Service Manual
Contents
1. BATTERY INSTRUCTION MANUAL AN CABLE STAND WALL HANGER SPEAKER R L 4 BLOCK DIAGRAM SANA SANA SANA SCALE Yous Feb nme Tar POWER PCB ue E m m CONIRIGHT OS I 5 A V BLOCK DESCRIPTION 51 AN BLOCK DIAGRAM DIGITAL TOM E TVOS THE to WR wack Pce 52VIDEO PCB PROCESS Various Signal PC COMPONENT COMPOSITE to produce 24BIT DIGITAL output 1 ICand TP 1 ICA0Q UPD64063 Using 30 COMBFILTER to separate COMPOSITE signal to Brighiness Signal and Color Signal TP input COLOR BAR PATTERN Brightness Signal ku B CCOMP Color Signal C 2 SAATHBE Receive NTSC SECAM PAL VIDEO by COMPOSITE V S VHS Y C COMPONENT Y Cb Cr and process signal Te A DECOE CHIP ENABLE part When signal process is dono by IC401 output 3 3 DC LEVEL 3 408 DPTV MVS A Scan Rate Converter which converts Interlace si2. Scan IC Check the following cases OK More than K ohm NG Shortage Between NEGA and POSI 37 11 7 Strip Defect Strip Defect Compare with specification 1 Strip 2 Strip 25 38 Strip Defect 3 Strip 39 8 Strip 11 8 Vertical Line Vertical Line Single ine Open Mode ALL Red ALL Green ALL Blue ALL Black Patten Pattern Black t Line Line Redt Line No Appearance Red 1 Line Open Mode Check Point The broken data flexible cable IOK Data IC Broken 40 Vertical Line Two line Shortage Mode ALL Red ALL Green ALL Blue ALL Black Pattern Pattern Pattern Pattern Blue 1 Line No Redi Line No Appearance Appearance Shortage between Red and Blue Check Point a This phenomenon is caused by panel issues 4 Vertical Line Check Point Block 1 2 data IC Block width 30mm The broken surface IC on data IC b The broken data flexible cable 42 Vertical Line Block 1 data IC Block Check Point a Lacking connector between Data Relay board and Data IC b The broken data flexible cable Vertical Line Block Many data IC Block Check Point Lacking connector between Data Relay board and Scan or Common board b The broken data flexible cable Shorlage between leads in con
3. SM No DSP115BEFO Service Manual 42 PLASMA PDP MONITOR CHASSIS SP 115 Model DP 42SI FOR NEC MODULE E DAEWOO ELECTRONICS Corp http sve dwe co kr AUG 2003 CONTENTS 1 COMMENTS 2 SAFETY PRECAUTION 3 PRODUCT SPECIFICATION 4 BLOCK DIAGRAM 5 AV BLOCK DESCRIPTION 6 LVDS SPECIFICATIONS 7 SERVICE MODE VIDEO PCB INITIAL DATA 8 SOFTWARE UPGRADE METHOD 9 POWER ADJUSTMENTS 10 ASSEMBLY LIST 11 PDP MODULE CHECK POINT 11 1 Flow Chart 11 2 Serial Number 11 3 Panel Crack 11 4 Flexible Cable 11 5 Connectors 11 6 Tester Checking 11 7 Strip Defect 11 8 Vertical Line 11 9 Hoi 12 EXPLODED VIEW ontal Line 1 COMMENTS This paper is the additional service manual for the DP 42SM WM GM using the NEC panel Other service contents with the exception of this manual are same as the existing service manual DP 42SM WM GM The existing service manual was made for ORION panel 2 Safety Precautions 1 When moving or laying down a PDP Set at least two people must be working Avoid any impact towards the PDP Set 2 Do not leave the broken PDP Set on for a long time To prevent any further damages after check the broken Sets condition make sure to tur the power AC off 3 When opening the BACK COVER tum off the power AC to prevent electric shock When a PDP is on high voltage and high current exist inside the Set 4 When loosening screws check the connecting position
4. Checking F2 use and GND on scan board Between F2 fuse and GND Opened NG Short i age Fa fuse and GND on scan board F Between F2 fuse and GND Check between F2 fuse and GND at scan or common board litis shortage Remove the heatsink over the data HIC And Check the surface of data HIC the take a picture OK Opened NG Shortage 32 Parts Location COMMON Board COMMON Board Power HIC Checking 2101 on Common board 2101 on common board Check the following cases PH2101 Between Aand G Between B and H Between C and D Between E and F OK More than K ohm NG Shortage Power HIC Checking PH2101 on Scan board 2101 on scan board 1 Check the following cases LOLZHd Between A and G Between B and H Between C and D Between E and OK More than K ohm NG Shortage 35 Power HIC Checking PH2102 on Scan board PH2101 on common board Check the following cases 2102 Between A and B Between B and Between D and E Between F and G Between and Between J and OK More than K ohm NG Shortage 36 x SCAN IC Driver Checking
5. 4850705N27 YMHO25 05R YMTOZSR ULW 500 CONNECTOR 4950706025 12505r1S 06 12505TS ULV 22 CONNECTOR 4850705N28 12505H8 05 12505TS UL 23 CONNECTOR 485070828 YMHO25 04R YMTOZ5R ULW 400 2 CABLE FFC 4859000381 0 5 R 50P 320MM 6X4 6X4 25 CABLE FFC 485900018L 0 5 K S0P 400MM 6X4 6X4 26 CABLE 4859000281 0 5 50 360 6X4 6X4 27 FILTER EMI SPZCAT3035 ZCAT3035 1330 28 BRKT MAIN 4853954100 5 0710 29 SUPPORT CIRCUIT 4957300400 2 25 01 22 11 PDP MODULE CHECK POINT 11 1 Flow Chart Check process Serial Number Panel Crack Take pictures Module and shipment box Flexible Cable Take pictures Take pictures If you can confirm visual malfunction take pictures Phenomena Input it in your line again yt 3 3 4 4 ach Strip Defect Vertical Line Horizontal Linef No Display Writing Issues Page 38 39 41 44 Page45 Judgment Make C PDP Failure Description sheet 23 11 2 Serial Number Module Number and Panel ID Serial No Type SERIAL NO 302200128 Vs 168 4V CODE CA 01 24 Panel ID 222301242941 11 3 Panel Crack Panel Crack Check the surface of glass whether crack or not This issue may b
6. o gC eee at T vno cit em pur s 1 Select as above and push Noxt N gt button Select Comm port and Boud rate and push gt button ESTA Upgrade process wil be displayed Power the AC on wil initiate the download Uu ENE Fes ee dea Mb poor od 1 When Upgrade are complete a window below wil open Push Finish button to complete ihe process 18 9 POWER ADJUSTMENTS 1 Vsus SUSTAIN Voltage Discharge Sustain Voltage METER used DIGITAL MULTIMETER DC Voltage Measure Mode Adjusting TP TP204 refer to PAGE 11 Adjusting VOLUME RV203 refer to PAGE 11 Standard Voltage 170V This value could be different from the optimum adjusting voltage Optimum adjusting Voltage Stated in the LABEL See voltage adjustment label in the top of Panel Back Plate PAGE 11 2 Vadd ADDRESS voltage DATA Input Voltage METER used DIGITAL MULTIMETER DC Voltage Measure Mode Adjusting TP TP206 referto PAGE 11 Adjusting VOLUME RV204 refer to PAGE 11 Standard Voltage 80V This value could be different from the optimum adjusting voltage Optimum adjusting Voltage Stated in the LABEL Soo voltage adjustment label in the top of Panel Back Plate PAGE 11 As NEC Panel doesn t apply itis unnecessary to adjust 19 POWER gt JACK AUDIO PWR 15V POWER VIDE sv 12 VOLTAGE SWITCH POWE
7. OL 13 6 LVDS CABLE CAUTION After servicing you must check if ring core is coupled with LVDS cable Otherwise PDP may not display 14 7 SERVICE MODE VIDEO PCB INITIAL DATA 1 Input Selection VIDEO 2 USER CONTROL INITIAL VALUE BRIGHTNESS 35 CONTRAST 47 COLOR 32 TINT 0 CENTER SHARPNESS 4 3 SERVICE MODE INITIAL VALUE 1 PWATI SUB BRIGHTNESS 28 SUB CONTRAST 40 R BIAS 64 G BIAS 64 B BIAS 64 R GAIN 64 G GAIN 64 B GAIN 64 2 SAA7118 SUB 128 SUB CONT 50 SUB CLR 55 SUB TNT 0 SUB SRP 10 3 DPTV SUB BRT 61 SUB CONT 16 4 CXA3516 SUB CONT 58 Cb OFFSET 39 Cr OFFSET 87 HYS 3 THRSLD 14 5 MSP34X0 PRESCALE 22 6 PANEL MOVING STILL VideoBORFC 15 8 SOFTWARE UPGRADE Method Connect the JACK PCB to the Video 2 Connect 9 PIN serial cable to the computer serial port 3 serial cable s opposite end to Jack PCB s RS 2320 4 Run PC s Flashupgrader exo and then push Next N gt button mus or Ta ac te rele Net pg E 1 Select curent Upgrade fle Copy fles sont by research center to folder you wish to copy Browse and Select PWSDK int th folder xb am Jeene A E Push Nex N gt button 16 EL Sake ey en dt Sapan aw wni e ie
8. R lt gt VIDEO STB 5V PWR AC POWER INPUT LINE 20 Vsus s TP TP204 s TP TP206 VOLUME for adjusting Vsus RV203 HIGH VOLTAGE SWI HIGH VOLTAGE Vsus 21 10 ASSEMBLY LIST No POBASSVNAME ASSY CORD ASSY DESCRIPTION 1 VIDEOPOBAS 50009 PCB VIDEO MANUAL AS 2 JACKPCBAS PTJAMSGO09 PCB JACK MANUAL s SVSUBPOBAS PTSEMSGOOS SUB MANUAL AS 4 MODULEPDP 4850 06110 42 2 2 s xsusPcBAs 485450020 X SUS PCB AS NP42B2MFO2 NEC 5 vsuspcsas 485450030 Y SUS PCB AS NP4282MF02 NEC 7 DIGMALPOBAS 4854500490 DIGITAL AS NP42B2MFO2 NEC 8 CONNCENTER AS 4854500790 CONN CENTER AS NPAZB2MFO2 NEC 5 CONNLEFTAS 4854500590 CONN LEFT AS NP4282MFO2 NEC CONNRIGHTAS 485450060 CONN RIGHT AS NP4282MFO2 NEC PANELGLASS 485500190 PANEL GLASS NP4282MF02 12 GLASSFILTER 4952400200 PDF SPHOZ MODULEPOWER 4850M05910 PDD 421 D CONNECTOR 4850711N04 YMH025 11R YMH025 11R ULW 230 15 CONNECTOR 4850707N11 YMHO25 07R YMHO25 07R ULW 220 16 CONNECTOR 4850709N06 YMHO25 09R YH996 09V ULW 400 17 CONNECTOR 4850710N09 YMHO25 10R YH396 10V ULW 310 CONNECTOR 4850704N29 A2501H02 4P 440133 4 ULW 410 19 CONNECTOR 485071008 YMHO25 10R YMTO25R ULW 500 20 CONNECTOR
9. TAND 2 WITH STAND 039 x 628 80 mm 089 x 725 320 mm 256 x 800 x 327 mm 3 ELECTRICAL 3 1 VIDEO INPUT 3 2 DTV DVD INPUT 3 PO INPUT 4 SOUND INPUT 4 SPEAKER OUTPUT 5 POWER REQUIREMENT 6 POWER CONSUMPTION 8 RS 232 CONTROL 9 FUNCTION 1 SCALING 2 ZOOM 3 080 4 OTHERS COMPOSITE NTSC PAL SECAM PAL MIN NTSC4 43 amp S VHS 50 60Hz Y C 2SETS 1080 i 720P 480P 4801 Y COMPONENT SIGNAL 2SETS VGA UXGA 15 PIN D SUB 1SET VIDEO 2SETS DTV DVD 2SETS 1SET SWIR SWIL 100V 240V S0 60Hz 320W RS 232 FOR SOFTWARE UPGRADE PC HIV SIZE 8 POSITION ADJUST VIDEO DTV DVD NOMAL 1633 PANORAMA ENLARGE LB ENLARGE 188 20 SCALE ZOOM amp SUPPORT 11 LANGUAGES STILL SLEEP MODE SOUND MODE ITEM SPECIFICATION REMARK 4 2 ASPECT RATIO 4 3 NUMBER OF PIXELS 44 DISPLAY COLOR 45 PIXEL PITCH 4 6 PEAK LUMINANCE 4 7 CONTRAST RATIO 4 8 VIEWING ANGLE 5 USERCONTROL amp ACCESSORY 1 CONTROL BLITTON SET 169 853 H X480 V 16 77 MILLION COLOR 88 RGB 1 08 H X1 08 V 300cd m WITH FILTER GLASS 15003 160 DEGREE VERTICAL HORIZONTAL 5 2 REMOTE CONTROL R V28 5 3 ACCESSORIES AC POWER BUTTON PUSH PULL SM MENU SELECT UP DOWN LEFT RIGHT SOFT SAW POWERINPUT SELECT DISPLAY ZOOM ZOOM MENU UP DOWN VOLUME UP VOLUME DOWN FREEZE SCREEN MODE SOUND MODE SLEEP
10. and type of the Screw Sort out the screws and store them separately Because screws holding PCB are working as electric circuit GROUNDING make sure to check if any screw is missing when assembling 6 It you open the BACK COVER you will see a Panel Gas Exhaust this part is damaged entire PDP PANEL must be replaced Therefore when working be careful not to damage this part 6 A PDP Set contains different kind of connector cables When connecting or disconnecting connector cables check the direction and position of the cable beforehand 7 When disconnecting connectors unplug the connectors slowly with care Especially when connecting disconnecting film cables or FPC cables do not unplug the connectors too much instantaneously or strongly and always handle the cables with care 8 Connectors are designed so that if the number of pins or the direction does not match connectors will not fit When having problem in plugging the connectors make sure to check their kind position and direction 3 Product Specification ITEM SPECIFICATION REMARK 1 GENERAL MODEL NO DSP A280NVS 1 2 CHASSIS NO SP 115 1 3 SCREEN SIZE 427169 1 4 COUNTRY WORLD WIDE 1 5 RESOLUTION 853 H X 480 V 1 6 REMOCON TYPE R V28A E 1 7 SAFETY STANDARD UL C UL CE CB FCC CLASS CE CLASS 2 MECHANICAL 2 1 APPEARANCE 1 WITHOUT STAND 2 WITH STAND 3 CARTON BOX 2 2 WEIGHT 1 WITHOUT S
11. e caused by transportation or treatment after shipment We would like you to take some pictures the broken module the outside box and inform the shipment data If you do not the pictures we dispose the broken modules on our responsibil 25 11 4 Flexible cable Flexible Cable Check the Flexible Cables whether scratched broken or not Cutting cable or broken 111100111 In this case it caused by handling them at customer line We would like you to be careful to handle the modules 26 11 5 Connectors Connectors Condition Check the Cable or Connectors whether connected and locked or not NEC MODULE ONLY with the exception of video power and jack board e We would like you to be careful to handle the modules at assembling 27 Each Connectors Condition ata Hie DIGITAL BOARD DIGITAL BOARD SCAN BOARD DATARELAY BOARD DATARELAY BOARD DATARELAY BOARD SACN DRIVING BOARD 28 Each Connectors Condition COMMON BOARD DIGITAL BOARD FLEMBLE CALBLE FLEXIBLE CALBLE LOCKED Y CONNECTED f 29 11 6 Tester Checking Fuse Checking Alarm Line Checking SESSEL Glass Alarm Caen between pins on CN3 On Data Relay Board Scan Board Right Down L Shortage NG 31 Data HIC line
12. gnal into Progressive signal A WS VERTICAL SYNC output by DPTV MVS VHS HORIZONTAL SYNC output by DPTV MVS LULLILI 4 IC500 CXA3516R channel 8 1 165MSPS A D converter which process PC DTV signal A GCORST COAST CONTOL Signal for PLL input by CXA3516 B GHS HORIZONTAL SYNC for GRAPHIC output by 516 C GCLK CLOCK for CLOCK output by 516 m Ji TM D GFBK SYNC for PLL 6 IC600 PWI1 Image processor IC T DEN DATA ENABLE output by PW171 TERREA C DVS VERTICAL SYNC for DISPLAY output by PW171 D DCLKB CLOCK for DISPLAY output by PW171 53 JACK PCB Separate and process various VIDEO and AUDIO signal 1 IC7o VIDEO SYNC SELECTOR This chooses Y CrfPr or RGB signal t output Y CrPr t separate SYNC and to perform SYNC COUNTER 2107047 3 OUTPUT AUDIO VIDEO SWITCH The IC AUDIO or VIDEO SWITCHING 8 IC70QMULTI STANDARD SOUND PROCDSSOR AUDIO SINGNAL VOLUME control EQUALIZER control 12 T R_OUT L_OUT AUDIO SIGNAL that goes into MSP3420 before AUDIO PROCESSING 4 16701 10700 7480 T RIGHT LEFT AMP Input signal before 3048 amplification 414KEY Input PCB using KEY 4 1 5LED POB POB for REMOCON CONTR
13. nector Foreign Material etc 11 9 Horizontal Horizontal Line single iine two lines or block VU CW Single Two Line Block Block Check Point ajThe broken surface IC on scan IC driver Check the resistance between NEGA and POSI on scan IC board Normal K ohm Level b The broken data flexible cable Lacking connector between scan IC and scan board 45 EI a H E mmt 4 EE mmi thus EL
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