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Fujitsu FA-156WB-MP Service Manual

15.6”w lcd color monitor
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15.6"W LCD Color Monitor
Service
Service
Service
Description
Table Of Contents..........................................................1
Revision List..................................................................2
Important Safety Notice................................................3
1. Monitor Specifications.................................................4
2. LCD Monitor Description........................................5
3. Operation Instructions...............................................6
3.1 Control Buttons......................................................6
3.2 Attaching the Cables...............................................7
3.3 Adjusting the Picture..................................................7
4. Input/Output Specification.......................................10
4.1 Input Signal Connector...........................................10
N
4.2 Factory Preset Display Modes..................................10
4.3 Panel Specification................................................11
5. Block Diagram........................................................13
5.1 Software Flow Chart............................................13
5.2 Electrical Block Diagram......................................15
ANY PERSON ATTEMPTING TO SERVICE THIS CHASSIS MUST FAMILIARIZE HIMSELF WITH THE
CHASSIS AND BE AWARE OF THE NECESSARY SAFETY PRECAUTIONS TO BE USED WHEN SERVICING
ELECTRONIC EQUIPMENT CONTAINING HIGH VOLTAGES.
CAUTION: USE A SEPARATE ISOLATION TRANSFOMER FOR THIS UNIT WHEN SERVICING

TABLE OF CONTENTS

Page
Description
6.Schematic.............................................................17
6.1 Main Board..........................................................17
6.2 Power Board.......................................................22
6.3 Key Board.........................................................25
7.PCB Layout...........................................................26
7.1 Main Board.........................................................26
7.2 Power Board.......................................................28
7.3 Key Board...........................................................29
8. Maintainability........................................................30
8.2 Trouble Shooting................................................30
10. Monitor Exploded View.....................................38
11. BOM List..............................................................39
12. Different Parts List.........................................49
SAFETY NOTICE
1
Fujitsu FA-156WB-MP
Horizontal Frequency
30kHz - 60kHz
Page

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  Summary of Contents for Fujitsu FA-156WB-MP

  • Page 1: Table Of Contents

    15.6”W LCD Color Monitor Fujitsu FA-156WB-MP Service Service Service Horizontal Frequency 30kHz – 60kHz TABLE OF CONTENTS Description Page Description Page 6.Schematic……………...........…17 Table Of Contents..……..……......…..1 6.1 Main Board.……...……..........17 Revision List.….....…….......……..2 6.2 Power Board..………..……........22 Important Safety Notice.………….......……..3 6.3 Key Board..…………….…….........25 1. Monitor Specifications.......………..4 7.PCB Layout..………………........26...
  • Page 2: Revision List

    15.6”W LCD Color Monitor Fujitsu FA-156WB-MP Revision List Revision Date Revision History TPV Model T6RMM5NCWXFBAN Dec.-17-08 Initial Release T6RMM5NCWXFYAN...
  • Page 3: Important Safety Notice

    15.6”W LCD Color Monitor Fujitsu FA-156WB-MP Important Safety Notice Proper service and repair is important to the safe, reliable operation of all AOC Company Equipment. The service procedures recommended by AOC and described in this service manual are effective methods of performing service operations.
  • Page 4: Monitor Specifications

    15.6”W LCD Color Monitor Fujitsu FA-156WB-MP 1. Monitor Specifications Driving system 15.6” wide TFT Color LCD Size 395mm diagonal LCD Panel Pixel pitch 0.252mm( H )x 0.252mm( V ) Video R,G,B Analog Interface Separate Sync. H/V TTL Input H-Frequency 30kHz – 60kHz...
  • Page 5: Lcd Monitor Description

    15.6”W LCD Color Monitor Fujitsu FA-156WB-MP 2. LCD Monitor Description The LCD monitor will contain a main board, a power board and a key board which house the flat panel control logic, brightness control logic and DDC. The power board will provide AC to DC Inverter voltage to drive the backlight of panel and the main board chips each voltage.
  • Page 6: Operating Instructions

    15.6”W LCD Color Monitor Fujitsu FA-156WB-MP 3. Operating Instructions General Instructions Press the power button to turn the monitor on or off. The other control buttons are located on the side of the monitor. By changing these settings, the picture can be adjusted to your personal preferences.
  • Page 7: Attaching The Cables

    15.6”W LCD Color Monitor Fujitsu FA-156WB-MP The Auto Adjustment function is used to optimized the HPos, VPos, Clock and Focus. OSD Lock Function: To lock the OSD, press and hold the MENU button while the monitor is off and then press power button to turn the monitor on.
  • Page 8 15.6”W LCD Color Monitor Fujitsu FA-156WB-MP The OSD Message Main Main Menu Sub Menu Sub Menu Menu Description Item Item Icon Icon Brightness Backlight Adjustment Contrast Contrast from Digital-register. Standard Standard Mode Text Text Mode Internet Internet Mode Game Game Mode...
  • Page 9 15.6”W LCD Color Monitor Fujitsu FA-156WB-MP Main Main Menu Sub Menu Sub Menu Menu Description Item Item Icon Icon Warm Recall Warm Color Temperature from EEPROM. Normal Recall Normal Color Temperature from EEPROM. Cool Recall Cool Color Temperature from EEPROM.
  • Page 10: Input/Output Specification

    15.6”W LCD Color Monitor Fujitsu FA-156WB-MP 4. Input/Output Specification 4.1 Input Signal Connector Pin No. Description Pin No. Description Green Ground Blue Ground Ground DDC-Serial Data Detect Cable H-Sync R-Ground V-Sync G-Ground DDC-Serial Clock B-Ground 15 - Pin Color Display Signal Cable 4.2 Factory Preset Display Modes...
  • Page 11: Panel Specification

    15.6”W LCD Color Monitor Fujitsu FA-156WB-MP 4.3 Panel Specification M156B1-L01 is a 15.6” TFT Liquid Crystal Display module with 2 CCFL Backlight unit and 30pin 1ch-LVDS interface. This module supports 1366 x 768 WXGA mode and can display up to 16.7M colors. The inverter module for Backlight is not built in.
  • Page 12 15.6”W LCD Color Monitor Fujitsu FA-156WB-MP 4.3.3 Electrical Characteristics TFT LCD Module: Back Light Unit:...
  • Page 13: Block Diagram

    15.6”W LCD Color Monitor Fujitsu FA-156WB-MP 5. Block Diagram 5.1 Software Flow Chart...
  • Page 14 15.6”W LCD Color Monitor Fujitsu FA-156WB-MP Remark: 1) MCU initializes. 2) Is the EPROM blank? 3) Program the EPROM by default values. 4) Get the PWM value of brightness from EPROM. 5) Is the power key pressed? 6) Clear all global flags.
  • Page 15: Electrical Block Diagram

    15.6”W LCD Color Monitor Fujitsu FA-156WB-MP 5.2 Electrical Block Diagram 5.2.1 Main Board Panel Interface Crystal 14.318MHZ (CN403) (X401) Scalar TSUM1PFR FLASH ROM Key Control SST25LF020A (Include ADC, OSD, MCU) Interface (U402) (CN401) (U401) D-Sub Connector (CN101)
  • Page 16 15.6”W LCD Color Monitor Fujitsu FA-156WB-MP 5.2.2 Power Board AC input Main Output 100V~240V Transformer VEMI filter Rectifier Board/Inverter Rectifier Circuit Power Switching IC Power Supply PWM Control IC Sense Resistor Sampling Photo Couple Transformer High Voltage Output Switching MOS...
  • Page 17: Schematic

    15.6”W LCD Color Monitor Fujitsu FA-156WB-MP 6. Schematic 6.1 Main Board 715G2904 2 2 TSUM1PFR-LF SCHEMATIC XGA/SXGA LVDS OUTPUT DSUB_R+ DSUB_R+ VCC1.8 DSUB_R- DSUB_R- DSUB_G+ DSUB_G+ VCC3.3 DSUB_G- DSUB_G- VCC1.8 DSUB_SOG DSUB_SOG CMVCC DSUB_B+ DSUB_B+ DSUB_5V DSUB_B- DSUB_B- VCC3.3 CMVCC1...
  • Page 18 15.6”W LCD Color Monitor Fujitsu FA-156WB-MP H_Sy nc R101 0R05 1/10W 5% R102 100R 1/16W 5% DSUB_H V_Sy nc R103 100R 1/16W 5% FB102 DSUB_V R104 C101 VGA_B+ DSUB_B+ VCC3.3 R105 R106 C102 C103 BEAD 2K2 1/16W 5% 2K2 1/16W 5% 100R 1/16W 5% 0.047uF...
  • Page 19 15.6”W LCD Color Monitor Fujitsu FA-156WB-MP AVDD VDDP VDDC VCC3.3 VDDP AVDD FB401 U401 VCC3.3 300OHM VCTRL VCTRL C403 C404 LVA3P 0.1uF/16V 0.1uF/16V DSUB_R+ RIN0P LVA3M DSUB_R- RIN0M PA[0..1] DSUB_G+ GIN0P PA[0..1] DSUB_G- GIN0M LVA2P DSUB_SOG SOGIN0 LVA2M DSUB_B+ BIN0P...
  • Page 20 15.6”W LCD Color Monitor Fujitsu FA-156WB-MP CN403 PA[0..1] PB[0..9] PA[0..1] PB[0..9] LVB0P LVB0M LVB1P LVB1M LVB2P LVB2M LVBCKP LVBCKM PA[4..9] LVB3P LVB3M PA[4..9] CONN VCC3.3 CMVCC R438 R443 PANEL_VCC 0R05 1/16W NC/0ohm AO3401L R434 C420 R433 R461 C419 330 OHM 1/4W 0.1uF/16V...
  • Page 21 15.6”W LCD Color Monitor Fujitsu FA-156WB-MP ESD_5V ESD_5V DSUB_5V DSUB_5V 5 CMVCC D403 D401 5, 6 CMVCC NC/BAT54C BAV99 VCC3.3 VCC3.3 CN404 VCC3.3 R437 R439 CMVCC1 SM340A D402 10K 1/16W 5% 10K 1/16W 5% CMVCC CMVCC1 CMVCC BKLT-EN VCC1.8 Q410...
  • Page 22: Power Board

    15.6”W LCD Color Monitor Fujitsu FA-156WB-MP 6.2 Power Board 715G2852 2 R918 100 OHM 1/4W L904 R919 +12V 1.0uH 100 OHM 1/4W C912 ZD902 0.001uF C930 RLZ13B R920 C922 R946 100 OHM 1/4W 470UF/25V 150 OHM 2W 0.1uF C917 C918...
  • Page 23 15.6”W LCD Color Monitor Fujitsu FA-156WB-MP CONN C839 T801 R821 1500PF/50V POWER X'FMR R817 1K 1/8W 10K 1/10W 1% CN801 R855 D805 15R 1/4W LL4148 C819 C801 F801 0.0022uF 30pF/3KV +12V 0 OHM 1/4W C802 R804 Q801 470UF/25V C824 R856...
  • Page 24 15.6”W LCD Color Monitor Fujitsu FA-156WB-MP +5V1 R602 10K 1/10W 5% C604 100uF/25V R603 10K 1/10W 5% C609 1uF/25V R601 10K 1/10W 5% CONN MUTE IC601 LOUT- SE/BTL LOUT- CN601 VOLUME LOUT+ R604 10K 1/10W 5% C601 0.47uF/16V LIN- LOUT+...
  • Page 25: Key Board

    15.6”W LCD Color Monitor Fujitsu FA-156WB-MP 6.3 Key Board 715G2835 1 LED_RED# LED_GRN# LED001 CN001 LBADC1 R002 2K OHM 1/4W LBADC2 DC_POWERON R003 0R05 1/10W 1% LED_GRN# LED_RED# C001 C002 C003 C004 C005 R004 2K OHM 1/4W R005 1K 1/10W 1% NC/0.001uF...
  • Page 26: Pcb Layout

    15.6”W LCD Color Monitor Fujitsu FA-156WB-MP 7. PCB Layout 7.1 Main Board 715G2904 2 2...
  • Page 27 15.6”W LCD Color Monitor Fujitsu FA-156WB-MP...
  • Page 28: Power Board

    15.6”W LCD Color Monitor Fujitsu FA-156WB-MP 7.2 Power Board 715G2852 2...
  • Page 29: Key Board

    15.6”W LCD Color Monitor Fujitsu FA-156WB-MP 7.3 Key Board 715G2835 1...
  • Page 30: Maintainability

    15.6”W LCD Color Monitor Fujitsu FA-156WB-MP 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. 8.2 Trouble Shooting 8.2.1 Main Board No power...
  • Page 31 15.6”W LCD Color Monitor Fujitsu FA-156WB-MP No picture (LED orange) No picture The button if under X401 oscillate Replace X401 waveform is normal control Check reset circuit of Check Correspondent component U401 is normal Check C423(+) =1.8V; U404 Vout=3.3V Replace U401...
  • Page 32 15.6”W LCD Color Monitor Fujitsu FA-156WB-MP White screen White screen Measure Q404 base X401 oscillate waveform is normal is low level? Replace X401 Check CN403 is solder Check reset circuit of and Q405 is OK U401 is normal Check Correspondent Check Correspondent component.
  • Page 33 15.6”W LCD Color Monitor Fujitsu FA-156WB-MP 8.2.2 Power Board No power Check AC line volt 110V or 220V Check AC input Check the voltage of C907 (+) Check bridge rectified circuit and F901 circuit Check start voltage for the pin3 of IC901...
  • Page 34 15.6”W LCD Color Monitor Fujitsu FA-156WB-MP No backlight Check C802=12V Check adapter and F801 Check ON/OFF signal Check main board Check IC801 PIN12=12V Change ON/OFF circuit Check IC801 PIN5 have triangle wave Change IC801 Check IC801 PIN9/PIN10 PWM wave Check IC801...
  • Page 35 15.6”W LCD Color Monitor Fujitsu FA-156WB-MP 8.2.3 Key Board OSD is unstable or not working Connect Key Pad Board Is Key Pad Board connecting normally? Replace Button Switch Is Button Switch normally? Is Key Pad Board Normally? Replace Key Pad Board...
  • Page 36: White-Balance, Luminance Adjustment

    15.6”W LCD Color Monitor Fujitsu FA-156WB-MP 9. White-Balance, Luminance Adjustment Approximately 30 minutes should be allowed for warm up before proceeding White-Balance adjustment. 1. How to do the Chroma-7120 MEM. Channel setting A. Reference to chroma 7120 user guide B. Use “SC” key and “NEXT” key to modify x,y,Y value and use “ID” key to modify the TEXT description.
  • Page 37 15.6”W LCD Color Monitor Fujitsu FA-156WB-MP 5. Adjust the GREEN on factory window until chroma 7120 indicator reached the value G=100 6. Adjust the BLUE on factory window until chroma 7120 indicator reached the value B=100 7. Repeat above procedure (item 4, 5, 6) until chroma 7120 RGB value meet the tolerance =100±2 D.
  • Page 38: Monitor Exploded View

    15.6”W LCD Color Monitor Fujitsu FA-156WB-MP 10. Monitor Exploded View...
  • Page 39: Bom List

    15.6”W LCD Color Monitor Fujitsu FA-156WB-MP 11. BOM List T6RMM5NCWXFBAN Location Part No. Description Remark 050G 600 2 HANDLE1 050G 600 3 HANDLE2 052G 1150 C INSULATING TAPE 052G 1185 1 BIG TAPE 052G 1186 SMALL TAPE 052G 1211 A CONDUCTIVE TAPE 55MM *45MM *0.08MM...
  • Page 40 15.6”W LCD Color Monitor Fujitsu FA-156WB-MP C426 067G 3151014KB EC 100UF M 25V 6.3*11 C427 067G 3151014KB EC 100UF M 25V 6.3*11 C421 067G 3151014KB EC 100UF M 25V 6.3*11 U401 056G 562557 IC TSUM1PFR-LF U404 056G 563512 IC G1117-33T43UF TO-252...
  • Page 41 15.6”W LCD Color Monitor Fujitsu FA-156WB-MP R439 061G0402103 RST CHIPR 10 KOHM +-5% 1/16W R436 061G0402104 RST CHIPR 100 KOHM +-5% 1/16W R410 061G0402121 RST CHIP 120R 1/16W 5% R414 061G0402121 RST CHIP 120R 1/16W 5% R458 061G0402203 RST CHIP 20K 1/16W 5%...
  • Page 42 15.6”W LCD Color Monitor Fujitsu FA-156WB-MP C111 065G0402509 31 CHIP 5PF 50V NPO FB402 071G 56K121 M CHIP BEAD FB401 071G 56V301 B CHIP BEAD FCM2012VF-301T07 BULLWILL FB101 071G 59K190 B 19 OHM BEAD FB102 071G 59K190 B 19 OHM BEAD...
  • Page 43 15.6”W LCD Color Monitor Fujitsu FA-156WB-MP C902 065G305M1022BP Y2 1000PF M 250VAC Y5P C900 065G306M3322BP 3300PF 20% C907 067G 40Z10115K CAP 105℃ 100UF M 450V C918 067G215B6814NV E.C 25V 680UF KY25VB680M-CC3 10*20MM C917 067G215B6814NV E.C 25V 680UF KY25VB680M-CC3 10*20MM C922 067G215D4714KV E.C 105℃...
  • Page 44 15.6”W LCD Color Monitor Fujitsu FA-156WB-MP Q811 057G 417511 MMBT3904 Q806 057G 417511 MMBT3904 Q801 057G 417511 MMBT3904 Q812 057G 417512 MMBT3906 Q804 057G 417512 MMBT3906 Q802 057G 600 55 P5506 HVG SO-8 Q809 057G 758 1 2N7002ESOT23 SILICONIX Q809...
  • Page 45 15.6”W LCD Color Monitor Fujitsu FA-156WB-MP R915 061G0805100 3F RST CHIPR 100KOHM +-1% 1/8W R804 061G0805101 1ST CHIPR 100 OHM +-5% 1/8W R826 061G0805102 RST CHIPR 1K OHM +-5% 1/8W R925 061G0805102 RST CHIPR 1K OHM +-5% 1/8W R939 061G0805102...
  • Page 46 15.6”W LCD Color Monitor Fujitsu FA-156WB-MP C834 065G0603104 22 CAP CHIP 0603 0.1UF K 25V X7R C819 065G0603222 22 CHIP 2200PF 25V X7R C823 065G0603222 22 CHIP 2200PF 25V X7R C601 065G0603474 12 MLCC 0603 0.47UF K 16V X7R C602 065G0603474 12 MLCC 0603 0.47UF K 16V X7R...
  • Page 47 15.6”W LCD Color Monitor Fujitsu FA-156WB-MP D903 093G 64S522SEM LL4148 D817 093G 64S522SEM LL4148 D814 093G 64S522SEM LL4148 D812 093G 64S522SEM LL4148 D807 093G 64S522SEM LL4148 CN901 006G 31500 EYELET IC903 056G 158 10 T IC AS431AZTR-E1 TO-92 IC903 056G 158 12...
  • Page 48 Q34G0273BDJA3B0130 BEZEL(L156W-8Q3) Q34G0274ABJE1B0100 REAR COVER15.6" Q40G 15N962 1B RATING LABEL Q44G5022101 Q44G5022201 Q44G5022962 1A 15.6W LCD FUJITSU CARTON Q45G 77 5 PE PACKING Q45G 88607 28 PE BAG FOR CLAMP/STAND Q45G 88609101 EPE COVER 041G 68623 1A CERTIFICATED CARD 045G 76 28 RN...
  • Page 49: Different Parts List

    15.6”W LCD Color Monitor Fujitsu FA-156WB-MP 12. Different Parts List Diversity of T6RMM5NCWXFYAN Compared with T6RMM5NCWXFBAN Location Part No. for TPV Description Remark E08902 089G 725HAA DB D-SUB CABLE 2nd source E08902 089G 725LAA DB D-SUB CABLE 2nd source E08901...