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AL512/AL513 Service Manual 

 

 

-2-

 

9/20/2002 

 

2. SERVICE TOOL & EQUIPMENT REQUIRED 

 

1. SIGNAL GEN. 
2. MULTIMETER 
3. OSCILLOSCOPE 
4. SCREW DRIVER 
5. IRON 
6. ABSORBER 
7. SOLDER 
8.  DUMMY LOAD (5ohm/200W) 

 
 

3. SPECIFICATIONS 

 

3.1. PRODUCT SPECIFICATIONS 

 

LCD Panel 

15.0" TFT 

 
 

Power Management 

Energy Star compliant VESA 

  

DPMS 

compatible 

  

3W 

 
 

Displayable Resolution 

XGA 1024× 768 (max.) 

 
 

Pixel Dimension 

0.297× 0.297mm 

 
 

LCD Display Color 

16.7M Color Max. (8bit) 

 
 Viewing 

Angle 

CR

10 

  

Horizontal: 

-60°~+60° 

  

Vertical: 

-55°~+45° 

 
 Tilt 

+90°, 

-5° 

 
 

Contrast Ratio 

200 : 1 (min.) 
350 : 1 (typ.) 
 

 Brightness 

200cd/ 

m

(min.)

 

250 cd/m

(typ.)

 

 
 

Response Time 

Tr: 13 ms Tf: 27ms (typ.) 

 
 

Active Display Area 

304.1mm× 228.1mm 

 
 

Temperature 

Operating: 0°C ~ +40°C 

 

 

Storage: -20°C ~ +60°C 

 

Compliance 

UL, CSA , DHHS, TÜV, CE, FCC-B, VDE-B, Energy Star. 

 
 

Power 

Input Voltage: 100~240 Vac 

 

 

Consumption: W/O Audio 30Watts (Max.) 

 

 

W/H Audio 35 Watts (Max.) 

                 Audio 

1Watt(L) + 1Watt(R) 

 
 

Summary of Contents for AL512

Page 1: ...INPUT 9 6 2 MVZ 10 6 3 MCU 11 6 4 OUTPUT CONNECTOR 12 6 5 Panel_Power 13 6 6 Audio except for AL513 14 6 7 AC DC Power 15 7 WORKING THEOREM 16 8 WIRING DIAGRAM 17 9 PCB LAYOUT 18 25 9 1 MAIN PCB TOP VIEW 18 9 2 MAIN PCB BOTTOM VIEW 19 9 3 CON PCB TOP VIEW 20 9 4 CON PCB BOTTOM VIEW 21 9 5 AUDIO IN PCB TOP VIEW 22 9 6 AUDIO IN PCB BOTTOM VIEW 23 9 7 POWER PCB TOP VIEW 24 9 8 POWER PCB BOTTOM VIEW 2...

Page 2: ...ower cable immediately and consult your service technician Always unplug the monitor before cleaning it Clean the cabinet with a clean dry cloth Apply non ammonia based cleaner onto the cloth not directly onto the glass screen Keep the monitor away from magnetic objects motors TV sets and transformer Do not place heavy objects on the monitor or power cord 1 2 PRODUCT SAFETY NOTICE Many electrical ...

Page 3: ... Resolution XGA 1024 768 max Pixel Dimension 0 297 0 297mm LCD Display Color 16 7M Color Max 8bit Viewing Angle CR 10 Horizontal 60 60 Vertical 55 45 Tilt 90 5 Contrast Ratio 200 1 min 350 1 typ Brightness 200cd m2 min 250 cd m2 typ Response Time Tr 13 ms Tf 27ms typ Active Display Area 304 1mm 228 1mm Temperature Operating 0 C 40 C Storage 20 C 60 C Compliance UL CSA DHHS TÜV CE FCC B VDE B Energ...

Page 4: ... Vs Width 0 064ms 0 064ms 0 086ms 0 080ms 0 057ms V Border 0 222ms 0 254ms 0 000ms 0 000ms 0 000ms H V Sync Interlace No No No No No ITEM 6 7 8 9 10 TIMING 800 600 60Hz 800 600 72Hz 800 600 75Hz 832 624 74 5Hz 1024 768 60Hz Pixel Rate 40 000MHz 50 000MHz 48 500MHz 57 280MHz 65 000MHz H TOTAL 26 400us 20 800us 21 333us 20 112us 20 677us H DISPLAY 20 000us 16 000us 16 162us 14 525us 15 754us H B Por...

Page 5: ... 599ms 12 795ms V B Porch 0 513ms 0 466ms Vs Width 0 106ms 0 050ms V Border 0 000ms 0 000ms H V Sync Interlace No No 3 3 D SUB CONNECTOR D SUB 15 PIN CONNECTOR SIGNAL LEVEL CONNECTOR SIGNAL DESCRIPTION R RED 0 7vp p VIDEO G GREEN 0 7vp p VIDEO B BLUE 0 7vp p VIDEO H H SYNC TTL positive or negative V V SYNC TTL positive or negative SDA DDC1 2B TTL SCL DDC1 2B TTL 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15...

Page 6: ...IO IN PCB ASS Y I O CABLE 1F24 X2 P984 1F20 1F25 X2 1F22 1F23 1F01 1F03 1F04 1F05 1F05 1F06 1F02 W601 1F06 AUDIO PCB ASS Y 9S61 9H61 5B02 5B04 X4 X2 5B15 X4 5B01 5B08 X3 5B07 5B05 5B06 MAIN PCB ASS Y KEYPAD PCB ASS Y 1F30 X2 1F11 U901 V901 1F09 X4 1F09 X4 1F07 X3 1F08 X2 1F10 X9 1F10 1F14 1F15 X4 P983 FIG 2 1F18 FIG 5 X4 1F17 FIG 3 1F12 1F13 X2 1F21 1F26 FIG 4 NOTE 2 1F19 1F16 X4 5B08 5B09 MPRⅡ TC...

Page 7: ...L FITTG L355 SECC t 0 8 1 1F21 2085730082 SCREW B OTW SCREW B OTW M3X8 2 1F22 2085740082 SCREW B OTW SCREW B OTW M4X8 1 1F23 2085740082 SCREW B OTW SCREW B OTW M4X8 1 1F24 2080002300 SCREW SPE L355 M3 8 DH NICKEL PLATED 2 1F25 2082730062 SCREW BND M3X6 BND 2 AL512 Only 1F26 2074191000 HOLDER JK1461 JEAN 1 1F30 2084730062 SCREW BND T M3X6 BND T 2 2C01 2022259110 CABI BACK BACK ABS 94V0 860027 1 MPR...

Page 8: ... 4x16 SWRM 3 ZMC2 C 3 TCO99 5B09 2085740202 SCREW B OTW PM4 20 1 TCO99 Only 5B15 2084740082 SCREW BND T M4X8 BND T 4 9H01 2072258100 HEAT SINK AL 6063S t 1 5mm 2 9H61 2072250100 HEAT SINK A6063S T5 1 AL512 Only 9R81 2429150100 TUBE SILICON JT156D2 TO 220ST 0 4mm 1 9S01 2105250700 SPRING PLATE SUS 301 1 9S02 2084730082 SCREW BND T M3X8 BND T 1 9S03 2084730082 SCREW BND T M3X8 BND T 4 9S61 208473010...

Page 9: ... High Volt CPH1 STH1 LP INV1 INV2 POL STV1 CPV MRT MASCOT VZ I001 LCD CONTROLLER ADC SCALAR T CON DC DC for PANEL POWER VCOM 3 6V VDDG 18V VEEG 6V VDDA 9 2V VDDD 3 3V BLT_ON DC_EN AUDIO AMP I601 TDA7053A TDA7057 VOLUMN CONTROL AUDIO IN BRIGHTNESS I100 24LC16B EEPROM OPTION EDID I2C BUS 15 inch LCD MONITOR BLOCK DIAGRAM OSC 12MHZ X101 I108 AIC1341 Q105 Q106 Q107 Q108 Q114 Q115 I103 I104 I110 5V to ...

Page 10: ...22 C106 VPORT D110 NC D107 NC C110 150pF C108 VPORT R105 10K NC C107 VPORT L103 32 R110 150 L102 32 R103 22 R102 75 1 R101 75 1 C113 0 1u R107 100 P108 8 PIN SOCKET C105 VPORT S703 S701 S704 S705 C172 VPORT P701 8 HEADER 2mm 1 2 3 4 5 6 7 8 S702 D701 C101 0 1u C102 0 1u J101 CONN RCPT 13 1 2 3 4 5 6 7 8 9 10 11 12 13 1 2 3 4 5 6 7 8 9 10 11 12 13 C100 NC C103 0 1u I101C 74LVC14 5 6 I101B 74LVC14 3...

Page 11: ...149 148 147 146 145 144 143 142 141 140 139 138 137 136 135 134 133 132 131 130 129 128 127 126 125 124 123 122 121 16 DIBVDD CAP_HREF CAP_HSYNC CAP_VSYNC DIBVSS BLU_INB_0 BLU_INB_1 BLU_INB_2 BLU_INB_3 BLU_INB_4 BLU_INB_5 BLU_INB_6 BLU_INB_7 DCVDD GRN_INB_0 GRN_INB_2 GRN_INB_3 GRN_INB_4 GRN_INB_5 GRN_INB_6 GRN_INB_7 DCVSS RED_INB_0 RED_INB_1 UV1 RED_INB_2 RED_INB_3 RED_INB_4 RED_INB_5 RED_INB_6 RE...

Page 12: ...6 24 25 26 27 28 29 30 31 19 18 32 33 13 11 44 22 23 34 1 12 EA VP X1 X2 RESET INT0 P3 2 INT1 P3 3 T0 P3 4 T1 P3 5 P1 0 T2 P1 1 T2EX P1 2 P1 3 P1 4 P1 5 P1 6 P1 7 AD0 P0 0 AD1 P0 1 AD2 P0 2 AD3 P0 3 AD4 P0 4 AD5 P0 5 AD6 P0 6 AD7 P0 7 A8 P2 0 A9 P2 1 A10 P2 2 A11 P2 3 A12 P2 4 A13 P2 5 A14 P2 6 A15 P2 7 P3 7 RD P3 6 WR PSEN ALE P3 1 TXD P3 0 RXD VCC VSS P4 0 P4 1 INT3 P4 2 INT2 P4 3 I112 LT1117CST...

Page 13: ... INV1 2 INV2 2 VDDA 5 CPH1 2 VCOM J105 CON50 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 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 J106 CON50 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 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 CP09 33PX4 1 5 2 6 3 7 4 8 CP10 33PX4 1 5 2 6 3 7 4 8 C283 0 1...

Page 14: ...L111 33uH C307 220uF 16V R205 21K 1 0603 R212 3K3 1 0603 C308 100uF 16V R211 12K 0603 C312 22nF 0603 R209 5K6 0603 R210 110 0603 R217 1K 0603 R215 1 47K 1 0603 I108 AIC1341 SMD 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 Phase Ugate SD VCC SS FB2 Vin2 Gate2 GND GATE3 FB3 COMP1 FB1 OCSET Pgnd Lgate R20736K R218 20K5 1 0603 R216 1 15K 1 0603 I109 TL431A R213 3 3K 0603 C314 10uF 50V R219 3K3 1 0603 Q106 C...

Page 15: ...G2 R611 4K7 R601 10K C608 4700p C612 4700p R609 10K R608 4K7 L601 2UH L607 2UH C601 1uF R607 100 R610 100 C611 1uF Q601 2SC945 NC 1 2 3 P604 2mm pitch 1 2 3 R612 15K NC R604 10K NC R613 4 7K NC P601 P_JACK 2 3 1 4 5 L609 2UH C605 104 P603 2 5mm pitch 1 2 3 R603 180K R602 15 3W C602 1000uF 16V R605 15 3W R606 3K R604 390 P602 pitch 2mm 1 2 3 L608 2UH C613 47uF 16V NC C607 NC C609 NC L605 2UH L603 2...

Page 16: ...A 250V C819 1000P 50V T801 L 1 2mH 9 3 5 6 1 2 7 8 11 10 12 C814 1500uF 10V R804 430K 3W 1 2 Q801 NC C801 0 22uF 275V C808 47uF 50V 1 2 C809 100n 50V 1 2 C823 4700pF 250Vac 1 2 C811 NA 1 2 R807 JUMPER R812 2K43K 1 C824 0 22uF 275V R814 2K2 1 L804 15UH R815 120 1W C816 NC P802 S5B XH A 5P P 2 5 1 2 3 4 5 C815 1500uF 10V 1 2 R817 1K L802 Bead T3 5x0 8x9 D806 15V D807 6 8V R806 3K48 1 R810 20K 1 R813...

Page 17: ...uffers that allows support to a wide range of LCD panels The scalar implements four advanced display technologies 1 Sampling RGB input signals by fully integrated triple channel ADC PLL and pre amplifier 2 Automatically calibrate for vertical and horizontal alignment to center display and phase calibration 3 High quality advanced scaling Enhanced and adaptive scaling algorithm for optimal image qu...

Page 18: ...NVERTER PCB JP2 TO GND JP1 JP3 P802 P983 SPK L I O CABLE SPK R W601 AUDIO IN PCB P981 P986 2202119400 VER 0 06 DATE 11 23 90 I601 P603 P607 P602 P602 2202119500 P601 AUDIO PCB P604 BRN AC SOCKET ASS Y N BLU L KEYPAD PCB P985 8 J103 1 1 J101 13 J105 1 I105 3 1 J109 J106 I001 50 1 5 J107 1 5 J110 50 1 J108 1 5 MAIN PCB P961 AL512 ONLY ...

Page 19: ...AL512 AL513 9 20 2002 18 9 1 MAIN PCB TOP VIEW 9 PCB LAYOUT ...

Page 20: ......

Page 21: ...AL512 AL513 9 20 2002 20 9 3 CON PCB TOP VIEW ...

Page 22: ......

Page 23: ...9 5 AUDIO IN PCB TOP VIEW AL512 AL513 9 20 2002 22 ...

Page 24: ......

Page 25: ...9 7 POWER PCB TOP VIEW AL512 AL513 9 20 2002 24 ...

Page 26: ......

Page 27: ...rt 5V on C101 I101 is Failed 5V on C314 C319 9 2V on C308 18V on F102 Check 3 4V Q107 C315 I108 Check D804 D807 I801 I802 I803 D801 F801 Replace I101 Check Q101 I107 Q114 Check L111 D203 I108 Q106 Check Q108 I109 F102 N Y Y N N N N Y Y Y 6V on F103 Check D201 D202 F103 C302 Q105 I106 N Y ...

Page 28: ... is green or dark Check uP I105 Reset is Ok No Change I105 Yes Check Reset circuit Q113 D113 No Yes Press 1 key if OSD menu is on display Yes Check Keypad pcb is OK No Check if Inverter is Ok Yes Change Inverter No Check I001 MVZ if RST Pin 155 have reset pulse Check uP I105 pin 24 send reset pulse No Yes Check X101 Crystal 12MHz is working Change X101 No Yes Yes Check J105 J106 data bus have sign...

Page 29: ...me Control Pin 1 7 Voltage 0 4 0 85V Adjust OSD Volume control to Max and Check Pin 1 7 Voltage 0 4V Check Q010 Collector has PWM output No Check R602 R605 is OK Check if Speaker is OK Check if I601 Pin 4 Vp 12V No Yes No Yes Change I601 TDA7057AQ Yes Yes Yes Earphone no sound Yes ...

Page 30: ... and white balance adjustments C Signals reference the front detail specifications and timing table Video reference the front detail specifications 1 Adjustment of V com Voltage A Timing 1024x768 60Hz B Pattern The picture of Shut down windows or Full screen pixel ON OFF pattern C Adjust R124 to let the center of the screen no flash 2 Eeprom Initial A Timing 1024x768 60Hz B Pattern Cross hatch C S...

Page 31: ...or to 9300K at factory mode and press 2 key and then check the color temperature is x 0 283 0 03 y 0 298 0 03 4 Geometry A Pattern Cross hatch B Change each mode on the timing table in turns and excute the Auto Adjust function on the OSD menu then all the data of the each mode will be auto saved after finish the Auto Adjust function C Until all of modes are agjusted press 1 to exit OSD menu and sw...

Page 32: ...0603 V05A INPAQ C107 2364000296 DIODE SPEC EGA 1 0603 V05A INPAQ C108 2349900996 CAP CHIP SPEC 0603VPORT 10P 10 INPAQ C109 2346410496 CAP CHIP 85 C 1608Y5V 0 100UF 50V Z C110 2341115196 CAP CHIP 125 C 1608COG 150 000PF 50V J C111 2341133096 CAP CHIP 125 C 1608COG 33 000PF 50V J C112 2346410496 CAP CHIP 85 C 1608Y5V 0 100UF 50V Z C113 2346410496 CAP CHIP 85 C 1608Y5V 0 100UF 50V Z C114 2333322601 C...

Page 33: ...996 CAP CHIP SPEC 0603VPOR T 10P 10 I C209 2346410496 CAP CHIP 85 C 1608Y5V 0 100UF 50V Z C212 2346410496 CAP CHIP 85 C 1608Y5V 0 100UF 50V Z C214 2336610601 CAP MINI ELE 105 C 10uF 50V 5 7 P 2 0 C215 2336610601 CAP MINI ELE 105 C 10uF 50V 5 7 P 2 0 C216 2336610601 CAP MINI ELE 105 C 10uF 50V 5 7 P 2 0 C217 2336610601 CAP MINI ELE 105 C 10uF 50V 5 7 P 2 0 C218 2336610601 CAP MINI ELE 105 C 10uF 50...

Page 34: ... I105 RB 2365920396 IC DIGITAL SMD W78E62BP 40 WINBOND PLCC44 I105 RC 2365923796 IC DIGITAL SMD SM2965C40J SYNCMOS 44LPLCC I106 RA 2365307391 IC LINEAR TL431CLP MOTOROLA I106 RB 2365321991 IC LINEAR KA431AZTA FAIRCHILD I108 2365807296 IC LINEAR SMD AIC1341CS AIC SO16 I109 RA 2365307391 IC LINEAR TL431CLP MOTOROLA I109 RB 2365321991 IC LINEAR KA431AZTA FAIRCHILD I110 RA 2365307391 IC LINEAR TL431CL...

Page 35: ...9 2379380006 BEAD HI IMPEDANCE 1608 Z 80ohm 200MHz L150 2379380006 BEAD HI IMPEDANCE 1608 Z 80ohm 200MHz L151 2379380006 BEAD HI IMPEDANCE 1608 Z 80ohm 200MHz L152 2379380006 BEAD HI IMPEDANCE 1608 Z 80ohm 200MHz L153 2379380006 BEAD HI IMPEDANCE 1608 Z 80ohm 200MHz L154 2379380006 BEAD HI IMPEDANCE 1608 Z 80ohm 200MHz L155 2379380006 BEAD HI IMPEDANCE 1608 Z 80ohm 200MHz L156 2379380006 BEAD HI I...

Page 36: ... J T1608 R092 2253200096 RES CHIP 1 10W RC 1 10W 0 00 J T1608 R100 2251207506 RES CHIP 1 10 RC 1 10W 75 00 F T1608 R101 2251207506 RES CHIP 1 10 RC 1 10W 75 00 F T1608 R102 2251207506 RES CHIP 1 10 RC 1 10W 75 00 F T1608 R103 2253210196 RES CHIP 1 10W RC 1 10W 100 00 J T1608 R104 2253210196 RES CHIP 1 10W RC 1 10W 100 00 J T1608 R105 2253222096 RES CHIP 1 10W RC 1 10W 22 00 J T1608 R107 2253210196...

Page 37: ...ES CHIP 1 10W RC 1 10W 4 70K J T1608 R198 2253247296 RES CHIP 1 10W RC 1 10W 4 70K J T1608 R200 2253210396 RES CHIP 1 10W RC 1 10W 10 00K J T1608 R201 2251243216 RES CHIP 1 10 RC 1 10W 4 32K F R202 2253210296 RES CHIP 1 10W RC 1 10W 1 00K J T1608 R205 2251220026 RES CHIP 1 10 RC 1 10W 20 00K F R206 2253210396 RES CHIP 1 10W RC 1 10W 10 00K J T1608 R207 2253236396 RES CHIP 1 10W RC 1 10W 36 00K J T...

Page 38: ...RA 2363225500 DIODE RECT FCH20A10 20A 100V TO 220AB D804 RB 2368400100 RECT SCHOTTKY SB20100F PEC D805 2363300212 DIODE SCHOTTKY 31DQ06 NI D806 RA 2363506395 DIODE ZENER HZ15 2 14 5 15 1V 0 5WHITACHI D806 RB 2363506495 DIODE ZENER MTZJ15C 14 35 15 09V ROHM D807 RA 2363504595 DIODE ZENER HZ7A3 6 6V 6 9V D807 RB 2363516095 DIODE ZENER MTZJ6 2C 6 12 6 44V ROHM F801 2213125207 FUSE LITTEL 21502 5 2 5A...

Page 39: ...RS 3W 15 00 J R606 2233430295 RES CBN 1 4 S RD 1 4WS 3 00K J R607 2233410195 RES CBN 1 4 S RD 1 4WS 100 00 J R608 2233447295 RES CBN 1 4 S RD 1 4WS 4 70K J R609 2233410395 RES CBN 1 4 S RD 1 4WS 10 00K J R610 2233410195 RES CBN 1 4 S RD 1 4WS 100 00 J R611 2233447295 RES CBN 1 4 S RD 1 4WS 4 70K J U601 2202121600 PC BOARD 166LP13 AUDIO CAM1 56 89 AUDIO IN P C BOARD AL512 Only L608 2379101495 FERRI...

Page 40: ... SOURCE PART NO DESCRIPTION SPECIFICATION REMARK U901 RB 2414500900 INVERTER CDA 2103H01 CHI SAM U901 RC 2414500700 INVERTER L0070 SAMPO V901 2212002300 LCD PANEL CLAA150XG 02J CPT W901 2391204904 SP DYN OVAL 8 ohm 1 5W P011F HB18 HIBOX AL512 Only ...

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