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Seanix SE1908W 

 1 

19” LCD MONITOR 

SE1908W 

 

 

 

 

 

THESE DOCUMENTS ARE FOR REPAIR SERVICE INFORMATION ONLY. EVERY REASONABLE EFFORT 

HAS BEEN MADE TO ENSURE THE ACCURACY OF THIS MANUAL; WE CANNOT GUARANTEE THE 

ACCURACY OF THIS INFORMATION AFTER THE DATE OF PUBLICATION AND DISCLAIMS RE LIABILITY FOR 

CHANGES, ERRORS OR OMISSIONS.

   

 

SERVICE MANUAL

 

Summary of Contents for SE1908W

Page 1: ...REPAIR SERVICE INFORMATION ONLY EVERY REASONABLE EFFORT HAS BEEN MADE TO ENSURE THE ACCURACY OF THIS MANUAL WE CANNOT GUARANTEE THE ACCURACY OF THIS INFORMATION AFTER THE DATE OF PUBLICATION AND DISCL...

Page 2: ...4 2 Display Characteristics 11 4 4 3 Optical Characteristics 11 4 4 4 Electrical Characteristics 12 5 Block Diagram 13 5 1 Software Flowing Chart 13 5 2 Electrical Block Diagram 15 5 2 1 Main Board 15...

Page 3: ...Seanix SE1908W 3 Revision List Version Date Revision History TPV Model Name A00 Jun 28 06 Initial Release T982KM2NKBSEN A01 Feb 07 07 Add different parts list in Item 11 T96MM2NKWCSENP...

Page 4: ...n Analog Input Signal 24Pin Digital H Frequency 30kHz 83kHz Input V Frequency 55 75Hz ON Mode 36W Power Consumption OFF Mode 1W Display Color 16 2M Contrast Ratio 500 1 Dot Clock 135MHz White Luminanc...

Page 5: ...ness control logic and DDC The Inverter board will drive the backlight of panel and DC DC conversion The Adaptor will provide 12V DC power to Inverter Power board AC IN 100V 240V Flat Panel and CCFL b...

Page 6: ...xit Front Panel Control Power Button Press this button to switch ON OFF of monitor s power MENU ENTER Activate OSD menu when OSD is OFF or activate de activate adjustment function when OSD is ON or Ex...

Page 7: ...Position Adjust the horizontal position of the picture Image Position V Position Adjust the vertical position of the picture Warm N A Recall warm Color Temperature from EEPROM Cool N A Recall cool Col...

Page 8: ...Adjust the OSD timeout Language Language N A Select the language you like Information Information N A Show the resolution H V frequency and input port of current input timing Yes N A Clear each old s...

Page 9: ...round 15 Pin Color Display Signal Cable 1 5 6 10 11 15 2 DVI D connector Pin No Description Pin No Description 1 TMDS data 2 13 TMDS data 3 2 TMDS data 2 14 5V Power 3 TMDS data 2 4 Shield 15 GND for...

Page 10: ...efect with a maximum of 1 half wave missing per second Voltage 5VDC 5 12VDC 5 Current 1 5Amp 5V 2 Amp 12V 4 3 Factory Preset Display Modes Standard Resolution Horizontal Frequency Vertical Frequency D...

Page 11: ...ide viewing angle High contrast ratio Super fast response time High color saturation WXGA 1440 x 900 pixels resolution DE Data Enable only mode LVDS Low Voltage Differential Signaling interface RoHS C...

Page 12: ...Seanix SE1908W 12 4 4 4 Electrical Characteristics 1 TFT LCD Module 2 Backlight Unit...

Page 13: ...Seanix SE1908W 13 5 Block Diagram 5 1 Software Flowing Chart 1 2 N Y 5 Y N 10 Y N 12 Y N 7 Y N 6 4 3 8 9 14 11 13 Y N 15 Y N 16 17 19 Y N 18...

Page 14: ...ED and set it to green color Scalar initialize 10 In standby mode 11 Update the lifetime of back light 12 Check the analog port are they re any signals coming 13 Does the scalar send out an interrupt...

Page 15: ...TSU56AK Include ADC OSD U401 EEPROM M24C16 U602 D Sub Connector CN301 EEPROM M24C02 U301 H sync V sync RGB DB15_SDA DB15_SCL EPR_SDA EPR_SCL LCD Interface CN503 EEPROM M24C02 U302 DDC2_SDA DDC2_SCL D...

Page 16: ...ectifier and Filter PWM Control IC Transformer Over Voltage Protect 12V PWM Control IC Feedback Circuit OSC and Output Circuit DC Convert Circuit MOSFET Q203 Q204 Over Voltage Protect Lamp ON OFF DIM...

Page 17: ...e Size Document Number Rev Date Sheet of VAA2 VCPU VCC1 8 VAA3 VAA2 VAA1 PA 0 9 VCC12V VCC1 8 VLCD VAA4 VCC5V VCC3 3 B4 2 POWER onPanel_5V 3 3V onBACKLITE AdjBACKLITE VCC3 3 VCC1 8 VAA1 VAA2 VAA3 VAA4...

Page 18: ...10 NC VCC5V Q203 AO3401 R201 4 7K 1 16W VCC5V C215 47uF 16V C203 0 1uF C208 10uF 16V VLCD VCC5V C B E VAA1 C210 0 1uF onBACKLITE 6 VAA3 4 U201 AZ1117D 1 8 3 2 1 VI VO GND FB202 600 OHM VCC5V Q202 PMBS...

Page 19: ...310 BAV99 3 1 2 R350 10 1 16W R342 NC D314 LL5232B 5 6V 5 DDC_CLK 6 DVI_HPD VCC5V C306 0 047uF C324 0 1uF D315 LL5232B 5 6V 5 R303 33 1 16W R314 2 2K 1 16W DAT_DDC D304 BAV70 3 1 2 C316 0 1uF R327 75...

Page 20: ...AVDD_PLL AVDD AVSS AVSS_DVI LVACKP LVA3M LVA3P AVSS AD1 NC AD2 NC BUS TYPE NC FB404 600 OHM VDD VPO VCC1 8 CLK 3 G 3 3 WIRE FB401 600 OHM C406 0 1uF C415 0 1uF AD1 6 VSYNC 3 X401 14 318MHz SCALER B TS...

Page 21: ...OC LVB3M PB6 PB9 LVA1P PA2 RXE3 PB4 PB0 RXEC PA0 LVA1P RXO1 VLCD LVBCKM PA9 LVA3M RXE0 LVBCKP LVACKM LVB1M LVACKP PA3 LVA1M LVB0P RXO0 LVA3P LVACKP PB1 LVA3P PA 0 9 4 RXE0 VLCD 2 LVB1M LVB3M LVA0P RXE...

Page 22: ...10K 1 16W R616 4 7K 1 16W LED_O DDC_DAT 3 MCU B TSU16 56AK FOR MYSON512 SWITCH B 6 6 Wednesday October 06 2004 Title Size Document Number Rev Date Sheet of INT 4 R640 1K 1 16W R624 470 1 16W Standby R...

Page 23: ...7R D906 BAW56 SMD 1 2 3 MOSFET S D907 1N4148 SMD R927 363 0805 C903 0 47uF 300V R916 103 0805 C912 1000UF 25V IC903 PC 123 1 2 3 4 L902 1 4 2 3 C906 22UF 25V R909 3R3 1206 C909 104 0805 X7R C908 474 0...

Page 24: ...R109 NC C101 220uF 25V R103 NC is power GND C108 0 1uF 25V IDPC1942SEL1 715L1299 1 1 POWER AOC Top Victory Electronics Co Ltd A Title Size Document Number R R104 NC D101 SR34 M ON OFF L102 150UH 73L 2...

Page 25: ...Q205 PMBS3904 3 2 1 Q203 AO4411 1 2 3 4 8 7 6 5 S1 S1 S1 G1 D1 D1 D1 D1 TP1 HVL 1 R231 2K 1 4W C220 1uF 25V R238 12K 1 16W R216 220 1 16W C209 1uF 25V CN203 33L8020 2D 33L8021 2D LAYOU 1 2 is power GN...

Page 26: ...Seanix SE1908W 26 7 PCB Layout 7 1 Main Board 715L1423 1 512 2...

Page 27: ...Seanix SE1908W 27...

Page 28: ...Seanix SE1908W 28...

Page 29: ...Seanix SE1908W 29 7 2 Adapter Board 715V 901 1 8...

Page 30: ...Seanix SE1908W 30...

Page 31: ...Seanix SE1908W 31...

Page 32: ...Seanix SE1908W 32 7 3 Inverter Board 715G1299 5...

Page 33: ...Seanix SE1908W 33...

Page 34: ...Seanix SE1908W 34...

Page 35: ...5 8 Maintainability 8 1 Equipments And Tools Requirement 1 Voltmeter 2 Oscilloscope 3 Pattern Generator 4 DDC Tool with an IBM Compatible Computer 5 Alignment Tool 6 LCD Color Analyzer 7 Service Manua...

Page 36: ...picture is normal Please reinsert and make sure the AC of 100 240 is normal Measure U201 PIN2 1 8V U202 PIN2 3 3V Reinsert or check the Adapter Inverter section X601 and X401 oscillate waveforms are n...

Page 37: ...PIN2 1 8V U202 PIN2 3 3V Check Correspondent component Replace U401 X401 oscillate waveform is normal Replace U201 U202 OK OK OK OK OK NG NG NG NG Check HS VS from CN301 is normal Replace X401 Check...

Page 38: ...03 are broken or CN503 solder Check Correspondent component Replace PANEL Check Correspondent component Replace U601 OK OK OK Replace X601 OK NG NG NG NG Check reset circuit of U601 is normal Measure...

Page 39: ...ge Q201 or Q202 Check U201 PIN1 have the output of square wave at short time NG OK Change U201 Check D203 D204 have the output of square wave at short time NG OK Check Q203 Q205 Q207 D203 Check Q204 Q...

Page 40: ...1 Switch the Chroma 7120 to RGB Mode with press MODE button 2 Switch the MEM Channel to Channel 3 with up or down arrow on chroma 7120 3 The LCD indicator on chroma 7120 will show x 296 20 y 311 20 Y...

Page 41: ...Y 180 cd m2 4 Adjust the RED of color3 on factory window until chroma 7120 indicator reached the value R 100 5 Adjust the GREEN of color3 on factory window until chroma 7120 indicator reachedthe value...

Page 42: ...70010A PAPER BOARD 044G6002815 1A PAPER BOARD 044G9003 1 CORNER PAPER 045G 88606 PE BAG FOR BASE 045G 88609 21 EPE COVER 045G 88626 4 PE BAG FOR MONITOR 050G 600 2 HANDLE1 050G 600 3 HANDLE2 052G 1185...

Page 43: ...INGE BRACKET 033G4695 1 C CLAMP 034G1273 GM L STAND 034G6269 GM 1L REAR COVER 037G 489 1 HINGE ASS Y 0Q1G 140 8128 SCREW 0Q1G1030 6128 SCREW 0Q1G1030 10128 SCREW T34G1277 Q1 L BASE 033T6007 1 LENS 040...

Page 44: ...90 57 01 Q901 ASS Y W33T6045 B T TOP COVER W33T6046 B T COVER CN602 033G8019 8C FPC FFC CONN CN201 033G8027 12 WAFER 2 6P 2 0MM R A CN503 033G802724B H WAFER 040G 45762412B CBPC LABEL C202 067G215V221...

Page 45: ...J1842A2 PMS 0 18UF 250V C214 063G210J1842A2 PMS 0 18UF 250V C217 065G 3J1806ET 18PF 5 SL3KV TDK C215 065G 3J1806ET 18PF 5 SL3KV TDK C216 065G 3J2206ET 22PF 5 SL 3KV TDK C218 065G 3J2206ET 22PF 5 SL 3K...

Page 46: ...31K OHM 1 8W 1 R917 061V1206100 CHIP 10 OHM 1 8W R901 061V1206105 CHIP 1MOHM 5 1 4W R902 061V1206105 CHIP 1MOHM 5 1 4W R935 061V1206159 CHIP1 5OHM 5 1 4W R921 061V1206159 CHIP1 5OHM 5 1 4W R920 061V1...

Page 47: ...C02 WMN6TP U602 056G1133 56 M24C16 WMN6TP Q201 057G 417 4 PMBS3904 PHILIPS SMT 04 Q202 057G 417 4 PMBS3904 PHILIPS SMT 04 Q204 057G 417 4 PMBS3904 PHILIPS SMT 04 Q605 057G 417 4 PMBS3904 PHILIPS SMT 0...

Page 48: ...PR 100 OHM 5 1 16W R309 061L0603101 CHIPR 100 OHM 5 1 16W R624 061L0603102 CHIPR 1K OHM 5 1 16W R332 061L0603102 CHIPR 1K OHM 5 1 16W R311 061L0603102 CHIPR 1K OHM 5 1 16W R203 061L0603102 CHIPR 1K OH...

Page 49: ...603221 CHIPR 220 OHM 5 1 16W R610 061L0603221 CHIPR 220 OHM 5 1 16W R314 061L0603222 CHIPR 2 2K OHM 5 1 16W R313 061L0603222 CHIPR 2 2K OHM 5 1 16W R647 061L0603223 CHIPR 22K OHM 5 1 16W R303 061L0603...

Page 50: ...CHIP 0 1UF 50V X7R C325 065G0603104 32 CHIP 0 1UF 50V X7R C401 065G0603104 32 CHIP 0 1UF 50V X7R C404 065G0603104 32 CHIP 0 1UF 50V X7R C406 065G0603104 32 CHIP 0 1UF 50V X7R C407 065G0603104 32 CHIP...

Page 51: ...65G0603104 32 CHIP 0 1UF 50V X7R C210 065G0603104 32 CHIP 0 1UF 50V X7R C402 065G0603220 31 CER1 0603 NP0 50V 22P PM5 R C403 065G0603220 31 CER1 0603 NP0 50V 22P PM5 R C602 065G0603220 31 CER1 0603 NP...

Page 52: ...9 SU EGA10603 V05 C301 093G 64 49 SU EGA10603 V05 D601 093G 6432V LL4148 GS08 D303 093G 6433P BAV99 D306 093G 6433P BAV99 D307 093G 6433P BAV99 D308 093G 6433P BAV99 D309 093G 6433P BAV99 D310 093G 64...

Page 53: ...1L0603221 CHIPR 220 OHM 5 1 16W R201 061L0603303 CHIP 30K OHM 5 1 16W R213 061L0603392 CHIP 3 9K OHM 1 16W R212 061L0603392 CHIP 3 9K OHM 1 16W R215 061L0603392 CHIP 3 9K OHM 1 16W R214 061L0603392 CH...

Page 54: ...CHIP 1UF Y5V 0805 C203 065G0805105 27 CHIP 1UF Y5V 0805 C208 065G0805331 31 CHIP 330pF 50V NPO C222 065G0805474 27 CHIP 0 47UF 25V Y5V C221 065G0805474 27 CHIP 0 47UF 25V Y5V D210 093G 6432S IN4148W...

Page 55: ...CB R233 061G 17210252T 1K OHM 5 1 4W R232 061G 17210252T 1K OHM 5 1 4W R231 061G 17210252T 1K OHM 5 1 4W R230 061G 17210252T 1K OHM 5 1 4W R229 061G 17210252T 1K OHM 5 1 4W R228 061G 17210252T 1K OHM...

Page 56: ...EL817MA M TYPE IC903 056G 139 3A PC123Y22FZOF IC903 056G 139 3B PC123 Y82FZ0F NR901 061G 58050 WT NTC 5 OHM 5A C903 063G107K474 HS X2 CAP 0 47UF K 275VAC C902 065G305M1022E2 1000P 400VAC 250VAC C901 0...

Page 57: ...13 063G210J1842AC FILM CAP 0 18UF J 250V C214 063G210J1842AC FILM CAP 0 18UF J 250V C201 067G215C151 4H LOW ESR 150UF 25V 8 7MM C223 067G215C151 4H LOW ESR 150UF 25V 8 7MM C201 067G215C151 4K LOW E S...

Page 58: ...KOHM 5 1 4W R907 061G1206204 RST CHIPR 200 KOHM 5 1 4W R908 061G1206204 RST CHIPR 200 KOHM 5 1 4W R922 061G1206470 47 1206 R923 061G1206470 47 1206 R925 061G1206472 RST CHIPR 4 7 KOHM 5 1 4W R909 061...

Page 59: ...222 065G080547427T MLCC 0805 CAP 0 47UF Z 25V Y5V C221 065G080547427T MLCC 0805 CAP 0 47UF Z 25V Y5V IC904 056G 158 4 T H431BA R924 061G 17224152T 240 OHM 5 1 4W C924 065G 1K101 5T6921 100PF 1KV C905...

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