AOC e2350Shk Service Manual
Hide thumbs Also See for e2350Shk:

Advertisement

Quick Links

23" Flat wide monitor
Service
Service
Service
Description
Table of Contents....................................................1
Revision List...................................................................2
Important Safety Notice.................................................3
1.Monitor Specification...................................................4
2.LCD Monitor Description.........................................5
3.Operation Instruction.................................................6
3.1.General Instructions..................................................6
3.2.Control Buttons and Connections...............................6
3.3.OSD Setting............................................................8
4.Input/Output Specification.....................................18
4.1.Input Signal Connector..........................................18
4.2.Preset Display Modes...... ..........................19
4.3.Panel Specification...........................................20
5.Block Diagram............................................................22
5.1.Main Board....................................................22
5.2.Power Board..................................................23
ANY PERSON ATTEMPTING TO SERVICE THIS CHASSIS MUST FAMILIARIZE HIMSELF WITH THE
CHASSIS AND BE AWARE OF THE NECESSARY SAFETY PRECAUTIONS TO BE USED WHEN SERVICING
ELECTRONIC EQUIPMENT CONTAINING HIGH VOLTAGES.
CAUTION: USE A SEPARATE ISOLATION TRANSFOMER FOR THIS UNIT WHEN SERVICING
R FOR TH

Table of Contents

Page Description
6.Schematic..........................................................24
6.1.Main Board.......................................................24
6.2.Power Board....................................................29
6.3.Key Board....................................................31
7.PCB Layout.........................................................32
7.1.Main Board......................................................32
7.2.Power Board.....................................................34
7.3.Key Board........................................................38
8.Maintainability.....................................................39
8.2.Trouble Shooting.............................................40
10.Monitor Exploded View......................................46
11.BOM List......................................................47
SAFETY NOTICE
1
AOC e2350Shk
Horizontal Frequency
30 - 83kHz
Page

Advertisement

Table of Contents
loading
Need help?

Need help?

Do you have a question about the e2350Shk and is the answer not in the manual?

Questions and answers

Summary of Contents for AOC e2350Shk

  • Page 1: Table Of Contents

    23" Flat wide monitor AOC e2350Shk Service Service Service Horizontal Frequency 30 - 83kHz Table of Contents Description Page Description Page Table of Contents…………………..…………………..…...1 6.Schematic…………..….........24 Revision List.…...........……..2 6.1.Main Board..…….…...........24 Important Safety Notice.….…......……..3 6.2.Power Board..……….........29 1.Monitor Specification......………....4 6.3.Key Board..……….........31 2.LCD Monitor Description……….……………………..5 7.PCB Layout..………..........32...
  • Page 2: Revision List

    Revision List Version Release Date Revision History TPV Model Name HDCGNZ6BAGA1DNE Initial release Jan.-29-2013 HDCSNZ6BAGA1DNE...
  • Page 3: Important Safety Notice

    Important Safety Notice Proper service and repair is important to the safe, reliable operation of all AOC Company Equipment. The service procedures recommended by AOC and described in this service manual are effective methods of performing service operations. Some of these service operations require the use of tools specially designed for the purpose. The special tools should be used when and as recommended.
  • Page 4: Monitor Specification

    1.Monitor Specifications...
  • Page 5: Lcd Monitor Description

    2.LCD Monitor Description The LCD MONITOR will contain a main board, a power board, and a key board which house the flat panel control logic, brightness control logic and DDC. The power board will provide AC to DC Inverter voltage to drive the backlight of panel and the main board chips each voltage.
  • Page 6: Operation Instruction

    3. Operating Instructions 3.1 General Instructions Press the power button to turn the monitor on or off. The other control knobs are located at front panel of the monitor (See Figure ). By changing these settings, the picture can be adjusted to your personal preferences. * The power cord should be connected.
  • Page 7 1. AC port 2. VGA 3. DVI (available for selected models) 4. HDMI(available for selected models) 5. Audio(available for selected models) To protect equipment, always turn off the PC and LCD monitor before connecting. 1. Connect the power cable to the AC port on the back of the monitor. 2.
  • Page 8: Osd Setting

    3.3 OSD Setting Basic and simple instruction on the control keys. 1)Press the MENU-button to activate the OSD window. 2) Press - or + to navigate through the functions. Once the desired function is highlighted, press the MENU-button to activate it . press - or + to navigate through the sub-menu functions. Once the desired function is highlighted, press MENU-button to activate it.
  • Page 9 Luminance 1 Press (Menu) to display menu. 2 Press - or + to select (Luminance), and press to enter. 3 Press - or + to select submenu, and press to enter. 4 Press - or + to adjust. 5 Press to exit.
  • Page 10 Image Setup 1 Press (Menu) to display menu. 2 Press - or + to select (Image Setup), and press to enter. 3 Press - or + to select submenu, and press to enter. 4 Press - or + to adjust. 5 Press to exit.
  • Page 11 Color Setup 1 Press (Menu) to display menu. 2 Press - or + to select (Color Setup), and press to enter. 3 Press - or + to select submenu, and press to enter. 4 Press - or + to adjust. 5 Press to exit.
  • Page 12 Picture Boost 1 Press (Menu) to display menu. 2 Press - or + to select (Picture Boost), and press to enter. 3 Press - or + to select submenu, and press to enter. 4 Press - or + to adjust. 5 Press to exit.
  • Page 13 OSD Setup 1 Press (Menu) to display menu. 2 Press - or + to select (OSD Setup), and press to enter. 3 Press - or + to select submenu, and press to enter. 4 Press - or + to adjust. 5 Press to exit.
  • Page 14 Extra 1 Press (Menu) to display menu. 2 Press - or + to select (Extra), and press to enter. 3 Press - or + to select submenu, and press to enter. 4 Press - or + to adjust. 5 Press to exit.
  • Page 15 Exit 1 Press (Menu) to display menu. 2 Press - or + to select (Exit), and press to enter. 3 Press - or + to select submenu, and press to enter. 4 Press - or + to adjust. 5 Press to exit.
  • Page 16 Orange or red e-Saver Welcome to use AOC e-Saver monitor power management software! The AOC e-Saver features Smart Shutdown functions for your monitors, allows your monitor to timely shutdown when PC unit is at any status (On, Off, Sleep or Screen Saver);...
  • Page 17 Screen+ Welcome to "Screen+" software by AOC, Screen+ software is a desktop screen splitting tool, it splits the desktop into different panes, each pane displays a different window. You only need to drag the window to a corresponding pane, when you want to access it. It supports multiple monitor display to make your task easier. Please follow the...
  • Page 18: Input/Output Specification

    4. Input/Output Specification 4.1 Input Signal Connector Analog connector...
  • Page 19: Preset Display Modes

    4.2 Preset Display Modes...
  • Page 20: Panel Specification

    4.3 Panel Specification 4.3.1 General Features LM230WF5-TLF1 is a Color Active Matrix Liquid Crystal Display Light Emitting Diode ( White LED) backlight system without LED driver. The matrix employs a-Si Thin Film Transistor as the active element. It is a transmissive type display operating in the normally white mode.
  • Page 21 BACKLIGHT UNIT Ta = 25 ± 2 º C 4.3.4 Optical Characteristics 25° C =120mA =5.0V, f =60Hz =119MHz,...
  • Page 22: Block Diagram

    5. Block Diagram 5.1 Main Board 04.SCALER 02.INPUT VCC3.3 SOG_DET SOG_DET VCC1.8 05.PANEL INTERFACE EDID_WP AHS0 AHS0 AVS0 AVS0 AVS0 PA[0..9] DDCSDA1 DDCSDA1 DDCSDA1 PA[0..9] PA[0..9] DDCSCL1 DDCSCL1 DDCSCL1 VGA_CABLE_DET VGA_CABLE_DET VGA_CABLE_DET PB[0..9] 02.D-SUB INPUT PB[0..9] PB[0..9] EDID_WP EDID_WP P_SCL P_SCL VLCD P_SDA...
  • Page 23: Power Board

    5.2 Power Board 715G4744P01003001M AC input Transformer Rectifier Bridge 14.5V EMI filter (T901) diodes Rectifier and Filter Start Resistor (R908,R911) Feedback PWM Control Circuit Power Switch LD7576AGR (U901) (Q901) Photo coupler Regulator (U902) (IC903) 715G3977P04000004M L801 D806 14.5V MOSFET (Q806) (CN804) PWM Control ON/OFF...
  • Page 24: Schematic

    6. Schematic 6.1 Main Board 715G4641M01000004S CN101 RED+ D-SUB 15P FB101 BEAD R102 100R 1/16W 5% C102 47nF 16V RED- GREEN+ FB102 BEAD R103 100R 1/16W 5% C103 47nF 16V GREEN- BLUE+ FB103 BEAD R104 100R 1/16W 5% C104 47nF 16V BLUE- VGA5V R110...
  • Page 25 CN501 HDMI HDMI1/D2+ HDMI1_D2+ D2 Shield HDMI1/D2- HDMI1_D2- HDMI1/D1+ HDMI1_D1+ D1 Shield HDMI1/D1- HDMI1_D1- HDMI1/D0+ HDMI1_D0+ D0 Shield HDMI1/D0- HDMI1_D0- HDMI1/CK+ HDMI1_CK+ DET_HDMI CK Shield HDMI1/CK- HDMI1_CK- R753 CEC3* CE Remote CEC_CTRL HDMI_SCL DDC CLK HDMI_SDA DDC DATA R153 ZD104 HDMI1_+5V 1K 1/16W 5% NC/RLZ5.6B...
  • Page 26 VCC3.3 DVDD FB401 FB402 DVI_VCC +5V_SB VCC3.3 120 OHM 120 OHM C405 C407 C409 C410 100N16V 100N16V 100N16V 100N16V VCC3.3 MPLL_VDD +5V_SB AUDIO_VDD ADC_VDD DVDD CVDD C403 C402 DVI_VCC ADC_1V8 MVDD MVDD 10uF 16V 10uF 16V C404 C406 100N16V 100N16V FB403 FB404 VCC3.3...
  • Page 27 PA[0..9] PB[0..9] PA[0..9] PB[0..9] LVB0M CN408 LVA0M LVB0P CONN LVA0P LVB1M LVB0M RXO0- LVA1M LVB1P LVB0P RXO0+ LVA1P LVB2M LVB1M RXO1- LVA2M LVB2P LVB1P RXO1+ LVA2P LVBCKM LVB2M RXO2- LVACKM LVBCKP LVB2P RXO2+ LVACKP LVB3M LVA3M LVB3P LVBCKM RXOC- LVA3P LVBCKP RXOC+ LVB3M...
  • Page 28 +5V_SB VCC3.3 U701 +5V_SB VCC3.3 VOUT VCC3.3 +5V_SB C702 R701 C701 10K 1/16W 5% 220uF/16V 100N16V C705 C703 C704 100N16V 100uF/16V 100N16V CN701 R702 1K 1/16W 5% PWMB* Adj_BACKLIGHT VCC3.3 U702 VCC3.3 NC/AP2114D-3.3TRG1 R704 VOUT 47K 1/16W 5% R705 ON/OFF 47K 1/16W 5% VCC3.3 +5V_SB...
  • Page 29: Power Board

    6.2 Power Board Adapter 715G4744P01003001M R929 100 OHM 1/4W BD901 C916 C928 F801 KBP208G R930 100 OHM 1/4W 2N2 500V 2N2 500V 0R05 1/4W +14.5V R903 100 OHM 1/4W R904 ZD901 250OHM2W MTZJ T-72 16B 80GL22T-3 C918 680UF/25V T901 D901 POWER X'FMR SR515 R905...
  • Page 30 Converter 715G3977P04000004M CN801 +14.5V D801 R813 L801 22uH SK310B 0R05 4A 1/4W C809 AOD4126 33UF 100V ON/OFF U801 C803 Q806 470N 50V Q801 NC(P8008HV) MP3389EF C811 C810 Gate C807 33UF 100V VFAULT CONN R801 R805 GATE 300KOHM 1/10W COMP PGND 33uF 100V 33uF 100V C801...
  • Page 31: Key Board

    6.3 Key Board 715G4747K02000001C LED001 CN001 LBADC1 R001 2KOHM 1% 1/10W LBADC2 DC_POWERON R002 0R01 1/10W LED_1# LED_2# C001 C002 R003 2KOHM 1% 1/10W R004 1K 1/10W NC/0.1uF 50V NC/0.1uF 50V Wire Harness SGND SW005 SW004 SW003 SW002 SW001 AUTO(2.0K) 1.118V LBADC1 DOWN...
  • Page 32: Pcb Layout

    7. PCB Layout 7.1 Main Board 715G4641M01000004S...
  • Page 34: Power Board

    7.2 Power Board Adapter 715G4744P01003001M...
  • Page 36 Converter 715G3977P04000004M...
  • Page 38: Key Board

    7.3 Key Board 715G4747K02000001C...
  • Page 39: Maintainability

    8. Maintainability 8.1 Equipments and Tools Requirement Voltmeter. Oscilloscope. Pattern Generator. DDC Tool with an IBM Compatible Computer. Alignment Tool. LCD Color Analyzer. Service Manual. User Manual.
  • Page 40: Trouble Shooting

    8.2 Trouble Shooting No Power No power Check power cable is Re-plug the power cable tightened? Check Power “On/Off” Turn on the Power “On/Off” switch is “On”? Check the LED Check the AC power indicate is OK? Replace the converter board Replace main board and check connections Replace key board and check connections...
  • Page 41 2. No Video (Power LED Blue) No Video (Power LED Blue) Press the power Replace the main board button is OK? Replace the converter The end board Replace the main The end board and connection Replace the LVDS/FFC Check the LVDS/FFC cable or panel cable or panel Replace the key board...
  • Page 42 3. DIM DIM (image overlap, focus or flicker) Reset in factory mode The end Set to the optimal The end frequency, select the recommended frequency Readjust the phase and pixel The end clock in the user mode Pull out signal cable and Check the signal cable check “Self Test Feature and the PC...
  • Page 43 4. Color is not optimal Color is not optimal Color shift Miss color Reset the factory mode Replace the signal cable In the user mode, set the” color settings” until customer satisfy The end Pull out the signal cable and check the screen color display is normal? Replace the signal cable or PC Replace the main board...
  • Page 44: White-Balance,Luminance Adjustment

    9.White- Balance, Luminance Adjustment Approximately 30 minutes should be allowed for warm up before proceeding white balance adjustment. How to setting MEM channel you can reference to chroma 7120 user guide or simple use “SC” key and “NEXT” Key to modify xyY value and use “ID” key to modify the TEXT description Following is the procedure to do white-balance adjust .
  • Page 45 C. Adjust Cool (9300K) color-temperature 1. Switch the Chroma-7120 to RGB-Mode (with press “MODE” button) 2. Switch the MEM. Channel to Channel 9 (with up or down arrow on chroma 7120) 3. The LCD-indicator on chroma 7120 will show x=283±20,y=297±20 4.
  • Page 46: Monitor Exploded View

    10. Monitor Exploded Views NO P/N PART NAME Q'TY 1 Q34G7393AED* BEZEL 2 A33G1181ABJ* 3 A33G1182 1 POWER LENS 4 Q52G1801MNT160CFL MYLAR 5 A15G1597 MAIN FRAME 6 A15G1587101 HINGE PLATE 7 Q34G7394ABJ* REAR COVER 8 H37G0026011 HINGE 9 Q33G0504ABJ STAND STAND 10 Q34G7395ABJ COVER...
  • Page 47: Bom List

    11. BOM List Note: The parts information listed below are for reference only, and are subject to change without notice. Please go http://cs.tpv.com.cn/hello1.asp for the latest information. HDCGNZ6BAGA1DNE Location Part No. Description Remark 040G 58162435A MANUAL P/N LABEL 052G 2191 A PAPER TAPE HDCP-SMT 070GHDCP500HDC...
  • Page 48 TIE (Y1900221) M05201 Q52G100202500A00JY AL FOIL M05203 Q52G100204500A00JY AL FOIL M05202 Q52G100204500A00JY AL FOIL Q52G1301024A0100YY BIG CARTON TAPE FOR AOC 60MM Q52G1801MNT160CFLT INSULATING SHEET Q52G6019 14 TAPE E09501 S95G179T30PW19 FFC CABLE 30pin 202mm 1.0mm H40G000261553A TCO'05 EPA LABEL 756GHBCB A5051...
  • Page 49 U401 090G6250 1 HEAT SINK X401 093G 2251B J CRYSTAL 12MHZ NXS12.000AC30F-KAB10 709G46410HM001 COMSUMPTIVE ASSY H40G 45762429A LABEL LED001 081G 12 1F GH LED GREEN/YELLOW GHZYG603D2-5B CN001 095G820H 6WW01 HARNESS 6P-6P(2008) 140 709G4747 HM001 COMSUPTIVE ASS'Y Q901 057G 667941 MOSFET P0765ATF 7 650 TO-220F 090G6064 1 HEAT SINK 0M1G 930 8120...
  • Page 50 C928 065G120622272K CER 1206 2N2 500V X7R 10% C929 065G120622272K CER 1206 2N2 500V X7R 10% C916 065G120622272K CER 1206 2N2 500V X7R 10% C917 065G120622272K CER 1206 2N2 500V X7R 10% 709G4744 HS001 CONSUMPTIVE ASS'Y C807 067G 415479 9L EC 4.7UF 20% 100V 8*12 C809 067G315M1016KV...
  • Page 51 J810 095G 90 23 JUMP WIRE - - J812 095G 90 23 JUMP WIRE - - J901 095G 90 23 JUMP WIRE - - J902 095G 90 23 JUMP WIRE - - J903 095G 90 23 JUMP WIRE - - J904 095G 90 23 JUMP WIRE - -...
  • Page 52 D801 093G 60S907 T SCHOTTKY B3100B 3A 100V SMB E715 715G3977P04000004F PWR PCB FR4 DS 45X80X1.6MM 2nd source E715 715G3977P04000004M PWR PCB FR4 DS 80*45*1.6MM SW001 077G603S AI HJ TACT SWITCH AI 2PIN SEALED SW002 077G603S AI HJ TACT SWITCH AI 2PIN SEALED SW003 077G603S AI HJ TACT SWITCH AI 2PIN SEALED...
  • Page 53 R154 061G0402100 JT RST CHIP 10R 1/16W 5% TZAI YUAN R142 061G0402100 JT RST CHIP 10R 1/16W 5% TZAI YUAN R141 061G0402100 JT RST CHIP 10R 1/16W 5% TZAI YUAN R140 061G0402100 JT RST CHIP 10R 1/16W 5% TZAI YUAN R139 061G0402100 JT RST CHIP 10R 1/16W 5% TZAI YUAN...
  • Page 54 R403 061G0402104 JT RST CHIP 100K 1/16W 5% TZAI YUAN R402 061G0402104 JT RST CHIP 100K 1/16W 5% TZAI YUAN R431 061G0402105 JT RST CHIP R 1Mohm 1/16W +/-5% TZAI YUAN R463 061G0402153 JT RST CHIP 15K 1/16W 5% TZAI YUAN R462 061G0402153 JT RST CHIP 15K 1/16W 5% TZAI YUAN...
  • Page 55 R107 061G0402750 JT RST 0402 75R 5% 1/16W R624 061G0402751 JT RST CHIP 750R 1/16W 5% TZAI YUAN R459 061G0402752 JT RST CHIP 7K5 1/16W 5% TZAI YUAN R117 061G0603000 JT RST CHIP MAX 0R05 1/10W TZAI YUAN R613 061G0603000 JT RST CHIP MAX 0R05 1/10W TZAI YUAN R614 061G0603000 JT...
  • Page 56 C409 065G040210412K CAP 0402 100NF 10% 16V X7R C408 065G040210412K CAP 0402 100NF 10% 16V X7R C407 065G040210412K CAP 0402 100NF 10% 16V X7R C406 065G040210412K CAP 0402 100NF 10% 16V X7R C625 065G0402105A5K CAP 0402 1UF 10% 10V X5R C623 065G0402105A5K CAP 0402 1UF 10% 10V X5R...
  • Page 57 C417 065G080510615K CHIP 10uF 16V X5R 0805 C416 065G080510615K CHIP 10uF 16V X5R 0805 C415 065G080510615K CHIP 10uF 16V X5R 0805 C413 065G080510615K CHIP 10uF 16V X5R 0805 C403 065G080510615K CHIP 10uF 16V X5R 0805 C402 065G080510615K CHIP 10uF 16V X5R 0805 C603 065G120622615K CAP CHIP 1206 22UF K 16V X5R...

This manual is also suitable for:

E2450swhkE2250sh

Table of Contents