AOC 193P+ SERVICE MANUAL 19” LCD MONITOR 193P+ THESE DOCUMENTS ARE FOR REPAIR SERVICE INFORMATION ONLY. EVERY REASONABLE EFFORT HAS BEEN MADE TO ENSURE THE ACCURACY OF THIS MANUAL; WE CANNOT GUARANTEE THE ACCURACY OF THIS INFORMATION AFTER THE DATE OF PUBLICATION AND DISCLAIMS RE LIABILITY FOR...
AOC 193P+ Revision List Version Date Revision History TPV Model Name Jan-18-06 Initial Release T980KA2NKLACN Sep-01-06 Add TPV Model in item 12 T95AM2NKBLAO3P...
AOC 193P+ 2. LCD Monitor Description The LCD monitor will contain a main board, an inverter board, a keypad board and an adapter board which house the flat panel control logic, brightness control logic and DDC. The Inverter board will drive the backlight of panel and DC-DC conversion.
AOC 193P+ 3. Operating Instructions 3.1 General Instructions Press the power button to turn the monitor on or off. The other control buttons are located at front panel of the monitor. By changing these settings, the picture can be adjusted to your personal preferences.
AOC 193P+ 3.3 Adjusting The Picture 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. If the function selected has a sub-menu, press ▲ or ▼ again to navigate through the sub-menu functions.
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AOC 193P+ 100) will not be User / Red Red Gain from Digital-register. 0-100 Modified by Reset function. User /Green Green Gain from Digital-register. 0-100 User / Blue Blue Gain from Digital-register. 0-100 Select input signal from analog Analog Input Select...
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AOC 193P+ REMARK: 1) MCU initializes. 2) Is the EPROM blank? 3) Program the EPROM by default values. 4) Get the PWM value of brightness from EPROM. 5) Is the power key pressed? 6) Clear all global flags. 7) Are the AUTO and SELECT keys pressed? 8) Enter factory mode.
AOC 193P+ 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.
AOC 193P+ 8.2 Trouble Shooting 8.2.1 Main Board No power No power Press power key and look if the picture is normal Please reinsert and make sure the AC of 100-240 is normal Reinsert or check the Adapter/Inverter section Measure U201 PIN2=1.8V U202 PIN2=3.3V...
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AOC 193P+ No picture (LED orange) No picture The button if X601 oscillate Replace X601 under control waveform is normal Check reset circuit of Check Correspondent component U601 is normal Measure U201 PIN2=1.8V U202 PIN2=3.3V Replace U601 Replace U201, U202...
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AOC 193P+ White screen White screen Measure Q204 base X601 oscillate waveform is normal is high level? Replace X601 Check Q204 is broken or Check reset circuit of CN503 solder? U601 is normal Check Correspondent Check Correspondent component. component. Replace Panel...
AOC 193P+ 8.2.2 Power/Inverter Board 1) No power Check CN102 pin 5/6 = 12V Check AC line volt 110V or 220V Check AC input Check the voltage of C904 (+) Check bridge rectified circuit and F901 circuit Check start voltage for the pin3 of IC901...
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AOC 193P+ 2) W / LED, No Backlight Check C201 (+) =12V Check adapter Check ON/OFF signal Check Interface board or main board Check U201 pin9=12V Change Q201 or Q202 Check U201 PIN 10 / 7 have the output of sawtooth wave at short time Change U201 Check D201/D202 (-) has the output of square wave at short time.
AOC 193P+ 8.2.3 Keypad Board OSD is unstable or not working Is Key Pad Board connecting normally? Connect Key Pad Board Replace Button Switch Is Button Switch normally? Replace Key Pad Board Is Key Pad Board normally? Check Main Board...
(Center). The exact brightness values are confirmed by the checking-regulations of different customers and different models. ②. Steps of white-balance adjustment for LCD:(Take 17” AOC LCD LM724 for example) Required instruments: Chroma7120、Chroma2325(BGA265A) 。 First connect the instruments together and turn on the LCD power, then warm up for 30 minutes under full white screen mode.
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Serial No.:”after dual-click the document to be ready for DDC-writing. 3. Input the serial number of the product (For instance: AOC LM725 is 13 bits), and then press ENTER to start writing 4. Check the indication of DDC-writing program at the end. When you see the picture as the schematic picture above, the“Data compare OK!”...
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AOC 193P+ Notes: 1. Make sure the system time of PC is in accordance with the real time before writing. 2. The schematic picture is just as an example for description, the exact content of the DDC is dependent on the serial number of the BARCORD of this model.
AOC 193P+ 10. White- Balance, Luminance Adjustment Approximately 30 minutes should be allowed for warm up before proceeding White-Balance adjustment. 1. How to do the Chroma-7120 MEM. Channel setting A. Reference to chroma 7120 user guide B. 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 2.
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AOC 193P+ D201 093G3004 1 SMAL340XXXRO 3A 40V SMA FULL P D201 093G3004 2 SR34 PAN JIT D202 093G3004 2 SR34 PAN JIT ID942CKD2AIP INVERTER BOARD FOR AI 077G 604 2 CJ TSDPA-2-T-NP 077G 604 2 CJ TSDPA-2-T-NP 077G 604 2 CJ...
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