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ViewSonic PerfectFlat E90fB-4 Скачать руководство пользователя страница 54

 

ViewSonic Corporation                                                                                                                                                        E90fB-4

 

51 

Confidential-Do Not Copy

10

．

SCHEMATIC DIAGRAM 

 

33K

R128

LED

NC

2.7K

R153

81A3-7-GP

4K7

R107

2K2

R109

4K7

R148

47UF

C125 NC

2.57V

1.355V

0.1UF

C705

4.94V

<S

W

102>

4.388V

6.3V

56A1125-575-x

IC101

1

2

3

4

52

53

54

5

50

6

7

8

49

9

10

11

13

14

15

16

17

18

19

20

21

36

37

38

39

40

41

42

43

44

45

46

47

48

51

12

55

56

22

23

24

25

26

27

28

35

34

33

32

31

30

29

SwiChoice

ISCL

ISDA

CSO

Hs

Vs

DSCL

ROTA

Pro

H-LIN

Unlock

CLAMP

VsOUT

CS1

CS2

NC

CR

VSSE

VDDD

V5V

VSSD

BDRV

HBGND

HDRV

HFB

Iref

Vref

AGND

Bsens

Bin

BOP

Vssa

VDDA

MODE

XTAL1

XTAL2

NC

REM

EEP W/R

standby

DSDA

CS3

XRAY

RST

Vfocus

Deguss

HD

KEY2

KEY1

EWdrv

VOUT2

VUOT1

EHT

DouColor

Uvolt

SinColor

470

R129

0.1UF

C103

 48MHz

X101

40V

<S

W

102>

M24C08-BN6

IC102

8

5

6

1

2

3

7

4

VCC

ISDA

ISCL

A0

A1

A2

WP

A4

CS1

470

R154

R718

2k2

6.2V

ZD103

KEY1

0.144V

470

R151

CMPC-P985D-1

4.253V

0.705V

80V

0.1UF

C101

G

reen

LE

D1

2200PF

C109

B+

5V

HD

Orange

LED4

CS2

CS3

<S

W

101>

430 1/2W

R903

120K 1/4W

R161

4.134V

2K2

R108

2K7

R157

0.535V

0.927V

0.046V

G1

HFB

Xra

y

120K 1/4W

R150

1000UF

C106

2200PF

C114

15K

R106

+

100PF

C110

5V

93C22-48-H

100 

R139

0.01 100V

C702

KEY1

CR

80V

4K7

R166

Jumper

C126

100 

R140

0.1UF/250V

C946

2N2

C116

100

R104

33K

R141

4.93V

+

220U 16V

C483

2.282V

0.793V

0.925V

ABL

13K

R102

+

10UF 16V

C119

H802

Hfb

12V

ISDA

GND

ISCL

V5V

HFB

VO

HO

6.3V

ABL

G1

80V
GND

J077

NC

0.1UF

C111

CON5_0

H803

GND

DSDA

DSCL

VS

HS

5V

Sense

33K

R440

+

100UF 16V

C113

SAA4849

1/4W

80V

+

47UF

C100

2200

C124

0.35V

3.159V

NC

75K

R137

2.4K

R103

4.42V

(S

W

103)

NC

R115

100

R117

4K7

R158

56A1133-508

VOUT2

VG

150  1/4W

R705

100

R132

39K 1/4W

R969

J061

JUMP

12V

0.042V

100

R172

2.527V

12V

1.8K

R114

100

R143

0.202V

0.974V

1500PF 100V

C117

0.1UF

C120

KEY2

12V

2K 1/4W

R972

HF

1000UF

C105

1.8K

R113

10K

R126

+

100PF

C107

4.94V

Green

LED3

2200 NC

C108

2.519V

6.3V

S

W

104

2K4

R181

1UF 50V

C118

0.284V

0.252V

NC

ZD106

2K4

R102

3K3

R168

100

R164

VOUT1

10

R111

33PF

C131

36K 1/4W

R417

DEG

47K 1/4W

R967

6.2V

ZD104

D103

1N5817

4.936V

100

R145

0.846V

3.043V

100

R120

2.4K

R134

<S

W

103>

EHT

5V

O

range

LE

D2

BDRV

VDF

4.7K

R123

47

R119

D914

BAV20

2.431V

1K

R152

+

100UF 16V

C104

100

R105

2.173V

<S

W

104>

18K

R142

0.4043V

7K5 1/4W

R133

D705

1N4148

2.4K 1/4W

R155

0.284V

+

4.7UF

C434

80V

(S

W

103)

CS0

VR902

2K2

UF4004

D929

+

22U

C145

27K

R183

JUMPER

R447

S

W

105

1.392V

470

R125

0.23V

HDRV

4.747V

100

R122

10K

R144

J78

NC

80V

KeyBoard

小板所需插

PIN

6.2V

ZD102

XRAY

56K

R147

100p

C122

0.057V

4.286V

1N4148

D104

4.801V

10K

R149

J022

NC

4.747V

J062 NC

ZD107

TZX5V1B

5.6K

R104

6.2V

ZD105

12V

EWDRV

2SC1213

Q906

2.2K

R131

ROTA

470PF

C127

<S

W

101>

100

R103

3.283V

4.412V

10

R110

4.802V

100

R101

4.909V

51K

 1/4W

R138

5V

S

W

106

16V

+

100U 16V

C909

H-LIN

10000P

C123

2K4

R167

3.9K

R116

1K

R163

0.1UF

C102

CON5_0

P102  NC

5V

/12V

LE

D

KEY1

KEY2

GND

4.93V

0.47U

C115

0.276V

5K6

R127

3.9K

R134

4.910V

5K6

R182

100

R165

J074

NC

1K

R124

KEY2

HD

11K

 1/4W

R418

5V

5.6K

R136

NC

D103

HF

UNLOCK

220K 1/4W

R420

33K

R489

HFB

100

R159

Jumper

R121

7K5

R146

55V

ZD101

J076

NC

4.943V

470

R135

120K 1/4W

R416

10K

R130

1000PF

C130

5.557V

1.353V

5.6V

ZD902

3.94V

1K

R162

1K2

R118

715A1415-*

+

22U 50V

C433

5V

2K7

R156

100p

C121

150

R112

StandBy

 

Содержание PerfectFlat E90fB-4

Страница 1: ...fB 4 1 Confidential Do Not Copy ViewSonic E90fB 4 Model No VCDTSXXXX X 19 Digital Controlled Color Monitor E90fB 4_SM_884 Rev 1a Jun 2005 ViewSonic 381 Brea Canyon Road Walnut California 91789 USA 800...

Страница 2: ...either expressed or implied with respect to the contents hereof and specifically disclaims any warranty of merchantability or fitness for any particular purpose Further ViewSonic reserves the right to...

Страница 3: ...otices 1 2 Specification 3 3 Front Panel Function Control Description 6 4 Circuit Description 10 5 Adjusting Procedure 13 6 Trouble Shooting Flow Chart 17 7 Recommended Spare Parts List 24 8 Exploded...

Страница 4: ...d AC power line before servicing the chassis 3 2 In servicing pay attention to original lead dress especially in the high voltage circuit If a short circuit is found replace all parts which have been...

Страница 5: ...se only Panasonic replacement picture tubes 7 X RADIATION WARNING The only potential source of X Radiation is the picture tube However when the high voltage circuit is operating properly there is no p...

Страница 6: ...e V Morie Memory Recall Language ViewMeter OSD position select 5 Input Video Signal Timing Timing116 Timing119 Timing 127 Timing 129 Timing 139 Resolution 640 480 640 480 800 600 800 600 1024 768 H KH...

Страница 7: ...lbs Net 21 2 kgs 46 7 lbs Gross 15 Dimensions Machine Package Width 445 mm 17 6 inches 540 mm Height 424 mm 16 7 inches 378 mm 14 9 inches w o base 530 mm Depth 465 mm 18 3 inches 570mm 16 External C...

Страница 8: ...em device and lock both screws on the connector to ensure firm grounding The connector information is as follow 15 Pin Color Display Signal Cable PIN NO DESCRIPTION PIN NO DESCRIPTION 1 RED V 9 5V Fro...

Страница 9: ...Front Panel Function Control Description Adjusting the Screen Image Use the buttons on the front control panel to display and adjust the OSD controls The OSD controls are explained at the top of the...

Страница 10: ...y briefly indicating that the OSD image settings are now unlocked Do the following to adjust the screen image 1 To display the Main Menu press button 1 2 To select a control you want to adjust press t...

Страница 11: ...ht of the screen image Horizontal Size adjusts width of the screen image Vertical Position moves the screen image up or down Pincushion curves the vertical sides of the screen image Pin Balance curves...

Страница 12: ...in most office settings with fluorescent lighting 6500K Adds red to the screen image for warmer white and richer red 5000K Adds blue and green to the screen image for a darker color User Color Individ...

Страница 13: ...g with full auto sync Capability a flexible SMPS block and an extensive set of geometry control facilities Further the IC generates the drive waveforms for DC coupled vertical boosters to the TDA4863A...

Страница 14: ...48MHz Other quartz crystal frequencies than 48 MHz cannot be used External capacitors on XTAL1 and XTAL2 are not allowed B Control Function Block The B control block of the SAA4849 has the same behavi...

Страница 15: ...ltage D930 Rectifier for Output Voltage D918 Rectifier for Output Voltage IC901 Power IC for Switching Power Control Q937 Q937 Use for Power Saving Q912 Q920 Push Pull Topology to Drive Q911 Q913 Dega...

Страница 16: ...SW102 DOWN PCB MAIN SW103 SELECT PCB MAIN SW104 5 3 ADJUSTMENT METHOD 1 14V B HV voltage adjustment A Chroma 2000 Signal generator or PC equivalent set mode 1 VGA 640X480 pattern 1 0 B Connect a DC Vo...

Страница 17: ...SS G BIAS PINCUSHION R BIAS TRAPEZOID 9300 COLOR TEMPERATURE PIN BALANCE 6500 COLOR TEMPERATURE PARALLELOGRAM 50 COLOR TEMPERATURE ROTATION OSD EXIT HD H DRIVER COMPENSATION VG MAX V SIZE GAIN RANGE H...

Страница 18: ...e and save in the memory 3 White Balance Luminance adjustment A Press MENU Key to show OSD menu and press the down Key to select the size center function then press the menu Key to enter second menu p...

Страница 19: ...wo tabs which should be approximately 180 D Check the complete blue and complete green patterns to observe their respective color purity Make minor adjustments if needed RELATIVE PLACEMENT OF TYPICAL...

Страница 20: ...VOLTAGE CHECK THE VOLTAGE OF CRT HEATER ABOUT 6 3V CHECK VOLTAGE OF THE CRT CHECK BRIGHTNESS CIRCUIT OK CHECK POWER SAVING CIRCUIT ABNORMAL H SYNC V SYNC SIGNAL CHECK SCREEN VOLTAGE ABOUT LESS THAN 30...

Страница 21: ...IC801 R G B APPROACH STANDARD CHECK SIGNAL CABLE OR INTERFACE CARD CONTRAST SET MAX PIN 10 18 ABOUT 5V CHECK 5V RELATIVE CIRCUIT CHECK THE IC801 PIN 23 RELATIVE CIRCUIT RELATIVE CIRCUIT CHECK IC801 PI...

Страница 22: ...F CHECK THE VOLTAGE OF CRT CATHODE ABOUT 40Vpp CHECK THE VOLTAGE OF FBT SCREEN CHECK THE RELATIVE CIRCUIT CHECK THE 5V PIN ON MAIN PCB RELATIVE CIRCUIT OF P802 CONNECTOR ABOUT 400V TO 700V EXCEED 700V...

Страница 23: ...4 HOR OSC DEF HV CIRCUIT FAULT 6 4 1 NO RASTER DISCONNECT WITH SIGNAL CABLE NG OK OK OK NG NG NG CHECK THE COLLECTOR VOLTAGE CHECK THE COLLECTOR VOLTAGE RELATIVE CIRCUIT RELATIVE CIRCUIT CHECK Q402 T4...

Страница 24: ...ABNORMAL HORIZONTAL WIDTH OF VIDEO NG OK CHECK THE RELATIVE CIRCUIT CHECK THE RELATIVE CIRCUIT OF SMPS READJUST H WIDTH FUNCTION OFQ406 CHECK THE HV OF CHECK FBT B VOLTAGE CRT ABOUT 25KV ABOUT 62V AT...

Страница 25: ...IT NG READJUST V SIZE FUNCTION VALUE CHECK THE VOLTAGE OF IC101 RELATIVE CIRCUIT CHECK IC101 PIN33 34 CHECK THE IC601 PIN1 ABOUT 11 8V PIN 4 ABOUT 12V CHECK D601 C605 6 6 2 VERTICAL CENTER NG READJUST...

Страница 26: ...NORMAL VARIABLE OUTPUT NG OK NG OK OK NG NG OK OK OK NG OK NG YES NO CHECK BRIDGE RECTIFIED CHECK START C K T CHECK IC101 CHECK D925 CHECK Q911 Q911 FAILURE CHECK IC901 CHECK AC LINE VOLT 120V OR 220V...

Страница 27: ...S 34C 741 QE L BASE 1 PCS 34C6285AE7 F FRONT PANEL 1 PCS 34C6286 E7 F BACK COVER 1 PCS 34C6293 QE L SWIVEL 1 PCS 40C 153 17 1B CRT WARNING LABEL 1 PCS 40C 58162410A H V LABEL 1 PCS 40C 58162435A MANUA...

Страница 28: ...0 2 Rear Bracket 1 PCS 40C 581624 2B CHASSIS LABEL 1 PCS 55A 1 4 SOLDER BAR 22 G 71C 100 8 FERRITE CORE 12 25 15 1 PCS B1C1040 12128 SCREW 1 PCS D1C1140 7128 SCREW 4X7 FOR AC 1 PCS M1C1140 6128 SCREW...

Страница 29: ...UF 275V C902 1 PCS 67C 3022114P 220UF 400V C907 1 PCS 67C 305472 3 4700UF 16V C918 1 PCS 65C 2M103 3A6921 10000PF 2KV C919 1 PCS 67C 215470 10 47UF 20 160V C930 1 PCS 67C 21522012P LOW E SD 22UF 250V...

Страница 30: ...FR 0 51 OHM 5 3W R428 1 PCS 61C152M220 64 22 OHM 5 2W R455 1 PCS 61C153M151 59 MOFR 150 OHM 5 3W R456 1 PCS 61C152M109 64 MOFR 1 OHM 5 2W R607 1 PCS 61C152M688 64 MOFR 0 68 OHM 5 2W R608 1 PCS 61C152M...

Страница 31: ...44210113T 100PF 5 NPO 50V C121 1 PCS 65C 44210113T 100PF 5 NPO 50V C122 1 PCS 65C 450103 7T 10000PF 50V Y5V 80 2 C123 1 PCS 65C 444222 5T 2200PF 10 Y5P 50V C124 1 PCS 65C 442471 9T 470PF 50V C127 1 PC...

Страница 32: ...20 1 PCS 64C178J103 2T MPE 0 01UF 250V 5 C925 1 PCS 65C 2K221 5T6921 220PF 2000V C927 1 PCS 65C 1K470 5T6921 47P 1KV C928 1 PCS 67C 305470 4T 47UF 20 25V C929 1 PCS 65C 450473 4T 47000PF 20 80 50V Z5...

Страница 33: ...1 PCS 93C 521ZJ26T SB240 D923 1 PCS 93C1040 252T UF4004 D929 1 PCS 93C202050052T BYV27 200 D930 1 PCS 93A 64 1152T DIODE 1N4148 D936 1 PCS 93A 64 1152T DIODE 1N4148 D937 1 PCS 93C106050152T BYV26C TFK...

Страница 34: ...OHM 5 1 6W R102 1 PCS 61C 60210152T CFR 100 OHM 5 1 6W R103 1 PCS 61C 60210152T CFR 100 OHM 5 1 6W R104 1 PCS 61C 60210152T CFR 100 OHM 5 1 6W R105 1 PCS 61C 60215352T CFR 15K OHM 5 1 6W R106 1 PCS 61...

Страница 35: ...0275252T CFR 7 5K OHM 5 1 6W R146 1 PCS 61C 17256352T CFR 56K OHM 5 1 4W R147 1 PCS 61C 60247252T CFR 4 7K OHM 5 1 6W R148 1 PCS 61C 60210352T CFR 10K OHM 5 1 6W R149 1 PCS 61C 17212452T CFR 120K OHM...

Страница 36: ...1C 17210452T CFR100K OHM 5 1 4W R435 1 PCS 61C 17222252T CFR 2 2KOHM 5 1 4W R437 1 PCS 61C 60233352T CFR 33K OHM 5 1 6W R440 1 PCS 61C 17222252T CFR 2 2KOHM 5 1 4W R442 1 PCS 61C 60247252T CFR 4 7K OH...

Страница 37: ...OHM 5 1 6W R748 1 PCS 61C 17262352T CFR 62K OHM 5 1 4W R749 1 PCS 61C 60222152T CFR 220 OHM 5 1 6W R751 1 PCS 61A212Y10652T 10MOHM 5 1 2W R900 1 PCS 61A212Y10552T MGFR 1M OHM 5 1 2W R901 1 PCS 61C 602...

Страница 38: ...1 PCS 61C 17247352T CFR 47K OHM 5 1 4W R967 1 PCS 61C 17239352T CFR 39K OHM 5 1 4W R969 1 PCS 61C175L22452T CFR 220K OHM 5 1 2W R970 1 PCS 61C 17220252T CFR 2KOHM 5 1 4W R972 1 PCS 61A212Y20452T MGFR...

Страница 39: ...51652T TZX5V1B ZD701 1 PCS 93C 39 7352T HZ6B1 E ZD702 1 PCS 93C 3951652T TZX5V1B ZD726 1 PCS 93C 3951852T TZX8V2A ZD901 1 PCS 93C 39 7352T HZ6B1 E ZD902 1 PCS 93C 39 7752T HZ5C1 E ZD904 1 PCS CRP985D1...

Страница 40: ...V C814 1 PCS 64C176J104 0T 0 1UF 5 63V C815 1 PCS 65C 444101 5T 100 PF 10 50V Y5P C816 1 PCS 65C 444101 5T 100 PF 10 50V Y5P C817 1 PCS 65C 444101 5T 100 PF 10 50V Y5P C818 1 PCS 67C 305470 3T 47UF 20...

Страница 41: ...ODE 1N4148 D812 1 PCS 93A 64 1152T DIODE 1N4148 D813 1 PCS 93A 64 1152T DIODE 1N4148 D814 1 PCS 61C175L56452T CFR 560K OHM 5 1 2W FB804 1 PCS 71C 55 9 T C CORE RF BEAD RH 3 5X6X0 FB805 1 PCS 71C 55 9...

Страница 42: ...233452T CFR 330K OHM 5 1 4W R837 1 PCS 61C 20733052T 33OHM 1 2W R840 1 PCS 73C 5447810T 0 47UH 10 peaking co R841 1 PCS 73C 5447810T 0 47UH 10 peaking co R842 1 PCS 73C 5447810T 0 47UH 10 peaking co R...

Страница 43: ...03 9 PIN 1 PCS 61C 58 9T NTCR 10OHM 20 5A THIN NR901 1 PCS 87C 501 6 AC SOCKET 1 PCS 95C 800 2 1 WIRE HARNESS CN901 1 PCS 84A 7H400 SL FUSE 4A 250V LF 618 004 F901 1 PCS 84C 33 10 FUSE CLIP F901 2 PCS...

Страница 44: ...iagram And Spare Parts List AD AC AB W AA Z Y X V U T S Q R P O N M K L J I F H G E D C B A 1 2 3 4 5 6 8 7 9 10 11 12 13 14 15 16 17 32 21 18 19 20 22 23 24 25 26 27 28 29 30 31 33 34 35 36 37 38 39...

Страница 45: ...6285 AE7 F BEZEL 1PCS 3 33C6339 E7 F OSD KNOB 1PCS 4 33C6338 E7 F KEY PAD 1 PCS 5 33C6337 1 LENS 1PCS 6 33C6336 E7 F POWER KNOB 1 PCS 7 1C 503 5T 47 SCREW 4 PCS 8 85C6027 606 SHIELD 1 PCS 9 34C6286 E7...

Страница 46: ...ViewSonic Corporation E90fB 4 43 Confidential Do Not Copy 9 BLOCK DIAGRAM...

Страница 47: ...47 48 51 12 55 56 22 23 24 25 26 27 28 35 34 33 32 31 30 29 SwiChoice ISCL ISDA Mute G1 Hs Vs DSCL ROTA Pro H LIN Unlock CLAMP VsOUT CS1 CS2 NC OFF VSSE VDDD V5V VSSD BDRV HBGND HDRV HFB Iref Vref AG...

Страница 48: ...ViewSonic Corporation E90fB 4 45 Confidential Do Not Copy SAA4849...

Страница 49: ...E90fB 4 46 Confidential Do Not Copy M24C08 BN6 IC102 8 5 6 1 2 3 7 4 VCC ISDA ISCL A0 A1 A2 WP A4 IC601 TDA4863AJ 1 3 2 6 7 4 5 VCC N VF I P I P GND O P 4 7 1 2 6 3 5 AMPLITIER POWER PROTECTION THERM...

Страница 50: ...on E90fB 4 47 Confidential Do Not Copy IC801 LM1246DKA 1 2 3 4 23 24 5 6 7 8 9 10 15 16 17 18 19 20 21 22 11 12 14 13 V FLY CAPA VDD1 GND1 CLAMP H FLY R G B GNDPLL VCO VCC 2OUT 1OUT GND VDD B G R ABL...

Страница 51: ...ViewSonic Corporation E90fB 4 48 Confidential Do Not Copy IC901 TEA1507P 1 2 3 4 5 6 7 8 VCC GND CTRL DEMAG SENSE DRIVER NC DRAIN IC801 LM1246DKA...

Страница 52: ...ViewSonic Corporation E90fB 4 49 Confidential Do Not Copy...

Страница 53: ...ic Corporation E90fB 4 50 Confidential Do Not Copy IC802 LM2476 15 19 17 18 16 2 8 14 3 6 4 1 5 13 10 7 9 12 11 OUTD1 OUTD2 OUTD3 N C N C VBB INC3 VCC IND3 INC1 IND1 IND2 GND OUTC3 GNDS INC2 OUTC1 N C...

Страница 54: ...124 0 35V 3 159V NC 75K R137 2 4K R103 4 42V SW103 NC R115 100 R117 4K7 R158 56A1133 508 VOUT2 VG 150 1 4W R705 100 R132 39K 1 4W R969 J061 JUMP 12V 0 042V 100 R172 2 527V 12V 1 8K R114 100 R143 0 202...

Страница 55: ...0uF 400V or150uF 450V C907 7K5 R902 500V DEGAUSS IC101 PIN39 68K 9NK70Z Q901 t NR901 3 10 M 1 2W R900 2 2UF 50V C912 1M 1 2W R921 68K L903 73C 25810110T 40KHZ 0 6KV 10U 16V C967 C945 Q912 C940 1n 500V...

Страница 56: ...0K 1 4W R415 150PF 2KV C488 270 1 2W R609 57A419 503 T NR601 57A419 503 T 10 1 4W R450 6 8K R748 4K7 R446 2SC945P NC R717 2 2K R442 1 2W R607 JUMPER R484 G1 11 92V 1 1K 1 4W R414 47K 1 4W R412 Q402 BS...

Страница 57: ...9 BAV21 D804 100OHM L807 1000p 250V C847 J811 BEAD 1N4148 D811 0 1UF C832 68PF C839 B I 8 3 0 7 33 R821 220P 1KV C841 100P C809 10P C842 J810 BEAD 470 C837 BEAD L804 J818 BEAD JUMP R807 R I 53A40 8 FB...

Страница 58: ...ViewSonic Corporation E90fB 4 55 Confidential Do Not Copy 11 PCB LAYOUT 11 1 MAIN PCB LAYOUT...

Страница 59: ...ViewSonic Corporation E90fB 4 56 Confidential Do Not Copy 11 2 CRT BOARD LAYOUT...

Страница 60: ...n 4 Circuit Description 5 Adjusting Procedure 6 Trouble Shooting Flow Chart 7 Recommended Spare Parts List 8 Exploded Diagram and Spare Parts List 9 Block Diagram 10 Schematic Diagrams 11 PCB Layout D...

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