ViewSonic N3752w-1M Service Manual Download Page 64

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8.9. INPUT SOURCE

YPBPR AUDIO IN

S-VIDEO/AV IN

S-VIDEO/AV AUDIO IN

YPBPR/AV Input.

YPBPR VIDEO IN

YPBPR/AV/S
AUDIO Input.

SVIDEO Input.

SY0_IN

AVSC0

YPBPR0L_IN

AVSC0

AV0SY0R_IN

AVSOY0

AVPR0N

AVPB0P

YPBPR0R_IN

SC0_IN

AV0_GND

AVPR0P

PB_GND

AVPB0P

PR0_IN

AVCVBS1

AVPB0N

AVSOY0

SC0_GND

AVY0P

AVY0N

AVPB0N

AV0SY0L_IN

AVSY0

AVCVBS1

AVY0P

AVPR0P

AV0SY0R_IN

PB0_IN

YPBPR0R_IN

YPBPR0L_IN

PR0_IN

PB0_IN

Y0_IN

AV0_IN

GNDA

YPBPR0R_IN

YPBPR0L_IN

AV0_SY0R_IN

AV0_SY0L_IN

SY0_IN

SC0_IN

SY0_GND

AVY0N

Y_GND

Y0_IN

AVPR0N

PR_GND

AV0_IN

AVSC0

AV0SY0R_IN 19

YPBPR0L_IN 19

AVPR0P

AVY0N

AVSY0

AVPB0N

AVCVBS1

YPBPR0R_IN 19

AV0SY0L_IN 19

AVPB0P

AVY0P

AVSOY0

AVPR0N

AV0SY0L_IN 19

AV0SY0R_IN 19

YPBPR0L_IN 19

YPBPR0R_IN 19

L817
2.2uH

R534

D810

10p

D104

(NC)5.6V

R194
75

P103

S_TERMINAL1

6/1

8/2

4/7

R185

R195
100K

R201
75

L816

2.2uH

R187
100K

R535

R189
100K

D809

10p

D102

(NC)5.6V

C354
0.01U

R536

L818

2.2uH

C355
0.01U

R188
75

R533

D101

(NC)5.6V

D808

10p

R537

L819

2.2uH

P101

AV1/YPbPr1

R204
75

R192
100K

C356
0.01U

D805

10p

L820

2.2uH

D807

10p

R538

R198
75

P102

AUDIO R/L_IN1

D806

10p

C357
0.01U

R197

D106

(NC)5.6V

R203

L821

2.2uH

R191
75

R200

ViewSonic Corporation

Confidential - Do Not Copy

N3752w-1M

Summary of Contents for N3752w-1M

Page 1: ...Service Manual ViewSonic N3752w 1M Model No VS11405 1M 37 LCD TV N3752w 1M_SM Rev 1a Oct 2006 ViewSonic 381 Brea Canyon Road Walnut California 91789 USA 800 888 8583...

Page 2: ...d specifically disclaims any warranty of merchantability or fitness for any particular purpose Further ViewSonic reserves the right to revise this publication and to make changes from time to time in...

Page 3: ...uit Description 20 5 Adjustment Procedure 24 6 Trouble Shooting Flow Chart 48 7 Block Diagram 52 8 Schematic Diagrams 53 9 PCB Layout Diagrams 79 10 Exploded Diagram And Exploded Parts List 85 11 Reco...

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...

Page 5: ...touch the metal frame of the LCD panel 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...

Page 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 N3752w 1M...

Page 7: ...user 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...

Page 8: ...Audio Audio amp of this product shall be provided by ESMT with a Model Number of 8256A MTK MT8202 for N3752W shall be used as sound processor In addition a pair of speakers shall be integrated within...

Page 9: ...e with ISO 7779 DIN EN27779 1991 Power Switch noise shall be Excluded Efficiency 80 full load nominal line Leakage Current 0 5mA 240VAC Power Saving DPMS N A Recovery Time 3 sec Power Factor Correctio...

Page 10: ...and Left Right for function adjust Enter Enter the function setting Menu On screen display OSD menu ON OFF CH and CH Change channel for TV only Control buttons Play Stop Pause Record Forward Rewind bu...

Page 11: ...lastic 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 num...

Page 12: ...bol are trademarks of Dolby Laboratories Only for DTV source in this model Volume Down Decrease sound volume or adjust a highlighted control while in OSD menu Volume Up Increase sound volume or adjust...

Page 13: ...posite Video input Connect this port to the composite video output of A V device YPbPr signal input Connect this port to the YPbPr output of A V device S Video input Connect this port to the S Video o...

Page 14: ...Remote Control ViewSonic Corporation Confidential Do Not Copy N3752w 1M 11...

Page 15: ...buttons Select desire device M Zoom Adjust window size N WIDE Change aspect ratio O UP DOWN LEFT RIGHT ENTER UP DOWN for OSD function select and LEFT RIGHT for function adjust ENTER Enter the function...

Page 16: ...vid and Hi Bright Audio Menu To set the audio quality and status Audio Menu is active in all input sources Bass To adjust bass Treble To adjust the treble Balance To adjust left and right audio balanc...

Page 17: ...factory default of the password is 0000 To enable parental control input the password press button to focus on OK key and then press ENTER Select Cancel if you want to exit After entering the followi...

Page 18: ...To clear all the locks set before press ENTER The factory default of the password is 0000 To enable parental control input the password press button to focus on OK key and then press ENTER Select Can...

Page 19: ...material that is unsuitable for children under 14 years of age TV G General audience TV MA Mature audience only Color Temperature To select the color temperature from Warm Cold Normal or User If you s...

Page 20: ...y using or ENTER Channel Name Press ENTER to edit a name for the channel appointed Use to select the letters you want and use BackSpace key to delete backwards Move the cursor to OK and then press ENT...

Page 21: ...adjust the horizontal position of the picture V Position To adjust the vertical position of the picture Font Size To select a font size from Large Small or Medium Font Style To select different font s...

Page 22: ...put source for main screen press SOURCES button PIP Size Select Press PIP Size to select the size of sub screen The function only acts on PIP PIP Position Select Press to select the position of sub sc...

Page 23: ...s and route them into Main and PIP data path B 3D comb filter Video Decoder Deinterlacer and Scaling controller MT8202 includes 3D comb filter TV decoder to retrieve the best image from popular compos...

Page 24: ...ctively 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 p...

Page 25: ...UG_POWER MT8293 has 3 I2C interfaces LCD Controller IC use the CSDL CSDA interface to access MT8293 registers MT8293 use KSDL KSDA interface to read HDCP key from the EEPROM HDMI transmitter use DSDL...

Page 26: ...AD12250 converts stereo single ended analog input signals into 24 bit I2S digital audio data through on chip anti aliasing filter multi bit modulator decimation filter and high pass filter which remov...

Page 27: ...ENTER at the same time then go into the FACTORY MODE Fig 1 Fig 2 D Figure 1 Select EEPROM INITIAL and press ENTER The act of EEPROM INITIAL is completed when EEPROM INIT disappeared 1 4 2 COLOR TEMPER...

Page 28: ...input jack both support TV and DTV systems Besides the TV system NTSC and DTV systems ATSC can be found by the scanning of AIR in the AUTO SCAN function B Cable TV Connect the LCD TV to the cable wit...

Page 29: ...487 75 493 75 499 75 505 75 511 75 517 75 523 75 529 75 535 75 541 75 547 75 553 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...

Page 30: ...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 U...

Page 31: ...er 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 mos...

Page 32: ...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 2...

Page 33: ...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...

Page 34: ...conform to the LCD TV you have to do the DDC key in 2 1 Equipment Needed N3752W LCD TV DDC Card PC RS 232 cable Barcode Reader VGA Cable N3752W LCD TV DDC Card PC RS 232 Cable VGA Cable Barcode Reade...

Page 35: ...DDC Card and N3752W LCD TV with VGA Cable when key in DVI DDC information use VGA transform to DVI port 2 2 4 Connect Power Cord to N3752W LCD TV 2 3 DDC Key In Procedure 2 3 1 run DDC exe 2 3 2 Choos...

Page 36: ...3 3 Press ENTER key 2 3 4 Input bar code 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 N3752w 1M 33...

Page 37: ...the different EDID into each HDMI connector 3 1 Equipment Needed N3752W LCD TV PC RS 232 cable Barcode Reader HDMI Cable N3752W LCD TV PC RS 232 Cable HDMI Cable Barcode Reader 3 2 Setup Procedure 3...

Page 38: ...C keyboard port 3 2 3 Connect DDC Card and N3752W LCD TV with HDMI Cable 3 2 4 Connect Power Cord to N3752W LCD TV 3 3 DDC Key In Procedure 3 3 1 Run DDC exe 3 3 2 Choose model number then ViewSonic C...

Page 39: ...3 3 Press ENTER key 3 3 4 Input bar code 3 3 5 Press ENTER key then the successful picture is as follows DDC DOWNLOED OK 3 3 6 Exit program ViewSonic Corporation Confidential Do Not Copy N3752w 1M 36...

Page 40: ...execution N3752W 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 p...

Page 41: ...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 N3752w 1M 38...

Page 42: ...4 5 4 Enable the USB Bridge 4 5 5 Browsing the File to download ViewSonic Corporation Confidential Do Not Copy N3752w 1M 39...

Page 43: ...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 MediaTek contact window if any problem found like unsu...

Page 44: ...e 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 t...

Page 45: ...8807P POLYETHY BAG 1 8 DC 00008104 2001131664P OWNER GUIDE 1 9 DC 00008105 2002310614P GUARANT CARD QSG 1 10 A 00005362 2427130046P AC POWER CORD 1 11 CB 00003425 2427701893P RCA CABLE 1 12 N A 242770...

Page 46: ...st Cover from LCD TV 1 1 Unscrew 4 screws that secure Stand Unit and detach Dust Cover from the LCD TV 2 Disassembly of Rear Cover 2 1 Unscrew 20 screws to remove Rear Cover Stand Dust Cover ViewSonic...

Page 47: ...wer Board IR Board Speaker Front Cover and Panel Unit 3 1 Unscrew 20 screws to remove Shield Plate 3 2 Unscrew 8 screws to remove Speaker Speaker Rear Cover Shield Plate ViewSonic Corporation Confiden...

Page 48: ...3 3 Unscrew 3 screws to remove Bracket Fix 3 4 Unscrew 10 screws and disconnect the wires to remove Main Board Main Board Bracket fix ViewSonic Corporation Confidential Do Not Copy N3752w 1M 45...

Page 49: ...isconnect the wires to remove Power Board 3 6 Unscrew 5 screws to remove METAL FITTG 3 7 Unscrew 2 screws and disconnect the wires to remove KeyPad Board Power Board ViewSonic Corporation Confidential...

Page 50: ...crews to remove Front Cover 3 9 Lay Panel Unit facedown and unscrew 26 screws on its right left up and down sides to remove Panel Bracket Front Cover Panel ViewSonic Corporation Confidential Do Not Co...

Page 51: ...145 No Yes Yes Check I135 is defective Replace I135 Yes Check I136 is defective Replace I136 Yes Check Pin37 of I145 is high Check Earphone circuit Yes Check I145 is defective Replace I145 Yes Check S...

Page 52: ...s Yes Replace I106 I107 START Check X100 is OK Replace I101 Replace I102 No No No Replace IR Board Replace x100 No No Check Wire Connection on power board is OK Replace Power Board Connect the wire Ye...

Page 53: ...is on I804 Pin21 Check Q802 C886 is OK Check I106 has output signal at Pin13 22 of P803 Check the LVDS wire from P803 to panel is OK Replace Q802 or C886 Replace I804 Check L816 R172 R173 C332 C33 4...

Page 54: ...Hz is on Pin4 of I115 Check I106 No Check I114 is defective Replace I114 Yes Check I115 has output signal at RP25 RP30 Replace I115 Yes No Yes Yes No Check I106 has output signal at Pin11 16 and Pin19...

Page 55: ...IR PC D Sub AD12250 A D converter HDMI 2 AD8256 Audio Amp MT5112 Demod LCD Module NTSC HDMI SWITCH AV CVBS MT8202 COMBO Tuner S Video2 MT5351 Mpeg decoder CABLE DDR SDRAM HDMI 1 Speaker 10Wx2 YPbPr HD...

Page 56: ...21 0805 6A C806 0 1U H105 HOLE GND 2 3 4 5 9 8 7 6 1 2 3 4 5 9 8 7 6 1 E B C SOT 23 Q102 MMBT3904 1 3 2 R103 4 7K C104 1U R102 10K L234 R121 0805 6A C805 4 7uF 50V C105 1000U 16V LowESR C107 0 1U L218...

Page 57: ...AZ1117 adj 3 2 1 4 C121 100U 16V C116 0 1U L109 R121 0805 6A I101 AP1510 1 8 2 7 3 6 4 5 FB VSS EN VSS OCSET Output VCC Output R515 3 9K R517 3 65K 1 ADJ OUT IN I104 AIC117 1 8V SOT223 3 2 1 4 R844 6...

Page 58: ...A_CS_1 4 SY0 8 ERO3_GPIO 20 VIDEO_OUT 21 CCIR_GPIO_D 10 SDA0 26 SCL0 26 AUD_CTRL 12 TUNER_SW 13 READY 7 RED_LED 24 GREEN_LED 24 PWR_ON_OFF 1 IDT_OE 13 HD_PON 11 SB33B SB18A DV33A SB33B SB33B DV18A SB...

Page 59: ...0 1U C172 3300P R140 75 R121 0 C163 0 1U R143 150 C150 0 1U C145 0 1U RP18 47x4 1 2 3 4 5 6 7 8 C170 3300P R144 75 C180 0 1U C199 0 1U C0603 R123 22 C184 0 1U C137 0 1U C151 0 1U C188 0 1U I107 29LV1...

Page 60: ...P3 3 ADACVDD 3 ADCVDD 3 LVDDB 3 REFP 3 PLLVDD3 3 TESTP4 3 AADCVDD 3 TESTN3 3 GNDA 3 21 22 LVDDA 3 REFN 3 PLLVDD1 3 AVDD_VAD0 3 DACFS 3 AVDD_VAD1 3 AV33A AV33A ASB33A ADCV33A ADCV18A ASB18A ASB18A ADCV...

Page 61: ...603 C288 3300P C0603 C301 0 1U C0603 C304 0 1U C295 3300P C0603 C290 0 1U C0603 C296 3300P C0603 C305 0 1U C302 0 1U C0603 C306 0 1U C286 0 1U C291 0 1U C0603 C297 3300P C0603 C287 0 1U C294 0 01U C06...

Page 62: ...C818 0 1uF C0603 SMD R815 4 7K R0603 SMD C819 10nF C0603 SMD C822 10nF C0603 SMD R819 100 R0603 SMD R820 100K R0603 SMD L804 R121 0805 6A BEAD SMD 0805 2A R817 4 7K R0603 SMD Q802 2SC2712 SOT23 SMD 1...

Page 63: ...AVY0N SY0 TUMPX1 Y0 3 TUMPX1 7 MPX1 3 PR0 3 AADCVSS 3 5 21 22 SOY0 3 AVSY0 9 AVPR0P 9 VFE_GND1 2 3 5 22 AVPR0N 9 SY0 3 AVPB0N 9 CVBS0 3 SC0 3 PB0 3 AVSOY0 9 CVBS1 3 PB0 3 AVY0P 9 AVCVBS1 9 Y0 3 AVPB0...

Page 64: ...SC0 8 AV0SY0R_IN 19 YPBPR0L_IN 19 AVPR0P 8 AVY0N 8 AVSY0 8 AVPB0N 8 AVCVBS1 8 YPBPR0R_IN 19 AV0SY0L_IN 19 AVPB0P 8 AVY0P 8 AVSOY0 8 AVPR0N 8 AV0SY0L_IN 19 AV0SY0R_IN 19 YPBPR0L_IN 19 YPBPR0R_IN 19 L81...

Page 65: ...5 0 1U TP59 C362 100U 16V C391 0 1U C380 1000P RP29 33x4 1 2 3 4 5 6 7 8 L142 R121 0603 3A L141 R121 0603 3A C389 0 1U C361 1000P R223 NC C393 0 1U TP44 RP31 33x4 1 2 3 4 5 6 7 8 C374 1000P C402 0 1U...

Page 66: ...APM2301 P P809 HDMI_con 20 21 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 22 23 SHELL1 SHELL2 D2 D2 Shield D2 D1 D1 Shield D1 D0 D0 Shield D0 CK CK Shield CK CE Remote NC DDC CLK DDC DATA GND 5V H...

Page 67: ...3 SDA1 VI10 VOG3 U2RX AO1SDATA0 DV33 VI18 SCL1 VOR0 AO1MCLK 8293LRCK 8293SD0 8293BCLK 8293MCLK AO1LRCK AO1SDATA0 AO1MCLK AO1BCK HDMISD0 HDMILRCK HDMIMCLK HDMIBCLK AUD_CTRL AUD_CTRL 8293BCLK 8293MCLK 8...

Page 68: ...0 1uF C0603 SMD C857 0 1uF C0603 SMD C849 0 1uF C0603 SMD C862 0 1uF C0603 SMD R828 1M R0603 SMD R831 4 7K R0603 SMD C860 0 1uF C0603 SMD C828 10nF C0603 SMD L811 R121 0805 6A BEAD SMD 0805 C845 0 1uF...

Page 69: ...063 C439 0 1U C0603 I808 AP1510 1 2 3 4 8 7 6 5 FB EN OCSET VCC VSS VSS OUTPUT OUTPUT R850 1_3K C783 0 1U C0603 R232 0 R0603 C317 10U 50V C880 0 01uF NC L158 10uH SMD DRWW9 12 0 6mm C883 0 1U C0603 I1...

Page 70: ...R17 R18 D27 D28 E25 E26 E27 E28 F25 F26 F27 F28 G25 G26 G27 G28 H25 H26 H27 H28 J25 J26 J27 J28 K25 K26 K27 K28 L25 L26 L27 L28 M25 M26 M27 M28 N25 N26 N27 N28 P25 P26 P27 P28 T28 T27 T26 T25 U28 U27...

Page 71: ...GND VCNTL RP57 47x4 1 2 3 4 5 6 7 8 C496 0 1U C0603 R282 47 C535 0 1U C0603 C541 0 1U C0603 C512 0 1U C0603 C517 0 1U C0603 RP51 47x4 1 2 3 4 5 6 7 8 C525 0 1U C0603 RP48 75x4 1 2 3 4 5 6 7 8 RP68 75...

Page 72: ...DV33 DV33 DV33 DV33 DV33 DV33 R303 4 7K R0603 R295 NC 4 7K R0603 TP68 U1RX TP SMD D0 6 C550 0 1U C0603 R299 4 7K R0603 TP78 JTDO TP SMD D0 6 TP75 JTMS TP SMD D0 6 L168 R121 0603 3A L0603 RP83 10Kx4 RN...

Page 73: ...0603 C606 0 1U C0603 C560 4 7U C0805 C568 0 1U C0603 R314 47 R0603 C603 0 1U C0603 C582 0 1U C0603 C588 0 1U C0603 C557 1500P C0603 C566 4 7U C0805 C601 4 7U C0805 C579 0 1U C0603 C602 0 1U C0603 C552...

Page 74: ...L_IN 9 YPBPR0R_IN 9 AV0SY0L_IN 9 AV0SY0R_IN 9 GPIO7 3 GPIO9 3 12V 21 23 SG_12V SG_12V SG_12V SG_12V SG_12V SG_12V SG_12V SG_12V SG_12V R355 47K R362 47K R354 10K C633 0 1U C0603 C629 22U 50V R353 47K...

Page 75: ...C643 0 1U C649 10U 50V R379 10K R383 100K I136 AD12250 TSSOP16 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 M0 MCLK VL SDOUT GND VD SCLK LRCK RST AINL VQ AINR VA REF_GND FILT M1 C641 0 1U L181 R121 0603 3A...

Page 76: ...A 5 6 7 8 4 R498 NC 220 R430 100 R429 100 I139A NJM4558 OPA 3 2 1 8 4 E B C SOT 23 Q125 NC MMBT3904 1 3 2 R497 NC 10K C692 1000P L188 R121 0603 3A R415 20K C685 150P C669 220U 16V C687 820P C688 22U 5...

Page 77: ...D132 5 6V 1 2 C610 0 01U R340 510 R328 75 C623 0 01U C615 0 01U L824 R80 0603 200mA C621 5P R348 2K R324 100 R333 NC 10K D133 NC 5 6V 1 2 R327 68 I133 24C21 SMD DIP 1 2 3 4 5 6 7 8 NC1 NC2 NC3 GND SDA...

Page 78: ...03 C762 1n C0603 L202 15uH SMD C757 NC C0603 R404 4 7K R400 NC C659 1n C0603 L185 R121 0603 3A C675 0 1U C0603 L209 R121 0603 3A L200 R121 0805 6A R241 47 R242 47 C744 1n C0603 C663 1n C0603 C677 0 1U...

Page 79: ...0 3 RED_LED 3 GREEN_LED 3 GPIO11 3 GPIO15 3 GPIO16 3 IRRCVR 3 SB33B 5VSB 5VSB Q121 MMBT3906 1 2 3 C734 0 1U R469 10K R468 10K R467 10K R458 47 C728 0 1U R466 10K C732 0 1U R464 10K R465 10K C730 0 1U...

Page 80: ...858 22K P803 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 C735 100U 16V R859 180 0805 C740 0 1U I142 AP9435M 1 8 2 7 3 6 4 5 S D S D S D G D E B C SOT...

Page 81: ...SCL 3 10 13 23 SDA 3 10 13 23 SCL0 3 SDA0 3 SB33B SB33B 5VSB SB33B SB33B SB33B C741 100U 16V R503 4 7K R513 0 R846 10K R484 10K R489 47K C742 0 1U R487 10K D137 LL4148 E B C SOT 23 Q123 MMBT3904 1 3...

Page 82: ...9 PCB Layout Diagrams 9 1 MAIN PCB TOP VIEW ViewSonic Corporation Confidential Do Not Copy N3752w 1M 79...

Page 83: ...9 2 MAIN PCB BOTTOM VIEW ViewSonic Corporation Confidential Do Not Copy N3752w 1M 80...

Page 84: ...9 3 CON PCB TOP VIEW ViewSonic Corporation Confidential Do Not Copy N3752w 1M 81...

Page 85: ...9 4 CON PCB BOTTOM VIEW ViewSonic Corporation Confidential Do Not Copy N3752w 1M 82...

Page 86: ...9 5 IR PCB TOP VIEW ViewSonic Corporation Confidential Do Not Copy N3752w 1M 83...

Page 87: ...9 6 IR PCB BOTTOM VIEW ViewSonic Corporation Confidential Do Not Copy N3752w 1M 84...

Page 88: ...10 Exploded View And Exploded Parts List ViewSonic Corporation Confidential Do Not Copy N3752w 1M 85...

Page 89: ...ViewSonic Corporation Confidential Do Not Copy N3752w 1M 86...

Page 90: ...6L MSWR17 FZMYI 1 35 N A 2081440084P SCREW WASH M4 8 P 0 7 TOOTH WASHER BLACK 4 36 N A 2082340102P SCREW CSK SCREW F M4X10 CSK 6 37 N A 2080005900P SCREW SPE M6 10MM TYPE I BLACK ZN 6 38 N A 20847401...

Page 91: ...2 0T HW 00008018 2071882200P 5B03 19 Box Carton 360X220X50mm WXDXH Box B P 00004497 2011100017P 6P85 20 Foam EPE TOP LEFT P 00006616 2012186100P 6P20 21 Foam EPE TOP RIGHT P 00006617 2012186200P 6P21...

Page 92: ...N A 2346110496P CAP CHIP 125 C CS 0603 X7R 50V 0 1u K T C286 1 38 N A 2346110496P CAP CHIP 125 C CS 0603 X7R 50V 0 1u K T C287 1 39 N A 2346110496P CAP CHIP 125 C CS 0603 X7R 50V 0 1u K T C304 1 40 N...

Page 93: ...C CS 0603 X7R 50V 0 1u K T C637 1 113 N A 2346710596P CAP CHIP 85 C CS 0603 Y5V 16V 1 0u Z T C638 1 114 N A 2346110496P CAP CHIP 125 C CS 0603 X7R 50V 0 1u K T C639 1 115 N A 2346710596P CAP CHIP 85...

Page 94: ...50V 0 1u K T C832 1 191 N A 2346110496P CAP CHIP 125 C CS 0603 X7R 50V 0 1u K T C833 1 192 N A 2341118096P CAP CHIP 125 C CS 0603 COG 50V 18p J T C834 1 193 N A 2341118096P CAP CHIP 125 C CS 0603 COG...

Page 95: ...1 267 N A 2364302496P DIODE SCHOTTKY SMD SM17 DO 214AC MOSPEC D813 1 268 N A 2364302496P DIODE SCHOTTKY SMD SM17 DO 214AC MOSPEC D814 1 269 N A 2349901396P CAP CHIP SPEC EGA10603V05A1 B INPAQ D815 1...

Page 96: ...I 3 0A L114 1 347 N A 2379360006P BEAD HI IMPEDANCE Z 60 ohm 200MHZ 0603 300mA L115 1 348 N A 2379360006P BEAD HI IMPEDANCE Z 60 ohm 200MHZ 0603 300mA L116 1 349 N A 2379512106P BEAD HI CURRENT Z 120...

Page 97: ...7 1 427 N A 2370101696P COIL CHOKE SMD YC5D18T100M 10uH YOUTH L829 1 428 N A 2379360006P BEAD HI IMPEDANCE Z 60 ohm 200MHZ 0603 300mA L830 1 429 N A 2407640219P SOCKET SMD HDMI HMR47 19P ACON P809 RA...

Page 98: ...S 8P4R 1 16W 75 ohm J P 0 8 RP04 1 501 N A 2259222008P RES CHIP NETWORKS 8P4R 1 16W 22 ohm J P 0 8 RP05 1 502 N A 2259275008P RES CHIP NETWORKS 8P4R 1 16W 75 ohm J P 0 8 RP06 1 503 N A 2259247008P RES...

Page 99: ...R118 1 580 N A 2253210396P RES CHIP 1 10W RC 0603 1 10W 10Kohm J T R119 1 581 N A 2253210396P RES CHIP 1 10W RC 0603 1 10W 10Kohm J T R120 1 582 E R 0405 6600 2253200096P RES CHIP 1 10W RC 0603 1 10W...

Page 100: ...1 1 658 N A 2253247096P RES CHIP 1 10W RC 0603 1 10W 47 ohm J T R242 1 659 N A 2253210396P RES CHIP 1 10W RC 0603 1 10W 10Kohm J T R256 1 660 N A 2253233196P RES CHIP 1 10W RC 0603 1 10W 330 ohm J T R...

Page 101: ...736 E 00003527 2253247396P RES CHIP 1 10W RC 0603 1 10W 47Kohm J T R362 1 737 E 00003527 2253247396P RES CHIP 1 10W RC 0603 1 10W 47Kohm J T R363 1 738 E 00003527 2253247396P RES CHIP 1 10W RC 0603 1...

Page 102: ...487 1 815 E 00003527 2253247396P RES CHIP 1 10W RC 0603 1 10W 47Kohm J T R489 1 816 E 00003527 2253247396P RES CHIP 1 10W RC 0603 1 10W 47Kohm J T R490 1 817 E R 0405 6419 2253247296P RES CHIP 1 10W R...

Page 103: ...RES CHIP 1 10W RC 0603 1 10W 560 ohm J T R853 1 893 N A 2253210396P RES CHIP 1 10W RC 0603 1 10W 10Kohm J T R854 1 894 N A 2253222396P RES CHIP 1 10W RC 0603 1 10W 22Kohm J T R858 1 895 N A 225331819...

Page 104: ...3P CAP MINI ELE 105 C EC 10u 50V 5 7 P 2 5 T C679 1 971 N A 2333622613P CAP ELE 105 C EC 22u 50V 5 11 P 2 5 T C688 1 972 N A 2333622613P CAP ELE 105 C EC 22u 50V 5 11 P 2 5 T C691 1 973 N A 2336310713...

Page 105: ...AP CHIP 125 C CS 0603 X7R 50V 3300p K T C197 1 1049 N A 2346110496P CAP CHIP 125 C CS 0603 X7R 50V 0 1u K T C198 1 1050 N A 2346110496P CAP CHIP 125 C CS 0603 X7R 50V 0 1u K T C199 1 1051 N A 23461104...

Page 106: ...125 C CS 0603 X7R 50V 0 1u K T C381 1 1127 N A 2341110296P CAP CHIP 125 C CS 0603 COG 50V 1000p J T C382 1 1128 N A 2346110496P CAP CHIP 125 C CS 0603 X7R 50V 0 1u K T C383 1 1129 N A 2341110296P CAP...

Page 107: ...125 C CS 0603 X7R 50V 0 1u K T C545 1 1205 N A 2346110496P CAP CHIP 125 C CS 0603 X7R 50V 0 1u K T C546 1 1206 N A 2346110496P CAP CHIP 125 C CS 0603 X7R 50V 0 1u K T C547 1 1207 N A 2346156296P CAP C...

Page 108: ...RC 0603 1 10W 47 ohm J T R278 1 1284 E R 0405 6419 2253247296P RES CHIP 1 10W RC 0603 1 10W 4 7Kohm J T R317 1 1285 E R 0405 6419 2253247296P RES CHIP 1 10W RC 0603 1 10W 4 7Kohm J T R318 1 1286 E R...

Page 109: ...4271102P FRONT BEZEL JC378UB HDMI ABS94HB BLACK 1F01 1 1362 N A 2054257003P ORNAMENT JC378EC FRONT BAR 94HB BLACK C 1F02 1 1363 N A 2031151400P DOOR PANEL VE800 PVC 15 8mm t 0 6mm 1F03 1 1364 N A 2053...

Page 110: ...008018 2071882200P BRACKET FIX JC378UB STAND SECC 2 0T 5B03 1 1433 N A 2082340102P SCREW CSK SCREW F M4X10 CSK 5B04 4 1434 N A 2084740082P SCREW BND T M4X8 BND T 5B05 12 1435 N A 2039819901P FOOT PAD...

Page 111: ...low 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 Excel...

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