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ViewSonic VX912-4 

Model No. VS10162 

19” Color TFT LCD 

Display 

 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 

(VX912-4_SM Rev. 1a Jun. 2006) 

ViewSonic 381 Brea Canyon Road, Walnut, California 91789 USA - (800) 888-8583

 

Service Manual 

Summary of Contents for VX912-4

Page 1: ...ViewSonic VX912 4 Model No VS10162 19 Color TFT LCD Display VX912 4_SM Rev 1a Jun 2006 ViewSonic 381 Brea Canyon Road Walnut California 91789 USA 800 888 8583 Service Manual ...

Page 2: ... expressed or implied with respect to the contents hereof and specifically disclaims any warranty of merchantability or fitness for any particular purpose Further ViewSonic reserves the right to revise this publication and to make changes from time to time in the contents hereof without obligation of ViewSonic to notify any person of such revision or changes Trademarks Opt quest is a registered tr...

Page 3: ...otices 1 2 Specification 4 3 Front Panel Function Control Description 9 4 Circuit Description 11 5 Adjustment Procedure 23 6 Troubleshooting Flow Chart 42 7 Recommended Spare Parts List 45 8 Exploded Diagram and Exploded Parts List 47 9 Block Diagram 50 10 Schematic Diagrams 51 11 PCB Layout Diagrams 58 ...

Page 4: ...K 4 1 Plug the AC cord directly into the AC outlet Do not use an isolation transformer during this check 4 2 Connect a 1500 ohm 10 watt resistor paralleled by a 0 15uF capacitor between each metallic part and a good earth ground 4 3 Use an AC voltmeter with 1000 ohm volt or more sensitivity and measure the AC voltage across the combination 1500 ohm resistor and 0 15uF capacitor 4 4 Move the resist...

Page 5: ...hods Only touch the metal frame of the panel or the front cover of the monitor Do not touch the surface of the polarizer Surface of the panel is pressed by fingers this may cause MURA Take out the monitor with cushion Take out the monitor by grasping the LCD panel That may cause MURA 2 ...

Page 6: ...Sonic Corporation Confidential Do Not Copy VX912 4 Correct Methods Incorrect Methods Place the monitor on a clean soft foam pad Place the monitor on foreign objects That could scratch the surface of panel 3 ...

Page 7: ...o Signals 1 Video RGB Analog Separate Composite and Sync on Green 2 TMDS Digital Video Impedance 75 Ohms Analog 100 Ohms Digital Maximum PC Video Signal 950 mV with no damage to monitor Maximum Mac Video Signal 1250 mV with no damage to monitor Sync Signals LVDS DDC 1 2B Compliant with Revision 1 3 Sync Compatibility Separate Sync Composite Sync SOG Video Compatibility Shall be compatible with all...

Page 8: ...ms 265VAC Audio interface SPEAKER SPECIFICATION Line input connection 3 5mm stereo jack Line input signal 1 3Vrms Line input impendence 10Kohm Maximum Power output 1W 5 distortion Signal to Noise Ratio 72dB Frequency response 200Hz 20K Distortion 5 THD 1K Vibration There should be no audio vibration with Volume at 100 and treble bass at default Screen image There should be no affect on the screen ...

Page 9: ...480 72Hz 37 9kHz Yes Yes 8 640 x 480 75Hz 37 5kHz Yes Yes 9 640 x 480 85Hz 43 27kHz Yes Yes 10 720 x 400 70Hz 31 5kHz Yes Yes 11 800 x 600 56Hz 35 1kHz Yes Yes 12 800 x 600 60Hz 37 9kHz Yes Yes 13 800 x 600 75Hz 46 9kHz Yes Yes 14 800 x 600 72Hz 48 1kHz Yes Yes 15 800 x 600 85Hz 53 7kHz Yes Yes 16 832 x 624 75Hz 49 7kHz Yes Yes 17 1024 x 768 60Hz 48 4kHz Yes Yes 18 1024 x 768 70Hz 56 5kHz Yes Yes ...

Page 10: ...n CT 6500K Contrast Max Brightness Max 300 cd m2 Typ after 30 minute warm up 240 cd m2 Min after 30 minute warm up Brightness Uniformity 70 min δW Max Luminance of 9 points Min Luminance of 9 points Contrast Ratio 700 1 typ 450 1 min Color Depth 16 2 million colors 6 bits 2 bits FRC Viewing Angle Horizontal CR 10 Typical 150 Minimum 130 CR 5 Typical 160 Minimum N A Viewing Angle Vertical CR 10 Typ...

Page 11: ...17 inch Height 370 mm 14 6 inch Depth 66 mm 2 6 inch Monitor Weight 5 3 Kg 11 7 lbs Ergonomics Tilt Up From 0º up to 20º Tilt Down From 0º down to 3º 5 º ENVIRONMENTAL z Operating Temperature 0 C to 40 C z Storage Temperature 20 C to 60 C z Operating Relative Humidity 20 to 90 RH Non Condensing z Storage Relative Humidity 5 to 90 RH Non Condensing z Operating Altitude 0 to 3 000 meters z Storage A...

Page 12: ...ViewSonic Corporation Confidential Do Not Copy VX912 4 3 Front Panel Function Control Description 9 ...

Page 13: ...m the graphics card in your computer See your graphic card s user guide for instructions on changing the resolution and refresh rate vertical frequency VESA 1280 x 1024 60 Hz recommended means that the resolution is 1280 x 1024 and the refresh rate is 60 Hertz Manual Image Adjust controls are explained below H Size Horizontal Size adjusts the width of the screen image NOTE Vertical size is automat...

Page 14: ...CONTRAST BRIGHTNESS COLOR ADJUST INFORMATION MANUAL IMAGE ADJUST SETUP MENU MEMORY RECALL 3 4 CONTRAST and BRIGHTNESS can be directly controlled with UP DN key 2 CONNECTORS 2 1 AC inlet CEE22 typed connector 2 2 Video signal connector 14P Mini D Sub PIN MNEMONI SIGNAL 1 RV Red Video 2 GV Green Video 3 BV Blue Video 4 NC None 5 GND Ground DDC return 6 RG Red GND 7 GG Green GND 8 BG Blue GND 9 5V 5V...

Page 15: ...90 240 Volts Power Frequency Input current 50 60 Hz 3Hz 1 5Arms 90Vac 0 75Arms 240Vac Inrush current 90A max at 230Vac Power consumption 50Watt Output Voltage 0 3 0A load 12Vdc 5 3 2 2 Power Management State Power Indicator On 40Watt Green Standby 1Watt Amber Off 1Watt 3 3 Acceptable timing If your timing is within following specification this LCD display can automatically function with a certain ...

Page 16: ... 3 4 1 Video Signal level This LCD display is adjusted at the factory using 0 7 Vp p Video signal 3 4 2 Sync Signal level H V Separate TTL level 3 4 3 Input impedance Video input 75 ohms Sync input 1 k ohms 4 SIGNAL CABLE Signal cable with Mini D Sub 15P connectors at both ends Length 1 8 meter ...

Page 17: ... 00 00 FD 00 32 4B 1E 52 0E 100 00 0A 20 20 20 20 20 20 00 00 110 00 FC 00 56 58 39 31 32 2D 33 120 0A 20 20 20 20 20 00 49 ______________________________________________________________________ 08 09 ID Manufacturer Name ________________ VSC 11 10 Product ID Code _____________________ D71C 12 15 Last 5 Digits of Serial Number ______ Not Used 16 Week of Manufacture _________________ 01 17 Year of ...

Page 18: ...VESA 36 ESTABLISHED TIMING II 800 X 600 72Hz VESA 800 X 600 75Hz VESA 832 X 624 75Hz Apple Mac II 1024 X 768 60Hz VESA 1024 X 768 70Hz VESA 1024 X 768 75Hz VESA 1280 X 1024 75Hz VESA 37 Manufacturer s Reserved Timing 1152 X 870 75Hz Apple Mac II 38 53 Standard Timing Identification 1280 X 1024 60Hz 1152 X 864 75Hz 1024 X 768 85Hz 800 X 600 85Hz 640 X 480 85Hz Not Used Not Used Not Used ___________...

Page 19: ...ital Separate Horizontal Polarity Vertical Polarity ______________________________________________________________________ 72 89 Detailed Timing Descriptor Block 2 Monitor Serial Number PZ8050100001 ______________________________________________________________________ 90 107 Detailed Timing Descriptor Block 3 Monitor Range Limits Min Vertical Freq 50 Hz Max Vertical Freq 85 Hz Min Horiz Freq 30 K...

Page 20: ...9 ______________________________________________________________________ 08 09 ID Manufacturer Name ________________ VSC 11 10 Product ID Code _____________________ D71C 12 15 Last 5 Digits of Serial Number ______ Not Used 16 Week of Manufacture _________________ 01 17 Year of Manufacture _________________ 2005 10 17 Complete Serial Number ______________ See Descriptor Block 18 EDID Version Number...

Page 21: ... 75Hz VESA 832 X 624 75Hz Apple Mac II 1024 X 768 60Hz VESA 1024 X 768 70Hz VESA 1024 X 768 75Hz VESA 1280 X 1024 75Hz VESA 37 Manufacturer s Reserved Timing 1152 X 870 75Hz Apple Mac II 38 53 Standard Timing Identification 1280 X 1024 60Hz 1152 X 864 75Hz 1024 X 768 85Hz 800 X 600 85Hz 640 X 480 85Hz Not Used Not Used Not Used ______________________________________________________________________...

Page 22: ...ital Separate Horizontal Polarity Vertical Polarity ______________________________________________________________________ 72 89 Detailed Timing Descriptor Block 2 Monitor Serial Number PZ8050100001 ______________________________________________________________________ 90 107 Detailed Timing Descriptor Block 3 Monitor Range Limits Min Vertical Freq 50 Hz Max Vertical Freq 85 Hz Min Horiz Freq 30 K...

Page 23: ...es all key IC functions required for LCD panel On chip functions include a high speed triple ADC PLL high scaling engine OSD controller a Clock Generation Crystal Input Clock TCLK and XTAL This is the input pair to an internal crystal oscillator and corresponding logic A 14 318 MHz crystal is recommended b Analog to Digital Converter The MST8131A chip has three ADC s analog to digital converters o...

Page 24: ...34063A U6 AIC1739 Q4 The MC34063A is a monolithic control IC containing the primary functions required for DC to DC converters The device consists of an internal temperature compensated reference comparator controlled duty cycle Oscillator with an active current sense circuit Desired output voltage are determined by the equation Volt 1 25 1 R67 R66 In this case the output voltage are 3 3 Volts The...

Page 25: ...tage 2 3 3 for on 0 1 for off Rated Output Strike on Voltage 1500Vrms Rated Output Voltage 912Vrms at 7mA Rate Output Frequency 40 50KHz Output Rated Ourput Current 7 8 mA 6 3 2 power This is a general purpose AC DC adapter which converter 90 240 Vac to a stabilized DC voltage 12 V with rated output current of 4 16A Electrical specification described as below Rated Input Voltage 90 240 Vac 50 60Hz...

Page 26: ...31 5kHz Yes Yes 5 640 x 480 67Hz 35 0kHz Yes Yes 6 640 x 480 72Hz 37 9kHz Yes Yes 7 640 x 480 75Hz 37 5kHz Yes Yes 8 640 x 480 85Hz 43 27kHz Yes Yes 9 720 x 400 70Hz 31 5kHz Yes Yes 10 800 x 600 56Hz 35 1kHz Yes Yes 11 800 x 600 60Hz 37 9kHz Yes Yes 12 800 x 600 75Hz 46 9kHz Yes Yes 13 800 x 600 72Hz 48 1kHz Yes Yes 14 800 x 600 85Hz 53 7kHz Yes Yes 15 832 x 624 75Hz 49 7kHz Yes Yes 16 1024 x 768 ...

Page 27: ...rated when brightness contrast is 100 Pattern 2 3 RGB color performance RGB color Check the color temperature of RGB signal color Pattern 3 4 5 4 Sub pixel defect RGB color Check the sub pixel defect Pattern 3 4 5 5 Full white Full white Check the brightness CR bright pixel defect Pattern 6 6 Full black Full black Pattern 7 7 5 cycle pattern 5 cycle pattern Check the BU Pattern 8 8 1 dot pattern 1...

Page 28: ...ViewSonic Corporation Confidential Do Not Copy VX912 4 25 Pattern 5 Pattern6 Pattern 7 Pattern 8 Pattern 9 ...

Page 29: ...ure When you received a received monitor please check whether the firmware version If not please following procedure to upgrade to the latest version 1 Equipment needed VX912 4 PC Personal computer LPT cable Fixture for LM5ISP Firmware upgrade program 2 Connection To PC To monitor ...

Page 30: ...ble ISP tooling Software If OS was Win2000 or WinXP please install PORT95NT exe In order to ensure can execute ISP program please set BIOS in PC or Notebook as Fig 0 0 Fig 0 0 0 1 Double click the PORT95NT exe in Windows install the program see Fig 0 1 Fig 0 1 ViewSonic Corporation Confidential Do Not Copy VX912 4 27 ...

Page 31: ... 2 Keep on press Next 4 times to go through the installation processes see Fig 0 2 Fig 0 2 0 3 Choose Typical then press Next see Fig 0 3 Fig 0 3 ViewSonic Corporation Confidential Do Not Copy VX912 4 28 ...

Page 32: ... on press Next 4 times to go through the installation processes see Fig 0 4 Fig 0 4 0 5 Install completed restart the PC or notebook See Fig 0 5 Fig 0 5 ViewSonic Corporation Confidential Do Not Copy VX912 4 29 ...

Page 33: ... Myson Century website www myson com tw 1 2 After extracting the ZIP file the total files list as Fig 1 0 and double click the file of setup exe to install Fig 1 0 1 3 Press Next button to continue see Fig 1 1 Fig 1 1 ViewSonic Corporation Confidential Do Not Copy VX912 4 30 ...

Page 34: ...press Change button for selecting the path that you want and then press Next button to continue see Fig 1 2 Fig 1 2 1 5 Press Install button to continue see Fig 1 3 Fig 1 3 ViewSonic Corporation Confidential Do Not Copy VX912 4 31 ...

Page 35: ...1 6 Installation has finished press Finish button see Fig 1 4 Fig 1 4 ViewSonic Corporation Confidential Do Not Copy VX912 4 32 ...

Page 36: ...ter installation we could find the shortcut in the setting path or the program bar default setting see Fig 2 1 Fig 2 1 2 2 Security file is a key to use ISP function press OK button see Fig 2 2 Fig 2 2 ViewSonic Corporation Confidential Do Not Copy VX912 4 33 ...

Page 37: ...P function fail it s limited by IIC protocol press OK button see Fig 2 3 Fig 2 3 2 4 Press Create Security File button to key in Security code Adjusting bar to decrease speed of IIC bus See Fig 2 4 Fig 2 4 Speed of IIC bus ViewSonic Corporation Confidential Do Not Copy VX912 4 34 ...

Page 38: ...it needs 2 command No and key in command sequentially for 7C 4C 77 The command No and command must be set by user while coding About the detailed of setting please refer to section 6 boot code of ISP Fig 2 5 ViewSonic Corporation Confidential Do Not Copy VX912 4 35 ...

Page 39: ...UTO item then press RUN button see fig3 1 Fig 3 1 3 2 If user change the MTV type it must load file again or the buffer of load file will be cleared 3 3 CRC cyclic redundancy check the host can check CRC register s result instead of reading every byte in flash Step 3 Step 1 Step 2 Step 4 ViewSonic Corporation Confidential Do Not Copy VX912 4 36 ...

Page 40: ...The message of Check MCU CRC OK means that the host verify OK for the progress of program see Fig 3 2 Fig 3 2 ViewSonic Corporation Confidential Do Not Copy VX912 4 37 ...

Page 41: ...or in EPE bag seal the with tape Figure 2 Figure 1 Figure 2 1 3 Put the cushion on the monitor Figure 3 1 4 Put the monitor into carton put all the accessories into the carton Then close the carton Figure 4 Figure 3 Figure 4 Power cord QSG ViewSonic Corporation Confidential Do Not Copy VX912 4 38 ...

Page 42: ... 2 2 Remove the stand back cover Figure 6 Figure 5 Figure 6 2 3 Remove the 4pcs of black hinge screw separate the stand head part Figure 7 2 4 Face down put the monitor on soft surface of desktop Figure 8 Figure 7 Figure 8 Screws Screws ViewSonic Corporation Confidential Do Not Copy VX912 4 39 ...

Page 43: ... Remove the screws which for fixed the B B pull the cable out from the connector on M B Figure 10 Figure 9 Figure 10 2 7 Remove the B B Figure 11 2 8 Remove the screws on PCB shield remove it Figure 12 Figure 11 Figure 12 Screws ViewSonic Corporation Confidential Do Not Copy VX912 4 40 ...

Page 44: ... Loosen the 4 screws on the sides of panel Figure 15 2 12 Remove the front bezel panel Figure 16 Figure 15 Figure 16 2 13 Remove the 4 hexagon screws beside the DVI D sub connector Figure 17 2 14 Remove the screws which fixed the power board Mainboard Figure 18 Figure 17 Figure 18 Screws ViewSonic Corporation Confidential Do Not Copy VX912 4 41 ...

Page 45: ...ViewSonic Corporation Confidential Do Not Copy VX912 4 42 6 Troubleshooting Flow Chart No Power ...

Page 46: ...ViewSonic Corporation Confidential Do Not Copy VX912 4 43 No Characters Missing Color ...

Page 47: ...ViewSonic Corporation Confidential Do Not Copy VX912 4 44 Always show NO SIGNEL ...

Page 48: ...ber plug 4 21 Documentation user guide VX912 4 L9VD H HGL9V023 R3A DC 00005433 HGL9V023017 user guide 1 22 5MS sticker VX912 4 L9VD H HCL9V022 REV3A DC 00005434 HCL9V022017 5MS sticker 1 23 Packing Material carton VX912 L9VD HFL9V005 REV3A P 00001432 HFL9V005018 carton 1 24 cushion END CAP R L9V HBL9V002 REV3A P FM 0602 0896 HBL9V001019 cushion 1 25 cushion END CAP L L9V HBL9V001 REV3A P FM 0602 0...

Page 49: ... MS 0808 9411 FBL70008014 LOCK METAL L70B FBL70008 REV3A GP 1 47 N A FAL9V003011 HINGE BKT L9VDQ 4 FAL9V003 REV3A GP 1 48 M SCW 0824 6895 MF40080IBJ1 SCREW F4 0 8 I NI GP 4 49 N A 26L9V0SA008 L9VDQ 4 STAND ASSY GP 1 50 C 00005372 37L9V0SU002 L9VDQ 4 STAND SUB ASSY GP 1 51 N A FAL9V006010 STAND BASE L9VDQ 4 FAL9V006 REV3A GP 1 52 N A FAL9V005013 HINGE L9VDQ 4 FAL9V005 REV3A GP 1 53 C BS 0303 0553 E...

Page 50: ...8 Exploded Diagram and Exploded Parts List ViewSonic Corporation Confidential Do Not Copy VX912 4 47 ...

Page 51: ...OOT L5M GAL5M002 REV3B 4 23 M SCW 0824 0813 MF30060BBJ6 SCREW F3 0 6 B NI 1 24 M CV 0830 2589 EAL9V005013 STAND BKT COVER L9V EAL9V005 REV3A 1 25 M MS 0808 9812 EBL9V001019 STAND COVER F L9V EBL9V001 REV3A 1 26 M BK 0805 0110 FBL9V005014 STAND BKT L9V FBL9V005 REV3A 4 27 C BS 0303 0553 EAL9V004017 STAND BASE L9V EAL9V004 REV3A 1 28 M MS 0808 9813 FBL9V006011 STAND PLATE L9V FBL9V006 REV3A 1 29 M S...

Page 52: ...VZHXVS40 VX912 4 unit 1 2 P FM 0602 0896 HBL9V001019 END CAP L 1 3 P FM 0602 0897 HBL9V002015 END CAP R 1 4 DC 00005433 HGL9V023017 CD QSG VX912 4 1 5 A PC 0106 0227 DM333181801 Power cord 3P 1 8M 1 6 P 00001432 HFL9V005018 CARTON VX912 1 7 M LB 0813 1042 HCL7V019011 Carton label 1 8 M MS 0808 9817 HAL9V002014 EPE bag 1 PACKING PART LIST VX912 4 ...

Page 53: ...V POWER 12V ANALOG RGB 19 Panel Backlight ADAPTOR Backight Control Inverter CPU MTV312V64 RST Keypad SCL SCL SDA SDA BRIGHTNESS 5V Switch Si2301DS RTD2523 Triple ADC Interface Clock GEN Host Interface Panel Interface EEPROM 24C16 Crystal 24 576MHz IRQ AR AG AB HSYNC VSYNC ON OFF CSZ DDC 24C02 DVI LVDS LVDS CLK CLK Panel Inverter control ISP 12V Crystal 11 059MHz ...

Page 54: ...2 4 51 3 3V AUDIO_MUTE 12V AIC1739 RSDS AND LVDS 2 5V POWER PC VGA LCDVCC 3 3V 3 3V 2 5V LCDPWR_ON12V INVCTRL 12V EEPROM 24LC16 SCALAR RTD2523 LCD PANEL 17 19 RSDS AND LVDS AC 90 264V BRIGHTNESS ANALOG RGB LCDPWR_ON3 3V DDC MICRO CONTROLLER MTV312 5 0V DVI AIC 1563 POWER INVERTER AND AUDIO BOARD 3 3V AUDIO_VOLUME 3 3V AIC1739 3 3V ...

Page 55: ...C22 0 047u 6 D20 Z5 6 NC 1 3 L10 0 6 R49 100 6NC D27 Z5 6 NC 1 3 C26 22P 6 R34 100 6 C18 0 047u 6 C30 0 1U 6 NC D9 DAN217K NC 2 1 3 R31 100 6 D24 Z5 6 NC 1 3 R33 100 6 L9 0 6 D28 Z5 6 NC 1 3 R45 2K 6 NC R46 100 6 NC C19 0 047u 6 R50 10K 6NC R26 100 6 L8 0 6 C31 1U 6NC CN4 DVI D NC 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 RX2 RX2 GND RX4 RX4 SCL SDA VS RX1 RX1 GND RX3 RX3 5V G...

Page 56: ...26 97 83 95 96 84 98 113 110 112 127 25 24 21 22 23 20 19 18 17 16 78 79 80 81 82 85 86 87 88 89 90 106 107 91 51 52 53 55 59 60 61 62 63 64 65 66 67 68 73 74 75 76 77 104 93 102 103 101 100 94 99 92 36 34 105 46 44 45 70 48 AR1N 2 5V Ground SDIO 0 SCLK SCSB RESET AHS AVS TCON 0 VCLK TMDS_TST PWM1 TMDS_GND TMDS_VDD EXT_RES TMDS_VDD RX2P RX2N TCON 1 V 7 TCON 7 V 4 ADC_GND ADC_VDD B B SOG ADC_TEST G...

Page 57: ...6V R39 4 7K 6 R87 33K 6 R80 2K 6 R40 4 7K 6 R115 4 7K 6 R81 2K 6 R100 1K 6 R89 33K 6 R165 NC 100K 6 U8 24LC16 1 2 3 4 5 6 7 8 A0 A1 A2 VSS SI SCK WP VCC Q12 2N3906 2 1 3 R101 1K 6 R90 33K 6 C103 NC 1U 16V R102 220 6 R91 33K 6 D32 NC 1N4148 R114 4 7K 6 R103 220 6 R110 4 7K 6 R106 NC 82K 6 C76 0 1U 6 R112 NC C85 0 1u 6 C75 0 1U 6 1 2 C81 0 1U 6 Y2 11 0592MHz C82 0 1U 6 R96 1K 6 R111 4 7K 6 D33 NC DA...

Page 58: ...DVCC C68 2200P 6 L22 FEB_1206 C70 100U 16V Q8 SI2301DS 3 1 2 C69 0 1U 6 R70 82K 6 C67 2200P 6 L21 NC R68 10K 6 Q9 DTC144EUA 2 3 1 R67 82K 6 C74 NC 100U 16V Q11 NC DTC144EUA 2 3 1 R75 NC 82K 6 C73 NC 0 1U 6 R77 NC 10K 6 C72 NC 2200P 6 C71 NC 2200P 6 R76 NC 10K 6 Q10 NC SI2301DS 3 1 2 L17 FEB_0805 NC L18 FEB_0805 NC J1 RSDS_CON30 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 2...

Page 59: ...96L NC 4 9 5 6 7 17 14 12 11 10 13 15 16 1 2 3 19 20 18 INL INR VAROUT_L VOLUME VAROUR_R OUTL OUTR MUTE STBY SVR GND VS VS GND GND GND GND GND GND C92 0 47U 8 NC C95 220P 6 NC R139 10K 6 NC R141 10K 6 NC L25 600 CX601T02001 NC 1 2 C97 330U 16V NC C89 1U 8 NC R140 10K 6 NC C91 330U 16V C96 220P 6 NC C98 0 1U 8 NC R130 10K 6 NC JP2 4606 04 04P R NC 1 2 3 4 R134 CX201209805 8 NC C99 330U 16V R132 100...

Page 60: ...Q2 MMST3906 3 2 1 C2 1u 6 R14 10K 6 NC EC1 10uF 16V R2 0 1206 U2 AIC1563 1 2 3 4 5 6 7 8 DC DE CF GND FB VCC IS BOOST C11 0 1U 6 R144 4 7K 6 Q3 MMST3906 Q4 SN7002E 3 2 1 C7 0 1u 6 C9 120p 6 EC4 330u 16V D3 RB081L 20 1 3 R6 330 6 1 D1 1SS355 R16 1K 6 C3 0 1u 6 C100 0 1u 6 R8 0 6 R9 1K 6 R4 47 6 U1 AIC1117CY 3 1 2 VIN GND VOUT L28 CX201209805 8 C5 0 1u 6 C102 1U 6 R18 4 7K 6 L29 FEB 1206 NC EC3 10uF...

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Page 71: ... Flow Chart 7 Recommended Spare Parts List 8 Exploded Diagram and Exploded Parts List 9 Block Diagrams 10 Schematic Diagrams 11 PCB Layout Diagrams B Are you satisfied with this Service Manual Item Excellent Good Fair Bad 1 Service Manual Content 2 Service Manual Layout 3 The form and listing C Do you have any other opinions or suggestions regarding this service manual Reader s basic dada Name Tit...

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