Buffalo BU1715 Скачать руководство пользователя страница 18 | Manualshive

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Buffalo BU1715

18

5.3 Electrical Block Diagram

5.3.1 Scaler Board Block

Diagram

MCU

MTV512MV

(U601)

Scalar TSU16AK PQFP-128

(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)

OSD Control

KEY PAD

20MHz

CRYSTAL

14.318MHz

CRYSTAL

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Содержание BU1715

Страница 1: ...MENTS ARE FOR REPAIR SERVICE INFORMATION ONLY EVERY REASONABLE EFFORT HAS BEEN MADE TO ENSURE THE ACCURACY OF THIS MANUAL WE CANNOT GUARANTEE THE ACCURACY OFTHIS INFORMATION AFTER THE DATE OF PUBLICAT...

Страница 2: ...4 3 Power Supply Requirements 11 4 4 Panel Specification 12 5 Block Diagram 15 5 1 Monitor Exploded View 15 5 2 Software Flow Chart 16 5 3 Electrical Block Diagram 18 6 Schematic Diagram 21 6 1 Main B...

Страница 3: ...Buffalo BU1715 3 Revision List Revision Date Change Description A00 Jul 18 05 Initial release...

Страница 4: ...V Frequency 55Hz 75Hz Display Colors 16 2M Colors Dot Clock 135MHz max Max Resolution 1280 x 1024 Plug Play VESA DDC2BTM ON Mode 39W EPA ENERGY STAR OFF Mode 2W Audio output Rated Power 1 2 W rms Per...

Страница 5: ...ess 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 Monitor Block Diagram Video signal DDC Power boar...

Страница 6: ...U Button 1 Enter the OSD sub menu 2 Select the OSD menu Open OSD menu 3 Left Arrow Button 1 Move the cursor to left 2 Adjust down when menu item selected Open Bright menu 4 Right Arrow Button 1 Move t...

Страница 7: ...tton may back previous menu 6 Repeat steps 2 5 to adjust an additional item or select the EXIT button to return to previous menu The description for control function Main Menu Item Sub Menu Item Sub M...

Страница 8: ...ng Blue Gain from Digital register Volume Audio adjustment Sound Mute Audio prohibition OSD language OSD language selection English or Japanese OSD H Position Adjust the horizontal position of the OSD...

Страница 9: ...Signal Connector PIN NO Description PIN NO Description 1 Red 9 5V 2 Green 10 Detect Cable 3 Blue 11 NC 4 Ground 12 DDC Serial Data 5 Ground 13 H Sync 6 R Ground 14 V Sync 7 G Ground 15 DDC Serial Cloc...

Страница 10: ...6 N 70 069 N 75 000 1024x768 75Hz 1312x800 60 023 P 75 029 P 78 750 XGA 1024x768 72Hz 1304x798 57 7 P 72 P 78 4 1024x768 75Hz 1326x804 60 2 P 75 P 80 MAC 1152x870 75Hz 1456x915 68 7 P 75 P 100 1152x86...

Страница 11: ...0 3Hz 3 Input Voltage transients 280 volts AC for 10 sec 40 4 Current 1 5A max at 100V 0 8A max at 240 V 5 Peak surge current 60A peak at 240 VAC and cold starting 30A peak at 120VAC and cold starting...

Страница 12: ...Buffalo BU1715 12 4 4 Panel Specification 4 4 1 Panel Feature 4 4 2 General Characteristics...

Страница 13: ...Buffalo BU1715 13 4 4 3 Optical Characteristics...

Страница 14: ...Buffalo BU1715 14 4 4 4 Parameter Guider Liner For CCFL Inverter Backlight Unit...

Страница 15: ...Buffalo BU1715 15 5 Block Diagram 5 1 Monitor Exploded View...

Страница 16: ...Buffalo BU1715 16 5 2 Software Flaw 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...

Страница 17: ...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 there any signals coming 13 Does the scalar send out an interrupt requ...

Страница 18: ...rd Block Diagram MCU MTV512MV U601 Scalar TSU16AK PQFP 128 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 Inte...

Страница 19: ...Buffalo BU1715 19 5 3 2 Inver Power Board Block Diagram Inverter Block Diagram...

Страница 20: ...Buffalo BU1715 20 Power Block Diagram...

Страница 21: ...Wednesday October 06 2004 Title Size Document Number Rev Date Sheet of PB 0 9 VLCD B3 6 MCU onBACKLITE onPANEL_5V 3 3V SDA INT CSZ DDC_DAT ST_DET1 SCL HWRESET DDC_CLK Volume VCC5V VCC12V VCPU RXD TXD...

Страница 22: ...263 R211 10K 1 16W R203 1K 1 16W C216 0 1uF C204 220uF 25V VAA2 4 R209 0 1 16W FB201 NC GND U202 AIC1084 33M 3 1 2 VIN ADJ VOUT C215 47uF 16V VCC1 8 4 VCC5V R205 4 7K 1 16W H1 SCREW3 2RM 1 2 3 4 5 6 7...

Страница 23: ...3 1 2 D320 TZMC5V6 GS08 C307 0 001uF C301 NC C306 0 047uF VGA_CON R309 100 1 16W R305 68 1 16W R326 75 1 16W R330 NC FB303 0 1 16W SOG 4 GNDG 4 GNDB 4 R301 33 1 16W D321 TZMC5V6 GS08 R318 10K 1 16W D...

Страница 24: ...9 5 AD1 6 R402 VCC3 3 HSYNC 3 U401 TSU16AK 63 60 61 58 62 59 57 37 38 40 41 43 44 46 47 49 50 52 66 67 69 70 71 32 72 73 74 107 55 35 45 3 51 11 21 84 94 104 114 126 18 87 97 117 39 56 36 2 54 42 10...

Страница 25: ...9 21 23 LVBCKP RXO0 LVA3M PB5 RXE0 RXO1 C510 0 1uF LVACKM RXO1 RXE3 RXO3 LVA2M PB4 LVB1P RXE0 RXEC RXE1 PB 0 9 4 LVA0M LVBCKM LVA3M RXE1 RXEC LVBCKM RXO3 LVB2M R502 0 1 16W LVA3P LVBCKP PA9 PA 0 9 PB8...

Страница 26: ...12 17 NC XTAL1 XTAL2 RESET INT0 P3 2 INT1 P3 3 T0 P3 4 P5 0 P5 1 P5 2 P5 3 P5 4 P5 5 P5 6 P5 7 P1 0 P1 1 P1 2 P1 3 P1 4 P1 5 P1 6 P1 7 P6 0 P6 1 P6 2 P6 3 P6 4 P6 5 P6 6 P6 7 P7 7 P7 6 CLKO VSYNC ALE...

Страница 27: ...Sheet of R930 100 1 4W GND IC903 HTL431 C911 0 001uF 2 5V C922 1000uF 16V F901 FUSE CN901 SOCKET 1 2 3 R918 10K 1 4W C909 0 1uF GND C920 0 001uF 500V C936 0 1uF R919 0 39 2W L903 C904 0 47uF 250V R912...

Страница 28: ...1DTC 1OUT GND Vcc 2OUT 2DTC 2FBK 2IN 2IN SCP REF R211 15K Q206 MPS3904 Q203 SI4431DY T1 4 8 5 6 7 3 2 1 Q209 2SC5706 1 2 3 TP2 HVO 1 L202 L R205 47K R220 15K C215 22pF 6KV C209 1uF 25V PT201 POWER X...

Страница 29: ...0 47uF C201 470uF 16V PIN 3 GND R211 5 6K R210 5 6K CN204 33L8022 3A H FEMALE 1 2 3 C213 0 1uF C210 1 0uF GND R212 220K GND C203 0 1uF GND C212 100 pF R201 10K GND CN203 WAFER 4P2 0 R A 1 2 3 4 U201...

Страница 30: ...03 CONN 1 2 KEY_SEL SW103 POWER_ KEY SPKR_L CN101 CONN 2 4 6 8 10 12 1 3 5 7 9 11 LED_GRN GND SPKR_R CN104 CONN 1 2 GND SPKR_R R101 510 R102 510 GND SPK L LED_GRN SPKR_L KEY_MANU LED_ORANGE LED_ORANGE...

Страница 31: ...Buffalo BU1715 31 7 PCB Layout 7 1 Main Board...

Страница 32: ...Buffalo BU1715 32...

Страница 33: ...Buffalo BU1715 33 7 2 Power Board...

Страница 34: ...Buffalo BU1715 34...

Страница 35: ...Buffalo BU1715 35...

Страница 36: ...Buffalo BU1715 36 7 3 Audio Board 7 4 KEPC BOARD...

Страница 37: ...Buffalo BU1715 37 8 Maintainability 8 1 Tools And Requirement 1 Voltmeter 2 Oscilloscope 3 Pattern Generator 4 LCD Color Analyzer 5 Service Manual 6 User Manual...

Страница 38: ...Connected the Signal cable again Check LED status Replace U601 No nothing is show Connected the Signal cable again Check Power switch is in Power on status and check if Power switch had been stuck Le...

Страница 39: ...5 V OK Replace Power board Re do white balance Measured the inverter connector CN102 Pin 1 on off control 5V on Pin 2 PWM signal control dim 0V 5V Replace U601 OK Check R207 should have response from...

Страница 40: ...Button Switch normally Replace Button Switch Y N N Is Key Pad Board normally Replace Key Pad Board Y N Y Check Main Board NG Measured X401 waveform is normal Check TSU16AK U401 Signal output PIN102 1...

Страница 41: ...k AC line volt 120V or 220V NG Change F901 check BD901 Q903 and IC901 Check the voltage of C905 Check R906 R907 IC901 Check start voltage for the pin3 of IC901 NG Check the auxiliary voltage is smalle...

Страница 42: ...age of C905 NG OK Check the pin1 of U201 have saw tooth wave NG OK Change U201 Check D201 D202 has the output of square wave at short time NG OK Check Q205 Q207 Q203 D201 or Q206 Q208 Q204 D202 Check...

Страница 43: ...or to Auto Level and press MENU key to adjust Gain and Offset automatically And change to the full white pattern a Adjust Color1 93000 K color temperature 9 Switch the chroma 7120 to RGB mode with pre...

Страница 44: ...rameter is x 313 y 329 Y 180 20 cd m2 4 In sRGB sub menu adjust C to 85 adjust L to 100 5 Adjust the RED on OSD window until chroma 7120 indicator reached the value R 100 6 Adjust the GREEN on OSD unt...

Страница 45: ...56 BF EF 80 61 4C 81 80 71 4F 81 40 81 8A 48 81 4C 01 01 01 01 30 2A 00 98 51 00 2A 40 30 70 64 13 00 51 0E 11 00 00 1E D5 09 80 A0 20 5E 63 10 80 10 60 52 08 51 0E 11 00 00 1A 00 00 00 FD 00 38 96 4B...

Страница 46: ...800894 3A INSTALL MANUAL 1 PCS 44G3739624 1A CARTON 1 PCS 44G3750 1 EPS 1 PCS 44G3750 2 EPS 1 PCS 45G 76 28 V3 PE BAG FOR MANUAL 1 PCS 45G 88607 PE BAG FOR MONITOR 1 PCS 50G 600 2 HANDLE1 1 PCS 50G 60...

Страница 47: ...05101 31 CHIP 100PF 50V NPD 0805 1 PCS C212 65G0805101 31 CHIP 100PF 50V NPD 0805 1 PCS C203 65G0805104 32 CHIP 0 1U 50V X7R 1 PCS C213 65G0805104 32 CHIP 0 1U 50V X7R 1 PCS C204 65G0805474 22 CHIP 0...

Страница 48: ...62 86 TSU16AK PQFP 128 BY MST 1 PCS U202 56G 563 7 AIC1084 33PM 1 PCS U201 56G 563 31 AI1117D 1 8 EI 1 PCS U301 56G1133 34 M24C02 WMN6TP 1 PCS U602 56G1133 56 M24C16 WMN6TP 1 PCS U601 56L1125543AWT MT...

Страница 49: ...PCS R624 61L0603102 RST SM 0603 RC0603 1K P 1 PCS R640 61L0603102 RST SM 0603 RC0603 1K P 1 PCS R202 61L0603103 RST SM 0603 RC0603 10K 1 PCS R204 61L0603103 RST SM 0603 RC0603 10K 1 PCS R208 61L060310...

Страница 50: ...R647 61L0603223 CHIPR 22K OHM 5 1 10 1 PCS R301 61L0603330 CHIPR 33 OHM 5 1 10W 1 PCS R302 61L0603330 CHIPR 33 OHM 5 1 10W 1 PCS R303 61L0603330 CHIPR 33 OHM 5 1 10W 1 PCS R403 61L0603390 0F CHIP 390...

Страница 51: ...65G0603104 32 CHIP 0 1UF 50V X7R 1 PCS C313 65G0603104 32 CHIP 0 1UF 50V X7R 1 PCS C401 65G0603104 32 CHIP 0 1UF 50V X7R 1 PCS C404 65G0603104 32 CHIP 0 1UF 50V X7R 1 PCS C406 65G0603104 32 CHIP 0 1U...

Страница 52: ...R 1 PCS C308 65G0603473 32 CHIP 0 047UF 50V X7R 1 PCS C309 65G0603473 32 CHIP 0 047UF 50V X7R 1 PCS C310 65G0603473 32 CHIP 0 047UF 50V X7R 1 PCS C206 65G0805105 22 CHIP 1UF 25V X7R 0805 1 PCS C611 65...

Страница 53: ...S DP101 81G 12 1 GP GP32032ME 1 PCS CN102 88G 30211K PHONE JACK 5PIN 1 PCS 715L1222 B PCB 1 PCS R101 61G 60251152T 510 OHM 5 1 6W 1 PCS R102 61G 60251152T 510 OHM 5 1 6W 1 PCS PW7425A3M2SMT POWER BOAR...

Страница 54: ...1 PCS L203 73G 174 30YSA FILTER 1 PCS L204 73G 174 30YSA FILTER 1 PCS L903 73G 253 91 H CHOKE COIL 1 PCS L904 73G 253 91 H CHOKE COIL 1 PCS L201 73G 253139LSL CHOKE COIL 1 PCS L202 73G 253139LSL CHOKE...

Страница 55: ...1 PCS R930 61L1206101 CHIP 100 OHM 5 1 4W 1 PCS R915 61L1206103 CHIP 10KOHM 5 1 4W 1 PCS R901 61L1206105 CHIP 1MOHM 5 1 4W 1 PCS R902 61L1206105 CHIP 1MOHM 5 1 4W 1 PCS R904 61L1206105 CHIP 1MOHM 5 1...

Страница 56: ...1 5MM RIVET 4 PCS PT201 6G 31502 1 5MM RIVET 2 PCS PT202 6G 31502 1 5MM RIVET 2 PCS T901 6G 31502 1 5MM RIVET 4 PCS 715L1243 2 PCB VER B 1 PCS R917 61G 17210052T 100HM 5 1 4W 1 PCS R243 61G 17210252T...

Страница 57: ...FERRITE BEAD D9X3 5X0 1 PCS FB901 71G 55 29 FERRITE BEAD 1 PCS ZD902 93G 39 5452T HZ12B2 E 1 PCS ZD903 93G 39 7752T HZ5C1 E 1 PCS D901 93G 6026T52T RECTIFIER DIODE FR107 1 PCS D902 93G 6038T52T FR103...

Страница 58: ...01 87T 501 12 CJ AC SOCKET 1 PCS 95T205S354022 HARNESS 1 PCS 96T 29 6 SHRINK TUBE UL CSA 20 MM 90G6064 1 HEAT SINK 1 PCS D912 93G 60217 FMB 29L 1 PCS D910 93G 60239 FME 210B T0 220 1 PCS M1G1730 8128...

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