ViewSonic VS11770-1M Service Manual Download

Page: 68 / 100

AV / SV / YPBPR INPUT

YPBPR AUDIO INPUT

YPBPR VIDEO INPUT

NEARLY YPBPR CONNECTOR

NEARLY MT5372

NEARLY AV/SV CONNECTOR

NEARLY MT5372

SVIDEO Input.

Audio R/L in

AV / SV AUDIO INPUT

AV / SV VIDEO INPUT

NEARLY RCA CONNECTOR

Please put the components in the circle
on the top layer side.

Y0P

Y0N

SOY0

PB0P

PB0N

PR0P

PR0N

Y0_IN

PB0_IN

AGND_AFE

YPBPR_AUDR

YPBPR0R_IN

YPBPR0L_IN

SOY0
Y0P
Y0N
PB0P
PB0N
PR0P
PR0N

YPBPR0R_IN
YPBPR0L_IN

Y_GND

SY0_IN

SY0

AV1_IN

CVBS1

SC0_IN

SC0

AV1L_IN

SY0_GND

SC0_IN

SY0_IN

YPBPR_AUDR

YPBPR_AUDL

AV_AUD_R

AV_AUD_L

SC0

AV1R_IN

CVBS1

AV1L_IN

SY0

YPBPR_AUDL

AV_AUD_L

AV_AUD_R

AV1R_IN

PB0_IN

Y_GND

Y0_IN

AV1_IN

PR0_IN

PRB_GND

PR0_IN

AGND_AFE

2,3,4,5,6,7,9,10,11,12,13,14

SOY0

Y0P

Y0N

PB0P

PB0N

PR0P

PR0N

YPBPR0R_IN

YPBPR0L_IN

SC0

AV1R_IN

CVBS1

AV1L_IN

SY0

L141

FB/60R/300mA

L0603

C398
15pF

C0603

R244
0

R0603

C406
47pF

C0603

D112
NC(EZJZ0V800AA)

R236
100

R0603

R251
10K

R0603

D113
NC(EZJZ0V800AA)

D108
NC(EZJZ0V800AA)

R247
10K

R0603

C399
10nF

C0603

R238
0

R0603

P106

S-Terminal

minidin8

R225
75/ 1%

R0603

R248
0

R0603

C407
47nF

C0603

C411
1nF

C0603

C396
10nF

C0603

R237
75/ 1%

R0603

D109
NC(EZJZ0V800AA)

L142

FB/60R/300mA

L0603

L138

FB/80R/300mA

L0603

R239
100

R0603

D114
NC(EZJZ0V800AA)

R227
0

R0603

R241
0

R0603

D116
NC(EZJZ0V800AA)

C393
1nF

C0603

R229
75/ 1%

R0603

C402
10nF

C0603

C394
10nF

C0603

L139

FB/80R/300mA

L0603

R245
0

R0603

R250
10K

R0603

P107

RCA2x2

C397
10nF

C0603

R240
75/ 1%

R0603

R404

R0603

R226
100

R0603

D110
NC(EZJZ0V800AA)

C408
47pF

C0603

R230
100

R0603

L143

FB/60R/300mA

L0603

R231
0

R0603

R233
75/ 1%

R0603

P105

RCA2x2

C404
47pF

C0603

L140

FB/80R/300mA

L0603

C400
10nF

C0603

R249
0

R0603

D115
NC(EZJZ0V800AA)

C409
1nF

C0603

R224
68

R0603

R243
75/ 1%

R0603

D111
NC(EZJZ0V800AA)

R405

R0603

C403
47nF

C0603

R403

R0603

R232
68

R0603

R234
100

R0603

R246
10K

R0603

R223
0

R0603

R242
100

R0603

C412
1nF

C0603

D107
NC(EZJZ0V800AA)

R222
68

R0603

R228
68

R0603

C405
47nF

C0603

C395
15pF

C0603

R235
0

R0603

C401
15pF

C0603

C410
1nF

C0603

ViewSonic Corporation

Confidential - Do Not Copy

3235

w-1M

Summary of Contents for VS11770-1M

Page 1: ...Service Manual ViewSonic N3235w 1M Model No VS11770 1M 32 LCD TV N3235w 1M_SM Rev 1a Jun 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: ...cuit Description 23 5 Adjustment Procedure 27 6 Trouble Shooting Flow Chart 54 7 Block Diagram 58 8 Schematic Diagrams 59 9 PCB Layout Diagrams 72 10 Exploded Diagram And Exploded Parts List 80 11 Recommend Spare Parts List 83 ViewSonic Corporation Confidential Do Not Copy N3235w 1M ii 2 Specification 4 ...

Page 4: ...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 not open nor modify the Module Assembl...

Page 5: ...rizer 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 Do Not Copy N3235w 1M 2 ...

Page 6: ...ViewSonic Corporation Confidential Do Not Copy N3235w 1M 3 ...

Page 7: ...ble Streaking Sag or Smearing artifacts when driven by the specified video cards see 7 1 General Test Equipment in the primary mode VGA at 60 Hz and after user adjustment b No image drift or lose fine tune settings due to panel temperature change Note Panel performance characteristics MUST BE met in all display modes inputs at standard test conditions 1 RF Tuner RF tuner of this product shall be p...

Page 8: ...l be integrated within this product The audio signals of this product shall comply with the specification listed in the following table Parameter Specification Phone Jack out Tuner Input Base band Input Speaker Power Output Max Rating 10 W x 2 at 10 T H D Distortion 10W x 2 at 10 T H D Distortion Speaker Impedance main spk 6 Ω6 main spk 6 Ω6 Line In Per Tuner Spec 500 mV rms Typ 1 6 V rms Max Line...

Page 9: ...l also be pre approved by ViewSonic in written For VS11770 1M its firmware shall have a built in frequency table for NTSC ATSC off air TV CATV Closed Caption and with MTS implementation All audio video and other output adjustments shall be performed by using an On Screen Display OSD via a Remote Control Unit RCU adjustment The following tables list the OSD functions supported by VS11770 1M OSD Pic...

Page 10: ... Guide Electric program guide on Digital TV CH up down Adjust channel up or channel down Volume Adjust the Volume levels Up Down Left Right arrows Select or adjust the function of OSD Fav ch Switch to favorite channel Fav A D Add or Del favorite channel Menu Turn On or Off OSD main menu or exit current menu Input Selections Input Source Freeze To freeze the current image Zoom Enlarge or shrink cur...

Page 11: ...SCMPPSPEC001V1 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 400mmx200mm VESA high hole n 6 M6 X 10mm pitch 1 0mm screw mounting kit not included Sample Sample of textured co...

Page 12: ...r 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 in OSD menu ENTER To highlight a control in OSD menu Power ON OFF button Remote Control Receiver Power LED Indicator 1 3 2 4 5 6 7 8 9 ViewSonic Corporation Confidential Do Not Copy N3235...

Page 13: ...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 Connect this po...

Page 14: ...Remote Control ViewSonic Corporation Confidential Do Not Copy N3235w 1M 11 ...

Page 15: ... restore Favorite Channels 12 UP DOWN LEFT RIGHT ENTER button UP DOWN for OSD function select and LEFT RIGHT for function adjust ENTER Enter the function setting 13 INPUT Input source select 14 MUTE Volume mute ON OFF 15 TV CATV Swap between TV CATV 16 PICTURE Select picture modes 17 WIDE Change the image size 18 RETURN Return to previous channel 19 CH and CH Adjust Channel UP DOWN 20 FAV CH Selec...

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 N3235w 1M 1...

Page 20: ...p Timer and Auto Sleep Time Zone To select the 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 inte...

Page 21: ...ed 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 sele...

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 N3235w 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: ...he password press ENTER and the following screen 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 ViewSonic Corpor...

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 N3235w 1M 26 ...

Page 30: ... 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 WHITE BALANCE and press ...

Page 31: ...NCTION TEST A Input YPbPr S VIDEO AV TV 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 MO...

Page 32: ...553 75 559 75 565 75 571 75 577 75 583 75 589 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 4...

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 N3235w 1M 33 ...

Page 37: ... conform to the LCD TV you have to do the DDC key in 2 1 Equipment Needed N3235WM LCD TV DDC Card PC RS 232 cable Barcode Reader VGA Cable N3235WM 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 N3235w 1M 34 ...

Page 38: ...Cable when key in DVI DDC information use VGA transform to DVI port 2 2 4 Connect Power Cord to N3235WM 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 N3235w 1M 35 ...

Page 39: ...2 3 3 Press ENTER key 2 3 4 Press F4 key and Input bar code ViewSonic Corporation Confidential Do Not Copy N3235w 1M 36 ...

Page 40: ...2 3 5 Press ENTER key then the successful picture is as follows DDC DOWNLOED OK 2 3 6 Exit program ViewSonic Corporation Confidential Do Not Copy N3235w 1M 37 ...

Page 41: ... the different EDID into each HDMI connector 3 1 Equipment Needed N3235WM LCD TV PC RS 232 cable Barcode Reader HDMI Cable N3235WM 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 N3235w 1M 38 ...

Page 42: ...C keyboard port 3 2 3 Connect DDC Card and N3235WM LCD TV with HDMI Cable 3 2 4 Connect Power Cord to N3235WM 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 N3235w 1M 39 ...

Page 43: ...3 3 3 Press ENTER key 3 3 4 Press F4 key ViewSonic Corporation Confidential Do Not Copy N3235w 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 N3235w 1M 41 ...

Page 45: ...g the program execution N3235WM 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 N3235w 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 N3235w 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 N3235w 1M 45 ...

Page 49: ...the cushions on the LCD TV Figure 3 1 4 Place the LCD TV into the carton and then Put the other cushions on the LCD TV put all the accessories 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 VGA Cable 3 RF Cable 4 RCA Cable 5 User s Guide 6 Remote contrl 7 Guarant Card 8 Battery ViewSonic Corporation Confidential Do Not Cop...

Page 50: ...1 6 P 00008438 2012199970P POLYFOAM B L 1 7 P 00008078 2013228805P POLYETHY BAG 1 8 N A 2438501281P OWNER GUIDE 1 9 N A 2002310665P GUARANT CARD QSG 1 10 A 00005362 2427130046P AC POWER CORD 1 11 P 00004497 2011100017P CARTON BOX 1 12 P 00008439 2011132801P CARTON BOX 1 13 N A 2055632259P LABEL 1 14 A 00008045 2005100500P BATTERY 2 15 A 00008148 2419200136P REMOTE CONTRL 1 PACKING PART LIST N3235w...

Page 51: ...TV 1 1 Unscrew 9 screws to remove Rear Cover 2 Disassembly of Main Board Power Board Switch Board KeyPad Board Front Cover and Panel Unit 2 1 Unscrew 5 screws to remove Dust Cover Rear Cover Dust Cover ViewSonic Corporation Confidential Do Not Copy N3235w 1M 48 ...

Page 52: ...2 2 Unscrew 14 screws to remove Shield Plate 2 2 Unscrew 8 screws to remove METAL FITTG I O Down Shield Plate METAL FITTG I O Down ViewSonic Corporation Confidential Do Not Copy N3235w 1M 49 ...

Page 53: ...Unscrew 3 screws to remove METAL FITTG I O Side 2 4 Unscrew 4 screws and disconnect the wires to remove Main Board METAL FITTG I O Side Main Board ViewSonic Corporation Confidential Do Not Copy N3235w 1M 50 ...

Page 54: ...rew 4 screws and disconnect the wires to remove Power Board 2 6 Unscrew 3 screws and disconnect the wires to remove KeyPad Board Power Board Key Board ViewSonic Corporation Confidential Do Not Copy N3235w 1M 51 ...

Page 55: ...2 7 Unscrew 2 screws to remove Switch Board 2 8 Unscrew 5 screws to remove Front Cover Front Cover ViewSonic Corporation Confidential Do Not Copy N3235w 1M 52 ...

Page 56: ...2 9 Unscrew 4 screws to remove Panel Bracket 2 9 Unscrew 6 screws to remove Panel Unit Panel Unit Panel Bracket ViewSonic Corporation Confidential Do Not Copy N3235w 1M 53 ...

Page 57: ...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 N3235w 1M 54 ...

Page 58: ...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 N3235w 1M 55 ...

Page 59: ...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 6 3 NO DISPLAY ViewSonic C...

Page 60: ...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 N3...

Page 61: ...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 N3235w 1M 58 ...

Page 62: ...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 CON12 P 2 0mm 1 2 3 4 5 6 7 8 9 10 11 12 C137 100uF 16V CE025063 C135 220uF 16V CE050...

Page 63: ...TS_DATA6 TS_DATA5 TS_DATA4 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 ...

Page 64: ... R2 R3 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 C2...

Page 65: ... 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 66: ... 100 R0603 R179 NC 0 R0603 X102 27MHz C505 4 7uF 50V CE025063 L137 FB 120R 3A L0603 R189 2 2K R0603 R185 100 R0603 R173 10K R0603 R184 33 R0603 C504 220uF 16V CE050080 C296 10uF 50V CE025050 X103 NC VCXO 27MHz VCXO7X5 1 2 3 4 5 6 CVIN TRI STATE GND OUT NC VDD C303 NC 47pF C0603 R165 10K R0603 C297 27pF C0603 C304 NC 10nF C0603 Q107 2N3904 SOT 23 1 2 3 R182 4 7K R0603 P103 S PDIF OUT 1 2 3 4 5 6 VC...

Page 67: ...0603 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 C0603 RN12 75x4 RN8P4R I 1 8 2 7 3 6 4 5 RN22 75x4 RN8P4R I 1 8 2 7 3 6 4 5 RN11 47x4 RN8P4R I 1 8 2 7 3 6 4 5 C312 0 1uF C0603 RN28 75x4 RN8P4R I 1 8 2 7 3 6 4 5 C3...

Page 68: ...JZ0V800AA 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 C0603 R229 75 1 R0603 C402 10nF C...

Page 69: ...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 70: ...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 71: ...50 C456 470uF 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 ...

Page 72: ... R0603 C467 0 1uF C0603 R335 300K R0603 C506 1uF 16V X7R C0603 R409 1K R0603 C475 4 7uF 50V CE025050 C470 1uF 16V Y5V C0603 R330 1K R0603 C472 10uF 10V Y5V C0805 R334 NC R0603 L158 FB 200R 2A L0805 C477 0 1uF C0805 R410 NC R0603 L151 FB 200R 2A L0805 R344 820K R0603 R333 NC R0603 C463 0 33uF 63V C462 0 1uF C0805 Q131 2N3904 SOT 23 1 2 3 I125 YDA138 SSOP42 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 37 ...

Page 73: ... 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 Q126 2N3904 SOT 23 1 2 3 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 R357 R0603 NC R393 33K R0603 C479 470uF 16V LowESR CE050080 R359 NC R0603 R361 1K R0603 R394 NC R0603 R355...

Page 74: ...CTRL2 4 DV33SB 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...

Page 75: ...9 1 MAIN PCB TOP VIEW 9 PCB Layout Diagrams ViewSonic Corporation Confidential Do Not Copy N3235w 1M 72 ...

Page 76: ...9 2 MAIN PCB BOTTOM VIEW ViewSonic Corporation Confidential Do Not Copy N3235w 1M 73 ...

Page 77: ...9 3 CON PCB TOP VIEW ViewSonic Corporation Confidential Do Not Copy N3235w 1M 74 ...

Page 78: ...9 4 CON PCB BOTTOM VIEW ViewSonic Corporation Confidential Do Not Copy N3235w 1M 75 ...

Page 79: ...9 5 IR PCB TOP VIEW ViewSonic Corporation Confidential Do Not Copy N3235w 1M 76 ...

Page 80: ...9 6 IR PCB BOTTOM VIEW ViewSonic Corporation Confidential Do Not Copy N3235w 1M 77 ...

Page 81: ...9 7 P BUTTON PCB TOP VIEW ViewSonic Corporation Confidential Do Not Copy N3235w 1M 78 ...

Page 82: ...9 8 P BUTTON PCB BOTTOM VIEW ViewSonic Corporation Confidential Do Not Copy N3235w 1M 79 ...

Page 83: ...10 Exploded View And Exploded Parts List ViewSonic Corporation Confidential Do Not Copy N3235w 1M 80 ...

Page 84: ...ViewSonic Corporation Confidential Do Not Copy N3235w 1M 81 ...

Page 85: ... SCREW M3 4 P 0 5 14 27 C 00008475 2027268801P DUST COVER 32R 6KEY ABS HB BLACK MT11010 1 28 N A 2044272401P FUNCTION KEY 32R 6KEY HB AL PLATE 1 29 M SCW 0824 0285 2084730082P SCREW BND T M3X8 BND T 2 30 M SCW 0824 6719 2082630062P SCREW M3X6 P 0 5 2 31 M SCW 0824 0285 2084730082P SCREW BND T M3X8 BND T 2 32 N A 2022273101P CABI BACK 32R ABS HB BLACK X2UA 1 33 N A 2071887500P BRACKET FIX 32R ARM B...

Page 86: ...art Guide CD Rom Label User Guide DC 00008381 2604207401 21 Electronic LCD Panel CLAA320WB02CV 267 Ver1 0 CPT E 00008460 2212012621P V901 22 Hardware Black Bracket HW 00008151 2028557202P 5B01 23 Carton Box P 00008439 2011132801P 6P01 24 Accessories Box P 00004497 2011100017P 6P85 25 Top Right EPS Polyfoam P 00008435 2012199940P 6P20 26 Top Left EPS Polyfoam P 00008436 2012199950P 6P21 27 Down Rig...

Page 87: ...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 88: ...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 89: ... N A 2365106996P EN29LV320T 70TCP TSOP 48 EON MEMORY IC I118 1 203 N A 2365107196P NT5DS16M16CS 5T TSSOP66 NANYA MEMORY IC I119 1 204 N A 2365107196P NT5DS16M16CS 5T TSSOP66 NANYA MEMORY IC I120 1 205 N A 2365425856P RT9173PS SOP 8 RICHTEK DIGITAL IC I121 1 206 N A 2365911696P 24LC02B SN SOIC 8 MICROCHIP IC DIGITAL SMD I122 RA 1 207 N A 2365100896P AT24C02N 10SC 8S1 ATMEL MEMORY IC I122 RB 1 208 N...

Page 90: ...TOR NPN R SMD Q131 RB 1 284 E Q 0402 1087 2360301896P MMBT3904LT1G LR SOT 23 LRC XISTOR NPN R SMD Q131 RC 1 285 E R 0405 6006 2259233008P 8P4R 1 16W 33 ohm J P 0 8 RES CHIP NETWORKS RN01 1 286 E R 0405 6006 2259233008P 8P4R 1 16W 33 ohm J P 0 8 RES CHIP NETWORKS RN02 1 287 E R 0405 6006 2259233008P 8P4R 1 16W 33 ohm J P 0 8 RES CHIP NETWORKS RN03 1 288 N A 2259210308P 8P4R 1 16W 10Kohm J P 0 8 RES...

Page 91: ...HIP 1 10W R206 1 368 N A 2251275096P RC 0603 1 10W 75 ohm F T RES CHIP 1 10W R207 1 369 E R 0405 6417 2253247096P RC 0603 1 10W 47 ohm J T RES CHIP 1 10W R208 1 370 N A 2251275096P RC 0603 1 10W 75 ohm F T RES CHIP 1 10W R209 1 371 E R 0405 6409 2253210196P RC 0603 1 10W 100 ohm J T RES CHIP 1 10W R210 1 372 E R 0405 6417 2253247096P RC 0603 1 10W 47 ohm J T RES CHIP 1 10W R211 1 373 N A 225127509...

Page 92: ...HIP 1 10W R356 1 451 E R 0405 6411 2253210396P RC 0603 1 10W 10Kohm J T RES CHIP 1 10W R360 1 452 E R 0405 6410 2253210296P RC 0603 1 10W 1 0Kohm J T RES CHIP 1 10W R361 1 453 E 00008393 2253222296P RC 0603 1 10W 2 2Kohm J T RES CHIP 1 10W R362 1 454 E R 0405 7001 2253233096P RC 0603 1 10W 33 ohm J T RES CHIP 1 10W R381 1 455 E 00003527 2253247396P RC 0603 1 10W 47Kohm J T RES CHIP 1 10W R382 1 45...

Page 93: ...2336610613P EC 10u 50V 5 7 P 2 5 T CAP MINI ELE 105 C C444 1 534 N A 2336610613P EC 10u 50V 5 7 P 2 5 T CAP MINI ELE 105 C C445 1 535 N A 2336310713P EC 100u 16V 6 3 7 P 2 5 T CAP MINI ELE 105 C C448 1 536 N A 2336333713P EC 330u 16V 8 7 P 5 0 T CAP MINI ELE 105 C C451 1 537 N A 2336333713P EC 330u 16V 8 7 P 5 0 T CAP MINI ELE 105 C C452 1 538 N A 2336322613P EC 22u 16V 4 7 P 2 5 T CAP MINI ELE 10...

Page 94: ...HIP C240 1 617 E 00008342 2346110496P CS 0603 X7R 50V 0 1u K T CAP CHIP C241 1 618 E 00008342 2346110496P CS 0603 X7R 50V 0 1u K T CAP CHIP C242 1 619 N A 2347710696P CS 0805 Y5V 10V 10u Z T CAP CHIP C243 1 620 E 00008342 2346110496P CS 0603 X7R 50V 0 1u K T CAP CHIP C244 1 621 E 00008342 2346110496P CS 0603 X7R 50V 0 1u K T CAP CHIP C245 1 622 E 00008342 2346110496P CS 0603 X7R 50V 0 1u K T CAP C...

Page 95: ...R 50V 0 1u K T CAP CHIP C392 1 701 N A 2341110296P CS 0603 COG 50V 1000p J T CAP CHIP TEMPERATURE 125 C C423 1 702 N A 2341110296P CS 0603 COG 50V 1000p J T CAP CHIP TEMPERATURE 125 C C424 1 703 N A 2341147096P CS 0603 COG 50V 47p J T CAP CHIP TEMPERATURE 125 C C425 1 704 N A 2341110296P CS 0603 COG 50V 1000p J T CAP CHIP TEMPERATURE 125 C C426 1 705 E 00008342 2346110496P CS 0603 X7R 50V 0 1u K T...

Page 96: ... 784 N A 2360609096P 2N7002K SOT 23 PHILIPS FET N CH SMD Q108 RB 1 785 N A 2360607696P 2N7002 SOT 23 FAIRCHILD FET N CH SMD Q108 RC 1 786 N A 2360609496P 2N7002G SOT 23 Pyramis FET N CH EOL Q109 RA 1 787 N A 2360609096P 2N7002K SOT 23 PHILIPS FET N CH SMD Q109 RB 1 788 N A 2360607696P 2N7002 SOT 23 FAIRCHILD FET N CH SMD Q109 RC 1 789 E Q 0402 1624 2360301696P PMBS3904 SOT 23 PHILIPS XISTOR NPN R ...

Page 97: ...W R291 1 866 E 00008393 2253200096P RC 0603 1 10W 0 ohm J T RES CHIP 1 10W R292 1 867 E R 0405 6411 2253210396P RC 0603 1 10W 10Kohm J T RES CHIP 1 10W R315 1 868 E R 0405 6410 2253210296P RC 0603 1 10W 1 0Kohm J T RES CHIP 1 10W R317 1 869 E R 0405 6410 2253210296P RC 0603 1 10W 1 0Kohm J T RES CHIP 1 10W R318 1 870 E R 0405 6411 2253210396P RC 0603 1 10W 10Kohm J T RES CHIP 1 10W R320 1 871 E R ...

Page 98: ...38 5VS13F4 ECEL RECEIV BLOCK I701 RA 1 949 N A 2419301000P FM 6038TM2 5AN OPTO RECEIV BLOCK I701 RB 1 950 N A 2419301100P PL IRM0206 A538 PARA LIGHT RECEIV BLOCK I701 RC 1 951 N A 2404301104P JST PH 5P SIDE P 2 0 OR EQUAL CONNECTOR P711 1 952 N A 2202126400P JC206 IR B CEM1 51 5 9 PC BOARD U702 1 953 N A 2404301101P JST PH 2P SIDE P 2 0 OR EQUAL CONNECTOR P751 1 954 M SW 0815 0182 2403702200P 1P H...

Page 99: ... 1017 PL 00008143 2028260102P 26E ABS 94HB BLACK C STAND 5B04 1 1018 HW 00008160 2084740082P M4X8 BND T SCREW BND T 5B05 8 1019 N A 2082750402P M5X40 M P ZN CC SCREW BND 5B08 4 1020 N A 2039802304P CRφ16 5X7 3 BLACK FOOT PAD 5B09 4 1021 N A 2084740104P M4X10 BND T BLK SCREW BND T 2C12 14 1022 N A 2082340082P SCREW CSK M4x8 SCREW CSK 2C14 3 1023 N A 2080005900P M6 10MM TYPE I BLACK ZN SCREW SPE 2C1...

Page 100: ... Flow Chart 7 Block Diagram 8 Schematic Diagrams 9 PCB Layout Diagrams 10 Exploded Diagram 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 Titl...

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