AOC P/N : 41A50-144 service manual Adjust 6500 color-temperature

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9.adjust the GREEN on OSD, until chroma 7120 indicator reached G=100

10.adjust the BLUE on OSD, until chroma 7120 indicator reached B=100

11.repeat above procedure ( item 8,9,10) until chroma 7120 RGB value meet the tolence =100±2

12.switch the chroma-7120 to xyY mode With press “MODE” button

13.Adjust the Contrast on OSD window until the Y measurement on chroma 7120 reached the value Y= 180 cd/m2

14.Press 78 on OSD window to save the adjustment result

b. adjust 6500 color-temperature

1Set the Contrast of OSD function to 40, Brightness to 48

2Switch the chroma-7120 to RGB-mode(with press “MODE” button )

3switch the MEM.channel to Channel 06 ( with up or down arrow on chroma 7120 )

4The lcd-indicator on chroma 7120 will show x = 313 ±10, y = 329 ±10, Y = 160 ±5

cd/m2

5 Adjust the RED on OSD window until chroma 7120 indicator reached the value R=100

6adjust the GREEN on OSD, until chroma 7120 indicator reached G=100

7adjust the BLUE on OSD, until chroma 7120 indicator reached B=100

8repeat above procedure ( item 5,6,7) until chroma 7120 RGB value meet the tolence =100

±2

9switch the chroma-7120 to xyY mode With press “MODE” button

10Adjust the Contrast on OSD window until the Y measurement on chroma 7120 reached the value Y= 180 cd/m2

11Press 65 on OSD window to save the adjustment result

Turn the POWER-button off to on to quit from factory mode ( in USER-mode, the OSD window location was placed at middle of screen)

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Contents

Spectrum Series SEP Table of Contents Specifications for LCD Monitor General specificationsLCD-PANEL Interface Connectors Monitor Block Diagram LCD Monitor Description AC-IN AdapterAssembly Precaution Precautions and NoticesOperating Precautions Storage PrecautionsPIN no Description RED Operating InstructionsAdjustment Adjustment Conditions and PrecautionsAdjustment Method Adjust 6500 color-temperature Front Panel Control Knobs OSD-INDEX Explanation CIRCUIT-DESCRIPTIONInput not Support CHI-MEI Panel M170E1MODULE-TPYE Component SIMPLE-INTRODUCTION about LM700 chipsetPanel Software Flow Chart Power-On Subrotine ChartSET factory mode flag Clear factory mode flagII. Main Subrotine Loop No Screen Appear Interface-Board Trouble-Shooting chartPANEL-POWER Circuit U200-DATA OutputMainboard Check Oscillator Block as above Keyboard Block check POWER-BLOCK check END Panel Luminance WAS Down There is an interferences in DOS ModeCorporation Inverter -MODULE Spec &Trouble Shooting ChartFunction Load Circuit M P O C O R P O R a T I O N Trouble Shooting of CHI-MEI Inverter DIVTL0037-D42 Part List Part Part Number QTY Description Supplier Remark Name Trouble Shooting Hight Voltage Protection Enbale Abnormality Transformer Abnormality Check U101 PIN4NO Freq ~70KHZ Part number 80AL17-1-CH Black, 80AL17-2-CH WhitePage Reference Part Quantity Cat.NO IV. Adapter BOM List Part no AL15-2-LIPCB PCB for CH-1205 Revd PCS For Front Heatsink No Voice Output AUDIO-MODULE Trouble shooting chartII. Sound Distortion Audio BOMGMZAN1 Analog-to-Digital Converter Pin DescriptionPIN # Name DescriptionHost Interface HIF / External On-Screen Display Clock Recovery / Time Base Conversion PIN # TFT Panel InterfaceName Description 2pxl/clk 1pxl/clk TFTTest Pins Typical Stand-alone Configuration System-level Block DiagramNative Operating ModesSlow Dclk ZoomDownscaling Destination Stand AloneSource Stand Alone Clock Recovery Circuit Functional DescriptionOverall Architecture Clock Recovery Circuit Sampling Phase Adjustment Clock Recovery CharacteristicsSource Timing Generator Minimum Typical MaximumAnalog-to-Digital Converter 2.3.1 Pin Connection ADC CharacteristicsPin Connection for RGB Input with Hsync/Vsync Pin Connection for RGB Input with Composite SyncDisplay Mode Support Sync. Signal SupportInput Timing Measurement Source Timing MeasurementIRQ Controller Data PathIRQ-Generation Conditions IRQ Event Remark Scaling Filter TFT Panel Interface Timing SpecificationGamma Table RGB OffsetPCLKB*4 Pclk *1Vsync width and display position in TFT Horizontal size in TFTHsync width in TFT One pixel per clock mode in TFT Power ManagerState 1 Power On State 0 Power OffState 2 Panel Drive Enabled State 3 Panel Fully ActiveHost Interface Panel Interface Drive StrengthPanel Interface Pad Drive Strength Value 4 bits Drive Strength in mASerial Communication Protocol Timing Diagram of the gmZAN1 Serial CommunicationGmZAN1 Serial Channel Specification Parameter Min Typ Max Multi-Function Bus MFBOn-Screen Display Control On-Chip OSD Controller OSD Color MapTclk Input Tclk SpecificationDC Electrical Characteristic Parameter Min Typ Max Electrical CharacteristicsAbsolute Ratings Parameter Min Typ Max PvddMechanical of Cabinet Front DIS-ASSEMBLY T780KMGHBAA0A Specification Parts List of CabinetParts List of Cabinet continue Location CBPC780GM Specification Parts List of Conversion BoardLocation AI780GM Specification Location AI780GM SMD EC 22UF 16V 85C Csize KEPC780EK Parts List of KEY PC BoardParts List of Audio Board Parts List of DC-POWER BoardPower System and Consumption Current Adapter ModuleInverter Module PCB Layout TOP-LEVEL Flow Schematic DiagramII. GMZAN1 Block Lvds Block MCU Block Power Block KBL405G Adapter Schematic CH-1205C1,C2,C4 --- 1uF/50V