AOC P/N : 41A50-144 service manual Adapter Schematic CH-1205, KBL405G

Page 81

12.) ADAPTER SCHEMATIC CH-1205

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

R130

 

R132

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

C116

24 1/4W

24 1/4W

 

 

 

 

 

 

 

 

CN101

F101

R101

 

L101

R102

L102

 

 

 

BD101

C104

 

 

 

C105

T101

1000P/500V

 

 

 

 

 

 

 

 

 

 

 

NTCR 3/5A

 

 

 

 

 

 

 

 

R131

 

R133

 

 

 

 

 

 

 

 

AC SOCKET

2A/250V

 

 

2mH

470K 1/4W

18mH

 

 

KBL405G

120U/400V

 

 

 

103P/500V

PQ2620 for CH-1205

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

24 1/4W

24 1/4W

 

 

 

 

 

 

 

 

 

C101

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

R111

4

 

 

 

 

 

 

 

 

 

 

 

 

 

 

CY 2200P/250V

 

 

 

 

 

 

 

-

 

 

+

+

 

 

43K/3W(MOF)

 

A

 

D106

 

 

 

L103

 

 

 

 

 

12V 5A

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

MBR20100CT

2

 

5UH

 

 

 

 

 

 

 

VAR101

 

 

 

 

 

 

 

 

 

 

 

 

 

 

BEAD 1

 

 

 

1

 

 

 

 

 

 

 

 

 

 

 

471KD07

 

 

 

 

 

 

 

 

 

 

 

 

 

 

5

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

BEAD

 

 

3

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

R145

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

D101

 

 

 

1

 

2

 

 

12K 1/4W

 

 

 

 

R134

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

UF4005G

6

 

 

 

 

 

 

 

 

 

 

 

C102

 

 

C103

R103

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

4.7K

CY 2200P/250V

 

 

CX 0.47U/300V

470K 1/4W

 

 

 

R106

 

R107

 

R109

 

 

 

 

 

 

3

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

3M 1/4W

180K 1/4W

 

180K 1/4W

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

C124

 

 

 

 

 

 

 

 

 

 

 

 

BEAD2

1

 

 

D107

 

+

+

 

 

 

 

 

LED101

 

 

CY 1000P/250V

 

 

 

 

 

 

 

R108

 

R110

 

 

BEAD

 

 

B

 

C117

C118

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

MBR20100CT

 

C119

+

 

 

LED

 

 

 

 

 

 

 

 

 

 

 

180K 1/4W

 

180K 1/4W

 

 

 

 

 

 

 

 

1000U/16V

1000U/16V

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

R105

 

 

 

 

 

 

 

3

 

 

 

 

 

 

R135

470U/16V

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

0.01

 

 

 

 

 

 

 

 

 

 

R104

Q103

3M 1/4W

 

 

Q102

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

C2412K

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

4.7K 1/4W

 

 

 

 

 

2SC4505

 

 

 

 

 

 

HS101

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

ZD101

 

 

 

 

 

 

 

 

HEATSINK

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

C123

 

 

 

 

 

RLZ20B

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

0.1U

 

 

 

 

 

 

 

 

 

 

 

 

C115

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

CY 2200P/250V

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

D109

 

D102

 

R114

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

IN4148

 

RLS245

100 1/4W

 

 

BEAD 4

BEAD 3

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

BEAD

BEAD

 

 

 

 

 

 

 

 

 

 

 

 

R116

 

 

C108

 

 

 

 

 

 

 

 

 

D103

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

4.7K 1/4W

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

0.1U

 

 

 

 

 

 

 

 

 

RLS245

 

R115

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

15 1/4W

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

C106

+

C125

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

D105

 

 

 

 

 

 

150U/25V

 

NC*

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

1N4148

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

ZD102

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

HS101

 

 

 

 

 

 

 

 

 

 

 

 

 

 

RLZ18C

 

 

 

 

 

 

 

 

 

 

 

 

D104

 

 

 

HEATSINK

 

 

 

 

 

 

 

 

 

 

 

 

 

 

R119

R120

C107

 

 

 

 

 

 

 

 

1N4148

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

4.7K

 

4.7K

0.1U

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

R144

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

U105

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

4.7K

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

Q101

 

 

 

 

 

 

 

 

 

 

 

AP431W (SMD)

 

R117

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

2SK2996

R143

R141

 

 

 

 

 

 

 

 

 

 

 

100

Q104

 

 

 

 

8

 

7

 

6

 

R123

 

R124

 

 

1.8K

270 1/4W

 

 

 

 

 

 

 

 

 

 

 

 

A1037AK

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

VREF

 

VCC

 

OUT

 

150 1/4W

 

10K

C114

 

 

 

 

 

 

 

 

R138

 

 

 

 

 

 

 

 

 

Q105

R121

 

 

 

 

 

 

 

 

1000P

 

 

 

 

 

 

 

 

680 1%

R136

 

 

K

 

 

 

 

 

8.2K 1%

 

 

 

 

 

 

 

 

 

 

 

 

 

 

D108

 

 

8

113K 1%

 

 

 

 

 

 

C2412K

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

U104A

 

 

 

 

 

 

 

 

 

 

 

 

4

RT/CT

U101

CS

3

 

 

 

 

 

 

 

 

 

1N4148

R139

3

 

 

 

 

 

 

 

 

 

 

 

 

 

CM3842

 

 

 

 

 

 

 

 

 

 

 

330 1/4W

BA10358F

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

R126

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

C110

 

 

VREF

 

COMP

 

 

 

R127

 

 

 

 

 

R140

 

 

 

 

 

 

 

 

R

 

 

 

 

 

 

 

 

 

 

GND

 

 

 

510

 

 

 

 

 

 

1

 

 

 

 

 

 

 

 

 

 

3300P

 

 

 

 

 

10K

 

C113

 

 

 

9.31K 1%

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

300P (NPO)

 

 

 

 

 

 

 

4

2

 

 

 

A

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

R118

C109

 

 

 

2

 

1

 

5

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

4.7K

0.1U

 

 

 

 

 

 

 

 

 

 

 

 

R125

4

1

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

R122

 

 

 

 

 

 

 

 

 

0.39/2W (W.W.)

 

 

 

 

 

C121

R137

 

 

 

 

 

 

 

 

 

 

 

47K

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

3.74K 1%

 

 

 

 

 

 

 

 

 

 

C111

 

 

 

 

 

 

 

 

 

 

U102

 

 

 

 

 

 

 

0.1U

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

3300P

 

 

 

 

 

 

R128

 

H11A817C300

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

13K

 

 

 

 

3

2

 

 

 

APPROVAL :

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

R129

 

K

 

C122

 

 

CHECK BY :

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

3.6K

 

 

R

0.1U

 

 

Title

CH-1205

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

C112

 

 

 

 

 

 

 

 

 

R142

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

A

 

 

Size

Document Number

 

 

 

 

Rev

 

 

 

 

 

 

 

 

 

270P (NPO)

 

 

 

 

 

 

 

U103

2.4K 1%

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

CM431 0.5%

 

 

 

 

B

<Doc>

 

 

 

 

 

02

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

4

 

 

 

 

 

 

Date:

Monday, July 23, 2001

Sheet

 

1

of

1

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

Image 81
Contents Spectrum Series SEP Table of Contents Specifications for LCD Monitor General specificationsLCD-PANEL Interface Connectors Monitor Block DiagramLCD 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

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.

One of the standout characteristics of the AOC 41A50-144 is its impressive display resolution. Equipped with a 1920 x 1080 pixels Full HD panel, it delivers sharp, vibrant images and ensures that text and graphics appear crisp and clear. The monitor boasts a wide viewing angle that allows for consistent color reproduction, making it perfect for collaborative workspaces or multi-screen setups.

In terms of refresh rates, the AOC 41A50-144 supports a 144Hz refresh rate, catering exceptionally well to gamers and media consumers who seek responsive performance. This high refresh rate reduces motion blur, providing a smoother experience during fast-paced gaming sessions or action-packed videos. Coupled with a 1ms response time, this monitor minimizes ghosting and lag, delivering a seamless visual experience.

The monitor utilizes advanced technologies to enhance the viewing experience further. One notable feature is AMD FreeSync support, which synchronizes the monitor's refresh rate with the GPU's frame rate, effectively eliminating screen tearing and stuttering during gameplay. This leads to a more immersive experience and ultimately gives gamers a competitive edge.

Another critical aspect of the AOC 41A50-144 is its connectivity options. It comes with multiple ports including HDMI, DisplayPort, and VGA, making it compatible with a wide range of devices. This versatility ensures that users can easily connect their computers, gaming consoles, or multimedia players without any hassle.

The AOC 41A50-144 also places importance on user comfort. It incorporates features like flicker-free technology and a low blue light mode to reduce eye strain during extended use. This focus on ergonomics allows for a more enjoyable viewing experience, regardless of the tasks at hand.

Overall, the AOC P/N: 41A50-144 combines high-performance, advanced technologies, and user-centered design. Whether for gaming, professional tasks, or entertainment purposes, this monitor stands out as a reliable and efficient solution that meets the demands of various users. Its features and specifications make it a compelling choice for anyone looking to enhance their display setup.