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PDI-P23LCD SERVICE MANUAL

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20

7-6)Removal of LCD Module

Front cover remains after removing LCD Module

DEASSEMBLY PROCEDURE

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Содержание PDI-P23LCD

Страница 1: ...COLOR TFT LCD TV SERVICE MANUAL MODEL PDI P23LCD CAUTION BEFORE SERVICING THE TFT LCD TV READ THE SAFETY PRECAUTIONS IN THIS MANUAL PDI P23LCD SERVICE MANUAL DocumentNumber PD196 093Rev1...

Страница 2: ...al input output 11 Inspection instructions 12 Deassembly procedure 13 Wire dressing 21 Part appearance 23 Trouble Shooting 25 Schematic Diagram 27 Block Diagram 28 PCB Layout 29 Wave form 34 Adjustmen...

Страница 3: ...h exposed metallic part Any voltage measured must not exceed 0 75 volt RMS which is corresponds to 0 5mA In case any measurement is out of the limits specified there is possibility of shock hazard and...

Страница 4: ...power supply heatsink in this receiver Electrostatically Sensitive ES Devices Some semiconductor solid state devices can be damaged easily by static electricity Such components commonly are called Ele...

Страница 5: ...Channel 4 Sound output 10W 10Wrms Stereo Max 5 Antenna input impedance VHF UHF at 75ohm 6 OSD Type On Screen Display Windows type Center 7 External in output PC ANALOG INPUT PC DIGITAL INPUT PC AUDIO...

Страница 6: ...7 SECAM G X 8 SECAM D X 9 SECAM K X 10 SECAM K1 X 11 SECAM I 6 0 X 12 NTSC 3 58 4 5 O 13 NTSC 3 58 5 5 X 14 NTSC 3 58 6 0 X 15 NTSC 3 58 6 5 X 16 NTSC 3 58 4 5 5 0 X 17 NTSC 4 43 5 5 X 18 NTSC 4 43 6...

Страница 7: ...re is nothing wrong with the set b Some dot defects may appear on the screen like Red Green or Blue spots However this will have no impact or effect on the monitor performance c The resolution which i...

Страница 8: ...ture Status Memory Recalls your preferred picture setting 5 SSM Sound Status Memory Recalls your preferred sound setting 6 SAP Adjusts the MTS STEREO MONO SAP 7 MENU Displays a main menu 8 TV AV Selec...

Страница 9: ...INPUT Selecs the AV source for sub picture in PIP mode 19 PIP Displays a PIP Picture In Picture screen The PIP function is available except 480i signal in COMPONENT1 and COMPONENT2 mode 20 CH Selects...

Страница 10: ...usts the volume or menu settings 7 TV AV Selects TV VIDEO S VIDEO RADIO Only when the Radio is set on PC Analog PC Digital COMPONENT1 or COMPONENT2 mode Clears the menu from the screen 8 Remote contro...

Страница 11: ...ENT2 IN Connect the Y Pb Pr signal from DVD or Set Top Box 6 COMPONENT1 IN Connect the Y Pb Pr signal from DVD or Set Top Box 7 S VIDEO IN Connect the output of the S VIDEO Y C on the VCR to the S VID...

Страница 12: ...INSTRUCTION 1 Supplied Accessories Note Make Sure the following accessories are provided with Product 1 AC Code 2 Owner s manual 3 Mounting Brackets Hardware 4 Pillow Speaker Jumper Not included with...

Страница 13: ...procedure 1 Removal of Stand emoe 4 screws Remove 4 screws Remove 4 screws Remove 4 screws Remove 4 screws Remove 4 screws Remove 4 screws Remove 4 screws Remove 4 screws Remove 4 screws 2 Removal of...

Страница 14: ...PDI P23LCD SERVICE MANUAL PAGE 14 DEASSEMBLY PROCEDURE 3 Metal plate Rear chassis 4 Remove bracket Remove 4 screws Remove 8 screws...

Страница 15: ...PDI P23LCD SERVICE MANUAL PAGE 15 DEASSEMBLY PROCEDURE 5 Disconnect 8 plugs on Main PCB 6 Remove 12 Main SMPS PCB screws Remove 8 connector Remove 11 screws...

Страница 16: ...PDI P23LCD SERVICE MANUAL PAGE 16 DEASSEMBLY PROCEDURE 7 1 Removal of LCD module 7 2 Removal of LCD module Remove 10 screws Remove 8 screws...

Страница 17: ...PDI P23LCD SERVICE MANUAL PAGE 17 DEASSEMBLY PROCEDURE 7 3 Removal of LCD module After remove front shield...

Страница 18: ...PDI P23LCD SERVICE MANUAL PAGE 18 7 4 Removal of LCD module DEASSEMBLY PROCEDURE Remove 2 screws...

Страница 19: ...PDI P23LCD SERVICE MANUAL PAGE 19 7 5 Removal of LCD module DEASSEMBLY PROCEDURE Remove 2 screws...

Страница 20: ...PDI P23LCD SERVICE MANUAL PAGE 20 7 6 Removal of LCD Module Front cover remains after removing LCD Module DEASSEMBLY PROCEDURE...

Страница 21: ...PDI P23LCD SERVICE MANUAL PAGE 21 WIRE DRESSING 1 Wire Dressing Note Using acetate Tape...

Страница 22: ...2 WIRE DRESSING 1 Wire Dressing for speaker Key control No 1 acetate Tape 2 Wire Dressing for Left speaker Key control No 2 acetate Tape 3 Wire Dressing for Right speaker Key control No 3 acetate Tape...

Страница 23: ...PDI P23LCD SERVICE MANUAL PAGE 23 PART APPEARANCE 1 Part appearance C3875S A1504S C102S C3198 2N7000 Regulator for Tuning Voltage LC33V or LD33V LD1117 AP1501 EEPROM 24C16W 24C02W TTL LOGOC IC 74F08...

Страница 24: ...23LCD SERVICE MANUAL PAGE 24 PART APPEARANCE 1 1 Part appearance Voltage Detector KIA7027AF Voltage Detector KIA7042AF Voltage Reg KIA78L05F Voltage Reg KIA78L09F Schottky Rectifier B340 TTL LOGIC IC...

Страница 25: ...15 24V B Light Vcc P803 pin1 5V B L ON 5V Off 0V Replace LCD Panel Y N Check P303 pin26 30 12V Y Check FET Q804 pin source 24V Replace the internal SMPS power or AC power Replace Q804 Check IC805 pin...

Страница 26: ...SDA SignalLevel 3 3V Y IC01 pin69 75 ScalerCommuni cation Lines 3 3V Y Replace IC101 N Replace IC01 N IC601 pin10 VCC24V Y Check Another VCC Line N IC601 pin8 High mute Low on Y Check SW751 Swich Off...

Страница 27: ...PDI P23LCD SERVICE MANUAL PAGE 27 Schematic Diagram...

Страница 28: ......

Страница 29: ...er DVI D SUB YPbPr DVD YPbPr D TV AV IN OUT S VIDEO TUNER DVI RGB PC RGB Y Pb Pr Y Cb Cr AV IN OUT YC IF D V I R G B P C R G B ADC R G B F B A V I N O U T Y P b P r D T V A V I N O U T Y P b P R D V D...

Страница 30: ...DI P23LCD SERVICE MANUAL PAGE 29 PCB LAYOUT 1 CONTROL PCB PILLOW JACK PCB 1 1 Pillow PCB Top pattern Top silk Bottom pattern Bottom silk 1 2 Control PCB Top pattern Top silk Bottom pattern Bottom silk...

Страница 31: ...PDI P23LCD SERVICE MANUAL PAGE 30 PCB LAYOUT 2 Main PCB TOP PATTERN...

Страница 32: ...PDI P23LCD SERVICE MANUAL PAGE 31 PCB LAYOUT 3 Main PCB TOP SILK...

Страница 33: ...PDI P23LCD SERVICE MANUAL PAGE 32 PCB LAYOUT 4 Main PCB BOTTOM PATTERN...

Страница 34: ...PDI P23LCD SERVICE MANUAL PAGE 33 PCB LAYOUT 4 Main PCB BOTTOM SILK...

Страница 35: ...560 MEASURE 1V p p Input Vertical color pattern 2 Component Cb input L208 R262 MEASURE 0 7V p p Input Vertical color pattern 3 Component Cr input L209 R265 MEASURE 0 7V p p Input Vertical color patter...

Страница 36: ...ern input Audio 1Khz input at volume step 40 7 CVBS Video signal output 15 7Khz 1Vp p R279 MEASURE 8 Q105 Emitter Audio L output 9 Q104 Emitter Audio R output 10 R132 IR signal input to u computer 13...

Страница 37: ...PDI P23LCD SERVICE MANUAL PAGE 36 WAVE FORM NOTE PC INPUT 640x480 60Hz Cross hatch pattern 29 PC DSUB Hsync input R705 MEASURE 28 PC D SUB Vsync input R740 MEASURE...

Страница 38: ...ata referring to Table below with the VOL key 4 Press TV AV button to exit SVC mode 1 1 Factory outgoing setting Initialize with default data into the SVC mode Main menu Change value Sub menu Change v...

Страница 39: ...ith the SVC Mode Main screen movement Panel23 SSLTA230W1L02 Language Options NORTH AME 3EA Model M 2 Option1 System M USA Text EAST EU1 3 It presses the Menu of the remote control with the SVC Mode Ma...

Страница 40: ...008A B AG P ACKING PE 1 3 310 025E F PACKING L R E PS W HIT E 1 4 300 011W BO X CA RT O N PA PER 1 5 A CCESS O RY 1 6 499 002A T AP E O P P 70m m 3000m m M ATER IAL D ATA 2005 09 13 TH IS EN GR D H K...

Страница 41: ...PVC BLACK 1 15 AYMALT41 202 ISP PCB ASS Y 1 16 AYMALT41 203 SIDE PCB ASS Y 1 17 401 003T SIDE COVER ABS DARK GRAY 1 18 450 007B SIDE PLATE PVC BLACK 1 19 401 004K BACK COVER ABS DARK GRAY 1 20 450 00...

Страница 42: ...030 SILVER BLACK LABEL SERIAL 1 1 501 017D 23 DIBOSS 34mm STICKER LOGO 1 1 501 102L LT 23FLF NEW DIBOSS LABEL ID 1 1 502 0010 ALL MODEL LABEL BOX ID 1 1 509 011W D BOSS wing 93mm LABEL BRAND 2 1 510 0...

Страница 43: ...R214 R215 R216 2 0RHSS821DJTS RC1608J821CS Resistor chip 820 ohm R244 2 0TRKE1504STS KTA1504S Y Transistor chip A1504 Q201 2 0TRKE3875STS C3875 Transistor chip C3875 Q202 2 1DZSC5231BTS MMSZ5231BS Ze...

Страница 44: ...L807 L808 2 0LRSU220KKTR INDUCTOR 22U RAD 5MM RADIAL L102 L150 L160 L167 L168 L171 L172 L173 L175 L176 L177 L198 L199 2 0RNSS391FFTA Resistor Axial 390 ohm 1 6W 1 R48 2 1DDSKEU1Z0TA DIODE RECTIFIER F...

Страница 45: ...L22 L701 L702 L703 2 0LBSS601FJTS BEAD CHIP 600 OHM 3216 L01 L02 L03 L04 L05 L07 L08 L09 L10 L104 L11 L12 L13 2 0LHSS120EJTS INDUCTOR CHIP 12UH 2012 L200 L201 L203 L204 L212 L213 L214 L215 L216 L217 L...

Страница 46: ...TS RC1608J471CS Resistor chip 470 ohm R275 R280 R519 R844 2 0RHSS472DJTS RC1608J472CS Resistor chip 4 7K R119 R121 R122 R123 R843 R181 R182 R183 R184 R207 R246 R26 R530 R607 R612 R709 R710 R720 R819 2...

Страница 47: ...8 C249 C257 C259 2 1ICWB986532S IC SDRAM CHIP 512Kx32bitx4 SDRAM IC03 2 1ICMI49XYIC7 IC V S DECODER VCTI 49XYI C7 IC101 1 GRLT41CM001F GR 201 CMO TUNER M I 2 0TULGG083DBD TAEM G083D Tuner 2 111 A46A 2...

Страница 48: ...CD TV is intended to be a finished product Basically a display device mounted inside an enclosure which will provide the safety Requirements With the exception of LCD Panel the display device shall be...

Страница 49: ...on Auto Detection Dual High Performance Scaling Engines Video Processing Conversion On Screen OSD Controller 1 Description The MST6151 is a high performance and fully integrated graphics processing IC...

Страница 50: ...PDI P23LCD SERVICE MANUAL PAGE 49 CIRCUIT DESCRIPTIONS 2 Block Diagram...

Страница 51: ...PDI P23LCD SERVICE MANUAL PAGE 50 CIRCUIT DESCRIPTIONS 3 Pin configuration Reference line The left side The right side...

Страница 52: ...PDI P23LCD SERVICE MANUAL PAGE 51 CIRCUIT DESCRIPTIONS 3 1 Pin configuration The left side...

Страница 53: ...PDI P23LCD SERVICE MANUAL PAGE 52 CIRCUIT DESCRIPTIONS 3 2 Pin configuration The right side...

Страница 54: ...PDI P23LCD SERVICE MANUAL PAGE 53 CIRCUIT DESCRIPTIONS 4 Pin Functions MCU Interface Analog Interface...

Страница 55: ...PDI P23LCD SERVICE MANUAL PAGE 54 CIRCUIT DESCRIPTIONS DVI Interface Video Interface LVDS Interface...

Страница 56: ...PDI P23LCD SERVICE MANUAL PAGE 55 CIRCUIT DESCRIPTIONS GPO Interface DRAM Interface...

Страница 57: ...PDI P23LCD SERVICE MANUAL PAGE 56 CIRCUIT DESCRIPTIONS Misc Interface Power Pins No Connects...

Страница 58: ...nt improvement LTI CTI Non linear color space enhancement NCE Dynamic black level expander BLE Scan velocity modulation output Soft start stop of H drive Vertical angle and bow correction Average and...

Страница 59: ...PDI P23LCD SERVICE MANUAL PAGE 58 CIRCUIT DESCRIPTIONS 2 Block Diagram...

Страница 60: ...PDI P23LCD SERVICE MANUAL PAGE 59 CIRCUIT DESCRIPTIONS 3 Pin configuration Reference line The left side The right side...

Страница 61: ...PDI P23LCD SERVICE MANUAL PAGE 60 CIRCUIT DESCRIPTIONS 3 1 Pin configuration The left side...

Страница 62: ...PDI P23LCD SERVICE MANUAL PAGE 61 CIRCUIT DESCRIPTIONS 3 2 Pin configuration The right side...

Страница 63: ...2 CIRCUIT DESCRIPTIONS 4 Pin Connections and Short Descriptions NC not connected LV if not used leave vacant OBL obligatory connect as described in circuit diagram IN Input Pin OUT Output Pin SUPPLY S...

Страница 64: ...PDI P23LCD SERVICE MANUAL PAGE 63 CIRCUIT DESCRIPTIONS 4 2 Pin Port Functions...

Страница 65: ...PDI P23LCD SERVICE MANUAL PAGE 64 CIRCUIT DESCRIPTIONS 4 3 Pin Port Functions...

Страница 66: ...PDI P23LCD SERVICE MANUAL PAGE 65 CIRCUIT DESCRIPTIONS 4 4 Pin Port Functions...

Страница 67: ...PDI P23LCD SERVICE MANUAL PAGE 66 CIRCUIT DESCRIPTIONS 4 5 Pin Port Functions...

Страница 68: ...re digitize the analog RGB signal before further processing The MST9883CR is a fully integrated analog interface for digitizing high resolution RGB graphics signals from PC s and workstations With a...

Страница 69: ...PDI P23LCD SERVICE MANUAL PAGE 68 CIRCUIT DESCRIPTIONS 2 Block Diagram...

Страница 70: ...PDI P23LCD SERVICE MANUAL PAGE 69 CIRCUIT DESCRIPTIONS 3 Pin configuration...

Страница 71: ...PDI P23LCD SERVICE MANUAL PAGE 70 CIRCUIT DESCRIPTIONS 4 1 Analog Interface 4 2 Misc Interface...

Страница 72: ...PDI P23LCD SERVICE MANUAL PAGE 71 CIRCUIT DESCRIPTIONS 4 3 Output Interface 4 4 Power Pins...

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