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Service Guide Version and Revision Version Release Date Revision History TPV model Jul.-23-2007 Initial Release T77SRDDNHSABN...
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Any Acer Incorporated software described in this manual is sold or licensed "as is". Should the programs prove defective following their purchase, the buyer (and not Acer Incorporated, its distributor, or its dealer) assumes the entire cost of all necessary servicing, repair, and any incidental or consequential damages resulting from any defect in the software.
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DIFFERENT part number code to those given in the FRU list of this printed Service Guide. You MUST use the list provided by your regional Acer office to order FRU parts for repair and service of customer machines. Warning: (For FCC Certified Models) Note: This equipment has been tested and found to comply with the limits for a Class B digital device, pursuant to Part 15 of the FCC Rules.
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Precautions Do not use the monitor near water, e.g. near a bathtub, washbowl, kitchen sink, laundry tub, swimming pool or in a wet basement. Do not place the monitor on an unstable trolley, stand, or table. If the monitor falls, it can injure a person and cause serious damage to the appliance.
Chapter 1 Monitor Features Introduction Electrical Requirements LCD Monitor General Specification LCD Panel Specification Support Timing Monitor Block Diagram Main Board Diagram Software Flow chart Main Board Layout Installation Attaching/Removing the base Chapter 2 Operating Instructions External Controls Front Panel Controls eColor Management (OSD) How to Adjust a Setting LOGO...
50k hours or more. Panel Signal Interface Sync Type Color Temp User Adjust Speaker Headphone Jack Microphone Jack USB Hub Tilt / Swivel Chart of X173 LTM170EU-L31 D-Sub 15-pin Separate / Compatible Support DDC2B Not support Yes / No Chapter 1...
Electrical Requirements Standard Test Conditions All tests shall be performed under the following conditions, unless otherwise specified. Ambient light Viewing distance Warm up time All specifications Measuring equipment Control temperature User brightness control User contrast control User red/white balance, Green/white balance and Blue/white balance control AC Supply voltage Ambient temperature...
Monitor Block Diagram The LCD MONITOR will contain a main board, a power board, and keypad 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.
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Remark: 1) MCU initializes. 2) Is the EEPROM blank? 3) Program the EEPROM by default values. 4) Get the PWM value of brightness from EEPROM. 5) Is the power key pressed? 6) Clear all global flags. 7) Are the AUTO and SELECT keys pressed? 8) Enter factory mode.
Operating 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. • The power cord should be connected. •...
OSD Message a. Outline b. The Description For OSD Message Item Auto Config When Analog signal input, if User Press Hot-Key “Auto”, will show this message, and the Please Wait monitor do the auto config function. Input Not When the Hsync Frequency, Vsync Frequency or Resolution is out of the monitor Supported support range, will show this message.
Logo When the monitor is power on, the LOGO will be showed in the center, and disappear slowly. How To Optimize The DOS-Mode Plug And Play Plug & Play DDC2B Feature This monitor is equipped with VESA DDC2B capabilities according to the VESA DDC STANDARD. It allows the monitor to inform the host system of its identity and, depending on the level of DDC used, communicate additional information about its display capabilities.
Machine Disassembly This chapter contains step-by-step procedures on how to disassemble the monitor for maintenance. Disassembly Procedure 1. Remove the cover hinge marked in red. (Fig 1) 2. Remove the screws to release base stand . (Fig 2) Fig 1 Fig 2 Chapter 3...
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3. Remove the back cover and regard the hook. (Fig 3-4) 4. Remove the keyboard. (Fig 5) Fig 3 Fig 4 Fig 5...
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5. Remove the bezel. (Fig 6) 7. Remove the screws to remove the panel. (Fig 7-10) Fig 6 Fig 7 Fig 8...
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Fig 9 Fig 10 8. Remove the screw as following indicate to remove the main board and power board. (Fig 11-13) Fig 11...
Troubleshooting This chapter provides troubleshooting information for the X173: 1. No Power Press power key and look if the picture Please reinsert and make sure the AC of 100-240 is normal Measure U201 Pin 3=5V, U201 Pin 2=3.3V Check if X401 oscillate...
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2. No Picture No picture Measure U201 PIN2=3.3V Check if X401oscillate waveforms are normal Check if the sync signal from computer is output and video cable is connected normally Replace U401, U501 Replace U201 Replace X401 Input the sync signal of computer, or change the cable...
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3. Panel Power Circuit Check CN601 PIN 23 should have response from 0V to 5V When we switch the power switch from on to off Replace panel 4. Keypad Board OSD is unstable or not working Is Keypad board connecting normally? Is Button Switch normally? Is Keypad board normally? Check main board...
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5. No Backlight Check C802 (+) =12V Check ON/OFF signal Check IC801 pin12=12V? Check the pin9&10 of IC801 have PWM wave Check the resonant wave of pin6 & pin1 for PT801, PT802 Check the output of PT801, PT802 Check connecter & lamp Change FB801,Q805 Q808, Q810 Check Interface board Change Q805.Q808 or Q810...
NOTE: To scrap or to return the defective parts, you should follow the local government ordinance or regulations on how to dispose it properly, or follow the rules set by your regional Acer office on how to return it. Chapter 6...
R213 10K 1/16W LED_G# Q205 LED_G PMBS3906 T P V ( Top Victory Electronics Co . , Ltd. ) OEM MODEL X173 TPV MODEL T77SRDDNHABN G2498-1-K-AC-1-070707 02.POWER PCB NAME 715G2498-1-K-AC Date Monday , July 09, 2007 Sheet Chapter 7 Size...
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75R 1/16W C311 R315 100R 1/16W RTD_R- 0.047uF T P V ( Top Victory Electronics Co . , Ltd. ) OEM MODEL X173 TPV MODEL T77SRDDNHSABN G2498-1-K-AC-1-070707 03.input PCB NAME 715G2498-D-K Monday , July 09, 2007 Sheet Date RTD_B+ RTD_B-...
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R436 C410 3.9KΩ 1/16W 10K 1/16W 0.1uF/16V T P V ( Top Victory Electronics Co . , Ltd. ) OEM MODEL X173 TPV MODEL 絬 隔 瓜 絪 腹 T77SRDDNHSABN G2498-1-K-AC-1-070707 Key Component 04.MCU/RTD2120L PCB NAME 715G2498-1-K-AC Date Monday , July 09, 2007...
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TXE1- LVDS_E8 RXE1+ LVDS_E9 TXE1+ T P V ( Top Victory Electronics Co . , Ltd. ) OEM MODEL X173 TPV MODEL T77SRDDNHSABN 絬 隔 瓜 絪 腹 G2498-1-K-AC-1-070707 Key Component 05.RTD2525L PCB NAME 715G2498-1-K-AC Date Monday , July 09, 2007...
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T P V ( Top Victory Electronics Co . , Ltd. ) OEM MODEL TPV MODEL 絬 隔 瓜 絪 腹 G2498-1-K-AC-1-070707 Key Component 06.OUTPUT PCB NAME Monday , July 09, 2007 Sheet Date CN601 PANEL_VCC PANEL_VCC Size X173 T77SRDDNHSABN 715G2498-1-K-AC 称爹...