AOC i2353Ph Service Manual
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AOC i2353Ph Service Manual

23" lcd color monitor
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23" LCD Color 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.Hot Keys......................................................6
3.3.OSD Setting.......................................................7
4.Input/Output Specification.......................................20
4.1.Input Signal Connector.........................................20
4.2.Factory Preset Display Modes...............................21
4.3.Panel Specification.............................................22
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
All manuals and user guides at all-guides.com

Table of Contents

Page
5.Block Diagram............................................25
6.Schematic.......................................................26
6.1.Main Board....................................................26
6.2.Key Board......................................................33
7.PCB Layout.....................................................34
7.1.Main Board....................................................34
7.2.Key Board....................................................35
8.Maintainability..................................................36
8.2.Trouble Shooting.........................................37
10.Monitor Exploded View.................................43
11.BOM List..................................................45
SAFETY NOTICE
AOC i2353Ph I2353Fh
Description
Horizontal Frequency
30-83 KHz
Page

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  • Page 1: Table Of Contents

    All manuals and user guides at all-guides.com 23" LCD Color Monitor AOC i2353Ph I2353Fh Service Service Service Horizontal Frequency 30-83 KHz Table of Contents Description Page Description Page 5.Block Diagram……..…………....25 Table of Contents..……......……..1 6.Schematic……………........26 Revision List.…........…………..2 6.1.Main Board………...........26 Important Safety Notice.……......……..3 6.2.Key Board...……..........33...

  • Page 2: Revision List

    All manuals and user guides at all-guides.com Revision List Version Release Date Revision History L&T Model Name HDBJNZ2LB7IGDNF.LF HDBJNZ2FB7UMDNF.LF Jun-20-2011 Initial Release HDBJNZ2MB75ADNF.LF HDBJNZ2CBMAODNF.LF HDBJNZ2MB7RODNF.LF Sep-11-2011 Add new model HDBJNZ2CBM8ADNF.LF HDBJNZ2ABMPMDNF.LF HDBJNZ2BBMK2DNF.LF Oct-27-2011 Add new model HDBJNZ2KBME6DNF.LF HDBJNZ2CB7SPDNF.LF HDBJNZ2TBM1RDNF.LF Nov-7-2011 Add new model HDBJNZ2EB77ADNF.LF HDBJNZ2CBMSUDNF.LF...

  • Page 3: Important Safety Notice

    All manuals and user guides at all-guides.com 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.

  • Page 4: Monitor Specification

    All manuals and user guides at all-guides.com 1. Monitor Specifications Model number i2353Ph/ I2353Fh Driving system TFT Color LED IPS Viewable Image Size 584.2mm diagoanl Pixel pitch 0.265mm(H) x 0.265mm(V) Panel Video R, G, B Analog lnterface & Digital Interface Separate Sync.

  • Page 5: Lcd Monitor Description

    All manuals and user guides at all-guides.com 2. LCD Monitor Description The LCD MONITOR will contain a main board,a key and two speakers board which house the flat panel control logic, brightness control logic and DDC. Monitor Block Diagram Flat Panel and LED Drive.

  • Page 6: Operation Instruction

    All manuals and user guides at all-guides.com 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. By changing these settings, the picture can be adjusted to your personal preferences. 3.2 Hotkeys Power Press the Power button to turn 0n/off the monitor.

  • Page 7: Osd Setting

    All manuals and user guides at all-guides.com 3.3 OSD Setting Basic and simple instruction on the control keys. 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 sub-menu .
  • Page 8 All manuals and user guides at all-guides.com Luminance Press (Menu) to display menu Press to select (Luminance), and press to enter Press to select submenu, and press to enter.
  • Page 9 All manuals and user guides at all-guides.com Press to adjust Press to exit...
  • Page 10 All manuals and user guides at all-guides.com Image Setup Press (Menu) to display menu Press to select (Image Setup) , and press to enter. Press to select submenu, and press to enter.
  • Page 11 All manuals and user guides at all-guides.com Press to adjust. Press to exit Clock 0-100 Adjust picture Clock to reduce Vertical-Line noise. Phase 0-100 Adjust Picture Phase to reduce Horizontal-Line noise Sharpness 0-100 Adjust picture sharpness H.Position 0-100 Adjust the horizontal position of the picture. V.Position 0-100 Adjust the vertical position of the picture.
  • Page 12 All manuals and user guides at all-guides.com Press (Menu) to display menu. Press to select (Color Setup), and press to enter. Press to select submenu, and press to enter. Press to adjust.
  • Page 13 All manuals and user guides at all-guides.com Press to exit Warm Recall Warm Color Temperature from EEPROM. Normal Recall Normal Color Temperature from EEPROM. Cool Recall Cool Color Temperature from EEPROM. Color setup. sRGB Recall SRGB Color Temperature from EEPROM. Red Gain from Digital-register User Green...
  • Page 14 All manuals and user guides at all-guides.com Press to select (Picture Boost), and press to enter. Press to select submenu, and press to enter. Press to adjust.
  • Page 15 All manuals and user guides at all-guides.com Press to exit Frame Size 14-100 Adjust Frame Size Brightness 0-100 Adjust Frame Brightness Contras 0-100 Adjust Frame Contrast H. position 0-100 Adjust Frame horizontal Position V.position 0-100 Adjust Frame vertical Position Bright Frame on or off Disable or Enable Bright Frame OSD Setup...
  • Page 16 All manuals and user guides at all-guides.com Press to select (OSD Setup), and press to enter. Press to select submenu, and press to enter. Press to adjust.
  • Page 17 All manuals and user guides at all-guides.com Press to exit H.Position 0-100 Adjust the horizontal position of OSD V.Position 0-100 Adjust the vertical position of OSD Timeout 5-120 Adjust the OSD Timeout Transparence 0-100 Adjust the transparence of OSD Language Select the OSD language Extra Press...
  • Page 18 All manuals and user guides at all-guides.com Press to select submenu, and press to enter. Press to adjust. Press to exit...
  • Page 19 All manuals and user guides at all-guides.com Input Select Analog Select Analog Signal Source as Input Auto Config yes or no Auto adjust the picture to default Off timer 0-24hrs Select DC off time Image Ratio wide or 4:3 Select wide Select wide or 4:3 format for display DDC-CI yes or no...

  • Page 20: Input/Output Specification

    All manuals and user guides at all-guides.com 4. Input/Output Specification 4.1 D-SUB CONNECTORS and DVI CONNECTORS Pin Assignments 15-Pin Side of the Signal Cable Pin Number Pin Number 15-Pin Side of the Signal Cable Video-Red Video-Green Ground N.C. Video-Blue N.C. DDC- Serial data Detect Cable...

  • Page 21: Factory Preset Display Modes

    All manuals and user guides at all-guides.com 4.2 Factory Preset Display Modes...

  • Page 22: Panel Specification

    All manuals and user guides at all-guides.com 4.3 Panel Specification 4.3.1 General Features BM230WF3-SJC1 is a Color Active Matrix Liquid Crystal Display with an integral Light Emitting Diode (LED) backlight system. The matrix employs a-Si Thin Film Transistor as the active element. It is a transmissive type display operating in the normally black mode.
  • Page 23 All manuals and user guides at all-guides.com 4.3.3 Electrical Characteristics Ta = 25°C Values Parameter Symbol Unit MODULE : Power Supply Input Voltage Permissive Power Input Ripple (60Hz) LCD-MOSAIC (60Hz) 1180 Power Supply Input Current LCD-BLACK (75Hz) 1360 LCD-BLACK Power Consumption Watt Inrush current RUSH...
  • Page 24 All manuals and user guides at all-guides.com 4.3.4 Optical Characteristics (Ta= 25°C, V =5.0V, fv=60Hz, D = 77.0MHz, Is=60mA) Values Parameter Symbol Units Contrast Ratio 1000 Surface Luminance, white cd/m  Luminance Variation WHITE Gray To Gray GTG_AVR Response Time Gray To Gray G to G (BW) (BW)

  • Page 25: Block Diagram

    All manuals and user guides at all-guides.com 5. Block Diagram 5.1 Main Board CRYSTAL 12MHZ Panel Interface (X401) (CN409) Speaker (CN602) Flash Memory MX25L2026DM1I-1 Audio decoder Scalar IC NT68677UMFG/E 2G (U402) PAM8602MNHR (Include ADC, OSD, MCU) (U601) (U401) Key Control Interface (CN401) PHONE JACK D-Sub Connector...

  • Page 26: Schematic

    RED+ T P V ( Top Victory Electronics Co . , Ltd. ) OEM MODEL Size TPV MODEL 絬 隔 瓜 絪 腹 715G4981-M0D-000-004I-110311 i2353Ph Key Component 2.0.INPUT PCB NAME <称爹> 称 爹 Date Monday , May 09, 2011 Sheet...
  • Page 27 100N 16V T P V ( Top Victory Electronics Co . , Ltd. ) OEM MODEL Size 715G4981-M0D-000-004I-110311 TPV MODEL 絬 隔 瓜 絪 腹 i2353Ph Key Component 3.0HDMI PCB NAME <称爹> 称 爹 Monday , May 09, 2011 Sheet Date...
  • Page 28 AO3401A T P V ( Top Victory Electronics Co . , Ltd. ) OEM MODEL Size 715G4981-M0D-000-004I-110311 TPV MODEL 絬 隔 瓜 絪 腹 i2353Ph Key Component 4.0.OUTPUT PCB NAME <称爹> 称 爹 Monday , May 09, 2011 Sheet Date...
  • Page 29 T P V ( Top Victory Electronics Co . , Ltd. ) OEM MODEL Size Custom 絬 隔 瓜 絪 腹 715G4981-M0D-000-004I-110311 TPV MODEL i2353Ph Key Component 7.0.AUDIO PCB NAME <称爹> 称 爹 Date Monday , May 09, 2011 Sheet...
  • Page 30 100N 50V T P V ( Top Victory Electronics Co . , Ltd. ) OEM MODEL Size 715G4981-M0D-000-004I-110311 TPV MODEL 絬 隔 瓜 絪 腹 i2353Ph Key Component 6.0.POWER PCB NAME <称爹> 称 爹 Date Monday , May 09, 2011 Sheet...
  • Page 31 Electronics Co . , Ltd. ) OEM MODEL Size NC/120 OHM 絬 隔 瓜 絪 腹 715G4981-M0D-000-004I-110311 TPV MODEL i2353Ph Key Component 5.0.SCALER PCB NAME <称爹> 称爹 Date Monday , May 09, 2011 Sheet Aug-08-24 change value 0 to 4.7K...
  • Page 32 T P V ( Top Victory Electronics Co . , Ltd. ) OEM MODEL Size Custom 715G4981-M0D-000-004I-110311 TPV MODEL 絬 隔 瓜 絪 腹 i2353Ph Key Component 8.0.CONVERT PCB NAME <称爹> 称 爹 Monday , May 09, 2011 Sheet Date...

  • Page 33: Key Board

    CIN_05 MENU Auto Power T P V ( Top Victory Electronics Co . , Ltd. ) OEM MODEL AOC i2353Fh Size 715G4828-K0C-000-004S-110311 TPV MODEL 絬 隔 瓜 絪 腹 i2353Fh Key Component 2.0 Touch key PCB NAME 715G4828-K0C <称爹> 称 爹...

  • Page 34: Pcb Layout

    All manuals and user guides at all-guides.com 7. PCB Layout 7.1 Main Board 715G4981M0E000004L...

  • Page 35: Key Board

    All manuals and user guides at all-guides.com 7.2 Key Board 715G4828K0D000004M...

  • Page 36: Maintainability

    All manuals and user guides at all-guides.com 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 37: Trouble Shooting

    All manuals and user guides at all-guides.com 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 main board and check connections Replace key board and check connections...
  • Page 38 All manuals and user guides at all-guides.com 2. No Video (Power LED White) No Video (Power LED White) Press the power Replace the main board button is OK? Replace the main The end board and connection Check the LVDS/FFC Replace the LVDS/FFC cable or panel cable or panel Replace the key board...
  • Page 39 All manuals and user guides at all-guides.com 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...
  • Page 40 All manuals and user guides at all-guides.com 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?

  • Page 41: White-Balance, Luminance Adjustment

    All manuals and user guides at all-guides.com 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 simpl use “SC” key and “NEXT” Key to modify xyY value and use “ID”...
  • Page 42 All manuals and user guides at all-guides.com 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 ±30, y = 297 ±30 4.

  • Page 43: Monitor Exploded View

    All manuals and user guides at all-guides.com 10. Monitor Exploded View...
  • Page 44 All manuals and user guides at all-guides.com Description BEZEL BRACKET REAR COVER RUBBER FRONTSTAND HINGE BACK STAND TOP BASE LENS BASEDECO BOTTOM BASE MAIN_FRAME SHIELDING Part No. Description MAYLAR 0M1G3030--5-47-CR3 SCREW(BRACKET/PANEL) RUBBER BEZEL 0M1G-130--5225 SCREW(HINGE/BRACKET) TAPE DOUBLE 0M1G1730--6120 SCREW(MAIN BOARD/MAIN FRAME) FOOT 0M1G-140--8125 SCREW(MAINFRAME/HINGE)

  • Page 45: Bom List

    0M1G1730--6120 SCREW,42-D020523 0M1G3030--5-47-CR3 SCREW 0Q1G-140-10120 SCREW 708GDF06XWP-1A Wooden pallet Ass'y Q45G--77--5 PE PACKING (Y1900241) Q50G---4-10 TIE (Y1900221) Q52G---1185-99 big carton tape for aoc 750GBT230W3C11N000 BM230WF3-SJC1-8F1-A0 2436L-2298A BM230WF3-SJC1 3850L-0088A ID, YUPO, 78X37 6060L-2391A LM230WF3-SJC1-831 6091L-1758A BM230WF3-SJC1 3022L-1570A KOLON, XC210, T=0.123, BM230WF3-SJC1 KOLON, LE303, T=0.230, Angle = 4?,...
  • Page 46 7250L-1769A Ti-15, 526.0*3.9*0.25 7250L-0864A NITTO, NITTO 5000NS, Clear, 30*3*0.16 7250L-1488B Conductive Tape, STN1026W(P),15*25,T=0.11 -756GFBCB-AA006--00 MCU ASS'Y IC FLASH MX25L2026DM1I-12G 2Mb SOP-8 056G2233501 MXIC 100GANJD003FT1 AOC IPS 2353 A15G1685101 MAIN_FRAME A15G1686101 BRACKET A15G1687101 bezel A34G2661AEDA1B0100 rear cover A34G2665-Q1A1B0130 top base A34G2666--1-1C0100...
  • Page 47 All manuals and user guides at all-guides.com 033G3802-7B--Y---L WAFER 7P 2.0MM XIANGLONG 2nd source 040G-45762412B CBPC LABEL C809 067G-415330-9L EC 33UF 20% 100V RZW 8*11.5 067G-415330-9K EC 33UF 20% 100V ED 8*12 2nd source C718,C801 067G204V181-3K CS CAP 180uF 16V 8*8 mm F67G204V181-3L 180uF -20% 16V 105 2000H 8*8...
  • Page 48 All manuals and user guides at all-guides.com R425,R432,R442,R4 51,R501,R502,R503, R504,R505,R506,R5 TEST ONLY RST 0402 0.05R MAX 1/16W 07,R509,R510,R518, 061G0402000-JI TA-I R519,R520,R521,R5 22,R523,R524,R526, R527 R102,R103,R104,R5 061G0402100-JI TEST ONLY RST 0402 10R 5% 1/16W TA-I 15,R533 R110,R112,R113,R4 14,R415,R417,R440, 061G0402101-JI bEST ONLY RST 0402 100R 5% 1/16W TA-I R447,R448,R508,R5 25,R616,R706 R124,R511,R529,R5...
  • Page 49 All manuals and user guides at all-guides.com R116,R117,R303,R4 05,R406,R437,R443, 061G0402472-JI TEST ONLY RST CHIP 4.7K 5% 1/16W TA-I R512,R513,R530,R5 31,R705 R101,R105,R106 061G0402750-JI TEST ONLY RST 0402 75R 5% 1/16W TA-I R808 061G0603000-JF RST CHIPR MAX 0R05 1/10W FENGHUA R111,R441,R444,R6 TEST ONLY RST 0603 0.05R MAX 1/16W 061G0603000-JI TA-I R807...
  • Page 50 All manuals and user guides at all-guides.com C111,C112,C633,C7 065G040222031J---A MLCC 0402 22pF +-5% 50V NPO SAMSUNG MLCC 0402 220pF +-5% 50V NPO TAIYO C437,C438 065G040222131J---T YUDEN C604,C722 065G040222232K---Y MLCC 0402 2.2nF +-10% 50V X7R YAGEO C115,C303,C424,C5 MLCC 0402 0.22uF +-10% 16V X5R TAIYO 065G040222415K---T 01,C504 YUDEN...
  • Page 51 All manuals and user guides at all-guides.com C611,C612,C628,C6 MLCC 0603 0.47uF +-10% 16V X7R 065G060347412K---A SAMSUNG C402,C405,C412,C4 14,C416,C419,C420, 065G0805106A5K---A MLCC 0805 10uF +-10% 10V X5R SAMSUNG C425,C436,C616,C6 MLCC 0805 0.47uF +-10% 50V X7R TAIYO C804,C810,C811 065G080547432K---T YUDEN MLCC 0805 0.47uF -10% 50V X7R 065G080547432K---A 2nd source SAMSUNG...
  • Page 52 2nd source F12G6600002 rubber F12G69001J0001 RUBBER BEZEL F12G69001J0002 RUBBER BEZEL F33G0003-X2-1B0100 frontstand F33G0004-X2-1B0100 back stand F40G-23E615-4A ID Label for i2353Ph CH F40G000361510A POP Label for i2353Ph F41G78D1615-1A warranty card F44GDF06101 F44GDF06201 F44GDF06615-2A Carton for i2353Ph F52G1201162001 3M tape F52G1501155001 insulation tape 50*55...
  • Page 53 All manuals and user guides at all-guides.com RST CHIPR 4.7KOHM -5% 1/16W 061G0402472-JF 2nd source FENGHUA C008 065G040210131J---Y MLCC 0402 100pF +-5% 50V NPO YAGEO C005,C006,C007 065G040210412K---A MLCC 0402 0.1uF +-10% 16V X7R SAMSUNG MLCC 0402 0.1uF -10% 16V X7R TAIYO 065G040210412K---T 2nd source YUDEN...

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