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4.  ADJUSTMENT OF BOARDS 

Equipment is connected with boards to be inspected before adjustments. Refer to diagram 
below. 

A. Connection Method

 

 

1.  R.G.B Signal Cable 

2.  DC Power Cable 

3.  Inverter Cable 

4.  Control Cable 

5.  LCD Lamp Cable 

 

 

5.  VL-531 DISPLAY CONTROL BOARD 

A. Description 

The VL-531 display control board is design to directly convert the R.G.B signals from VGA 
Card D-sub port to optimum LCD timing signals so as to construct a high display quality LCD 
monitor. 

B. Features 

• 

On board sage chip to detect display timings and control user functions. 

• 

Using sage chip to convert R.G.B signals to digital timing 

• 

Using sage chip to offer full screen expansion function on non-XGA mode(Auto-Zoom). 

• 

Support VESA DPMS function. 

• 

Support DDC2B functions. 

Содержание AL501

Страница 1: ... E Connector Type 9 F Connector Pin Assignment 10 6 VK 531 CONTROL PANEL BOARD 14 A Description 14 B Connector and Switch Locations 14 C Connector type 14 D Connector pin Assignment 15 7 VP 531 POWER BOARD 17 A Description 17 B Electrical characteristics 17 C Connector locations 18 8 CIRCUIT DESCRPTION 20 A Micro Controller Circuit 20 B Circuit of Plug and Play 20 C System Clock 20 D Image Engine ...

Страница 2: ...fresh rate 1024 x 768 non interlaced 60Hz to 75 Hz vertical refresh rate Synchronization Frequencies Horizontal 24 kHz to 60 kHz Vertical 56 Hz to 75 Hz 1024 x 768 is up to 75 Hz Pixel Frequency 21 Mhz to 78 Mhz Resolution Horizontal 1024 dots Vertical 768 lines Active Display Area Horizontal 304 1 mm Vertical 228 1 mm Viewing Angles Up 40deg down 45deg TYP Left 60deg Right 60deg TYP CR 10 Display...

Страница 3: ...r ON OFF switch push to ON and push to OFF toggle switch C Power Management C 1 Power Management condition and status State Signals Power Video LCD LED Horizontal Vertical Video Supply Circuit On Pulses Pulses Active On On On Green Stand by No Pulses Pulses Blanking Off Off Yellow Suspend Pulses No Pulses Off No pulses No pulses Blacking On Yellow DC Power off Don t care Don t care Don t care Off ...

Страница 4: ...suspend off mode 2 LED Dark DC power off C 3 Power Consumption Meet VESA DPMS Proposal On mode 25 Wmax Stand by 5 Wmax Suspend 5 Wmax Off mode 5 Wmax DC power off 5 Wmax disconnection 5 Wmax Measured from AC input end of AC power adapter and not include audio at power saving state The stand by suspend and off mode recover to on mode about 3 seconds ...

Страница 5: ...480 VESA 480 72Hz 72 809 520 480 3 1 20 37 5 840 640 64 16 120 31 5 640x480 VESA 480 75Hz 75 500 480 3 1 16 31 469 900 720 108 18 54 28 322 720x400 VGA 400 TEXT 70 087 449 400 2 12 35 35 156 1024 800 72 24 128 36 800x600 SVGA 56 25 625 600 2 1 22 37 879 1056 800 128 40 88 40 800x600 VESA 600 60Hz 60 317 628 600 4 1 23 48 077 1040 800 120 56 64 50 800x600 VESA 600 72Hz 72 188 666 600 6 37 23 46 875...

Страница 6: ...ing video signal generator with VGA Card port for this adjustment C Indication Input signal by using video signal generator with VGA Card port for this adjustment 3 ADJUSTMENT of Power Supply A Adjustment of Switching Regulator Adapter A 1 Specifications Input voltage AC 100 240Vac Rated input voltage AC 90 264Vac Frequency 50 60 Hz Rated frequency 47 63 Hz DC output Out voltage 12V Maximum output...

Страница 7: ...ion The VL 531 display control board is design to directly convert the R G B signals from VGA Card D sub port to optimum LCD timing signals so as to construct a high display quality LCD monitor B Features On board sage chip to detect display timings and control user functions Using sage chip to convert R G B signals to digital timing Using sage chip to offer full screen expansion function on non X...

Страница 8: ...effective s9050 100 is suitable for the XGA and the s9050 for the SXGA market segment with smaller memory requirements Other features include a brand new high end scaler Active Color Management a flexible OSD Autoadjust SureSyncTM and independent monitoring of the analog interface A new standalone on chip pattern generator has been incorporated to simplify the manufacture of monitors ...

Страница 9: ...9 D Connector Locations E Connector Type Location Type Maker Number of pins CN1 DZ11A91 L8 P1 524 FEMALE 15 J2 96113 1003 E T 10 J3 96113 0703 E T 7 CN3 98210 4011 E T 40 CN2 98210 4011 E T 40 ...

Страница 10: ... 2 G Video Green Video Input 3 B Video Blue Video Input 4 Ground Ground 5 Ground Ground 6 Ground Ground 7 Ground Ground 8 Ground Ground 9 5V DCC DDC Power Input 10 NC NC 11 Ground Ground 12 DDC SDA DDC 2B Data 13 HS Horizontal Sync Input 14 VS Vertical Sync Input 15 DDC SCL DDC 2B Clock ...

Страница 11: ...dd dot Green Data bit 2 16 0G1 Odd dot Green Data bit 1 17 0G0 Odd dot Green Data bit 0 LSB 18 GND Ground 19 0R5 Odd dot Red Data bit 5 MSB 20 0R4 Odd dot Red Data bit 4 21 0R3 Odd dot Red Data bit 3 22 0R2 Odd dot Red Data bit 2 23 0R1 Odd dot Red Data bit 1 24 0R0 Odd dot Red Data bit 0 LSB 25 GND Ground 26 CPH2 Pixel Clock Input 27 GND Ground 28 GND Ground 29 NC No connecting 30 NC No connectin...

Страница 12: ... Gate Driver Output Enable Signal 9 EB1 Even dot Blue Data bit 1 39 GND Ground 10 EB0 Even dot Blue Data bit 0 LSB 40 GND Ground 11 GND Ground 12 EG5 Even dot Green Data bit 5 MSB 13 EG4 Even dot Green Data bit 4 14 EG3 Even dot Green Data bit 3 15 EG2 Even dot Green Data bit 2 16 EG1 Even dot Green Data bit 1 17 EG0 Even dot Green Data bit 0 LSB 18 GND Ground 19 ER5 Even dot Red Data bit 5 MSB 20...

Страница 13: ... key 6 KEY Down Function select counter clockwise key 7 KEY R Adjust up key 8 KEY L Adjust down key 9 KEY POWER Power ON OFF key 10 GND GND F 5 J3 Pin NO Signal Comment 1 5V VL531 power input 2 5V VL531 power input 3 GND Ground 4 GND Ground 5 BLON Back Light ON OFF 6 MUTE Audio amplifier control signal No use 7 BRIGHT Brightness Adjustment ...

Страница 14: ...ption The VK 531 is designed to offer an user interfaced control panel which passes and receives signals to and from VP 531 power board B Connector and Switch Locations C Connector type Location Type Maker Number of pins J5 96113 1013 E T 10 ...

Страница 15: ...E 2 LED Y Power saving mode 3 LED G Monitor on mode 4 10 GND Ground 5 KEY UP Function select up to VL 531 6 KEY DOWN Function select down to VL 531 7 KEY R Function select right to VL 531 8 KEY L Function select left to VL 531 9 KEY PWR Power ON OFF signal to VL 531 ...

Страница 16: ...1 Power ON OFF S2 Function select by clockwise direction S3 Function select by counter clockwise direction S4 Adjust up S5 Adjust down D 3 LED definition Location Definition D1 Green for ON mode Yellow for DC power off stand by suspend and off mode ...

Страница 17: ... 40KHz 55KHz 70KHz EFFICIENCY 75 Vin 12V Operating Life Time 50 000 Hours noto Note Life time Hr can be defined as the time in which it continues to operate under the condition Ta 25 3 C IL 6 0Ma ms and fL 30 KHz until one of the following event occurs 1 When the brightness becomes 50 2 When the startup voltage Vs at 0 C becomes higher than the maximal value of Vs specified above B 2 DC DC power B...

Страница 18: ...18 C Connector locations C 1 Connector type VP 531 Location Type Maker Number of pins J920 J960 SM02 8 0 B BHS 1 JST 2 J3 96113 0702 E T 7 J801 SCD 014 I SC 2 ...

Страница 19: ...or lamp C 2 2 J3 Pin NO Signal Comment 1 2 Vcc 5V 5 Ven Back light ON OFF control high active 3 3V 3 4 GND 6 MUTE1 Audio mute No use 7 Vbr BRITE Brightness 0 3 4V control from VL 531 0 7V for min brightness C 2 3 J801 DC 12V INPUT Pin No Signal Comment PIN1 12V From adapter output cable PIN2 GND From adapter output cable ...

Страница 20: ...ts U5 Sage reference clock D Image Engine Zoom The U5 Sage is a image engine that have following functions 1 The Sage is a IFM Input Format Measurement 2 The Sage are both high guilty scalar and timing controller chip E Power Regulator 1 The U12 APL117 is 1A linear regulator that transfer input voltage from 5V to 3 3V supports U5 2 The U13 AIC1084 is 5A linear regulator that transfer voltage from ...

Страница 21: ...ower On Indicator LED lights Green color Power is ON LED lights Yellow Monitor is in Power Saving Mode LED is off Power is OFF 3 Function Select Buttons Press either left or right control button for OSD On Screen Display menu selection 4 Adjustment Control Buttons Press the left button to decrease the OSD setting and press the right button to increase the OSD setting ...

Страница 22: ...22 B Rear Panel connector Input Signals Rear Panel Cable and Connector Item Cable Connector Function 1 Signal Connector Connectors the video cable 2 Power Connector Connectors the adapter cable ...

Страница 23: ...23 10 TROUBLESHOOTING A Main Procedure ...

Страница 24: ...24 A 1 Power Circuit Troubleshooting ...

Страница 25: ...25 A 2 Backlights Troubleshooting ...

Страница 26: ...26 A 3 Performance Troubleshooting ...

Страница 27: ...27 A 4 Function Troubleshooting ...

Страница 28: ...28 APPENDIX A PARTS LISTS ...

Страница 29: ...29 A FRU BOM A 1 453A5730021 PCBA Inverter board A 2 454A6930011 PCBA Key Board ...

Страница 30: ...30 A 3 461A5730052 Firmware Ctrl board ...

Страница 31: ...AP LSE 9802A12620 12V 160 2FCVS5522100 1STAND BASE VS5522 ABS 94HB MC 161 2FJVS5515000 1POLYLON T VS5515 162 2FJVS5516000 1POLYLON B VS5516 Top 20 on PCBA Boards 1 4SA009600000 1S IC OZ960S SSOP 20 PWM 2 4SBF45320000 2S TR SI4532DY 1N 1P SO 3 4SC4LZ62C0T1 1SM ZENER DIODE RLZ6 2C LL 34 4 4SE013333KT0 2CHIP CERAMIC CAP 033U 50V 10 X7 5 4SP051005900 2S X FORM_ CS555 FRAME 15 POW 6 3DE611000607 5SWITC...

Страница 32: ... 8 SP 9 5SA008100300 1SIC LM810M3X 4 38 SOT 10 5SA010840200 1S IC AIC1084 33CE TO252 11 5SA011170200 2S IC APL1117 25 SOT 223 12 5SA011170300 1S IC APL1117 33VC TR SO 13 5SA024160008 1SM IC EE 16K SO 8 C 14 5SA024210300 1SM IC EE 128X8 SOP 8 24L 15 5SA090500000 1S IC S9050 100 QFP 208 16 5SA741250209 1SM IC SN74LVC125APWLE TS 17 5SB7700200T5 1SM TRANSISTOR 2N7002 18 5SP02E002100 2S W CONN E T 9821...

Страница 33: ...cription Spec 1 1 LVS558HA104 LVS558 1 DIS ABO LVS558HA TCO99 15 2 2 453A5730021 1 PCBA INVERTER B VP 531 LVS558 56 2 454A6930011 1 PCBA KEY B VK 531 LVS558 61 2 461A5730052 1 FIRMWARE CTRL B VL 531 LVS558HA X8 127 2 AC600019000 1 LCD MODULE HSD150SX82 C 15 H 128 2 DA3S558V210 1 FPC VS558 VF 536 REV1 129 2 DC020147800 1 H CON SET CS555 CTRL INV 7P 130 2 DC020148600 1 H CON SET LS558 CTRL KEY 10P 1...

Страница 34: ...CC 1 6t 136 3 ECVS5543000 1 HINGE VS5543 SK 7 1 6t 137 3 EEVS5523000 1 EMI SHIELD VS5523 TIN 0 3t 138 3 EEVS5542000 1 VESA MOUNTING VS5542 SECC 0 8t 139 3 FAVS5512000 1 LCD COVER VS5512 ABS 94HB WG 140 3 FAVS5517100 1 LCD BEZEL A SSY ACER VS5517 141 3 FCVS5521000 1 STAND NECK VS5521 ABS 94HB WG 150 2 EJ4VS580100 1 RATING NP W W N VS558 ABO UFGC B 151 2 HB2VS580100 1 CARTON C VS5558 ABO W W C 152 2...

Страница 35: ...CO99 FOR CARTON 156 2 HK3CM870100 1 PE BAG CM870 K001 FOR MAC 157 1 DC190021100 1 CB ASY HS555 20276 2CORE 158 1 PK100005310 1 AC ADAP LAE LAD3018SBK 12V 160 2 FCVS5522000 1 STAND BASE VS5522 ABS 94HB WG 161 2 FJVS5515000 1 POLYLON T VS5515 162 2 FJVS5516000 1 POLYLON B VS5516 1 4 SA009600000 1 S IC OZ960S SSOP 20 PWM 2 4 SBF45320000 2 S TR SI4532DY 1N 1P SO 3 4 SC4LZ62C0T1 1 SM ZENER DIODE RLZ6 2...

Страница 36: ...SA007810010 1 S IC FS781 BZB SOP 8 SP 9 5 SA008100300 1 SIC LM810M3X 4 38 SOT 10 5 SA010840200 1 S IC AIC1084 33CE TO252 11 5 SA011170200 2 S IC APL1117 25 SOT 223 12 5 SA011170300 1 S IC APL1117 33VC TR SO 13 5 SA024160008 1 SM IC EE 16K SO 8 C 14 5 SA024210300 1 SM IC EE 128X8 SOP 8 24L 15 5 SA090500000 1 S IC S9050 100 QFP 208 16 5 SA741250209 1 SM IC SN74LVC125APWLE TS 17 5 SB7700200T5 1 SM TR...

Страница 37: ... RLZ6 2C LL 34 4 4SE013333KT0 2CHIP CERAMIC CAP 033U 50V 10 X7 5 4SP051005900 2S X FORM_ CS555 FRAME 15 POW 6 3DE611000607 5SWITCH PT 002 B2 7 5PK060000200 1CONVERTER CS555 15 MD111340 8 5SA007810010 1S IC FS781 BZB SOP 8 SP 9 5SA008100300 1SIC LM810M3X 4 38 SOT 10 5SA010840200 1S IC AIC1084 33CE TO252 11 5SA011170200 2S IC APL1117 25 SOT 223 12 5SA011170300 1S IC APL1117 33VC TR SO 13 5SA02416000...

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