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Table of Contents
Related Manuals for Acer B193R
Summary of Contents for Acer B193R
- Page 1 Acer B193R Service Guide...
- Page 2 Service Guide Version and Revision Version Release Date Revision History TPV model T97HNAD8K3ABHN/ Mar.-24-2008 Initial Release T97HNAD8K3ABDN...
- Page 3 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.
- Page 4 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.
- Page 5 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.
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Page 6: Table Of Contents
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... -
Page 7: Chapter 1 Monitor Features
50k hours or more. Panel Signal Interface Sync Type Color Temp User Adjust Speaker Headphone Jack Microphone Jack USB Hub Tilt / Swivel Chart of B193R HSD190MEN3-A00 D-Sub 15-pin / DVI 24-pin Separate / Compatible Support DDC2B T97HNAD8K3ABDN:Yes T97HNAD8K3ABHN:No T97HNAD8K3ABDN:Yes T97HNAD8K3ABHN:No... -
Page 8: Electrical Requirements
Electrical Requirements Standard Test Conditions All tests shall be performed under the following conditions, unless otherwise specified. Ambient light Viewing distance Warm up time Analog Input signal Control temperature Brightness control User contrast control Picture position and size Viewing angle AC Supply voltage Ambient temperature Display mode... -
Page 9: Lcd Monitor General Specification
LCD Monitor General Specification Driving system Active Display Area Pixel pitch LCD Panel Contrast Ratio Response time Luminance of White Separate Sync. Input H-Frequency V-Frequency Viewing angle (H)170 (V) 160(Type) Display Colors 16.7M Display mode 1280 x 1024 @75Hz ON Mode EPA ENERGY STAR®... -
Page 10: Lcd Panel Specification
LCD Panel Specification General Specifications Mechanical Information Electrical Characteristics... - Page 11 Optical Specifications...
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Page 12: Support Timing
Support Timing... -
Page 13: Monitor Block Diagram
Monitor Block Diagram The LCD MONITOR will contain a main board, a power board, and 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 14: Main Board Diagram
Main Board Diagram Crystal LCD Interface (X201) (CN402) 12MHz Key Board U203 Control Scalar IC NT68665MFG-128 CN407 (Include MCU ,ADC, OSD) · H sync V sync D-Sub Connector Connector (CN101) (CN102) -
Page 15: Software Flow Chart
Software Flow Chart... - Page 16 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.
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Page 17: Main Board Layout
Main Board Layout Symbol Description CN407 WAFER CN301 WAFER 9P RIGHT ANELE PITCH CN402 CONNECTOR CN101 D-SUB 15PIN U204 IC AF24BC16-SI 16K SOIC-8 Symbol Description CN102 DVI 24PIN CONNECTOR U203 IC NT68665MFG-128 QFP-128L U301 IC AP1117D33LA TO252-3L ATC U304 IC AP1117E18LA SOT223-3L ANACHIP... -
Page 18: Installation
Installation To install the monitor on your host system, please follow the steps below: Steps 1.Connect the video cable A: Make sure both the monitor and computer are switched off. B: Connect the VGA video cable to the computer. C: Connect the digital cable (only for dual-input models). (1) Make sure both the monitor and computer are switched off. -
Page 19: Attaching/Removing The Base
Attaching/Removing The Base Install: Align the base with the stand and push the base towards the top of the monitor, and then rotate the base clockwise. Tighten the screw clockwise. Remove: Reverse the steps to remove the base. Screen Position Adjustment In order to optimize the best viewing position, you can adjust the height/tilt/swivel/pivot of the monitor. - Page 20 Tilt Please see the illustration below for an example of the tilt range. Swivel With the built-in pedestal, you can swivel the monitor for the most comfortable viewing angle. Monitor Pivot Adjust height to the top position before rotation the monitor. Rotate clockwise until the monitor stops at 90°.
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Page 21: Chapter 2 Operating Instructions
Chapter 2 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. •... -
Page 22: Ecolor Management (Osd)
eColor Management (OSD) -
Page 23: How To Adjust A Setting
How to Adjust a Setting... - Page 24 Adjusting the picture...
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Page 26: Logo
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. -
Page 27: Chapter 3 Machine Disassembly
Chapter 3 Machine Disassembly This chapter contains step-by-step procedures on how to disassemble the monitor for maintenance. Disassembly Procedure 1. Remove the HINGE ASSEMBLY as the following indicator. (Fig 1) Fig 1 2. Remove the back cover and bezel. (Fig 2) Fig 2... - Page 28 3. Remove the lamp connectors and the screw. (Fig 3) 4. Remove the screws to remove the panel. Pay attention to the LVDS cable.(Fig 4-5) Fig 3 Fig 4 Fig 5...
- Page 29 5. Remove the screws to remove the main board and power board.( Fig 6) Fig 6...
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Page 30: Chapter 4 Troubleshooting
Troubleshooting This chapter provides troubleshooting information for the B193R: 1. No Power Press power key and look if the picture is normal Please reinsert and make sure the AC of 100-240 is normal Measure Pin2=1.8V Check if X201 oscillate waveforms are normal... - Page 31 2. No Picture (LED is orange) No picture The button if under control Measure U301 Pin2=3.3V, U304 Pin2=1.8V Check X201 oscillate waveform is normal Check HS/VS from CN101 is normal Replace U203 X201 oscillate waveform is normal Check reset circuit of U203 is normal Replace U203 Replace U301, U302...
- Page 32 3. Panel Power Circuit White screen Measure Q301 base is high level? Check CN402 is solder and Q301, Q302 is OK? Check Correspondent component. Replace PANEL X201 oscillate waveform is normal Check reset circuit of U203 is normal Replace U203 Replace X201 Check Correspondent component.
- Page 33 4. Key Board OSD is unstable or not working Is Key Pad Board connecting normally? Connect Key Board Replace Button Switch Is Button Switch normally? Replace Key Board Is Key Pad Board normally? Check Main Board...
- Page 34 5. Power Board No power No power Check to CN902 Pin10,11 =14V and Pin6,7 = 5 V Check AC line volt 120V or 220V Check the voltage of C905(+) Check start voltage for the Pin2 of IC901 Check the auxiliary voltage is smaller than 20V Check T901,D906, D907, Q903,ZD921,ZD922,IC904,IC903 Check Interface board Change F901, Check BD901, L901, IC901...
- Page 35 W/LED No Backlight Check the 14V voltage input Check ON/OFF signal Check IC801 pin12=12V? Check the pin9&10 of IC801 have PWM wave Check the resonant wave of pin3 & pin7 for T801 Check the output of T801, T802 Check connecter & lamp Check the adapter Check Interface board Change Q805.Q808 or Q810...
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Page 36: Chapter 5 Connector Information
Chapter 5 Connector Information The following figure shows the connector locations on the monitor: D-SUB connector... - Page 37 DVI Connector...
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Page 38: Chapter 6 Fru (Field Replacement Unit) List
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. Exploded Diagram (Model: B193R) -
Page 39: Part List
Part List Above picture show the description of the following component. Item Picture Description HINGE ASSEMBLY MAIN FRAME Panel... - Page 40 Power Board Main Board FFC CABLE...
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Page 41: Chapter 7 Schematic Diagram
Schematic Diagram Main Board 2007/05/08 R106 10R 1/16W RX2M RX2- RX2- RX2P ZD103 RX2+ RX2+ RLZ5.6B R107 RX4- 10R 1/16W RX4+ DDCSCL_D DDCSDA_D R110 10R 1/16W RX1M ZD104 RX1- RX1- RX1P RLZ5.6B RX1+ RX1+ R111 RX3- 10R 1/16W RX3+ R115 10R 1/16W RX0M R113 10K 1/16W 5%... - Page 42 FB202 DVI_VDD 120OHM ADC_VAA VGA_VDD C203 Q201 2N3906S-RTK/PS 0.1uF 16V D201 R206 BAV70 4K7 1/16W FB203 120 OHM DVDD C204 C205 INT_EDID MCU POWER 070617 CHANGE 0.1uF 16V 0.1uF 16V FB204 +3.3VCC 120OHM AVCC R233 NC/750R OHM 1/16W 5% C206 C207 0.1uF 16V 0.1uF 16V...
- Page 43 R305 10K 1/16W R307 C304 1/16W R308 4K7 1/16W Q301 PANEL_PWR 2N3904S-RTK/PS 1uF 16V C308 R304 10K 1/16W 1uF 16V R309 PANEL_IDX 100R 1/16W CN301 FB303 +12V 120 C315 100uF/16V C317 0.1uF 16V CONN C316 0.1uF/25V PANEL_VCC R302 R303 C302 10uF/16V C303...
- Page 44 120R 1/16W 5% 2N3906S-RTK/PS C406 0.1uF 16V +3.3VCC Q403 R418 330R 1/16W 5% 2N3906S-RTK/PS C407 Change R418 to 330 to reduce the LED luminance for acer request. 0.1uF 16V +3.3VCC KEY 1_PAD KEY 2_PAD POWER LED_G LED_O R424 NC/100R 1/16W...
- Page 45 Power board BD901 2KBP08M C905 R904 100uF/450V 300K OHM 1/4W C938 R932 1500pF/1KV 300K OHM 1/4W C904 C907 ZD906 0.1uF L901 R933 300K OHM 1/4W 4.0mH IC901 C903 0.47uF/275V COMP LD7552BPS R915 100K OHM 1% 1/8W R903 R902 R901 680K OHM 1/4W 680K OHM 1/4W 680K OHM 1/4W C928...
- Page 46 F801 0R05 1/4W +14V R804 3.6K OHM 1% 1/10W 100R 1/8W Q808 PDTA144WK Q805 PDTC144WK ON/OFF C807 0.1uF/25V R827 1K 1/10W 1% Q806 PMBS3904 R813 R808 10K 1/10W 1% 10K 1/10W 1% D817 LL4148 Q810 RK7002 R811 2.4K OHM 1% 1/10W D809 LL4148 R802...
- Page 47 R608 0R05 1/8W CN602 R606 10K 1/10W 5% R607 10K 1/10W 5% PHONEJACK CN604 ㎝ CN603 Layout change R609 R610 R611 R612 CN604 add R616 EAR-LOUT EAR-ROUT SEL-BTL change R601 R613 NC/CONN CN603 SEL-BTL 330 OHM +-5% 1/10W EAR-LOUT EAR-ROUT PHONEJACK 330 OHM +-5% 1/10W...
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Page 48: Key Board
Key board CN001 LBADC1 LBADC2 POWER_Key LED_BLUE# LED_RED# C001 CONN MENU LBADC1 VOL- (GND) VOL+ LBADC2 AUTO ECOLOR (GND) CN001 CONNECTOR ECOLOR AUTO MENU VOL- ZD001 UDZSNP5.6B add ZD001 and ZD002 for ESD solution LED001 LED ZD002 UDZSNP5.6B LED_BLUE# LED_RED# C002 C003 C004...