Page 2 - Service Guide Version and Revision; Version; Initial
2 Service Guide Version and Revision Version Release Date Revision History Customer model TPV model A00 Dec.-02-2008 Initial Release X233H TDRSNDD8Y2ABPN
Page 4 - Preface; Reorient or relocate the receiving antenna.
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 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 Factory Preset Timing ……………………………………… 13 Monitor Block Diagram ………...
Page 7 - Monitor Features; Introduction; Scope; Chapter 1
7 Monitor Features Introduction Scope This short specification describes the electrical, optical and functional performance requirements for a 58.4cm (23”) TFT LCD color monitor with VGA&DVI compatible interface. Description The LCD monitor is designed with the latest LCD technology to provide a...
Page 8 - Electrical Requirements of X233H; Standard Test Conditions; Measurement systems
8 Electrical Requirements of X233H Standard Test Conditions All tests shall be performed under the following conditions, unless otherwise specified. Ambient light Dark room (< 1 cd/m 2 ) Viewing distance 40 cm for LCD performance, 20 cm for LCD failures Warm up time > 30 minutes Analog Input sign...
Page 9 - LCD Monitor General Specification
9 LCD Monitor General Specification Model name X233H Driving system TFT Color LCD Active Display Area 509.76 (H) × 286.74(V) Pixel pitch 0.2655(H) x 0.2655(W) Contrast Ratio 40000 : 1 Max(ACM) Response time 5ms(Typ.) LCD Panel Luminance of White 300(Typ.) cd/ ㎡ Separate Sync. H/V TTL H-Frequency 30k...
Page 10 - LCD Panel Specification of X233H; General Specifications; Block Diagram; TFT LCD Module
10 LCD Panel Specification of X233H General Specifications Block Diagram TFT LCD Module
Page 11 - Back light Unit; Electrical Characteristics
Page 12 - Optical Specifications
Page 14 - Monitor Block Diagram
14 Monitor Block Diagram The LCD MONITOR will contain a main board, a power board, a usb board and a 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 e...
Page 15 - Main Board Diagram
15 Main Board Diagram Flash Memory SST25VF010A-33-4C-SAE (U402) Panel Interface (CN301) Crystal 12MHz (X401) Keypad Interface (CN402) Scalar IC NT68667UFG/C QFP-128L (Include MCU, ADC, OSD) (U401) D-Sub Connector (CN101) H sync V sync RGB DVI Connector (CN102) D-DataD-Clock
Page 16 - Software Flow Chart
16 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 18 - Main Board Layout; Symbol Description; WAFER
18 Main Board Layout Symbol Description Symbol Description U401 IC NT68667UFG/C QFP-128L CN402 WAFER U703 IC AP1117D33L-13 TO252-3L DIODES CN701 WAFER 9P RIGHT ANELE PITCH U103 IC AZC099-04S SOT23-6L CN301 CONNECTOR U104 IC AZC099-04S SOT23-6L X401 CRYSTAL 12MHz HC-49US ARG6-120 U402 SST25VF010A-33-...
Page 19 - Installation
Page 21 - Operating Instructions; The power cord should be connected.; External Controls; Front panel controls; To turn ON or OFF the power.; 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 22 - Operation instructions
22 eColor Management (OSD) Operation instructions Step 1: Press “ Key” to open the Acer e-Color Management OSD and access the scenario modes Step 2: Press “<” or “>” to select the mode Step 3: Press “Auto Key ” to confirm the mode and run Auto Adjust
Page 23 - How to Adjust a Setting
Page 24 - Adjusting the picture
Page 27 - Machine Disassembly; The tool for disassembly is as follows:; Remove the rear cover and bezel.; Chapter 3
27 Machine Disassembly This chapter contains step-by-step procedures on how to disassemble the X233H monitor for maintenance. The tool for disassembly is as follows: Screwdriver, hexagonal screwdriver, Putty knife. Disassembly Procedure 1. Remove the hinge assembly. 2. Remove the rear cover and beze...
Page 28 - Remove the screws to remove the main board and power board.
28 3 . Remove the lamp connectors and remove the screws to remove the panel. Put attention to the LVDS cable. 4. Remove the screws to remove the main board and power board.
Page 29 - panel
Page 30 - Troubleshooting; Chapter 4
30 Troubleshooting This chapter provides troubleshooting information for the X233H: 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 X401 oscillate waveforms are nor...
Page 32 - Panel Power Circuit
32 3. Panel Power Circuit White screen Measure Q302 base is low level? X401 oscillate waveform is normal Check CN301is solder and Q302,Q301 is OK? Check Correspondent component. Replace PANEL Check Correspondent component. Replace U401 OK OK OK Replace X401 OK NG NG NG NG Check reset circuit of U401...
Page 36 - Connector Information; Chapter 5
Page 37 - FRU parts for repair and service of customer machines.; Chapter 6
37 FRU (Field Replaceable Unit) List This chapter gives you the FRU (Field Replaceable Unit) listing in global configurations of X233H. 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 shoul...
Page 39 - Part List; Above picture show the description of the following component.; Picture Description; Panel
39 Part List Above picture show the description of the following component. Picture Description Part No. Main_frame_Sam A15G0563101102 Bezel A34G1084 RXA1B0130 Panel 750GLS230HT132N000 Power Board PWPC8E41MQHU
Page 42 - Schematic Diagram; Main Board; Chapter 7
42 Schematic Diagram Main Board 1 6 2 7 3 8 4 9 5 11 12 13 14 15 10 17 16 C N101 D B15 D SU B_5V ESD _5V 5VC C R102 100R 1/10W 5% VGA_R- DSUB_B+ I /O1 1 GND 2 I /O2 3 I/O3 4 VD D 5 I/O4 6 U 104 AZC 099-04S D SU B_SCL D SU B_SDA E5VCC C101 NC VGA_B+ VGA_R + VGA_G+ I/O1 1 GND 2 I/O2 3 I/O3 4 VDD 5 I/O...
Page 46 - Power board
46 Power board R903 100K OMH 2W +-5% L904 Coil ACER R927 10K 1/10W 1% +5V +16V +5V C921 1000pF 250V Q903 KTD1028 C912 0.001uF 1 4 2 3 L90127mH R962 100 OHM 1/4W 1 2 3 4 5 6 7 8 9 10 11 12 13 CN902 CONN R920 100 OHM 1/4W R946 100OHM 2W D903 IN4148 C940 0.047uF +5V1 + C934 NC + C916 1000uF/25V + C918 ...
Page 49 - Key board
49 Key board GN D R 002 2K OHM 1% 1/ 10W AUTO LBADC1 VOL- (2K) PO W E R MENU (2K) (GND) (1K) LBADC2 VOL+ 0 V AU T O LBAD C1 R 004 2K OHM 1% 1/ 10W LBAD C2 ME N U LED_GRN # LED_R ED# change Net nameMENU--->AUTOAUTO----MENU D C_POWERON 1 2 3 4 5 6 CN 001 CONN 2007/5/11 1 2 4 3 5 SW006 SW 1 2 4 3 5 ...
Page 50 - Usb board
50 Usb board C 7880. 1uF 16V C7890.1uF16V C 7900. 1uF 16V C7910.1uF16V C 7920. 1uF 16V R767 N C/ 22K 1/ 10W C 779 1uF /25V + C 778 470uF/ 25V DM2 DP2 C71010. 1uF 16V 1 2 ZD7 1 1 E G A 1 06 03V 05A 1-B 1 2 ZD7 1 2 E G A 1 06 03V 05A 1-B DM0 DP0 /OC3 /OC4 1 4 2 3 L707 NC VBUS0 1 2 FB723120 OHM VBU S1 ...