ViewSonic N2635w-1M Service Manual Download Page 72

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HDMI INPUT

HDMI EDID EEPROM

SIF INTERFACE

HDMI VIDEO INPUT

GPIO DEPEND-ON YOUR APPLICATION

WORKABLE IN NORMAL MODE ONLY

HDMIDDCSCL

HDMIDDCWP0

HDMIDDCSDA

HDMI_PLUGPWR

GPIO_8

PWR5V

CEC0

RXCB

RXC

RX2

RX2B

RX1B
RX0

RX0B

RX1

HDMICAB0

GPIO_2

HDMIDDCSCL
HDMIDDCSDA

HDMI_PLUGPWR

OSDA1

AGND_HDMI

OSCL1

GPIO_2

AV33

+5V

RXC
RXCB

RX0B

RX0

RX1B

RX1

RX2B

RX2

PWR5V

GPIO_8

RX2

RX2B

RX1B

RX1

RX0

RX0B

RXCB

RXC

OSDA1

OSCL1

HDMIDDCSCL

HDMIDDCSDA

GPIO_76

GPIO_80

GPIO_132

GPIO_81

GPIO_131

GPIO_84

GPIO_82

GPIO_78

GPIO_75

GPIO_77

GPIO_83

GPIO_79

GPIO_133

GPIO_130

GPIO_131

GPIO_[71..84]

GPIO_132
GPIO_133

GPIO_130

+5VSB

OSDA1

AGND_HDMI

2,3,4,5,6,7,8,9,11,12,13,14

OSCL1

GPIO_2

AV33

2,5

+5V

2,6,11,13

RXC

RXCB

RX0B

RX0

RX1B

RX1

RX2B

RX2

PWR5V

GPIO_8

4,9

GPIO_[71..84]

4,14

GPIO_131

GPIO_132

GPIO_133

GPIO_130

+5VSB

2,9,12,13,14

AV33

HDMI_PLUGPWR

AV33

+5VSB

TP74
GPIO_79

D135

NC(DIODE EGA-0603)

TP67

R286
NC(100K)

R0603

C430
0.1uF

C0603

TP79
GPIO_82

TP75
GPIO_132

R289
NC

R0603

R282
20K

R0603

D131

NC(DIODE EGA-0603)

TP71
GPIO_130

R285
1K

R0603

TP70
GPIO_77

R283
33

R0603

R287
47K

R0603

D134

NC(DIODE EGA-0603)

Q110
2N3904

SOT-23

TP80
GPIO_83

R291

R0603

TP77
GPIO_133

R288
47K

R0603

D130

NC(DIODE EGA-0603)

D139

NC(DIODE EGA-0603)

P110

HDMI19P

HDMI TYPE-A

1
2
3
4
5
6
7
8
9

10
11
12
13
14
15
16
17
18
19

I123

EEPROM 24C02

SO08

1
2
3
4

NC
NC
NC
GND

SDA

SCL

VCC

R292
0

R0603

TP68
GPIO_75

R279

100

R0603

Q111
NC(2SK2158)

SOT-23

D133

NC(DIODE EGA-0603)

TP76
GPIO_80

TP73
GPIO_131

D138

1N4148

TP72
GPIO_78

R280

100

R0603

D136

NC(DIODE EGA-0603)

TP66

R290
NC

R0603

TP81
GPIO_84

D140
NC(DIODE EGA-0603)

D132

NC(DIODE EGA-0603)

D129

NC(DIODE EGA-0603)

R281
1K

R0603

TP78
GPIO_81

D137
1N4148

Q112
NC(2SK2158)

SOT-23

TP69
GPIO_76

R284
NC(10K)

R0603

ViewSonic Corporation

Confidential - Do Not Copy

35w-1M

Summary of Contents for N2635w-1M

Page 1: ...Service Manual ViewSonic N2635w 1M Model No VS11769 1M 26 LCD TV N2635w 1M_SM Rev 1a Jul 2007 ViewSonic 381 Brea Canyon Road Walnut California 91789 USA 800 888 8583 ...

Page 2: ...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 Optiquest is a registered trademark of ViewSonic Corporation ViewSonic is a registered trademark of ViewSonic Corporation Revision History Revision SM Editing D...

Page 3: ...ircuit Description 23 5 Adjustment Procedure 27 6 Trouble Shooting Flow Chart 56 7 Block Diagram 60 8 Schematic Diagrams 61 9 PCB Layout Diagrams 74 10 Exploded View And Exploded Parts List 82 11 Recommend Spare Parts List 85 ViewSonic Corporation Confidential Do Not Copy N2635w 1M ii 2 Specification 3 ...

Page 4: ... input connector 3 Wipe off water drop immediately Long contact with water may cause discoloration or spots 4 When the panel surface is soiled wipe it with absorbent cotton or other soft cloth 5 Since the panel is made of glass it may break or crack if dropped or bumped on hard surface 6 Since CMOS LSI is used in this module take care of static electricity and insure human earth when handling 7 Do...

Page 5: ...or Do not touch the surface of the polarizer Surface of the LCD panel is pressed by fingers and that may cause Mura Take out the monitor with cushions Taking out the monitor by grasping the LCD panel That may cause Mura Place the monitor on a clean and soft foam pad Placing the monitor on foreign objects That could scratch the surface of the panel or cause Mura ViewSonic Corporation Confidential D...

Page 6: ...ion Yes Parental Control Yes Default 0000 Power Cord s Black 1 8M Quick Setup Guide Graphical Instruction User s Guide printed English default French Spanish Remote Control English Numerous components are used for making this product It is the integrator s responsibility to integrate these components into this complete product It must meet the following specification Quality assurance testing shal...

Page 7: ... adjustment b No image drift or lose fine tune settings due to panel temperature change Panel Acceptance Spec Refer to the panel acceptance criteria specification Note Intermittent and or Display Pattern defects which result in further bright or dark dots will be counted individually against the above specification Note Also refer to the panel defect acceptance specification Panel performance char...

Page 8: ...roduct shall be provided by Yamaha with a Model Number of YDA138 MTK MT5730 for N2635w M shall be used as sound processor In addition a pair of speakers shall be integrated within this product The audio signals of this product shall comply with the specification listed in the following table Parameter Specification Tuner Input Base band Input Power Output Max Rating 10W at 10 T H D Distortion 10W ...

Page 9: ...er Excluding Power Supply Fan Audible shall be defined in accordance with ISO 7779 DIN EN27779 1991 Power Switch noise shall be Excluded 12 Efficiency 80 full load nominal line 13 Leakage Current 0 5mA 240VAC 14 Power Saving DPMS N A 15 Recovery Time 3 sec 16 Power Factor Correction Compliant with EN61000 3 2 5 Firmware OSD The product firmware of VS11769 1M shall have a firmware version of V P01 ...

Page 10: ...bright and User Sound Reverb Sound effect selections on Concert Living Room Hall Bathroom Cave Arena Church and Off the effect TV CATV Swap Air TV and Cable TV Swap to TV when in other source MTS Selection on Mono Stereo and Sap sound Sleep Set TV Power off time Info Display current source input information Mute Mute On or Off sound 0 9 Direct channel key number Return Return to last channel Guide...

Page 11: ...anship shall be inspected according to ViewSonic Molded Plastic Parts Specification VSCMPPSPEC001V1 2 Screen Printed Parts Bird Logo Recess Artwork shall be provided and confirmed by ViewSonic Rear Label A label identifying the product name model serial number and FCC ID Logo shall be placed into the rear label recess located on the rear panel of the chassis Wall Mount 200 100 mm x 100mm VESA high...

Page 12: ...are trademarks of Dolby Laboratories Only for DTV input in this model Volume Down Decrease sound volume or adjust a highlighted control while in OSD menu Volume Up Increase sound volume or adjust a highlighted control while in OSD menu Menu Turn OSD menu ON OFF CH Down Channel down when source is TV or select a control while in OSD menu CH Up Channel up when source is TV or select a control while ...

Page 13: ...o output connectors of your A V device Composite Video input Connect this port to the composite video output of A V device S Video input Connect this port to the S Video output of A V device YPbPr signal input Connect this port to the YPbPr output of A V device PC Audio input Connect this port to PC line out jack VGA signal input Connect this port to the VGA output of your PC Headphone Jack Connec...

Page 14: ...Remote Control ViewSonic Corporation Confidential Do Not Copy N2635w 1M 11 ...

Page 15: ...hannels 10 UP DOWN LEFT RIGHT ENTER button UP DOWN for OSD function select and LEFT RIGHT for function adjust ENTER Enter the function setting 11 INPUT Input source select 12 MUTE Volume mute ON OFF 13 TV CATV Swap between TV CATV 14 PICTURE Select picture modes 15 RETURN Return to previous channel 16 CH and CH Adjust Channel UP DOWN 17 FAV CH Select from preset Favorite Channels 18 MENU On Screen...

Page 16: ...o adjust contrast of video right Max left Min Color To adjust color right brilliant color left pale color Tint To adjust tint level right greenish tone left reddish tone Sharpness To adjust picture sharpness right sharper left softer ADVANCED OPERATION OSD MENU OSD Functions In VGA source Note When in AV S Video YPbPr or HDMI source the TV option on the left does not appear ViewSonic Corporation C...

Page 17: ...Press ENTER to auto adjust picture s horizontal position vertical position ﬁne tune and H Size VGA Press ENTER to adjust VGA setting H Position To adjust the horizontal position of the picture V Position To adjust the vertical position of the picture Phase To adjust delay time of phase in order to reduce the noise of picture Clock To adjust delay time of clock in order to reduce the noise of pictu...

Page 18: ...rch Equalizer To select equalizer modes from Rock POP Live Dance Techno Classic Soft SPDIF Type To select SPDIF Type from Dolby Digital PCM or Off Auto Volume control To turn On or Off Auto Volume control This function is only effective in TV source TV Menu To set up for TV It is only active in TV source Tuner Mode To select Cable or Air as the TV source Select Cable if you want to watch Cable TV ...

Page 19: ...s Press MENU again at any time to interrupt scanning MTS To select audio mode from Mono Stereo or SAP when available Audio Language To select audio language from English Spanish or French Setup Menu To set up OSD window In TV AV S Video YPbPr HDMI source Note When in AV S Video YPbPr or HDMI source the TV option on the left does not appear ViewSonic Corporation Confidential Do Not Copy N2635w 1M 1...

Page 20: ...e time zone appropriate to your location Time To set the current time Auto Synchronization When Auto Synchronization is enabled the date and time will be automatically synchronized according to the program content Timer To set power on and power off time Sleep Timer To set the off timer from 10 120 minutes Auto Sleep To set the off timer for longer intervals 1 hour 2 hours or 5 hours ViewSonic Cor...

Page 21: ...ted use to select the desired controls to adjust detailed settings Font Size To select a font size from Large Small or Medium Font Color To select a font color from Black White Green Blue Red Cyan Yellow or Magenta Font Opacity To select font opacity from Solid Translucent or Transparent Background Color To select background color Background Opacity To select background opacity Window Color To sel...

Page 22: ...PbPr HDMI or VGA source the TV option on the left does not appear Enter password and the screen below will show The default password is 0000 Channel Block To block channels Use to select the channel you want to block and then press ENTER to block or unblock it ViewSonic Corporation Confidential Do Not Copy N2635w 1M 19 ...

Page 23: ... 13 R NC 17 or X The TV Ratings in the US are deﬁned as following Use ENTER button to block or unblock the ratings and use MENU to exit TV Y All children TV PG Parental guidance suggested TV Y7 Directed to older children this program is designed for children age 7 and above TV 14 Parents strongly cautioned this program contains some material that is unsuitable for children under 14 years of age TV...

Page 24: ...ed To block unrated movie or TV programs The movie Ratings in the US are deﬁned as following Use ENTER button to block or unblock the ratings and use MENU to exit G General audience R Restricted PG Parental guidance suggested NC 17 No one 17 and under limited PG 13 Parents strongly cautioned X Adult audience only C Children PG Parental guidance C8 Children eight years and older 14 Viewers 14 years...

Page 25: ...en appears Enter the new password from the remote control and then enter the new password again to conﬁrm Note Please make sure you remember your new password after changing because you cannot recall the default setting of the password by any selection Clear All To clear all the locks set before press ENTER and then select OK to conﬁrm Notes Initial password 0000 If you forget your initial passwor...

Page 26: ...als After ADC all signal processing is digital domain The source select multiplex all inputs from digital and analog video ports and route them into Main data path B 3D comb filter Video Decoder Deinterlacer and Scaling controller MT5371 includes 3D comb filter TV decoder to retrieve the best image from popular composite signals Embedded HDTV VGA decoders let the high bandwidth input signals perfe...

Page 27: ...e power level of the digitized sequence and feeds the control voltages back to the RF tuner and the IF amplifier respectively The control voltages are converted to analog signals through the on chip 1 bit sigma delta D A converters plus the off chip R C low pass filters The automatic gain control keeps the received power level at a desired level and maximizes the received SNR The MT5371 includes a...

Page 28: ... MT5112 The MT5371 receives bitstream input in TS format and then separates the TS into audio and video PES analyzing the PES header and transferring the PES to the audio and video decoders The MT8291 is a highly integrated stereo audio CODEC The MT8291 performs stereo analog to digital and two digital to analog conversions with single ended analog voltage input and output It s up to 24 bit serial...

Page 29: ...hannel on a 6 ohm load speaker when using a 12V power supply operation PC DVI Audio mini jack AV SV Audio RCAR L MT8291 Audio Codec YPbPr Audio RCAR L MT5371 I2S YDA138 Audio Amp Speaker HeadPhone I2S ATSC NTSC Combo Tuner MT5112 SIF TS CVBS ViewSonic Corporation Confidential Do Not Copy N2635w 1M 26 ...

Page 30: ...NTER The act of EEPROM INITIAL is completed when EEPROM INIT disappeared 1 4 2 COLOR TEMPERATURE ADJUSTING PC MODE A Timing 1360 768 60Hz B Pattern 16 grey scale C LCD TV should be run in and warmed up for at least 30 minutes D Make sure the distance between SENOR of the CA110 and the LCD TV is about 20cm E Color Temperature adjusting 1 Fig 1 under the picture 16 grey scale of VGA source select WH...

Page 31: ...DTV S signal and check B Input USA air channel TABLE 1 and USA CATV channel for TV channel C Under YPbPr MODE Make sure the 408i 480P 720P 1080i is right 1 4 9 AUDIO FUNCTION TEST A Audio input includes PC AUDIO IN S VIDEO AV AUDIO IN and YPbPr AUDIO IN B Under PC MODE input PC AUDIO signal checks whether the action of AUDIO IN is right C Under S VIDEO AV MODE input L R AUDIO signal checks whether...

Page 32: ...5 589 75 595 75 601 75 607 75 613 75 619 75 625 75 631 75 637 75 643 75 101 00 107 00 113 00 123 00 129 00 221 00 227 00 233 00 239 00 245 00 251 00 257 00 517 00 523 00 529 00 535 00 541 00 547 00 553 00 559 00 565 00 571 00 577 00 583 00 589 00 595 00 601 00 607 00 613 00 619 00 625 00 631 00 637 00 643 00 649 00 655 00 661 00 667 00 673 00 679 00 685 00 43 44 45 46 47 48 49 50 51 52 53 54 55 56...

Page 33: ...7 00 263 00 269 00 275 00 281 00 287 00 293 00 299 00 305 00 311 00 317 00 323 00 329 00 335 00 341 00 347 00 353 00 359 00 365 00 371 00 377 00 383 00 389 00 395 00 JJ KK LL MM NN OO PP QQ RR SS TT UU VV WW AAA BBB CCC DDD EEE 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 77 78 79 80 81 82 83 84 85 86 87 88 89 90 91 92 93 94 354 360 360 366 366 372 3...

Page 34: ...der LEVEL 60dBu regards as normally PRODUCTS OUTPUT CHECK ITEM A The same as CENTRALISM TRANSMITTING SIGNAL CHECK CONTENT B saturation TEST inputs the TV signal the input signal LEVEL establishment most greatly is 90dBu check whether CONTRAST of the image is normal Whether appears the disturbance phenomenon C AFT CHECK 1 The frequency of the input TV signal is 211 25MHz CH13 after confirmed the TV...

Page 35: ...s 0 106ms 0 064ms V Border 0 254ms 0 000ms 0 000ms 0 000ms H V Sync Interlace No No No No ITEM 5 6 7 8 TIMING 1024 768 60HZ 1024 768 75HZ 1280 720 60HZ 1280 768 60HZ Pixel Rate 65 000MHZ 78 750MHZ 74 250MHZ 65 000MHZ H TOTAL 20 677us 16 660us 22 222us 20 677us H DISPLAY 15 754us 13 003us 17 239us 15 754us H B Porch 2 462us 2 235us 2 936us 2 462us H Width 2 092us 1 219us 1 007us 2 092us H Border 0 ...

Page 36: ... 959us 15 630us H DISPLAY 15 906us 11 852us H B Porch 2 994us 2 296us H Width 1 310us 1 037us H Border 0 000us 0 000us V TOTAL 16 662ms 16 661ms V DISPLAY 16 097ms 16 005ms V B Porch 0 377ms 0 594ms Vs Width 0 126ms 0 047ms V Border 0 00ms 0 00ms H V Sync Interlace No No ViewSonic Corporation Confidential Do Not Copy N2635w 1M 33 ...

Page 37: ... conform to the LCD TV you have to do the DDC key in 2 1 Equipment Needed N2635WM LCD TV DDC Card PC RS 232 cable Barcode Reader VGA Cable N2635WM LCD TV DDC Card PC RS 232 Cable VGA Cable Barcode Reader 2 2 Setup Procedure 2 2 1 Connect VGA Card and DDC Card with RS 232 cable ViewSonic Corporation Confidential Do Not Copy N2635w 1M 34 ...

Page 38: ...Cable when key in DVI DDC information use VGA transform to DVI port 2 2 4 Connect Power Cord to N2635WM LCD TV 2 2 5 Press MENU and ENTER at the same time then go into the BURN IN MODE 2 3 DDC Key In Procedure 2 3 1 run DDC exe 2 3 2 Choose model number the ViewSonic Corporation Confidential Do Not Copy N2635w 1M 35 ...

Page 39: ...2 3 3 Press ENTER key 2 3 4 Press F4 key ViewSonic Corporation Confidential Do Not Copy N2635w 1M 36 ...

Page 40: ...2 3 5 Input bar code 2 3 56Press ENTER key then the successful picture is as follows DDC DOWNLOED OK 2 3 6 Exit program ViewSonic Corporation Confidential Do Not Copy N2635w 1M 37 ...

Page 41: ... the different EDID into each HDMI connector 3 1 Equipment Needed N2635WM LCD TV PC RS 232 cable Barcode Reader HDMI Cable N2635WM LCD TV PC RS 232 Cable HDMI Cable Barcode Reader 3 2 Setup Procedure 3 2 1 Connect HDMI Card and DDC Card with RS 232 cable ViewSonic Corporation Confidential Do Not Copy N2635w 1M 38 ...

Page 42: ...C keyboard port 3 2 3 Connect DDC Card and N2635WM LCD TV with HDMI Cable 3 2 4 Connect Power Cord to N2635WM LCD TV 3 3 DDC Key In Procedure 3 3 1 Run DDC exe 3 3 2 Choose model number then ViewSonic Corporation Confidential Do Not Copy N2635w 1M 39 ...

Page 43: ...3 3 3 Press ENTER key 3 3 4 Press F4 key ViewSonic Corporation Confidential Do Not Copy N2635w 1M 40 ...

Page 44: ...3 3 5 Input bar code 3 3 6 Press ENTER key then the successful picture is as follows DDC DOWNLOED OK 3 3 7 Exit program ViewSonic Corporation Confidential Do Not Copy N2635w 1M 41 ...

Page 45: ...g the program execution N2635WM ISP FIXTURE PC 4 2 Installing the USB device driver The USB driver will be upgraded if necessary PL 2303 Driver Installer exe 4 3 Insert the USB to RS232 Download Board to PC s USB port Then you can found the USB Device detected and follow Windows comments to finish the Driver install 4 4 Execute the Mtktool to start download the file The Mtktool program will be upg...

Page 46: ...4 5 2 Select COM port Depends on the COM port assigned in System Device Manager Refer below right 4 5 3 Select Baud Rate 115200x 8 Suggestion ViewSonic Corporation Confidential Do Not Copy N2635w 1M 43 ...

Page 47: ...4 5 4 Enable the USB Bridge 4 5 5 Browsing the File to download ViewSonic Corporation Confidential Do Not Copy N2635w 1M 44 ...

Page 48: ...n your platform and Mtktool 2 You can slow down the baud rate if some Flash memory can not works properly in high speed download 3 Please call the Media Tek contact window if any problem found like unsupported Flash Type or fail to download ViewSonic Corporation Confidential Do Not Copy N2635w 1M 45 ...

Page 49: ...bag and seal the bag Figure 2 1 3 Put the cushions on the LCD TV and put all the accessories into the carton Figure 3 1 4 Place the LCD TV into the carton At last close the carton and seal it with tape Figure 4 Figure 4 Figure 3 Figure 1 Figure 2 1 Power Cord 2 User s Guide 3 Remote contrl 4 Guarant Card 5 Battery ViewSonic Corporation Confidential Do Not Copy N2635w 1M 46 ...

Page 50: ...00P POLYFOAM ACCESSORIES BOX 1 6 P 00008078 2013228805P POLYETHY BAG 1 7 N A 2438501282P CD OWNER GUIDE 1 8 N A 2002310674P GUARANT CARD 1 9 A 00005362 2427130046P AC POWER CORD 1 10 P 00004497 2011100017P CARTON BOX 1 11 P 00008511 2011127048P CARTON BOX 1 12 N A 2055632270P LABEL 1 13 A 00008045 2005100500P BATTERY 2 14 A 00008158 2419200151P REMOTE CONTRL 1 PACKING PART LIST N2635w 1 ViewSonic ...

Page 51: ... move Stand Unit 2 Disassembly of Rear Cover 2 1 Unscrew 6 screws in the Rear Cover 2 2 Prize the rectangle hole on Rear Cover Fig 1 with a screwdriver Fig 2 to make the Rear Cover detach from the LCD TV Stand Fig 1 Fig 2 ViewSonic Corporation Confidential Do Not Copy N2635w 1M 48 ...

Page 52: ...Rear Cover ViewSonic Corporation Confidential Do Not Copy N2635w 1M 49 ...

Page 53: ... Main Board Power Board Front Cover and Panel Unit 3 1 Unscrew 2 screws to remove Bracket fix 3 2 Unscrew 2 screws to move Bracket Fix Bracket fix Bracket Fix ViewSonic Corporation Confidential Do Not Copy N2635w 1M 50 ...

Page 54: ...3 3 Unscrew screws 4 to move Power Board and to move Switch PCB 3 4 Unscrew screws 10 to move Front Cover Front Cover Power Board Switch PCB ViewSonic Corporation Confidential Do Not Copy N2635w 1M 51 ...

Page 55: ...3 5 Unscrew screws 10 to move Shield Plate 3 6 Unscrew 3 screws to remove dust cover Shield Plate Dust Cover ViewSonic Corporation Confidential Do Not Copy N2635w 1M 52 ...

Page 56: ...ove METAL FITTG I O Down and METAL FITTG I O Side 3 8 Unscrew 4 screws and disconnect the wires to remove Main Board METAL FITTG I O Down METAL FITTG I O Side Main Board ViewSonic Corporation Confidential Do Not Copy N2635w 1M 53 ...

Page 57: ...3 9 Unscrew 4 screws and disconnect the wires to remove Power Board 3 10 Unscrew screws 4 to move Panel Bracket Power Board Panel Bracket ViewSonic Corporation Confidential Do Not Copy N2635w 1M 54 ...

Page 58: ...3 11 Unscrew screws 4 to move Bracket Fix and to move Panel Unit Panel Unit Bracket Fix ViewSonic Corporation Confidential Do Not Copy N2635w 1M 55 ...

Page 59: ...O NO YES YES YES Check P101 5V 12V Check Wire Connection on power module is OK Check 3 3V is on C115 Replace I103 Check IR Board Check X102 is OK Replace I116 I118 YES Connect the wire NO Replace X102 Replace IR Board NO ViewSonic Corporation Confidential Do Not Copy N2635w 1M 56 ...

Page 60: ...tput signal Check Wire Connection on power module is OK TV NO Check I116 I2S signal output to I124 Replace I116 Check Speaker Wire YES Replace I114 YES Replace I124 NO AV S VIDEO YPbPr ViewSonic Corporation Confidential Do Not Copy N2635w 1M 57 ...

Page 61: ...ower module to panel is OK YES YES YES YES YES Replace I114 Replace C178 R140 C177 Replace I116 Replace LVDS Wire Replace Inverter Wire NO NO NO NO NO YPbPr Check L138 R223 R222 C393 R224 C394 is OK Replace L138 R223 R222 C393 R224 C394 NO S VIDEO Check L142 R238 R239 C405 is OK Replace L142 R238 R239 C405 NO AV Check L141 R235 R236 C403 is OK Replace L141 R235 R236 C403 NO YES YES YES ViewSonic C...

Page 62: ...ble is well connected Connect the cable HDMI Check I123 is defective NO Replace I123 Check I116 has output signal at Pin9 10 13 14 17 18 21 22 25 26 of P113 NO Replace I116 YES Check the LVDS wire from P113 to panel is OK NO Replace LVDS Wire Check inverter wire from power module to panel is OK NO Replace Inverter Wire Replace Panel YES YES YES YES ViewSonic Corporation Confidential Do Not Copy N2...

Page 63: ...deo YPbPr AV SV Audio RCAR L PC DVI Audio mini jack YPbPr Audio RCAR L DDR SDRAM Flash VGA D Sub HDMI Connector MT511x Demod ATSC NTSC Combo Tuner DDR SDRAM Speaker SPDIF Optical HDCP System EEPROM I2S HeadPhone CVBS SIF I2S ViewSonic Corporation Confidential Do Not Copy N2635w 1M 60 ...

Page 64: ...603 C125 0 1uF C0603 C494 470uF 16V LowESR CE050100 C148 220uF 50V CE050100 C112 0 1uF C0603 R123 182 1 R0603 C106 0 1uF C0603 C169 0 1uF C0603 C133 0 1uF C0603 R113 182 1 R0603 C149 0 1uF C0603 R104 1 21K 1 R0603 R117 NC 750 R0603 C160 0 1uF C0603 C124 0 1uF C0603 R102 NC R0603 C120 220uF 16V CE050080 C151 220uF 16V CE050080 D101 SR36 1 2 R114 10K R0603 R115 110 1 R0603 C144 0 1uF C0603 P101 CON1...

Page 65: ...A4 DVDD33 DGND33 TS_DATA3 TS_DATA2 DVDD18 DGND18 TS_DATA1 TS_DATA0 TS_SYNC DVDD33 DGND33 TS_CLK TS_VAL TS_ERR DVDD18 DGND18 DVDD33 DGND33 HOST_DATA DVDD18 DGND18 HOST_CLK RESET_ GPIO1 P1 1 NC DVDD18 DGND18 RF_AGC IF_AGC DGND33 DVDD33 TUNER_CLK TUNER_DATA SA1 SA0 DGND18 DVDD18 DGND18 ANT_TX POUT3 1 DGND33 DVDD33 ANT_RX PIN3 0 ANT_DET PIN3 1 GPIO3 P1 3 DGND18 DVDD18 GPIO2 P1 2 NC DVDD33 DGND33 AVSS2...

Page 66: ...3 R4 T1 T2 T3 T4 U1 U2 U3 U4 V1 V2 V3 V4 W1 W2 W3 W4 Y1 Y2 Y3 Y4 AA1 AA2 AA3 AA4 AB1 AB2 AB3 AB4 AC1 B12 C12 D12 A13 B13 C13 D13 A14 B14 C14 D14 A15 B15 C15 D15 A16 B16 C16 D16 D23 A17 B17 C17 D17 A18 B18 C18 D18 A19 B19 C19 D19 A20 B20 C20 D20 A21 B21 C21 D21 A22 B22 C22 D22 A23 B23 C23 D24 A24 B24 D25 C24 A25 A26 A27 A28 B25 B26 B27 B28 C25 D28 A29 A30 C28 E28 B29 B30 C27 E27 C29 C30 D27 C26 D29...

Page 67: ... 6 7 8 9 10 11 12 13 14 PVCC 4 EXT_RES 4 RESTUP 4 RESTDN 4 MEM_VREF 7 RVREF 4 AV12 AV33 AV12 AV12 DV33SB DV33SB DV33SB DV33 DV26_DDR DV12 DV26_DDR AV33 AV33 AV12 AV33 AV33 AV15 AV33 DV33SB AV15 L128 FB 120R 3A L0603 TP62 C274 0 1uF C0603 C254 10uF 10v Y5V C0805 C227 0 1uF C0603 R158 NC 50 R0603 C259 0 1uF C0603 C253 0 1uF C0603 C234 4 7uF 16V Y5V C0805 C231 0 1uF C0603 C272 0 1uF C0603 C281 0 1uF ...

Page 68: ...3 R187 100 R0603 X102 27MHz C505 NC CE025063 L137 FB 120R 3A L0603 R189 4 7K R0603 R173 10K R0603 R185 100 R0603 R184 33 R0603 C504 470uF 16V LowESR CE050080 X103 NC VCXO 27MHz VCXO7X5 1 2 3 4 5 6 CVIN TRI STATE GND OUT NC VDD C296 10uF 50V CE025050 C303 NC 47pF C0603 R165 10K R0603 C297 27pF C0603 C304 NC 10nF C0603 P103 S PDIF OUT 1 2 3 4 5 6 VCC IN GND NC NC NC R182 4 7K R0603 Q107 2N3904 SOT 2...

Page 69: ...603 R221 100K 1 R0603 C354 0 1uF C0603 C383 0 1uF C0603 RN16 75x4 RN8P4R I 1 8 2 7 3 6 4 5 C340 0 1uF C0603 R218 22 1 1 R0603 C335 47uF 16V CE025050 R203 22 1 1 R0603 C324 0 1uF C0603 RN07 47x4 RN8P4R I 1 8 2 7 3 6 4 5 C376 0 1uF C0603 C334 220uF 16V CE050080 RN15 47x4 RN8P4R I 1 8 2 7 3 6 4 5 R212 75 1 R0603 C378 0 1uF C0603 C389 0 1uF C0603 C364 220uF 16V CE050080 C349 0 1uF C0603 C323 0 1uF C06...

Page 70: ... NC EZJZ0V800AA 1 2 D108 NC EZJZ0V800AA 1 2 R247 10K R0603 C399 10nF C0603 R238 0 R0603 L C P106 S Terminal minidin8 5 3 8 6 2 1 7 4 9 R225 75 1 R0603 R248 0 R0603 C407 47nF C0603 C411 1nF C0603 C396 10nF C0603 R237 75 1 R0603 D109 NC EZJZ0V800AA 1 2 L142 FB 60R 300mA L0603 L138 FB 80R 300mA L0603 R239 100 R0603 D114 NC EZJZ0V800AA 1 2 R227 0 R0603 R241 0 R0603 D116 NC EZJZ0V800AA 1 2 C393 1nF C06...

Page 71: ...C0603 R278 NC 10K R0603 C414 10nF C0603 R408 0 R0603 R255 0 R0603 R253 0 R0603 C427 NC 100pF C0603 D125 5 6V 1 2 R274 22 R0603 D123 NC EZJZ0V800AA 1 2 C417 10nF C0603 R260 75 1 R0603 L146 FB 80R 300mA L0603 R350 100 R0603 C424 1nF C0603 C420 10nF C0603 R263 0 R0603 C419 10nF C0603 D122 1N4148 D120 NC EZJZ0V800AA 1 2 D128 1N4148 R277 33 R0603 R412 1K R0603 C429 0 1uF C0603 R258 0 R0603 R254 75 1 R0...

Page 72: ...3 AV33 HDMI_PLUGPWR AV33 5VSB TP74 GPIO_79 D135 NC DIODE EGA 0603 1 2 TP67 R286 NC 100K R0603 C430 0 1uF C0603 TP79 GPIO_82 TP75 GPIO_132 R289 NC R0603 R282 20K R0603 D131 NC DIODE EGA 0603 1 2 TP71 GPIO_130 R285 1K R0603 TP70 GPIO_77 R283 33 R0603 R287 47K R0603 D134 NC DIODE EGA 0603 1 2 Q110 2N3904 SOT 23 1 2 3 TP80 GPIO_83 R291 0 R0603 TP77 GPIO_133 R288 47K R0603 D130 NC DIODE EGA 0603 1 2 D1...

Page 73: ...70uF 16V LowESR CE050080 C495 4700pF C0603 R323 1K R0603 R391 20 R0603 L149 FB 120R 3A L0603 R313 1K R0603 C452 330uF 16V CE050080 C444 10uF 50V CE025050 R400 470 R0603 R309 33K R0603 Q113 2SD2653K SOT 23 1 2 3 C446 0 1uF C0603 P109B 2SJ ST30 003_2 AU JACK 9 8 7 6 1 13 12 11 10 R392 1K R0603 Q122 2SD2653K SOT 23 1 2 3 L150 FB 120R 3A L0603 R297 1K R0603 C440 3300pF C0603 C454 0 1uF C0603 Q117 2N39...

Page 74: ...603 R409 1K R0603 C506 1uF 16V Y5V C0603 C475 4 7uF 50V CE025050 C470 1uF 16V Y5V C0603 C472 10uF 10V Y5V C0805 R330 1K R0603 R334 NC R0603 L158 FB 200R 2A L0805 C477 0 1uF C0805 R410 NC R0603 L151 FB 200R 2A L0805 C463 0 33uF 63V R333 NC R0603 R344 100K R0603 Q131 2N3904 SOT 23 1 2 3 C462 0 1uF C0805 I125 YDA138 SSOP42 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 37 38 39 40 41 22 23 24 25 26 27 28 29 ...

Page 75: ...12 14 DV33SB 2 4 5 6 9 11 12 14 DV33 2 4 5 6 7 11 12V 5V LVDSVDD DV33SB 5VSB DV33 R345 NC R0603 R349 NC R0603 R358 NC R0603 R395 33K R0603 L160 NC FB 200R 2A L0805 R346 NC R0603 L159 FB 200R 2A L0805 P113 FI SE30P HF CON15X2 2m 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 Q126 2N3904 SOT 23 1 2 3 R357 R0603 NC R393 33K R0603 C479 470uF 16V LowESR CE050080 R359 N...

Page 76: ...33SB 2 4 5 6 9 11 12 13 5VSB 2 9 10 12 13 AGND_PLL 2 3 4 5 6 7 8 9 10 11 12 13 AGND_AFE 2 3 4 5 6 7 8 9 10 11 12 13 AGND_LVDS 2 3 4 5 6 7 8 9 10 11 12 13 GND 2 3 4 5 6 7 8 9 10 11 12 13 AGND_HDMI 2 3 4 5 6 7 8 9 10 11 12 13 5VSB DV33SB DV33SB C487 0 1uF C0603 R368 1K R0603 R363 4 7K R0603 C492 0 1uF C0603 C484 0 1uF C0603 R3754 7K R0603 R3704 7K R0603 C489 0 1uF C0603 R367 470 R0603 C490 0 1uF C06...

Page 77: ...9 PCB Layout Diagrams 9 1 MAIN PCB TOP VIEW ViewSonic Corporation Confidential Do Not Copy N2635w 1M 74 ...

Page 78: ...9 2 MAIN PCB BOTTOM VIEW ViewSonic Corporation Confidential Do Not Copy N2635w 1M 75 ...

Page 79: ...9 3 CON PCB TOP VIEW ViewSonic Corporation Confidential Do Not Copy N2635w 1M 76 ...

Page 80: ...9 4 CON PCB BOTTOM VIEW ViewSonic Corporation Confidential Do Not Copy N2635w 1M 77 ...

Page 81: ...9 5 IR PCB TOP VIEW ViewSonic Corporation Confidential Do Not Copy N2635w 1M 78 ...

Page 82: ...9 6 IR PCB BOTTOM VIEW ViewSonic Corporation Confidential Do Not Copy N2635w 1M 79 ...

Page 83: ...9 7 P BUTTON PCB TOP VIEW ViewSonic Corporation Confidential Do Not Copy N2635w 1M 80 ...

Page 84: ...9 8 P BUTTON PCB BOTTOM VIEW ViewSonic Corporation Confidential Do Not Copy N2635w 1M 81 ...

Page 85: ...10 Exploded View And Exploded Parts List ViewSonic Corporation Confidential Do Not Copy N2635w 1M 82 ...

Page 86: ...ViewSonic Corporation Confidential Do Not Copy N2635w 1M 83 ...

Page 87: ... SECC T 1 0 1 26 N A 2082340082P SCREW CSK SCREW CSK M4x8 10 27 N A 2071888100P BRACKET FIX JC268VE SUPPORT SECC T 1 0 1 28 N A 2086240082P SCREW P SW 4X8 SWRM 3 ZMC2 C 2 29 PL 00008153 2044266601P FUNCTION KEY JC278 ABS 94V0 AL PLATE FUNCTI 1 30 C 00008263 2027261203P DUST COVER JC268 ABS94HB BLACK F K 1 31 M SCW 0824 6719 2082630062P SCREW M3X6 P 0 5 2 32 M SCW 0824 0285 2084730082P SCREW BND T ...

Page 88: ...260B1 L01 E 00008279 2212012500P V901 17 Hardware Screw Bracket Hinge Washer Neck 94HB Black HW 00008151 2028557202P 5B01 18 Accessory Box Carton 360X220X50mm B P 00004497 2011100017P 6P85 19 Polyethy Bag HDPE Bag P 00008117 2013054003P 6P60 20 PolyFoam Top P 00008263 2012194400P 6P20 21 PolyFoam Down P 00008264 2012194500P 6P21 22 PolyFoam for Accessory Box P 00008265 2012194600P 6P22 23 Craft Bo...

Page 89: ...347710696P CS 0805 Y5V 10V 10u Z T CAP CHIP C282 1 39 E 00008342 2346110496P CS 0603 X7R 50V 0 1u K T CAP CHIP C284 1 40 E 00008342 2346110496P CS 0603 X7R 50V 0 1u K T CAP CHIP C290 1 41 E 00008342 2346110496P CS 0603 X7R 50V 0 1u K T CAP CHIP C291 1 42 E 00008342 2346110496P CS 0603 X7R 50V 0 1u K T CAP CHIP C294 1 43 E 00008342 2346110496P CS 0603 X7R 50V 0 1u K T CAP CHIP C295 1 44 N A 2341127...

Page 90: ...SMD D104 RB 1 120 N A 2364600496P 03 RLS4148 T11 SOD80C ROHM DIODE SWITCH D104 RC 1 121 E 00003830 2364601396P 1N4148W 7 F SOD 123 DIODES DIODE SWITCH SMD D104 RD 1 122 N A 2364600496P 01 MM4148 SOD80C GRANDE DIODE SWITCH SMD D106 RA 1 123 N A 2364600496P 02 BAS32L SOD80C PHILIPS DIODE RECT SMD D106 RB 1 124 N A 2364600496P 03 RLS4148 T11 SOD80C ROHM DIODE SWITCH D106 RC 1 125 E 00003830 236460139...

Page 91: ...2 YAMAHA DIGITAL IC I125 1 204 E 00000915 2360501196P AP9435GM SO 8 APEC FET P CH SMD I126 RA 1 205 E 00003529 2360501796P APM9435KC SO 8 Anpec FET P CH SMD I126 RB 1 206 E 00000916 2360501596P AO4405 SO 8 AOS FET P CH SMD I126 RC 1 207 N A 2365814296P AP1117ELA SOT 223 AnaChip IC LINEAR SMD I127 RA 1 208 N A 2365335096P AIC1117APY SOT 223 AIC LINEAR IC I127 RB 1 209 E 00003533 2379520196P Z 200 o...

Page 92: ...7 ohm J P 0 8 RES CHIP NETWORKS RN11 1 284 N A 2259275008P 8P4R 1 16W 75 ohm J P 0 8 RES CHIP NETWORKS RN12 1 285 N A 2259222008P 8P4R 1 16W 22 ohm J P 0 8 RES CHIP NETWORKS RN13 1 286 N A 2259275008P 8P4R 1 16W 75 ohm J P 0 8 RES CHIP NETWORKS RN14 1 287 E R 0405 6422 2259247008P 8P4R 1 16W 47 ohm J P 0 8 RES CHIP NETWORKS RN15 1 288 N A 2259275008P 8P4R 1 16W 75 ohm J P 0 8 RES CHIP NETWORKS RN1...

Page 93: ...0 2253200096P RC 0603 1 10W 0 ohm J T RES CHIP 1 10W R238 1 369 E R 0405 6409 2253210196P RC 0603 1 10W 100 ohm J T RES CHIP 1 10W R239 1 370 N A 2251275096P RC 0603 1 10W 75 ohm F T RES CHIP 1 10W R240 1 371 E R 0405 6600 2253200096P RC 0603 1 10W 0 ohm J T RES CHIP 1 10W R241 1 372 E R 0405 6409 2253210196P RC 0603 1 10W 100 ohm J T RES CHIP 1 10W R242 1 373 N A 2251275096P RC 0603 1 10W 75 ohm ...

Page 94: ... T CAP ELE 105 C C114 1 450 N A 2333310713P EC 100u 16V 6 3 11 P 2 5 T CAP ELE 105 C C115 1 451 N A 2333310713P EC 100u 16V 6 3 11 P 2 5 T CAP ELE 105 C C118 1 452 N A 2336322713P EC 220u 16V 8 7 P 5 0 T CAP MINI ELE 105 C C120 1 453 N A 2333310713P EC 100u 16V 6 3 11 P 2 5 T CAP ELE 105 C C121 1 454 N A 2333310713P EC 100u 16V 6 3 11 P 2 5 T CAP ELE 105 C C122 1 455 N A 2333310713P EC 100u 16V 6 ...

Page 95: ... CS 0603 X7R 50V 0 1u K T CAP CHIP C205 1 E 00008342 2346110496P CS 0603 X7R 50V 0 1u K T CAP CHIP C206 1 E 00008342 2346110496P CS 0603 X7R 50V 0 1u K T CAP CHIP C207 1 E 00008342 2346110496P CS 0603 X7R 50V 0 1u K T CAP CHIP C208 1 E C 0404 4424 2346110396P CS 0603 X7R 50V 0 01u K T CAP CHIP C210 1 E 00008342 2346110496P CS 0603 X7R 50V 0 1u K T CAP CHIP C211 1 E 00008342 2346110496P CS 0603 X7R...

Page 96: ...P CS 0603 X7R 50V 0 1u K T CAP CHIP C354 1 E 00008342 2346110496P CS 0603 X7R 50V 0 1u K T CAP CHIP C355 1 E 00008342 2346110496P CS 0603 X7R 50V 0 1u K T CAP CHIP C356 1 E 00008342 2346110496P CS 0603 X7R 50V 0 1u K T CAP CHIP C357 1 E 00008342 2346110496P CS 0603 X7R 50V 0 1u K T CAP CHIP C358 1 E 00008342 2346110496P CS 0603 X7R 50V 0 1u K T CAP CHIP C359 1 E 00008342 2346110496P CS 0603 X7R 50...

Page 97: ... 5 73V LL 34 ROHM DIODE ZENER SMD D125 RC 1 E D 0403 1779 2364503996P BZV55 C5V6 5 SOD 80C PHILIPS DIODE ZENER SMD D126 RA 1 E D 0403 2808 2364505616P TZMC5V6 SOD 80 5 2 6 0V VISHAY DIODE ZENER SMD D126 RB 1 E D 0403 1666 2364500396P RLZ5 6B 5 45 5 73V LL 34 ROHM DIODE ZENER SMD D126 RC 1 N A 2364600496P 01 MM4148 SOD80C GRANDE DIODE SWITCH SMD D127 RA 1 N A 2364600496P 02 BAS32L SOD80C PHILIPS DI...

Page 98: ...0 ohm J T RES CHIP 1 10W R141 1 MULTIPLE MATCH 2253200096P RC 0603 1 10W 0 ohm J T RES CHIP 1 10W R142 1 E R 0405 6419 2253247296P RC 0603 1 10W 4 7Kohm J T RES CHIP 1 10W R144 1 E R 0405 6419 2253247296P RC 0603 1 10W 4 7Kohm J T RES CHIP 1 10W R145 1 E R 0405 6419 2253247296P RC 0603 1 10W 4 7Kohm J T RES CHIP 1 10W R146 1 E R 0405 6409 2253210196P RC 0603 1 10W 100 ohm J T RES CHIP 1 10W R147 1...

Page 99: ... T RES CHIP 1 10W R375 1 E R 0405 6419 2253247296P RC 0603 1 10W 4 7Kohm J T RES CHIP 1 10W R376 1 N A 2253220096P RC 0603 1 10W 20 ohm J T RES CHIP 1 10W R390 1 N A 2253220096P RC 0603 1 10W 20 ohm J T RES CHIP 1 10W R391 1 E R 0405 6410 2253210296P RC 0603 1 10W 1 0Kohm J T RES CHIP 1 10W R409 1 E R 0405 6419 2253247296P RC 0603 1 10W 4 7Kohm J T RES CHIP 1 10W R415 1 E C 0404 3096 2335310812P E...

Page 100: ...0 4mm NO 5000NS FELT 1F05 10 N A 2061451401P PTR 45 94HB BUSHING 1F06 8 N A 2090106700P φ12xφ4 5x1 5t SECC WASHER METAL 1F07 8 M SCW 0824 0123 2084740102P M4X10 BND T SCREW BND T 1F08 8 N A 2044272801P 32V POWER KEY ABS HB AL PLATE FUNCTION KEY 1F11 1 N A 2090106700P φ12xφ4 5x1 5t SECC WASHER METAL 1F12 4 M SCW 0824 0123 2084740102P M4X10 BND T SCREW BND T 1F13 4 N A 2051355600P 45 7 21M ELECTOR L...

Page 101: ...IX 5B03 1 HW 00008160 2084740082P M4X8 BND T SCREW BND T 5B04 8 HW 00008152 2083740122P SCREW BND T M4 12 BND T SCREW BND T 5B05 4 N A 2039802304P CRφ16 5X7 3 BLACK FOOT PAD 5B06 4 A 00008045 2005100500P R03UG 1 5V AAA TOSHIBA BATTERY DRY B901 2 A 00008158 2419200151P ViewSonic 34 Key ATSC 2 USA CONT BLOCK H901 1 A 00005362 2427130046P USA WALL 1 83M BLACK AC POWER CORD P901 1 N A 2438501279P N263...

Page 102: ...g Flow Chart 7 Block Diagram 8 Schematic Diagrams 9 PCB Layout Diagrams 10 Exploded View And Exploded Parts List 11 Recommended Spare Parts List 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 Title ...

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