Acer AL708 User Manual Download | Manualshive

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7. NECESSARY EQUIPMENT LIST

Item

1

Personal Computer with Windows 98 or above version

2

Luminance Meter Minolta CA 110

3

Video Gnerator : Chroma 2000,2135,2250 or equivalent

4

Colour Analyzer : Minolta , Chroma or equivalent

5

Watt / Power Meter

6

10 Times Magnifier

L7EA (AL708)

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Summary of Contents for AL708

Page 1: ...AL INFORMATION 2 SPECIFICATIONS 3 THEORY OF OPERATION 4 DISASSEMBLY INSTRUCTIONS 5 CONTROL LOCATION 6 NECESSARY EQUIPMENT LIST 7 BLOCK DIAGRAM 8 CONDUCTOR VIEW 9 SCHEMATIC DIAGRAM 10 TROUBLE SHOOTING HINTS 11 REPLACEMENT PARTS LIST 12 SPARE PARTS LIST 13 L7EA AL708 ...

Page 2: ...he associated transfomer circuits 3 POWER SUPPLY REQUIREMENTS The external powr converter for this display utilizes AC and DC cords AC cord is detachable but DC cord is permanently attached Any attempt to replace another adapter could result in serious problem on the display 4 LEAKAGE CURRENT HOT CHECK 4 1 Plug the AC cord directly into the AC outlet Do not use an isolation transformer during this...

Page 3: ...1 DIMENSIONS 1 unit mm Front Side Rear Side L7EA AL708 1 1 ...

Page 4: ...1 DIMENSIONS 2 unit mm Base Unit Side View L7EA AL708 1 2 ...

Page 5: ...SD 5 Languages function is excellent and new man machine interface Anyone is able to set up the picture as he like through OSD menu 2 3 Self Test function Self Testing picture comes out by pushing special key in the case of no connection with computer or power saving operation This function shows if monitor is alive or not and can be used for self aging test 2 4 Ergonomic design Low emission desig...

Page 6: ...AL SPECIFICATIONS 2 1 Dimension Height 418 mm 16 5 Width 408 mm 16 Depth 183 mm 7 2 2 2 Net Weight 5 6 kg 12 4 lbs 2 3 Maximum Viewable Area Diagonal 432 mm 17 3 PANEL SPECIFICATIONS 4 CONNECTORS 4 1 AC inlet CEE22 typed connector CN6 DB15HD 1 6 2 7 3 8 4 9 5 11 12 13 14 15 10 16 17 J1 PHONEJACK STEREO 1 2 3 PIN MNEMON SIGNAL 1 RV Red Video 2 GV Green Video 3 BV Blue Video 4 NC None 5 GND Ground D...

Page 7: ...tts Green Standby 5 Watts Amber Off 5 Watts Input voltage 90 240 Volts Power frequency 50 60 Hz 3 Input current 0 5 A Inrush current 1 A Power 50 Watts Display area 338 x 270 mm Video signal level 0 7 Vpp Contrast Max Brightness Max Ambient 20 5 C degrees Input voltage AC 120 60Hz Warming up time 30 minutes Display mode 1280 x 1024 Fv Fh mode Resolution Hz KHz 1 IBM VGA 720 x 400 70 31 46 2 VESA 6...

Page 8: ...i D Sub 15P connectors at both ends Length 1 5 meter 11 RELIABILITY 11 1 MTBF for completed unit without LCD 30 000 hours demonstrated MTBF 11 2 MTBF for LCD The brightness is still more than 50 of the original brightness after 25 000 hours min Operation Storage and Shipment Tempera ture 0 40 C 20 60 C Humidit 5 90 5 90 Altitude 3000m 12000m Value 250 cd m2 at center of the display area Specified ...

Page 9: ...iple ADC PLL high sacling engine OSD controller and on chip microcontroller a Clock Generation Crystal Input Clock TCLK and XTAL This is the input pair to an internal crystal oscillator and corresponding logic A 14 318 MHz crystal is recommended b Hardware Reset Pin 5 Hardware Reset signal is generated by MAX6326 U10 It assert a reset signal at least 100 ms c Analog to Digital Converter The gm2120...

Page 10: ...ansmitted in parallel with the data streams over a fifth LVDS link At a transmit clock frequency of 85 MHz 24 bits of RGB data and 3 bits of LCD timing and control data FPLINE FPFRAME DRDY are transmitted at rate of 595 Mbps per LVDS data channel U1 AS the ODD pixel transmitter U2 as the EVEN pixel transmitter Pin Number Pin Name Pin Usage 40 GPIO0 PWM0 Backlight control 41 GPIO1 PWM1 Volume contr...

Page 11: ... x R30 R30 R36 3 3 4 2 Audio Board AN7522 U1 The AN7522 is a 2 channel audio power amplifier capable of delivering 2W of continuous average power to an 8 ohms with less than 0 5 THD from a 12 V power supply An7522 can directly drive 8 ohms speaker does not require output coupling capacitor bootstrap capacitor or snubber network Audio line in are feed into pin 6 8 of the AN7522 The output power is ...

Page 12: ...on describled as below INPUT Rated Input Voltage 90 240 Vac 50 60 Hz Operation Input Voltage 90 260 Vac 47 63 Hz Input Current 1 5A Inrush Current Cold Start 100A 120Vac Standby Input Power 1 5 W at 120Vac OUTPUT Rated Output Voltage 12 Vdc Output Voltage Regulation 10 5 Output Ripple and Noise 600 mVp p Rate Output Current 4 16A Turn on Delay 1 Second L7EA AL708 4 4 ...

Page 13: ...rge screw 1 from the rear cover 2 remove the rear cover 3 remove four screw 2 4 remove the stand 2 ESD cover removal 1 remove four screw 3 2 remove the ESD cover 3 MB board removal 1 remove four screw 4 2 remove the MB board 1 1 1 1 2 2 2 2 3 3 3 3 4 4 4 4 L7EA AL708 5 1 ...

Page 14: ...removal 1 remove two screw 5 2 remove the Inverter board 6 Panel module removal 1 remove four screw 6 2 remove the Panel module 7 Panel removal 1 remove four screw 7 2 remove the Panel 5 5 6 6 6 6 7 7 7 7 L7EA AL708 5 2 ...

Page 15: ...comfortable with You may need to readjust brightness after the display is warmed up Contrast Press the l and l buttons to adjust the contrast of the screen Sel Power MENU To power on and off the display power status indicator LED 1 To step down the parameter 2 volume To increase level of selected item Selected or change function To display main menu or off 1 To step up the parameter 2 volume To de...

Page 16: ...e up and down Horizontal position Press the l and l button to move image left and right The Auto function configures the vertical and horizontal position for you Language Press the l and l buttons to change the OSD language display setting L7EA AL708 6 2 ...

Page 17: ...Personal Computer with Windows 98 or above version 2 Luminance Meter Minolta CA 110 3 Video Gnerator Chroma 2000 2135 2250 or equivalent 4 Colour Analyzer Minolta Chroma or equivalent 5 Watt Power Meter 6 10 Times Magnifier L7EA AL708 7 ...

Page 18: ...8 L7EA AL708 BLOCK DIAGRAM 1 Video L7EA AL708 8 1 ...

Page 19: ...8 L7EA AL708 BLOCK DIAGRAM 2 Audio L7EA AL708 8 2 ...

Page 20: ...8 L7EA AL708 BLOCK DIAGRAM 3 Power L7EA AL708 8 3 ...

Page 21: ...9 CONDUCTOR VIEW 1 3 MB board L7EA AL708 ...

Page 22: ...Audio board Button board L7EA AL708 ...

Page 23: ... 3 Input Connector Title Size Document Number Rev Date Sheet of R69 22 6 C155 0 1u 6 1 2 GND GND HS 4 VGA_5V C112 0 01u 6 C109 0 01u 6 GND C156 0 1u 6 1 2 GREEN 4 Quanta Computer Inc PROJECT L7E VGA_SDA R62 22 6 VGA INPUT CONNECTOR C114 0 01u 6 R72 510 6 C144 0 1u 6 CN6 DB15HD 1 6 2 7 3 8 4 9 5 11 12 13 14 15 10 16 17 R97 100 6 D2 5 6V 1 3 RED 4 U9 NC7WZ14P6 NS SC70 6 1 2 5 3 4 6 A1 GND VCC A2 Y2 ...

Page 24: ...PLL VDD_DPLL_3 3 AVDD_SDDS VDD_SDDS_3 3 AVDD_DDDS VDD_DDDS_3 3 AVSS_SDDS AVSS_DDDS HSYNC VSYNC RVSS RVSS RVSS RVSS RVSS RVSS RVSS RVSS RVSS CVSS CVSS CVSS CVSS GND1_ADC GND2_ADC GND_RX2 GND_RX1 GND_RX0 VSS_DPLL VSS_SDDS VSS_DDDS N C ADC_TEST PD6 ER6 PD7 ER7 PD10 EG2 PD11 EG3 PD12 EG4 PD13 EG5 PD14 EG6 PD15 EG7 PD33 OG1 PD32 OG0 PD18 EB2 PD19 EB3 PD20 EB4 PD21 EB5 PD22 EB6 PD23 EB7 PD17 EB1 PD16 EB...

Page 25: ...p 4 1 2 R98 22 8 1 2 C194 0 1u 8 1 2 C28 15p 4 1 2 LCD_ON OFF DBRED0 GPIO21 IRQn 4 GPIO10 4 Q2 DTC144EUA NS 2 3 1 C54 15p 4 1 2 OB6 EB1 L19 CX000800000 1206 NS 1 2 DBRED4 C49 15p 4 1 2 C45 15p 4 1 2 OR3 DAGRN3 R92 22 8 1 2 OR7 DBRED2 DBGRN2 DBBLU0 C196 12p 6 R12 47K 6 GPIO0 PWM0 4 GPIO9 4 OB0 DARED3 C141 12p 6 DABLU0 C86 15p 4 1 2 C132 12p 6 Q8 DTC144EUA 2 3 1 DBBLU4 R15 0 8 1 2 OB2 DARED5 C21 0 1...

Page 26: ... LVDSGND PLLVCC PLLGND PLLGND GND GND GND GND GND V V V V TXIN27 TXIN21 TXIN22 TXIN23 TXIN24 TXIN25 TXIN26 TXOUT3 TXOUT3 C182 0 1u 6 1 2 DARED5 TXODD0 TXEVEN1 DAGRN 0 7 5 DBGRN3 DAGRN0 C19 0 1u 6 EVEN DBGRN5 GND DBBLU3 R31 47K 6 TXODDC DISP_CLK LCDVCC TXEVEN2 DAGRN5 1200mA max DABLU3 DBBLU0 L2 CX000800000 1206 DABLU 0 7 5 TXODD2 DABLU3 DABLU2 TXEVEN1 C16 0 1u 6 GND DHS DBRED0 TXODD1 C18 0 1u 6 C4 ...

Page 27: ...1 2 C136 0 1u 6 1 2 GND D7 1SS355 C134 1n 6 1 2 R112 1K 6 5V GND C149 0 1u 6 1 2 C138 2200p 6 1 2 C142 0 1u 8 1 2 2 5V L17 R6H6 3Ts 1 2 DISPLAY POWER 7 7 Friday May 24 2002 A 7 Power Title Size Document Number Rev Date Sheet of L18 CX000800000 1206 R117 47 6 U12 AIC1563 1 2 3 4 5 6 7 8 DC DE CF GND FB VCC IS BOOST U5 LT1117 TO223 1 2 3 ADJ GND VOUT VIN GND 0 8A Max R104 3K 6 1 U6 LT1117 TO223 1 2 ...

Page 28: ...ument Number Rev Date Sheet of MENU SW1 HDK632A 1 3 2 4 POWER green SW3 HDK632A 1 3 2 4 1 H2 MTH276D126 2 3 4 5 6 7 8 9 SW6 HDK632A 1 3 2 4 orange SW2 HDK632A 1 3 2 4 LED1 EL 209 2EGW A1 C A2 SW4 HDK632A 1 3 2 4 SW7 HDK632A 1 3 2 4 DOWN 1 H1 MTH276D126 2 3 4 5 6 7 8 9 SELSE SW5 HDK632A 1 3 2 4 LEFT CN1 4401 10 10P R L7EA AL708 10 6 ...

Page 29: ...N2 4606 04 04P R 1 2 3 4 U1 AN7522 6 8 4 9 10 2 12 5 1 7 3 11 INL INR OUT_L VOLUME OUT_R OUT_L OUT_R STBY VCC GND GND GND 12V AUDIO CONTENT 2 2 Friday May 24 2002 A SCHEMATIC Title Size Document Number Rev Date Sheet of L2 600 CX601T02001 1 2 SPEAKER OUT C6 220P 6 1 2 12V C8 10U 35V Z0416 AGND CN3 4607 07 07P R 1 2 3 4 5 6 7 AGND SPKOUTL R7 10K 6 1 2 R2 20k 6 1 2 AGND R9 68K 6 1 2 AGND PC AUDIO IN...

Page 30: ...11 TROUBLE SHOOTING HINTS 1 No Power 2 No Characters Missing one Color L7EA AL708 12 1 ...

Page 31: ...3 No Audio L7EA AL708 12 2 ...

Page 32: ... CAPACITOR CHIP 0 1u 25V 20 X7R 0805 C6 C7 CH12206J901 CAPACITOR CHIP 220P 50V 5 NPO 0603 C8 C9 CC61006MD32 CAP ELEC 10U 50V 20 105C 5 7 LESR C2 C3 CC74704MD88 CAP ELEC 470U 25V 20 105C 10 12 5 LESR Q1 BA144EUAZ04 TRANSISTOR SMD DTC144EUA 50V 30MA U1 AL007522D03 IC 12P AN7522 DIP DALM7QAB2E0 PCB AUDIO LM7Q AUB 2L 70 40 REVE 13 REPLACEMENT PARTS LIST 2 Button board Symbol PARTS NO Descripition CN1 ...

Page 33: ...10W 5 0603 R52 R66 R67 R75 R81 R83 R127 R140 R141 R143 R35 CS24703J900 RES CHIP 4 7K 1 10W 5 0603 R39 R42 CS22003J909 RES CHIP 2K 1 10W 5 0603 R93 R112 R118 R119 CS21003J906 RES CHIP 1K 1 10W 5 0603 R103 CS21003F904 RESISTOR CHIP 1K 1 10W 1 0603 R62 R69 R77 R86 R88 CS11003J904 RESISTOR CHIP 100 1 10W 5 0603 R91 R95 R97 R102 R106 R37 R38 R40 R41 R43 CS02203J902 RES CHIP 22 1 10W 5 0603 R44 R45 R46 ...

Page 34: ...IP 2200P 50V 10 X7R 0603 C134 CH21006K917 CAP CHIP 1000P 50V 10 X7R 0603 C21 C142 C143 C194 CH41004MA14 CAPACITOR CHIP 0 1u 25V 20 X7R 0805 C1 C2 C3 C4 C105 CH31006K919 CAP CHIP 0 01U 50V 10 X7R 0603 C109 C112 C114 C130 C131 C146 CH11206J908 CAPACITOR CHIP 120P 50V 5 NPO 0603 C102 C107 CH00506J904 CAPACITOR CHIP 5P 50V 5 NPO 0603 C99 C104 CH04706J902 CAPACITOR CHIP 47P 50V 5 NPO 0603 C84 C91 CH033...

Page 35: ...9 TRANSISTOR MOSFET SI9435DY 30V 5 1A Q13 BAM9410YZ02 TRANSISTOR MOSFET SI9410DY 30V 7A Q1 Q14 BAN70020T04 TRANSISTOR MOSFET 2N7002 60V 0 115A Q8 Q11 BA144EUAZ04 TRANSISTOR SMD DTC144EUA 50V 30MA Q7 BA039040Z01 TRANSISTOR SMD MMBT3904 40V 200mA Q9 BA039060Z01 TRANSISTOR SMD MMBT3906 40V 200mA U9 U14 AL07WZ14002 IC 6P NC7WZ14P6X TINYLOGIC SC70 6 U12 AL001563001 IC 8P AIC1563CS SOP8 U4 AKE1A8S0J07 I...

Page 36: ...REV3B Bezel 9 42L7ESBTN07 L7EA STAND BASE ASSY Stand assembly 10 EALM7006023STAND BASE L7EA EALM7006 REV3C 11 EAL7E002030 LCD COVER L7EA EAL7E002 REV3D Rear cover 12 HAL7E002013 PE BAG L7E HAL7E002 REV3C 13 HBL7E001018 END CAP R L7E HBL7E001 REV3A 14 HBL7E002014 END CAP L L7E HBL7E002 REV3A 15 HDL7E003012 MANUAL L7EA HDL7E003 REV3A 16 HFL7E003014 CARTON L7EA HFL7E003 REV3A 17 DM333180103 POWER COR...

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