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ViewSonic N3250wb-1G, Руководство по обслуживанию


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Item

ViewSonic P/N

Ref. P/N

Description

Location

Universal number#

Q'ty

171

E-R-0405-6409

2253210196P

RES CHIP 1/10W

RC  0603 1/10W   100 ohm  J  T

R182

1

172

E-R-0405-6409

2253210196P

RES CHIP 1/10W

RC  0603 1/10W   100 ohm  J  T

R181

1

173

E-00003527

2253247396P

RES CHIP 1/10W

RC  0603 1/10W    47Kohm  J  T

R180

1

174

E-R-0405-6600

2253200096P

RES CHIP 1/10W

RC  0603 1/10W     0 ohm  J  T

R153

1

175

E-R-0405-6409

2253210196P

RES CHIP 1/10W

RC  0603 1/10W   100 ohm  J  T

R151

1

176

E-R-0405-6409

2253210196P

RES CHIP 1/10W

RC  0603 1/10W   100 ohm  J  T

R150

1

177

E-R-0405-6600

2253200096P

RES CHIP 1/10W

RC  0603 1/10W     0 ohm  J  T

R149

1

178

E-R-0405-6600

2253200096P

RES CHIP 1/10W

RC  0603 1/10W     0 ohm  J  T

R146

1

179

E-R-0405-6416

2253233296P

RES CHIP 1/10W

RC  0603 1/10W   3.3Kohm  J  T

R143

1

180

E-R-0405-6416

2253233296P

RES CHIP 1/10W

RC  0603 1/10W   3.3Kohm  J  T

R142

1

181

E-R-0405-6604

2253222296P

RES CHIP 1/10W

RC  0603 1/10W   2.2Kohm  J  T

R139

1

182

E-R-0405-6409

2253210196P

RES CHIP 1/10W

RC  0603 1/10W   100 ohm  J  T

R138

1

183

E-R-0405-6604

2253222296P

RES CHIP 1/10W

RC  0603 1/10W   2.2Kohm  J  T

R137

1

184

E-R-0405-6409

2253210196P

RES CHIP 1/10W

RC  0603 1/10W   100 ohm  J  T

R136

1

185

E-R-0405-6417

2253247096P

RES CHIP 1/10W

RC  0603 1/10W    47 ohm  J  T

R127

1

186

E-R-0405-6417

2253247096P

RES CHIP 1/10W

RC  0603 1/10W    47 ohm  J  T

R125

1

187

E-R-0405-6417

2253247096P

RES CHIP 1/10W

RC  0603 1/10W    47 ohm  J  T

R123

1

188

E-R-0405-7003

2253275096P

RES CHIP 1/10W

RC  0603 1/10W    75 ohm  J  T

R122

1

189

E-R-0405-7003

2253275096P

RES CHIP 1/10W

RC  0603 1/10W    75 ohm  J  T

R121

1

190

E-R-0405-7003

2253275096P

RES CHIP 1/10W

RC  0603 1/10W    75 ohm  J  T

R120

1

191

E-R-0405-6418

2253247196P

RES CHIP 1/10W

RC  0603 1/10W   470 ohm  J  T

R119

1

192

E-R-0405-6417

2253247096P

RES CHIP 1/10W

RC  0603 1/10W    47 ohm  J  T

R118

1

193

E-R-0405-6417

2253247096P

RES CHIP 1/10W

RC  0603 1/10W    47 ohm  J  T

R117

1

194

E-R-0405-6417

2253247096P

RES CHIP 1/10W

RC  0603 1/10W    47 ohm  J  T

R116

1

195

E-R-0405-6419

2253247296P

RES CHIP 1/10W

RC  0603 1/10W   4.7Kohm  J  T

R113

1

196

E-R-0405-6410

2253210296P

RES CHIP 1/10W

RC  0603 1/10W   1.0Kohm  J  T

R112

1

197

E-R-0405-6419

2253247296P

RES CHIP 1/10W

RC  0603 1/10W   4.7Kohm  J  T

R111

1

198

E-R-0405-6419

2253247296P

RES CHIP 1/10W

RC  0603 1/10W   4.7Kohm  J  T

R110

1

199

E-R-0405-6600

2253200096P

RES CHIP 1/10W

RC  0603 1/10W     0 ohm  J  T

R109

1

200

E-R-0405-6411

2253210396P

RES CHIP 1/10W

RC  0603 1/10W    10Kohm  J  T

R108

1

201

E-R-0405-6410

2253210296P

RES CHIP 1/10W

RC  0603 1/10W   1.0Kohm  J  T

R107

1

202

N/A

2253210496P

RES CHIP 1/10W

RC  0603 1/10W   100Kohm  J  T

R105

1

203

E-R-0405-6419

2253247296P

RES CHIP 1/10W

RC  0603 1/10W   4.7Kohm  J  T

R104

1

204

E-00003527

2253247396P

RES CHIP 1/10W

RC  0603 1/10W    47Kohm  J  T

R103

1

205

N/A

2253224296P

RES CHIP 1/10W

RC  0603 1/10W   2.4Kohm  J  T

R102

1

206

E-R-0405-6410

2253210296P

RES CHIP 1/10W

RC  0603 1/10W   1.0Kohm  J  T

R100

1

207

E-Q-0402-1087

2360301896P

XISTOR NPN R SMD

MMBT3904LT1G-LR  SOT-23    LRC

Q601

RA

1

208

E-Q-0402-1624

2360301696P

XISTOR NPN R SMD

PMBS3904  SOT-23       PHILIPS

Q601

RB

1

209

E-Q-0402-1180

2360301296P

XISTOR NPN R SMD

MMBT3904-F  SOT23       DIODES

Q601

RC

1

210

E-Q-0402-1608

2360300896P

XISTOR NPN R SMD

MMBT3904K  SOT-23    FAIRCHILD

Q601

RD

1

211

N/A

2360302196P

XISTOR NPN R SMD

MMBT3904LT1G  SOT-23        ON

Q601

RE

1

212

E-Q-0402-1087

2360301896P

XISTOR NPN R SMD

MMBT3904LT1G-LR  SOT-23    LRC

Q132

RA

1

213

E-Q-0402-1624

2360301696P

XISTOR NPN R SMD

PMBS3904  SOT-23       PHILIPS

Q132

RB

1

214

E-Q-0402-1180

2360301296P

XISTOR NPN R SMD

MMBT3904-F  SOT23       DIODES

Q132

RC

1

215

E-Q-0402-1608

2360300896P

XISTOR NPN R SMD

MMBT3904K  SOT-23    FAIRCHILD

Q132

RD

1

216

N/A

2360302196P

XISTOR NPN R SMD

MMBT3904LT1G  SOT-23        ON

Q132

RE

1

217

E-Q-0402-1607

2360100596P

XISTOR PNP R SMD

MMBT3906-NL  SOT23   FAIRCHILD

Q120

RA

1

218

E-Q-0402-1607

2360100796P

XISTOR PNP R SMD

MMBT3906-F  SOT-23      DIODES

Q120

RB

1

219

N/A

2360100696P

XISTOR PNP R SMD

PMBS3906  SOT-23       PHILIPS

Q120

RC

1

220

N/A

2360100896P

XISTOR PNP R SMD

MMBT3906LT1G  SOT-23        ON

Q120

RD

1

221

E-Q-0402-1375

2360100396P

XISTOR PNP R SMD

MMBT3906-7  SOT23       VISHAY

Q120

RE

1

222

E-Q-0402-1607

2360100596P

XISTOR PNP R SMD

MMBT3906-NL  SOT23   FAIRCHILD

Q119

RA

1

223

E-Q-0402-1607

2360100796P

XISTOR PNP R SMD

MMBT3906-F  SOT-23      DIODES

Q119

RB

1

224

N/A

2360100696P

XISTOR PNP R SMD

PMBS3906  SOT-23       PHILIPS

Q119

RC

1

225

N/A

2360100896P

XISTOR PNP R SMD

MMBT3906LT1G  SOT-23        ON

Q119

RD

1

226

E-Q-0402-1375

2360100396P

XISTOR PNP R SMD

MMBT3906-7  SOT23       VISHAY

Q119

RE

1

227

N/A

2360609496P

FET N-CH (EOL)

2N7002G  SOT-23        Pyramis

Q114

RA

1

228

N/A

2360609096P

FET N-CH(SMD)

2N7002K  SOT-23        PHILIPS

Q114

RB

1

229

N/A

2360607696P

FET N-CH(SMD)

2N7002  SOT-23       FAIRCHILD

Q114

RC

1

230

N/A

2360609496P

FET N-CH (EOL)

2N7002G  SOT-23        Pyramis

Q113

RA

1

231

N/A

2360609096P

FET N-CH(SMD)

2N7002K  SOT-23        PHILIPS

Q113

RB

1

232

N/A

2360607696P

FET N-CH(SMD)

2N7002  SOT-23       FAIRCHILD

Q113

RC

1

233

E-Q-0402-1087

2360301896P

XISTOR NPN R SMD

MMBT3904LT1G-LR  SOT-23    LRC

Q111

RA

1

234

E-Q-0402-1624

2360301696P

XISTOR NPN R SMD

PMBS3904  SOT-23       PHILIPS

Q111

RB

1

235

E-Q-0402-1180

2360301296P

XISTOR NPN R SMD

MMBT3904-F  SOT23       DIODES

Q111

RC

1

236

E-Q-0402-1608

2360300896P

XISTOR NPN R SMD

MMBT3904K  SOT-23    FAIRCHILD

Q111

RD

1

237

N/A

2360302196P

XISTOR NPN R SMD

MMBT3904LT1G  SOT-23        ON

Q111

RE

1

238

E-Q-0402-1087

2360301896P

XISTOR NPN R SMD

MMBT3904LT1G-LR  SOT-23    LRC

Q103

RA

1

239

E-Q-0402-1624

2360301696P

XISTOR NPN R SMD

PMBS3904  SOT-23       PHILIPS

Q103

RB

1

240

E-Q-0402-1180

2360301296P

XISTOR NPN R SMD

MMBT3904-F  SOT23       DIODES

Q103

RC

1

241

E-Q-0402-1608

2360300896P

XISTOR NPN R SMD

MMBT3904K  SOT-23    FAIRCHILD

Q103

RD

1

242

N/A

2360302196P

XISTOR NPN R SMD

MMBT3904LT1G  SOT-23        ON

Q103

RE

1

243

E-Q-0402-1087

2360301896P

XISTOR NPN R SMD

MMBT3904LT1G-LR  SOT-23    LRC

Q102

RA

1

244

E-Q-0402-1624

2360301696P

XISTOR NPN R SMD

PMBS3904  SOT-23       PHILIPS

Q102

RB

1

245

E-Q-0402-1180

2360301296P

XISTOR NPN R SMD

MMBT3904-F  SOT23       DIODES

Q102

RC

1

246

E-Q-0402-1608

2360300896P

XISTOR NPN R SMD

MMBT3904K  SOT-23    FAIRCHILD

Q102

RD

1

247

N/A

2360302196P

XISTOR NPN R SMD

MMBT3904LT1G  SOT-23        ON

Q102

RE

1

248

E-Q-0402-1087

2360301896P

XISTOR NPN R SMD

MMBT3904LT1G-LR  SOT-23    LRC

Q101

RA

1

249

E-Q-0402-1624

2360301696P

XISTOR NPN R SMD

PMBS3904  SOT-23       PHILIPS

Q101

RB

1

250

E-Q-0402-1180

2360301296P

XISTOR NPN R SMD

MMBT3904-F  SOT23       DIODES

Q101

RC

1

251

E-Q-0402-1608

2360300896P

XISTOR NPN R SMD

MMBT3904K  SOT-23    FAIRCHILD

Q101

RD

1

252

N/A

2360302196P

XISTOR NPN R SMD

MMBT3904LT1G  SOT-23        ON

Q101

RE

1

253

E-Q-0402-1607

2360100596P

XISTOR PNP R SMD

MMBT3906-NL  SOT23   FAIRCHILD

Q100

RA

1

254

E-Q-0402-1607

2360100796P

XISTOR PNP R SMD

MMBT3906-F  SOT-23      DIODES

Q100

RB

1

255

N/A

2360100696P

XISTOR PNP R SMD

PMBS3906  SOT-23       PHILIPS

Q100

RC

1

256

N/A

2360100896P

XISTOR PNP R SMD

MMBT3906LT1G  SOT-23        ON

Q100

RD

1

257

E-Q-0402-1375

2360100396P

XISTOR PNP R SMD

MMBT3906-7  SOT23       VISHAY

Q100

RE

1

ViewSonic Corporation

                                                         

Confidential - Do Not Copy

       

N

3250

w

b

-1

G

 

72

Содержание N3250wb-1G

Страница 1: ...Service Manual ViewSonic N3250wb 1G Model No VS11752 1G 32 LCD TV N3250wb 1G_SM Rev 1a May 2007 ViewSonic 381 Brea Canyon Road Walnut California 91789 USA 800 888 8583 ...

Страница 2: ...ny 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 Da...

Страница 3: ...cuit Description 17 5 Adjustment Procedure 18 6 Trouble Shooting Flow Chart 42 7 Block Diagram 45 8 Schematic Diagrams 46 9 PCB Layout Diagrams 58 10 Exploded Diagram And Exploded Parts List 66 11 Recommend Spare Parts List 69 ViewSonic Corporation Confidential Do Not Copy N3250wb 1G ii 2 Specification 4 ...

Страница 4: ...r 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 Assembly 8 Do not press the reflector she...

Страница 5: ... or the front cover of the monitor 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 ViewSonic Corporation Confidential Do Not Copy N3250wb 1G 2 ...

Страница 6: ...lace 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 N3250wb 1G 3 ...

Страница 7: ...mary 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 provided by LG TAPQ S701D and LG TAPE S701D for PAL SECAM The following table defines this tuner specification Parameter Sp...

Страница 8: ...ontal 30 80K Hz Vertical 50 75 Hz 16 M 3 Audio Audio amp of this product shall be provided by YAMAHA with a Model Number of YDA138 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 Phone Jack out Tuner Input Base band Input Speaker Power Output Max Rating...

Страница 9: ...Supply Missing Cycle Immunity Function properly without reset or visible screen artifact when cycle of AC Power is randomly missing Power Supply Acoustics Power supply shall not produce any audible noise during startup and normal operation Audible shall define to be in compliance with ISO 7779 DIN EN27779 1991 Power Switch noise shall be Excluded Efficiency 70 full load nominal line Leakage Curren...

Страница 10: ...o 100 Fresh Tone Adjust the skin from shallow to deep Color Temp Select the color temperature between warm Normal or cool Reset Reset Picture Function setting Bass Adjust the Low Frequency from light to heavy Treble Adjust the Hi Frequency from light to heavy Balance Adjust the Speaker output from left to right Equalizer To adjust the Equalizer Function setting Reset Reset Sound Function setting A...

Страница 11: ...fication 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 400mmx200mm VESA high hole n 6 M6 x 10mm pitch 1 0mm screw mounting kit not included Sample Sample of t...

Страница 12: ...st a highlighted control while in OSD menu Menu Turn OSD menu ON OFF CH Down Channel down when source is at TV or select a control while in OSD menu CH Up Channel up when source is at 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 9 ViewSonic Corporation Confidential Do Not Copy N32...

Страница 13: ...VCD to this port Composite Video input Connect other devices such as DVD or VCD to this port PC Audio input Connect this port to PC line out jack Audio Input for YPbPr Components Connect external audio to this port left right Audio Input for AV or S Video Components Connect external audio to this port left right Audio output left right Connect external speaker into this jack RF Antenna Cable TV In...

Страница 14: ...Remote Control ViewSonic Corporation Confidential Do Not Copy N3250wb 1G 11 ...

Страница 15: ...me up or down 10 UP DOWN LEFT RIGHT ENTER UP DOWN LEFT RIGHT Select or adjust the function of OSD ENTER Enter the function setting 11 INPUT Select input source 12 MUTE Volume mute ON OFF 13 TV Swap between TV Swap to TV when in other source 14 PICTURE Select situation mode for picture 15 WIDE Aspect ratio used to select image size 16 RETURN Return to previous channel 17 PROGRAM UP DOWN Select up o...

Страница 16: ... Temp To select the screen colour temperature between Normal Warm and Cool Reset Press ENTER to reset all the settings in Picture page Sound Menu To adjust sound It is active in all input sources Bass To adjust the bass It is only active when sound mode is in User condition Treble To adjust the treble it is only active when sound mode is in User condition Balance To adjust left and right audio bal...

Страница 17: ... when turning on your TV next time China TV system PAL D K Manual Store The function is to give a minute search for possible existing channels and store them in memory 1 Press or to get into Manual Store 2 Move the cursor to Prog No and select the desired channel position with 3 Move your cursor to Search and search the detectable channels with 4 Move your cursor to Fine Tune and adjust the pictur...

Страница 18: ... is PC HDMI PC the controls of H Position and V Position are disabled PC Menu to Adjust for PC It is only active in PC and HDMI support PC mode When input source is PC When input source is HDMI PC mode Auto Adjust Auto adjust picture s horizontal position vertical position fine tune and H Size with Contrast To adjust foreground luminance of video Brightness To adjust background luminance of video H...

Страница 19: ...n V Position Clock and Phase are disabled Colour Mode To adjust colour temperature OSD Menu To setup OSD window It is active in all input sources H Position To adjust the OSD horizontal position with V Position To adjust the OSD vertical position with Duration To automatically shut off the OSD after a preset period of time passed Use to preset the time from 5 to 60 seconds Reset Press ENTER to res...

Страница 20: ...w to 4ohm load with 12v supply voltage Using SCL SDA digital contral interface AD8256A provides sound processing functions including volume bass treble EQ Mixing and Dynamic Range control TUNER FEATURES Multi standard TV Systems broadcast reception Especially developed for LCD TV PDP application New input configuration resurts in best in class noise Figure typically 5 5dB in UHF True 5 v device Fu...

Страница 21: ...RATURE ADJUSTING PC MODE A Timing 1280X1024 75Hz B Pattern 16 gray C Set CA110 color analizer at the center of screen and along a perpendicular to the screen at 20cm from the display D Press menu key select the OSD page on INPUT SELECT and select MAIN VGA E Press menu key change the OSD page to adjust page F Press key to select the WHITE BALANCE item in the factory mode and press enter key then th...

Страница 22: ...O 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 the action of AUDIO IN is right D Under YPbPr MODE input L R AUDIO signal checks whether the action of AUDIO IN is right E Under HDMI MODE checks whether the action of AUDIO IN is right F AUDIO OUT FUNCTION TE...

Страница 23: ... 239 247 240 25 246 75 278 25 32 662 670 663 25 669 75 701 25 Z 11 247 255 248 25 254 75 286 25 33 670 678 671 25 677 75 709 25 Z 12 255 263 256 25 262 75 294 25 34 678 686 679 25 685 75 717 25 Z 13 263 271 264 25 270 75 302 25 35 686 694 687 25 693 75 725 25 Z 14 271 279 272 25 278 75 310 25 36 694 702 695 25 701 75 733 25 Z 15 279 287 280 25 286 75 318 25 37 702 710 703 25 709 75 741 25 Z 16 287...

Страница 24: ...ITY is normal D P3 Under main sub main sub mode check sub function E P4 Examines whether the sound does receive the image disturbance Judgment basis Whether there is unusual sound F P5 Check T1 of close caption Input signal level 45dBu G P7 Adjustment attenuator If the critical point of the change of the image signal to noise ratio is under LEVEL 60dBu regards as normally TIMING TABLE FACTORY PRES...

Страница 25: ...24ms V Border 0 000ms 0 000ms 0 000ms 0 000ms H V Sync Interlace No No No No TIMING TABLE FACTORY PRESET MODE TABLE 3 ITEM 9 10 11 12 TIMING 1360 768 60HZ 1280 1024 60HZ Pixel Rate 85 5MHZ 108MHZ H TOTAL 20 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 5...

Страница 26: ...on 2 1 Equipment Needed N3250WB G LCD TV Fixture for Firmware Upgrade VGA Cable PC Personal Computer Firmware Upgrade Program One additional LCD TV for checking the program execution 2 2 Connection PC to the Tv set by the tool as the follow picture pc1 pc4 Action The D_SUB cable must be 15 pin and the TV set must be AC ON pc 1 pc 2 pc3 ViewSonic Corporation Confidential Do Not Copy N3250wb 1G 23 ...

Страница 27: ...onfig if the the ISP board have been found you will see the picture as bellow pc 6 3 Press the Connect If all the things are ok and ready it will show the device type as the bellow picture Than pres 確定 pc 7 ViewSonic Corporation Confidential Do Not Copy N3250wb 1G 24 ...

Страница 28: ... ISP When the ISP is ok you will see the information as the bellow picture pc 9 5 Pull away the AC power Cord and the D SUB Cable And start another TV set When we start another TV set with AC ON we only need to press the RUN ViewSonic Corporation Confidential Do Not Copy N3250wb 1G 25 ...

Страница 29: ...onform to the LCD TV you have to do the DDC key in 3 1 Equipment Needed N3750W G LCD TV DDC Card PC RS 232 cable Barcode Reader VGA Cable N3250WB G LCD TV DDC Card PC RS 232 Cable VGA Cable Barcode Reader 3 2 Setup Procedure 3 2 1 Connect VGA Card and DDC Card with RS 232 cable ViewSonic Corporation Confidential Do Not Copy N3250wb 1G 26 ...

Страница 30: ... Card and N3250WB G LCD TV with VGA Cable when key in DVI DDC information use VGA transform to DVI port 3 2 4 Connect Power Cord to N3250WB G 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 N3250wb 1G 27 ...

Страница 31: ...3 3 3 Press ENTER key 3 3 4 Press F4 key ViewSonic Corporation Confidential Do Not Copy N3250wb 1G 28 ...

Страница 32: ...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 N3250wb 1G 29 ...

Страница 33: ...e different EDID into each HDMI connector 4 1 Equipment Needed N3250WB G LCD TV PC RS 232 cable Barcode Reader HDMI Cable N3250WB G LCD TV PC RS 232 Cable HDMI Cable Barcode Reader 4 2 Setup Procedure 4 2 1 Connect HDMI Card and DDC Card with RS 232 cable ViewSonic Corporation Confidential Do Not Copy N3250wb 1G 30 ...

Страница 34: ...keyboard port 4 2 3 Connect DDC Card and N3250WB G LCD TV with HDMI Cable 4 2 4 Connect Power Cord to N3250WB G LCD TV 4 3 DDC Key In Procedure 4 3 1 Run DDC exe 4 3 2 Choose model number then ViewSonic Corporation Confidential Do Not Copy N3250wb 1G 31 ...

Страница 35: ...4 3 3 Press ENTER key 4 3 4 Press F4 key ViewSonic Corporation Confidential Do Not Copy N3250wb 1G 32 ...

Страница 36: ...4 3 5 Input bar code 4 3 6 Press ENTER key then the successful picture is as follows DDC DOWNLOED OK 4 3 7 Exit program ViewSonic Corporation Confidential Do Not Copy N3250wb 1G 33 ...

Страница 37: ...he 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 Copy...

Страница 38: ...7P POLYETHY BAG 1 8 DC 00008434 2001131777P OWNER GUIDE 1 9 DC 00008435 2002310666P GUARANT CARD QSG 1 10 N A 2427130145P AC POWER CORD 1 11 CB 00003425 2427701893P RCA CABLE 1 12 CB 00006023 2427751801P RF CABLE 1 13 A VC 0101 0386 2427501187P VGA CABLE 1 14 P 00004497 2011100017P CARTON BOX 1 15 P 00008488 2011132802P CARTON BOX 1 16 N A 2055632260P LABEL 1 17 A 00008045 2005100500P BATTERY 2 18...

Страница 39: ... TV 1 1 Unscrew 9 screws to remove Rear Cover 2 Disassembly of Main Board Power Board IR Board KeyPad Board Front Cover and Panel Unit 2 1 Unscrew 2 screws to remove Dust Cover Rear Cover Dust Cover ViewSonic Corporation Confidential Do Not Copy N3250wb 1G 36 ...

Страница 40: ...2 2 Unscrew 14 screws to remove Shield Plate 2 2 Unscrew 11 screws to remove METAL FITTG I O Side and METAL FITTG I O Down Shield Plate ViewSonic Corporation Confidential Do Not Copy N3250wb 1G 37 ...

Страница 41: ...2 3 Unscrew 4 screws and disconnect the wires to remove Main Board METAL FITTG I O Side METAL FITTG I O Down Main Board ViewSonic Corporation Confidential Do Not Copy N3250wb 1G 38 ...

Страница 42: ...ew 4 screws and disconnect the wires to remove Power Board 2 5 Unscrew 3 screws and disconnect the wires to remove KeyPad Board Power Board Key Board ViewSonic Corporation Confidential Do Not Copy N3250wb 1G 39 ...

Страница 43: ...2 6 Unscrew 2 screws to remove IR Board 2 7 Unscrew 5 screws to remove Front Cover Front Cover ViewSonic Corporation Confidential Do Not Copy N3250wb 1G 40 ...

Страница 44: ...2 8 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 N3250wb 1G 41 ...

Страница 45: ...board Check wireharness p703 Replace Power Board NO NO NO NO YES YES YES Check P101 pin 5 6 Is 12v Remove p101 Check 12v 5v Check I117 is working Replace X100 I101 I102 I103 I104 Check p113 pin 2 is 5v ViewSonic Corporation Confidential Do Not Copy N3250wb 1G 42 ...

Страница 46: ...117 pin 41 47 R116 R119 R136 R138 Check I117 pin 16 28 Check I117 I118 I115 R119 R202 R207 Check I117 pin 55 50 51 Check R286 287 292 293 Check R317 R318 R321 C345 C346 C349 Check I117 pin29 39 Replace I115 Check I115 pin 12 6 2 NO VOICE ViewSonic Corporation Confidential Do Not Copy N3250wb 1G 43 ...

Страница 47: ...has signal Check I117 pin 33 has signal Check I117 is working Replace X100 Replace I117 Check I117 PIN197 208 has output signal Check R189 R191 R190 R192 Check I117 pin 41 47 Check I115 R207 Check I117 pin 51 Check I117 I118 R119 R202 Check I117 pin 55 50 has signal 6 3 NO DISPLAY ViewSonic Corporation Confidential Do Not Copy N3250wb 1G 44 ...

Страница 48: ...standby 5V V25MVDD for DDR 128Mb V33 for scaler digital 3 3V 3V3AVDD for scaler AVDD VCC1V8 for scaler VDDC SCART 2 AUDIO OUT SV RCA AUDIO OUT AV TV_CVBS YPbPr PC audio in MST96889 VGA 10W 2 video audio in SCART 1 AUDIO OUT SCART 2 SCART 1 12V for audio and panel_vcc TMDS341 HDMI HDMI 2 HDMI 1 PAL Tuner SIF AD8256 8 16 DDR 24C32 24C04 PANEL LVDS OUT PANEL ONOFF PBACK ONOFF ADJ PWM ViewSonic Corpor...

Страница 49: ...5 0 1U C106 1U 0805 C109 0 1U C159 470U 16V C101 0 1U E B C SOT 23 Q103 MMBT3904 1 3 2 C150 0 1U C108 220U 16V C138 0 1U C154 0 1U C148 10U 50V C136 0 1U R102 2 4K C145 0 1U C164 0 1U E B C SOT 23 Q102 MMBT3904 1 3 2 OUT ADJ IN I104 AP1084K18A TO263 1 8V Regulator TO 263 3 2 1 4 C107 1000U 16V LowESR C118 0 1U ADJ OUT IN I101 AIC117 2 5V SOT223 3 2 1 4 I100 AP9435M 1 8 2 7 3 6 4 5 S D S D S D G D ...

Страница 50: ...R138 100 C177 0 1U R149 0 C167 47n R137 2 2K C169 47n R136 100 D104 5 6V D107 5 6V 1 2 R125 47 R121 75 C171 47n D139 1N4148WS 1 2 R152 NC 10K R150 100 R119 470 D100 5 6V 1 2 R118 47 D106 1N4148WS 1 2 R151 100 C168 47n I106 24C21A 1 2 3 4 5 6 7 8 NC NC NC GND SDA SCL VCLK VCC R120 75 R142 3 3K C176 0 1U D103 BAV99 3 1 2 R419 10K D108 5 6V 1 2 P102 DSUB 15 1 6 2 7 3 8 4 9 5 11 12 13 14 15 10 R139 2 ...

Страница 51: ... 100K R563 10K C470 NC 10P ESD R180 47K R179 NC 47K C469 NC 10P ESD I124 24C22 SMD 1 2 3 4 5 6 7 8 NC1 NC2 NC3 GND SDA SCL VCLK VCC C471 NC 10P ESD C0603 C473 0 01U D119 5 6V Zener_SMD 1 2 D116 SM17 Zener_SMD 1 2 R183 100K R0603 R188 4 7K R0603 R516 0 R424 4 7K R515 0 R182 100 HDMI 19 P104 HDMI19P 1 3 5 7 9 11 13 15 2 6 8 10 14 4 12 16 17 19 18 RX2 RX2 GND RX0 RX0 GND CEC SCL GND RX1 GND RXC NC RX...

Страница 52: ... R190 47 R207 47 C199 47n C198 47n R421 0 L120 2 2uH C208 NC 330P C200 1n C207 47n R192 470 R196 47 C211 47n P106 S VIDEO Jack 2PJ 4018 001 3 4 2 1 5 C204 47n C215 NC 330P D140 NC 1N4148WS 1 2 L115 2 2uH C201 NC 10P D126 5 6V 1 2 C212 NC 330P R193 NC 75 R211 75 R189 47 D141 NC 1N4148WS 1 2 D127 5 6V 1 2 R203 75 C214 NC 330P L124 2 2uH R205 47 R191 47 C205 47n R195 NC 75 D128 5 6V 1 2 L122 2 2uH C2...

Страница 53: ... L166 R201 0805 L0805 C505 4 7U 50V C236 4 7U 50V R621 NC 1K R219 22K R222 1K C506 330P R225 22K L128 R121 0603 R617 NC 47 C227 4 7U 50V R223 10K A B P117 NC 2SJ ST30 003 10 11 12 13 14 1 9 8 6 5 4 3 2 7 C504 560P L169 R121 0603 L127 R121 0603 C224 4 7U 50V C623 NC 47U 16V L167 R201 0805 L0805 C225 330P C240 330P C626 NC 0 1U C508 4 7U 50V L168 R121 0603 R553 10K C621 NC 1n C231 1000P C624 NC 47U ...

Страница 54: ...5 22K R614 0R C601 1000uF 35V R606 10K C655 0 33uF 63V C632 NC 0 1U C509 0 01U C605 4 7uF 50V R615 NC 10K R605 100K C610 1U 0805 R625 NC 1K C614 4 7uF 50V I601 YDA138 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 30 31 32 17 18 19 20 21 42 36 35 34 33 HPOR AVSS VSSBGR VREFR INR MUTEN PVDDPR OUTPR PVSSR PVSSR PVSSR PVSSR PVSSR OUTMR PVDDMR PROTN HP INL VREFL PVDDREG ...

Страница 55: ...12 13 14 DGND LRCLK DIN BCLK MUTE VOUTR AGND CAP AVDD VOUTL DEEMPH FORMAT MCLK DVDD C444 47U 16V R630 22R R540 1K C641 0 1uF C650 NC R626 22R C646 10uF R632 10K C497 0 1U R629 22R R631 10K C652 10uF C642 10uF R636 5K C498 0 1U R637 100 C635 0 1uF R628 22R C640 10uF C654 NC C638 22pF C651 10uF C500 10U 50V R635 5K R538 NC 0 C637 22pF C643 330pF C644 0 1uF C639 22pF C501 10U 50V C648 100pF L607 0R 0...

Страница 56: ...R279 NC 2 2K R270 NC 3K C298 NC C303 NC 330P C311 NC 47U 16V C294 47U 16V C304 NC 330P C312 NC 100P L144 R201 0805 R474 0 R282 NC 0 C305 47n C297 NC L148 4 7uH C300 0 1U R283 NC 10K C301 47U 16V R479 NC 12K L145 2mH R273 47 R267 NC 2 2K R271 47 R477 0 R272 75 I115 Tuner FQ1216_MK3 1 2 3 11 12 13 14 18 15 16 17 4 5 6 9 10 NC AGC NC Monitor VCC SIF CVBS VCC IF AF O P CHASSIS CHASSIS CHASSIS CHASSIS ...

Страница 57: ...0 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 61 62 60 63 66 67 68 69 70 71 72 75 80 82 88 89 90 91 92 93 94 95 96 252 98 242 100 101 102 103 104 105 107 108 109 110 131 132 113 114 115 116 117 118 119 120 121 122 123 124 125 126 127 111 112 128 129 130 256 134 135 136 137 138 139 140 141 142 143 106 224 195 147 148 149 150 1...

Страница 58: ...91 0 1U 7 5 3 1 8 6 4 2 RP12 RP100X4 C400 0 1U R382 150R 1 7 5 3 1 8 6 4 2 RP13 RP100X4 C403 0 1U R378 100 C402 0 1U R385 1K C398 0 1U C392 NC R380 100 7 5 3 1 8 6 4 2 RP14 RP100X4 L156 R201 0805 L0805 7 5 3 1 8 6 4 2 RP11 RP100X4 C397 0 1U C396 0 1U C399 0 1U L157 R201 0805 L0805 I120 DDR_128Mb_TSOP66 29 30 31 32 35 36 37 38 39 40 28 41 2 4 5 7 8 10 11 13 54 56 57 59 60 62 63 65 26 27 24 23 22 21...

Страница 59: ...G4 P11 DIG6 P11 DIG5 P11 DIG3 P11 DIG7 P11 R_LED P11 G_LED P11 5VSB V33 V33 C409 0 1U P113 6P_2mm 1 2 3 4 5 6 R391 4 7K 7 5 3 1 8 6 4 2 RP15 RP4 7KX4 C404 0 1U R393 22 R387 680 C410 0 1U R386 47 P114 7P_2mm 1 2 3 4 5 6 7 Q119 MMBT3906 1 2 3 C411 0 1U R493 100 C408 0 1U C406 0 1U Q120 MMBT3906 1 2 3 C405 47U 16V R388 680 1 2K C413 0 1U R389 1K R390 4 7K 7 5 3 1 8 6 4 2 RP16 RP4 7KX4 C412 0 1U C407 ...

Страница 60: ...10U CE025050 R524 NR RES CHIP 1 10W 222J 0603 2253222296 R0603 1 2 R546 NC 4 I128 NC NDS4405 4 7 1 2 3 8 6 5 L179 NC 200 2A L0805 R522 10K R0603 1 2 P115 CON 2X15 2mm 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 R521 47K RES CHIP 1 10W 222J 0603 2253222296 1 2 R545 NC R552 0R C502 0 1U R549 NC R543 NC L178 CHOKE L075C080 C480 0 1U C485 0 1U R542 NC R547 NC C484 ...

Страница 61: ...9 PCB Layout Diagrams 9 1 MAIN PCB TOP VIEW ViewSonic Corporation Confidential Do Not Copy N3250wb 1G 58 ...

Страница 62: ...9 2 MAIN PCB BOTTOM VIEW ViewSonic Corporation Confidential Do Not Copy N3250wb 1G 59 ...

Страница 63: ...9 3 CON PCB TOP VIEW ViewSonic Corporation Confidential Do Not Copy N3250wb 1G 60 ...

Страница 64: ...9 4 CON PCB BOTTOM VIEW ViewSonic Corporation Confidential Do Not Copy N3250wb 1G 61 ...

Страница 65: ...9 5 IR PCB TOP VIEW ViewSonic Corporation Confidential Do Not Copy N3250wb 1G 62 ...

Страница 66: ...9 6 IR PCB BOTTOM VIEW ViewSonic Corporation Confidential Do Not Copy N3250wb 1G 63 ...

Страница 67: ...9 7 P BUTTON PCB TOP VIEW ViewSonic Corporation Confidential Do Not Copy N3250wb 1G 64 ...

Страница 68: ...9 8 P BUTTON PCB BOTTOM VIEW ViewSonic Corporation Confidential Do Not Copy N3250wb 1G 65 ...

Страница 69: ...10 Exploded View And Exploded Parts List ViewSonic Corporation Confidential Do Not Copy N3250wb 1G 66 ...

Страница 70: ...ViewSonic Corporation Confidential Do Not Copy N3250wb 1G 67 ...

Страница 71: ...M VESA SUPPORT 1 26 N A 2082630042P 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 2022273102P CABI BACK 32R ABS HB BLACK X4U C 1 33 N...

Страница 72: ...5002P W903 21 Accessory Box Carton 360X220X50mm B P 00004497 2011100017P 6P85 22 Polyethy Bag P 00005968 2013054007P 6P60 23 Top Right EPS Polyfoam P 00008435 2012199940P 6P20 24 Top Left EPS Polyfoam P 00008436 2012199950P 6P21 25 Down Right EPS Polyfoam P 00008437 2012199960P 6P22 26 Down Left EPS Polyfoam P 00008438 2012199970P 6P23 27 Polybag P 00008477 2013054013P 6P70 28 Craft Box P 00008488...

Страница 73: ... 42 E R 0405 6411 2253210396P RES CHIP 1 10W RC 0603 1 10W 10Kohm J T R608 1 43 E R 0405 6411 2253210396P RES CHIP 1 10W RC 0603 1 10W 10Kohm J T R607 1 44 E R 0405 6411 2253210396P RES CHIP 1 10W RC 0603 1 10W 10Kohm J T R606 1 45 N A 2253210496P RES CHIP 1 10W RC 0603 1 10W 100Kohm J T R605 1 46 E R 0405 6411 2253210396P RES CHIP 1 10W RC 0603 1 10W 10Kohm J T R603 1 47 E R 0405 6411 2253210396P...

Страница 74: ...26 E R 0405 6601 2253210596P RES CHIP 1 10W RC 0603 1 10W 1 0Mohm J T R346 1 127 N A 2253224396P RES CHIP 1 10W RC 0603 1 10W 24Kohm J T R345 1 128 E R 0405 6600 2253200096P RES CHIP 1 10W RC 0603 1 10W 0 ohm J T R344 1 129 E R 0405 6409 2253210196P RES CHIP 1 10W RC 0603 1 10W 100 ohm J T R343 1 130 E R 0405 6416 2253233296P RES CHIP 1 10W RC 0603 1 10W 3 3Kohm J T R342 1 131 E R 0405 6416 225323...

Страница 75: ... 1624 2360301696P XISTOR NPN R SMD PMBS3904 SOT 23 PHILIPS Q132 RB 1 214 E Q 0402 1180 2360301296P XISTOR NPN R SMD MMBT3904 F SOT23 DIODES Q132 RC 1 215 E Q 0402 1608 2360300896P XISTOR NPN R SMD MMBT3904K SOT 23 FAIRCHILD Q132 RD 1 216 N A 2360302196P XISTOR NPN R SMD MMBT3904LT1G SOT 23 ON Q132 RE 1 217 E Q 0402 1607 2360100596P XISTOR PNP R SMD MMBT3906 NL SOT23 FAIRCHILD Q120 RA 1 218 E Q 040...

Страница 76: ...7 1 300 E 00003533 2379520196P BEAD HI CURRENT Z 200 ohm 0805 I 2 0A L156 1 301 N A 2377447996P INDUCTOR CHIP MULTI LAYER 4 7uH 0603 K T L148 1 302 E 00003533 2379520196P BEAD HI CURRENT Z 200 ohm 0805 I 2 0A L146 1 303 N A 2371132900P COIL CHOKE JD177P3 0 3 121 5 600uH L145 1 304 E 00003533 2379520196P BEAD HI CURRENT Z 200 ohm 0805 I 2 0A L144 1 305 N A 2379512106P BEAD HI CURRENT Z 120 ohm 0603...

Страница 77: ... 391 E D 0403 2808 2364505616P DIODE ZENER SMD TZMC5V6 SOD 80 5 2 6 0V VISHAY D128 RB 1 392 E D 0403 1666 2364500396P DIODE ZENER SMD RLZ5 6B 5 45 5 73V LL 34 ROHM D128 RC 1 393 E D 0403 1779 2364503996P DIODE ZENER SMD BZV55 C5V6 5 SOD 80C PHILIPS D127 RA 1 394 E D 0403 2808 2364505616P DIODE ZENER SMD TZMC5V6 SOD 80 5 2 6 0V VISHAY D127 RB 1 395 E D 0403 1666 2364500396P DIODE ZENER SMD RLZ5 6B ...

Страница 78: ...513P CAP ELE 105 C EC 4 7u 50V 5 11 P 2 5 T C605 1 474 N A 2347122496P CAP CHIP CS 0805 X7R 50V 0 22u K T C604 1 475 N A 2347122496P CAP CHIP CS 0805 X7R 50V 0 22u K T C603 1 476 E 00008342 2346110496P CAP CHIP CS 0603 X7R 50V 0 1u K T C602 1 477 N A 2333510801P CAP ELE 105 C EC 1000u 35V13 25 P 5 0 C C601 1 478 E C 0404 4424 2346110396P CAP CHIP CS 0603 X7R 50V 0 01u K T C510 1 479 E C 0404 4424 ...

Страница 79: ...P ELE 105 C EC 4 7u 50V 5 11 P 2 5 T C227 1 560 N A 2341156196P CAP CHIP TEMPERATURE 125 C CS 0603 COG 50V 560p J T C226 1 561 N A 2341133196P CAP CHIP TEMPERATURE 125 C CS 0603 COG 50V 330p J T C225 1 562 N A 2333647513P CAP ELE 105 C EC 4 7u 50V 5 11 P 2 5 T C224 1 563 E 00008342 2346110496P CAP CHIP CS 0603 X7R 50V 0 1u K T C222 1 564 E 00008342 2346110496P CAP CHIP CS 0603 X7R 50V 0 1u K T C22...

Страница 80: ... 0404 3096 2335310812P CAP ELE LOW ESR 105 C EC 1000u 16V 10 20 P 5 0 K C107 1 648 N A 2347210596P CAP CHIP CS 0805 X7R 25V 1 0u K T C106 1 649 E 00000999 2336347613P CAP MINI ELE 105 C EC 47u 16V 5 7 P 2 5 T C105 1 650 N A 2347210596P CAP CHIP CS 0805 X7R 25V 1 0u K T C104 1 651 E 00008342 2346110496P CAP CHIP CS 0603 X7R 50V 0 1u K T C103 1 652 N A 2336322713P CAP MINI ELE 105 C EC 220u 16V 8 7 ...

Страница 81: ...2084740102P SCREW BND T M4X10 BND T 1F22 5 720 N A 2082740082P SCREW BND M4X8 BND 1F21 4 721 N A 2071986000P METAL FITTG 32R SECC T 1 0mm 1 6 7 4U C 1F20 1 722 N A 2051356500P NAME PLATE 24 6 17MM E015 009 W BIRDS PC 1F14 1 723 N A 2051355700P NAME PLATE 57 9 1MM ELECTOR LABEL N3251W 1F13 1 724 M SCW 0824 0285 2084730082P SCREW BND T M3X8 BND T 1F12 2 725 N A 2044272801P FUNCTION KEY 32V POWER KEY...

Страница 82: ...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 Title...

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