AOC E2343F2 Series Service Manual Download Page 1

23" LCD Color Monitor                                                  AOC e2343F2 

 

CAUTION: USE A SEPARATE ISOLATION TRANSFOMER FOR THIS UNIT WHEN SERVICING 

Service 

Service 

Service

                                                                                                                         

 

 

                                                                                                                                                                                 

 

                                             

                                                     

 

Horizontal Frequency 

                                                                                                                                                                        30-83 KHz 

Table of Contents      

Description

                                                             

Page   Description                              Page 

 

 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 

 
 

SAFETY NOTICE

 

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. 

 

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 Button…………….…..............……...............6

3.3.OSD Menu…………….…...........................…...........7

4.Input/Output Specification............……………............18

4.1.Input Signal Connector............………….................18

4.2.Factory Preset Display Modes…….........................19

4.3.Panel Specification.....………...…………................20

 

5.Block Diagram…….........………….................23

6.Schematic……………........................................24

6.1.Main Board………...........................................24

6.2.Key Board...…….............................................31

7.PCB Layout..………….......................................32

7.1.Main Board………...........................................32

7.2.Key Board…………….....................................34

8.Maintainability……….........................................35

8.1.Equipments and Tools Requirement...............35

8.2.Trouble Shooting………….............................36

9.White-Balance, Luminance Adjustment.............40

10.Monitor Exploded View………..…….…............42

11.BOM List…………………………………...........44

Summary of Contents for E2343F2 Series

Page 1: ...VOLTAGES 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 Button 6 3...

Page 2: ...model HDAJNZ2TZ31RDNF LF A04 Mar 25 2011 Add new models Add panel 2nd source LM230WF5 TRC2 HDBJNZ2LZ33ADNF LF HDBJNZ2JZ34ADNF LF A05 Apr 05 2011 Add new model HDBJNZ2MZ35ADNF LF A06 Apr 29 2011 Add ne...

Page 3: ...ay create shock fire or other hazards Under no circumstances should the original design be modified or altered without written permission from AOC AOC assumes no liability express or implied arising o...

Page 4: ...4 1 Monitor Specifications...

Page 5: ...a main board and a key board which house the flat panel control logic brightness control logic and DDC Monitor Block Diagram LED Drive AC IN 100V 24 Flat Panel and LED backlight Main Board Key Board...

Page 6: ...ratio If the product screen size is 4 3 or input signal resolution is wide format the hot key is disable to adjust and also only available for VGA input When HDMI input press hotkey continuously to a...

Page 7: ...function repeat steps 2 3 4 OSD Lock Function To lock the OSD press and hold the MENU button while the monitor is off and then press power button to turn the monitor on To un lock the OSD press and h...

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Page 18: ...18 4 Input Output Specification 4 1 Input Signal Connector Analog connector HDMI connector...

Page 19: ...19 4 2 Factory Preset Display Modes...

Page 20: ...s Gray scale or the brightness of the sub pixel color is determined with a 8 bit gray scale signal for each dot thus presenting a palette of more than 16 7M colors with Advanced FRC Frame Rate Control...

Page 21: ...Power Supply Input Current ILCD MOSAIC 60Hz 1180 1540 mA ILCD BLACK 60Hz 1400 1820 mA ILCD BLACK 75Hz 2260 mA Power Consumption PLCD 5 9 7 7 Watt Inrush current IRUSH 3 0 A LED bar Electrical characte...

Page 22: ...4 ms Color Coordinates CIE1931 RED Rx Typ 0 03 0 627 Typ 0 03 Ry 0 347 GREEN Gx 0 338 Gy 0 620 BLUE Bx 0 155 By 0 049 WHITE Wx 0 313 Wy 0 329 Viewing Angle CR 5 x axis right 0 r 75 88 Degree x axis le...

Page 23: ...9EF U801 12V LED CN803 MOSFET Q806 Flash Memory MX25L2026DM1I 12G U402 Panel Interface CN409 12MHZ X401 Key control Interface CN401 Scalar IC NT68677UMFG E Include MCU ADC OSD U401 H sync V sync RGB D...

Page 24: ...5 OEM MODEL Size Rev Date Sheet of TPV MODEL PCB NAME T P V Top Victory Electronics Co Ltd Key Component e2343F2 A AOC B 2 8 Friday October 01 2010 2 0 INPUT 715G4604 M0A FB104 120 OHM 1 2 C112 22pF 5...

Page 25: ...B CEC_CTRL_A R508 1K R525 1K U503 TVU1240R1A IN1 1 IN2 2 GND 3 IN3 4 IN4 5 NC 6 NC 7 GND 8 NC 9 NC 10 2 U504 TVU1240R1A IN1 1 IN2 2 GND 3 IN3 4 IN4 5 NC 6 NC 7 GND 8 NC 9 NC 10 RX1 5 RXC 5 RX0 5 RX2 5...

Page 26: ...401A C305 1uF 16V RXE2 LVA2P RXE3 LVA3M RXE1 LVA1M RXE3 LVA3P RXO1 LVB1M RXE0 LVA0P RXO0 LVB0M LVACKM RXEC SDA_PANEL SCL_PANEL LVB2M RXO2 RXEC LVACKP RXO0 LVB0P LVBCKM RXOC RXE1 LVA1P RXO3 LVB3M RXO2...

Page 27: ...1 2 VCC3 3 C422 100N 16V VCC1 8 8 R425 0 05R C407 100N 16V VCC3 3 A_VCC HDMI1_D1 3 R416 NC C424 220N16V DVDD 4 5V 0 68027 3 061V PB7 DET_HDMI2 VCC1 8 DET_HDMI1 4 DDC_WP 2 3 CMVCC1 C409 100N 16V PA9 R4...

Page 28: ...R727 300K C713 100N 16V VCC3 3 FB703 0 05R U701 VI 3 VO 2 GND 1 C720 10uF 16V C712 100nF 50V CMVCC1 C719 100nF 50V CMVCC1 D707 SM340A 1 2 D708 SM340A 1 2 C717 100N 16V 12V 12V 6 7 BKLT EN FB701 BEAD...

Page 29: ...5G4604 M0A AUDIO_MUTE 5 R607 5 1K R610 5 1K R613 1K R612 1K Mute_Audio C605 1uF 16V C606 1uF 16V C608 10uF 10V R608 100R L C604 1N 50V ZD601 NC RLZ5 6B ZD602 NC RLZ5 6B R FB602 60 OHM 1 2 FB603 60 OHM...

Page 30: ...ED7 16 LED6 17 LED5 18 LED4 19 LED3 20 LED2 21 LED1 22 OVP 23 ISENSE 24 PGND 25 GATE 26 VFAULT 27 NC 28 E Pad 29 R808 1K R811 150R OEM MODEL Size Rev Date Sheet of TPV MODEL PCB NAME T P V Top Victory...

Page 31: ...005 100nF 25V C006 100nF 25V GPIO_07 C011 1uF Z 10V GPIO_03 Antenna SM_CLK U001 IT7230BFN CIN1 1 CIN2 2 CIN3 3 CIN4 4 CIN7 5 CIN9 6 CIN11 7 VSHILD 8 VBIAS 9 AVSS 10 AVCC 11 GPIO11 12 DVCC 13 GPIO9 14...

Page 32: ...32 7 PCB Layout 7 1 Main Board 715G4604M0C000004I...

Page 33: ...33...

Page 34: ...34 7 2 Key Board 715G4164K01000004F...

Page 35: ...ntainability 8 1 Equipments and Tools Requirement 1 Voltmeter 2 Oscilloscope 3 Pattern Generator 4 DDC Tool with an IBM Compatible Computer 5 Alignment Tool 6 LCD Color Analyzer 7 Service Manual 8 Use...

Page 36: ...ck power cable is tightened Check Power On Off is On Re plug the power cable Replace key board and check connections Check the LED indicate is OK Check the AC power Replace main board and check connec...

Page 37: ...o Video Power LED White Press the power button is OK Check the LVDS FFC cable or panel The end NG OK Replace the main board Replace the LVDS FFC cable or panel NG Replace the key board NG Replace the...

Page 38: ...y mode Set to the optimal frequency select the recommended frequency Pull out signal cable and check Self Test Feature Check is ok Check the signal cable and the PC Readjust the phase and pixel clock...

Page 39: ...shift Replace the signal cable Pull out the signal cable and check the screen color display is normal The end Replace the signal cable or PC Reset the factory mode In the user mode set the color sett...

Page 40: ...1 Switch the chroma 7120 to RGB Mode with press MODE button 2 Switch the MEM channel to Channel 3 with up or down arrow on chroma 7120 3 The LCD indicator on chroma 7120 will show x 313 30 y 329 30 4...

Page 41: ...ove procedure item 4 5 6 until chroma 7120 RGB value meet the tolerance 100 2 D Adjust sRGB color temperature 1 Switch the chroma 7120 to RGB Mode with press MODE button 2 Switch the MEM channel to Ch...

Page 42: ...42 10 Monitor Exploded View...

Page 43: ...T SUPPORT BRACKET 3 REAR COVER L23W TB1 TBP1 16 0M1G1730 6120 SCREW MAIN BOARD SHIELD_MAIN_BASE 5 TILT SUPPORT BRACKET 17 MAIN BOARD 7 BASE COVER TOP 18 SHIELD 8 HINGE FRONT COVER 19 0Q1G 140 10120 SC...

Page 44: ...M Europe Reg 2nd source 089G404A15N CX AC POWER CORD 1500MM Europe Reg 2nd source 095G176J 10V03 FFC CABLE 10PIN 591MM 0 5MM E09503 095G8014 7L605 WIRE HARNESS 7P 7P A1253HA HR 120MM 095G8014 7D605 HA...

Page 45: ...C301 C303 C305 C307 C31 C42 C85 C904 0CH2A 0015A 1uF K 25V X5R 0 9mm 1608 R TP C76 0CH2A 0017A 2 2U F 10 Volt K PER X5R JB 1608 R TP T 0 9 MAX C55 C56 C61 C62 C64 C66 0CH2A 0026A 10U F 25 Volt K PER X...

Page 46: ...R64 0RH1300C422 130 OHM 1 16W 1608 1 D R TP R807 0RH1500C422 150 OHM 1 16W 1608 1 D R TP R103 0RH1501C422 1 5K OHM 1 16W 1608 1 D R TP R1 R126 R906 0RH1502C422 15K OHM 1 16W 1608 1 D R TP R106 0RH160...

Page 47: ...1110B LM230WF5 TRA2 7F1 A0 2L 0 6t 466 0 X 37 9 4 J 72 Source M39 6091L 1302A LM230WF5 TRA1 7F1 A0 6091L 1302B LM230WF5 TRA2 7F1 A0 3022L 1153A KOLON XC210 T 0 123 LM230WF5 TRA1 7F1 A0 3022L 1315A TOR...

Page 48: ...097AEDK1B0130 BEZEL L23W TB1 tbp1 A34G2142AGSA1B0100 REAR COVER L23W TB1 tbp1 ADPC91236YJ1 ADAPTER BOARD CN401 033G3802 7B Y L conn 2 0 7p 033G3802 7B Y CONNECTOR 7P 2 0 DIP 2nd source 040G 45762412B...

Page 49: ...24C02 H0 B R 2K SOP 8 U402 056G2233501 FLASH MX25L2026DM1I 12G 2Mb SOP 8 056G2233 11 IC Pm25LD020C SCE SIOC 8 150mil 2M U601 056T 616516 IC APA2176AQBITRL TQFN3X3 16 Q402 057G 417517 Tra LMBT3906LT1G...

Page 50: ...1 16W TA I 061G0402222 JT RST CHIP 2K2 1 16W 5 TZAI YUAN R118 R304 R514 R532 R704 061G0402223 JI TEST ONLY RST 0402 22K 5 1 16W TA I 061G0402223 JT RST CHIP 22K 1 16W 5 TZAI YUAN R727 061G0402304 JI...

Page 51: ...603203 JT RST CHIP 20K 1 10W 5 TZAI YUAN R841 R842 061G0603229 JI RST 0603 2 2R 5 1 10W TA I 061G0603229 JT RST CHIPR 2 2OHM 1 10W TZAI YUAN R802 061G06032703FI RST 0603 270K 1 1 10W 061G06032703FT RS...

Page 52: ...24 C501 C504 065G040222415K T CAP CHIP 0402 220nF K 16V X5R 065G040222415K A CAP CHIP 0402 0 22UF K 16V X5R C427 C428 065G040247031J Y CAP CHIP 0402 47pF 50V NPO 5 065G040247031J A CAP CHIP 0402 47PF...

Page 53: ...X7R 065G080547432K Y CAP CHIP 0805 470N 50V X7R 10 C302 C704 C707 065G1206226A5K T CAP CHIP1206 22uF K 10V X5R 065G1206226A5K M CAP CHIP 1206 22UF K 10V X5R U402 070GHDCP500HDC HDCP CODE FB104 FB301 F...

Page 54: ...010 R011 R012 061G0402472 JT RST CHIP 4K7 1 16W 5 TZAI YUAN 061G0402472 JY RST CHIPR 4 7KOHM 5 1 16W YAGEO C008 065G040210131J Y CAP CHIP 0402 100P 50V NPO 5 065G040210131J T CAP CHIP 0402 100PF 50V N...

Page 55: ...5 Q41G78D1615 4A card Q41G78S161557A e2243Fw2 e2343F2 QSG Q44GD089615 8B AOC e2343F2 Series Carton Q45G 88609198 3002bag Q45G2010M0201A pe bag Q52G1201 4 3M TAPE Q70G23C1615 8C e2343F2 Serise CD MANUA...

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