Buffalo FTD-W932HSR/BK Service Manual Download Page 9 | Manualshive

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19" LCD Color Monitor Buffalo FTD-W932HSR

9

4. Input/Output Specification

4.1 Input Signal Connector

D-SUB

DVI

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Summary of Contents for FTD-W932HSR/BK

Page 1: ...n Instructions 6 3 1 General Instructions 6 3 2 Control Button 6 3 3 Adjusting the Picture 7 4 Input Output Specification 9 4 1 Input Signal Connector 9 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 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...

Page 2: ...19 LCD Color Monitor Buffalo FTD G932HSR 2 Revision List Version Date Revision History Customer Model TPV Model FTD W932HSR WH T97HRHNJHTB1DN A00 Oct 11 08 Initial release FTD W932HSR BK T9RMRHNJAWB2DN ...

Page 3: ...ety characteristics may create shock fire or other hazards Under no circumstances should the original design be modified or altered without written permission from AOC AOC assumes no liability express or implied arising out of any unauthorized modification of design Servicer assumes all liability FOR PRODUCTS CONTAINING LASER DANGER Invisible laser radiation when open AVOID DIRECT EXPOSURE TO BEAM...

Page 4: ...19 LCD Color Monitor Buffalo FTD W932HSR 4 1 Monitor Specification ...

Page 5: ...ss 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 Video signal DDC Power Board Include adapter and inverter Flat Panel and CCFL backlight Main Board RS232 Connector For white balance adjustment in factory mode HOST Computer CCFT Drive AC IN 100V 240V Monitor Block Diagram Key board ...

Page 6: ...off The control buttons are located at front panel of the monitor By changing these settings the picture can be adjusted to your personal preferences The power cord should be connected Connect the video cable from the monitor to the video card Press the power button to turn on the monitor the power indicator will light up 3 2 Control Buttons ...

Page 7: ... sub menu functions Once the desired function is highlighted press MENU button to activate it Press or to change the settings of the selected function To exit and save select the exit function If you want to adjust any other function repeat steps 2 3 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 To un lo...

Page 8: ...19 LCD Color Monitor Buffalo FTD W932HSR 8 ...

Page 9: ...19 LCD Color Monitor Buffalo FTD W932HSR 9 4 Input Output Specification 4 1 Input Signal Connector D SUB DVI ...

Page 10: ...19 LCD Color Monitor Buffalo FTD W932HSR 10 4 2 Factory Preset Display Modes ...

Page 11: ...VDS interface This module supports 1440 x 900 WXGA mode and can display 16 7M colors The inverter module for Backlight is not built in FEATURES Super Wide viewing angle Super 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 3 1 Genera specifications ...

Page 12: ...19 LCD Color Monitor Buffalo FTD W932HSR 12 4 3 2 Electrical Characteristics TFT Module Back light 4 3 3 Optical Characteristics ...

Page 13: ...19 LCD Color Monitor Buffalo FTD W932HSR 13 5 Block Diagram 5 1 Software Flow 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: ...Turn on the LED and set it to green color Scalar initializes 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 request 14 Wake up the scalar 15 Are there any signals coming from analog port 16 Display No connection Check Signal Cable message And go into standby mode after the message disappears 1...

Page 15: ...iagram Main Board MCU RTD 2120L U401 Scalar IC RTD2525L Include ADC OSD U501 EEPROM M24C16 WMN6TP U403 D Sub Connector CN301 H sync V sync RGB EPR_SDA EPR_SCL LCD Interface CN601 Key Board Control CN202 Crystal X401 24MHZ 30PF 49U DVI Connector CN302 H sync V sync RGB ...

Page 16: ... Bridge Rectifier and Filter Start Circuit R904 R932 R933 PWM Control IC Transformer Feedback circuit Rectifier Diodes AC input 5V 12V ON OFF Control PWM Control IC Feedback Circuit OSC and Output DC Convert MOSFET Q802 Q803 Over Voltage protect Lamp ON OFF DIM CN902 ...

Page 17: ...2507 1 K 称爹 03 POWER G2507 1 K X 7 071109 OEM MODEL Size Rev Date Sheet of TPV MODEL PCB NAME 称爹 T P V Top Victory Electronics Co Ltd Key Component 絬隔瓜絪腹 LED_G 4 CMVCC CN202 CONN 1 2 3 4 5 6 Mute POWER_KEY 06 12 29 3 Change R207 R208 Value from 470ohm to 120ohm KEY0 4 C203 ZD203 NC 1 2 INV_ON 4 C205 0 1uF 16V R208 120R 1 16W LED_R FB202 NC ZD202 NC 1 2 Volume KEY1 4 C206 0 1uF 16V R210 10K 1 1...

Page 18: ...1 16W 5 DDC2_SCL 4 VGA_B C305 5pF 50V D302 BAV99 3 1 2 C306 0 047uF RTD_G C308 5pF 50V R313 100R 1 16W 5 R310 75R 1 16W 5 RX0N 5 RTD_B FB302 BEAD 1 2 RTD_G RTD_R 5 DSUB_5V C302 33pF R304 2K2 1 16W 5 DGND RX0N D312 UDZSNP5 6B R323 10R 1 16W 5 CMVCC DSUB_V 4 RXCN DDC2_SDA ZD302 UDZSNP5 6B 1 2 C311 0 047uF RX0P 5 C317 0 1uF 16V C301 0 047uF CN301 DB15 1 6 2 7 3 8 4 9 5 11 12 13 14 15 10 17 16 D315 UD...

Page 19: ... 3 KEY0 R416 10K 1 16W 1 FTD W932HS B 5 7 Thursday Nov ember 08 2007 715G2507 1 K 称爹 05 MCU RTD2120L G2507 1 K X 7 071109 OEM MODEL Size Rev Date Sheet of TPV MODEL PCB NAME 称爹 T P V Top Victory Electronics Co Ltd Key Component 絬隔瓜絪腹 MCU_VCC CMVCC R431 6K8 1 16W Closed to X tal MCU_VCC HPD_CTL 5 LED_G 2 DSUB_V1 R443 4K7 1 16W R429 0R05 1 16W CRYSTAR_OUT 06 11 03 INV_ON 2 DSUB_V MCU_VCC C402 1u...

Page 20: ... 120OHM RXE2 RXE1 RXEC RXO0 LVDS_E0 PPWR_ON G LVDS_E5 RXO2 RXE1 RXE0 LVDS_O0 RXO0 RXOC RXOC LVDS Panel FFC Type RXEC 07 01 04 Add R606 NC CMVCC LVDS_O9 LVDS_O 0 9 5 RXO1 LVDS_E9 RXE3 C602 0 01uF 25V RXE0 LVDS_E3 RXO2 2 3 RXO2 S RXE2 CN601 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 Realtek Semiconductor Corp 1 FTD W932HS A 7 7 Thursday Nov ember 08 2007 715G250...

Page 21: ...XO0 TXO0 RTD_B 3 RXCP 3 1 FTD W932HS B 6 7 Friday Nov ember 09 2007 715G2507 1 K 称爹 06 RTD2525L G2507 1 K X 7 071109 OEM MODEL Size Rev Date Sheet of TPV MODEL PCB NAME 称爹 T P V Top Victory Electronics Co Ltd Key Component 絬隔瓜絪腹 RXO1 LVDS_O0 C502 NC RXO2 LVDS_O1 RTD_H C501 0 1uF 16V RXE3 R1 8DVCC LVDS_E1 RTD_SCLK 4 RXCN 3 DDC2_SCL 4 RX0N 3 RX2P R1 8DVCC1 LVDS_O8 RTD_V 3 RXE2 RXE2 LVDS_E6 RXO3 ...

Page 22: ...19 LCD Color Monitor Buffalo FTD W932HSR 22 6 2 Power Board ...

Page 23: ...19 LCD Color Monitor Buffalo FTD W932HSR 23 ...

Page 24: ...19 LCD Color Monitor Buffalo FTD W932HSR 24 ...

Page 25: ...2K 1 10W R003 0R05 1 10W 5 LED_RED MENU SGND 1 8K SGND C009 NC 0 1uF ZD001 NC UDZS5 6B SGND C006 NC 0 1uF SW002 SW 2 1 3 4 5 C005 NC 0 001uF LED_RED POWER LED_GRN LED_GRN 1 8K SGND ZD005 NC UDZS5 6B LBADC2 C002 NC 0 001uF DOWN CN001 CONN 1 2 3 4 5 6 SGND ZD002 NC UDZS5 6B C001 NC 0 001uF DOWN 1 042V UP SW001 SW 2 1 3 4 5 OK UP LBADC1 SGND SGND LED C008 NC 0 1uF C004 NC 0 001uF SW003 SW 2 1 3 4 5 C...

Page 26: ...19 LCD Color Monitor Buffalo FTD W932HSR 26 7 PCB Layout 7 1 Main Board 715G2507 2 K ...

Page 27: ...19 LCD Color Monitor Buffalo FTD W932HSR 27 ...

Page 28: ...19 LCD Color Monitor Buffalo FTD W932HSR 28 7 2 Power Board ...

Page 29: ...19 LCD Color Monitor Buffalo FTD W932HSR 29 7 3 Key Board ...

Page 30: ...o FTD W932HSR 30 8 Maintainability 8 1 Equipments and Tools Requirement 1 Multi meter 2 Oscilloscope 3 Pattern Generator 4 DDC Tool with and Compatible Computer 5 Alignment Tool 6 LCD Color Analyzer 7 Service Manual 8 User Manual ...

Page 31: ...wer key and look if the picture is normal Please reinsert and make sure the AC of 100 240 is normal Reinsert or check the power section X401 oscillate waveforms are normal Measure U201 Pin2 3 3V OK OK NG NG NG Replace U201 or check the power board Check U401 Replace X401 OK NG Replace U501 Replace U401 OK NG ...

Page 32: ...G NG Measure U201 PIN2 3 3V Replace U201 X401 oscillate waveforms are normal Replace X401 Check if the sync signal CN301 from computer is output and video cable is connected normally Input the sync signal of computer or change the cable Replace U501 NG OK OK NG Check U401 Replace U401 ...

Page 33: ...base is low level X401 oscillate waveform is normal Check Correspondent component Replace Panel Check Correspondent component Replace U501 OK OK Replace X401 OK NG NG NG NG Check reset circuit of U501 is normal OK Check Q602 Q601 is broken or CN601 solder Check U401 OK Replace U401 NG ...

Page 34: ... the voltage of C905 Check bridge rectified circuit and F901 circuit Check start voltage for the pin3 of IC901 Check R904 R932 R933 Change IC901 NG Check the auxiliary voltage is bigger than 10V and smaller than 20V 1 Check IC901 2 Check R909 D901 C908 circuit OK OK NG Check Q901 D903 IC903 ZD921 ZD922 Q903 OK Check IC901 pin8 PWM wave OK Check IC901 NG NG NG OK NG ...

Page 35: ...ace board or main board NG OK Check IC801 PIN12 12V NG OK Change ON OFF circuit Check IC801 PIN5 have triangle wave NG OK Change IC801 Check IC801 PIN9 PIN10 PWM wave NG OK Check IC801 Check Q802 Q803 Drain wave NG Check the output of T801 T802 Change Q802 Q803 Check connecter lamp feedback and protect circuit OK NG Change T801 T802 OK ...

Page 36: ...2HSR 36 8 2 3 Key Board OSD is unstable or not working Is Key Pad Board connecting normally Connect Key Pad Board Is Button Switch normally Replace Button Switch Y N N Is Key Pad Board normally Replace Key Pad Board Y N Y Check Main Board ...

Page 37: ...0 Y 180 30cd m2 D MEM CHANNEL 10 sRGB color sRGB color temp parameter is x 313 20 y 329 20 Y 180 30cd m2 3 Into Factory mode of FTD W932HS Press the MENU button pull out the power cord and then plug the power cord Then press the F to open the factory OSD 4 Bias adjustment Set the Contrast to 50 Adjust the Brightness to 90 5 Gain adjustment Move cursor to F and press MENU key A Adjust Warm 6500K co...

Page 38: ... 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 Adjust sRGB color temperature 1 Switch the chroma 7120 to RGB Mode with press MODE button 2 Switch the MEM channel to Channel 10 with up or down arrow on chroma 7120 3 ...

Page 39: ...19 LCD Color Monitor Buffalo FTD W932HSR 39 10 Monitor Exploded View ...

Page 40: ...1 5W 260mm 43X18mm SUNLINK 2nd source E08904 089G 17356G555 AUDIO CABLE E08904 089G 17356H555 AUDIO CABLE 1800MM 2nd source E08902 089G 728GAB DB D SUB CABLE 2nd source E08902 089G 728HAB DB D SUB CABLE E08903 089G1748GAB AC DVI SIGNAL CABLE 2nd source E08903 089G1748HAB AC DVI CABLE E08907 089G179J30N 9 FFC CABLE 2nd source 089G401C18NISA POWER CORD E09502 095G8014 6W692 wire harness 6P 6P 160MM ...

Page 41: ...35315F H D SUB 15PIN CN302 088G 35424F N DVI 24PIN CONN F 附螺丝 X401 093G 22 45 H 24MHZ 30PF 49US U402 056G 158501 IC AS431AN E1 SOT23 U501 056G 562180 IC RTD2525LH GR QFN 48 U201 056G 585 4A IC AP1117E33L 13 U401 056G1125701 X IC MCU RTD2120L LF REALTEK U403 056G1133 56 M24C16 WMN6TP Q202 057G 417 4 PMBS3904 PHILIPS SMT 04 Q401 057G 417 4 PMBS3904 PHILIPS SMT 04 Q204 057G 417 6 PMBS3906 PHILIPS SMT...

Page 42: ...61G0402101 RST CHIPR 100 OHM 5 1 16W R433 061G0402101 RST CHIPR 100 OHM 5 1 16W R434 061G0402101 RST CHIPR 100 OHM 5 1 16W R435 061G0402101 RST CHIPR 100 OHM 5 1 16W R442 061G0402101 RST CHIPR 100 OHM 5 1 16W R508 061G0402101 RST CHIPR 100 OHM 5 1 16W R509 061G0402101 RST CHIPR 100 OHM 5 1 16W R408 061G0402101 RST CHIPR 100 OHM 5 1 16W R409 061G0402101 RST CHIPR 100 OHM 5 1 16W R410 061G0402101 RS...

Page 43: ...472 RST CHIPR 4 7 KOHM 5 1 16W R443 061G0402472 RST CHIPR 4 7 KOHM 5 1 16W R444 061G0402472 RST CHIPR 4 7 KOHM 5 1 16W R445 061G0402472 RST CHIPR 4 7 KOHM 5 1 16W R451 061G0402472 RST CHIPR 4 7 KOHM 5 1 16W R605 061G0402472 RST CHIPR 4 7 KOHM 5 1 16W R405 061G0402472 RST CHIPR 4 7 KOHM 5 1 16W R406 061G0402472 RST CHIPR 4 7 KOHM 5 1 16W R407 061G0402472 RST CHIPR 4 7 KOHM 5 1 16W R604 061G0402473 ...

Page 44: ...AP 0402 1UF K 10V X5R C412 065G0402105 A5 CAP 0402 1UF K 10V X5R C404 065G0402224 17 CAP CER 0 22UF 20 80 C302 065G0402330 31 CHIP CAP 0402 33pF J 50V NPO C303 065G0402330 31 CHIP CAP 0402 33pF J 50V NPO C301 065G0402473 12 CHIP 0 047uF 16V X7R C304 065G0402473 12 CHIP 0 047uF 16V X7R C306 065G0402473 12 CHIP 0 047uF 16V X7R C307 065G0402473 12 CHIP 0 047uF 16V X7R C309 065G0402473 12 CHIP 0 047uF...

Page 45: ... 093G 39S 34 T UDZSNP5 6B ROHM ZD303 093G 39S 34 T UDZSNP5 6B ROHM ZD304 093G 39S 34 T UDZSNP5 6B ROHM ZD305 093G 39S 34 T UDZSNP5 6B ROHM ZD307 093G 39S 34 T UDZSNP5 6B ROHM D403 093G 64S522SEM LL4148 715G2507 2 K MAIN BOARD PCB FR 4 D S 56X80MM KEPC7QD5 KEY BOARD G2528 1 X X 2 070523 CN001 033G3802 6H WAFER 6P RIGHT ANGLE PITCH 2 0 SW003 077G 600 1GCJ TACT SWITCH TSPB 2 NP SW002 077G 600 1GCJ TA...

Page 46: ...115N EC CAP 105 度 100UF 450V C940 067G215V102 3N EC CAP 105 度 1000UF M 16V NCC C939 067G215V102 3N EC CAP 105 度 1000UF M 16V NCC C915 067G215V471 3N GP KY16VB470M CC3 10 12 5 C922 067G215V471 4N 470UF 20 25V C803 067G215V471 4N 470UF 20 25V C802 067G215V471 4N 470UF 20 25V L901 073G 174 76 LP LINE FILTER L903 073G 253191 LP CHOKE COIL 1 1uH L904 073G 253191 LP CHOKE COIL 1 1uH T901 080GL17T 33 NP ...

Page 47: ... 8 Q903 057G 417 4 PMBS3904 PHILIPS SMT 04 Q811 057G 417 4 PMBS3904 PHILIPS SMT 04 Q807 057G 417 4 PMBS3904 PHILIPS SMT 04 Q806 057G 417 4 PMBS3904 PHILIPS SMT 04 Q801 057G 417 4 PMBS3904 PHILIPS SMT 04 Q804 057G 417 6 PMBS3906 PHILIPS SMT 06 Q812 057G 417 6 PMBS3906 PHILIPS SMT 06 Q809 057G 759 2 RK7002 Q808 057G 760 4B PDTA144WK SOT346 Q805 057G 760 5B PDTC144WK SOT346 Q802 057G 763 14 AM9945N Q...

Page 48: ...0603150 1F RST CHIPR 1 5 KOHM 1 1 10W R816 061G0603150 1F RST CHIPR 1 5 KOHM 1 1 10W R861 061G0603220 3F RST CHIPR 220KOHM 1 1 10W R930 061G0603243 1F RST CHIPR 2 43K OHM 1 1 10W R940 061G0603330 2F RST CHIPR 33K OHM 1 1 10W R927 061G0603360 1F RST CHIPR 3 6K OHM 1 1 10W R851 061G0603360 2F RST CHIPR 36 KOHM 1 1 10W R823 061G0603470 2F RST CHIPR 47 KOHM 1 1 10W R863 061G0603470 2F RST CHIPR 47 KOH...

Page 49: ...01 RST CHIPR 100 OHM 5 1 4W R962 061G1206101 RST CHIPR 100 OHM 5 1 4W R941 061G1206102 RST CHIPR 1k OHM 5 1 4W R944 061G1206102 RST CHIPR 1k OHM 5 1 4W R945 061G1206102 RST CHIPR 1k OHM 5 1 4W R946 061G1206102 RST CHIPR 1k OHM 5 1 4W R912 061G1206221 RST CHIPR 220 OHM 5 1 4W R920 061G1206301 RST CHIPR 300 OHM 5 1 4W R919 061G1206301 RST CHIPR 300 OHM 5 1 4W R918 061G1206301 RST CHIPR 300 OHM 5 1 4...

Page 50: ...05102 31 CAP CHIP 0805 1000PF J 50V NPO C838 065G0805102 31 CAP CHIP 0805 1000PF J 50V NPO C932 065G0805102 32 CHIP 1000P 50VX7R 0805 C928 065G0805102 32 CHIP 1000P 50VX7R 0805 C930 065G0805104 32 CAP CHIP 0805 0 1uF K 50V X7R C924 065G0805104 32 CAP CHIP 0805 0 1uF K 50V X7R C916 065G0805104 32 CAP CHIP 0805 0 1uF K 50V X7R C907 065G0805104 32 CAP CHIP 0805 0 1uF K 50V X7R C824 065G0805104 32 CAP...

Page 51: ...RIVET IC904 056G 158 12 KIA431A AT P TO 92 C938 065G 1K152 1T 1 5NF 1KV Z5F 10 C906 065G 2K152 1T6921 1 5NF 2KV Y5P 10 C104 067G 2151014NT 100UF C908 067G 2152207NT KY50VB22M TP5 5 11 C108 067G215Y1097NT EC 1 0uF 50V KY50VB1M TP5 5 11mm J810 071G 55 9 T FERRITE BEAD FB102 071G 55 9 T FERRITE BEAD FB901 071G 55 29 FERRITE BEAD F901 084G 56 4W FUSE 4 0A 250V F903 084G 56 4W FUSE 4 0A 250V D901 093G ...

Page 52: ...CKING Q45G 88606 16 R PE BAG FOR CLAMP Q45G 88607 34 PE BAG FOR BASE Q45G 88607 72 pe bag E08907 S89G179T30N9 FFC CABLE 089F80002203AG 1 0 30 2 5 220 3 0 65 0 05 033F303FH10BK3 F1010HA 30P BK 033F303FJSHK30 1 0S 19 30A Q41G9002894 1A manual Q45G2007M0101A PE BAG 040G 581689 4A BARCODE LABEL FOR 1 ...

Page 53: ...902 089G 728HAA DB D SUB CABLE E08903 089G1748GAA AC SIGNAL CABLE DVI GREATLAND 2nd source E08903 089G1748HAA AC DVI CABLE 089G401A18NISA SP 18C IS14 0Q1G 930 14 47 CR3 SCREW 705GQ734125 STAND BASE ASS Y 19 A34G0289 GM 1B STAND A34G0290 GM 1B 33 BASE 7S7 AM1G1740 12 47 CR3 SCREW A33G0171 GM 1L KEY BUTTON A33G0173 GM 1L 32 CABLE CLAMP A34G0287 GMC2B 30 BEZEL L19WA 7K2 A34G0288 GM 1B REAR COVER 19 A...

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