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Seanix SE1908W Service Manual

19" lcd monitor
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Seanix SE1908W

SERVICE MANUAL

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.
1

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  • Page 1: Service Manual

    Seanix SE1908W SERVICE MANUAL 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...

  • Page 2: Table Of Contents

    Seanix SE1908W Table of Content Revision List…………………………………………………………………………………………………………. 1. Monitor Specifications………………………………………………………………………………………….. 2. LCD Monitor Description……………………………………………………………………………………….. 3. Operating Instructions………………………………………………………………………………………….. 3.1 General Instructions…………………………………………………………………………………………... 3.2 Front Panel Control……………………………………………………………………………….…………... 3.3 Adjusting the Picture………………………………………………………………………………………….. 4. Input/Output Specification……………………………………………………………………………………... 4.1 Input Signal Connector……………………………………………………………………………………….. 4.2 Power Supply Requirements………………………………………………………………………………… 4.3 Factory Preset Display Modes………………………………………………………………………………..

  • Page 3: Revision List

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

  • Page 4: Monitor Specifications

    Seanix SE1908W 1. Monitor Specifications Items Description Driving system TFT Color LCD Type M190A1-L01 Size 48.14cm(19.05") LCD Panel Pixel pitch 0.285mm (H) x 0.285mm (V) Viewable angle 150˚ (H) 130˚ (V) (CR≥10) Response time 8ms for CMO panel Sync. Type...

  • Page 5: Lcd Monitor Description

    Seanix SE1908W 2. LCD Monitor Description The LCD MONITOR will contain a main board, an inverter board, a key board and an adapter board which house the flat panel control logic, brightness control logic and DDC. The Inverter board will drive the backlight of panel and DC-DC conversion.

  • Page 6: Operating Instructions

    Seanix SE1908W 3. Operating Instructions 3.1 General Instructions Press the power button to turn the monitor on or off. The other control buttons are located at front panel of the monitor. By changing these settings, the picture can be adjusted to your personal preferences.

  • Page 7: Adjusting The Picture

    Seanix SE1908W 3.3 Adjusting The Picture OSD Table: Main Sub Menu Main Menu Item Menu Menu Description Item Icon Icon Contrast Contrast from Digital-register. Luminance Brightness Backlight Adjustment Focus Adjust Picture Phase to reduce Horizontal-Line noise Image Setup Clock Adjust picture Clock to reduce Vertical-Line noise.
  • Page 8 Seanix SE1908W H. Position Adjust the horizontal position of the OSD. OSD Setup V. Position Adjust the vertical position of the OSD. OSD Timeout Adjust the OSD timeout. Language Language Select the language you like. Show the resolution, H/V frequency and input port of...

  • Page 9: Input/Output Specification

    Seanix SE1908W 4. Input/Output Specification 4.1 Input Signal Connector 1. D-SUB connector Pin No. Description Pin No. Description Red Video Green Video Detect Cable Blue Video Ground Ground DDC-Serial Data Ground H-Sync Red Ground V-Sync Green Ground DDC-Serial Clock Blue Ground 15 - Pin Color Display Signal Cable 2.

  • Page 10: Power Supply Requirements

    Seanix SE1908W 4.2 Power Supply Requirement A/C Line voltage range : 100 V ~ 240 V : 50 ± 3Hz, 60 ± 3Hz A/C Line frequency range Input Current : 1.5A max at 100V; 0.8A max at 240 V Peak surge current : <...

  • Page 11: Panel Specification

    Seanix SE1908W 4.4 Panel Specification 4.4.1 General Description - Wide 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 Compliance 4.4.2 Display Characteristics...

  • Page 12: Electrical Characteristics

    Seanix SE1908W 4.4.4 Electrical Characteristics 1. TFT LCD Module 2. Backlight Unit...

  • Page 13: Block Diagram

    Seanix SE1908W 5. Block Diagram 5.1 Software Flowing Chart...
  • Page 14 Seanix SE1908W REMARK: 1) MCU initialize. 2) Is the EEprom blank? 3) Program the EEprom by default values. 4) Get the PWM value of brightness from EEprom. 5) Is the power key pressed? 6) Clear all global flags. 7) Are the AUTO and SELECT keys pressed? 8) Enter factory mode.

  • Page 15: Electrical Block Diagram

    Seanix SE1908W 5.2 Electrical Block Diagram 5.2.1 Main Board Crystal LCD Interface 24MHz (CN503) (X601) Scalar IC TSU56AK MTV512GMV (Include ADC, OSD) (U601) (U401) EPR_SDA EPR_SCL H sync D-Data V sync Key Board D-Clock EEPROM Control M24C16 (U602) D-Sub Crystal Connector 14.318MHz...

  • Page 16: Inverter/Power Board

    Seanix SE1908W 5.3.2 Inverter/Power Board Bridge Rectifier AC input Transformer Rectifier diode EMI filte r and Filter Start Circuit: R903、R904 CN102 Feedback Over Voltage Control IC Circuit Protect ON/OFF OSC and MOSFET DC Convert Output Q203/Q204 Circuit Circuit Lamp Feedback...

  • Page 17: Schematic

    Seanix SE1908W 6. Schematic 6.1 Main Board 715L1423-1-512-2 TSU16/56AK SCHEMATIC GNDR GNDR GNDG GNDG DDC_CLK VCC1.8 VCC3.3 VAA1 VAA2 VAA3 VAA4 DDC_DAT GNDB GNDB ST_DET1 HSYNC HSYNC VSYNC VSYNC DVI_DET VCC1.8 DDCCI_SEL VCC3.3 VAA1 VAA2 VAA3 CLK+ CLK+ VAA4 CLK-...
  • Page 18 Seanix SE1908W VCC5V+ VCC5V SOT-252 D202 U201 VCC12V R202 GS1D VCC1.8 VCC12V AZ1117D-1.8 CN201 　 1/16W VCC1.8 ON_OFF R201 4.7K 　 1/16W C210 C211 C212 VCC12V VCC12V D201 SS14 C201 R212 4.7K 　 1/16W 0.1uF 47uF/16V 0.1uF VCC5V+ VCC5V VCC5V...
  • Page 19 Seanix SE1908W CN301 DB15 FB301 1/16W R301 1/16W C304 0.047uF 　 　 FB302 　 1/16W R302 　 1/16W C305 0.047uF FB303 1/16W R303 1/16W C306 0.047uF 　 　 R304 　 1/16W C307 0.001uF PC5V R325 C301 C302 C303 VGA_CON 　...
  • Page 20 Seanix SE1908W VCC3.3 FB401 VCC1.8 FB402 VCC3.3 VCC1.8 600 OHM 600 OHM C405 C414 10uF/16V 10uF/16V VPLL VDVI VDPLL C406 C407 C408 C409 C410 C411 C412 C413 C415 C416 C417 C418 0.1uF 0.1uF 0.1uF 0.1uF 0.1uF 0.1uF 0.1uF 0.1uF 0.1uF 0.1uF...
  • Page 21 Seanix SE1908W PA[0..9] PA[0..9] LVA3P CN503 LVA3M LVACKP LVACKM LVB0M RXO0- RXO0+ LVB0P LVA2P LVB1M RXO1- RXO1+ LVB1P LVA2M LVB2M RXO2- RXO2+ LVB2P LVBCKM RXOC- RXOC+ LVBCKP LVA1P RXO3- RXO3+ LVB3M LVB3P LVA1M LVA0M RXE0- RXE0+ LVA0P LVA1M RXE1- RXE1+...
  • Page 22 Seanix SE1908W VCPU VCPU RN602 RN601 R601 R602 C601 R607 　 1/16W 　 1/16W R606 　 1/16W 　 1/16W 0.1uF 　 1/16W 4/2/2004-change Crystal from 20MHz to 24MHz 　 1/16W R644 R645 R646 C602 22pF 　 1/16W U601 X601 P1.0 P1.1...

  • Page 23: Adapter Board

    Seanix SE1908W 6.2 Adapter Board 715V901-1-8 R922 470/1206/0.5W T901 R923 470/1206/0.5W R925 LED1 PQ26/22.5 472/1206 D904 20A/100V C910 BD901 102/500V/1206 GBU 4A/600V R903 R905 R907 624/1206 204/1206 204/1206 11.12 C905 L903 C904 R906 R908 C911 C912 C920 73A-253-91L C913 C914...

  • Page 24: Inverter Board

    Seanix SE1908W 6.3 Inverter Board 715G1299-5 L103 +12V L101 N101 BEAD 71L55 19 F101 U101 SI-8050SD L102 +VIN VOUT 84L52-5 150UH 73L 253 138 BEAD 71L55 28 ACK 88L304 1S R104 R102 C101 C102 220uF/25V 220uF/25V 　 1/16W C108 R103 0.1uF/25V...
  • Page 25 Seanix SE1908W L201 F201 4A63V Q203 R224 R225 R226 R227 TP1 HVL TP3 HVL +12V Q202 120UH CN201 C202 C201 C230 C215 0.1uF/25V Q201 OPEN D203 DTA144WKA R212 PT201 AO4411 150uF/25V 3.9K 1/16W R216 RLZ11B 　 C204 DTC144WKA 　 1/16W...

  • Page 26: Pcb Layout

    Seanix SE1908W 7. PCB Layout 7.1 Main Board 715L1423-1-512-2...
  • Page 27 Seanix SE1908W...
  • Page 28 Seanix SE1908W...

  • Page 29: Adapter Board

    Seanix SE1908W 7.2 Adapter Board 715V 901-1-8...
  • Page 30 Seanix SE1908W...
  • Page 31 Seanix SE1908W...

  • Page 32: Inverter Board

    Seanix SE1908W 7.3 Inverter Board 715G1299-5...
  • Page 33 Seanix SE1908W...
  • Page 34 Seanix SE1908W...

  • Page 35: Maintainability

    Seanix SE1908W 8. Maintainability 8.1 Equipments And Tools Requirement Voltmeter. Oscilloscope. Pattern Generator. DDC Tool with an IBM Compatible Computer. Alignment Tool. LCD Color Analyzer. Service Manual. User Manual.

  • Page 36: Trouble Shooting

    Seanix SE1908W 8.2 Trouble Shooting 8.2.1 Main Board No power No power Press power key and look if the picture is normal Please reinsert and make sure the AC of 100-240 is normal Reinsert or check the Adapter/Inverter section Measure U201 PIN2=1.8V U202 PIN2=3.3V...
  • Page 37 Seanix SE1908W No picture (LED orange) No picture The button if X601 oscillate Replace X601 under control waveform is normal Check reset circuit of Check Correspondent component U601 is normal Measure U201 PIN2=1.8V U202 PIN2=3.3V Replace U601 Replace U201, U202...
  • Page 38 Seanix SE1908W White screen White screen Measure Q204 base X601 oscillate waveform is normal is high level? Replace X601 Check Q204, Q203 are Check reset circuit of broken or CN503 solder? U601 is normal Check Correspondent Check Correspondent component. component.

  • Page 39: Inverter/Power Board

    Seanix SE1908W 8.2.2 Power/Inverter Board W / LED, No Backlight Check CN102 pin5=12V Check adapter or Main Board Check ON/OFF signal Check Main Board Check U201 pin9=12V Change Q201 or Q202 Check U201 PIN1 have the output of square wave at short time Change U201 Check D203 (-)/ D204 (-) have the output of square wave at short time.

  • Page 40: White-Balance, Luminance Adjustment

    = 313±20, y = 329 ±20, Y =180 cd/m 3. Into factory mode of Seanix SE1908W Turn on power, press the MENU button, pull out the power cord, and then plug the power cord. Then the factory OSD will be at the left top of the panel.
  • Page 41 Seanix SE1908W C. Adjust sRGB color-temperature 1. Switch the chroma-7120 to RGB-Mode (with press “MODE” button) 2. Switch the MEM.channel to Channel 4(with up or down arrow on chroma 7120) 3. The LCD-indicator on chroma 7120 will show x = 313 ±20, y = 329 ±20, Y = 180 cd/m 4.

  • Page 42: Bom List

    Seanix SE1908W 10. BOM List T982KM2NKBSEN Location Part No. for TPV Description 002G6014 1 SCREW 007G 5 7106 COMPOUND PALLET 007G 5 L 24 COMPOUND PALLET 007G 5 L150 COMPOUND PALLET 007G 5 L152 COMPOUND PALLET 012G6204 1 RUBBER 012G6300 11...
  • Page 43 Seanix SE1908W 705LQ9K0P34001 19" LCD REAR COVER-BASE-STAND ASS'Y E750L 750LLM90A11 11 CMO 19" A1-L01 PANEL ADPC1260AE LCD ADAPTER BOARD ASS'Y AM1G1740 10 47 SCREW CBPC982KM2SE CONVERSION BOARD IDPC1942SET1 INVERSION BOARD Q15G6335 2 SHIELD Q34G6346 Q1A1L BEZEL Q40G 19E956 1A RATING LABEL...
  • Page 44 Seanix SE1908W L902 073L 174 31LSG CHOKE COIL L903 073T 253 91 H CHOKE COIL T901 080LL17T 5LSG ADAPTOR BY LISHIN LED1 081T 2 3 2P F901 084G 53 2 H FUSE 2A 250V 3.6×10mm WALTER CN901 087T 501 11 RF...
  • Page 45 Seanix SE1908W CN301 088G 35315F H D-SUB 15PIN CN302 088G 35424F H DV1 CONNECTOR 24PIN U401 090G 444 1 HEAT SINK X601 093G 22 45 H 24MHZ/30PF/49US X401 093G 22 53 CRYSTAL 14.318MHzHC-49US AIC982KM2SE MAIN BOARD CON204 033G8021 2D AC CONN.2P R/A 87210-0236 DIP BY...
  • Page 46 Seanix SE1908W Q902 057T 417 6 PMBS3906/PHILIPS-SMT R928 061V0805102 CHIPR 1K OHM +-5% 1/8W R926 061V0805102 CHIPR 1K OHM +-5% 1/8W R930 061V0805152 CHIPR 1.5K OHM +-5% 1/8W R929 061V0805153 CHIPR 15K OHM+-5% 1/8W R931 061V0805154 CHIP 150KOHM 5% 1/8W...
  • Page 47 Seanix SE1908W C917 065T0805105 12 1UF +-10% 6V X7R C916 065T0805221 21 220PF 25V 5% C908 065T0805474 27 CHIP 0.47UF 25V Y5V C907 065T0805474 27 CHIP 0.47UF 25V Y5V C923 065T1206101 71 100PF 500V 1/8W C922 065T1206102 32 CHIP 1000PF/XTR +-5%...
  • Page 48 Seanix SE1908W R349 061L0603100 CHIP 10 OHM 1/10W R348 061L0603100 CHIP 10 OHM 1/10W R347 061L0603100 CHIP 10 OHM 1/10W R346 061L0603100 CHIP 10 OHM 1/10W R345 061L0603100 CHIP 10 OHM 1/10W R344 061L0603100 CHIP 10 OHM 1/10W R343 061L0603100...
  • Page 49 Seanix SE1908W R606 061L0603103 CHIPR 10K OHM +-5% 1/16W R607 061L0603103 CHIPR 10K OHM +-5% 1/16W R613 061L0603103 CHIPR 10K OHM +-5% 1/16W R202 061L0603103 CHIPR 10K OHM +-5% 1/16W R204 061L0603103 CHIPR 10K OHM +-5% 1/16W R208 061L0603103 CHIPR 10K OHM +-5% 1/16W...
  • Page 50 Seanix SE1908W R215 061L0603513 CHIP 51K OHM R310 061L0603561 CHIP 560 OHM 1/10W R325 061L0603750 CHIPR 75 OHM+-5% 1/16W R326 061L0603750 CHIPR 75 OHM+-5% 1/16W R327 061L0603750 CHIPR 75 OHM+-5% 1/16W R503 061L0603750 CHIPR 75 OHM+-5% 1/16W R651 061L0603912 CHIPR 9.1KOHM +-5% 1/10W...
  • Page 51 Seanix SE1908W C618 065G0603104 32 CHIP 0.1UF 50V X7R C601 065G0603104 32 CHIP 0.1UF 50V X7R C510 065G0603104 32 CHIP 0.1UF 50V X7R C428 065G0603104 32 CHIP 0.1UF 50V X7R C426 065G0603104 32 CHIP 0.1UF 50V X7R C201 065G0603104 32 CHIP 0.1UF 50V X7R...
  • Page 52 Seanix SE1908W FB401 071G 56Z601 CHIP BEAD 600 OHM 0805 FB202 071G 56Z601 CHIP BEAD 600 OHM 0805 FB304 071G 59B431 BK1608 HW 431 D314 093G 39147 TZMC5V6 D315 093G 39147 TZMC5V6 D316 093G 39147 TZMC5V6 D318 093G 39147 TZMC5V6...
  • Page 53 Seanix SE1908W Q202 057G 760 4 DTA144WKA BY ROHM SMT Q201 057G 760 5 DTC144WKA BY ROHM SMT Q204 057G 763 3 AO4411 SO-8 Q203 057G 763 3 AO4411 SO-8 R102 061L0603000 RST SM 0603 JUMP MAX 0R05 R R208...
  • Page 54 Seanix SE1908W C110 065G0805104 22 0.1UF +-10% 25V X7R 080 C202 065G0805104 22 0.1UF +-10% 25V X7R 080 C204 065G0805104 22 0.1UF +-10% 25V X7R 080 C205 065G0805104 22 0.1UF +-10% 25V X7R 080 C206 065G0805104 22 0.1UF +-10% 25V X7R 080...
  • Page 55 Seanix SE1908W L102 006G 31502 1.5MM RIVET L201 006G 31502 1.5MM RIVET L202 006G 31502 1.5MM RIVET PT201 006G 31502 1.5MM RIVET PT202 006G 31502 1.5MM RIVET 715G1299 5 POWER BOARD PCB R233 061G 17210252T 1K OHM 5% 1/4W R232...

  • Page 56: Different Parts List

    Seanix SE1908W 11. Different Parts List Diversity of T96MM2NKWCSENP compared with T982KM2NKBSEN Location Part No. for TPV Description 026G 800504 6 BARCODE LABEL E089A 089G 715CAA D2 SIGNAL CABLE D-SUB COMLINK E089A 089G 715HAA D2 SIGNAL CABLE E750L 750GLM90A1211N PANEL LCD 19" A1-L02 CMO...
  • Page 57 Seanix SE1908W BD901 093G 50460900 BRIDEGE DIODE GBU408 LITEON D905 093G 60228 MBR20100CT 20A 100VGI D904 093G 60228 MBR20100CT 20A 100VGI D905 093G 60237 SRF20100C D904 093G 60237 SRF20100C D901 093G 6026T52T RECTIFIER DIODE FR107 D902 093G 6038P52T PS102R D902...
  • Page 58 Seanix SE1908W R913 061G0805332 RST CHIPR 3.3 KOHM +-5% 1/8W R932 061G0805332 RST CHIPR 3.3 KOHM +-5% 1/8W R927 061G0805363 RST CHIPR 36 KOHM +-5% 1/8W R910 061G0805471 470&8 1/10W R911 061G0805472 RST CHIPR 4.7 KOHM +-5% 1/8W R912 061G0805472 RST CHIPR 4.7 KOHM +-5% 1/8W...
  • Page 59 Seanix SE1908W ZD902 093G 39S 8 T RLZ11B LLDS ZD901 093G 39S 12 T RLZ20B LLDS 715G1423 3512 MAIN BOARD PCB U101 056G 563 20 AP1501-50K5A C222 065G080547427T MLCC 0805 CAP 0.47UF Z 25V Y5V C221 065G080547427T MLCC 0805 CAP 0.47UF Z 25V Y5V...

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