SERVICE MANUAL LS07 chassis CONTENTS Chapter One Specification , feature and the Constitution ……….………………………………………………….2 Chapter Two Function introduction about the main integrated circuit ……………….……….…….…….….…..5 Chapter Three Signal Processing Flow chart ….……………..15 Chapter Four Typical troubleshooting flowchart and example…21 Chapter Five Sspare part lists and easy damage part list…….25 Chapter Six The Parameter adjustment of factory repairment...
Specification , feature and the Constitution One The Technical Specification of F Series LCD TV: The F series LCD TV which adopts LS07 chassis include 5 types of Product: 1 CHD-TM150F7: Max display format:1024*768(XGA), Audio power output:2*2.0W, voltage:DC12V, Power adapter voltage :AC 110 240W,50/60HZ,power adapter Model number:CHA-1204.
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SERVICE MANUAL LS07 chassis 50/60HZ 1080P 50/60HZ 5 VGA input As the Terminal display Equipments of computer, it can connect with computer conveniently. it can connect with Computer audio card by its own Audio connection line ,so you can listen the audio information from computer. 6 Program lock and child lock function The function of program lock can lock the programs input password and Modification, the function of child lock can lock the keys.
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SERVICE MANUAL LS07 chassis Brightness edge correct: increase the steep of Brightness signal edge, make the edge of picture is more clearly. 18.Five degree Intelligence “The gold ratio” in many kinds of the Combination from Brightness contrast color defintion Sound area, it can calculate the golden Audio-Video Combination effect. 19.Super fine and inner fairness LCD 20.digital comb filter 21.Headphones input...
SERVICE MANUAL LS07 chassis The Constitute of the PCB is easier than LP03 chassis, all the Signal Processing are in Main board. 1 Main board Module Main board Module is the main part of Signal Processing in LCD TV. The input signal is Converted into uniform digital signal which can be Identified by LCM by system control circuit.
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SERVICE MANUAL LS07 chassis NTMS10P02 MOS switch LM2596-5.0 Liner voltage IC 24LC21A (save display parameter information) EEPROM 24LC32A EEPROM save user control information U6 U20 PI5V330A Video switch Two The function introduction of main IC 1. MST518 high integration chip MST518 is a high performance high integration image processor which is designed for LCD, it can support SXGA format(1280*1024).it integrates a group of AD converter high quality format transform system OSD generator output...
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SERVICE MANUAL LS07 chassis HSYNC1 Analog Horizontal sync signal input channel 1 VSYNC1 Analog vertical sync signal input channel 1 RMID Scaler internal reference. voltage REFP internal ADC decouple REFM internal ADC decouple RIN0 Analog red signal input channel 0 RIN0M Analog red signal input channel 0 re.grounding voltage...
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SERVICE MANUAL LS07 chassis 4,3,154,153,150-147 BB[7:0] TTL blue signal channel GPIO Interface GOUT1/PWM1 PWM output 1 GOUT0/PWM0 PWM output 0 BYPASS Outside connect filter capacitor DDC_DAT Analog interface DDC data DDC_CLK Analog interface DDC clock DDCROM_CLK DDC ROM clock DDCROM_DAT DDC ROM data Crystal oscillator signal input XOUT...
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SERVICE MANUAL LS07 chassis Picture quality enhancement of dynamic peak value control skin color correct Gamma correct Black level extension,etc Can turn down horizon and vertical scan part output H/V sync. signal to Scaler 128K Flash Memory inside, support program on line Automatic Y/C signal identify TDA15063H pin function: Pin name...
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SERVICE MANUAL LS07 chassis AUDIOIN5R Av right track signal input AUDOUTSL SCART/CINCH left track output AUDOUTSR SCART/CINCH right track output DECSDEM Track demodulator decouple QSSO Deemphasis capacitor GND2 grounding PLLIF IF_PLL filter SIFAGC Sound intermediate frequency auto gain control IFVO IF demodulation video output FMRO Fm broadcast output...
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SERVICE MANUAL LS07 chassis VOUT V signal output INSSW3 RGB/YpbPr insert identify signal input R/PrIN3 R/Pr signal input G/YIN3 G/Y signal input B/PbIN3 B/Pb signal input GND3 grounding BCLIN beam current limiter input BLKIN Black current input R basic color signal input G basic color signal output B basic color signal output VDD3...
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SERVICE MANUAL LS07 chassis P32/ADC2 DVD key-press signal input P33/ADC3 TV key-press signal input VSSC grounding P24/PWM3 Background control signal output P25/PWM4 SAW filter control signal VDDC3 +1.8V VSSC3 grounding P12/INT2 MST interrupt signal input P14/RX MST data line P15/TX MST clock line TDA15063H inside block diagram 2 TDA9178 introduction...
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SERVICE MANUAL LS07 chassis Self-suitable black level extend control Skin color correction, green intensity ,blue extend Noise measurement and reduced noise process founction Line Width Control (LWC) TDA9178 PIN DESCRIPTION: Pin name Function sandcastle input sandcastle input Grounding not connected A/D convertor input 1 ADC input 1 ADC input 2...
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SERVICE MANUAL LS07 chassis 3 TDA1517AWT brief: The TDA1517ATW is an double channel class-AB power amplifier contained in a plastic heat sink thin shrink small outline package (HTSSOP20). The device is primarily developed for multimedia applications. Outside circuit is simple Mute standby is controllable Temperature protect circuit Low noise switch...
SERVICE MANUAL LS07 chassis 1 2 4 6 7 ground 10 11 14 19 20 TDA1517 inside block diagram: Chapter three Signal Processing Flowchart...
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SERVICE MANUAL LS07 chassis This chapter mainly introduces analog signals process video intensify process TV system control process TV supply system of the Europe LCD TV. One Analog signals process 1. IF/RF process Completed by TAF-C21P1 RF tuner, output IF signal. The Function of RF tuner is below: symbol function...
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SERVICE MANUAL LS07 chassis Three TV power supply system: 1. The supply power system of the main IC is below: 12V:the unit main power supply +34V:RF tuner tune voltage VCC5: stable and constant +5V power supply VCC5A: +5V power supply software can turn off V3_3D:UOC digital part supply power supply V1_8V1:UOC digital part constant supply power supply V1_8V2:UOC digital part power supply can be turned off...
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SERVICE MANUAL LS07 chassis 4. The main element in mainboard and location of socket and definition...
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SERVICE MANUAL LS07 chassis Socket definition number name Connect object Function description Connect socket +12V, +12V, GNG, GND(use when inside power supply plank JP2 not use ) Connect adapter +12V, GND, GND use when outside connect adapter JP1not use Connect outside VGA audio input Connect outside VGA input Connect outside HD-YpbPr...
SERVICE MANUAL LS07 chassis element name Function description RF tuner TAF5-C21P1RW RF input, IF output UOC(TDA15063H) Video decode and MCU control MST518 AD converter and format transition PI5V330A Video switch on/off PI5V330A Video switch on/off IRF7316 MOS switch LM2596-5.0 Linear voltage IC LM2596-5.0 Linear voltage IC NTMS10P02...
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SERVICE MANUAL LS07 chassis No answer,no key press,no remote control Is outside adapter(or inside) output 12V normal? The connection of Main board and key Mend or change press ,remote plane is adapter reliable or not? Reset the connect Is U13Ў ў U22 output lines port voltage normal? Check each supply power pins...
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SERVICE MANUAL LS07 chassis White screen: the reason of the troubleshoot is the signal electrode electrode haven’t working voltage. The TFT is always in transparent condition, so the whole screen is in white raster. VLCD of screen socketJ16(J17Ў ў J22) in main board is normal or not? Check Q25Ў...
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SERVICE MANUAL LS07 chassis 2 The example of service Example 1 Can’t turn on the TV Troubleshoot phenomenon: after connect power supply and turn on the power supply ,the “changhong “logo will not appear on screen. Press the key or use the remote control, the TV has no reflect, no display and black screen.
SERVICE MANUAL LS07 chassis resistance R23 become large. So the pixel clock inside of the MST518 can not vibrate, result in the A/D converter of MST518 internal can not work normally . so appear no picture in VGA mode and “signal beyond boundary” on TFT screen.
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SERVICE MANUAL LS07 chassis panel groupware Key-press panel groupware JUJ6.694.015 8669400150J DVD touch film JUJ6.618.004 8661800040J key-press Earphone panel groupware JUJ6.695.002 8669500020J Commutator groupware JUJ6.691.007 8669100070J DVD output panel groupware JUJ6.693.012 8669300120J Samsung LTM170W1-L01 68219601701 screen use LG screen LC171W03 68211710305 Samsung inverter...
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SERVICE MANUAL LS07 chassis DVD touch film JUJ6.618.003 8661800030J key-press Earphone panel groupware JUJ6.695.002 8669500020J Commutator groupware JUJ6.691.008 8669100080J DVD output panel groupware JUJ6.693.011 8669300110J A201SN01 68219020110 AU screen LC201V02 68212010235 LG screen AU screen inverter INV18-605D 59324106054 Lg screen inverter INV20-606A D 59324126061...
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INV20-606A D 59324126061 Dynamoelectric speaker Y38106-01-5W-4Ω 56231105043 Remote control KLC5B 8201803760L Inside power supply module FSP084-1CD02C 67128084025 CHD-TM150F7: Material name type module NO. Material code remark Face frame JUJ8.074.038 8807400380J Back cover JUJ8.074.039 8807400390J Base JUJ8.070.015 8807000150J Accessories bag JUJ6.479.046...
SERVICE MANUAL LS07 chassis Mainboard groupware JUJ6.690.032-2 8669000322J Remote control panel groupware JUJ6.694.016 8669400160J Key-press panel groupware JUJ6.694.017 8669400170J Earphone panel groupware JUJ6.695.002 8669500020J LTM150XH-L06 68219601565 inverter INV15-474 59324104740 dynamoelectric speaker Y2898-01-5W-4Ω 56231105042 Remote control KLC5B 8201803760L Adapter CHA-1204 8290800520B Chapter Six the Parameter adjustment of factory repairment mode Factory mode introduction:...
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SERVICE MANUAL LS07 chassis CHD-TD170F7: Material name type module NO. Material code scale remark Face frame JUJ8.074.036 8807400360J 0.1% Suspend screen JUJ8.640.017 8864000170J 0.1% Back cover JUJ8.074.037 8807400370J 0.1% base JUJ8.070.012 8807000120J 0.1% Accessories bag JUJ6.479.049 8647900490J 0.1% Mainboard 0.2% Samsung groupware JUJ6.690.032-5...
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SERVICE MANUAL LS07 chassis Suspend screen JUJ8.640.018 8886400180J 0.1% Back cover JUJ8.074.033-1 8807400331J 0.1% base JUJ8.070.012 8807000120J 0.1% Accessories bag JUJ6.479.040 8647900400J 0.1% Mainboard 0.2% AU screen groupware JUJ6.690.032-3 8669000323J Mainboard 0.2% Lg screen groupware JUJ6.690.032-8 8669000328J DVD drive TDR-085 59C11060850 0.2% Decode panel...
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SERVICE MANUAL LS07 chassis Dynamoelectric 0.05% speaker Y38106-01-5W-4Ω 56231105043 Remote control KLC5B 8201803760L 0.05% Inside power 0.3% supply module FSP084-1CD02C 67128084025 CHD-TM150F7: Material name type module NO. Material code Scale remark Face frame JUJ8.074.038 8807400380J 0.1% Back cover JUJ8.074.039 8807400390J 0.1% Base JUJ8.070.015...
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