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--17--

Belinea 103052 Technical Service Manual

V

-sync

clamping

blanking

HUNLOCK

TDA

 4841 

SDA

SCL

Vcc

9.2 to 16 V

H-sync

(TTL

 level)

(video)

15

25

7

10

18

19

17

16

14

23

24

22

11

12

13

20

or

6

32

4

3

8

2

9

1

30

29

28

27

26

3.3 k             

R

(1)

HBUF

R

HREF

12 nF

10 nF

8.2 nF

100 nF

2%

1%

X-RA

Y

XSEL

HFLB

MHB603

5            

7V

1.2V

V

-SYNC INPUT

AND POLARITY

CORRECTION

VIDEO

CLAMPING

AND V

-BLANK

V

-POSITION

V

-SIZE, VOVSCN

PROTECTION

AND SOFT ST

AR

T

HUNLOCK

OUTPUT

I  C-BUS

RECEIVER

SUPPL

Y

AND

REFERENCE

COINCIDENCE DETECT

OR

FREQUENCY

 DETECT

O

PLL2, P

ARALLELOGRAM

PIN UNBALANCE 

AND

SOFT ST

AR

T

OUTPUT

ASYMMETRIC

EW

-CORRECTION

H/C-SYNC INPUT

AND POLARITY

CORRECTION

PLL1 AND

H-POSITION

HORIZONT

AL

OSCILLA

TOR

X-RA

Y

PROTECTION

B+

CONTROL

H-OUTPUT

ST

AGE

B+ CONTROL

APPLICA

TION

X-RA

Y

V

OUT2

V

OUT1

22 k 1%

100 nF 5%

150 nF

EWDR

V

HDR

V

(2)

2

I  C-BUS REGISTERS

2

VER

TICAL

OSCILLA

TOR

AND AGC

V

-OUTPUT

V

-LINEARITY

V

-LINEARITY

 BALANCE

EW

-OUTPUT

H-PINCUSHION H-CORNER H-TRAPEZIUM H-SIZE

V

-SYNC 

INTEGRA

TOR

(TTL

 level)

FOCUS

HORIZONT

AL

AND VER

TICAL

EHT COMPENSA

TION

H-SIZE AND 

V

-SIZE 

EHT compensation

via vertical size

21

31

EHT compensation via horizontal size

VSMOD

HSMOD

VREF

VCAP

V

AGC

HREF

HCAP

ASOR

BDR

V

BSENS

BOP

 BIN

BLOCK  DIAGRAM

Содержание Belinea 103052

Страница 1: ...Service Manual Model Belinea 103052 Art No 121721 MAXDATA Systeme GmbH Elbestrasse 12 16 45768 Marl Germany 121721 Service Manual...

Страница 2: ...ooting 10 11 Adjustment Method 12 12 Specification 15 13 Critical Parts Specification ___________________________________________ 16 14 Block Diagram __________________________________________________...

Страница 3: ...one at a time Measure the AC Voltage across the combination of 1500 ohm resistor and 0 15 capacitor Reverse the AC plug at the AC outlet and repeat AC voltage measurements for each exposed metallic pa...

Страница 4: ...ame type tube as specified in the parts list 4 Some parts in this monitor have special safety related characteristics for X RAY RADIATION protection For continued safety parts replacement should be un...

Страница 5: ...re Degauss Color Control Recall OSD H V Position H V Linearty Language Information Rotation 3 Electrical Characteristics 3 1 100 240 Volt 60Hz 50Hz for use all over the world This power supply is a 90...

Страница 6: ...below Video Signal Video Level 0 to 700mV Polarty Positive Video Input RGB separated Analog level Sync input H Sync TTL level V Sync TTL level Waveform Video input R G B 0 1 2 3 4 59 60 61 62 63 700mV...

Страница 7: ...029 78 750 0 203 1 219 2 235 13 003 16 660 0 017 0 050 0 466 12 795 13 328 7 VESA 1024 768 68 667 84 997 94 500 0 508 1 016 2 201 10 836 14 561 0 015 0 044 0 524 11 183 11 765 8 VESA 1024 768 80 741 9...

Страница 8: ...ctor Pin and input signals are shown in the table below Pin Description D Sub miniature connector SIGNAL PIN NO SEPERATE SYNC 1 RED 2 GREEN 3 BLUE 4 NC 5 DDC RETURN 6 RED GROUND 7 GREEN GROUND 8 BLUE...

Страница 9: ...7 Belinea 103052 Technical Service Manual Connecting with External Equipment Cautions Be sure to turn off the power of your computer before connecting the monitor...

Страница 10: ...y is locked to Horizontal scan frequency by horizontal flyback pulse from sync trans transfomer LP03 The output pulse width is controled by current of OCP F B PIN1 The SMPS output has 185V 80V 15V 13V...

Страница 11: ...itching therory with the main component ICH03 KA3843 When power ON and the VCC DC level of pin 7 of ICH03 exeeding 8 4V ICH03 starts to work and the oscillate frequency is decided by RH24 CH11 ICH03 i...

Страница 12: ...signed to interface with a micro controller unit ICM01 to allow colored symbols or characters to be displayed on the monitor screen The output stage is made of 3 channel power amplifier ICC03 LM2435T...

Страница 13: ...d if no 80V Check SMPS If 80V OK Check TH04 QH04 DH05 Check 12V with no load If no 12V Check QP10 DP15 QP07 SMPS If 12V OK Check ICH01 ICH03 ICC01 Check ICH03 RH24 CH11 Check QH04 1 Check for G2 Pin 4...

Страница 14: ...utes at least before any adjustment about the image parameters The CRT tube and components of system require time of stabillizing 4 Adjustment Procedure 4 1 Voltage setting 1 High Voltage Setting Vide...

Страница 15: ...or coordinte Limits X 0 283 0 02 Y 0 297 0 02 Contrast Setting Adjust the brightness of 2 square white box by pressing the rotating the and keys of contrast Limits 44 6 0 5Fl 2 Color Temperature 6500...

Страница 16: ...Mode If Function Button is pushed on OFF Mode the system has the ability to generate an R G B test pattern and the following OSD image is displayed on screen Note 1 Until press information Icon in mai...

Страница 17: ...l Power 2 5A 90W Safety Regulation EMC Ergomomi Safety FCC CLASS B CE TCO 03 cULus CE TUV GS FIMKO GOST R PCBC Temperature 35 to 80 Non condensing 5 to 85 packed Humidity Operating Operating Storage S...

Страница 18: ...grid1 of picture tube Horizontal section I2C bus controllable wide range linear picture position pin unbalance and parallelogram correction via horizontal phase Frequency locked loop for smooth catchi...

Страница 19: ...FREQUENCY DETECTO PLL2 PARALLELOGRAM PIN UNBALANCE AND SOFT START OUTPUT ASYMMETRIC EW CORRECTION H C SYNC INPUT AND POLARITY CORRECTION PLL1 AND H POSITION HORIZONTAL OSCILLATOR X RAY PROTECTION B C...

Страница 20: ...conditions is true Soft start of horizontal and B drive voltage at HPLL2 pin 30 pulled down externally or by I2C bus PLL1 is unlocked while frequency locked loop is in search mode No horizontal flybac...

Страница 21: ...via a sample and hold and buffer stage The sample and hold stage removes all disturbanes caused by horizontal sync or compostite vertical sync from the buffered voltage An external resistor connected...

Страница 22: ...M6 PWM1 PWM0 GND OSCO OSCI PB5 SDA2 PB3 PAT PB1 HFI PB0 HFO IRQ PC7 SOGIN PC6 PC5 PC4 PC3 AD3 PB2 PB4 SCL2 VDD RESET 3V3 1 NC 2 NC 3 NC 4 Reset 5 5V 6 GND 7 OSC0 8 OSC1 9 SUS Stand by 10 off not used...

Страница 23: ...ercurrent Feedback terminal Input of overcurrent detection signal and constant voltage control signal 2 S Source terminal MOS FET source 3 D Drain terminal MOS FET drain 4 VIN Power supply terminal In...

Страница 24: ...traditional way constant output voltage regulationlevel any intermediary solutions can be easily implemented This flexibility makes it ideal to optimally cope with a wide range of applications Genera...

Страница 25: ...0 k V reg r r r CT FB V o Vcontrol REGULA T OR Enable 11 V 8 5 V Synchro Arrangement 11 V R R R Q Q S PWM Latch ThStdwn 11 V LEB Output_Ctrl 60 mV Iuvp OVP UVP Ics 205 A Synchro VCC Drive Gnd Output_C...

Страница 26: ...N PRE AMP Vin Vin VOUTPUT Vcc L Vcc H F G GND Table1 Pin Configurations Pin No 1 2 3 4 5 6 7 8 9 10 I O I I O O I I Configurations Inverting Input Supply Voltage N C Flyback Generator Ground Output N...

Страница 27: ...nnel R G B Video Amplifier 175MHz f 3dB I2 C Bus Control Items Contrast Control SUB Contrast Control For Each Channel Brightness Control OSD Contrast Control Cut off Brightness Control Cut off Control...

Страница 28: ...ONTRAST VIDEO CONTRAST gm2 VIDEO OSD SWITCH BLK CLP CLP A1 A2 A3 INTERFACE CONTROL BLANK GATE B U INTERFACE VIDEO OSD SWITCH CLAMP GATE VIDEO HALF TONE OSD RASTER SELECT CLP BLK Cut Off I2C BUS CONTRO...

Страница 29: ...BCT GCT RCT CLP BLK BCLP BOUT GND3 VCC3 GOUT GCLP ROUT RCLP B U I O I I I I I I I I O I O I I I I I O O O I Configurations Red OSD Input Green OSD Input Blue OSD Input Video or OSD Switch Red Video I...

Страница 30: ...IC con tains three high input impedance wide band amplifiers which directly drive the RGB cathodes of a CRT Each chan nel has its gain internally set to 14 and can drive CRT ca pacitive loads as well...

Страница 31: ...IGH CURRENT TOTEM POLE OUTPUT INTERNALLY TRIMMED BANDGAP REFERENCE 500KHz OPERATION LOW Ro ERROR AMP PIN CONNECTION BLOCK DIAGRAM Comp Isense VFB VREF CT R T 1 2 3 4 Vcc Output GROUND 8 7 6 5 Vcc Vcc...

Страница 32: ...r page write Can be operated as a serial ROM Factory programmong OPT available ESD protection 4 000V 1 000 000 ERASE WRITE cycles typical Data retention 40 years 8 pin DIP 8 lead or 14 lead SOIC packa...

Страница 33: ...A1 A2 1 2 3 4 WP VSS VSS SCL SDA 8 7 6 5 DIP Package PIN CONFIGURATION I O CONTROL LOGIC YDEC HV GENERATOR SENSE AMP R W CONTROL MEMORY CONTROL LOGIC XDEC EEPROM ARRAY 2X256X8 OR 4X256X8 PAGE LATCHES...

Страница 34: ...RTING INPUT A INVERTING INPUT B NONINVERTING INPUT B Type No KIA7805P PI KIA7806P PI KIA7808P PI KIA7809P PI KIA7810P PI KIA7812P PI KIA7815P PI KIA7818P PI KIA7820P PI Function 1 0A 3 Terminal Regula...

Страница 35: ...r background Double character height and or width control Programmable positioning for display screen center Row to row spacing register to manipulate the constant display height 4 Programmable backgo...

Страница 36: ...oltage Forward voltage Average forward current Non repetitive peak forward current Reverse recovery time 1500 1 35 10 75 0 25 V V A A s Power Transistor 2SC5411 RATING SYMBOL 2SC5411 UNIT Base Breakdo...

Страница 37: ...0 0 3 100 0 88 E C B TO 92 KTA1266 50 150 625 0 3 100 10 E C B TO 92 KTC3200 120 100 625 0 3 10 1 E C B TO 92 KTC3228Y 160 1A 1W 1 5 500 50 E B C TO 92 900 100 6W 5 20 4 E C B TO 220 45 2A 8W 0 5 500...

Страница 38: ...S TO 220 TO 92 1 2 3 TO 92L 1 2 3 TO 92M 1 2 3 TO 220IS TO 3P TO 220AB 2SK2761 900V VDSS 10A ID 40W PT 2 1 RDS On 30V VGSS TO 220IS G D S IRF630 200V VDSS 9A ID 75W PT 0 4 MAX RDS On 20V VGSS TO 220A...

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Страница 44: ...42...

Страница 45: ...0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 43...

Страница 46: ...0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 44...

Страница 47: ...45...

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Страница 49: ...1 47...

Страница 50: ...0 48...

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Страница 52: ...2 50...

Страница 53: ...2 2 2 51...

Страница 54: ...2 2 52...

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Страница 56: ...2 54...

Страница 57: ...2 2 2 0 55...

Страница 58: ...1 1 3 4 1 5 1 1 56...

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Страница 72: ...LD CASE SCREW 5 X 20 CRT SHIELD SPRING A H S VIDEO ASS Y H SINK POWER HEAT SINK CS RUBBER PEM SPECIAL SCREW SPECIAL T T W 3 8 INSULATOR MCU H SINK HORIZONTAL ASSY SUS 304 T 0 1 A1050P T 2 0 SPTE T 0 3...

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