AOC E2251SWDN manuale d’uso

2 1 . 5 " L C D C o l o r M o n i t o r A O C E 2 2 5 1 S W D N Service Service Service Horizontal Frequency 30-83KHz Table of Contents Description Page Description Page SAFETY NOTICE ANY PERSON A TTEMPTING T O SER VICE THIS CHASSI S MUST F AMILIARIZE HIMSELF WITH THE CHASSIS AND BE AW ARE OF THE NECESSAR Y SAFETY PREC AUTIONS T O BE USED WHEN[...]

2 Revision List Version Release Date Revision History L&T Model Name A00 Jun-5-2012 Initial Release TIBJT32CB7SUHNF .LF TIBJT32KB7A1HNF.LF TIBJT32CB7JBHNF.LF A01 AUG-20-2012 Add new models TIBJT32EB7RMHNF.LF TIBJT32EB7SPHNF.LF[...]

3 Import ant Safety Notice Proper service and repair is impo rtant to the safe, reliabl e operation of all AOC Company Eq uipment. The service procedures recommended by AOC and described in this serv ice manual are effective met hods of performing servi ce operations. Some of these service operations re quire t he use of tools specially designed fo[...]

4 1. Monitor S pecifications[...]

5 2. LCD Monitor Description The LCD MONITOR will contain a main board and a key board which house the flat panel con trol logic, brightness control logic and DDC. Monitor Block Diagram Flat Panel and LED backlight Main Board Key Board Adapter D-SUB Signal AC-IN 100V~240V LED Drive. DVI Signal[...]

6 3. Operating Instructions 3.1 General Instructions Press the power button to turn the monitor on or off. The other cont rol knobs are located at front panel of the monitor. By changing these settings, the picture can be adjusted to your per sonal preference s. 3.2 Hotkeys Power Press the Power button to turn on/off the monitor. Menu/Enter Press t[...]

7 3.3 OSD Setting Basic and simple instruction on the control keys. 1) Press the MENU-button to activate the OSD window. 2) Press < or > to navigate through the functions. Once th e desired fun ction is highlighted, press the MENU-button to activate sub -menu . Once the desired function is highlighted, press MENU-button to activate it. 3) Pre[...]

8 Luminance 1 Press (Menu) to display menu 2 Press or to select (Lumina nce), an d pr ess to enter 3 Press or to select submenu, and press to enter.[...]

9 4 Press or to adjust 5 Press to exit .[...]

10 Image Setup 1 Press (Menu) to display menu 2 Press o r to select (Image Setup) , and press to enter. 3 Press o r to select submenu, and press to enter. 4 Press o r to adjust.[...]

11 5 Press to exit . Clock 0-100 Adjust picture Clock to reduce Vertical-Line noise. Phase 0-100 Adjust Picture Phase to reduce Horizontal-Line noise Sharpness 0-100 Adjust picture sharpness H.Position 0-100 Adjust the horizontal position of the picture. V.Position 0-100 Adjust the vertical position of the picture. Color Setup 1 Press (Men u) to di[...]

12 3 Press o r to select submenu, and press to enter. 4 Press o r to adjust. 5 Press to exit .[...]

13 Color setup. Warm Recall Warm Color Temperature from EEPROM. Normal Recall Normal Color Temperature from EEPROM. Cool Recall Cool Color Temperature from EEPROM. sRGB Recall SRGB Color Temperature from EEPROM. User Red Red Gain from Digital-register Green Green Gain Digital-register. Blue Blue Gain from Digital-register DCB Mode Full Enhance on o[...]

14 Press o r to select submenu, and press to enter. 4 Press o r to adjust. 5 Press to exit . Frame Size 14-100 Adjust Frame Size Brightness 0-100 Adjust Frame Brightness Contras 0-100 Adjust Frame Contrast H. position 0-100 Adjust Frame horizontal Position V.position 0-100 Adjust Frame vertical Position Bright Frame on or off Disable or Enable Brig[...]

15 OSD Setup 1 Press (Men u) to displ ay menu. 2 Press o r to select (OSD Setup), and press to enter. 3 Press o r to select submenu, and press to enter.[...]

16 4 Press o r to adjust. 5 Press to exit . H.Position 0-100 Adjust the horizontal position of OSD V.Position 0-100 Adjust the vertical position of OSD Timeout 5-120 Adjust the OSD Timeout Transparence 0-100 Adjust the tr ansparence of OSD Language Select the OSD language Extra 1 Press (Menu) to display menu.[...]

17 2 Press o r to select (Extra), and press to enter. 3 Press o r to select submenu, and press to enter. 4 Press o r to adjust. 5 Press to exit .[...]

18 Exit 1 Press (Men u) to displ ay menu. 2 Press o r to select (Exit), and press to exit. Exit Exit the main OSD[...]

19[...]

20 4. Input/Output Specification 4.1 D-SUB CONNECTORS Pin Assignments Pin Number 15-Pin Side of the Signal Cable Pin Number 15-Pin Side of the Signal Cable 1 Video-Red 9 +5V 2 Video-Green 10 Ground 3 Video-Blue 11 N.C. 4 N.C. 12 DDC- Serial data 5 Detect Cable 13 H- sync 6 GND-R 14 V- sync 7 GND-G 15 DDC- Serial clock 8 GND-B[...]

21 4.2 Factory Preset Display Modes[...]

22 4.3 Panel Specification 4.3.1 General Features BM215WF4-T2BB is a Color Active Matrix Liquid Cryst a l Display with an integral Light Emitting Diode (LED) backlight system. The matrix employs a-Si Thin Film T ransistor as the ac tive element. It is a trans missive type display operating in the normally white mode. It has a 21.5 inch diagonally m[...]

23 4.3.3 Electrical Characteristics Ta = 25°C Parameter Symbol Va l u e s Unit Notes Min Ty p Max MODULE : Power Supply Input V oltage V LCD 4.5 5.0 5.5 Vdc Permissive Power Input Ripple V LCD - - 0.3 V 3 Power Supply Input Current I LCD-MOSAIC (60Hz) - 1000 1300 mA 1,5 I LCD-BLACK (60Hz) - 1300 1690 mA 2,5 I LCD-BLACK (75Hz) - 2000 mA 5 Power Con[...]

24 4.3.4 Optical Characteristics (Ta=25 °C, V LCD =5.0V, f V =60Hz, D CLK =72MHz, Is=110mA) Parameter Symbol Va l u e s Units Notes Min Ty p Max Contrast Ratio CR 400 600 - 1 (PR-880) Surface Luminance, white L WH 160 200 - cd/m 2 2 (PR-880) Luminance V ariation  WHI T E 9P 75 - - % 3 (PR-880) Response T ime R i s e Tim e Tr R - 1.3 2.6 ms 4 (R[...]

25 5. Block Diagram 5.1 Main Board DIM ON/OFF Feedback Circuit D801 L801 PWM Control MP3389EF (U801) 12V LED (CN803) MOSFET (Q806) H sync V sync RGB CRYST AL 14.318MHZ (X401) Flash Memory Pm25LD020C (U403) Scalar IC RTD2281W-CG (Include ADC, OSD, MCU) (U401) Panel Interface (CN406) Key Control Interface (CN405) DVI Connector (CN102) H sync V sync R[...]

26 6. Schematic 6.1 Main Board 715G4798M0E000004L C 104 47nF 16V C 105 47nF 16V BIN 0- RIN0 BIN 0 C 107 47nF 16V BIN 0 GIN 0 RIN0 DDCS CL _ A DDCS DA _ A C 108 47nF 16V ESD_VGA U 102 AZC 399-04S I/O 1 1 GND 2 I/O 2 3 I/O3 4 VDD 5 I/O4 6 U 101 F M24C02A A0 1 A1 2 A2 3 GND 4 SDA 5 SCL 6 WP 7 VCC 8 HS IN0 VSIN 0 C 110 47nF 16V VGA_5V +5V D 101 BAV70 3[...]

27 RX E C- RX O C+ RX O C- C1 4 2 100N 16 V LVB1P PB6 LVB2M PB5 LVB1M PB7 LVB3P PB0 LVB3M PB1 LVBC KP PB2 FB 1 0 2 120 OH M 1 2 LVBC KM PB 3 LVB2P PB4 P B [0..9 ] R147 300 OHM 1/4W LVB0P PB8 LVB0M PB9 RX O 0 - RX O0 + RX O 1 - RX O1 + R146 300 OHM 1/4W RX O 2 - PA6 LVA1P RX O 2 + PA5 LVA2M PA0 LVA3P PA4 LVA2P PA3 LVACKM PA1 LVA3M PA7 LVA1M PA[ 0. .[...]

28 R71 4 10K +-1% 1/10W R71 5 53.6 KOH M +-1% 1/1 0W C714 100pF 50V R71 3 10R 1/10W 5% C73 1 22pF 50V R72 6 30Kohm 1/ 16 W +/- 5% C72 2 2N 2 50V R70 5 4K7 1/16W 5% C728 1uF 25V R712 100K 1/16W 5% +5V 3, 4, 5 BKLT_EN 8 FB702 120 OHM 1 2 BKLT_VBR1 8 +12V 8 C71 3 1uF 25V Q701 LMBT3904LT1G + C718 180uF 16V L701 22UH C72 1 100N 16V Adj_BACKLI GH T 5 on_[...]

29 on_BACKL IGH T 7 C401 NC / 0. 22U F 16V CN 405 CONN 1 2 3 4 5 6 CN403 NC/CO NN 1 2 3 4 5 6 7 CN 401 NC/CONN 1 2 3 4 5 6 7 8 R440 NC R441 NC KEY 2 KEY 1 EESDA EESCL SY STEM_EEPROM_WP R404 NC/ 22K 1/ 16W 5% R402 NC/ 4K7 1/ 16W 5% C405 10 0P 50V R403 NC/ 4K7 1/ 16W 5% R406 NC / 100R 1/ 16W 5% R407 NC / 100R 1/ 16W 5% U402 NC/M 2 4 C1 6 A0 1 A1 2 A2[...]

30 R84 1 2.2O H M 1/10W R842 2.2O H M 1/10W R 819 33K 1/ 16W 5% + C 811 N C /470uF 16V R809 6.2K O HM + - 1% 1/ 10W Q806 P8008H V S1 1 G1 2 S2 3 G2 4 D1 8 D1 7 D2 6 D2 5 R803 33K 1/16W 5% C 801 0. 47uF 16V +12V 2010/6/2 2010/2/9 R816 6.8K 0.15 ohm BKLT _EN 7 0.2 ohm BKLT _VBR 1 7 NC +12V 7 190W R809 0.2 ohm 6.2K NC 230W R834 200W NC 0.12 ohm 215W 6[...]

31 6.2 Key Board 715G4842K0E000004F 5V_LED DAT A SM _CLK SM_IN T# R006 0R05 1/16 W ZD 001 UD Z SN P5. 6B 1 2 ZD 002 UDZSNP 5 .6 B 1 2 CN00 1 CABLE 1 2 3 4 5 6 R005 0R05 1/16 W CIN_03 CIN_0 7 CIN_1 1 5V_LED CIN_0 1 + - R007 4K7 1/ 16W 5% V3. 3 R008 4K7 1/16W 5% OE M MO D EL Size Rev Date Sh eet of TPV MO D EL PCB N AME 称爹 T P V ( T op V ic tor y[...]

3 2 7. PCB Layout 7.1 Main Board[...]

3 3[...]

3 4 7.2 Key Board 715G4842K0E000004F[...]

3 5 8. Maint ainability 8.1 Equipment s and T ools Requirement 1. V oltmeter . 2. Oscilloscope. 3. Pattern Generator . 4. DDC T ool with an IBM Compatible Computer . 5. Alignment T ool. 6. LCD Color Analyzer . 7. Service Manual. 8. User Manual.[...]

3 6 8.2 T rouble Shooting 1. No Pow er OK No power Check power cabl e is tightened? Check Power “On/Of f” is “On”? Re-plug the power cable Replace key board and check co nnections Check the LED indicate is OK? Check the AC power Replace main board and check co nnections OK NG OK NG T urn on the Power “On/Of f” switch[...]

3 7 2. No Video (Power LED White) No Video (Power LED White) Press the power button is OK? Check the L VDS/FFC cable or p ane l The end NG OK Replace the main board Replace the L VDS/FFC cable or p ane l Replace the key board NG Replace the main board and connection OK OK[...]

3 8 3. DIM OK The end OK The end OK The end DIM (image overlap, focus or flicker) Reset in factory mode Set to the optimal frequency , select the recommended fre q uenc y Pull out signal cable and check “Self T est Feature Check” is ok? Check the signal cable and the PC Readjust the phase and pi xel clock in the user mode Replace the main board[...]

3 9 4. Color is not optimal NG Color is not optimal Miss color Color shift Replace the signal cable Pull out the signal cabl e and check the screen color display is normal? The end Replace the signal cable or PC Reset the factory mode In the user mode, set the” color settin g s” until custom er satisf y Replace the main board NG OK NG OK NG[...]

4 0 9. White- Balance, Luminance Adjustment Approximately 30 minutes should be all owe d for wa rm up before proceeding white balance adjustment. How to setting MEM channel you can referen ce to chrom a 7120 user guide or simpl u se “S C” key and “NEXT” Key to modify xyY value and use “ID” key to modify the TEXT descripti on Followi ng [...]

4 1 C. Adjust Cool (9300K) color-temperature 1. Switch the Chroma-7120 to RGB-Mode (with p ress “MODE” button) 2. Switch the MEM. Channel to Channel 9 (with up or down arrow o n chroma 7 120) 3. The LCD-indicator on chroma 7120 will show x = 283 ±30, y = 297 ±30 4. Adjust the RED on factory window until chroma 7120 indicator reach ed the valu[...]

4 2 10. Monitor Exploded V iew[...]

4 3 No. Description 1 BEZEL 2 Power lens 3 RUBBER FEET 4 Main frame 5 Rear cover 6 Hinge 7 Stand 8 Stand cover 9 Base No. Part No. Description 10 Stand plate 16 0D1 G1030--8120 SCREW(MAIN BOARD/M AIN FRAME) 11 RUBBER FOOT 17 0Q1G-140-10 120 SCREW(REAR COVER/HINGE) 12 MYLAR 18 0M1G3130--5-47-CR3 SCREW(REAR COVER/MAIN FRAME) 13 KEY BOARD 19 0M1G1730-[...]

4 4 1 1. BOM List Note: The p arts inform ation listed below are for refere nce only , and are subject to change without notice. Please go to http://cs.tpv .com.cn/hello1.asp for the latest information. TIBJT32CB7SUHNF.LF 点位 组件 对象描述 备注 040G-58162435A P/N L ABEL FOR MANUAL PE BAG 040G-58162 461A Energy star label 040G-581689-4A B[...]

4 5 3110T-0856A GALVALUME, T=0.3,BM215WF4-TJA1-6F1-A0 ， Up 3110T-0856B GALVALUME, T=0.3,BM215WF4-TJA1-6F1-A0 ， Down 3850L-0088A ID, YUPO, 78X37 4296L-0284B PMP-P2 100-520U-13, 5U-C60 black A600, 170x7x0.45 6060L-2569A LM215WF4(TJBA,T2BB) 6061L-2064A LM215WF4-TJAA 0ILUL-0185A LS0609D3-C6LS, LUSEM, 960, 6BIT, MINI, C_B, R/TP, 48MM, 4PF, UPILEX, T[...]

4 6 C77,C907 C73 0CH2A-0017A 2.2U F, 10 Volt, K PER, X5R(JB), 1608 R/TP, T=0.9(MAX) C313,C31 4,C3 15,C318,C52, C61,C62,C63 , C64,C71,C72 , C913,C91 4,C9 20,C921 0CH2A-0026A 10U F, 25 Volt, K PER, X5R(JB), 3225 R/TP, T=1.0(MAX) C312 0CH2A-0038A 0.1U F, 25 Volt, Z PER, Y5V(JF), 1005 R/TP, T0.55(MAX) C701 0CH2A-0049 A 1.5nF, 50, -10~+10(K), 1608, X7R([...]

4 7 R140,R14 2,R1 79,R180,R20, R302,R54 ,R60 1,R602 ,R801, R802,R90 1,R9 02,R903,R906, R908 R131 0RH01 02C42 2 10 OHM 1/16W 1608 1% D R/TP R701 0RH02 21C622 2.2 OHM 1/16W 1608 5% D R/TP R10,R11,R12 , R13,R14,R15 , R16,R17,R18 , R19,R22,R23 , R25,R26 0RH0302C422 30 OHM 1/16W 1608 1% D R/TP R322 0RH04 72C42 2 47 OHM 1/16W 1608 1% D R/TP R2,R3 0RH1000[...]

4 8 R243,R253 0RH2702C422 27K OHM 1/16W 1608 1% D R/TP R148,R22 3,R2 34,R245 0RH3302C422 33K OHM 1/16W 1608 1% D R/TP R135 0RH36 02C42 2 36K 1/16W 1% 1608 R201 0RH39 00C422 390 OHM 1/16W 1608 1% D R/TP R146 0RH39 02C42 2 39K OHM 1/16W 1608 1% D R/TP R324,R32 6,R6 7 0RH4700C422 470 OHM 1/16W 1608 1% D R/TP R202 0RH47 02C42 2 47K OHM 1/16W 1608 1% D [...]

4 9 CN1 6630L-0157B FI-XB30SL-HF10, JAE, 30 Pin, 1 mm, Angle, Sn, USER LOCK 6630L-0410A IS100-L30F-C15, UJU, 30 Pin, 1 mm, Angle, Sn, USER LOCK 2nd SOURCE 6870S-1235A LM215WF4-TJC1-6 11, 2L, 0.6, 479.15*1 22.15, 3, N, Source, NO, Single Side E2436L 6091L-1904D BM215WF4-T2AA 6091L-1904B BM215WF4-T2AA 2nd SOURCE 3022L-1413A KOLON, XC210, T=0.123, BM2[...]

5 0 7250L-1408A ZH350 25x16x0.1 7250L-1488B Conductive Tape,STN1026WR(P), T=0.11, 15*25*0.11 756GFBCB-AA016--00 MAINBOARD-CBPCAT3A1AX SMTCA-U403 100GARJI004FT1 MCU ASS ’ Y-056G2233-11 A15G1636101 MAIN_FRAME A15G1648101 PlATE A33G1203AED-1B010 0 stand-top A33G1204--1-1C0100 Power lens A34G2579AEDD1B013 0 BEZEL A34G2580AED-1B0100 rear cover A34G258[...]

5 1 055G--23524 --A WELDING FULX WITHOUT Pb Q49G--51100 GW2066 Cleaner Q55G-10062 5 TIN STICK_LOW ARGENTUM C141,C707 F67G305M 1013GV 100uF +-20% 16V 105 ℃ 2000H 6.3*7 067G305S1013HV EC 100UF 20% 16V 6.3*7 2nd SOURCE CN701 F88G-304-11-YG DC JACK 3P BLACK YCG 088G-304-11--C DC JACK 3P BLACK CL 2nd SOURCE CN803 033G801910Y--H NO-SUGGEST WAFER 10P 0.[...]

5 2 Q705 057G-763535 MOSFET LP3401LT1G -4.2A/-30V SOT-23 LRC 057G-763940 MOSFET AO3401A 4. 2A/30V SOT-23 AOS 2nd SOURCE R419,R42 1,R4 24,R425,R439, R444,R44 8,R4 52,R453,R483 061G0402000-JT RST CHIPR MAX0R05 1/16W TZAI YUAN R104,R10 9,R1 16,R131,R132, R133,R13 4,R1 35,R136,R137, R138 061G0402100-JT RST CHIPR 10 OHM +-5% 1/16W 0402 TZAI YUAN R120,R1[...]

5 3 77,R478 R112,R11 3,R1 28,R129,R415, R420,R45 1,R4 59,R467,R475, R476,R70 5,R7 18 061G0402472-JT RST CHIPR 4.7 KOHM +-5% 1/16W 0402 TZAI YUAN R106,R11 0,R1 17 061G040275 0-JT RST CHIPR 75 OHM +-5% 1/16W 0402 TZAI YUAN FB101,R119,R 455 061G0603000-JT RST CHIP MAX 0R05 1/10W TZAI YUAN R713 061G060310 0-JT RST CHIPR 10 OHM +-5% 1/10W 0603 TZAI YUAN[...]

5 4 R843 061G 120 6681-JT RST CHIPR 680 OHM +-5% 1/4W C404,C40 5,C4 06 065G040210 131J---Y MLCC 0402 100pF +-5% 50V NPO YAGEO C113,C11 4,C1 15,C117,C118, C119,C14 2,C4 02,C403,C408, C409,C41 0,C4 11,C414,C417, C419,C42 2,C7 08,C709,C717, C721,C72 5 065G040210412K---A MLCC 0402 0.1uF +-10% 16V X7R SAMSUNG C416,C420 065G0402105A5K---A MLCC 0402 1uF +[...]

5 5 065G060347412K---T MLCC 0603 0.47uF -10% 16V X7R TAIYO YUDEN 2nd SOURCE C802 065G 060 368332K---Y MLCC 0603 68nF +-10% 50V X7R YAGEO C413,C42 4,C4 25 065G080510 6A5K---A MLCC 0805 10uF +-10% 10V X5R SAMSUNG 065G0805106A5K---T MLCC 0805 10uF -10% 10V X5R TAIYO YUDEN 2nd SOURCE C813,C814 065G080522232K---Y MLCC 0805 2200pF +-10% 50V X7R YAGEO C80[...]

5 6 ZD703 093G-39GA5 2--T DIDOE ZD ZM-PTZ9.1B ST 9.1V/1W LL-41 SEMTECH D801 093G-60S 907--T Diode SCHOTTKY B3100B 3A 100V SMB LITEON D701 093G 300 4--2 DIODE SCHOTTKY SR34 3A/40V SMB PANJIT CN405 311GF100 C06ADH FFC CONN 6 P 1.0mm HR U705 356G056341 9 IC LDO DC/ DC APW7089KAI-TRG 4A 26V SOP-8P ANPEC 056G-563513 NO-SUGGEST IC LDO APW7080KAITRG 4A/26[...]

5 7 F95G176X-10103 FFC CABLE 10P 326MM P0.5MM WENXIN 2nd SOURCE F09503 F95G179X30N102 FFC CABLE 30P 241MM P1.0MM WENXIN F95G179J30N102 FFC CABLE 30P 241MM P1.0MM KOTL 2nd SOURCE KEPCAAB5 KEY BOARD F09501 F95G-76T--6603 FFC CABLE 6PIN 344MM 1.0MM DIY F95G-76X--6603 FFC CABLE 6PIN 344MM 1.0MM WENXIN 2nd SOURCE F95G-76J--6603 FFC CABLE 6P IN 344MM 1.0[...]

5 8 E715 715G4842K01000004S Key Board FR-4 105*11*1.2mm 16 715G4842K01000004F Key Board FR-4 105*11*1.2mm 16 2nd SOURCE 715G4842K01000004L Key PCB FR-4 105*11*1.2mm 16 2nd SOURCE Q12G6600--6 FOOT Q40G000161514A CARTON LABEL(70*80) Q40G0001624-4A PALLET LABEL Q41G78D1615-9A WARRANTY CARD Q45G201 0M 0201A pe bag for m anual Q45G8801607--7 pe bag[...]