Gebruiksaanwijzing /service van het product AT4202P van de fabrikant Acer
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1 T rident EX52 compatibly model: A T4202P ACER SER VICE MANUAL.
2 TH IS DO C U M ENT IS F O R RE P A I R SE R V I CE INFOR M A TION ON L Y . D A T E ： 2006/ 02/13.
Page 3 of 99 CONTE NTS 1 、 S P E C I FI C A T I O N . .... . . . . . ... . . . . . ........ . . . . . ... . . . . ........ . ...... . . . . . ... . . . . . ........ . . . . . ... . . . . . .. ..... . . . . .………… . . . ….. 4 1-1 General Sepecificaation.
Page 4 of 99 4 、 Troubl e shooting chart..................... ..................... ............................ ...... ....................…………... .. 24 4-1 PANEL Trouble shooting…….……….................. .................... .....
Page 5 of 99 1 1-1-2 Voltage value of IC necessary…………………………………………………………… 66 1 1-2 AUDIO and TUNER Board CHECK……………………………………………………………….
Page 6 of 99 1 、 S P E C I F I C A T I O N 1-1 - 1 G eneral Spe c ifi c aation Item Specification Screen size 42 inch plasma d isplay panel Aspect 16 : 9 Display pixels 852 x 480 (WXGA) Effective displa y size 933 mm x 533 mm Number of color 16.
Page 7 of 99 1-2 Feature Summary 42 inch Large Sc reen Flat Panel Pl asma Displa y Panel Resolution: WVG A （ 852 x 480 Pixels ） Panel Max Brightness : 1500 cd /m 2 Panel Max Contrast Ratio : 10000:1 View Angle: horizontal ≥ 160 º /vertical ≥ 160 º Built-in Single-way TV Tuner , Supporting 100channel s Full Channel TV Signal Receiving: 48.
Page 8 of 99 1-3 External Interface Most of these interfaces are located at the back -panel. There’s als o a group of connectors loc ated on the side of this devi ce for easier access .
Page 9 of 99 1-3-1 Video/Audio Input s The following secti ons specify the video/audio inputs for P42S351 1-3-1-1 TV Antenna Interface ① . TV Antenna Connector P42S35 1 shall provide a f-type cable c onnector with 75 ohms termination o n its back panel for reception of radio frequen cy signals.
Page 10 of 99 source to “ D-SU B ” state. Then turn on the PC. ② .Audio Inputs P42S351 shall provide a 3.5 mm jack for the stereo audio signal associated with VGAinput. ③ . Input Formats P42S351 shall s upport the follo wing input format on its VGA input.
Page 11 of 99 VGA INPUT DV I INP UT VGA VGA L R / DVI L R / 1-3-1-4 DVI input P42S351 shall accommodate a DVI t ype digital video sour ce as specified in this section. ① . Video Inputs Connect DVI-D 24 Pin si gnal cable （ TMDS cable ） fro m equipment with DVI-D jack to the back of this TV Set.
Page 12 of 99 P42S351 shall support the following input format on its DVI input. 1-3-1-5 SCART Input SCART 1 SCAR T 2 SCART 3 We have three SCART signal input jacks .
Page 13 of 99 PIN15 Red out PIN15 Red in PIN13 Red return PIN13 Red return PIN16 RGB status out PIN16 RG B status in PIN14 RGB status return PIN14 RGB status r eturn PIN19 Sync (composite video) out P.
Page 14 of 99 RGB input when DPMS setting is actived.There is a dela y, according to the DPMS setting before the transition from Onstate to any power saving stat e to avoid unintentionall y entering of a p ower saving stage during displ ay resolution and timi ng mode changes.
Page 15 of 99 base for external moun ting applications . When the base is removed, th ere shall be no add itional non-removable par ts that are visible from the front of the displ ay 1-6 Environmental Requirements 1-6-1 Temperature Ranges Operating Temperature…………………………………………………….
Page 16 of 99 3 、 Operation 3-1 Operati on of Remote Cont rol Tran sm itter.
Page 17 of 99 3-2 Key function 3-3 OSD Main Explanation Main Fuction 1. Press “ MENU” key on Remote Control or the front p anel to open or close the m enu. 2. Press “ ▲▼ ” to select an item. 3. Press “ ► ” or “Enter” to enter a sub menu item or an enable adjusted item .
Page 18 of 99 Press the Menu button on the remote control or the control panel to enter the main menu. Pres s “ ▲▼ ” button to select “SEARCH” menu , “VIDEO” menu, “AUDIO” menu, “TIME” menu, “SETTING” menu ,”SCREEN”menu or “PIP”menu.
Page 19 of 99 Programme Edit ： Press“ ► ” or “Enter”to Display “T o Set”,press “Enter”into ed it. see th e right picture.(Press Red button on remote control to delete. Press Green button to Copy . Press Y ellow button to Move. Press cyan button to s kip Favourite Prog.
Page 20 of 99 3-3-3 Video Menu Video Mode: switch pi cture among D ynamic 、 S tandard 、 Mild 、 Game 、 User 。 Color T emp: Color te mperature select ， Cool 、 Normal 、 Wa r m 、 User 、 Red 、 G reen 、 Blue adjust. Color Adjust:Set c olor parameter adj ust.
Page 21 of 99 L50 ~ 0 ~ R50 Adjust Treble: Adjust the treble s ound 0 ~ 100 Adjust Bass: Adjust the bass s ound 0 ~ 100 Adjust TV S peaker: Switch Internal /Ext ernal speaker Press Menu button to di splay the menu, us e “ ▲▼ ” to select a n item.
Page 22 of 99 Child Lock: On/ Off lock. Select ON , loc k the keypad, at the same time the screen is be blanked , you must in put your p assw ord. Change Password: Need password to change se ttings,initial Default password is:888888 Press Menu button to display the menu, use “ ▲▼ ” to selec t an item.
Page 23 of 99 3-3-8 Pip Menu INPUT : switch main signal a mong TV , A V1,A V2,A V3,A V 4, S-Video, Co m ponent1/ Co m ponent2 , VGA and. DVI. PIP:Switch the PIP function ON/OFF .
Page 24 of 99 3-8-1-1 PIP Input Mode 3-8-1-2 PIP Function Table List 1 : TRIDENT SCALER PC RGB ANALOG INPUT 2 : TRIDENT SCALER 24 BIT DIGITAL INPUT 3 : TRIDENT SCALER YPbPr ANALOG INPUT 4 : TV SIGNAL .
Page 25 of 99 4-2 Solution process of MGPC If change new Image boa rd, it is necessar y to refresh DDC and readjust white b alance. 4-2-1 Panel cannot be lit up 4-2-1-1 Check peripheral circuit s proc.
Page 26 of 99 4-2-1-2 Check Image board procedure.
Page 27 of 99 4-2-2 Picture Display --Dynamic picture abnormal.
Page 28 of 99 4-2-3 DVI picture abnormal.
Page 29 of 99 4-2-4 Component picture abnormal.
Page 30 of 99 4-2-5 RGB Picture A bnormal.
Page 31 of 99 4-2-6 V ideo Picture A bnormal.
Page 32 of 99 4-2-7 DC Power Supply.
Page 33 of 99 4-3 TUNER ＆ AUDIO BOA RD F AUL TS HA NDLING 4-3-1 Check DC Power Supply 4-3-2 T uner Faults Handling.
Page 34 of 99 4-3-3 T uner ＆ Audio Board Faults Handling.
Page 35 of 99 5 、 White-Balance Adjustment 5-1 Equipments list Chroma7100 1set VG828 video signal generato r 1set Chroma- 2326 1set 5-2 Preparation and Adjustment process 1 、 Preparation: z Connect rear Video port of PDP with AV port of VG -828.
Page 36 of 99 balance page” and make Chrom a 7100 x, y value i nto color temperature spec and Y value to maximum. ( St andard: x = 295 ± 10, y = 305 ± 10 ) 1.
Page 37 of 99 maximum. ( St andard: x = 295 ± 10, y = 305 ± 10 ) 1.20 Set Pattern gener ator to P AL output and 32 Gray scale pattern. 1.21 Used remote control t o entry factor y mode, adjust Green .
Page 38 of 99 “input serial no.:” promote. 6. Use Bar Readers to read the serial no to the program ， th en make su re the s erial no y ou have rea d is the same as on the barcode.
Page 39 of 99 3. Press the AC power switch. It will show the duologue window when PDP and PC connect correct. LED is red(If the connect is not correct ， it will retain like figure 1,and the PDP will open, LED is blue ) pres s “ confirm ” ; figure 2 4.
Page 40 of 99 5. Click the Prog key , it will show duologue window as picture 5 ,it start to write he soft ware , 6. RE: It will use about 3 minute to write soft ware, Do not turn-off the PDP during that time; otherwise it w ill make the Flash IC break.
Page 41 of 99 8 、 Soft ware A dminister Block diagram 8-1 Main Block diagram （ Kernel p art ）.
Page 42 of 99 8-2 SOURCE key Block diagram ProcessComm and tvAppSetOSD toeLoadOSDItems (Direc t Men us) tdSetS ysTimer toeResetMenu Stat us tdClearSysT imer bDirectMen u=_TRUE_ _VK_A V/TV_ toeInvokeMenu4 toeUserDrawOSDMenu toeDrawOSDM enu2 ucCurrentM ainMenuID=t _TOE.
Page 43 of 99 8-3 MENU key Block d iagram bEEpromOnline? _VK_MENU_ toeUserGetPersistentItemV alue ProcessComm and bMainMenu= _TRUE_ toeUserGetPers istentItemV alue tvAppSetOSD tdSetSysT imer tdClearSy.
Page 44 of 99 8-4 Mode Check Block diagram.
Page 45 of 99 8-5 SCART Key Choose Process ProcessComm and.
Page 46 of 99 Y N Y N N Y N Y N Y N ShowXDDem o(_TRUE_) toeLoadOS DItems bNeedUpdateOSD ? clearSysT imer(_OSDTIMER_) ClearSysT imer(_SOUNDINFO_) ScartS ourcebak != MPS ource NeedUp dataOSD PoweronStar.
Page 47 of 99 Y N Y N Y N Y N Y N Y IsRealKe y ShowProgr amSt atus T ranslateT elet extKey GetTTSysS tate != _TT_ST A TE_TEXT_ NeedBlackScre en AutoSleepTimer = 0 SetSysT imer tdCommandTT g_T imer .
Page 48 of 99 N Y N Y N Y ProcessCommand(u cV irtualKey) NeedClearT imer = _TRUE_ NeedUpdateO SD = _F ALSE_ NeedClearT imer = _F ALSE_ !g_Data. bShowSou ndSt atus SetSysTimer ClearS y sT imer (_ XDDEMOTIMER _) ShowInf o = _TRUE_ SortShowInfo = g_Data.
Page 49 of 99 3 9 、 Block diagram & Ex plain 9-1 PDP block diagram and functions 9 NOTICE: 1.Panel P9Z1 TO PANEL CN8 001 Power Input Ca ble. 2.Panel CN800 4 TO MGPC CN1 20 MGPC Power 3.Panel CN800 7 TO MGPC CN1 21&TUPC CN183 MGPC Power& TUPC Power 4.
Page 50 of 99 9-2 Image board block diagra m and signal intr oduce 9-2-1 Image board bloc k diagram RS232 DVI PC/RGB M16C Y Pb Pr Sil9011 SVP_EX52 LVDS L4 R3 R4 L3 DDR ROM SAA7117 A 4Mx32 24bit PIP De.
Page 51 of 99 9-2-2 Input signal introduce 1. VIDEO: transmit bright & chroma signal , it is general ,its pict ure qualit y is equal to the general VCD.S-VIDEO transmit the bright and the chroma single, and can reduce/control the cross-interfere , it is bette r than the Vid eo.
Page 52 of 99 10 、 Waveform of signal 10-1 Waveform of input signal YCbCr: T iming946 Pattern946 color bar picture YCbCr: Timing946 Pattern946 color bar pictu re Y Luminance Signal Red Signal YCbCr:.
Page 53 of 99 YPBPR YPbPr: Timing955 Patter n946 color ba r picture YPbPr: Tim ing955 Pattern9 46 color bar picture Y Luminance Signal Red Signal YPbPr: Timing955 Patter n946 C olor bar picture Blue S.
Page 54 of 99 VIDEO Video: Timing946 Patter n946 C olor bar picture Video: Timing949 Pattern936 Full Whit e Picture S—VIDEO Video: Timing949 Patt ern921 Gray Pictu re S-video: Timing9 46 Patern946 C.
Page 55 of 99 10-2 Signal w aveform in the image b oard ·VIDEO Video: Timing946 P attern946 C ol or bar picture Video: Timin g946 Patte rn946 C olor bar picture U 6 0 2 （Y/C sepa rate ）In pin88.
Page 56 of 99 Video: Timing 949 Patte rn921 Gray Picture Video: Timing 949 Pattern921 Gray Picture U602（Y/C separat e ）Outpin84 U611 In pin 73 U6 11 Decoder output 8bit digital s ignal · S—VIDE.
Page 57 of 99 S-Video: Timing 949 Pattern 936 Full White Picture S-Video: Timing 949 Pa ttern936 Full White Picture U600 pin5 Q600 E rank U600 pin18 U 602 pin88 S-Video: Timing 949 Patter n936 Full Wh.
Page 58 of 99 YCBCR YCbCr: Timing946 Patt ern946 C olor ba r picture YCbCr: Timing 946 Pattern946 C ol or bar picture Y Signal --L618 R Signal— L619 YCbCr: Timing 946 Pat tern946 C olor bar picture .
Page 59 of 99 YCbCr: Timing 949 Pat tern921 Gray Pi ctu re YCbCr : Timing 949、946 Pattern921、936 、94 Gray Picture/ C olor bar picture/ Full White P icture R/B—L619/L617 S ignal Decoder output .
Page 60 of 99 YPbPr: Timing 954 Pat tern936 Full White Picture YPbPr: Timing 953 Pattern921 Gray Picture R/B Signal— L612/L610 Y Signal—L611 YPbPr: Timing 953 Pat tern921 Gray Pict ur e R/B Signal.
Page 61 of 99 RGB: Timing4 Patt ern101 Pane Pic ture RGB: Timin g4 Pattern101 P ane Picture B—FL702 Waveform H—FL704 Wave form RGB: Timing4 Patt ern101 Pane Pic ture RGB: :Timin g4 Pattern105 Full.
Page 62 of 99 RGB: T iming 172 Patt ern105 W indow Pictur e RGB: Timing172 Pattern105 W ind ow Picture R—FL700 Waveform G — F L 7 0 1 Waveform RGB: Timing172 Pa ttern105 W i nd ow Pict u re RGB: T.
Page 63 of 99 RGB: Timing4 Patt ern27 C olor bar picture RGB: Timing4 Pattern27 C ol or bar picture G—FL701 Waveform B—FL702 Wavefo rm RGB: Timing4 Patt ern27 C olor bar picture RGB: Timing 4 Patt.
Page 64 of 99 11 、 Check and Measure 11-1 Image board Test the power of each chip with the univ ersal meter, to ground imped ance and earth situation.
Page 65 of 99 ② . In the following picture it is suc cessivel y 1 to 11 pin of CN120 fro m left to right. Among them, The second pin connec ts STB5V and supplied the power of CPU U38,this voltage is.
Page 66 of 99 D12V U107(AZ1 1 1 7) Pin 3 U605(T A2024) Pin24.25.29. 30.33 1 1-2 AUDIO and TUNER Board CHECK In the top picture it is prov ide Audio/Tu ner Board Audio Amp power， Among them,1pin and 2pin connec t 12V,3pin/4pin/6pin co nnect GND,5pin no connect .
Page 67 of 99 12 、 Mechanical Introduction 12-1 PDP Internal view Image Borad T unner Board Y- m a i n SMPS X-main Y -buffe (upper) Y -buffe (lower) Logic F buffer Logic E buffer.
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Page 69 of 99 12-2 Mechanical of cabinet front disassembly.
Page 70 of 99 12-3 Disassembly and assembly 12-3-1 PDP stand remova l 1) Unplug the AC pow er and all signal cables. 2) Place th e PDP ups ide down o n a tabletop (use a pr otection s heet or EPE bag), Take care, tha t this is flat and free from obstacles like screws, to prevent damagin g the fragile PDP glass filter (1).
Page 71 of 99 12-3-2 Back Cov er Removal 1). Remove the six b ig black colored screw s in the panel holder as the red-circle showed (1). 2) .Rem ove the e leven bl ack col ored sc rews arou nd the ter minals as the gre en-pane sh owed ( 2). 3) .Remove the tw erty-nine black colored screws around the ba ck cover as the blue-pane show ed (3).
Page 72 of 99 12-3-3 Rear Low Cover removal 1). Carefully use a al len screwdriver to remove the six silver colored allen screw s M3*6mm (1). 2) .Remove th e five blac k screws(2 ). 3).Remove the TUNER co nnect (3). 4).After remove the TUNER connect(4).
Page 73 of 99 6). The Rear Low Cover don e(6) 12-3-4 Main Board(MGP C) and TUNER AUDIO Boa rd (TUPC)remov al 1). Disconnect th e all connectors(green circularity). 2) Remove the six silver screw s from MGPC(main board)(1) an d romove six silver from TUPC(2).
Page 74 of 99 12-3-5 PCB Plate Remov al 1). Remove the two Ca ble Clips from the PCB Plate (2) 2) .Remove the fo ur sliver scr ews(1). 3). Remove the PCB Plate 12-3-6 Key Board Remov e 1) Remove the four silver screws(1). 2). Pull the Bezel down side(2), then push and take out the KEY board assembly(3).
Page 75 of 99 3). Remove the five silver screws to disassemb le the key board from Key button. 12-3-7 Side AV Board Removal 1) .Remove th e two silver screws (1). 2). Remove the side cover f rom Side AV board(2) 3). Dis connect the blue circ ularit y from Side AV board.
Page 76 of 99 12-3-8 Panel Module Removal 1) .Remove the four silve r screw around the PANEL corner (1). 2).Remove all the aluminum foi l around the panel (2), after assemb le the new panel, must re-affix the aluminum foil, if it’s broke n must change a new one, oth erwise, the EMI can be affected.
Page 77 of 99 12-4 Panel W iring diagram.
Page 78 of 99 13 、 PCB LA YOUT 13-1 Image broad PCB LA YOUT P ASTE MASK TOP.
Page 79 of 99 P ASTE MASK BOTTOM.
Page 80 of 99 13-2 TUNER board and AUDIO board PCB LA YOUT TOP.
Page 81 of 99 BOTTOM.
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