background image

8

8

7

7

6

6

5

5

4

4

3

3

2

2

1

1

D

D

C

C

B

B

A

A

IC LM308

0

302

NOTES

1. RESISTOR VALUES ARE IN O(OH

M)

 K

=1

,0

00

 M=1,000,000

2. ALL RESISTOR ARE 1/8WATT. EXCEPT

 WHERE OTHERWISE INDICATED

3. CAPACITOR VALUES ARE IN uf UNLES

OTHERWISE INDICATED P=pf

4. ALL CAPACITOR ARE 50 VOLTS EXCEP

WHERE OTHERWISE INDICATED

1

3

5

7

G1

ABL

GND

4

3

2

7

6

5

T501

B901

7

6

3,

4

2

1

B302

*

*

B502

B+ ADJ

5. J88:15" USE 

J4:14" USE.

1

2

3

4

5

6

7

89

10

11

12

13

14

15

16

H-IN

V-IN

GND

H-OUT

V-OUT

CLAMP

SELECT

DELAY

VDD

350

400

480

600

768

OSC

OSC

8

DOUBLE

 FOCUS

 CIRCUIT

(17"

 U

SE)

IC801

CM1438

T602

B501

J4

15

14

16

12

9

10

11

13

BLINKING

B801

H-SYN

C

FROM

FB

T

G1.DRV

J88

V-RETR IN

GP-OUT

H-RETR IN

12

31

1

13

12

18

H-IN

V-IN

V-LIN

V-SIZE

H-PHASE

VS

H-OUT

H-GND

VREF

V-RAMP

LIN-OUT

V-HOLD

C

V-GND

C

PHASE COMP

R1

PHASE COMP2

C

H-FLYBACK INPUT

TDA9102B

TDA8172

4

OUTPUT

Vs

OUTPUT STAGE SUPPLY

FLYBACK

SCREEN

FOCUS

GND

VCC

OUT

4

8

S

D

IP3842N

HV

IC601

IC301

SENSE

100-100-1428

1

.0

K R I S T E L   Corporati

on

D

00

Thursday, March 04, 

1999

Size

D

ocument Numbe

r

R

e

v

Date:

Sheet

of

?

94S7RPFE

?

94S7RX9H

?

95#Y9IA3

?

978GNTEP

?

978H1C4E

I00243

978GVO@U

I00245

95#Y9CRH

14

17

16

10

20

7

5

23

6

7

Vref

8

9

1

INVERTING

GND

57

26

G

COMP
1

R/C

VREF

FB

3

4

88V

12V

GND

7V

6

19

15

INPUT

5

12V

12V

12V

5V

R620

1.5K

D301 1N4002

+

C312 220uF

25V

+

C308 2200U

25V 105

R311

1.5K

R315 0.68 1W

R310 6.8K

R313

1.5R 1/2W

C314

0.22uF

+

C311 47uF 25V

+

C310

47U

50V

R308 12K

V-YOKE

C321

0.1uF

R914

2K

R913

2K

C905 0.1u

100V

+

C904 10u

50V

R912 1.5K 1/2W

Q903

2SC1213C

D904

FF1004

Q301

2SA733

R318 1K

R319 1K

R317

3.9K

R316 100R

1W

Q302

2SC1213C

R911

10K

+

C903 1u 50V

R906

150K

Q902

2SA733

VR302

5KB

V-CENT

+

C902 10U

200V 105

C306

0.33U

MEF

R907 270K

R503 150K

R506

27K

R512 47R

R509 10K

R513

0.22R

2W

R510 1K

R504 22K

R507

22R

+

C307 1000U

16V

R508 30K

R516 330 3W

R517

470

C502 0.1uF AC250V

C503

R515 27K 3W

C509 101

C507 104

C510 222J

C513 681

R502 120K

3W

C504

222

AC250V X2

C501 0.1uF AC250V

C516 103 1KV

D508

HER108

D509

HER204

D512

HER204

+

C526 1000U 25V

+

C505 330U 400V

+

C506 100U

25V

+

C512

47uF 50V

+

C520 100U

160V 105

+

C523 1000U

25V 105

+

C522 470U 25V

105

+

C524 470U 25V

+

C521 22U

160V

105

D502 BA159

Q503

B988

D505 HER103

D504

FR103

D513

MR856

D507

MR856

D514

MR856

R518

10

2W

R360 2.2

2W

R923

6.8K

R921

2.2K

C313 100U

25V

R361

470

R804

1M

R910

2.2K

Q906 C945

C540 100U 25V

L603 H-LIN

R634

1K

+

C615 4.7uF

50V

L501 25MH

-+

BD501 KBL06G

4A600V

L503

18uH

F501

T3A 220V

T3.15 110V

Q501

FS7KM-16

AC SW

AC100V -240V

ZD502 18V

C508 0.22U MEF

DEGAUSSIN

G

COIL

R521

4.7K

C517

472

AC400V

R501

5R

NTCR

L604

18UH

R522

10K 2W

R633

13

W

PT501

14 PTCR

D506 MR856

C814 100U

25V

R524 180

C511 0.1U

R545

1.2K 2W

C530

103

500V

LED GREEN

C335 1U 25V

VR309

B10K

V-SIZE

C338 0.1U

PEI

R603 220 1/2W

R604 150K

VR601

10K H-HOLD

R606 3.3K

D907 4148

D909

4148

R922

4.7K

R920 8.2K

+

C527 100U

160V 105

D908 4148

C315 0.1U

PEI

Q306 TIP122

R347 470

VR307

5K

H-SIZE

C518

220P

1KV

VR308 B10K

SUB-H SIZ

E

R505 510K

R344 1.2K

R511

56

D520

4148

VR301 B10K

S CORRECTIO

N

R363 220

1/2W

R336 220K

R349 220K

1/2W

R343 2.7K

C302

10U

L602 180UH

C606 1U

25V

R345

15K 1/2W

R602

1.5K

C334 2.2U 100V

MEF

D511

HER204

R920 12K

Q901

BF423

R903 10K

C666 0.1U

VR310

B5K

V-LIN

R339 33K

R331 150K

R332 150K

R333

22K

R334

22K

C331

10U 25V

S601

C945

C901 1U

C330

1U

E.C

VR304 1K

PIN

R337

3.3K

Q303 C945

R340

4.7K

C333 10U

25V

Q304 A733P

R338 3.3K

R335

43K

Q308

A733P

R341

4.7K

C332 10U

25V

R342 4.7K

VR902

B100K BRIGHT

C906

0.1U

100V

MEF

R909 1K

Q904 BF422

R908

2.2K

R905 470

R901 10

VR901 B2K

SUB-

BRIGHT

R904 1.5K

D503

BA159

C514 102

1KV

R514

10K

3W

H-YOKE

C362

103

PEI

R618

330 1/2W

T601

HDT

R617

47R

1/2W

C613 471 1KV

Q602 C5149

Q601

C1213C

C621 103

D602

RP3F

R612 330

C611 512

2KV

R613

220R

R614 390R

+

C609 100U

25V

R615 240 2W

ZD601

6.2V

R619 8.2K

+

C616 4.7U 50V

VR602 5KB

X-RAY

D605

FF1003

L502

18UH

XR801

4.7K

D804

1N4148

Q805

A733

Q806

A733 Q807

A733

C316

2200U

25V

105

C809 10U

25V

C808 0.1U

C806 0.1U

R822 10K

C814

0.1U

+

C320

47uF

2

5

V

C620

103 630V

R635 5.1K

D610

RG4A

L801

560UH

C804

100U

25V

R816

4.7K

R818

1K

Q804 C945

R817 10K

C801

0.1U

R801 3.3K

R802

1.5K

R803 1.5K

R815

100

1W

VR501

5K

C802 56P

C803 56P

X801

3.58MHZ

ZD801 HZ5.1V

D801

IN4148

D802

IN4148

D803

IN4148

R812

6.8K

J60

2.2K

J58

1.8K

R809

220K

R808

20K

R807 3.9K

R806

750

R810 1K

R607

56K

Q801 C945

C805

100U

25V

R819 10K

Q803 BF422

R820

10K

Q802 C945

R608 3.3K

+

C603 2.2U

50V

R823 10K

R811 1K

C601

102

C605 223

C304 1uF

NP

R302

150K

R305

5.6K

R609 33K

L601

560UH

C305

0.22uF

PEI

R303 36K

1/%

C630 0.82U 250V

R304

47K

C525

1000U 25V

105

R327

15K

R301

33K

C602 272

C303

104

R611 15K

VR604

10KB

H-PHASE

R307 6.8K

C608

220P

NPO

R309

47K

R314

47K

R527 560K 1/2W

TP4

Содержание 1428-30k series

Страница 1: ...S E R V I C E M A N U A L 1428 30K Series Color Monitors Copyright 1997 Produced by M M ...

Страница 2: ...GNALS Video Red Green Blue separate input Impedance 75 ohm amplitude 0 7Vp p Horizontal scan 31 5 KHz 35 5 KHz TTL positive or negative Vertical signal 50 70Hz VIDEO CHARACTERISTICS Video bandwidth 45MHz Power supply universal 90 250vAC Resolution VGA sVGA Linear distortion 10 max Geometric distortion 3 0mm max top bottom 4 0mm max left right ENVIRONMENTAL CONDITIONS Operating temp 0 55 degree C C...

Страница 3: ...RIZONTAL size VERTICAL size CONTRAST BRIGHTNESS VERTICAL center HORIZONTAL phase SUB BRIGHTNESS RASTER center SUB SIZE VERTICAL lin SUB HORIZ size X RAY prot HORIZONTAL hold B adj PINCUSHION GAIN R G B bias R B Gain WARNING FOR CONTINUED SAFETY REPLACE SAFETY CRITICAL COMPO NENTS ONLY WITH MANUFACTURER RECOMMENDED PARTS AVERTISSEMENT POUR MAINTENIR LE DEGRE DE SECURITE DE L APPAREIL NE REMPLACER L...

Страница 4: ... and mechanical parts in display sets have special safety related characteristics These characteristics are often not evident from visual inspection nor can the protection afforded by them necessarily be obtained by using replacement compo nents rated for higher voltage wattage current etc 5 If severe arcing occurs remove AC power immediately and determine the cause by visual inspection incorect i...

Страница 5: ...and other tube voltages are adjusted to the recommended values SHOCK HAZARD To remove any residual charge short the anode contact button located in the funnel of the tube to the external conductive coating before handling the tube TUBE HANDLING Tube assembly should never be handled by the tube neck deflection yoke or other neck components If suspending the tube assembly from the mounting lugs en s...

Страница 6: ...il con T602 FBT Tunning cap C611 Damping diode D602 Horiz drive trafo T601 Horiz Output Q602 Driver Resistor R615 VR602 X Ray VR308 sub H size VR604 Raster cent VR601 H Hold VR310 V Lin LED power indic POWER SUPPLY Bridge Rectifier Q501 MOSFET L501 FCC choke SYNC SECTION VERT SEC L603 Linearity coil VR CONTROL INFORMATION CONNECTORS INFORMATION PRINCIPAL SECTIONS AREA KRISTEL 100 100 1428 30K PCB ...

Страница 7: ...602 Horiz drive trafo T601 Horiz Output Q602 Driver Resistor R615 VR602 X Ray VR308 sub H size VR604 Raster cent VR601 H Hold VR310 V Lin LED power indic POWER SUPPLY Bridge Rectifier Q501 MOSFET L501 FCC choke SYNC SECTION VERT SEC L603 Linearity coil KRISTEL 100 100 1428 30K PCB rev A FIG 1A FIG 2A NOTE for AutoBias optional configuration B902 is NOT used and B901 is like in fig 2A B902 AUTOBIAS...

Страница 8: ...e Gain adj video conn LM1203 PREAMPLIFIER CIRCUIT R208 contrast conn DAG spring conn R236 R233 R286 Load Resistors G2 connector GND clamp GND V H sync conn to B901 main PCB G1 ABL and GND connect to B901 main PCB GND2 to B503 main PCB 12vDC from B503 main PCB B from B503 main PCB 7vDC heater from B503 main PCB BLK Blanking from B902 main PCB CRT socket ...

Страница 9: ...IER 3 channel IC201 blue wire HR red wire ABL CONTRAST CONNECTOR GND5 ground yellow wire Vsync blue wire Hsync P201 LOGIC CONNECTOR CRT socket large or small neck NOTE small neck ABN02CX large neck ABN02C red wire HTR1 blue wire 88vDC black wire GND2 gray wire GND3 GND1 dag spring connect G2 pin connector white wire 12vDC CRT BOARD ver ABN02CX green wire GP white wire VR yellow wire G1DRV ...

Страница 10: ...e video output stages Q205 Q202 Q206 and Q207 comprise the Red Video Output stage The Auto matic Biasing System adds a Bias Control Processor IC202 plus Beam Current Buffers IC203B D a G1 control circuit IC203A and clamping circuits IC201 contains three video preamplifiers with DC controlled gain and DC clamping IC202 contains timing circuits sample and hold circuits and buffers The three video ch...

Страница 11: ...1428 30k series AUTO BIAS ...

Страница 12: ...0k series TOP OVERLAY KRISTEL 100 100 1428 30K PCB PURPLE Power Supply Section RED Sync Processing Section BLUE Vertical Section GREEN Horizontal Output Section YELLOW HV Section FBT CORAL Electronic Width Control ...

Страница 13: ...ked area with red square is subject to be changed accordingly with the model of the CRT and the characteristics of the deflection yoke existing on the CRT Actual schematics is not refered as autobias video board pg 8 1428 30k series TO B503 main PCB B211 to B901 main PCB To B801 main PCB G1 ABL GND ...

Страница 14: ...s BLOCK DIAGRAM 100 100 1428 30K OPTIONAL for AUTOBIAS VERTICAL YOKE HORIZONTAL YOKE 110 240 vAC CHARACTERISTICS of potentiometers NOT USED in AB configuration Hsize VR307 5Kohm Vsize VR309 10Kohm Contrast VR201 10Kohm Vcent VR302 5Kohm Hphase VR604 Brightness VR901 100kohm ...

Страница 15: ... CIRCUIT pg 10 1428 30k series FUNCTIONAL BLOCK DIAGRAM Switching Power Supply The power circuit includes the lines filter input rectifier circuit start up current mode control and OVP Please refer to the circuit diagram to Q803 coll to R815 R604 L601 to R615 IC301 to pin2 FBT to R339 R331 ...

Страница 16: ...for driving the gate of Q501 The current mode sensing resistor R513 senses the primary current wave in order to control the current mode PWM and limit the total output power Pin 2 and pin 1 is an error AMP section IC501 detects the output voltage while the line voltage and load current change 1 5 OVP CIRCUIT ZD502 is the OVP circuit over voltage protection If an over voltage condition exists the Z...

Страница 17: ...l horizontal and vertical sync signal Pin 7 works as a frequency discrimination which is active low Pin 9 and 14 work as mode selector which controls output These output pins are to control Vsize Hphase and Hosc of every display mode 3 HORIZONTAL VERTICAL PROCESSOR The IC 601 is a combination horizontal and vertical processor The vertical SYNC is applied to pin 14 of IC601 Oscillation is determine...

Страница 18: ... C611 D602 D610 and H DY The parabolic wave is fed to the base of Q303 via double integrated circuit wich can generate a side pincush ion compensation wave The H width control voltage and parabolic wave are amplified by Q304 and Q306 then they are fed to the diode modulator for controlling the source voltage of the horizontal deflection circuit pg 14 1428 30k series ELECTRONIC WIDTH CONTROL schema...

Страница 19: ...o amplify each R G B channel The value for channel gain is calculated by collector and emitter resistances The L205 L204 and L205 are series peaking inductors The output amplifier circuit stage consisting of Q202 Q205 Q206 and Q205 is used to amplify video signal to 40Vp p and is represent one of the R G B channels SG202 SG201 and SG203 respectively R252 and R253 are arc protection components whic...

Страница 20: ...pg 16 1428 30k series ELECTRICAL DATA AND RATINGS CHUNGHWA 14 ...

Страница 21: ...pg 17 1428 30k series ...

Страница 22: ... for standard VGA mode of 480 lines WARM UP TIME Minimum 15 minutes is required for warming up the monitor Direction CRT faces East Ambient lighting environment 400 to 600 lux AMBIENT TEMPERATURE 25 C 77 F TESTING MODE 640x480 800x600 upon request TOOLS and TEST EQUIPMENT Required miniature flat screw driver plastic Hex wrench ass t clips and 1μF 50v capacitor external degaussing coil color analyz...

Страница 23: ...arity adjustment adjust VR310 to allow no more than 3 0mm max misadjustment Vertical size is performed from VR309 remote control potentiometer Width size adj is performed from VR307 and VR501 maximum attention for heater voltage maximum permissible value must be between 5 9 6 5vDC Horizontal raster centering is performed from VR604 Horizontal Phase adjustment input 31 5kHz timing with crosshatch p...

Страница 24: ...ired previous experience display magenta color pattern adjust the purity magnet so that the picture is in magenta color By turning two overlap ping pawls in opposite directions move them until they are at the same angle 9 o clock and 3 o clock respectively as shown in fig 1 for static convergence adj as shown in fig 2 and fig 3 follow the next steps a display magenta crosshatch pattern b open the ...

Страница 25: ... pg 21 1428 30k series CONVERGENCE and PURITY ...

Страница 26: ... pg 22 1428 30k series MORE INFORMATION regarding convergence and purity R G B bias R B gain P 201 ...

Страница 27: ...pg 23 1428 30k series TROUBLE SHOOTING GUIDE ...

Страница 28: ... pg 24 1428 30k series ...

Страница 29: ... pg 25 1428 30k series ...

Страница 30: ...pg 26 1428 30k series ...

Страница 31: ...pg 27 1428 30k series BILL OF MATERIAL ...

Страница 32: ...pg 28 1428 30k series ...

Страница 33: ...pg 29 1428 30k series ...

Страница 34: ...pg 30 1428 30k series ...

Страница 35: ...pg 31 1428 30k series ...

Страница 36: ...pg 32 1428 30k series ...

Страница 37: ...pg 33 1428 30k series ...

Страница 38: ...pg 34 1428 30k series ...

Страница 39: ...pg 35 1428 30k series ...

Страница 40: ...pg 36 1428 30k series ...

Страница 41: ... R360 2 2 2W R923 6 8K R921 2 2K C313 100U 25V R361 470 R804 1M R910 2 2K Q906 C945 C540 100U 25V L603 H LIN R634 1K C615 4 7uF 50V L501 25MH BD501 KBL06G 4A600V L503 18uH F501 T3A 220V T3 15 110V Q501 FS7KM 16 AC SW AC100V 240V ZD502 18V C508 0 22U MEF DEGAUSSING COIL R521 4 7K C517 472 AC400V R501 5R NTCR L604 18UH R522 10K 2W R633 1 3W PT501 14 PTCR D506 MR856 C814 100U 25V R524 180 C511 0 1U R...

Страница 42: ...1428 30k series AUTO BIAS SCHEMATIC DIAGRAM 1428 30K AUTO BIAS ...

Страница 43: ...1428 30k series 555 South KIRK Road ST CHARLES IL 60174 phone 630 443 1290 fax 630 443 1390 CREATION PERFECTION TEAMWORK ...

Отзывы: