Table of Contents
Advertisement
19" LCD Color Monitor
Service
Service
Service
Description
Table of Contents.........................................................1
Revision List................................................................2
Important Safety Notice...............................................3
1.Monitor Specification.................................................4
2.LCD Monitor Description.......................................6
3.Operation Instruction...............................................7
3.1.General Instructions.................................................7
3.2.Control Button......................................................7
3.3.OSD Menu............................................................9
4.Input/Output Specification.......................................13
4.1.Input Signal Connector.........................................13
4.2.Factory Preset Display Modes...............................14
4.3.Panel Specification.............................................15
5.Block Diagram........................................................17
5.1.Main Board......................................................17
ANY PERSON ATTEMPTING TO SERVICE THIS CHASSIS MUST FAMILIARIZE HIMSELF WITH THE CHASSIS
AND BE AWARE OF THE NECESSARY SAFETY PRECAUTIONS TO BE USED WHEN SERVICING
ELECTRONIC EQUIPMENT CONTAINING HIGH VOLTAGES.
CAUTION: USE A SEPARATE ISOLATION TRANSFOMER FOR THIS UNIT WHEN SERVICING
919Pz
Table of Contents
Page
Description
5.2.Power Board.............................................18
6.Schematic.......................................................19
6.1.Main Board....................................................19
6.2.Power Board..................................................23
6.3.Key Board......................................................26
7.PCB Layout.....................................................27
7.1.Main Board....................................................27
7.2.Power Board..................................................30
7.3.Key Board....................................................32
8.Maintainability..................................................33
8.1.Equipments and Tools Requirement...............33
8.2.Trouble Shooting..........................................34
9.White-Balance, Luminance Adjustment.............38
10.Monitor Exploded View.................................40
11.BOM List...................................................44
SAFETY NOTICE
AOC 919Pz&919Sz&919Vz
919Sz&919Vz
Horizontal Frequency
30-80 KHz
Page
Advertisement
Table of Contents
Subscribe to Our Youtube Channel
Related Manuals for AOC 919Pz
Summary of Contents for AOC 919Pz
-
Page 1: Table Of Contents
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 5.2.Power Board……………..……………...…..18 Table of Contents..……......……..1 6.Schematic……………........19 Revision List.…........…………..2 6.1.Main Board………...........19 Important Safety Notice.……......……..3 6.2.Power Board...…….........23 1.Monitor Specification......………..4 6.3.Key Board...……..........26 2.LCD Monitor Description……………………………..6... -
Page 2: Revision List
Revision List Version Release Date Revision History Customer Model TPV Model Name T9AHMJDBK1K3DN 919Pz T9AHMJDMKASDDN T9AHMJDBK1KPAN Sep.16.2010 Initial release 919Sz T9AHMJDMK1SDAN T9AHMJDBK1K2DN 919Vz T9AHMJDLK13ADN Nov.08.2010 Add new model 919Vz T9AHMJDTKA1RDN Dec.02.2010 Add new model 919Vz T9AHMJDLK13ADN 919Pz T9AGMJDBKNK3DN Dec.14.2010 Add new models... -
Page 3: Important Safety Notice
Important Safety Notice Proper service and repair is important to the safe, reliable operation of all AOC Company Equipment. The service procedures recommended by AOC and described in this service manual are effective methods of performing service operations. Some of these service operations require the use of tools specially designed for the purpose. The special tools should be used when and as recommended. -
Page 4: Monitor Specification
1. Monitor Specifications Model number 919Pz Driving system TFT Color LCD Viewable Image Size 48.3cm diagoanl Pixel pitch 0.294mm(H) x 0.294mm(V) LCD Panel Video R, G, B Analog lnterface & Digital Interface Separate Sync. H/V TTL Display Color 16.7M Colors... - Page 5 Model number 919Sz&919Vz Driving system TFT Color LCD Viewable Image Size 48.3cm diagoanl Pixel pitch 0.294mm(H) x 0.294mm(V) LCD Panel R, G, B Analog lnterface (for 919Sz) Video R, G, B Analog lnterface & Digital Interface(for 919Vz) Separate Sync. H/V TTL Display Color 16.7M Colors Dot Clock...
-
Page 6: Lcd Monitor Description
2. LCD Monitor Description The LCD monitor will contain a main board, a power 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 each voltage. -
Page 7: Operation Instruction
* The power cord should be connected. * Press the power button to turn on the monitor. The power indicator will light up. 3.2 Control Buttons For 919Pz 1 Source(Auto) / Exit 2 Eco mode / - 3. Volume / + 4. - Page 8 For 919Sz&919Vz 1 Source(Auto) / Exit 2 Eco mode / - 3. Volume / + 4. Menu / Enter 5. Power Button & Indicator...
-
Page 9: Osd Menu
3.3 OSD Menu • Press the MENU-button to activate the OSD window. • Press+ or - to navigate through the functions. Once the desired function is highlighted, press the MENU-button to activate it.If the function selected has a sub-menu, press + or - again to navigate through the sub-menu functions.Once the desired function is highlighted, press MENU-button to activate it. - Page 10 Function Control Illustration Luminance Adjust Range Description Brightness 0-100 Backlight Adjustment Contrast 0-100 Contrast from Digital-register. Standard Mode Standard Text Mode Text Eco mode Internet Mode Internet Game Mode Game Movie Mode Movie Sports Mode Sports Gamma1 Adjust to Gamma1 Gamma Gamma2 Adjust to Gamma 2...
- Page 11 Adjust the horizontal position of V.Position 0-100 the picture. Color Temp. Recall Warm Color Temperature Warm from EEPROM. 6500K Recall Normal Color Normal Temperature from EEPROM. 7300K Recall Cool Color Temperature Cool from EEPROM. 9300K Recall SRGB Color Temperature sRGB from EEPROM.
- Page 12 Timeout 5-120 Adjust the OSD Timeout Transparence 0-100 Adjust the transparence of OSD Language Select the OSD language Extra Auto Select to Auto Detect input signal Select Analog Sigal Source as Analog Input Input Select Select Digital Sigal Source as Digital Input Auto Config...
-
Page 13: Input/Output Specification
Detect Cable GND-R GND-G GND-B Ground N.C. DDC-Serial data H-sync V-sync DDC-Serial clock DVI connector (FOR 919Pz&919Vz) Pin No. Signal Name Pin No. Signal Name Pin No. Signal Name TMDS Data 2- TMDS Data 1- TMDS Data 0- TMDS Data 2+... -
Page 14: Factory Preset Display Modes
4.2 Factory Preset Display Modes Stand Resolution Horizontal Frequency(kHz) Vertical Frequency(Hz) 640×480@60Hz DMT 31.469 59.940 Mac-mode 640×480@67Hz MAC 35.000 66.667 640×480@72Hz DMT 37.861 72.809 640×480@75Hz DMT 37.500 75.000 Dos-mode 720×400@70Hz DOS 31.469 70.087 SVGA 800×600@56Hz DMT 35.156 56.250 SVGA 800×600@60Hz DMT 37.879 60.317 SVGA... -
Page 15: Panel Specification
4.3 Panel Specification 4.3.1 General Features HannStar Display model HSD190MEN4-A* is a color active matrix thin film transistor (TFT) liquid crystal display (LCD) that uses amorphous silicon TFT as a switching device. This model is composed of a TFT LCD panel, the voltage reference, common voltage, DC-DC converter, column, and row driver circuit. - Page 16 Back-Light Unit 4.3.4 Optical Characteristics...
-
Page 17: Block Diagram
5. Block Diagram 5.1 Main Board DVI for 919Pz&919Vz 14.31818MHZ Panel Interface (X401) (CN301) Scalar IC TSUMO58QWHL-LF FLASH ROM Key Control Interface MX25L2026MI (Include ADC, OSD, MCU) (CN401) (U402) (U401) D-Sub Connector DVI Connector (CN101) (CN102) -
Page 18: Power Board
5.2 Power Board AC input Bridge Rectifier Transformer EMI filter Rectifier diodes and Filter Start Resistor (R904,R905) Feedback PWM Control Circuit Power Switch (IC901) (Q901) Photo coupler (IC903) Output Transformer MOSFET (PT801) Circuit (Q805, Q806) Lamp PWM Control Feedback ON/OFF TA9687GN Circuit (IC801) -
Page 19: Schematic
6. Schematic 6.1 Main Board 715G3329 1 2 DVI for 919Pz&919Vz FB102 100OHM1/16W VGA_B+ R105 C102 DSUB_B+ BEAD 47N 16V H_Sy nc R102 0R05 1/10W R103 1K1/16W R108 C105 DSUB_H V_Sy nc R104 1K1/16W 5pF 50V DSUB_V 75OHM1/16W 100OHM1/16W R106... - Page 20 CN301 PA[0..9] PB[0..9] PA[0..9] PB[0..9] LVB3P LVB0M RXO0- LVA3P LVB3M CN302 LVB0P RXO0+ LVA3M LVBCKP LVB1M RXO1- LVACKP LVBCKM LVB1P RXO1+ LVACKM LVB2P LVB2M RXO2- LVA2P LVB2M LVB2P RXO2+ LVA2M LVB1P LVB0M RXO0- RXO0+ LVB0P LVA1P LVB1M LVB1M RXO1- RXO1+ LVB1P LVBCKM RXOC-...
- Page 21 CN702 CMVCC1 U702 NC/AP1117D33L-13 CN701 CMVCC1 CMVCC1 BKLT-VBRI BKLT-VBRI R709 BKLT-EN R710 NC PANEL_ID# PANEL_ID# Volume# CMVCC1 VCC3.3 Volume# Mute1 Mute VOUT CONN C701 lock type C712 C707 100N 25V 100N 25V C708 C709 100N 25V U701 100N 25V 100UF25V AP1117E33LA DGND 2,3,5...
- Page 22 VCC3.3 FB402 VPLL VCC3.3 FB401 AVDD 300OHM 300OHM C408 100N 25V C407 100N 25V VDVI VMPLL VPLL AVDD VDDP VDDC VCTRL VCC3.3 FB410 VDVI CMVCC1 VCC3.3 FB404 VMPLL LVA3P DSUB_R+ RIN0P LVA3M 300OHM DSUB_R- RIN0M LVACKP R402 R451 VCC3.3 300OHM DSUB_G+ GIN0P LVACKM...
-
Page 23: Power Board
6.2 Power Board 715G2824P0100A001S BD901A KBP208G 100 OHM 1/4W R918 L904 +16V 100 OHM 1/4W R919 3.5uH BD901A C912 R947 R946 0.001uF 820OHM2W 820OHM2W 100 OHM 1/4W R920 C917 C918 ZD902 0 OHM 1/4W T ZX18B D906 680uF 25V 680uF 25V FMX-12SL FB902 relayout 20*40mm... - Page 24 4R7 1/8W 5% R817 +16V Q805 ZD802 ON/OFF RLZ5.6B ZD803 G1 D1 RLZ5.6B R816 4R7 1/8W 5% R803 R804 PT801 APM4548 5K1 1/8W 5% 5K1 1/8W 5% POWER X'FMR C815 0.1uF R819 Q806 C802 4R7 1/8W 5% 0.047uF G1 D1 R802 22R 1/8W 5% R805...
- Page 25 +5V1 +5V1 C604 R602 100uF/25V 10K 1/10W 5% R603 10K 1/10W 5% C609 1uF/25V 10K 1/10W 5% R609 IC601 CN602 LOUT+ SE/BTL LOUT- CN601 VOLUME R604 10K 1/10W 5% C601 0.47uF/16V LOUT- LIN- LOUT+ C606 0.47uF/16V ROUT- RIN- ROUT+ BY PASS R605 10K 1/10W 5% ROUT+...
-
Page 26: Key Board
6.3 Key Board 715G2835 2 LED_Y ELLOW# LED_GRN# D001 CN001 LBADC1 R002 2.0 KOHM +-1% 1/4W LBADC2 DC_POWERON R003 0 OHM +-1% 1/10W LED_GRN# LED_Y ELLOW# C001 C002 C003 C004 C005 R004 2.0 KOHM +-1% 1/4W R005 1 KOHM +-1% 1/10W NC/0.001uF NC/0.001uF NC/0.001uF... -
Page 27: Pcb Layout
7. PCB Layout 7.1 Main Board 715G3329 1 2... -
Page 30: Power Board
7.2 Power Board 715G2824P0100A001S... -
Page 32: Key Board
7.3 Key Board 715G2835 2... -
Page 33: Maintainability
8. Maintainability 8.1 Equipments and Tools Requirement Voltmeter. Oscilloscope. Pattern Generator. DDC Tool with an IBM Compatible Computer. Alignment Tool. LCD Color Analyzer. Service Manual. User Manual. -
Page 34: Trouble Shooting
8.2 Trouble Shooting No Power No power Check power cable is Re-plug the power cable tightened? Check Power “On/Off” Turn on the Power “On/Off” switch is “On”? Check the LED Check the AC power indicate is OK? Replace the power board and check connections Replace main board and check connections Replace key board and check connections... - Page 35 2. No Video (Power LED Green) No Video (Power LED Green) Press the power Replace the main board button is OK? Replace the power The end board and connection Replace the main The end board and connection Check the LVDS/FFC Replace the LVDS/FFC cable or panel cable or panel...
- Page 36 3. DIM DIM (image overlap, focus or flicker) Reset in factory mode The end Set to the optimal The end frequency, select the recommended frequency Readjust the phase and pixel The end clock in the user mode Pull out signal cable and Check the signal cable check “Self Test Feature and the PC...
- Page 37 4. Color is not optimal Color is not optimal Color shift Miss color Reset the factory mode Replace the signal cable In the user mode, set the “color settings” until customer satisfy The end Pull out the signal cable and check the screen color display is normal? Replace the signal cable or PC Replace the main board...
-
Page 38: White-Balance, Luminance Adjustment
9. White- Balance, Luminance Adjustment Approximately 30 minutes should be allowed for warm up before proceeding white balance adjustment. How to setting MEM channel you can reference to chroma 7120 user guide or simpl use “SC” key and “NEXT” Key to modify xyY value and use “ID”... - Page 39 C. Adjust Cool (9300K) color-temperature 1. Switch the Chroma-7120 to RGB-Mode (with press “MODE” button) 2. Switch the MEM. Channel to Channel 9 (with up or down arrow on chroma 7120) 3. The LCD-indicator on chroma 7120 will show x = 283 ±30, y = 297 ±30 4.
-
Page 40: Monitor Exploded View
9. Monitor Exploded View For 919Pz... - Page 41 Description BEZEL(L19A-8Q1A) LENS KEY BOARD KEY PAD PANEL HSD190MEN4-A02 NJ HSD POWER BOARD MAIN BOARD MAIN FRAME Part No. Description SPEAKER 0M1G 130 5120 SCREW(FOR MAIN FRAME/PANEL) REAR COVER19" 0M1G1730 6120 SCREW(FOR PB/MAINFRAME) HINGE 0M1G1730 6120 SCREW(FOR MB/MAINFRAME) BASE ASS'Y 0M1G1740 12 47 CR3 SCREW(FOR HINGE)
- Page 42 For 919Sz&919Vz...
- Page 43 Description BEZEL(L19A-8Q1A) LENS KEY BOARD KEY PAD PANEL HSD190MEN4-A02 NJ HSD POWER BOARD MAIN BOARD MAINFRAME Part No. Description SPEAKER 0M1G 130 5120 SCREW(FOR MAINFRAME/PANEL) REAR COVER19" 0M1G1730 6120 SCREW(FOR PB/MAINFRAME) HINGE 0M1G1730 6120 SCREW(FOR MB/MAINFRAME) STAND 0M1G 930 8120 SCREW(FOR HINGE) BASE 8S2 0M1G1740 10 47 CR3...
-
Page 44: Bom List
11. BOM List Note: The parts information listed below are for reference only, 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... - Page 45 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...
- Page 46 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...
- Page 47 C434 065G040210412K CAP 0402 0.1UF 10% 16V X7R C435 065G040210412K CAP 0402 0.1UF 10% 16V X7R C431 065G040210412K CAP CHIP 0402 100N 16V X7R +/-10% C432 065G040210412K CAP CHIP 0402 100N 16V X7R +/-10% C433 065G040210412K CAP CHIP 0402 100N 16V X7R +/-10% C434 065G040210412K CAP CHIP 0402 100N 16V X7R +/-10%...
- Page 48 C405 065G040210425K CAP 0402 0.1UF 10% 25V X5R C404 065G040210425K CAP 0402 0.1UF 10% 25V X5R C403 065G040210425K CAP 0402 0.1UF 10% 25V X5R C304 065G040210425K CAP 0402 0.1UF 10% 25V X5R C301 065G040210425K CAP 0402 0.1UF 10% 25V X5R C124 065G040210425K CAP 0402 0.1UF 10% 25V X5R...
- Page 49 KEPC9QI8 KEY BOARD CN001 033G3802 6B YH WAFER D001 081G 12 1F GH LED GREEN/YELLOW GHZYG603D2-5B LED Φ3MM YELLOW&GREEN D001 081G 12 1F GP GP32032M/G307-ZY-50-C 709G2835 QM001 CONSUMPTIVE ASS'Y R003 061G0603000 1F NO-SUGGEST RST CHIPR 0 OHM +-1% 1/10W R005 061G0603100 1F RST CHIPR 1 KOHM +-1% 1/10W R004...
- Page 50 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...
- Page 51 Q805 057G 763 91 ET AO4620 7.2A/30V -5.3A/-30V SOIC-8 Q806 057G 763 91 ET AO4620 7.2A/30V -5.3A/-30V SOIC-8 Q805 057G 763526 FET APM4548AKC 30V/7.4A -30V/-5.6A ANPEC Q806 057G 763526 FET APM4548AKC 30V/7.4A -30V/-5.6A ANPEC Q802 057G 763904 TRA FET 2N7002 SOT-23 PHILIPS R926 061G0603100 1F RST CHIPR 1 KOHM +-1% 1/10W...
- Page 52 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%...
- Page 53 C603 065G060347412K CAP CHIP 0.47UF 16V +/-10% X7R C602 065G060347412K CAP CHIP 0.47UF 16V +/-10% X7R C601 065G060347412K CAP CHIP 0.47UF 16V +/-10% X7R C928 065G080510332K CAP 0805 10NF K 50V X7R C811 065G080510432K CAP CHIP 0805 0.1UF K 50V X7R C815 065G080510432K CAP CHIP 0805 0.1UF K 50V X7R...
- Page 54 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...
- Page 55 Q45G 88607 69 PE BAG Q45G 88609199 EPE BAG Q50G 4 10 TIE (Y1900221) Q52G 1185 98 MIDDLE CARTON TAPE FOR AOC Q52G 1185 99 BIG CARTON TAPE FOR AOC S89G179T30N501 FFC CABLE 30P 215MM P1.0MM 089F80002153BG 1.0*30*2.5-215-3-0.65*0.05 033F303FH10BK3 F1010HA-30P-BK 033F303FJSHK30 1.0S-19-30A...
Need help?
Do you have a question about the 919Pz and is the answer not in the manual?
Questions and answers