER STAGE 26 4 1 Power Management 29 5 MICROCONTROLLER MSTAR U5 31 5 1 General Description 31 5 2 MSTAR Block Diagram 35 5 3 Reset Circuit 35 6 CI INTERFACE 36 7 USB INTERFACE 36 8...

Page 3: ...on 45 13 2 Features 45 13 3 Pinning 45 14 RTA8283A U23 U173 46 14 1 General Description 46 14 2 Features 46 14 3 Pinning 46 15 MP1583 U174 47 15 1 General Description 47 15 2 Features 47 15 3 Pinning 47 16 FDC642 48 16 1 General Description 48 16 2 Features 48 16 3 Pinning 48 17 FDC604P 49 17 1 General Description 49 17 2 Features 49 17 3 Pinning 49 18 CONNECTORS 49 18 1 SCART SC1 49 18 2 HDMI CN7...

Page 4: ...blem 60 21 4 IR Problem 61 21 5 Keypad Touchpad Problems 62 21 6 USB Problems 62 21 7 No Sound Problem 63 21 8 No Sound Problem at Headphone 63 21 9 Standby On Off Problem 64 21 10 No Signal Problem 64 22 OVERALL WIRING DIAGRAM 65 23 SCHEMATIC DIAGRAMS 66 24 PRINTED WIRING BOARD 76 25 REPLACEMENT PARTS LISTING 77 26 CABINET AND MECHANICAL PARTS LISTING 86 ...

Page 5: ...lish Estonian Finnish French German Greek Hungarian Italian Latvian Lithuanian Norwegian Polish Portuguese Russian Slovak Slovene Spanish Swedish Turkish Ukrainian Byelorussian Romanian Power Requirement AC 220 240 V 50 Hz Power Consumption IEC62087 Method 30W 0 25 W Standby 85W 0 25 W Standby Weight 4 9 Kg Without stand 6 Kg With stand 8 5 Kg Without stand 9 8 Kg With stand Operating Temperature ...

Page 6: ...d and check that hardware is not lodged between the chassis and other metal parts in the receiver 2 Inspect all protective devices such as non metallic control knobs insulation materials cabinet backs adjustment and compartment covers or shields isolation resistor capacitor networks mechanical insulators etc 3 To be sure that no shock hazard exists check for leakage current in the following manner...

Page 7: ...ional lead solder by 40 C and as it has poor solder wettability you may be apt to keep the soldering bit in contact with the PWB for extended period of time However Since the land may be peeled off or the maximum heat resistance temperature of parts may be exceeded remove the bit from the PWB as soon as you confirm the steady soldering condition Lead free solder contains more tin and the end of th...

Page 8: ...ned free of charge to the dealer even if you don t purchase a new product Further collection facilities are listed on the homepage of www swico ch or www sens ch B Information on Disposal for Business Users 1 In the European Union If the product is used for business purposes and you want to discard it Please contact your SHARP dealer who will inform you about the take back of the product You might...

Page 9: ...edule in EPG Tag 20 Untag All in favourite list Play Slideshow in Media Browser Loop Shuf e in Media Browser Picture mode selection Changes picture mode 21 in Media Browser video mode No function 22 Teletext Mix in TXT mode 23 Subtitle on off in DVB channels 24 Previous programme 25 AV Source selection 26 Menu on off 27 Okay Con rm Hold in TXT mode Edit 28 Channel List Exit Return Index page in TX...

Page 10: ...s must be connected via the HDMI sockets or Component Socket These sockets can accept either 720p or 1080i signals No sound connection is needed for an HDMI to HDMI connection RF Input 5 connects to an aerial antenna system or a cable Note that if you use a decoder or a media recorder you should connect the aerial cable through the device to the television with an appropriate antenna cable as show...

Page 11: ...le to the TV s Side AV socket Afterwards insert your video cable s not supplied connector into the YELLOW input located on the plural side of the supplied AV connection cable Colours of the connected jacks should match To enable audio connection you must use RED and WHITE inputs of the side AV connection cable Afterwards insert your device s audio cable s connectors into the RED and WHITE jack of ...

Page 12: ...ion Especially do not repeatedly quickly plug and unplug the drive This may cause physical damage to the USB player and especially the USB device itself Do not pull out USB module while playing or recording a le Programme Recording To record a programme you should rst connect a USB disk to your TV while the TV is switched off You should then switch on the TV to enable recording feature IMPORTANT W...

Page 13: ...ferent levels of quality It is not necessary to connect by all three methods Multipartiton support is available Maximum two different partitions are supported If the disk have more than two partitions crash may occur First partition of the usb disk is used for PVR ready features It also must be formatted as primary partition to be used for PVR ready features Some stream packets may not be recorded...

Page 14: ...as illustrated above Remote Control Handset Inserting Batteries Remove the battery cover located on the back of the handset by gently pulling backwards from the indicated part Insert two AAA R3 or equivalent type batteries inside Observe the correct polarity when inserting batteries and replace the battery cover Note Remove the battery from remote control handset when it is not to be used for a lo...

Page 15: ... VID All MP lterin CVBS iii AU All MP Samp kHz Speci cations TV BROADCASTING PAL SECAM B G D K K I I L L RECEIVING CHANNELS VHF BAND I III UHF BAND U HYPERBAND NUMBER OF PRESET CHANNELS 1000 CHANNEL INDICATOR On Screen Display RF AERIAL INPUT 75 Ohm unbalanced OPERATING VOLTAGE 220 240V AC 50Hz AUDIO German Nicam Stereo AUDIO OUTPUT POWER WRMS 10 THD 2 x 2 5 POWER CONSUMPTION W 45 W max 0 5 W Stan...

Page 16: ...NICAM stereo Also DVB T DVB C are supported internal demoulators of Mstar IC and DVB S S2 is supported with externall demodulator Sound system output is supplying max 2x2 5W less 10 THD at max output with 4Ω speakers or 2x6W for stereo 8Ω speakers Supported peripherals are 1 RF input VHF I VHF III UHF 75Ohm Common 1 Side AV CVBS R L_Audio 1 SCART socket Common 1 YPbPr Optional 1 PC input Common 2 ...

Page 17: ...17 LC 22LE240 0 1 General Block Diagram 1 General Block Diagram ...

Page 18: ...U5 Tuner T3 Nand Flash U162 SPI Flash DDR2 RAM U155 LVDS Connectors DVD Connector External Keyboard Touchboard Power Connector Satellite Tuner Keypad YPbPr SAV HP USB HDMI Connectors VGA SCART Connec tor SPDIF Out Adapter DC Input Speaker Con Led Con Inv Con Sat Demod CI Connector ...

Page 19: ...ly short circuit protection is done by circuits and microcontroller 1 1 General description of Sony RE216 The SUT RE216 is designed for terrestrial TV digital analog and digital cable reception It includes a full band tuner and a channel filtering for digital signals It provides a low IF output after channel filtering to drive a channel demodulator Tuning band switching and initialization are made...

Page 20: ...I2C bus controlled For Hybrid TV applications Pinning Table and Application Block Diagram of Tuner 2 AUDIO AMPLIFIER STAGE WITH AZAD2102 U163 U164 2 1 General Description Programmable channel Filter bandwidth Fully I2C bus controlled For Hybrid TV applications ...

Page 21: ...al applications doesn t need to add extra ESD protection device like Varistors in application system for AZAD2102B s I O 2 2 Features CMOS Technology High Efficiency 85 High PSRR 70dB at 217Hz Differential OP amp Input AZAD2102B provides Vibration Spectrum Modulation clock for reduce EMI Provide Mute function set Mute_B to GND will go into Mute status For the input stage AZAD2102B built in a 10Koh...

Page 22: ...22 LC 22LE240 2 3 Absolute Ratings 2 3 1 Electrical Characteristics ...

Page 23: ...23 LC 22LE240 2 3 2 Operating Specifications 2 4 Pinning 3 AUDIO AMPLIFIER STAGE WITH TPA3113 U168 ...

Page 24: ...or shorts exist on the inputs The TPA3113D2 can drive stereo speakers as low as 4 Ω The high efficiency of the TPA3113D2 87 eliminates the need for an external heat sink when playing music The outputs are also fully protected against shorts to GND VCC and output to output The short circuit protection and thermal protection includes an auto recovery feature 3 2 Features 6 W ch into an 8 Ω Loads at ...

Page 25: ...25 LC 22LE240 3 3 2 Operating Specifications 3 4 Pinning ...

Page 26: ... ëÊô íÊíô îòëÊô ïôèÊ ïôîÊ º ºº º ò İ µ ò F305 1k F307 1k 1k F308 100nF 16V C1221 12V_VCC 12V_VCC STBY 12V_STBY 12V_VCC 16V 100nF C1222 3V3_VCC 3V3_STBY S8 S7 VDD_AUDIO_PWR VDD_AUDIO_PWR 12V_STBY 12V_VCC STBY S10 S19 S21 S22 CN706 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 10k R1685 1 2 3V3_VCC DIMMING BACKLIGHT_ON OFF 5V_STBY 5V_VCC STBY_ON OFF 16V 100nF C1022 1k F306 6V3 10uF C1081 F272 6...

Page 27: ...5 6 7 8 SS EN COMP FB GND SW IN BS S1 DC DC DC DC ADAPTER SOCKET W_ADAPTER NC INVERTER SOCKET W ADAPTER DC DC DC DC LDO 12V_STBY 12V_VCC 1V2_VCC 5V_STBY 5V_VCC 3V3_STBY 3V3_VCC 0R DC DC2 DC DC4 LDO1 2V5_VCC 1V8_VCC SW1 AP211H LDO DC DC4 SW2 SW3 DC DC2 COMMON W ADAPTOR W IPS16 17 60 PW25 PW06 DC DC1 W ADAPTOR DC DC3 POWER BLOCK DIAGRAM LDO1 LDO2 3V SW1 DC DC1 DC DC3 SW2 SW3 NC 2A 30068939 4A NC 3N3...

Page 28: ...OVER VOLTAGE PROTECTION 60R F6 1 2 F7 60R 1 2 5V_VCC 60R F9 1 2 12V_VCC 60R F10 1 2 12V_VCC 60R F11 1 2 F12 60R 1 2 3V3_VCC 12V_STBY R1972 10k 1 2 100k R1769 15uH L123 1 2 L116 10uH 12V_STBY 12V_INV 2VDC 3 2 1 3 4 5 6 2 6V3 22uF C1086 TP243 1 TP231 1 TP241 1 2VDC 2 2 5V_VCC TP244 1 TP238 1 C1087 22uF 6V3 C1217 10nF 50V 100R R1979 1 2 3 4 5 6 7 8 R4 R1 R3 R2 22k R1736 C1094 22uF 6V3 R1770 150k 16V ...

Page 29: ...29 LC 22LE240 4 1 Power Management MB62 Power Management with Adaptor MB62 Power Management with PW25 PW26 ...

Page 30: ...30 LC 22LE240 MB62 Power Management with IPS16 IPS17 IPS60 PW05 MB62 Power Management with PW03 PW04 PW07 ...

Page 31: ...o and audio are integrated including full SCART support with CVBS output The equipped MStar MACE 5 color engine is the latest masterpiece from MStar famous color engine series providing excellent video and picture quality in Full HD and large scale displaying system To meet the increasingly popular energy legislative requirements without the use of additional hardware the MSD9WB9PT 2 has an ultra ...

Page 32: ...and SCTE Multi Standard TV Sound Processor SIF audio decoding Supports BTSC A2 EIA J demodulation Supports NICAM FM AM demodulation Supports MTS Mode Mono Stereo SAP in BTSC EIA J mode Supports Mono Stereo Dual in A2 NICAM mode Built in audio sampling rate conversion SRC Audio processing for loudspeaker channel including volume balance mute tone EQ virtual stereo surround and treble bass controls ...

Page 33: ...ut 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 Supports PC RGB input up to SXGA 75Hz Supports HDTV RGB YPbPr YCbCr Supports Composite Sync and SOG Sync on Green Automatic color calibration AV link support Analogue RGB Auto Configuration Detection Auto input signal...

Page 34: ... 6 8 bit output Spread spectrum output for EMI suppression CVBS Video Encoder Supports all NTSC PAL TV Standard Stand alone scaling engine Programmable Hue Contract Brightness Supports TTX CC WSS output CVBS Video Output Allows CVBS output of all source inputs 2D Graphics Engine Hardware Graphics Engine for responsive Interactive applications Supports point draw line draw rectangle draw fill text ...

Page 35: ...dule is inserted it means CI detect is low This circuit is opened or closed by CI_POWER_CTRL port of main uController 10k R1562 R1567 10k R1568 10k R1571 220R 1 2 LED2 R1563 10k BC848B Q170 1 2 3 Q171 BC848B 1 2 3 LED1 50V C949 27pF 1 2 F259 600R 1 2 IR_IN 220R R1569 1 2 Q174 BC858B 1 2 3 BC858B Q173 1 2 3 220R R1570 1 2 220R R1572 1 2 5V_STBY CN703 1 2 3 4 5 TP53 1 TP54 1 TP55 1 TP56 1 TP57 1 B3 ...

Page 36: ...IO11 GPIO10 GPIO143 GPIO141 SPDIFI GPIO139 GPIO137 LVA4M LVA4P LVA3M LVA3P LVACKM LVACKP LVA2M LVA2P GND1 GND0 USB1_DM USB1_DP USB0_DM USB0_DP HWRESET XOUT XIN IRIN DDCR_DA DDCR_CK DDCA_DA UART0_TX DDCA_CK UART0_RX GPIO14 SDO 4 F248 600R 1 2 47R R793 1 2 10nF C1215 16V KEYBOARD_ONBOARD STBY_ON OFF_NOT 4 3 2 4k7 R1617 1 2 3V3_STBY MECH_SWITCH 3V3_VCC PN DO SC SC R1198 4k7 150R U145 AZ099 04S 2 4 5 ...

Page 37: ...vey row column and bank address information in a RAS CAS multiplexing style For example 1Gb x8 device receive 14 10 3 addressing The 1Gb DDR2 device operates with a single 1 8V 0 1V power supply and 1 8V 0 1V VDDQ The 1Gb DDR2 device is available in 60ball FBGA x8 and 84ball FBGA x16 Features JEDEC standard VDD 1 8V 0 1V Power Supply VDDQ 1 8V 0 1V 533MHz fCK for 1066Mb sec pin 8 Banks Posted CAS ...

Page 38: ...38 LC 22LE240 Pinning 8 3 Pinning ...

Page 39: ... Supply Switch Circuit This switch is used to open and close panel supply of TCON It is controlled by port of main ucontroller Also with this circit panel sequency could be adjusted correctly 3 panel supplys are connected to this circuit All of them are optional according to panels ...

Page 40: ... a serial data output SO SPI access to the device is enabled by CS input The MX25L1005 provide sequential read operation on whole chip After program erase command is issued auto program erase algorithms which program erase and verify the specified page or sector block locations will be executed Program command is executed on page 256 bytes basis and erase command is executes on chip or sector 4K b...

Page 41: ...e 0 and Mode 3 1 048 576 x 1 bit structure 32 Equal Sectors with 4K byte each Any Sector can be erased individually 2 Equal Blocks with 64K byte each Any Block can be erased individually Single Power Supply Operation 2 7 to 3 6 volt for read erase and program operations Latch up protected to 100mA from 1V to Vcc 1V Low Vcc write inhibit is from 1 5V to 2 5V 10 3 Absolute Maximum Ratings RATING VAL...

Page 42: ... other densities without changing the footprint To extend the lifetime of NAND flash devices it is strongly recommended to implement an error correction code ECC The use of ECC correction allows to achieve up to 100 000 program erase cycles for each block A write protect pin is available to give a hardware protection against program and erase operations 11 2 Features High density NAND flash memori...

Page 43: ...mber 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 RoHS compliant packages Development tools o Error correction code models o Bad blocks management and wear leveling algorithms 11 3 Pinning ...

Page 44: ...sure output voltage accuracy to within 1 The LM1117 series is available in SOT 223 TO 220 and TO 252 D PAK packages A minimum of 10μF tantalum capacitor is required at the output to improve the transient response and stability 12 2 Features Available in 1 8V 2 5V 2 85V 3 3V 5V and Adjustable Versions Space Saving SOT 223 Package Current Limiting and Thermal Protection Output Current 800mA Line Reg...

Page 45: ... Features 2 7 6V Input Operation Range Output Adjustable from 0 8V to VIN 1μA Max Shutdown Current Up to 95 Efficiency 100 Duty Cycle for Low Dropout Applications 1 2MHz Fixed Switching Frequency Stable with Low ESR Output Ceramic Capacitors Thermal Shutdown Cycle by Cycle Over Current Protection Short Circuit Protection Available in 6 pin 3x3mm QFN 13 3 Pinning Pin Name Description 1 FB Feedback ...

Page 46: ...some cases an additional capacitor from COMP to GND is required 7 EN Enable Input Pin Logic high enables the converter a logic low forces the RT8253A into shutdown mode Attach this pin to VIN with a 100kΩ pull up resistor for automatic startup 8 SS Soft Start Control Input SS controls the soft start period Connect a capacitor from SS to GND to set the soft start period A 0 1μF capacitor sets the s...

Page 47: ...wn Mode Fixed 385KHz Frequency Thermal Shutdown Cycle by Cycle Over Current Protection Wide 4 75V to 23V Operating Input Range Output Adjustable from 1 22V to 21V Under Voltage Lockout 15 3 Pinning Pin No Pin Name Description 1 BOOT High Side Gate Drive Bootstrap Input BS supplies the drive for the high side N Channel MOSFET switch 2 IN Power Input Drive IN with a 4 75V to 23V power source 3 SW Po...

Page 48: ...pation in a very small footprint for applications where the larger packages are impractical 16 2 Features Max rDS on 65 mΩ at VGS 4 5 V ID 4 0 A Max rDS on 100 mΩ at VGS 2 5 V ID 3 2 A Fast switching speed Low gate charge 11nC typical High performance trench technology for extremely low rDS on SuperSOTTM 6 package small footprint 72 smaller than standard SO 8 low profile 1 mm thick Termination is ...

Page 49: ...erTrench process It has been optimized for battery power management applications 17 2 Features 5 5 A 20 V RDS ON 33 mΩ VGS 4 5 V RDS ON 43 mΩ VGS 2 5 V RDS ON 60 mΩ VGS 1 8 V Fast switching speed High performance trench technology for extremely low RDS ON S 17 3 Pinning 18 CONNECTORS 18 1 SCART SC1 18 2 HDMI CN707 CN708 ...

Page 50: ...50 LC 22LE240 18 2 HDMI CN707 CN708 18 3 VGA CN711 ...

Page 51: ...er 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 In order to reach service menu first press MENU then press the remote control code two times which is 4725 In first screen following item can be seen ...

Page 52: ...52 LC 22LE240 19 1 Video Settings 19 1 Video Setting 19 2 Audio Settings 19 2 Audio Settings ...

Page 53: ...53 LC 22LE240 19 3 Options 19 3 Options Options 1 Options 1 Options 2 Options 2 ...

Page 54: ...54 LC 22LE240 19 4 Tuning Settings 19 5 Source Settings 19 4 Tuning Settings 19 5 Source Settings ...

Page 55: ...55 LC 22LE240 19 6 USB Operations USB operations option can not be used directly It can be used for updating panel tool hw configuration etc ...

Page 56: ...on screen comes it means software update procedure is succesful 19 7 USB Operations USB operations option can not be used directly It can be used for updating panel tool hw congiguration etc 1 MB62 en bin mboot bin and usb_auto_update_mb62 txt documents should copy directly inside of flash memory not in a folder 2 Put flash memory to the TV when TV is powered off 3 Power on the TV by main switch a...

Page 57: ...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 Dimming pin should be high or square wave in open position If it is low please check S16 for Mstar side and panel or power cables connectors Backlight power supply should be in panel specs Please check CN705 for MB62 related connectors for power supply cards ...

Page 58: ...s Supply suply control pin detect pins mechanical positions of pins CI supply shoul be 5V when CI module inserted If it is not 5V please check CI_POWER_CTRL this pin should be low Possible causes Supply supply control pin detect pins mechanical positions of pins CI supply should be 5V when CI module inserted If it not 5V please check CI_POWER_CTRL this pin should be low ...

Page 59: ...tect ports should be low If it is not low please check CI connector pins CI module pins and 3V3_VCC on MB62 Please check mechanical positions of CI module Detect ports should be low If it is not low please check CI connector pins CI module pins and 3V3_VCC on MB62 ...

Page 60: ...ct 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 the TV set and control voltage points with a multimeter to find the shorted voltage to ground 21 4 IR Problem Problem LED or IR not working Check LED card supply on MB62 chasis ...

Page 61: ...22LE240 21 4 IR Problem Problem LED or IR not working Check LED card supply on MB62 chasis 21 5 Keypad Touchpad Problems Problem Keypad or Touchpad is not working Check keypad supply and KEYBOARD pin on MB62 ...

Page 62: ...m Keypad or Touchpad is not working Check keypad supply and KEYBOARD pin on MB62 21 6 USB Problems Problem USB is not working or no USB Detection Check USB Supply It should be nearly 5V 21 7 No Sound Problem Problem No audio at main TV speaker outputs ...

Page 63: ...headphone is connected speakers are automatically muted Measure voltage at HP_DETECT pin it should be 3 3v 21 8 No Sound Problem at Headphone Problem No audio at headphone output Check HP detect pin when headphone is Check 5V_VCC and 3V3_VCC with a voltage meter 21 9 Standby On Off Problem Problem Device cannot boot TV hangs in standby mode Check HP detect pin when headphone is connected Check 5V_...

Page 64: ...ems Problem DVD is not working Check that DVD source is selected in Service menu Check supply voltage of DVD namely 12V_VCC 21 10 No Signal Problem Problem No signal in TV mode Check tuner supply voltage 3V3_TUN Check tuner options are correctly set in Service menu Check AGC voltage at IF_AGC pin of tuner There may be a problem about power supply Check 12V_VCC 5V_VCC and 3V3_VCC with a voltage met...

Page 65: ..._1_N 17 S TBY_ON_OFF 17 3V3_VCC 17 GND 18 GND 18 3V3_VCC 18 TX_A_0_P 19 GND 19 GND 19 TX_A_0_N 20 GND 20 GND 20 TX_B_3_P 21 TX_B_3_N 22 TX_B_CLK_P 23 TX_B_CLK_N 24 GND 25 TX_B_2_P 26 TX_B_2_N 27 TX_B_1_P 28 TX_B_1_N 29 TX_B_0_P 30 TX_B_0_N C N710 1 C N703 2 1 GND 3 2 LE D 2 4 3 LE D 1 5 4 IR _IN 6 5 5V_S TBY 1 GND 2 LE D 2 3 LE D 1 4 IR _IN 5 5V_S TBY PANE L INVE R TE R BOAR D MODE L MAIN BOAR D P...

Page 66: ... 2p2F C63 2p2F 50V 33pF C35 50V 50V 1nF C19 10k R4 L1 4n7H IF_AGC_TUNER 47R R1583 1 2 3 4 5 6 7 8 R4 R1 R3 R2 TS_MDI3 TS_MDI2 TS_MDI1 TS_MDI4 TS_MDI5 TS_MDI6 TS_MDI7 3V3_S2_VDDA 10pF C8 10pF C9 S2_IN C30 16V 10nF 10nF C31 16V C32 10nF 16V S2_QN 10pF C10 C11 10pF S2_QP 3V3_S2_VDDD 10V C38 100nF 1V25_S2_VDDI 1V25_S2_VDDI 3V3_S2_VDDA 10V C36 100nF 100nF C37 10V SDA_S2_TUN SCL_S2_TUN R13 4k7 1 2 4k7 R...

Page 67: ...nF C5V6 D171 3n3F C856 50V F202 600R 1 2 CDA4C16GTH D2 1 2 3 4 5 6 7 8 4n7F 50V C858 SC_AUD_R_OUT D1 CDA4C16GTH 1 2 3 4 5 6 7 8 C853 50V 3n3F C835 50V 220pF 1 2 C833 50V 220pF 1 2 3n3F C854 50V SC_AUD_R_IN 600R F206 1 2 C831 220pF 50V 1 2 100R R1245 1 2 F201 600R 1 2 SCART_AUD_R_IN SCART_AUD_L_IN RX SCL_SC TX SDA_SC C836 220pF 50V 1 2 75R R1482 1 2 SC_CVBS_OUT C832 50V 220pF 1 2 R1182 4k7 1 2 SC_P...

Page 68: ... R1953 4k7 3V3_VCC CI_POWER_CTRL 50V C969 12pF C687 10V 220nF R1496 4k7 3V3_VCC R1660 4k7 1 2 33R R1942 6V3 22uF C970 BACKLIGHT_ON OFF R344 1k2 33k R1605 R1604 33k R1607 18k 18k R1606 HDMI1_5V HDMI0_5V BC848B Q181 1 2 3 R1661 4k7 1 2 R1662 1k2 3V3_VCC S81 U162 NAND512 A 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 ...

Page 69: ...R C1184 50V 4n7F 220k R1898 DSP_MAIN_R DSP_MAIN_L MAIN_L MAIN_R R1904 10k R1919 12k 470pF C1190 50V 10k R1903 R1918 12k SC_AUD_L_IN 10k R1901 12k R1920 470pF C1188 50V SAV_L_IN C1189 50V 470pF SC_AUD_R_IN 470pF 50V C1187 SAV_R_IN R1921 12k 10k R1902 SCART_AUDIO_IN_R SCART_AUDIO_IN_L SAV_AUDIO_IN_L SAV_AUDIO_IN_R 22k R1925 1 2 R1924 22k 1 2 SC_R_OUT SC_L_OUT 50V 100pF C1186 DSP_SCART_L DSP_SCART_R ...

Page 70: ...C1032 16V HP_R D203 C5V6 Q210 2N7002 1uF 25V C1074 6V3 C1078 1uF AMP_EN C1172 16V 10nF F296 60R R623 4k7 VDD_AUDIO R1855 10k 1 2 R817 100R BC848B Q133 1 2 3 100R R818 VDD_AUDIO 10V 220nF C602 L_AUDIO_P_OUT L_AUDIO_N_OUT MAIN_L 4k7 R624 C665 100nF 10V 1 2 10V 220nF C608 AMP_EN VDD_AUDIO 3V3_VCC 10k R1309 10k R616 3V3_STBY L_AUDIO_N L_AUDIO_P R_AUDIO_N PT2333 U164 C3 C2 C1 B3 B2 B1 A3 A2 A1 INP GNDA...

Page 71: ...IN45 R65 33k OP_PIN27 BACKLIGHT_ON OFF PANEL_VCC R54 10k 1 2 33k R66 CI_POWER_CTRL R1671 4k7 1 2 4k7 R1672 1 2 R1952 4k7 1 2 LED1 LED2 3V3_STBY 3V3_STBY OP_PIN11 PANEL_VCC 10k R55 1 2 R67 33k MEGA_DCR_IN OP_PIN8 S2 MEGA_DCR_OUT PANEL_VCC 33k R72 R56 10k 1 2 OP_PIN9 OP_PIN10 PANEL_VCC 10k R57 1 2 33k R68 33k R69 OP_PIN7 PANEL_VCC 10k R58 1 2 R70 33k OP_PIN6 PANEL_VCC R59 10k 1 2 33k R71 OP_PIN5 PAN...

Page 72: ... A3 PROJECT NAME VESTEL SCH NAME DRAWN BY T SHT VDDC_1V2 C68 50V 15nF 15k R43 C12 220nF 25V D7 1N4001 LNB_OUT C70 470nF 25V 3V3_VCC R19 10k F295 1k SK24 D8 C13 220nF 25V 16V C997 100nF SDA_SYS SCL_SYS 3V3_VCC 100nF 16V C1005 C14 25V 220nF C1070 16V 100nF C1004 16V 100nF LNBH23L U6 27 4 19 18 6 9 14 29 30 22 13 21 11 12 1 2 3 7 8 16 17 23 24 25 26 31 32 10 15 28 5 20 A_GND P_GND I_SEL BYP ADDR NC_1...

Page 73: ...39k R1686 1V2_VCC 10nF C1113 16V 1 2 5n6F C1131 50V 1 2 60R F273 1 2 R1710 3k9 1 2 R1720 100R 1 2 33k R1731 1 2 C1048 220nF 25V 1 2 47R R1723 1 2 12V_STBY Q183 BC848B 1 2 3 3V3_STBY 22k R1735 R1730 10k 5V_STBY MOSFET_CONTROL 3V3_VCC L118 15uH 1 2 1k R1768 C1084 16V 22uF R1737 33k C1035 100nF 10V 1 2 C1080 6V3 100uF 1 2 R1709 3k9 1 2 5n6F 50V C1130 1 2 16V 10nF C1112 1 2 D197 SS33 1 2 MP1583 U174 5...

Page 74: ...74 LC 22LE240 POWER SUPPLY Diagram 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 I H G F E D C B A ...

Page 75: ...75 LC 22LE240 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 I H G F E D C B A Led Converter Diagram ...

Page 76: ...76 LC 22LE240 24 PRINTED WIRING BOARD 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 I H G F E D C B A ...

Page 77: ...G Q191 30001457 TR NBJT BC848B 0 1A 30V SOT23 ROHS G Q192 30010733 TR NMOS 2N7002 0 115A 60V SOT23 ROHS G Q193 30001458 TR BC858B SMD G Q194 30001457 TR NBJT BC848B 0 1A 30V SOT23 ROHS G Q195 30001458 TR BC858B SMD G Q197 30071823 TR PMOS uPA1917 4 7A 20V SSOT6 ROHS G Q199 30018060 TR PMOS FDC642P 4A 20V SSOT6 ROHS G Q200 30018060 TR PMOS FDC642P 4A 20V SSOT6 ROHS G Q202 30001457 TR NBJT BC848B 0 ...

Page 78: ...0558 CAP SMD 100NF 16V K X5R 0402 ROHS G C1008 30050558 CAP SMD 100NF 16V K X5R 0402 ROHS G TUNER CAPACITORS REF No PARTS DESCRIPTION PRICE CODE C1009 30050558 CAP SMD 100NF 16V K X5R 0402 ROHS G C1014 30050558 CAP SMD 100NF 16V K X5R 0402 ROHS G C1015 30030097 CAP SMD 100NF 10V K X5R 0402 RoHS G C1016 30044848 CAP SMD 100NF 16V K X7R 0402 ROHS G C1022 30050558 CAP SMD 100NF 16V K X5R 0402 ROHS G ...

Page 79: ...00NF 10V K X5R 0402 RoHS G C656 30030097 CAP SMD 100NF 10V K X5R 0402 RoHS G C657 30030097 CAP SMD 100NF 10V K X5R 0402 RoHS G REF No PARTS DESCRIPTION PRICE CODE C658 30030097 CAP SMD 100NF 10V K X5R 0402 RoHS G C663 30030097 CAP SMD 100NF 10V K X5R 0402 RoHS G C664 30030097 CAP SMD 100NF 10V K X5R 0402 RoHS G C665 30030097 CAP SMD 100NF 10V K X5R 0402 RoHS G C666 30030097 CAP SMD 100NF 10V K X5R...

Page 80: ... G R1183 30021987 RES SMD 1 16W 4 7K J 0402 RoHS G RESISTORS REF No PARTS DESCRIPTION PRICE CODE R1187 30022140 RES SMD 1 16W 22K F 0402 RoHS G R1198 30021987 RES SMD 1 16W 4 7K J 0402 RoHS G R12 30022041 RES SMD 1 16W 1K F 0402 ROHS G R1206 30022051 RES SMD 1 16W 2 7K J 0402 ROHS G R1209 30022051 RES SMD 1 16W 2 7K J 0402 ROHS G R1221 30022041 RES SMD 1 16W 1K F 0402 ROHS G R1233 30022118 RES SMD...

Page 81: ...8P 0402 ROHS G R1613 30041373 RES NET 1 16W 22R J 8P 0402 ROHS G R1614 30021987 RES SMD 1 16W 4 7K J 0402 RoHS G REF No PARTS DESCRIPTION PRICE CODE R1615 30021987 RES SMD 1 16W 4 7K J 0402 RoHS G R1617 30021987 RES SMD 1 16W 4 7K J 0402 RoHS G R1618 30021987 RES SMD 1 16W 4 7K J 0402 RoHS G R1619 30022118 RES SMD 1 16W 75R J 0402 RoHS G R1620 30022118 RES SMD 1 16W 75R J 0402 RoHS G R1621 3002211...

Page 82: ...2 ROHS G R1916 30022055 RES SMD 1 16W 220K J 0402 ROHS G R1918 30022024 RES SMD 1 16W 12K J 0402 ROHS G REF No PARTS DESCRIPTION PRICE CODE R1919 30022024 RES SMD 1 16W 12K J 0402 ROHS G R1920 30022024 RES SMD 1 16W 12K J 0402 ROHS G R1921 30022024 RES SMD 1 16W 12K J 0402 ROHS G R1924 30022057 RES SMD 1 16W 22K J 0402 RoHS G R1925 30022057 RES SMD 1 16W 22K J 0402 RoHS G R1926 30022116 RES SMD 1 ...

Page 83: ...3BR0665J 65KHz DIP8 ROHS G MISCELLANEOUS PARTS 17PW80 LC 22LE240E EV RU POWER SUPPLY INTEGRATED CIRCUITS REF No PARTS DESCRIPTION PRICE CODE IC701 30015087 IC SAFE OPTOCOUPLER TCET1102G G IC702 30067808 IC PWM CONT NCP1579 SO8 ROHS G IC703 30066849 TR DNMOS FDS8984 7A 30V SO8 RoHS G Q702 30001457 TR NBJT BC848B 0 1A 30V SOT23 ROHS G Q705 30001457 TR NBJT BC848B 0 1A 30V SOT23 ROHS G Q706 30001457 ...

Page 84: ...G R706 30046429 RESSMD1 4W2MF1206ROHS G R707 30046429 RESSMD1 4W2MF1206ROHS G R708 30039196 RESSMD1 4W1MF1206ROHS G R709 30046429 RESSMD1 4W2MF1206ROHS G R716 30039196 RESSMD1 4W1MF1206ROHS G RESISTORS REF No PARTS DESCRIPTION PRICE CODE R717 30039196 RESSMD1 4W1MF1206ROHS G R725 30007030 RESSMD1 4W1RJ 1206 ROHS G R727 30060652 RESSMD1 4W100KJ 1206 RoHS G R728 30060652 RESSMD1 4W100KJ 1206 RoHS G ...

Page 85: ...ADEVRETELI0 6MM G J706 30002583 KISADEVRETELI0 6MM G J707 30002583 KISADEVRETELI0 6MM G J708 30002583 KISADEVRETELI0 6MM G J709 30002583 KISADEVRETELI0 6MM G J710 30001735 RESSMD1 8W0R1206ROHS G J711 30001735 RESSMD1 8W0R1206ROHS G J712 30002583 KISADEVRETELI0 6MM G J713 30002583 KISADEVRETELI0 6MM G J714 30002583 KISADEVRETELI0 6MM G J715 30002583 KISADEVRETELI0 6MM G J716 30002583 KISADEVRETELI0...

Page 86: ...MD ASY 17LD98 7 19942 MB25 SHA RED GR LENS COSMETIC 22942 LED PC I V0 SPK AS 22942 LED R L MB60 6P BL SHA BC 22942L DV 60 G R WO D KL PCA I SH ROC SW AS MB60_22942_SHARP 20564620 FRONT 22942 LED SHARP S V0 FR_22LED_WO DVD_MB60_PW80_CON07_LG_ SDA1 45010864 20596550 FOOT ASSY 19942 GL BLK_SHARP 30072972 TFT 22FHD50HZ ELED LG LC215EUE TEA1 CN ...

Page 87: ... SHA Speakers G 40047983 BRACKET IO MB60S M2 VER5 I ABSV0 SHA G 23036094 CN A FFC 30P 300 P 1MM LVDS 22 62 2LGTA1360 LVDS FFC cable G 30070373 CABLE FFC 6P 500 0 5mm UL20861 ROHS Panel converter Cable G 23003481 ARTWORK SHARP LC 22LE240E I B and Accesories G 23006167 ARTWORK SHARP LC 22LE240RU I B and Accesories G 23006160 ARTWORK SHARP LC 22LE240EV I B and Accesories G 20601206 R C 1910 SHARP 191...

Page 88: ...en permission of the publisher SHARP CORPORATION AV System Group SHARP ELECTRONICA ESPAÑA S A Service Manual Group Engineering Dept WTC Almeda Park Pl de la Pau s n Ed 6 PB 08940 Cornella de Llobregat Barcelona Spain 125mm 100mm 80mm 63mm 50mm 40mm 31 5mm 25mm 20mm COPYRIGHT 2011 BY SHARP CORPORATION ALL RIGHTS RESERVED Technical information and Production Vestel Electronik AS Technical informatio...

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