AOC 919VZ manual

19" LCD Color Monitor AOC 919Pz&919Sz&919Vz Service Service Service 919Pz 919Sz&919Vz Horizontal Frequency 30-80 KHz 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 B[...]

2 Revision List Version Release Date Revision History Customer Model TPV Model Name A00 Sep.16.2010 Initial release 919Pz T9AHMJDBK1K3DN T9AHMJDMKASDDN 919Sz T9AHMJDBK1KP AN T9AHMJDMK1SDAN 919Vz T9AHMJDBK1K2DN T9AHMJDLK13ADN A01 Nov .08.2010 Add new model 919Vz T9AHMJDTKA1RDN A02 Dec.02.2010 Add new model 919Vz T9AHMJDLK13ADN A03 Dec.14.2010 Add ne[...]

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 method s of performing service operations. Some of these service operations re quire t he use of tools specially design ed fo[...]

4 1. Monitor S pecifications LCD Panel Model number 919Pz Driving system TFT Color LCD Viewable Image Size 48.3cm diagoanl Pixel pitch 0.294mm(H) x 0.294mm(V) Video R, G, B Analog lnterface & Digital Interface Separate Sync. H/V TTL Display Color 16.7M Colors Dot Clock 135 MHz Resolution Horizontal scan range 30 kHz - 80 kHz Horizontal scan Siz[...]

5 LCD Panel Model number 919Sz&919Vz Driving system TFT Color LCD Viewable Image Size 48.3cm diagoanl Pixel pitch 0.294mm(H) x 0.294mm(V) Video R, G, B Analog lnterface (for 919Sz) R, G, B Analog lnterface & Digital Interface(for 919Vz) Separate Sync. H/V TTL Display Color 16.7M Colors Dot Clock 135 MHz Resolution Horizontal scan range 30 k[...]

6 2. LCD Monitor Description The LCD monitor will cont ain a main board, a power board and a key board which hou se the flat panel con trol logic, brightness control logic and DDC. The power board will prov ide AC to DC Inverter voltage to drive the backlig ht of panel and the main board ch ip s each voltage. Monitor Block Diagram AC-IN 100V -240V [...]

7 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 personal preferen ces. * The power cord should be con nected. * Press the power button to turn on the moni tor.[...]

8 For 919Sz&919Vz 1 Source(Auto) / Exit 2 Eco mode / - 3. V olume / + 4. Menu / Enter 5. Power Button & Indicator[...]

9 3.3 OSD Menu • Press the MENU-button to activate the OSD window. • Press+ or - to navigate through the functions. Once the desired f unction is highlighted, press the MENU-button to activate it.If the function selected has a sub-menu, pres s + or - again to nav igate through the sub-menu functions.Once the de sired function is highlighted, pr[...]

10 Function Control Illustration Luminance Adjust Range Description Brightness 0-100 Backlight Adjustment Contrast 0-100 Contrast from Digital-regist er. Eco mode Standard Standard Mode Text Text Mode Internet Internet Mode Game Game Mode Movie Movie Mode Sports Sports Mode Gamma Gamma1 Adjust to Gamma1 Gamma2 Adjust to Gamma 2 Gamma3 Adjust to Gam[...]

11 V.Position 0-100 Adjust the horizontal position of the picture. Color Temp. Warm 6500K Recall Warm Color Temperature from EEPROM. Normal 7300K Recall Normal Color Temperature from EEPROM. Cool 9300K Recall Cool Color Temperature from EEPROM. sRGB Recall SRGB Color Tempe rature from EEPROM. User Red Red Gain from Digital-register Green Green Gain[...]

12 OSD Timeout 5-120 Adjust the OSD Timeout Transparence 0-10 0 Adjust the transparence of OSD Language Select the OSD language Extra Input Select Auto Select to Auto Detect input signal Analog Select Analog Sigal Source as Input Digital Select Digital Sigal Source as Input Auto Config yes or no A uto adjust the picture to default Image Ratio wide [...]

13 4. Input/Output Specification 4.1 Input Signal Connector Analog connector Pin Numbe r 15-Pin Side of the Si g nal Cable 1 Video-Red 2 Video-Green 3 Video-Blue 4 N.C. 5 Detect Cable 6 GND-R 7 GND-G 8 GND-B 9 +5V 10 Ground 11 N.C. 12 DDC-Serial data 13 H-sync 14 V-sync 15 DDC-Serial cl ock DVI connector (FOR 919Pz&919V z) Pin No. Signal Name P[...]

14 4.2 Factory Preset Display Modes Stand Resolution Horizontal Frequency(kHz) Vertical Frequency(Hz) VGA 640×480 @60Hz D MT 31.469 59.940 Mac-mode 640×480 @67Hz MAC 35.000 66.667 VGA 640×480 @72Hz D MT 37.861 72.809 VGA 640×480 @75Hz D MT 37.500 75.000 Dos-mode 720×4 00@70Hz DOS 31.469 70.087 SVGA 800× 600@56H z DMT 35.156 56.250 SVGA 800× [...]

15 4.3 Panel Specification 4.3.1 General Features HannStar Display model HSD190MEN4 -A* is a color active ma trix thin film transisto r (TFT) liquid crystal display (LCD) that uses amorphous silicon TFT as a swit ching device. This mod el is composed of a TFT LCD panel, the voltage reference, common volt age, DC-DC converter, column, and row d riv [...]

16 Back-Light Unit 4.3.4 Optical Characteristics[...]

17 5. Block Diagram 5.1 Main Board DVI for 919Pz&919Vz 14.31818MHZ (X401) FLASH ROM MX25L2026MI ( U402 ) Scalar IC TSUMO5 8QWHL-LF (Include ADC, OSD, MCU) (U401) Panel Interface (CN301) Key Control Interface (CN401) D-Sub Connector (CN101) DVI Connector (CN102)[...]

18 5.2 Power Board EMI filter S tart Resistor (R904,R905) PWM Control (IC901) T ransformer AC input 5V ON/OFF Feedback Circui t T ransformer (PT801) MOSFET (Q805, Q806) Lamp 16V Bridge Rectifier and Filter Feedback Circuit Rectifier diodes Output Circui t PWM Control T A9687GN (IC801) Power Switch (Q901) Photo coupler (IC903) 16V DIM PID 5V +5V Aud[...]

19 6. Schematic 6.1 Main Board 715G3329 1 2 DVI for 919Pz&919Vz RX 0P 5 VGA_R - CM VCC1 VGA_PLU G C1 09 5pF 50V RX 1P R1 21 NC DE T _ CA B L E 5 ESD _VC C2 C11 0 47N 16V FB104 300 OHM RX 2P R118 100OH M 1/16W FB1 1 0 300 OHM C10 4 22P 50V DS UB_ SO G 5 C112 NC C116 220nF 16V DV I_ 5 V DDC1 _S CL 5 VGA_PLU G DDC2 _ S CL U102 A T 2 4 C0 2 B N- S [...]

20 RX O C- R30 4 22K1/16W LVB3P R30 3 4. 7K1/16W PPWR _ON # 5 RX OC+ LVA1P RX O0 + P ANE L _ V CC PA0 RX O 3 - PB6 LVACKM LVB3M LVA2P R308 10K1/16W RX EC+ RX OC- PB3 LVA1M G C303 1UF 16V PB0 LVB1M LVA1P LVB1P PA3 PA9 A O 3401L LVA3P RX O 2 - RX O0 - RX E3 + LVA0M P A [0 ..9 ] 5 PA1 P A [0 ..9 ] LVA2M LVA0P LVB2M RX EC- S PB8 LVB2P RX E 1 - LVBCKP R[...]

21 BKLT -VBR I VC C3 .3 R70 3 10K1/ 16W BKLT -EN R71 0 NC U 704 N C/ AP111 7E18LA 3 2 1 4 VI VO GN D 4 Mut e 1 lock type BKLT -VBR I R 701 NC C 712 100N 25V R7 04 22K1/ 16W PANE L_ID # CN70 2 NC 1 2 3 4 5 6 U 703 AZ 1117D -1. 8-E1 2 3 1 OU T IN GN D C 705 100N 25V CN70 1 CONN 1 2 3 4 5 6 7 8 9 V CC3 .3 + C 704 100U F 25V CM VCC1 C 713 100N 25V DG N[...]

22 VCC 3.3 DDC1_S DA 2 KEY1 PA8 R429 NC VCC1.8 POWER_KEY # PB1 LED_ GRN/BL UE Mut e 4 LED_OR ANG E LED O RX 1P 2 C438 NC VCC3.3 LED_ORANGE R423 0R05 OHM1/16W Q407 NC VMPLL RX CP 2 DSUB_ H 2 LED G_B R409 10 0OHM1/16 W C402 4.7uF 10V PB4 C406 100N 25V PA0 RX 2P 2 C422 100N 25V VDDC DSUB_ G+ 2 POW ER_KE Y # BUZZE R VCC 3.3 VCC 3.3 R401 390 OH M 1/16W [...]

23 6.2 Power Board 715G2824P0100A001S +5V C924 0. 1uF MU TE C90 7 0.1uF D90 8 SP1060 1 2 3 HS1 HEAT SIN K(Q901) 1 2 C9 40 0. 047uF CN 903 NC 1 2 3 4 C93 1 0.1uF ! VOL DIM C9 00 3300pF 250V F90 1 FUSE R949 100 OHM 1/4W R930 9K1 1/10W 1% C92 1 1000PF/ 250VAC T90 1 POW ER X 'F MR 1 3 4 5 6 7 8 9 10 11 12 + C91 5 470uF 16V R962 100 OHM 1/4W D9 07 [...]

24 R 813 100K 1/ 10W 5% R 819 4R 7 1/ 8W 5% R8 31 470R 1/ 8W 5% ON / OF F R 810 100K 1/ 10W 1% CN80 2 1 2 R80 2 22R 1/ 8W 5% C 810 0. 0033uF C80 1 0. 047uF + C8 04 1000U F 25V C 802 0. 047uF +5V Q805 APM 4548 1 2 3 4 5 6 7 8 S2 G2 S1 G1 D1 D1 D2 D2 R83 2 470R 1/ 8W 5% R 836 56KOH M + -5% 1/ 10W C Cu stom 13 T ues day , M ay 18, 2010 715G2824-1-5 O [...]

25 R 610 10K 1/ 10W 5% C Cu sto m 44 T uesday , M ay 18, 2010 715G2824-2A-5 ODM M OD EL 04. AU D I O G2824-2A O E M MO D E L S i ze Re v Da te Sheet of TP V MO D E L PC B N AM E 称爹 T P V ( T o p V i cto r y El ectr o n ics Co . , Ltd . ) Key Component 絬 隔 瓜 絪 腹 LOU T- +5V 1 R 609 10K 1/ 10W 5% C6 1 1 100pF HS 4 HE A T SINK ( IC6 0 1) [...]

26 6.3 Key Board 715G2835 2 UP GN D POWER ME NU LB ADC1 LB ADC2 OK LE D_G RN# LED_Y ELLOW# DC_P O WE RO N 2 1 3 4 5 SW 002 SW LE D _ GRN# 2 1 3 4 5 SW003 SW 2 1 3 4 5 SW004 SW 1 3 2 D00 1 LED OEM M ODEL Siz e Rev Date Sheet of TP V MO D E L PCB N AME 称爹 T P V ( T op V ic tor y El e ctr o n i cs Co . , Ltd . ) Key C omponent 絬 隔 瓜 絪 腹 [...]

2 7 7. PCB Layout 7.1 Main Board 715G3329 1 2[...]

2 8[...]

2 9[...]

3 0 7.2 Power Board 715G2824P0100A001S[...]

3 1[...]

3 2 7.3 Key Board 715G2835 2[...]

3 3 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 Comp atible Computer . 5. Alignment T ool. 6. LCD Color Analyzer . 7. Service Manual. 8. User Manual.[...]

3 4 8.2 T rouble Shooting 1. No Power OK NG No power Check power cabl e is tightened? Check Power “On/Of f” is “On”? Re-plug the power cable Replace main board and check co nnections Check the LED indicate is OK? C heck the AC power Replace the power board and check co nnections OK NG OK NG NG T urn on the Power “On/Of f” switch Replace[...]

3 5 2. No Video (Power LED Green) No Video (Power LED Gre en) Press the power button is OK? Check the L VDS/FFC cable or p anel The end NG OK OK NG Replace the main board Replace the power board and connection Replace the L VDS/FFC cable or p anel NG The end Replace the key board NG OK Replace the main board and connection OK[...]

3 6 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 7 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 settings” until customer sat isfy Replace the main board NG OK NG OK NG[...]

3 8 9. White- Balance, Luminance Adjustment Approximately 30 minutes should be all owed for wa rm up before proceeding white balan ce adjustment. How to setting MEM channel you can referen ce to chroma 7120 user guide or simpl u se “SC” key and “NEXT” Key to modify xyY value and use “ID” key to modify the TEXT descripti on Following is [...]

3 9 C. Adjust Cool (9300K) color-temperature 1. Switch the Chroma-7120 to RGB-Mod e (with press “MODE” butt on) 2. Switch the MEM. Channel to Channel 9 (with up or down arrow o n chroma 7120) 3. The LCD-i ndicator 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 val[...]

4 0 9. Monitor Exploded V iew For 919Pz[...]

4 1 No. Description 1 BEZEL(L19A-8Q1A) 2 LENS 3 KEY BOARD 4 KEY PAD 5 PANEL HSD190MEN4-A02 NJ HSD 7 POWER BOARD 9 MAIN BOARD 11 MAIN FRAME No. Part No. Description 12 SPEAKER 6 0M1G 130 5120 SCREW(FOR MAIN FRAME/PANEL) 13 REAR COVER19" 8 0M1G1730 6120 SCREW(FOR PB/MAINFRAME) 14 HINGE 10 0M1G1730 6120 SCREW(FOR MB/MAINF RAME) 19 BASE ASS'Y[...]

4 2 For 919Sz&919Vz[...]

4 3 No. Description 1 BEZEL(L19A-8Q1A) 2 LENS 3 KEY BOARD 4 KEY PAD 5 PANEL HSD190MEN4-A02 NJ HSD 7 POWER BOARD 9 MAIN BOARD 11 MAINFRAME No. Part No. Description 12 SPEAKER 6 0M1G 130 5120 SCREW(FOR MAINFRAME/PANEL) 13 REAR COVER19" 8 0M1G1730 6120 SCREW(FOR PB/MAINFRAME) 14 HINGE 10 0M1G1730 6120 SCREW(FO R MB/MAINFRAME) 16 STAND 15 0M1G 930[...]

4 4 11 . B O M L i s t Note: The p arts inform ation listed below are for refere nce on ly , and are subject to change without notice. Please go to http://cs.tpv .com.cn/hello1.asp for the latest information. T9AHMJDBK1K3DN Location Part No. Description Remark 050G 600 3 HANDLE2 050G 600 4 HANDLE 1 052G 1207 A CONDUCTIVE TAPE 45MM *25MM *0.08MM 052[...]

4 5 U401 056G 562F11 IC TSUMO58QWHL-LF 1680X1050 EQFP-100 U703 056G 563 31 IC AZ1117D-1.8-E1 U701 056G 585 4A IC AP1117E33L-13 U107 056G 662502 IC ESD AZC199-04S.R7G SOT23-6L U106 056G 662502 IC ESD AZC199-04S.R7G SOT23-6L U105 056G 662502 IC ESD AZC199-04S.R7G SOT23-6L U104 056G 662502 IC ESD AZC199-04S.R7G SOT23-6L U103 056G 662502 IC ESD AZC199-[...]

4 6 R703 061G0402103 JY NO-SUGGEST RST CHIPR 10KOHM +-5% 1/16W Y R702 061G0402103 JY NO-SUGGEST RST CHIPR 10KOHM +-5% 1/16W Y R412 061G0402103 JY NO-SUGGEST RST CHIPR 10KOHM +-5% 1/16W Y R407 061G0402103 JY NO-SUGGEST RST CHIPR 10KOHM +-5% 1/16W Y R308 061G0402103 JY NO-SUGGEST RST CHIPR 10KOHM +-5% 1/16W Y R305 061G0402103 JY NO-SUGGEST RST CHIPR [...]

4 7 C434 065G040210412K M CAP 0402 0.1UF 10% 16V X7R C435 065G040210412K M CAP 0402 0.1UF 10% 16V X7R C431 065G040210412K Y CAP CHIP 0402 100N 16V X7R +/-10% C432 065G040210412K Y CAP CHIP 0402 100N 16V X7R +/-10% C433 065G040210412K Y CAP CHIP 0402 100N 16V X7R +/-10% C434 065G040210412K Y CAP CHIP 0402 100N 16V X7R +/-10% C435 065G040210412K Y CA[...]

4 8 C405 065G040210425K T CAP 0402 0.1UF 10% 25V X5R C404 065G040210425K T CAP 0402 0.1UF 10% 25V X5R C403 065G040210425K T CAP 0402 0.1UF 10% 25V X5R C304 065G040210425K T CAP 0402 0.1UF 10% 25V X5R C301 065G040210425K T CAP 0402 0.1UF 10% 25V X5R C124 065G040210425K T CAP 0402 0.1UF 10% 25V X5R C115 065G040210425K T CAP 0402 0.1UF 10% 25V X5R C10[...]

4 9 KEPC9QI8 KEY BOARD CN001 033G3802 6B YH L WAFER D001 081G 12 1F GH LED GREEN/YELLOW GHZYG603 D2-5B D001 081G 12 1F GP LED Φ 3MM YELLOW&GREEN GP32032M/G307-ZY-50-C 709G2835 QM001 CONSUMPTIVE ASS'Y R003 061G0603000 1F NO-SUGGEST RS T CHIPR 0 OHM +-1% 1/10W R005 061G0603100 1F RST CHIPR 1 KOHM +-1% 1/10W R004 061G1206200 1F NO-SUGGEST RS[...]

5 0 C918 067G215P6814XV CAP 105C 680UF M 25V C908 067G215R2207HB LOW ESR EC 22UF 50V M 6.3*11MM C908 067G215R2207KV LOW ESR EC 22UF 50V M 6.3*11MM C804 067G215S1024KV EC 1000UF 20% 25V 12.5*20 C916 067G215S1024LV LOW ESR EC 1000UF 25V M 12.5*20MM C804 067G215S1024LV LOW ESR EC 1000UF 25V M 12.5*20MM C915 067G215S47 13KV EC 105 ℃ CAP 470UF M 16V C[...]

5 1 Q805 057G 7 63 91 ET AO4620 7.2A/30V -5.3A/-30V SOIC-8 Q806 057G 7 63 91 ET AO4620 7.2A/30V -5.3A/-30V SOIC-8 Q805 057G 7 63526 FET APM4548AKC 30V/7.4A -30V/-5.6 A ANPEC Q806 057G 7 63526 FET APM4548AKC 30V/7.4A -30V/-5.6 A ANPEC Q802 057G 7 63904 TRA FET 2N7002 SOT-23 PHILIPS R926 061G0603100 1F RST CHIPR 1 KOHM +-1% 1/10W R927 061G0603100 2F [...]

5 2 JR601 061G0805000 JT RST CHIPR 0 OHM +- 5% 1/8W TZAI YUAN R924 061G08051000FT RST CHIPR 100 OHM +-1% 1/8W R924 061G08051000FY RST CHIPR 100 OHM +-1% 1/8W YAGEO R925 061G08051001FT RST CHIP 1K 1/8W 1% R939 061G08051001FT RST CHIP 1K 1/8W 1% R925 061G08051001FY RST CHIP 1K 1/8W 1% R939 061G08051001FY RST CHIP 1K 1/8W 1% JR803 061G 08051002FF RST [...]

5 3 C603 065G060347412K Y CAP CHIP 0.47UF 16V +/-10% X7R C602 065G060347412K Y CAP CHIP 0.47UF 16V +/-10% X7R C601 065G060347412K Y CAP CHIP 0.47UF 16V +/-10% X7R C928 065G080510332K F CAP 0805 10NF K 50V X7R C811 065G080510432K A CAP CHIP 0805 0.1UF K 50V X7R C815 065G080510432K A CAP CHIP 0805 0.1UF K 50V X7R C907 065G080510432K A CAP CHIP 0805 0[...]

5 4 D801 093G 64 1152T 1N4148 D903 093G 64 1152T 1N4148 D601 093G 64 1152T 1N4148 J810 095G 90 23 JUMPER WIRE J811 095G 90 23 JUMPER WIRE J812 095G 90 23 JUMPER WIRE J813 095G 90 23 JUMPER WIRE J901 095G 90 23 JUMPER WIRE J902 095G 90 23 JUMPER WIRE J904 095G 90 23 JUMPER WIRE J905 095G 90 23 JUMPER WIRE J809 095G 90 23 JUMPER WIRE J808 095G 90 23 [...]

5 5 Q34G0305BBLA1B0130 BEZEL(L19A-8Q1A) Q40G000361592A POP L ABEL FOR 919P2+ Q40G0003624 5A POP LABEL Q41G780A61588A HA STAND Q41G7880615 5A QSG Q44G9116101 EPS CUSHION Q44G9116201 EPS CUSHION Q44G9116615 5A CARTON Q45G 88607 34 PE BAG FOR BASE Q45G 88607 69 PE BAG Q45G 88609199 EPE BAG Q50G 4 10 TIE (Y1900221) Q52G 1185 98 MIDDLE CARTON TAPE FOR A[...]