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ViewSonic N3250W - NextVision - 32" LCD TV, Руководство по обслуживанию


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IIC TESTER

SCL
SDA

EEWPn

EEWPn

RESETp-C

P24_LEFT
P25_RIGHT

P27_POWERSW

P23_DOWN

P21_ENTER
P22_UP

P26_MENU

SCL
SDA

LED1

IR_INT

LED2

AMP_STBY

P24_LEFT

P26_MENU

P25_RIGHT

P22_UP

P23_DOWN

IR_INT

LED2

LED-G

LED1

LED-R

SCL
SDA

JP_TxD

JP_RxD

P21_ENTER

P27_POWERSW

PANELPWR ( 9 )

PHDPDP ( 8 )

VD_RSTn ( 7,11 )

BACKLITn ( 9 )
AF_SEL0 ( 6 )

LVDSPDN ( 9 )

AF_SEL1 ( 6 )

TVM_PWRp ( 2 )

SYS_PD ( 2 )

SCL

( 4,5,7,8,11,12 )

SDA

( 4,5,7,8,11,12 )

TTfc-RSTn

( 8 )

DVI_PDn

( 3 )

AMP_STBY

( 13 )

ADC_PDn

( 4 )

POP_MUTE ( 13 )

HDMI_CEC

( 3 )

DDCSCL ( 3 )

DDCSDA ( 3 )

VMCU

VMCU

VMCU

VCC

VCC

VMCU

VMCU

VMCU

3V3MCU

VMCU

VCC

VCC

VMCU

Q117
2N7002

Q118
2N7002

C576

100n

C580

100n

C577

100n

C575

100n

C579

100n

C578

100n

RP14

10KX

4

1

8

2

7

3

6

4

5

R427

100R

R424

100R

I137

24LC16/SO8

1
2
3
4

5

6

7

8

PRE
E1
E2
VSS

SDA

SCL

/WC

VCC

C543
100n

R425

100R

R417

4K

7

P119

JST 4/P=2.0/90

1

2

3

4

R418

4K

7

C552

47p/

ESD

R430
180R

C555

47p/ESD

R431
180R

C553

47p/

ESD

C551

47p/

ESD

C548

47p/

ESD

R436

4K7

C549

47p/

ESD

R434

47R

R435

4K7

C545

100n

R428
NC

C550

47p/

ESD

P124

JST 7/P=2.0/180

1
2
3
4
5
6
7

C544

47uF/16V

R496

NC

RP17

47RX4

1

8

2

7

3

6

4

5

C563
10uF/50V

P122

JST 6/P=2.0/180

1
2
3
4
5
6

Q127
2N3906

3

2

1

R497

0R

RP18

47RX4

1

8

2

7

3

6

4

5

C569

10uF/50V

C566
100n

RP16
10KX4

1

8

2

7

3

6

4

5

RP15

10KX

4

1

8

2

7

3

6

4

5

C581
100n

X107

12MHz

C564
22p

R491

10K

Q126
2N3906

3

2

1

I138

STK6012/128K

35

21

20

10

14
15
16
17

2
3
4
5
6
7
8
9

43
42
41
40
39
38
37
36

24
25
26
27
28
29
30
31

19
18
32
33
13
11

44

22

1

12

23

34

EA/VP

X1

X2

RESET

P3.2/INT0
P3.3/INT1
P3.4/T0
P3.5/T1

P1.0/T2
T1.1/T2EX
P1.2
P1.3
P1.4
P1.5
P1.6
P1.7

P0.0
P0.1
P0.2
P0.3
P0.4
P0.5
P0.6
P0.7

P2.0
P2.1
P2.2
P2.3
P2.4
P2.5
P2.6
P2.7

P3.7/RD

P3.6/WR

PSEN

ALE/P

P3.1/TXD

P3.0/RXD

VCC

VSS

P4.2

P4.3

P4.0

P4.1

RP13
10KX4

1

8

2

7

3

6

4

5

R493

1M

C565
22p

I132
NC/TO263

3

2

1

VI

VO

ADJ

R494

NC

R495
NC

C547
NC

C561

47uF/16V

C582
NC

C584
100n

C583
100n

R531

100R

R530

100R

7.9 MCU

27

ViewSonic Corporation

Confidential - Do Not Copy

N3250w-1M

Содержание N3250W - NextVision - 32" LCD TV

Страница 1: ...Service Manual ViewSonic N3250w Model No VS10769 1M LCD TV Display N3250w 1M_SM Rev 1a Oct 2005 ViewSonic 381 Brea Canyon Road Walnut California 91789 USA 800 888 8583 ...

Страница 2: ...er expressed or implied with respect to the contents hereof and specifically disclaims any warranty of merchantability or fitness for any particular urpose 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 ViewSonic is a registered t...

Страница 3: ...ervice Tool Equipment Required 2 3 Specification 2 4 Exploded View and Parts List 6 5 Recommended Spare Parts List 9 6 Block Diagram 18 7 Schematic Diagram 19 8 Working Theorem 32 9 Wiring Diagram 34 10 PCB Layout 35 11 Trouble Shooting Flow Chart 41 12 Adjustment 45 13 Electrical Parts List 47 14 Appendix 63 ...

Страница 4: ...ician Always unplug the LCD TV before cleaning it Clean the cabinet with a clean dry cloth Apply non ammonia based cleaner onto the cloth not directly onto the glass screen Keep the LCD TV away from magnetic objects motors TV sets and transformer Do not place heavy objects on the LCD TV or power cord 1 2 PRODUCT SAFETY NOTICE Many electrical and mechanical parts in this chassis have special safety...

Страница 5: ...isplay Color 16 7M Color Max 8bit color Viewing Angle CR 10 Horizontal 85 85 Vertical 85 85 Contrast Ratio 800 1 typical Brightness 500 cd m2 typical Response Time Tr 8 ms Tf 8ms typical Active Display Area 697 68mm 392 26mm RF Tuner Input level 0 15 dB mV Rang NTSC 55 25 to 801 25 MHz 2 69 channels for Off Air and 2 125 Channeis for CATV Power Voltage 100 240 V Consumption 200 Watts Max Speaker 1...

Страница 6: ...06ms 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 000us...

Страница 7: ...dth 0 126ms 0 047ms V Border 0 00ms 0 00ms H V Sync Interlace No No 3 3 D SUB HDMI CONNECTOR Connector pin assignments for VGA cable The signal cable connector shall be a molded over shield twisted pair cable The cable shall be 1 8 meters long The pin assignments shall be listed as below PIN D SUB Connector 1 Red Video 2 Green Video 3 Blue Video 4 NC 5 GND 6 GNC 7 GND 8 GND 9 5V for DDC 10 GND 11 ...

Страница 8: ... Pin Signal Assignment Pin Signal Assignment 1 TMDS RX2 11 TMDS Ground 2 TMDS Ground 12 TMDS Clock 3 TMDS RX2 13 CEC 4 TMDS RX1 14 Floating 5 TMDS Ground 15 DDC Clock 6 TMDS RX1 16 DDC Data 7 TMDS RX0 17 Ground 8 TMDS Ground 18 5V Power 9 TMDS RX0 19 Hot Plug Detect 10 TMDS Clock Pin1 Pin2 Pin19 Pin18 5 ViewSonic Corporation Confidential Do Not Copy N3250w 1M ...

Страница 9: ...71972400 METAL FITTG SECC T 1 0MM VESA SUPPORT 1 21 1F51 2083630068 SCREW FMS M3X6 M S TITE F NI 4 22 1F52 2082630042 SCREW M3 4 P 0 5 14 23 1F54 2084740122 SCREW BND T M4X12 BND T 4 24 1F55 2027259602 DUST COVER ABS 94HB BLACK 1 25 1F56 2044266601 FUNCTION KEY JC278 ABS 94V0 AL PLATE FUNCTI 1 26 1F57 2084730082 SCREW BND T M3X8 BND T 2 27 1F58 2082630062 SCREW M3X6 P 0 5 2 28 1F59 2084740082 SCRE...

Страница 10: ...2C14X6 2C12 2C12 1F30 1F39 X4 1F31 X3 1F29 1F50 X14 1F52 1F51 X2 X2 1F51 POWER PCB ASS Y MAIN PCB ASS Y 1F60 1F58 X2 1F06 1F12 X4 1F26 X6 X4 1F27 1F22 V901 1F02 1F01 1F03 1F23 X3 X3 1F23 X2 1F25 1F56 1F57 X2 1F55 2C15 2C16 1F59 X2 1F54 X2 1F54 X2 X2 1F32 1F36 1F37 X2 1F41 FIG 1 4 1 EXPLODED VIEW 7 ViewSonic Corporation Confidential Do Not Copy N3250w 1M ...

Страница 11: ...0 5MM WITH PVC TUBE 1 1F50 2071972400 METAL FITTG SECC T 1 0MM VESA SUPPORT 1 1F51 2083630068 SCREW FMS M3X6 M S TITE F NI 4 1F52 2082630042 SCREW M3 4 P 0 5 14 1F54 2084740122 SCREW BND T M4X12 BND T 4 1F55 2027259602 DUST COVER ABS 94HB BLACK 1 1F56 2044266601 FUNCTION KEY JC278 ABS 94V0 AL PLATE FUNCTI 1 1F57 2084730082 SCREW BND T M3X8 BND T 2 1F58 2082630062 SCREW M3X6 P 0 5 2 1F59 2084740082...

Страница 12: ...C 00003570 2002310470 6P81 0 20 30 1 12 Electronic Components LCD PANEL T315XW01 V2 E 00003571 2212008100 V901 741 00 30 1 13 Hardware BRACKET FIX JC278 BASE ALUMINUM BLACK 4001 HW 00003572 2071870401 5B01 12 10 30 1 14 CARTON BOX VIEWSONIC N3250W VS10769 1M P 00003573 2011132502 6P01 3 49 30 1 15 POLYFOAM EPE R P 00003574 2012178700 6P20 1 11 30 1 16 POLYFOAM EPE L P 00003575 2012178800 6P21 1 11...

Страница 13: ...0824 6943 2082740084 SCREW BND BMS 4X8 BLACK 2C12 2 31 M SCW 0824 6944 2084740124 SCREW BND T M4X12 BND T BLK 2C13 2 32 N A 2082340102 SCREW CSK SCREW F M4X10 CSK 2C14 6 33 N A 2027259902 DUST COVER ABS 94HB BLACK 2C15 1 34 N A 2027260002 DUST COVER ABS 94HB BLACK 2C16 1 35 N A 2080005900 SCREW SPE M6 10MM TYPE I BLACK ZN 2C17 6 36 C 00001876 2071870401 BRACKET FIX JC278 BASE ALUMINUM BLACK 4001 5...

Страница 14: ...85 63 N A 2335210813 CAP ELE LOW ESR 105 C EC 1000u 10V 10 13 P 5 0 T C112 C272 2 64 N A 2333347613 CAP ELE 105 C EC 47u 16V 5 11 P 2 5 T C118 C140 C145 C150 C154 C157 C167 C168 C288 C298 C478 C480 C524 C526 C544 C561 16 65 N A 2333322791 CAP ELE 105 C EC 220u 16V 8 11 P 5 0 T C119 1 66 N A 2346147396 CAP CHIP 125 C CS 0603 X7R 50V 0 047u K T C121 C122 C123 C124 C125 C127 C203 7 67 E C 0404 3816 2...

Страница 15: ...314 C315 C374 C375 C376 C377 C382 C383 C572 C573 C574 15 87 N A 2346139396 CAP CHIP CS 0603 X7R 50V 0 039u K T C286 1 88 E C 0404 4422 2341118096 CAP CHIP 125 C CS 0603 COG 50V 18p J T C295 C296 C640 C1644 C672 C674 6 89 N A 2349900996 CAP CHIP SPEC 0603V PORT 10P 10 INPAQ C357 C361 C362 C363 4 90 N A 2336347791 CAP MINI ELE EC 470u 16V 8 9 P 5 0 T C431 C447 2 91 E C 0404 4424 2346110396 CAP CHIP ...

Страница 16: ... CM1117SCM 3 3V SOT223 CHAMPION I117 RC I602 RC 2 128 N A 2365808596 IC LINEAR SMD CM1117KCM 2 5V SOT223 CHAMPION I118 RA 1 129 N A 2365811196 IC LINEAR SMD AP1117E25A 2 5V SOT223 ATC I118 RB 1 130 N A 2365932896 IC DIGITAL SMD t 0932 BGA 336L Trumpion I123 1 131 N A 2365103696 IC MEMORY SDRAM K4S643232H TC60 TSOP86 SAMSUNG I124 RA I125 RA I126 RA 3 132 N A 2365105096 MEMORY IC SDRAM EM638325TS 6 ...

Страница 17: ...B 15FTF7 BLUE 661C LEOCO P106 1 169 N A 2405313201 RCA JACK RJ 1165 07 0300A JYE TAI P107 1 170 N A 2405324201 RCA JACK RJ 1145 09 0300A JYE TAI P108 P110 2 171 N A 2405106100 EARPHONE JACK EAR JACK 2P TOP BLUE LIME P111 1 172 N A 2405322201 RCA JACK 2 2P 4P BLU YEL RED GRN P112 1 173 N A 2407442900 SOCKET DN 508BS 4 DIN BLK PETER S P113 1 174 N A 2404322130 CONNECTOR 2R1L SIDE P 2 0mm 2046P30HT00...

Страница 18: ...11 194 N A 2360302196 XISTOR NPN R SMD MMBT3904 SOT 23 ON Q102 RE Q103 RE Q104 RE Q105 RE Q106 RE Q107 RE Q108 RE Q109 RE Q110 RE Q112 RE Q125 RE 11 195 N A 2360500896 FET P CH SMD FDS4953 FAIRCHILD Q111 RA 1 196 N A 2360500796 FET P CH SMD CEM4953 CET Q111 RB 1 197 N A 2360510196 FET P CH SMD SI4953DY SO 8 VISHAY Q111 RC 1 198 N A 2360607696 FET N CH SMD 2N7002 FAIRCHILD SOT 23 Q115 RA Q116 RA Q1...

Страница 19: ... T R125 R126 R127 3 213 E R 0405 6409 2253210196 RES CHIP 1 10W RC 0603 1 10W 100 ohm J T R128 R129 R130 R131 R132 R135 R136 R138 R142 R143 R146 R147 R167 R172 R173 R174 R175 R189 R190 R219 R220 R242 R243 R292 R293 R294 R368 R369 R424 R425 R427 R514 R515 R516 R517 R518 R519 R520 R530 R531 R603 R604 42 214 N A 2253215296 RES CHIP 1 10W RC 0603 1 10W 1 5Kohm J T R140 1 215 E R 0405 7002 2253251196 R...

Страница 20: ... ohm J T R630 R645 R655 R664 4 243 N A 2251210086 RES CHIP 1 10 RC 0603 1 10W 1 ohm F T R632 R633 R644 R652 R657 R658 R663 R675 8 244 N A 2253224296 RES CHIP 1 10W RC 0603 1 10W 2 4Kohm J T R636 R637 R671 R672 4 245 N A 2253239396 RES CHIP 1 10W RC 0603 1 10W 39Kohm J T R639 R668 2 246 E R 0405 6422 2259247008 RES CHIP NETWORKS 8P4R 1 16W 47 ohm J P 0 8 RP01 RP02 RP03 RP04 RP05 RP06 RP17 RP18 RP19...

Страница 21: ... ANT HDMI VGA YPbPr interface AD9880 S video YCbCr W 3D COM C C V CHIP SDRAM 1Mx16 M12L16161A POWER SUPPLY DC to DC 3 3V 2 5V Earphone Amp TI TPA6110A2 EARPHONE STK6012 VGA input YPbPr I2S Audio DAC HDMI input TDA1311 MS6308 TV Sound Processor Micronas MSP3445G MSP3425G MUX 4052BT Audio Out L R PC Audio In YPbPr Audio In YCbCr Audio In AV S Audio In To INVERTER 24V To main board 12V To main board ...

Страница 22: ... D1 R103 NC 0R C107 100n L104 NC 40uH I101 NC AP15015K5 5V TO263 1 3 5 2 4 VIN GND ON OFF OUTPUT FEEDBACK L101 NC 80 3 5X6X0 8X2 R116 NC R117 0R C118 47uF 16V C116 100n C101 NC C106 1000uF 16V R101 NC 0R R102 NC 0R R509 0R C574 330p C114 NC R275 4K7 R104 10K C113 NC C115 1000uF 16V I104 LM1084 3V3 TO263 3 2 1 VI VO ADJ L107 NC 80 3 5X6X0 8X2 Q110 2N3904 1 2 3 R268 10K R267 10K Q112 2N3904 1 2 3 L1...

Страница 23: ...4LC22A 1 2 3 4 5 6 7 8 PRE E1 E2 VSS SDA SCL WC VCC C360 100n I105 M24LC21 1 2 3 4 5 6 7 8 PRE E1 E2 VSS SDA SCL WC VCC C373 47p ESD R167 100R R166 2K2 R165 2K2 D107 1N4148 1 2 D106 1N4148 1 2 C193 22p ESD C192 22p ESD R179 75R C191 22p ESD P107 RCA JACK 1X3 1 2 3 4 5 6 L121 30R L0603 R180 75R L123 30R L0603 R178 75R C358 100n P105 HDMI 19 1 3 5 7 9 11 13 15 2 6 8 10 14 4 12 16 20 22 17 19 18 21 2...

Страница 24: ...B4 B3 B2 B1 B0 G7 G6 G5 G4 G3 G2 G1 G0 R7 R6 R5 R4 R3 R2 R1 R0 TVDD2 TVDD1 AVDD4 AVDD3 AVDD2 ALVDD CVDD2 CVDD1 DVDD OVDD1 OVDD2 OVDD3 PVDD1 PVDD2 DDC_SDA DDC_SCL MDA MCL FIELD HS1 VS1 RAIN1 GAIN1 SOG1 BAIN1 EXT CLK COAST SFD IF I2S_0 I2S_1 I2S_2 I2S_3 LRCLK SCLK MCLKOUT MCLKIN AGND1 AVDD1 RP06 47RX4 1 8 2 7 3 6 4 5 RP01 47RX4 1 8 2 7 3 6 4 5 C146 100n L111 80R L0603 L110 80R L0603 C157 47uF 16V L1...

Страница 25: ...Q125 2N3904 1 2 3 R251 51R R232 1K R190 100R C203 47n C199 1500uF 10V C196 1500uF 10V L125 2mH L126 2mH C202 10uF 50V C201 100n C200 100n C195 100n R209 1K R189 100R R205 18R I112 FQ 1236MK3 2 3 4 5 6 11 12 13 14 9 7 8 15 16 1 10 NC VTout Vb 5V SCL SDA AS 2ndIFout CVBSout VIF 5V AFout AF R TH1 TH2 TH3 TH4 NC AGC AF L R201 22R L128 0R L0603 L127 0R L0603 C212 10uF 50V L124 NC R252 56R C213 NC 7 4 T...

Страница 26: ... L0603 L183 600R L0603 R202 NC R206 10K L135 600R L0603 L137 600R L0603 R225 15K R213 15K R184 100K R182 100K R196 100K R194 100K L129 600R L0603 L130 600R L0603 I113 HEF4052D 12 14 15 11 1 5 2 4 6 10 9 13 3 16 8 7 X0 X1 X2 X3 Y0 Y1 Y2 Y3 INen A B X Y VDD VSS VEE R204 10K R211 15K R181 100K R183 100K R212 15K C194 100n R193 100K C249 100p C251 100p L155 0R L0805 L152 0R L0805 L153 0R L0805 C252 10...

Страница 27: ...107 127 37 38 RAin GAin Comp_Cr YC_C SOGin Comp_Y YC_Y CVBS1 CVBS2 BAin Comp_Cb AVD1 AVD2 AVD3 AGND1 AGND2 AGND3 RmidBP GmidBP BmidBP REFBP VD_PLL1 GND_PLL1 GND_PLL2 GND_PLLD VD_PLLD VD_PLL2 FILT TPAD SDA SCL RSTn I2C_Addr MA0 MA1 MA2 MA3 MA4 MA5 MA6 MA7 MA8 MA9 MA10 MA11 BA0 BA1 MCLK WEn CASn RASn CSn MD0 MD1 MD2 MD3 MD4 MD5 MD6 MD7 MD8 MD9 MD10 MD11 MD12 MD13 MD14 MD15 Rout7 Rout6 Rout5 Rout4 Ro...

Страница 28: ...9 G20 H18 H19 H20 J18 J19 J20 K18 K19 K20 L20 L19 L18 M20 M19 M18 N20 N19 N18 P20 P19 P18 R20 B15 C15 D15 A16 B16 C16 D16 A17 B17 C17 A18 B18 A19 A20 B19 B20 C18 C19 C20 D17 D18 D19 D20 E17 F20 E20 F17 F18 E19 J3 K4 L4 M4 B13 A15 C14 G4 H4 J4 E18 F19 R5 F4 E5 D7 Y1 W2 L3 H3 PARED7 PARED6 PARED5 PARED4 PARED3 PARED2 PARED1 PARED0 PAGRN7 PAGRN6 PAGRN5 PAGRN4 PAGRN3 PAGRN2 PAGRN1 PAGRN0 PABLU7 PABLU6...

Страница 29: ...R C476 100n I128 t0383 51 52 54 55 56 2 3 4 6 7 8 10 11 12 14 15 16 18 19 20 22 31 32 48 47 46 45 42 41 40 39 44 49 43 36 34 35 33 5 13 21 29 53 1 9 17 26 50 23 24 25 27 28 30 38 37 TXIN0 TXIN1 TXIN2 TXIN3 TXIN4 TXIN5 TXIN6 TXIN7 TXIN8 TXIN9 TXIN10 TXIN11 TXIN12 TXIN13 TXIN14 TXIN15 TXIN16 TXIN17 TXIN18 TXIN19 TXIN20 TXCLKIN PWRDWN TXOUT0 TXOUT0 TXOUT1 TXOUT1 TXOUT2 TXOUT2 TXCLKOUT TXCLKOUT LVDSVC...

Страница 30: ...47p ESD C551 47p ESD C548 47p ESD R436 4K7 C549 47p ESD R434 47R R435 4K7 C545 100n R428 NC C550 47p ESD P124 JST 7 P 2 0 180 1 2 3 4 5 6 7 C544 47uF 16V R496 NC RP17 47RX4 1 8 2 7 3 6 4 5 C563 10uF 50V P122 JST 6 P 2 0 180 1 2 3 4 5 6 Q127 2N3906 3 2 1 R497 0R RP18 47RX4 1 8 2 7 3 6 4 5 C569 10uF 50V C566 100n RP16 10KX4 1 8 2 7 3 6 4 5 RP15 10KX4 1 8 2 7 3 6 4 5 C581 100n X107 12MHz C564 22p R49...

Страница 31: ...N2 VO2 VDD VO1 IN1 C518 10uF 50V R410 10K R415 1K R218 10K C218 10uF 50V L139 200R L0805 L131 200R L0805 C239 33p L132 200R L0805 C241 10uF 50V C237 10uF 50V R222 0R C236 NC C234 1n C235 1n R221 10K C223 56p R220 100R R219 100R R214 0R C525 1u 16V 0603 C519 1u 16V 0603 R508 1K R507 4K7 L133 NC C240 33p X102 18 432MHz C215 100n C216 100n C242 100n C233 1u 16V 0603 C230 1u 16V 0603 C523 470n 0805 I1...

Страница 32: ... C601 10uF 50V C602 10uF 50V C618 NC R606 0R R617 5 76K C627 100n C605 10uF 50V C607 100n C631 10uF 50V C629 100n C638 100uF 16V C613 NC C616 470n C610 10uF 50V L602 200R L0805 C622 100n C634 100n R620 42 2K C619 220n R613 10 5K C635 100n C603 10uF 50V C604 100n C608 100n C624 100n R621 63 4K AP8210Q PLQFP64 I601 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 1...

Страница 33: ...I604 YDA135 LQFP 148 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 24 22 23 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 N C VREFL VSSL MUTE SLEEP PROT N C TPP TEST VSSR VREFR N C VDDR INR NFINR NFPR NFNR N C CDOR CDIR N C SENSENR SENSEPR PVDDR PVSSR N C HP_R HN_R LN_R LR_R LP_L LN_L HN_L HP_L N C PVSSL SENSENL PVDDL SENSEPL N C CDIL CDOL N C NFNL NFPL NFINL INL ...

Страница 34: ...D_G PWRON GND K GND IR GND K GND IR GND IR GND IR GND IR D721 I721 CAM 1538TP5 1 2 3 VOUT GND VCC S721 P711 JST 6 P 2 0 180 1 2 3 4 5 6 D711 S701 I711 CAM 1538TP5 1 2 3 VOUT GND VCC S705 S702 S703 S704 S706 S707 P701 JST 7 P 2 0 180 1 2 3 4 5 6 7 7 13 KEY PAD IR 31 ViewSonic Corporation Confidential Do Not Copy N3250w 1M ...

Страница 35: ...tocol Fabricated in an advanced CMOS process the AD9880 is provided in a space saving 100 lead LQFP surface mount Pb free plastic package and is specified over the 0 o C to 70 o C temperature range B Video Decoder video The T0956 is a highly integrated NTSC PAL and SECAM video decoder support for high quality LCD TV video applications With an embedded SDRAM controller T0956 supports NTSC PAL chrom...

Страница 36: ...ation PWM Pulse Width Modulators from 28K to 100Hz D Audio Three audio sources put into MSP 3425G or MSP 3445G which fist select the sources and do pre amplify The bass treble control also is provided The control of all the functions is accomplished by serial bus Audio amplifier put into IC YDA135 is a class D amplifier that is output power of 20W channel on a 12V power supply operation The AP8210...

Страница 37: ...R W901 LCD PANEL KEYPAD PCB P701 POWER PCB IR PCB P711 CN2 CN3 CN1 P114 P103 P602 P124 P122 P101 MAIN PCB P904 P903 P905 P906 P907 LCD PANEL 9 WIRING DIAGRAM 34 ViewSonic Corporation Confidential Do Not Copy N3250w 1M ...

Страница 38: ...10 PCB LAYOUT 10 1 MAIN PCB TOP VIEW 35 ViewSonic Corporation Confidential Do Not Copy N3250w 1M ...

Страница 39: ...10 2 MAINPCB BOTTOM VIEW 36 ViewSonic Corporation Confidential Do Not Copy N3250w 1M ...

Страница 40: ...10 3 KEYPAD PCB TOP VIEW 37 ViewSonic Corporation Confidential Do Not Copy N3250w 1M ...

Страница 41: ...10 4KEYPAD PCB BOTTOM VIEW 38 ViewSonic Corporation Confidential Do Not Copy N3250w 1M ...

Страница 42: ...10 5 IR PCB TOP VIEW 39 ViewSonic Corporation Confidential Do Not Copy N3250w 1M ...

Страница 43: ...10 6 IRPCB BOTTOM VIEW 40 ViewSonic Corporation Confidential Do Not Copy N3250w 1M ...

Страница 44: ...01 Check 12V 5V Start 12V on L607 5V on L201 Check I138 is working No Yes No Replace Power Board No Replace X107 I137 I138 Check P711 Pin 5 is 5V Yes No Check Wireharness P906 Replace IR Board Yes 41 ViewSonic Corporation Confidential Do Not Copy N3250w 1M ...

Страница 45: ... Replace I113 Check I601 Pin13 Pin14 Replace I114 No Yes Yes No Check P111 Pin2 Pin5 VGA Check Audio input Yes Check I604 Pin27 34 Yes Check Speaker Yes No Replace I601 No Replace I604 No Check I109 Pin22 23 27 Check I111 Pin8 6 Replace I109 Check I129 Pin1 7 Replace I111 No Yes Yes No Yes Check I130 Pin5 7 Yes Replace I130 No HDMI Replace I129 No 42 ViewSonic Corporation Confidential Do Not Copy N...

Страница 46: ...eck I116 has output signal at RP32 RP33 TV mode AV mode S Video mode YCbCr mode No No No No Yes Yes Yes Yes Replace X103 Replace I116 I115 Check I117 No Yes Yes No Check I123 I127 X105 No Replace LCD Panel Check L142 is 3 3V Yes No Check I123 has out put signal at RP19 RP24 Yes Replace I128 No Check P114 PIN13 22 has LVDS signal Yes Check Panel Powr CKT No Check Panel Power 5V Yes 43 ViewSonic Cor...

Страница 47: ...Change I138 Press menu Key if osd display Check Keypad pcb is ok Check Reset circuit Check inverter is OK Change Inverter Check I123 has output signal Check I123 I127 X105 Check panel power is 5V dark Amber Yes Green No No No Yes No Yes Yes No Yes Check Panel Power CKT No Yes Change LCD Panel Yes 44 ViewSonic Corporation Confidential Do Not Copy N3250w 1M ...

Страница 48: ... the front detail specifications 1 EEPROM Initial A Timing 1024x768 60Hz B Pattern Cross hatch C Switch off the power and press the and key simultaneously and switch on the power At this time we can enter into the factory mode D Select the INITIAL item and press enter key to reset the EEPROM 2 White Balance Adjustment A Timing 1024x768 60Hz B Pattern 16 gray C Set CA110 color analizer at the cente...

Страница 49: ... SELECT and select MAIN YPbPr Input source Chroma 2327 Pattern color bar pattern 37 I Repeat the F and G step J Press menu key select the OSD page on INPUT SELECT and select MAIN YCbCr Input source Chroma 2327 Pattern color bar pattern 37 K Repeat the F and G step 46 ViewSonic Corporation Confidential Do Not Copy N3250w 1M ...

Страница 50: ...603 X7R 50V 2200p K C134 2346122296 CAP CHIP 125 C CS 0603 X7R 50V 2200p K C135 2346747496 CAP CHIP 85 C CS 0603 Y5V 16V 0 47u Z C136 2341110196 CAP CHIP 125 C CS 0603 COG 50V 100p J C137 2341110196 CAP CHIP 125 C CS 0603 COG 50V 100p J C140 2333347613 CAP ELE 105 C EC 47u 16V 5 11 P 2 5 C141 2346410496 CAP CHIP 85 C CS 0603 Y5V 50V 0 1u Z C142 2333610613 CAP ELE 105 C EC 10u 50V 5 11 P 2 5 C143 2...

Страница 51: ...1 2349901096 CAP CHIP SPEC AC0603470A 47P 10 INP AQ C212 2333610613 CAP ELE 105 C EC 10u 50V 5 11 P 2 5 C214 2346410496 CAP CHIP 85 C CS 0603 Y5V 50V 0 1u Z C215 2346410496 CAP CHIP 85 C CS 0603 Y5V 50V 0 1u Z C216 2346410496 CAP CHIP 85 C CS 0603 Y5V 50V 0 1u Z C217 2333610613 CAP ELE 105 C EC 10u 50V 5 11 P 2 5 C218 2333610613 CAP ELE 105 C EC 10u 50V 5 11 P 2 5 C219 2349901096 CAP CHIP SPEC AC0...

Страница 52: ...0603 COG 50V 330p J C288 2333347613 CAP ELE 105 C EC 47u 16V 5 11 P 2 5 C289 2346410496 CAP CHIP 85 C CS 0603 Y5V 50V 0 1u Z C290 2346410496 CAP CHIP 85 C CS 0603 Y5V 50V 0 1u Z C291 2346410496 CAP CHIP 85 C CS 0603 Y5V 50V 0 1u Z C292 2346410496 CAP CHIP 85 C CS 0603 Y5V 50V 0 1u Z C293 2346410496 CAP CHIP 85 C CS 0603 Y5V 50V 0 1u Z C294 2346410496 CAP CHIP 85 C CS 0603 Y5V 50V 0 1u Z C295 23411...

Страница 53: ...S 0603 Y5V 50V 0 1u Z C420 2346410496 CAP CHIP 85 C CS 0603 Y5V 50V 0 1u Z C421 2346410496 CAP CHIP 85 C CS 0603 Y5V 50V 0 1u Z C422 2346410496 CAP CHIP 85 C CS 0603 Y5V 50V 0 1u Z C423 2346410496 CAP CHIP 85 C CS 0603 Y5V 50V 0 1u Z C424 2346410496 CAP CHIP 85 C CS 0603 Y5V 50V 0 1u Z C425 2346410496 CAP CHIP 85 C CS 0603 Y5V 50V 0 1u Z C426 2346410496 CAP CHIP 85 C CS 0603 Y5V 50V 0 1u Z C427 23...

Страница 54: ...0V 1 0u Z C520 2346410496 CAP CHIP 85 C CS 0603 Y5V 50V 0 1u Z C523 2346747496 CAP CHIP 85 C CS 0603 Y5V 16V 0 47u Z C524 2333347613 CAP ELE 105 C EC 47u 16V 5 11 P 2 5 C525 RA 2346710596 CAP CHIP 85 C CS 0603 Y5V 16V 1 0u Z C525 RB 2346610596 CAP CHIP 85 C CS 0603 Y5V 10V 1 0u Z C526 2333347613 CAP ELE 105 C EC 47u 16V 5 11 P 2 5 C543 2346410496 CAP CHIP 85 C CS 0603 Y5V 50V 0 1u Z C544 233334761...

Страница 55: ...5 C CS 0603 Y5V 50V 0 1u Z C627 2346410496 CAP CHIP 85 C CS 0603 Y5V 50V 0 1u Z C628 2346410496 CAP CHIP 85 C CS 0603 Y5V 50V 0 1u Z C629 2346410496 CAP CHIP 85 C CS 0603 Y5V 50V 0 1u Z C630 2346410496 CAP CHIP 85 C CS 0603 Y5V 50V 0 1u Z C631 2333610613 CAP ELE 105 C EC 10u 50V 5 11 P 2 5 C632 2346410496 CAP CHIP 85 C CS 0603 Y5V 50V 0 1u Z C633 2346410496 CAP CHIP 85 C CS 0603 Y5V 50V 0 1u Z C63...

Страница 56: ...2364601396 DIODE SWITCH SMD 1N4148W 7 SOD123 DIODES D109 RB 2364600496 DIODE SWITCH SMD MM4148 SOD 80 GRANDE D109 RC 2363600696 DIODE SWITCH RLS4148 T11 SOD 80 ROHM D109 RD 2364200896 DIODE RECT SMD BAS32L SOD 80 PHILIPS I104 RA 2365807496 IC LINEAR SMD AIC1084 33CM TO 263 AIC I104 RB 2365810796 IC LINEAR SMD AP1084K33A 3 3V TO 263 ATC I104 RC 2365809196 IC LINEAR SMD CM1084SCN263 CHAMPION SO263 I...

Страница 57: ...RB 2360700896 FET P N CH SI4532DY SO 8 FAIRCHILD L106 2379103391 FERRITE CORE 3 5 6 0 8x2 100MHZ 100ohm Min L109 2379103391 FERRITE CORE 3 5 6 0 8x2 100MHZ 100ohm Min L110 2379380096 BEAD HI IMPEDANCE Z 80ohm 100MHZ 0603 200mA L111 2379380096 BEAD HI IMPEDANCE Z 80ohm 100MHZ 0603 200mA L112 2379380096 BEAD HI IMPEDANCE Z 80ohm 100MHZ 0603 200mA L113 2379380096 BEAD HI IMPEDANCE Z 80ohm 100MHZ 0603...

Страница 58: ...19 SOCKET SMD HMR47 19P HDMI ACON P106 2407430900 SOCKET D SUB DHSB 15FTF7 BLUE 661C LEOCO P107 2405313201 RCA JACK RJ 1165 07 0300A JYE TAI P108 RA 2405324201 RCA JACK RJ 1145 09 0300A JYE TAI P108 RB 2405324201P RCA JACK RJ 1145 09 0300A JYE TAI P110 RA 2405324201 RCA JACK RJ 1145 09 0300A JYE TAI P110 RB 2405324201P RCA JACK RJ 1145 09 0300A JYE TAI P111 2405106100 EARPHONE JACK EAR JACK 2P TOP...

Страница 59: ...OT 23 ON Q111 RA 2360500896 FET P CH SMD FDS4953 FAIRCHILD Q111 RB 2360500796 FET P CH SMD CEM4953 CET Q111 RC 2360510196 FET P CH SMD SI4953DY SO 8 VISHAY Q112 RA 2360300896 XISTOR NPN R SMD MMBT3904 SOT 23 FAIRCHILD Q112 RB 2360301296 XISTOR NPN R SMD MMBT3904 SOT 23 DIODES Q112 RC 2360300596 XISTOR NPN R SMD MMBT3904 7 SOT 23 VISHAY Q112 RD 2360301696 XISTOR NPN R SMD PMBS3904 SOT 23 PHILIPS Q1...

Страница 60: ...R126 2253233096 RES CHIP 1 10W RC 0603 1 10W 33 ohm J R127 2253233096 RES CHIP 1 10W RC 0603 1 10W 33 ohm J R128 2253210196 RES CHIP 1 10W RC 0603 1 10W 100 ohm J R129 2253210196 RES CHIP 1 10W RC 0603 1 10W 100 ohm J R130 2253210196 RES CHIP 1 10W RC 0603 1 10W 100 ohm J R131 2253210196 RES CHIP 1 10W RC 0603 1 10W 100 ohm J R132 2253210196 RES CHIP 1 10W RC 0603 1 10W 100 ohm J R135 2253210196 R...

Страница 61: ...1 10W RC 0603 1 10W 18 ohm J R206 2253210396 RES CHIP 1 10W RC 0603 1 10W 10Kohm J R208 2253210396 RES CHIP 1 10W RC 0603 1 10W 10Kohm J R209 2253210296 RES CHIP 1 10W RC 0603 1 10W 1Kohm J R210 2253210396 RES CHIP 1 10W RC 0603 1 10W 10Kohm J R211 2253215396 RES CHIP 1 10W RC 0603 1 10W 15Kohm J R212 2253215396 RES CHIP 1 10W RC 0603 1 10W 15Kohm J R213 2253215396 RES CHIP 1 10W RC 0603 1 10W 15K...

Страница 62: ... RC 0603 1 10W 0 ohm J R376 2253210596 RES CHIP 1 10W RC 0603 1 10W 1Mohm J R377 2253247096 RES CHIP 1 10W RC 0603 1 10W 47 ohm J R379 2253247096 RES CHIP 1 10W RC 0603 1 10W 47 ohm J R381 2253200096 RES CHIP 1 10W RC 0603 1 10W 0 ohm J R386 2253200096 RES CHIP 1 10W RC 0603 1 10W 0 ohm J R387 2253210396 RES CHIP 1 10W RC 0603 1 10W 10Kohm J R388 2253200096 RES CHIP 1 10W RC 0603 1 10W 0 ohm J R39...

Страница 63: ...1 10 RC 0603 1 10W 42 2KohmF R621 2251263426 RES CHIP 1 10 RC 0603 1 10W 63 4KohmF R622 2251215826 RES CHIP 1 10 RC 0603 1 10W 15 8KohmF R623 2251217826 RES CHIP 1 10 RC 0603 1 10W 17 8KohmF R624 2251222626 RES CHIP 1 10 RC 0603 1 10W 22 6KohmF R625 2251222616 RES CHIP 1 10 RC 0603 1 10W 2 26KohmF R626 2251230916 RES CHIP 1 10 RC 0603 1 10W 3 09KohmF R627 2251248716 RES CHIP 1 10 RC 0603 1 10W 4 8...

Страница 64: ...259247008 RES CHIP NETWORKS 8P4R 1 16W 47 ohm P 0 8 RP18 2259247008 RES CHIP NETWORKS 8P4R 1 16W 47 ohm P 0 8 RP19 2259247008 RES CHIP NETWORKS 8P4R 1 16W 47 ohm P 0 8 RP20 2259247008 RES CHIP NETWORKS 8P4R 1 16W 47 ohm P 0 8 RP21 2259247008 RES CHIP NETWORKS 8P4R 1 16W 47 ohm P 0 8 RP22 2259247008 RES CHIP NETWORKS 8P4R 1 16W 47 ohm P 0 8 RP23 2259247008 RES CHIP NETWORKS 8P4R 1 16W 47 ohm P 0 8 ...

Страница 65: ...0 P906 2427406001 WIRE HARNESS 6 6P H H 1007 26 128C L 420 P907 2427407001 WIRE HARNESS 7 7P H H 1007 26 128C L 500 P951 2427130046 POWER CORD USA WALL 1 83M BLACK P955 2427701893 CABLE RCA 3P Y R W 2562 26 1 8M BLK P961 2427501187 I O CABLE D15 D15 20276 3 6 1 83M BLACK S801 2407001700A SOCKET ASSY INLET CON SW 1015 18 L 110 V901 2212008100 LCD PANEL T315XW01 V2 AU W901 2391310061 SPEAKER ASS Y 1...

Страница 66: ...ircuit Description 5 Adjustment Procedure 6 Trubleshooting Flow Chart 7 Recommended Spare Parts List 8 Exploded Diagram and Exploded Parts List 9 Block Diagram 10 Schematic Diagrams 11 PCB Layout Diagrams B Are you satisfied with this Service Manual Item Excellent Good Fair Bad 1 Service Manual Content 2 Service Manual Layout 3 The form and listing C Do you have any other opinions or suggestions re...

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