manualshive.com logo in svg

AOC e2250Swh, Service Manual, Page: 43 / 69

Share
Download
AOC e2250Swh Service Manual Download Page 43

 

43                                                                                                                  

8.2 Trouble Shooting 

1. No Power 

OK 

NG 

No power

 

Check power cable is 

tightened? 

Check Power “On/Off” 

is “On”? 

Re-plug the power cable 

Replace main board and check connections 

Check the LED 
indicate is OK? 

Check the AC power   

Replace the converter board 

OK 

NG 

OK 

NG 

NG 

Turn on the Power “On/Off” switch 

Replace key board and check connections 

NG 

Summary of Contents for e2250Swh

Page 1: ...on 5 3 Operation Instruction 6 3 1 General Instructions 6 3 2 Control Buttons and Connections 6 3 3 OSD Setting 8 4 Input Output Specification 24 4 1 Input Signal Connector 24 4 2 Preset Display Modes 25 4 3 Panel Specification 26 5 Block Diagram 29 5 1 Main Board 29 5 2 Power Board 30 6 Schematic 31 6 1 Main Board 31 6 2 Power Board 36 7 PCB Layout 38 7 1 Main Board 38 7 2 Power Board 40 7 3 Key ...

Page 2: ...Initial release HIBANZ2EAGA1D1E HIBANZ2EAGA1DNE HIBKNZ6FAGA1DNE HIBKNZ2EAGA1DNE HIBANZ6FAGA1D1E HIBANZ6JAGA1DNE HIBKNZ6JAGA1DNE HIBANZ6JAGA1D1E A01 Dec 06 2011 Add new models HIBANZ2EAHA2DNE HIBANZ6BAGA1D1E HIBANZ6FAGA1DNE HIBCNZ2EAGA1DNE HIBCNZ6FAGA1DNE HIBCNZ6JAGA1DNE HIBKNZ6BAGA1DNE ...

Page 3: ...may create shock fire or other hazards Under no circumstances should the original design be modified or altered without written permission from AOC AOC assumes no liability express or implied arising out of any unauthorized modification of design Servicer assumes all liability FOR PRODUCTS CONTAINING LASER DANGER Invisible laser radiation when open AVOID DIRECT EXPOSURE TO BEAM CAUTION Use of cont...

Page 4: ...4 1 Monitor Specifications ...

Page 5: ...tness control logic and DDC The power part will provide AC to DC Inverter voltage to drive the backlight of panel and the main board chips each voltage AC IN 100V 240V Monitor Block Diagram Flat Panel and LED backlight Main Board RS232 Connector For white balance adjustment in factory LED Drive Video signal DDC HOST Computer Key Board PLPC board ...

Page 6: ... the monitor Eco DCR Press the Eco key continuously to select the Eco mode of brightness and DCR on when there is no OSD Eco mode hot key may not be available in all models Volume 4 3 or wide When there is no OSD Press Volume button to active volume adjustment bar Press or to adjust volume Only for the models with speakers Auto Exit When there is no OSD press Auto Source button continuously about ...

Page 7: ...nect the other end to the computer s D Sub port 3 Connect one end of the DVI cable to the back of the monitor and connect the other end to the computer s DVI port 4 Optional Requires a video card with HDMI port Connect one end of the HDMI cable to the back of the monitor and connect the other end to the computer s HDMI port 5 Turn on your monitor and computer If your monitor displays an image inst...

Page 8: ...u want to adjust any other function repeat steps 2 3 4 OSD Lock Function To lock the OSD press and hold the MENU button while the monitor is off and then press power button to turn the monitor on To un lock the OSD press and hold the MENU button while the monitor is off and then press power button to turn the monitor on Notes 1 If the product has only one signal input the item of Input Select is d...

Page 9: ...Luminance 1 Press Menu to display menu 2 Press or to select Luminance and press to enter 3 Press or to select submenu and press to enter 4 Press or to adjust ...

Page 10: ...10 5 Press two times to exit ...

Page 11: ...11 Image Setup 1 Press Menu to display menu 2 Press or to select Image Setup and press to enter 3 Press or to select submenu and press to enter 4 Press or to adjust ...

Page 12: ...12 5 Press two times to exit ...

Page 13: ...13 Color Setup 1 Press Menu to display menu 2 Press or to select Color Setup and press to enter 3 Press or to select submenu and press to enter 4 Press or to adjust ...

Page 14: ...14 5 Press two times to exit ...

Page 15: ...15 Picture Boost 1 Press Menu to display menu 2 Press or to select Picture Boost and press to enter 3 Press or to select submenu and press to enter 4 Press or to adjust ...

Page 16: ...16 5 Press two times to exit ...

Page 17: ...17 OSD Setup 1 Press Menu to display menu 2 Press or to select OSD Setup and press to enter 3 Press or to select submenu and press to enter 4 Press or to adjust ...

Page 18: ...18 5 Press two times to exit ...

Page 19: ...19 Extra 1 Press Menu to display menu 2 Press or to select Extra and press to enter 3 Press or to select submenu and press to enter 4 Press or to adjust ...

Page 20: ...20 5 Press two times to exit ...

Page 21: ...21 Exit 1 Press Menu to display menu 2 Press or to select Exit and press to enter 3 Press two times to exit ...

Page 22: ...nstalling the e Saver software follow the install wizard to complete software installation Under each of the four PC status you may choose from the pull down menu the desired time in minutes for your monitor to automatically shutdown The example above illustrated 1 The monitor will never shutdown when the PC is powered on 2 The monitor will automatically shutdown 5 minutes after the PC is powered ...

Page 23: ...ensor on the LOGO which is located on the left of AOC logo 2 The detecting range is too far or the things blocks monitor reset the examination area Screen Welcome to Screen software by AOC Screen software is a desktop screen splitting tool it splits the desktop into different panes each pane displays a different window You only need to drag the window to a corresponding pane when you want to acces...

Page 24: ...24 4 Input Output Specification 4 1 Input Signal Connector Analog connector ...

Page 25: ...25 4 2 Preset Display Modes ...

Page 26: ...n 2ch LVDS interface This module supports 1920 x 1080 Full HD 16 9 wide screen mode and displays up to 16 7 millions colors All input signals are 2 channel LVDS interface 4 3 2 GENERAL SPECIFICATIONS 4 3 3 Electrical Characteristics Electrical characteristics Note 1 Measurement conditions The duration of rising time of power input is 470us ...

Page 27: ...27 Note 1 LVDS Signal Waveform ...

Page 28: ...2 PLED ILED 4 VLED LED matrix is 15S4P The lightbar used by backlight unit Note 3 The lifetime of LED is defined as the time when it continues to operate under the conditions at Ta 25 2 and I 60 mA Per EA until the brightness becomes 50 of its original value Note 4 Pulse Width 10 msec and Duty 1 10 Note 5 Voltage Temperature curve 4 3 4 Optical Characteristics ...

Page 29: ...IN GNDG BIN GNDB HSYNC VSYNC DDCA_SDA DDCA_SCL DVI_SCL DVI_SDA RX0 RX0 RX1 RX1 RX2 RX2 RXC RXC DET_VGAI DET_DVII DDC_WP HDMI1_D2 HDMI1_D2 HDMI1_D1 HDMI1_D1 HDMI1_D0 HDMI1_CK HDMI1_CK HDMI1_D0 HDMI1_SDA HDMI1_SCL DET_HDMI1 CEC_CTRL HDMI1_HPD DDC_WP Mute AOUT_L AOUT_R AIN_R AIN_L on_Panel on_BACKLIGHT Adj_BACKLIGHT PANEL_ID Audio_EN Mute VCC3 3 VCC1 8 PB0 PB1 PB2 PB3 PB4 PB5 PB6 PB7 PB8 PB9 PA0 PA1 ...

Page 30: ... ON OFF DIM L801 LED CN804 PWM Control OZ9998BGN U801 14 5V EMI filter Start Resistor R908 R911 PWM Control LD7576AGR U901 Bridge Rectifier and Filter Rectifier diodes Transformer T901 Feedback Circuit Regulator IC903 5V Photo coupler U902 Power Switch Q901 ...

Page 31: ... 5 CH4 6 R103 100R 1 16W 5 C102 47nF 16V SCL_VGA C124 NC 100N16V R107 75R 1 16W 1 FB102 BEAD 1 2 C106 5PF 50V C116 220N16V C113 220N16V ZD101 NC RLZ5 6B FB106 300 OHM RED GREEN R129 1K 1 16W 5 BLUE R132 4K7 1 16W 5 R101 NC C114 NC 100N16V R104 100R 1 16W 5 FB101 BEAD 1 2 HPD R117 0R05 1 10W DVI5V1 C107 5PF 50V R102 100R 1 16W 5 RXC 5 SCL_DVI RX2 5 RX2 5 DVI_SDA 5 DVI5V 5 RXC 5 RX1 5 RX0 5 RX1 5 DA...

Page 32: ...MODEL PCB NAME 称爹 T P V Top Victory Electronics Co Ltd Key Component 絬 隔 瓜 絪 腹 UU240HGLW A OTS B 4 9 Monday Nov ember 22 2010 RDG4641 M0D OTS 0040 称爹 3 HDMI RDG4641 M0D OTS 0040 101122 U111 NC RClamp0524P TCT IN1 1 IN2 2 GND 3 IN3 4 IN4 5 OUT4 6 OUT3 7 GND 8 OUT2 9 OUT1 10 U109 AOZ8902CIL CH1 1 VN 2 CH2 3 CH3 4 VP 5 CH4 6 R153 1K 1 16W 5 U110 AOZ8804DI CH1 1 CH2 2 VN 3 CH3 4 CH4 5 NC 6 NC 7 VN 8 N...

Page 33: ...P 88 DVDD 87 T4M 86 T4P 85 T5M 84 T5P 83 T6M 82 T6P 81 TCLK2M 80 TCLK2P 79 T7M 78 T7P 77 DGND 76 PD6 75 PD5 74 PD4 AMUTE 73 PD3 SPI_CK 72 PD2 SPI_SI 71 PD1 SPI_SO 70 PD0 SPI_CE 69 P35 T1 68 P34 T0 67 DVDD 66 A_VCC 65 DVI_VCC 128 DGND 127 MVDD 126 DDC_SDA3 PA7 125 DDC_SCL3 PA6 124 DDC_SDA2 PA5 123 DDC_SCL2 PA4 122 LPD_IN1 PE1 121 LPD_IN0 PE0 120 CVDD 119 DVDD 118 OSCO 117 OSCI 116 DGND 115 RSTB 114...

Page 34: ... 瓜 絪 腹 UU240HGLW A OTS A 6 8 Tuesday Nov ember 30 2010 RDG4641 M0D OTS 0040 称爹 5 PANEL INTERFACE RDG4641 M0D OTS 0040 101122 PA9 LVA3P LVA0P RXE0 PA2 LVA1M C433 NC FB408 120 OHM 1 2 CN409 NC CONN 2 4 6 8 10 12 14 16 18 20 22 24 26 28 30 1 3 5 7 9 11 13 15 17 19 21 23 25 27 29 C434 NC R455 1K 1 4W CN408 CONN 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 R454 1K 1 ...

Page 35: ...K 1 16W 5 C708 100N16V Q704 NC C750 220N16V R750 1K 1 16W 5 R701 10K 1 16W 5 U702 NC AP2114D 3 3TRG1 VIN 3 VOUT 2 GND 1 U701 VIN 3 VOUT 2 GND 1 R720 NC 47K 1 16W 5 Q705 AO4449 7A 30V S 1 S 2 S 3 G 4 D 8 D 7 D 6 D 5 R711 NC 10K 1 16W 5 R721 56KOHM 1 16W CN701 CONN 1 2 3 4 5 6 7 8 9 U703 NC G1117 18T63Uf VI 3 VO 2 GND 1 4 4 C710 NC 0 1uF 16V C714 100N16V R714 NC Q702 LMBT3904LT1G Q701 LMBT3904LT1G C...

Page 36: ...V R906 100K C922 470UF M 16V C924 0 1uF 50V R914 43 2K OHM 1 D908 NC IN4148 R933 NC R905 470OHM 5 1 8W C927 47N 50V R904 250OHM2W D902 SR515 FB903 BEAD 1 2 R919 220 OHM 1 8W D901 SR515 C923 1nF 50V R917 10 OHM 1 4W R910 100 OHM 1 4W R920 1K 1 8W R909 100 OHM 1 4W T901 POWER X FMR 1 3 4 5 6 7 8 9 10 11 12 C908 0 47UF Q901 P0765ATF C928 2N2 500V U902 PC123X2YFZOF 1 2 4 3 U901 LD7576AGR CT 1 COMP 2 C...

Page 37: ... NC C813 100PF 50V R819 NC R812 0 1R 1 R818 10K 1 8W R813 0 1R 1 D801 SK310B 1 2 R814 10 OHM 1 1 4W C807 220N 50V R821 NC R803 300K 1 8W C811 0 47UF 50V R822 NC Q801 APM8005KCTRG S1 1 G1 2 S2 3 G2 4 D2 5 D2 6 D1 7 D1 8 R817 100 OHM 1 4W C803 1N 50V C805 1UF 25V L801 47UH CN804 CONN 1 2 3 4 5 6 7 8 FB802 BEAD 1 2 C806 220N 50V R810 20K 1 8W 1 R816 5 1K OHM 1 C814 100N 50V C815 1N 50V FB801 BEAD 1 2...

Page 38: ...38 7 PCB Layout 7 1 Main Board 715G4641M01000004S ...

Page 39: ...39 ...

Page 40: ...40 7 2 Power Board 715G4744P01000001C ...

Page 41: ...41 7 3 Key Board 715G4747K01000001C ...

Page 42: ...intainability 8 1 Equipments and Tools Requirement 1 Voltmeter 2 Oscilloscope 3 Pattern Generator 4 DDC Tool with an IBM Compatible Computer 5 Alignment Tool 6 LCD Color Analyzer 7 Service Manual 8 User Manual ...

Page 43: ... is tightened Check Power On Off is On Re plug the power cable Replace main board and check connections Check the LED indicate is OK Check the AC power Replace the converter board OK NG OK NG NG Turn on the Power On Off switch Replace key board and check connections NG ...

Page 44: ...ue Press the power button is OK Check the LVDS FFC cable or panel The end NG OK OK NG Replace the main board Replace the converter board Replace the LVDS FFC cable or panel NG The end Replace the key board NG OK Replace the main board and connection OK ...

Page 45: ...ry mode Set to the optimal frequency select the recommended frequency Pull out signal cable and check Self Test Feature Check is ok Check the signal cable and the PC Readjust the phase and pixel clock in the user mode Replace the main board Replace the panel NG NG NG OK NG NG OK The end OK NG ...

Page 46: ...r shift Replace the signal cable Pull out the signal cable 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 satisfy Replace the main board NG OK NG OK NG ...

Page 47: ...120 to RGB Mode with press MODE button 2 Switch the MEM channel to Channel 3 with up or down arrow on chroma 7120 3 The LCD indicator on chroma 7120 will show x 313 30 y 329 30 4 Adjust the RED on factory window until chroma 7120 indicator reached the value R 100 5 Adjust the GREEN on factory window until chroma 7120 indicator reachedthe value G 100 6 Adjust the BLUE on factory window until chroma...

Page 48: ...bove procedure item 4 5 6 until chroma 7120 RGB value meet the tolerance 100 2 D Adjust sRGB color temperature 1 Switch the chroma 7120 to RGB Mode with press MODE button 2 Switch the MEM channel to Channel 10 with up or down arrow on chroma 7120 3 The LCD indicator on chroma 7120 will show x 313 30 y 329 30 4 Adjust the RED on factory window until chroma 7120 indicator reached the value R 100 5 A...

Page 49: ...49 10 Mechanical Instructions 1 Put the monitor on the EPE pad 2 Lay down the monitor and the bottom side faces to Yourself ...

Page 50: ...50 3 Pinch the hook and remove the base 4 Use fixture to leave off the stand ...

Page 51: ...51 5 Use fixture to remove the hinge cover 6 Remove the screws of the stand ...

Page 52: ...52 7 Remove the screws of the back cover 8 Overturn the monitor and the top towards to yourself and then take apart the front frame with hands ...

Page 53: ...53 9 Prize up the front frame use fixture 10 Overturn the monitor and take off the back cover ...

Page 54: ...54 11 According to the different defective area to take off the KEPC light line LVDS Hexagon screws CBPC or PWPC to repair 1 Remove the KEPC 2 Pull the light line out ...

Page 55: ...55 3 Remove the Hexagon screws 4 Remove the LVDS ...

Page 56: ...56 5 Overturn the iron plate and remove the screws PWPC and CBPC ...

Page 57: ... Exploded Views NO PART NAME Q TY 1 BEZEL 1 2 FUNCTION BUTTON 1 3 POWER LENS 1 4 MYLAY 1 5 MAIN FRAME 1 6 HINGE PLATE 2 7 REAR COVER 1 8 HINGE 1 9 STAND 1 10 STAND COVER 1 11 BASE 1 12 RUBBER FOOT 4 13 HINGE COVER 1 ...

Page 58: ...5H1B2HN000 LCD M215HW01 VBTB WH AUO A15G1587101 HINGE PLATE A15G1597101H02 MAIN_FRAME A33G1181ABJ 1L0100 FUNCTION BUTTON FOR 50TH A33G1182 1 1L0100 POWER LENS FOR 50TH A33G1183ABJ 1L0100 STAND TOP FOR 50TH 18 5W A33G1184ABJ 1L0100 HINGE COVER FOR 50TH 18 5W A34G2530ABJ 1B0100 STAND COVER A34G2547AEDD2B0130 BEZEL FOR 50TH 21 5W A34G2548ABJ GB0100 REAR COVER 21 5 A34G2549AED 1B0130 BASE FOR E2250SW ...

Page 59: ...2nd source E08903 089G1745HAA 9 DVI CABLE 1 5M E08901 089G410A15N HL AC POWER CORD 1500 E08901 089G410A15N IS AC POWER CORD 1500 2nd source H40G 001624 2A CARTON LABEL BARCODE 2 H40G 24N61546A e2450Swh id label PRC H41G780961529A AP WARRANTY booklist 808GE2250SWHPHI E2250SWH Philippines ASS Y 089G 173 56 4B AUDIO CABLE E08908 089G 184CAA500 HDMI CABLE 1800mm 2nd source E08908 089G 184GAA500 HDMI C...

Page 60: ...89G 184CAA500 HDMI CABLE 1800mm 2nd source E08908 089G 184GAA500 HDMI CABLE 1 8m 2nd source E08908 089G 184HAA500 HDMI CABLE 1800mm E08902 089G 715CAAE01 SIGNAL CABLE 2nd source E08902 089G 715GAAE01 SIGNAL CABLE 2nd source E08902 089G 715HAAE01 SIGNAL CABLE E08903 089G1745CAA 9 DVI CABLE 1500 2nd source E08903 089G1745GAA 9 DVI CABLE 2nd source E08903 089G1745HAA 9 DVI CABLE 1 5M E08901 089G420A1...

Page 61: ...399 04S R7G SOT23 6L U101 056G 662 48 ESD PROTECT AZC399 04S R7G SOT23 6L U108 056G1133956 IC CAT24C02WI GT3 SO 8 U105 056G1133956 IC CAT24C02WI GT3 SO 8 U102 056G1133956 IC CAT24C02WI GT3 SO 8 U402 056G2233 11 IC Pm25LD020C SCE SIOC 8 150mil 2M Q401 057G 417517 Tra LMBT3906LT1G 200mA 40V SOT 23 LRC Q402 057G 417517 Tra LMBT3906LT1G 200mA 40V SOT 23 LRC Q603 057G 417517 Tra LMBT3906LT1G 200mA 40V ...

Page 62: ...P 10K 1 16W 5 TZAI YUAN R632 061G0402103 JT RST CHIP 10K 1 16W 5 TZAI YUAN R631 061G0402103 JT RST CHIP 10K 1 16W 5 TZAI YUAN R607 061G0402103 JT RST CHIP 10K 1 16W 5 TZAI YUAN R605 061G0402103 JT RST CHIP 10K 1 16W 5 TZAI YUAN R604 061G0402103 JT RST CHIP 10K 1 16W 5 TZAI YUAN R404 061G0402103 JT RST CHIP 10K 1 16W 5 TZAI YUAN R405 061G0402103 JT RST CHIP 10K 1 16W 5 TZAI YUAN R410 061G0402103 JT...

Page 63: ...YUAN R133 061G0402472 JT RST CHIP 4K7 1 16W 5 TZAI YUAN R132 061G0402472 JT RST CHIP 4K7 1 16W 5 TZAI YUAN R123 061G0402472 JT RST CHIP 4K7 1 16W 5 TZAI YUAN R122 061G0402472 JT RST CHIP 4K7 1 16W 5 TZAI YUAN R107 061G0402750 JT RST 0402 75R 5 1 16W R108 061G0402750 JT RST 0402 75R 5 1 16W R109 061G0402750 JT RST 0402 75R 5 1 16W R624 061G0402751 JT RST CHIP 750R 1 16W 5 TZAI YUAN R459 061G0402752...

Page 64: ...5K T CAP 0402 1UF 10 10V X5R C623 065G0402105A5K T CAP 0402 1UF 10 10V X5R C614 065G0402105A5K T CAP 0402 1UF 10 10V X5R C612 065G0402105A5K T CAP 0402 1UF 10 10V X5R C611 065G0402105A5K T CAP 0402 1UF 10 10V X5R C605 065G0402105A5K T CAP 0402 1UF 10 10V X5R C419 065G0402105A5K Y CAP 0402 1UF 10 10V X5R C112 065G040222031J A CAP 0402 22PF J 50V NPO C111 065G040222031J A CAP 0402 22PF J 50V NPO C61...

Page 65: ...410 071G 56K121 M CHIP BEAD 120OHM 6A MGLB2012 120T LF FB401 071G 56K121 M CHIP BEAD 120OHM 6A MGLB2012 120T LF FB402 071G 56K121 M CHIP BEAD 120OHM 6A MGLB2012 120T LF FB403 071G 56K121 M CHIP BEAD 120OHM 6A MGLB2012 120T LF FB404 071G 56K121 M CHIP BEAD 120OHM 6A MGLB2012 120T LF FB405 071G 56K121 M CHIP BEAD 120OHM 6A MGLB2012 120T LF FB406 071G 56K121 M CHIP BEAD 120OHM 6A MGLB2012 120T LF FB4...

Page 66: ...SS Y H40G 45762429A LABEL BD901 093G 50460515 BRIDGE KBP308G C 3A 800V KBP R002 061G0603000 FF RST CHIPR MAX0R01 1 10W FENGHUA R004 061G06031001FF RST CHIPR 1 KOHM 1 1 10W FENGHUA R003 061G06032001FF RST CHIP 2KOHM 1 1 10W FENGHUA R001 061G06032001FF RST CHIP 2KOHM 1 1 10W FENGHUA Q901 057G 667941 MOSFET P0765ATF 7 650 TO 220F HS1 090G6064 1 HEAT SINK 0M1G 930 8120 SCREW 3x8 HS3 090G6084 1 GP HEAT...

Page 67: ...CHIPR 0 2 OHM 1 1 4W R923 061G1206221 JT RST CHIPR 220 OHM 5 1 4W TZAI YUAN R900 061G1206624 JF RST CHIPR 620KOHM 5 1 4W FENGHUA R901 061G1206624 JF RST CHIPR 620KOHM 5 1 4W FENGHUA R902 061G1206624 JF RST CHIPR 620KOHM 5 1 4W FENGHUA R817 061G1206681 JT RST CHIPR 680 OHM 5 1 4W TZAI YUAN C812 065G080510131J F CAP CHIP 0805 100PF J 50V NPO C813 065G080510131J F CAP CHIP 0805 100PF J 50V NPO C923 0...

Page 68: ...1207T J801 095G 90 23 JUMPER WIRE J802 095G 90 23 JUMPER WIRE J803 095G 90 23 JUMPER WIRE J804 095G 90 23 JUMPER WIRE J805 095G 90 23 JUMPER WIRE J806 095G 90 23 JUMPER WIRE J807 095G 90 23 JUMPER WIRE J808 095G 90 23 JUMPER WIRE J809 095G 90 23 JUMPER WIRE J810 095G 90 23 JUMPER WIRE J811 095G 90 23 JUMPER WIRE J812 095G 90 23 JUMPER WIRE J813 095G 90 23 JUMPER WIRE J814 095G 90 23 JUMPER WIRE J8...

Page 69: ...69 J908 095G 90 23 JUMPER WIRE 709G4744 HA001 CONSUMPTIVE ASS Y 715G4744P01000001C POWER BOARD PCB D904 093G 6026T52T CTIFIER DIODE FR107 ...

Reviews:

No comments