Manuals / AOC / Car Audio and Video / Car Video System

AOC P/N : 41A50-144 service manual PCB Layout

Models: P/N : 41A50-144

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DDC chip

Input

Connector

AIC1084 5V to 3.3v

10.PCB LAYOUT

Gmzan1

MCU

LVDS power ( LT1117)

LVDS

Panel-

Power

Control

LM2596 convert 12V to 5V

Keyboard-connector

VR adjust for

Lamp

Luminance

MCU

Inverter-connector

74

Image 75

AOC P/N : 41A50-144 service manual PCB Layout

Contents

Spectrum Series SEP Table of Contents Specifications for LCD Monitor General specificationsLCD-PANEL AC-IN Adapter Monitor Block DiagramInterface Connectors LCD Monitor DescriptionStorage Precautions Precautions and NoticesAssembly Precaution Operating PrecautionsPIN no Description RED Operating InstructionsAdjustment Adjustment Conditions and PrecautionsAdjustment Method Adjust 6500 color-temperature Front Panel Control Knobs CHI-MEI Panel M170E1 CIRCUIT-DESCRIPTIONOSD-INDEX Explanation Input not SupportMODULE-TPYE Component SIMPLE-INTRODUCTION about LM700 chipsetPanel Clear factory mode flag Power-On Subrotine ChartSoftware Flow Chart SET 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 Name Description Pin DescriptionAnalog-to-Digital Converter PIN #Host Interface HIF / External On-Screen Display Clock Recovery / Time Base Conversion TFT TFT Panel InterfacePIN # Name Description 2pxl/clk 1pxl/clkTest Pins Typical Stand-alone Configuration System-level Block DiagramZoom Operating ModesNative Slow DclkDownscaling Destination Stand AloneSource Stand Alone Clock Recovery Circuit Functional DescriptionOverall Architecture Clock Recovery Circuit Minimum Typical Maximum Clock Recovery CharacteristicsSampling Phase Adjustment Source Timing GeneratorPin Connection for RGB Input with Composite Sync ADC CharacteristicsAnalog-to-Digital Converter 2.3.1 Pin Connection Pin Connection for RGB Input with Hsync/VsyncSource Timing Measurement Sync. Signal SupportDisplay Mode Support Input Timing MeasurementIRQ Controller Data PathIRQ-Generation Conditions IRQ Event Remark RGB Offset TFT Panel Interface Timing SpecificationScaling Filter Gamma TablePCLKB*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 3 Panel Fully Active State 0 Power OffState 1 Power On State 2 Panel Drive EnabledValue 4 bits Drive Strength in mA Panel Interface Drive StrengthHost Interface Panel Interface Pad Drive StrengthSerial 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 SpecificationPvdd Electrical CharacteristicsDC Electrical Characteristic Parameter Min Typ Max Absolute Ratings Parameter Min Typ MaxMechanical 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