AOC P/N : 41A50-144 service manual Host Interface HIF / External On-Screen Display

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Table 2 : Host Interface (HIF) / External On-Screen Display

PIN #

Name

I/O

Description

98

HFS

I

Host Frame Sync. Frames the packet on the serial channel.

103

HCLK

I

Clock signal input for the 3-wire serial communication.

99

HDATA

I/O

Data signal for the 3-wire serial communication.

100

RESETn

I

Resets the gmZAN1 chip to a known state when low.

101

IRQ

O

Interrupt request output.

115

OSD-HREF

O

HSYNC output for an external OSD controller chip.

116

OSD-VREF

O

VSYNC output for an external OSD controller chip.

117

OSD-Clk

O

Clock output for an external OSD controller chip.

118

OSD-Data0

I

Data input 0 from an external OSD controller chip.

119

OSD-Data1

I

Data input 1 from an external OSD controller chip.

120

OSD-Data2

I

Data input 2 from an external OSD controller chip.

121

OSD-Data3

I

Data input 3 from an external OSD controller chip.

122

OSD-FSW

I

External OSD window display enable. Displays data from external OSD

 

 

 

controller when high.

123

MFB11

I/O

Multi-Function Bus 11. One of twelve multi-function signals MFB[11:0].

124

MFB10

I/O

Multi-Function Bus 10. One of twelve multi-function signals MFB[11:0].

102

MFB9

I/O

Multi-Function Bus 9. One of twelve multi-function signals MFB[11:0].

 

 

 

Also used as HDATA3 in a 4-bit host interface configuration.

104

MFB8

I/O

Multi-Function Bus 8. One of twelve multi-function signals MFB[11:0].

 

 

 

Also used as HDATA2 in a 4-bit host interface configuration.

105

MFB7

I/O

Multi-Function Bus 7. One of twelve multi-function signals MFB[11:0].

 

 

 

Also used as HDATA1 in a 4-bit host interface configuration.

106

MFB6

I/O

Multi-Function Bus 6. One of twelve multi-function signals MFB[11:0].

 

 

 

Internally pulled up. When externally pulled down (sampled at reset ) the host

 

 

 

interface is configured for 4 bits wide. In this configuration, MFB9:7 are used as

 

 

 

HDATA 3:1.

107

MFB5

I/O

Multi-Function Bus 5 One of twelve multi-function signals MFB[11:0].

 

 

 

Internally pulled up. When externally pulled down (sampled at reset ) the chip

 

 

 

uses an external crystal resonator across pins 141 and 142, instead of an

 

 

 

oscillator.

109

MFB4

I/O

Multi-Function Bus 4. One of twelve multi-function signals MFB[11:0].

110

MFB3

I/O

Multi-Function Bus 3. One of twelve multi-function signals MFB[11:0].

111

FMB2

I/O

Multi-Function Bus 2. One of twelve multi-function signals MFB[11:0].

112

MFB1

I/O

Multi-Function Bus 1. One of twelve multi-function signals MFB[11:0].

113

MFB0

I/O

Multi-Function Bus 0. One of twelve multi-function signals MFB[11:0].

40

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Contents Spectrum Series SEP Table of Contents LCD-PANEL Specifications for LCD MonitorGeneral specifications Interface Connectors Monitor Block DiagramLCD Monitor Description AC-IN AdapterAssembly Precaution Precautions and NoticesOperating Precautions Storage PrecautionsPIN no Description RED Operating InstructionsAdjustment Method AdjustmentAdjustment Conditions and Precautions 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 chartMainboard PANEL-POWER CircuitU200-DATA Output 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 ZoomSource Stand Alone DownscalingDestination Stand Alone Overall Architecture Clock Recovery CircuitFunctional Description 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-Generation Conditions IRQ Event Remark IRQ ControllerData Path Scaling Filter TFT Panel Interface Timing SpecificationGamma Table RGB OffsetPCLKB*4 Pclk *1Hsync width in TFT Vsync width and display position in TFTHorizontal size 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 CommunicationOn-Screen Display Control GmZAN1 Serial Channel Specification Parameter Min Typ MaxMulti-Function Bus MFB 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 BoardInverter Module Power System and Consumption CurrentAdapter 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

P/N : 41A50-144 specifications

The AOC P/N: 41A50-144 is a versatile and high-performing monitor that caters to both professional and casual users. With its sleek design and array of features, this model embodies the epitome of modern display technology.

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