Page 2 - Initial
2 Service Guide Version and Revision Version Release Date Revision History TPV model A00 Mar.-24-2008 Initial Release T97HNAD8K3ABHN/ T97HNAD8K3ABDN
Page 4 - Preface; user's authority to operate the equipment.
4 Preface Before using this information and the product it supports, please read the following general information. 1. This Service Guide provides you with all technical information relating to the BASIC CONFIGURATION decided for Acer's "global" product offering. To better fit local market r...
Page 5 - Precautions; monitor from damage due to power surges.; Special Notes On LCD Monitors; then turn it on again to make sure the flicker disappears.
5 Precautions z Do not use the monitor near water, e.g. near a bathtub, washbowl, kitchen sink, laundry tub, swimming pool or in a wet basement. z 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....
Page 6 - Table Of Contents
6 Table Of Contents Chapter 1 Monitor Features ………………………………………… 7 Introduction ……………………………………… 7 Electrical Requirements ……………………………………… 8 LCD Monitor General Specification ……………………………………… 9 LCD Panel Specification ……………………………………… 10 Support Timing ……………………………………… 12 Monitor Block Diagram …………………………...
Page 7 - Monitor Features; Introduction; Scope; Chapter 1
7 Monitor Features Introduction Scope This specification defines the requirements for the 19” MICROPROCESSOR based Multi-mode supported high resolution color LCD monitor. This monitor can be directly connected to general 15-pin D-sub VGA connector and 24 pin DVI connector, also supports VESA DPMS po...
Page 8 - Electrical Requirements; Standard Test Conditions
8 Electrical Requirements Standard Test Conditions All tests shall be performed under the following conditions, unless otherwise specified. Ambient light Dark room (< 1 cd/m2) Viewing distance 40 cm for LCD performance, 20 cm for LCD failures Warm up time > 30 minutes Analog Input signal 700 mVss...
Page 9 - LCD Monitor General Specification
9 LCD Monitor General Specification Driving system TFT Color LCD Active Display Area 376.32 (H) x301.056 (V) Pixel pitch 0.294(H) x 0.294(V) Contrast Ratio 1000 : 1 Response time 5ms LCD Panel Luminance of White 300(Typ.) cd/ ㎡ Separate Sync. H/V TTL H-Frequency 30kHz – 80kHz Input V-Frequency 55-75...
Page 10 - LCD Panel Specification; Mechanical Information; Electrical Characteristics
10 LCD Panel Specification General Specifications Mechanical Information Electrical Characteristics
Page 11 - Optical Specifications
Page 12 - Support Timing
Page 13 - Monitor Block Diagram; Inverter Board
13 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. I...
Page 15 - Software Flow Chart
15 Software Flow Chart N Y 1 2 N Y 5 Y N 10 Y N 12 Y N 7 Y N 6 4 3 8 9 14 11 13 Y N 15 Y N 16 17 19 Y N 18
Page 17 - Main Board Layout; Symbol Description Symbol Description; WAFER
17 Main Board Layout Symbol Description Symbol Description CN407 WAFER CN102 DVI 24PIN CONNECTOR CN301 WAFER 9P RIGHT ANELE PITCH U203 IC NT68665MFG-128 QFP-128L CN402 CONNECTOR U301 IC AP1117D33LA TO252-3L ATC CN101 D-SUB 15PIN U304 IC AP1117E18LA SOT223-3L ANACHIP U204 IC AF24BC16-SI 16K SOIC-8
Page 18 - Installation
18 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 ...
Page 19 - Attaching/Removing The Base; Remove: Reverse the steps to remove the base.; Screen Position Adjustment; Height Adjustment
19 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 posi...
Page 20 - Tilt; Please see the illustration below for an example of the tilt range.; Swivel
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 9...
Page 21 - Operating Instructions; The power cord should be connected.; External Controls; Front panel controls; Chapter 2
21 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. • Connect the video cable f...
Page 23 - How to Adjust a Setting
Page 24 - Adjusting the picture
Page 26 - Logo; How To Optimize The DOS-Mode
26 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 ho...
Page 27 - Machine Disassembly; Disassembly Procedure; Chapter 3
27 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 Chapter 3
Page 30 - Troubleshooting; Chapter 4
30 Troubleshooting This chapter provides troubleshooting information for the B193R: 1. No Power Chapter 4 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 power section Check if X201 oscillate waveforms are nor...
Page 32 - Panel Power Circuit
32 3. Panel Power Circuit White screen Measure Q301 base is high level? X201 oscillate waveform is normal Check CN402 is solder and Q301, Q302 is OK? Check Correspondent component. Replace PANEL Check Correspondent component. Replace U203 OK OK OK Replace X201 OK NG NG NG NG Check reset circuit of U...
Page 34 - No power
34 5. Power Board No power Check to CN902 Pin10,11 =14V and Pin6,7 = 5 V OK Check Interface board Check AC line volt 120V or 220V Change F901, Check BD901, L901, IC901 Check the voltage of C905(+) Check bridge retified circuit Check start voltage for the Pin2 of IC901 Change IC901 OK Check the auxil...
Page 36 - Connector Information; Chapter 5
36 Connector Information The following figure shows the connector locations on the monitor: D-SUB connector Chapter 5
Page 37 - DVI Connector
Page 38 - FRU (Field Replaceable Unit) List; Chapter 6
38 FRU (Field Replaceable Unit) List This chapter gives you the FRU (Field Replaceable Unit) listing in global configurations of B193R.Refer to this chapter whenever ordering for parts to repair or for RMA (Return Merchandise Authorization). NOTE: Please note WHEN ORDERING FRU PARTS, that you should...
Page 39 - Part List; Item Picture; HINGE ASSEMBLY
39 Part List Above picture show the description of the following component. Item Picture Description 1 HINGE ASSEMBLY 2 MAIN FRAME 3 Panel
Page 41 - Schematic Diagram; Main Board; Chapter 7
41 Schematic Diagram Main Board R1 2 7 100 R 1/ 16 W 120 D108 BAV99 3 1 2 070722 Change to 10Kohm +5V_ESD DD C_WP 3 CN101 DB15 1 6 27 3 8 4 9 5 11 12 13 14 15 10 17 16 C 123 1000pF RX0P R439 NC DDCSCL C111 0.1uF 16V DVI_SCL 3 RX2M R 102 1K 1/16W NC CN403,R220 , FB403 NC CN102 NC VOLUME CON. CN406(6P...
Page 45 - Power board
45 Power board ! +5V CN902 HARNESS 1 2 3 4 5 6 7 8 9 10 11 12 13 14 R907 NC C930 0.1uF MUTE R962 100 OHM 1/4W - + BD901 2KBP08M 2 1 3 4 L904 1.1uH ! ! R938 10K 1/8W Z D901 NC 1 2 ! R925 1K 1/8W HS3 HEAT SI NK(Q901) 12 + C915 470uF /16V D916 LL4148 T901 POWER X'FMR 4 5 6 7 8 9 10 11 12 4 61 3 D905 SP...
Page 47 - Layout; V type
47 R608 0R05 1/8W LOUT- C617 0.47uF/16V change R601 R613 +5V_Audio CN602 PHONEJACK 1 2 3 5 4 R605 10K 1/10W 5% R613 330 OHM +-5% 1/10W R617 1K 1/10W 5% CN604 ㎝ CN603 Layout U601 EUA6021AIIT1 56G 616 40 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 PGN D ROUT- PVD D RIN+ RIN- VD D LIN- LIN+ PV...
Page 48 - Key board; AUTO
48 Key board LED_RED# C 006 NC EC O LOR ECOLOR VOL+ R001 2K OHM 1/16W ECOLOR C 008 NC (GND) LBADC1 LED C005 NC CN001 CONN 1 2 3 4 5 6 C0 07 NC AUTO LED_RED# POWER_Key C002 NC LED001 LED 3 4 1 2 ME NU 0 V C001 NC POW E R _Key LBADC2 VOL+ LBADC2 C003 NC MENU CONNECTOR (GND) VO L- C004 NC AUTO R003 1K ...