Acer B193R User's Manual
Contents
1. eusobpetilesevtganitme sed stalag Attaching Removing the base 2 222525 Chapter2 Operating Instructions J J c z ExletnalGoDllOls 3 aunad Front Panel Controls j esesn In eColor Management OSD How to Adjust a Setting eee LOGO O uua icd SN eee RN ULIS Chapter3 Machine Disassembly eene nnne Chapter4 Troubleshooting eee eene nnn Chapter 5 Connector Information t e Chapter 6 FRU Field Replacement Unit List Exploded Diagrat 5222222 ar uui toute Chapter7 Schematic Diagram Monitor Features Cte 1 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 power management and plug amp play function Description The LCD monitor is designed with the latest LCD technology to provide a performance oriented2. C905 T 100uF 450V C938 1500pF 1KV 4 0mH C903 0 47uF 275V R915 LD7552BPS 100K OHM 1 1 8W Z SZ 680K OHM 1 4W 680K OHM 1 4W680K OHM 4w C928 0 001u VAR901 NC NR901 d ANS zA E FUSE N SW901 C902 C901 0 001uF 250V 0 001uF 250V CN901 SOCKET R908 100K OHM 2W D901 R909 FR103 5 1 OHM 1 4W C908 22uF 50V D903 LL4148 HEAT SINK Q901 1 L pes Q901 2SK2645 54MR R938 10K 1 8 FB901 BEAD N 220 OHM 1 4 AA M 2W 0909 470pF 25V Nut sZ so GND1 HS5 GND HEAT SINK U601 1 2 2 HS2 HS1 HEAT SINK D906 HEAT 1 2 HS3 HS4 HEAT SINK D905 100 OHM 1 4W R918 Roag R R945 R944 1K 1 4W 1K 1 4W 1K 1 4W 41K 1 4W O 14V 100 OHM 1 4W R919 C912 0 001uF RLZ TE 11 16B 100 OHM 1 4W R920 917 C918 a 680uF 25V 680uF 25V R943 T901 1K 1 8W Q903 ZD901 PMBS3904 4 9 um NC 7 R935 100 OHM 1 4W C929 11 F903 4 10 0 N 0 O V C940 FUSE C939 1000uR 16V 1 1000uF 16V C91 D907 470uF 16V 1 3 33K 1 10W 3 19 R924 150R 1 8W POWER XFMR N E D905 SP1060 R927 3 6K OHM 1 1 10W ki R925 1K 1 8W e R926 1K 1 10W 1 R942 1K 1 10W 1 IC904 KIA431A AT P C925 R930 NC 2 43K OHM 1 1 10W C921 0 0047UF 400V d USB CTRL gt HARNESS HN 45 14V ON OFF O DIMO T801 POWER XBMR R821 1K 1 10W
3. Multi language selection EMEA version OSD only ram Sub Menu Menu Menu Description Item Icon Icon m Adjust the horizontal position of the OSD Bl jvc Adjust the vertical position of the OSD OSD Timeout Adjust the OSD timeout Select input signal from analog D Sub Digital Select input signal from digital DVI MS tonly Dual only Dual Input Model InputModel y P DDC CI Turn ON OFF DDC CI support Wo Show the resolution H V frequency andinput port of current input timing Clear each old status of Auto N A Reset configurationand set the color temperature to Cool BE Save user adjustment and OSD disappear 25 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 amp 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 The DDC2B is a bi directional data channel based on the C protocol The host can request EDID information over the DDC2B channel This monitor will appear to be non functional if there is no video input signal In order for this monitor to operate properly there must be a video input signal This monitor meets the Green monitor standards as set by the
4. 405 480 55 ma Sus Power V Color toor soo 60 70 ma Vsmcteqeny n 86 76 He Heyne frequency f ea 94 6 KHz inputrush current ks 39 A Optical Specifications ltem Symbol Min Contrast Rising Response time TR Falling llin Falling White luminance m center of screen 6 0 Unit RC ee Ry Noma Ox ange BN MN 0 03 ES 0 313 END NI O O Color chromaticity CIE1931 85 Viewing angle Support Timing 1 VESA 720 x 400 70 Hz 2 VGA 640 x 480 59 94 Hz 3 MAC 640 x 480 66 66 Hz 4 VGA 640 x 480 72 Hz 5 VGA 640 x 480 75 Hz 6 648 x 500 57 7 Hz Fi SVGA 800 x 600 56 25 Hz 8 SVGA 800 x 600 60 Hz 9 SVGA 800 x 600 72 Hz 10 SVGA 800 x 600 75 Hz 11 MAC 832 x 624 74 55 Hz 12 XGA 1024 x 768 60 Hz 13 XGA 1024 x 768 70 Hz 14 XGA 1024 x 768 75 Hz 15 VESA 1152 x 864 75 Hz 16 SXGA 1280 x 1024 60 Hz 17 SXGA 1280 x 1024 75 Hz 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 Drive Flat Panel and CCFL backlight Inverter Board Main Board include adapter Keyboard u Input D SUB Signal DVI Signal 90V 264V 13 Main Board Diagram Crystal X2
5. Acer B193R Service Guide Service Guide Version and Revision Version Release Date Revision History TPV model u T97HNAD8K3ABHN A00 Mar 24 2008 Initial Release T97HNAD8K3ABDN Copyright Copyright 2003 by Acer Incorporated All rights reserved No part of this publication 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 mechanical magnetic optical chemical manual or otherwise without the prior written permission of Acer Incorporated Disclaimer The information in this guide is subject to change without notice Acer Incorporated makes no representations or warranties either expressed or implied with respect to the contents hereof and specifically disclaims any warranties of merchantability or fitness for any particular purpose 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 Intel is a registered trademark of Intel Corporation Pentium and Pentium II III are trademarks of Intel Corporation Other brand and product n
6. eL 12 FB103 2 CIS u LS PI El Riga c0 RIO 71052010 9 16 CNI01 5 1 10 6 15 11 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 17 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 2 Connect one end of the 24 pin DVI cable to the back of the monitor and the other end to the computer s port 2 Connect the power cord Connect the power cord to the monitor then to a properly grounded AC outlet 3 Turn on the monitor and computer Turn on the monitor first then the computer This sequence is very important 4 f the monitor does not function properly please refer to the troubleshooting section to diagnose the problem 2 1 2 1 1 18 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
7. 10 of IC801 have PWM wave NG Change Q801 Q804 Q811 Q812 OK OK Replace IC801 Check the resonant wave of pin3 amp pin7 for T801 Check Q802 Q803 Check the output of T801 T802 OK mH Change T801 T802 Check connecter amp lamp 35 Chapter 5 Connector Information The following figure shows the connector locations on the monitor D SUB connector 15 Pin Color Display Signal Cable Lap e Iw Monitor Ground s sess u v9 _ DDC Serial Clock e sea 36 DVI Connector 24 pin color display signal cable 1 TMDS data 2 13 NC 2 TMDS data 2 14 5 V power 3 TMDS data 2 4 shield 15 GND return for 5 V hsync vsync 4 NC 16 Hot plug detection 5 NC 17 TMDS data 0 6 DDC clock 18 TMDS data 0 7 DDC data 19 TMDS data 0 5 shield 8 NC 20 NC 9 TMDS data 1 21 NC 10 TMDS data 1 22 TMDS clock shield 11 TMDS data 1 3 shield 23 TMDS clock 12 NC 24 DDC TMDS clock 3 FRU Field Replaceable Unit List Chapter 6 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 check the most up to date information available on your regional web or channel http aicsl acer com tw spl For whatever reasons a part number change is made it will not be noted in the pri
8. 5 2 2uF 16V N 46 5V Audio FB602 add FB602 5V_ Audio O O O O O O C2 A EE C602 E R608 100uF 25V 3 CN601 change to ORO5 1 8W m m V type 2 2 U601 M ee Gaeta ge 2 Li R606 10K 4 10W 5 C606 0 47uF 16V eae ee ee a re 3 5 L4 Rin R607 10K 1 10W 596 C607 0 47uF 16V LOUT PHONEJACK LL e Q y o LO 4 604 603 CN cm CN O gt g G BTL mode Low layout 3 gt n E oE mode High o Mute mode Low change R609 VOLUME E O ROLO Roll Pol Z 7 5V Audio CN604 add R616 lt EAR LOUT Q601 56G 616 40 gt 2 eo EAR ROUT PMBS3904 10K 1 10W 5 3 SEL BTL 10W 5 u S R605 S ean change R601 R613 T CN603 1 7 SEL BTL 330 OHM 4 594 1 10W a R613 C613 100UF 25V R603 EAR LOUT LOUT O ee EA 1K 1 10W 5 C614 100UF 25V 100Kl OHM 1 10W PHONEJACK 80 OHM 5 1 10 ROUT PMBS3904 u C615 C616 R614 R615 add 0602 R617 47 Key board add ZD001 and ZD002 for ESD solution p UDZSNP5 6B 1 LBADC1 2K OHM 1 16W 2 LBADC2 SEF BLUE 3 POWER Ke LED 5 LED RED 6 C004 C005 NC NC R003 1K 1 16W 5 LBADC1 Q VOL GND o 2 d vos LBADC2 SW001 ECOLOR GND JB41 03521 CONNECTOR ECOLOR AUTO MENU VOL VOL PO
9. U304 Pin2 1 8V Replace U203 Check X201 oscillate waveform is normal Replace U301 U302 Replace X201 Check HS VS from CN101 is normal Check Correspondent OK component Replace U203 31 3 Panel Power Circuit Measure Q301 base is high level Check CN402 is solder and Q301 Q302 is OK Check Correspondent component Replace PANEL 32 X201 oscillate waveform is normal OK Replace X201 Check reset circuit of U203 is normal Check Correspondent component OK Replace U203 4 Key Board OSD is unstable or not working s Key Pad Board connecting normally Connect Key Board Is Button Switch normally Replace Button Switch Is Key Pad Board normally Replace Key Board Check Main Board 33 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 NG Change F901 Check BD901 L901 IC901 OK Check the voltage of C905 NG Check bridge retified circuit OK Check start voltage for the Pin2 of IC901 NEN Change IC901 OK Check the auxiliary voltage is smaller than 20V NG Check IC901 OK Check T901 D906 D907 Q903 ZD921 ZD922 1C904 1C903 34 W LED No Backlight Check the 14V voltage input OK Me Check the adapter Check ON OFF signal NG OK Check Interface board Check IC801 pin12 12V NG Change Q805 Q808 or Q810 Check the pin9 amp
10. vso GPO4 RSBA1P vo 2 cues 114 INT HSO GPO5 pvpp 115 52 SNBD PVDD NC OROS 1 19 116 51 216 n 116 1 pog IRQn JuF 16V 0 1uF 16V 4 5 BRIGHTNESS 142 50 5 CvDD18 5 18 pwuB GPO8 5 36 8 M CCC U 1 1 NC VSYNCI RSTwPDS a B 6 MCU VDD 5 AUDIO STDBY lt lt PCO U203 PBA DDC scLo HZ lt DvI_SCL 2 B207 PC1 PB5 DDC_spao H lt DVI_SDA 10000HM NT68665MFG 5d z z PC3 PWMO PLL_VDD os os s 4 BL CONTROL amp pcaypwat TCLK C214 N lt nite 2 DVI_CABLE y l pos PLL_GND 100uF 16V T ART MAGN gt KEY2 yy 128 pean TOUTPIVSY NCI1 U204 d 24C16 WP 6 KEY1 yp 126 ance HSYNCI1 vec IICSCL ur ZINC wc lt osci 7 NC SCL 4 vss SDA Pt s ev osco e 3 PAG PWMB vs 2 M24C16 ibi lt z Z tok us oa a 5 2 e s z 9 o 9 Sapa SMT TYRE O ux e x O op A E be X y Si S e229 MCU VDD gt gt 4 8 Z z Q o E s Tor b o Oo 9 232 5 6 lt S6 S S S S 6 2 2 3 835 Ces 22 ke lt 4E CG lt ee lt G C cms G D lt lt amp B amp S G woo a 8 5 8 VDD VDD lt DVI HPD 2 MCU_VDD 170A8 90B8 Hg E ge D R231 EE gt NC 4K7 1 16W o o 5 go c9 2 U 6201 0 tuF 16V I
11. 00 170S8 D SBU DVI CN102 DVI CIRCUIT CN401 NC amend x N403 R220 R205 C202 FB401 NC R439 NC Basa VGA Scaler NT68665 7PIN 03 NC 19058 D SBU DVI CN102 DVI CI 01 NC R205 C202 FB401 NC R439 NC Scaler NT68665 07 170P8 D SBU DVI Scaler CN102 DVI CI 01 NC CN406 6PIN USB CONTROL R205 47K C202 E NT68665 USB HUB 04 9 PIN R437 0 R438 0 R434 0 1UF FB401 120 R439 NC EL ye VGA_5V R435 0 R436 0 170C8 CN401 NC bi i D SBU DVI CN102 DVI CIRCUIT CN407 7PIN x N403 R220 R205 C202 FB401 NC R439 0 VCC NC NC NC E0 E0 Scaler NT68665 FB403 NC 3 DDC WP gt WC NC NC E1 E1 E1 19068 CN401 NC D SBU DVI CN102 DVI CIRCUIT CN407 7PIN x N403 R220 R205 C202 FB401 NC R439 0 L F pIo FI ey Scaler NT68665 FB403 NC NC M24C02 WMN6TP 120 OHM t N id co s s us FB103 s E 30 OHM EXT EDID INT EDID 8 8 oc R126 100R 1 16W OD RIN 3 N NC 3 VGA_SDA lt lt DEESES z906 VGA 501 6 DDCSC 20105 R129 150 1 16 C122 gt gt RIN 5 4 7K BAV70 R131 390R 1 16W FB104 C123 30 OHM 1000pF SOS 9 R132 100R 1 16 CN101 1 C124 DB15 ooir gt gt GIN 3 NG O R133 150 1 16W C125 gt gt GIN 5V R102 5V_ESD rla FB106 0 047uF E 1K 1 16W Q R134 100R 1 16W O 30 OHM s us lt P HIN 13 3 s R135 100R 1 16W T vs lt R136 1006 1 VIN ulo 4 0 047uF 9 D111 D112 D113 15 65 0 5 2007 05 09 C116 C11
12. 01 12MHz Key Board Control CN407 LCD Interface CN402 U203 Scalar IC NT68665MFG 128 Include MCU ADC OSD H sync V sync RGB D Sub DVI Connector Connector CN101 CN102 14 Software Flow Chart 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 9 Save the power key status into EEPROM Turn on the LED and set it to green color Scalar initializes 11 Update the lifetime of back light 12 Check the analog port are there any signals coming 13 Does the scalar send out an interrupt request 14 Wake up the scalar 15 Are there any signals coming from analog port 16 Display No connection Check Signal Cable message And go into standby mode after the message disappears 17 Program the scalar to be able to show the coming mode 18 Process the OSD display 19 Read the keyboard Is the power key pressed 16 Main Board Layout CN301 6 BIOSRIOSCZIORSH RIM U3OM _U302_ 6 c an 2 e c c N im e rm Was 128 R t8 R225 9 1 an C gc 1562561 1 AC1 LE S mol 5 gEE P mu mini an tonne DD se x RIS i q R12 uM o D106 f z
13. 1 R817 10K 1 10W 1 F801 15 OHM 1 4W C819 SPI NSW 0 0022uF C801 C824 D810 5pF 6KV 470uF 25V 0 1uF NC R801 D801 R819 1 5K OHM 196 1 10W BAV99 R804 3 6K OHM 1 1 16 15 OHM 100R 1 8W Q802 Q801 AM9945N T1 PF PMBS3904 3 6K OHM 1 1 10 Q808 PDTA144WK Q805 PDTC 144WK Q804 a R828 R822 PMBS3906 10K 1 10W 1 1K 1 10W 1 10 OHM 1 8 C807 0 1uF 25V Coza T802 0 0022uF 1 POWER XBVR 2 PMBS3904 R814 D802 15 OHM 1 4W 1 5K OHM 1 1 10W BAV99 C811 5pF 6KV 470uF 25V Q812 a 10 OHM 1 8 PMBS3906 15 OHM 1 4W R834 R812 10K 1 10W 1 1K 1 10W 1 R827 C816 1K 1 10W 1 0840 0 0022uF 1500pF R816 D804 1 5K OHM 1 1 10W BAV99 Q806 PMBS3904 R853 68K OHM 1 1 1047 R833 10K 1 10W 1 R809 1K 1 10W 1 C815 0 0022uF 10K 1 10W 1 D817 LL4148 R815 D803 1 5K OHM 1 1 10W BAV99 R841 68K OHM 1 1 10W R829 22R 1 8W R825 22R 1 8W R837 47K 1 8W C822 1uF 25V R832 10K 1 10W 1 R806 68K OHM 1 1 10 D814 LL4148 R818 D806 1K 1 10W 196 LL4148 R854 R810 68K OHM 1 1 10W Q809 51K OHM 1 1 8W R803 RK7002 Q807 R807 1M 1 10W 5 PMBS3904 47K 1 10W R820 47K 1 10W 2 4K OHM 1 1 10 R826 1K 1 10W 1 1K 1 10W 1 C834 R835 R862 1M 1 10W 5 0 1uF 25V 1M 1 10W
14. 2PANEL PWR 4 FB204 NC OROS 1 18W gt 3 3VCC 1200HM LED_R 5 AVEG gt gt KEY_PWR 5 C206 C207 NC 750R OHM 16W 5 5 LED B G lt lt 0 tuF 16V o tuF 16V LU LED KG FB205 S 8 S al s el of o s o lt 1200 CODDATS 88 3 3 8 S S 8 s 9 mw 8 5 R e R 3 8 8 8 Gos 8 5 amp amp Sk Q b S m 2 2 amp 2 amp z eS 0 2 2 b 9 x S PVCC 2007 05 08 amp Z S 2 S 5 B 8 B 2 s 9 2 Ee P E Pe 28 s 55 F P z 2 4 Pki 5V Seer ere o 9 O bebe tg a a S 6 Seg 99 D p 5 S s 8 8 E 5 S 6 2 E z all 6208 9G FORESTER 3651585555 TEE H a N a a io lt 0 tuF 16V ZD201 03 e x 9 gu 3 mc a E EEE k 8 mw 64 A RLZ2 26 PC7 8 2 8222582 CGND DGND 34 lt 5V DECT 104 Beery 83s MCU_VDD 105 2 2 x 62 AA L62 4 5V DECT 2 VGA CABLE gt gt PD1 RSGA1P VCKI 106 pp2 i m Hse 7 pps RSCLKAP V6 0 EXT EDID MCU POWER 10K 1 16W HSDA 108 5d 3 uL 109 RsBA3P V4 8 4 5 19 apo RsBA2M V3 L 34 41 8VCC S c A ADO GPO2 RsBA2P v2 4 DUBD 1200HM 112 55 CUBDAS Dooa o AD1 GPO3 RSBAIMV1 CUDDIS oS INT
15. 7 C118 220pF C127 C128 10 0 1uF 16V 0 1uF 16V 0 1uF 16V R138 150 1 16W C129 ZD101 s 2 es 0 047uF gt gt BIN 3 070617 CHANGE RLZ5 6B ns m Sa c c nr P a gt ite ite S e oN m ON M N JL 9 A g i E a R144 1K 1 16W gt gt VGA CABLE 3 i eis 0 1uF 16V 41 NO PARTS NONE OD OD 1 U203 NT68665 NT68670 TS T A y m _ T T 5 2 R209 NC OR TOP 5 FB202 DVI VDD TM H 1200HM 3 R228 OR NC TIP 5 _ ADC_VAA MCU_VDD ig E 1 v 26 4 R218 22R NC T2P 5 5 VGA VDD 5 C212 NC 0 1u m H C203 Q201 T 3 2N3906S RTK PS 6 C211 NC 0 1u FF b T3P 5 0 1uF 16V n E D201 R206 U U U T C U U H BAV70 AKT 1 16W Bus E FB203 T 3 120 OHM 5 DVDD T6P 5 Lee e EH po TCLK2M 5 p TCLK2P 5 C204 C205 DVDD R211 HU INT EDID MCU POWER Y 070617 CHANGE 0 1uF 16V 0 1uF 16V kai 1 VDD R210 2
16. AVCC RX2 RX2 RX1 RX0 RXC RXC HSO NC 47K 1 16W C202 NC 1uF 16V SMT TYPE 2007 03 05 24C16 WP 170P8 NNN NNNNN MCU_VDD BIN BIN SOG GIN GIN RIN RIN NNNNNNN NC 4PIN 2 0mm CONN TO RS232 OPTION HDCP 42 PANEL_VCC U303 NC LD 1117333 5V R302 R303 C302 10uF 16V 330 1 4W 330 1 4W R305 10K 1 16W Q302 U301 R30 AO3401 AP1117D33LA 3 3VCC 51K 1 16W R308 4K7 1 16W Q301 3 PANEL PWR 7 2N3904S RTK PS FB302 1uF 16V C308 R304 10K 1 16W 1uF 16V 070617 CHANGE C301 0 1uF 16V C305 306 Jl 100uF 16V 0 1uF 16V 100uF16V U304 AP1117E18LA T R309 45V X PANEL IDX 100R 1 16W CN301 ee a lt BRIGHTNESS 3 5 U302 1K 1 16W Neuf NC AZ1117D 1 8 E1 r modify 178 DE j FB303 3 3VCC 5V T ii m C315 9 100uF 16V C317 R314 0 1uF 16 47 1 16W R301 1K 1 16W CONN C316 0 1uF 25V 070617 CHANGE el SM340A C311 Gs i Q305 0 1uF 16V C309 30 100uF 16V R316 4K7 1 16W CONTROL 3 0 1uF 16 2N3904S RTK PS 43 CN402 CN401 KEY 1_PAD 1 2 3 POWER 4 6 LF_B 8 LIGHT SEN 9 d SVFB 1 OUT L OUT L EAR R EAR L CONN 16W NC CONN R431 ORO5 1 16W R404 ORO5 1 16W R432 OROS 1 16W KEY PAD KE
17. European counties 26 Machine Disassembl Chapter 3 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 2 Remove the back cover and bezel Fig 2 3 Remove the lamp connectors and the screw Fig 3 TA D Mp E P Fig 3 4 Remove the screws to remove the panel Pay attention to the LVDS cable Fig 4 5 VAL 4 inu pa wina va om Fig 5 28 5 Remove the screws to remove the main board and power board Fig 6 gt v z TR mz bec 7 I REEL gt Le ae E D gt MFR MEI m I 2 _ iw d J RD LEES QC 5o Fig 6 29 Troubleshootin Chapter 4 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 Reinsert or check the power section Measure U301 Pin2 3 3V U304 Pin2 1 8V Measure CN301 Check if X201 oscillate waveforms are normal Replace U301 U302 Replace X201 Replace U203 30 2 No Picture LED is orange The button if under X201 oscillate Replace X201 control waveform is normal Check Correspondent component Check reset circuit of U203 is normal Measure U301 Pin2 3 3V
18. Video Electronics Standards Association VESA and or the United States Environmental Protection Agency EPA and The Swedish Confederation Employees NUTEK This feature is designed to conserve electrical energy by reducing power consumption when there is no video input signal present When there is no video input signals this monitor following a time out period will automatically switch to an OFF mode This reduces the monitor s internal power supply consumption After the video input signal is restored full power is restored and the display is automatically redrawn The appearance is similar to a Screen Saver feature except the display is completely off Pressing a key on the keyboard or clicking the mouse restores the display Using The Right Power Cord The accessory power cord for the Northern American region is the wallet plug with NEMA 5 15 style and is UL listed and CSA labeled The voltage rating for the power cord shall be 125 volts AC Supplied with units intended for connection to power outlet of personal computer Please use a cord set consisting of a minimum No 18 AWG type SJT or SVT three conductors flexible cord One end terminates with a grounding type attachment plug rated 10A 250V and CEE 22 male configuration The other end terminates with a molded on type connector body rated 10A 250V having standard CEE 22 female configuration Please note that power supply cord needs to use VDE 0602 0625 0821 approval power cord in
19. WER LED 48
20. Y2 PAD i CONN X AUDIO STDBY 3 5 30 TOP 29 TIM 28 TIP 27 T2M 26 T2P 25 24 TCLK1M TCLK1P T3M T3P TAM T4P T6M T6P TCLK2M TCLK2P T M R411 T7P NC 22 C C 6 3 4 BRIGHTNESS gt Cc C 1 PANEL_VCC C405 R413 R414 0 tuF 16V 1 16W NC OROS 1 16W 1 5V gt 3 TOP R437 2 3 R438 x NC ORO5 1 10W 5 5 Tip 3 T2M 3 TCLK1P TCLK1M 2771 i x ks 3 T3M 3 1 10W 5 3 3 T5M N 3 T6P OUTPUT 5V I CN403 R421 NC 11 12 3 VOLUME gt amc OUT L 0T 6 OUT L l NL 3 EAR L l NC 1 EAR R R434 1 10W R435 NC OPTION AUDIO CONTROL 44 3 3VCC 070707 change to 1 ra Oo O R407 e KEY 1 100R VIEW Auto Left Right key 0 1uF 16 gt KEY 2 C403 100R 1 16W Menu Up Down key 0 1uF 16V R412 1K 1 16W gt KEY_PWR C404 0 1uF 16 3 3VCC 070722 Change to R415 10K 1 16W Q402 1200hm s 120R MSW 5 2N3906S RTK PS 0 1uF 16V 3 3VCC R417 10K 1 16W Q403 RATS 1 5 2N3906S RTK PS KLED_B G ee R418 to 330 to reduce the LED luminance for acer request 0 1uF 16V 3 3VCC R423 NC 10K 1 16W R424 NC 2N3906S RTK P NC 100R 1 16W C401 NC O 1uF 16V R439 NC ORO5 1 16W Co Power board AN um 2KBP08M 3 2
21. ames are trademarks and or registered trademarks of their respective holders Trademarks Acer is a registered trademark of Acer Incorporated All other trademarks are property of their respective owners Conventions The following conventions are used in this manual Important Remind you to do specific actions relevant to the accomplishment of procedures Preface Before using this information and the product it supports please read the following general information 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 requirements and enhance product competitiveness your regional office may have decided to extend the functionality of a machine e g add on card modem or extra memory capability These LOCALIZED FEATURES will NOT be covered in this generic service guide In such cases please contact your regional offices or the responsible personnel channel to provide you with further technical details 2 Please note WHEN ORDERING FRU PARTS that you should check the most up to date information available on your regional web or channel If for whatever reason a part number change is made it will not be noted in the printed Service Guide For ACER AUTHORIZED SERVICE PROVIDERS your Acer office may have a DIFFERENT part number code to those given in the FRU list of this printed Service Guide You MUST use the l
22. cabinet unless proper ventilation is provided The monitor should be operated only from the type of power source indicated on the label If you are not sure of the type of power supplied to your home consult your dealer or local power company The monitor is equipped with a three pronged grounded plug a plug with a third grounding pin This plug will fit only into a grounded power outlet as a safety feature If your outlet does not accommodate the three wire plug have an electrician install the correct outlet or use an adapter to ground the appliance safely Do not defeat the safety purpose of the grounded plug e Unplug the unit during a lightning storm or when it will not be used for long periods of time This will protect the monitor from damage due to power surges Do not overload power strips and extension cords Overloading can result in fire or electric shock Never push any object into the slot on the monitor cabinet It could short circuit parts causing a fire or electric shock Never spill liquids on the monitor Do not attempt to service the monitor yourself opening or removing covers can expose you to dangerous voltages and other hazards Please refer all servicing to qualified service personnel To ensure satisfactory operation use the monitor only with UL listed computers which have appropriate configured receptacles marked between 100 240V AC Min 5A The wall socket shall be installed near the equipment and
23. er 3i C107 R106 AL gt is e e 10R 1 16W 0 tuF 16V x z 1uF 16V 1 RX2M A BE b2 RX2P ie 103 Em 2 D103 BAV99 BAV99 BAV99 P i R107 Y 8 an USE RXP 3 BAV99 RX2M 3 Gos RXIP 3 oe RXIM 3 ene b NC NC NC EO EO gt gt es 5 10R 1 16W R108 100R 1 16W 7 voc iu B6 DDCSCL D l 3 DDC_WP 2 oe 1 0 1uF 16V 0 1uF 16V 0 tuF 16V 0 1uF 16V 7 DDCSDA D 5 p SDA vss E R110 10R 1 16W R109 100R 1 16W 3 Lo ium NC M24C02 WMNGTP 1 b 10 RXIP oe RLZ5 6B D 12 R111 13 X 10R 1 16W i 5 diese gt b14 a ae b 15 46 R115 10R 1 16W 4 3 PTs POOP saa 7 010122 p 19 BAV99 b 20 R116 10R 1 16W Change to D106 D107 D108 D109 21 lt R117 10Kohm eno C111 C112 RXCM3 Jere b 22 10R 1 16W p23 RxCP aren 0 1uF 16V 0 1uF 16V 0 1uF 16V 0 1uF 16V p24 RXC 3 R120 c1 R118 1K 1 16W pe x gt gt DVI_CABLE 3 b pcs E C114 P R122 0 1uF 16V E DVI TRE CIRCUIT LIGHT SENSOR CN407 CON MODEL FUNCTION DVI CON KEY CON USB CON OLUME CON CONT GND 190B8 D SBU Scaler CN102 DVI CIRCUIT CNA01 13PIN X N403 2x6PIN NT68665 AUDIO R202 100 R205 C202 FB4 R439 NC 170A8 D SBU Scaler CN102 NC CNA01 13PIN X N403 2x6PIN R205 C202 FB4 R439 NC NT68625 AUDIO R220 1
24. in unsuitably lit environments H tT m ro 22 How to Adjust a Setting 1 Press the MENU button to activate the OSD window 2 Press lt or gt to select the desired function 3 Press the MENU button to select the function that you want to adjust 4 Press lt or gt to change the settings of the current function 5 To exit and save select the exit function If you want to adjust any other function repeat steps 2 4 P X Series OSD behave When user press MENU button on front bezel Acer eColor Management A Acer eColor Management If selected to Acer eColor Management item will appear the Acer eColor OSD B USER If selected to USER item will appear the Standard OSD I Only Analog Input Model Il Only Dual Input Model 23 Adjusting the picture Sub Menu Description item Adjust the contrast between the foreground Contrast l and background of the screen image Adjust the background brightness of the screen image ACM Adaptive Contrast Management A CM ON OFF Switch default OFF Adjust picture Focus available in analog mode only Adjust picture Clock available in analog mode only Position Adjust the horizontal position avallable in Analog mode only E Poon Adjust the vertical position available in Analog mode only Set the color temperature to warm white Set the color temperature to cool white User Red Adjusts Red Green Blue intensity User Blue 24
25. ist 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 These limits are designed to provide reasonable protection against harmful interference in a residential installation This equipment generates uses and can radiate radio frequency energy and if not installed and used in accordance with the instructions may cause harmful interference to radio communications However there is no guarantee that interference will not occur in a particular installation If this equipment does cause harmful interference to radio or television reception which can be determined by turning the equipment off and on the user is encouraged to try to correct the interference by one or more of the following measures 1 Reorient or relocate the receiving antenna 2 Increase the separation between the equipment and receiver 3 Connect the equipment into an outlet on a circuit different from that to which the receiver is connected 4 Consult the dealer or an experienced radio TV technician for help Notice 1 The changes or modifications not expressly approved by the party responsible for compliance could void the user s authority to operate the equipment 2 Shielded interface cables and AC power cord if any must be used in order to compl
26. nted Service Guide For ACER AUTHORIZED SERVICE PROVIDERS your Acer office may have a DIFFERENT part number code from those given in the FRU list of this printed Service Guide You MUST use the local FRU list provided by your regional Acer office to order FRU parts for repair and service of customer machines 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 7 Z 7 T ESCRIPTIU ezel e Power Lens 3 Key Button 4 lain Frame Analoa Rear Cover 6 P Stand Ass linge Cover R 8 Hinge Cover 3 e 10 38 Part List Above picture show the description of the following component Item Picture Description 1 HINGE ASSEMBLY MAIN FRAME 39 Power Board Main Board FFC CABLE 40 Schematic Diagram Main Board Chapter 7 FB101 DVI_VDD D102 120 OHM DVI_5V qn FB107 sy 1 2 5V ESD 007 05 08 _ C106
27. product with no radiation This will alleviate the growing health concerns It is also a space saving design allowing more desktop space and comparing to the traditional CRT monitor it consumes less power and gets less weight in addition MTBF target is 50k hours or more Chart of B193R Panel HSD190MEN3 A00 Signal Interface D Sub 15 pin DVI 24 pin Sync Type Separate Compatible Color Temp User Adjust Support DDC DDC2B T97HNAD8K3ABDN Yes Speaker T97HNAD8K3ABHN No T97HNAD8K3ABDN Yes Headphone Jack T97HNAD8K3ABHN No Microphone Jack No USB Hub Not support Tilt Swivel Yes Yes Electrical Requirements Standard Test Conditions All tests shall be performed under the following conditions unless otherwise specified Set to The value under user mode which allows that the brightest User contrast control two of 32 linear distributed gray scales 0 700mwv can be distinguished Measurement systems The units of measure stated in this document are listed below 1 gamma 1 nano tesla 1 tesla 10 000 gauss cm in x 2 54 Lb kg x 2 2 Degrees F C x 1 8 32 Degrees C F 32 1 8 u 4x 2x 12y 3 v 9y 2x 12y 3 x 27u A 9u 2 12v 9 y 3v y 9u 2 12v 9 nits cd m2 Ft L x 3 426 lux foot candle x 10 76 LCD Monitor General Specification Driving system TFT Color LCD Active Display Area 376 32 H x301 056 V Pixel pi
28. shall be easily accessible Special Notes On LCD Monitors The following symptoms are normal with LCD monitor and do not indicate a problem Notes Due to the nature of the fluorescent light the screen may flicker during initial use Turn off the Power Switch and then turn it on again to make sure the flicker disappears You may find slightly uneven brightness on the screen depending on the desktop pattern you use e The LCD screen has effective pixels of 99 99 or more It may include blemishes of 0 01 or less such as a missing pixel or a pixel lit all of the time Due to the nature of the LCD screen an afterimage of the previous screen may remain after switching the image when the same image is displayed for hours In this case the screen is recovered slowly by changing the image or turning off the Power Switch for hours Table Of Contents Chapter1 Monitor Features nh N R SLR eee enne rident Electrical Requirements LCD Monitor General Specification t x c LCD Panel 5 Support Timing LLlI LlLLII t e he rris Monitor Block Diagram 2e22s2lle3 Main Board Diagram 1 1 2262262 Software Flow chart Mal Board Layout
29. tch 0 294 H x 0 294 V LCD Panel Contrast Ratio 1000 1 Luminance of White 300 Typ cd m Separate Sync H V TTL Input H Frequency 30kHz 80kHz V Frequency 55 5Hz Viewing angle H 170 V 160 Type Display Colors 16 M Display mode 1280 x 1024 5Hz EPA ENERGY STAR oet to The value under user mode which allows that the brightest two of 32 linear Contrast control M distributed gray scales 0 700mv can be distinguished Operating Temp 0 to 40 C Environmental Storage Temp 20 to 60 C Considerations Operating Humidity 15 to 90 Storage Humidity 15 to 90 Peak surge current lt 55A peak at 240 VAC and cold starting No advance effects no loss of information or defect with a maximum of 1 half wave Power line surge missing per second LCD Panel Specification General Specifications specification 396 324 16 5 Typ 376 32 H x301 056 V 19 0 diagonal 1280 H x 1024 V 0 294 H x 0 294 V RGB Vertical Stripe 16 7M 6 bits Hi FRC 6500K Normally white Antiglare Hard Coating 3H INN 1950 ws Back light 4 CCFLs Top amp bottom edge side Input signal ch LVD Systen 3 5 Typ Power consumption Typ BL I9 5 Typ3 Mechanical Information Min Typ Max Module Size Dept ws m Weight without invertey 1950 g Torque of customer screw hoe 430 Electrical Characteristics White lo
30. viewing position you can adjust the height tilt swivel pivot of the monitor Height Adjustment After pressing the top of the monitor push the lock button towards right then you can adjust the height of the monitor 110mm 19 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 350 350 Adjust height to the top position before rotation the monitor Rotate clockwise until the monitor stops at 90 909 B Monitor Pivot 20 Operating Instructions Chapter 2 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 e The power cord should be connected e Connect the video cable from the monitor to the video card e Press the power button to turn on the monitor position The power indicator will light up External Controls e AUTO MENU lt gt d l Front panel controls 1 Power LED Lights up to indicate the power is turned on 2 Power Switch Turn the power on or off 3 4 lt gt Press lt or gt to navigate to the desired function press Enter to select the function Press lt or gt to change the settings of the current function 5 Menu Enter Activate the OSD menu
31. when the OSD is off or activate deactivate the adjustment function when the OSD is on 6 Auto adjust button Exit a When the OSD menu is active this button will act as the exit key exit OSD menu b When the OSD menu is inactive press this button for two seconds to activate the Auto Adjustment function The Auto Adjustment function s used to set the HPos VPos Clock and Focus 7 Empowering Key Exit a When the OSD menu is active this button will act as the exit key exit OSD menu b When the OSD menu is inactive press this button to select scenario mode 21 eColor Management OSD Operation instructions 1 Pressthe Empowering Key to open the Acer eColor Management OSD and access the scenario modes 2 Press lt or gt to select the mode 3 Press the Auto adjust button to confirm the mode and run Auto Adjust mpowering technology Standard a IE m User Text Standard Graphic Movie mode mode mode mode mode Features and benefits User mode User defined Settings can be fine tuned to sult any situation Text mode Optimal balance of brightness and contrast to prevent eyestrain The most comfortable way to read onscreen text Standard mode Default settings Reflects native display capability Graphic mode Enhances colors and emphasizes fine detail Pictures and photographs appear in vibrant colors with sharp detail Movie mode Displays scenes in clearest detail Presents great visuals even
32. y with the emission limits 3 The manufacturer is not responsible for any radio or TV interference caused by unauthorized modification to this equipment It is the responsibility of the user to correct such interference As ENERGY STAR Partner our company has determined that this product meets the ENERGY STAR guidelines for energy efficiency Warning To prevent fire or shock hazard do not expose the monitor to rain or moisture Dangerous high voltages are present inside the monitor Do not open the cabinet Refer servicing to qualified personnel only 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 Use only a trolley or stand recommended by the manufacturer or sold with the monitor If you mount the monitor on a wall or shelf uses a mounting kit approved by the manufacturer and follow the kit instructions e Slots and openings in the back and bottom of the cabinet are provided for ventilation To ensure reliable operation of the monitor and to protect it from overheating be sure these openings are not blocked or covered Do not place the monitor on a bed sofa rug or similar surface Do not place the monitor near or over a radiator or heat register Do not place the monitor in a bookcase or
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