Acer X223HQ manuale d’uso

1 Acer X213H (X223HQ) Service Guide[...]

2 Service Guide V ersion and Revision Version Release Date Revision History TPV model A00 Nov .-26-200 8 Initial Release TIRANDD8Y1ABDN[...]

3 Copyright Copyright © 2003 by Acer Incorpo rated. All rights rese rved. No part of this publi cation may be reproduced, Transmitted, transcribed, stored in a retrieval system, or translated into any language or computer language, in any form or by any means, electronic, m echanical, m agnetic, optical, chemical, manual or otherwise, without the [...]

4 Preface Before using this information and the produ ct it supp orts, please read the following gene ral information. 1. This Service Guide provides you wi th all technical information relati ng to the BASIC CONFIGURATION decided for Acer's "global" product offering. To better fit local market requirements and e nhan ce product comp[...]

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 unsta ble trolley , sta nd, or table. I f the monitor falls, it can injure a person and cause serious damage to the appliance. Use only a trolley or st and recommended by [...]

6 T able Of Content s Chapter 1 Monitor Features ………………………………………… 7 Introduction ……………………………… ……… 7 Electrical Requirement s ……………………………………… 8 LCD Monitor General S pecification ……………………………………… 9 LCD Panel S pecification ……?[...]

7 Monitor Features Introduction Scope This short specification describe s t he electrical, optical and functional perfo rmance requirement s for a 54.68cm (21.5”) TFT LCD color monitor with VGA comp atible interface. Description The LCD monitor is designed with the latest LCD tec hnolo gy to provide a performance oriented pro duct with no radiati[...]

8 Electrical Requirement s Standard Test Conditions All tests shall be performed under the foll owin g conditions, unless otherwi se specified. Ambient light Dark room (< 1 cd/m 2 ) Viewing distance 25-50 cm Warm up time ＞ 30 minutes Analog Input signal 700 mVss Control temperature 6500 ° K User brightness cont rol Set to Fact ory preset valu[...]

9 LCD Monitor General Specification LCD Panel Driving system TFT Col or LCD Active Display Area 476.64 (H) × 268.11(V) Pixel pitch 0.282(H) x 0.282(W) Contrast Ratio 1000 : 1 Max(T yp) Response time 5ms Luminance of White 300(T yp.) cd/ ㎡ Input Separate Sync. H/V TTL H-Frequency 30kHz – 80kHz V -Frequency 55-75Hz Viewing a ngle ((H) 90 ∘ +/-[...]

10 LCD Panel Specification General Specifications Block Diagram TFT LCD Module[...]

11 Back light Unit Electrical Characteristics[...]

12 Optical Specifications[...]

13 Factory Preset Timing VESA MODES Horizont al V ertical Mode Resolution T otal Nominal Frequency +/- 0.5kHz Sync Polarity Nominal Freq. +/- 1 Hz Sync Polarity Nominal Pixel Clock (MHz) VGA 640x480@60Hz 800 x 525 31.469 N 59.940 N 25.175 640x480@72Hz 832 x 520 37.861 N 72.809 N 31.500 SVGA 800x600@56Hz 1024 x 625 35.156 N/P 56.250 N/P 36.000 800x6[...]

14 Monitor Block Diagram The LCD MONITOR will contain a mai n board, a power board and a key board which house the flat panel control logic, brightness control logic an d DDC. The power board will prov ide AC to DC Inverter voltage to drive the backlight of p anel and the main board chips each voltage. Power Board Flat Panel and CCFL backlight Main[...]

15 Main Board Diagram Flash Memory SST25VF010A-33-4C-SAE (U 4 0 2 ) Panel Interface ( CN301 ) Crystal 12MHz (X401) Keypad Interface (CN402) Scalar IC NT68667UFG/C QFP-12 8L (Include MCU, ADC, OSD) (U401) D-Sub Connecto r (CN101) H sync V sync RGB DVI Connecto r ( CN102 ) D-Data D-Clock[...]

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[...]

17 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 AUT O and SELECT key s pressed? 8) Enter factory mode. 9) Save the power key status into EEPROM. T urn on the LED and set it to green color[...]

18 Main Board Layout Symbol Description Symbol Description U401 IC NT68667UFG/C QFP-128L CN402 WAFER U703 IC AP1 1 17D33L -13 TO252-3L DI ODES CN7 01 WAFER 9P RIGHT AN ELE PITCH U103 IC AZC099-04S SOT23-6L CN301 CONNECTO R U104 IC AZC099-04S SOT23-6L X401 CRYSTAL 12 MHz HC-49US ARG6-120 U402 IC SST25VF010A-33-4C-SAE CN101 D-SUB 15PIN VERTICAL CONN [...]

19 Inst allation To install the monitor on your host system, please follow the ste ps below: Steps[...]

20[...]

21 O p e r a t i n g I n s t r u c t i o n s Press the power button to turn the monitor on o r of f. The other control buttons are locate d at front panel of the monitor . By changing these settings, the picture can be adju sted to your personal preferen ces. • The power cord sh ould be connected. • Connect the video cable from the monitor to t[...]

22 eColor Management (OSD) Operation instructions S tep 1: Press “ Key” to open the Acer e-Color Management OSD and access the scenario mode s S tep 2: Press “<” or “>” to select the mode S tep 3: Press “Auto Key ” to confirm the mode and run Auto Adjust[...]

23 How to Adjust a Setting[...]

24 Adjusting the picture[...]

25[...]

26 How T o Optimize The DOS-Mode Plug And Play Plug & Play DDC2B Feat ure This monitor is equipped with VESA DDC2B capabilities according to the VESA DDC ST ANDARD. It allows the monitor to inform the host system of its identity and, depending o n the level of DDC used, communicate additional information about it s display capa bilities. The DD[...]

27 Machine Disassembl y This chapter contains step-by-step pro cedures on how to disassemble the 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 bezel. The arrows in blue are the hoo k that we should pu[...]

28 3 ． Remove the lamp connectors and remove the screws to remove the pa nel. Put attention to the L VDS cable.[...]

29 4. Remove the screws to remove the main board and power board. 5. The panel[...]

30 T r o u b l e s h o o t i n g This chapter provides troubleshooting information for the X213H: 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 normal Measure U703 Pin2=3.3V , OK OK N[...]

31 2. No Picture (LED is orange) No picture The button if under control X401 oscillate waveform is normal Replace U401 Replace X401 Measure U703 Pin2=3.3V , Check Corre spondent component Replace U401 X401 oscillate waveform is normal Check U703, C706 and C707 OK OK OK OK OK NG NG NG NG Check reset c ircuit of U401 is normal Check HS/VS from CN101 [...]

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 P ANEL Check Correspondent component. Replace U401 OK OK OK Replace X401 OK NG NG NG NG Check reset c ircuit of U401 is normal[...]

33 4. Key Board OSD is unstable or not working Is Key Pad Board connecting normally? Connect Ke y Board Is Button Switch normally? Replace Button Switch Y NG NG Is Key Pad Board normally? Replace Key Board Y NG Y Check Main Boa rd[...]

34 5. Power Board 1) No power Check F801 = 14.5V Check AC line volt 1 10V or 220V Check AC input Check the voltage of C9 07 (+) Check bridge rectified circuit and F901 circuit Check sta rt voltage for the pin8 of U9 01 Check R908, R91 1 and Change U90 1 NG Check the auxiliary voltage is bigger than 1 1V and smaller than 25V 1) Check U901 2) Check R[...]

35 2.) No Backlight Check F801 = 14.5V NG OK Check adapter or MB Check ON/OFF sign al Check Interface board NG OK Check U801 PIN12=14.5V NG OK Change Q802, Q804 Check U801 PIN10, 9 have the output o f square wave at short time NG OK Change U801 Check Q803, Q812 PIN5, 6, 7, 8 have the output of square wave at sho rt time. NG OK Check Q801, Q803, Q80[...]

36 Connector Information Chapter 5[...]

37 FRU (Field Replaceable Unit) List This chapter gives you the FRU (Field Repla ceable Unit) lis ting in global configurations of X213H. Refer to this chapter whenever ordering for parts to repair o r for RMA (Return Merchandise Authori zation). NOTE: Please note WHEN ORDERING FRU PARTS, that y ou sho uld check the most up-to-date informatio n ava[...]

38 ITEM PART NO. DESCRIPTION Q`TY 1 BEZEL L215WA-8ACER3-S4 X213H A34G1069 RXA1B0130 1 2 REAR COVER L215WA-8ACER3-S4 DVI A34G1070 RX 1B0100 1 3 KEY BUTTON Q33G0237 RX 1L0100 1 4 LED LENS A33G0270 1 1L0100 1 5 MAINFRAME A15G0475501101 1 6 PW SHIELDING A15G0476301101 1 7 HINGE COVER L A33G0271 RX 1L0200 1 8 HINGE COVER R A33G0271 RX 2L0200 1 9 STAND F[...]

39 Part List Above picture show the description of the followin g component. Picture D escriptio n Part No. Main Frame A15G0475501 101 Bezel A34G1069 RXA1B0130 Panel 750GLU215H1013N000 Power Board PWPC8C41AQHC[...]

40 Main Board CBPCRNDAEQ1 Key Board KEPC7QK1 S tand Front A34G0473 RX 1B0100 Base A34G0475 RX 1B0130 Stand Rear A34G0474 RX 1B0100 Hinge A37G0050 3[...]

41 S c h e m a t i c D i a g r a m Main Board 1 6 2 7 3 8 4 9 5 11 12 13 14 15 10 17 16 C N101 DB 1 5 DSU B_5V ESD_5V 5VC C R102 100R 1/10W 5% VGA_R- DSUB _B + I/O1 1 GN D 2 I/O2 3 I/O3 4 VD D 5 I/O4 6 U10 4 AZC 099 -04S DSUB _S CL DSUB _S DA E5VC C C 101 NC VGA_B+ VGA_R + VGA_G+ I/O1 1 GND 2 I/O 2 3 I/O 3 4 VDD 5 I/O 4 6 U 103 AZ C0 99-04S V_Sy nc[...]

42 +5V + C3 05 100uF25V R3 04 47K 1/ 16W 5% R3 03 10K 1/ 16W 5% C3 02 0. 1uF / 16V PAN EL_VC C T0 M T0 P T1 P T1 M T2 M T2 P TC LK 1P TC LK 1M T3 M T3 P T4 P T4 M T5 P T5 M R3 01 330 OH M 1/ 4W T6 M T6 P TC LK 2P T7 P T7 M TC LK 2M PPW R _ON # C3 01 0. 1uF / 16V Q301 AO3401 R305 0 O HM + - 5% 1/8W PAN EL_VC C Q302 2N 3904S-RTK/PS R3 06 10K 1/ 16W 5[...]

43 DS UB _ 5V C 711 NC/0 .1u F/16 V D70 1 SM340A 3 1 2 D 702 BAT 54C 1 2 FB701 300 OHM E5VC C AD J 1 Vout 2 Vin 3 U70 2 NC / AI C 1117A-18PE 5VCC R71 0 NC C 710 NC R70 7 NC R70 3 NC PANEL _ID # C70 3 NC V CC3 .3 VC C3. 3 R7 0 1 NC VC C3. 3 + C70 4 NC / 10 0uF2 5V lock type 5VCC on_BAC KLI GHT BKLT -EN BKLT -VBR I +5V BKLT-VBRI +5V adj_BAC KLI GHT R[...]

44 EE_WP T0M T0P T1M T1P T2P T2M T3M T3P TC LK 1 P TC LK 1 M T4M T6M T4P T7P T5P TC LK 2 M T6P T7M TC LK 2 P T5M MU TE R 454 NC SPI_SI SPI_C K R46 7 NC /0R05 1/16W +5V R46 5 NC / 10K 1/16W C413 0.1uF / 16V NC 1 NC 2 NC 3 VSS 4 SDA 5 SCL 6 WC 7 VCC 8 U403 NC /M24C 16 C430 0.1uF / 16V FB 404 300OHM C412 0.1uF / 16V R472 75R 1/16W 5% +5V R469 2K2 1/16[...]

45 Power board R920 1K 1/ 10W 1% MU TE VOL R9 3 5 NC 1 2 ZD90 1 M TZJ T-72 16B 1 2 FB902 BEAD + C9 3 1 NC ! C909 NC / 0.22uF / 275V ! ON/ OF F +5V 1 2 3 4 5 6 7 8 9 CN 902 Wire H arnes s OEM M OD EL Siz e Rev Date Shee t of TPV M OD EL PC B NA M E 称爹 T P V ( T op Vi ctor y El ectro ni cs Co . , L td. ) Key Componen t 絬 隔 瓜 絪 腹 PWPC 8C[...]

46 C8 11 0.1uF /25V C80 3 C815 C816 Q810 MM BT3904 OE M MO D E L Siz e Re v Date Sheet of TPV M OD EL PCB N AME 称爹 T P V ( T op Vi ctor y Ele ctro ni cs Co . , L td . ) Key Component 絬 隔 瓜 絪 腹 PWPC 8C4 1AQHC 1 Custo m 23 Monday , N ov embe r 10, 2008 715G2892-1A OD M MO D E L 02 .INVERT E R G2892-1A-X -X -9-081111 R82 2 27K 1/10W 1% R[...]

47 1 2 HS 4 H EAT SI NK(U 601) R6 01 10K 1/ 10W 5% C6 13 0. 1uF / 16V MU TE +5V 1 R6 10 0 OH M +-5% 1/10W Lin 1 2 3 4 CN6 02 CO NN R6 03 4. 7K 1/ 10W 5% Ri n R6 12 10K 1/10W 5% Q608 NC S H UT DOWN 1 BY PASS 2 RINN 3 GN D 4 GN D 5 LI N N 6 VOLU M E 7 SE/ BT L 8 LOU T P 9 VD D 10 LOU TN 11 GN D 12 GN D 13 RO UT N 14 VD D 15 RO UT P 16 U6 01 APA2071J [...]

48 Key board GN D R 002 2K OHM 1% 1/ 10W AUTO LBADC1 VOL- (2K) POWER MENU (2K) (GND) (1K) LBADC2 VOL+ 0 V AUT O LBADC 1 R 004 2K OH M 1% 1/10W LBADC 2 ME NU LED_GR N# LE D_RE D# change N et name MENU---> AUTO AUTO---- MENU D C_POWER ON 1 2 3 4 5 6 CN00 1 CONN 2007/5/11 1 2 4 3 5 SW0 06 SW 1 2 4 3 5 SW 003 SW G 1 GND1 GN D -EMI G 1 GN D 2 GND- EM[...]