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BELINEA 103052 Service Manual

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Service Manual

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

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Summary of Contents for BELINEA Belinea 103052

  • Page 1: Service Manual

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

  • Page 2: Table Of Contents

    Table of Contents CONTENTS PAGE Sections 1. Safety Precaution 2. X-Ray Radiation Precaution 3. Genera Information 4. Control Description 5. Video Input Signal 6. Timing Table 7. Video Input Terminal 8. Connecting with External Equipment 9. Theory of Operation 10. Trouble Shooting 11.

  • Page 3: Safety Precaution

    Belinea 103052 Technical Service Manual Safety Precaution WARNING Service should not be attempted by anyone unfamiliar with the necessary precautions on this monitor. The followings are the necessary precautions to be observed before servicing. 1. Always discharge the high voltage to the CRT conductive coating before handling the CRT.

  • Page 4: X-Ray Radiation Precaution

    X-Ray Radiation Precaution 1. Excessive high voltage can produce potentially hazardous X-RAY RADIATION. To avoid such hazards, the high voltage must be under the specified limit. The nominal value of the high voltage of this monitor is 26.0KV 0.5KV at zero beam current (minimun brightness) under a 120V AC power source.

  • Page 5: General Information

    Belinea 103052 Technical Service Manual General Information 1. Description This Belinea 103052, 17” (15.8" viewable) color display monitor is operated in R, G, B, drive mode input. 2. Operating instructions 2-1. External instructions 2-2. Front Power Switch, Menu, Select, Down( ), Up( ), Power LED.

  • Page 6: Control Description

    Control Description Front View Power LED Power Switch Video Input Signal Recommended signals are shown below 700mV • Video Signal Video Level : 0 to 700mV Polarty : Positive • Signal: 64 level gray scale Video Input : RGB separated Analog level •...

  • Page 7: Timing Table

    Belinea 103052 Technical Service Manual Timing table Timing Standard Industry VESA VESA VESA VESA VESA VESA VESA VESA VESA VESA Data Pixel 1024 1024 1280 1600 1024 1280 1152 Data Line 1024 1024 1200 H-Freq KHz 31.469 31.467 46.875 53.674 60.023...

  • Page 8: Video Input Terminal

    Video Input Terminal A 15 Pin D-sub connector is used as the input signal connector. Pin and input signals are shown in the table below. Pin Description SEPERATE SIGNAL SYNC PIN NO. GREEN BLUE DDC RETURN RED GROUND GREEN GROUND BLUE GROUND +5V (NOT USED) LOGIC GROUND...

  • Page 9: Connecting With External Equipment

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

  • Page 10: Theory Of Operation

    Theory of Operation 1. Power Supply The AC voltage range is from 100 - 240V AC. The conducted noise is filtered by Line filter (LP01), X and Y Capacitor (CP01,CP02,CP03,CP04,CP11) NTC01 reduces the inrush AC to DC and this DC Voltage is charged CP05. The ICF01 (MC33260)IC is a PFC Circuit.
  • Page 11 Belinea 103052 Technical Service Manual 4. Horizontal Deflection TDA4841(ICH01) is an I C auto sync deflection controller for H/V sync and drive processing. All function are controlled by I C bus. When H-sync applied, the internal oscillator is automatically locked. The duty cycle of H-output pulse (ICH01 pin 8 ) is 45% (at 31.5 KHz).

  • Page 12: Trouble Shooting

    6. Vertical Deflection Vertical defiection saw-tooth waveform is provided by ICH01 pin 12, 13 (VOUT1,2) and amplified by ICV01(KA2142). 7. X-ray Protection X-Ray High Voltage Protection circuit is to get a DC level voltage by utilizing the output waveform of FBT pin 4 to pin 7(GND) via a rectifier consists of DH07,CH36 This DC level voltage inputs to the pin2(X-Rey) of ICH01 TDA4841.
  • Page 13 Belinea 103051 Technical Service Manual Check(YES) Action(NO) Symptom Check 15pin connector b) Image is 1) Check for H-sync at Pin 33 at ICM01 ZDM01,QM04. unstable. Check ICM01,ICH01 2) Check for positive going V-sync at Pin 15 at ICH01. Check CH03, RH06, CH04,RH07,RH08 3) Will H-oscillator is locked with input CH05, CH06 signal Pin 29 of ICH01.

  • Page 14: Adjustment Method

    Adjustment Method 1. Caution Extremely high voltage are present in the area around the TH04 and the anode high voltage lead. Do not touch ICP01 or its heatsink as high voltage is present on these components. 2. Equipment Required Digital Voltmeter Frequency Counter: about 40 Hz to 100 KHz Color Analyzer Video Signal Generator...
  • Page 15 Belinea 103052 Technical Service Manual 4-4 Color setting - Adhere color Analyzer sensor closely to CRT center. - Video mode: 94kHz, 1600 mode 1) Color Temperature 9300°K setting - Video Signal: Back Raster pattern - Select " RGB" by using the MENU and select keys.
  • Page 16 AGING and Self Test Mode The monitor has an enhanced level of self-diagonostics. When the signal cable is removed or signal isn't detected, the monitor is operated to OFF-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.

  • Page 17: Specification

    Belinea 103052 Technical Service Manual Specification SIZE (15.8" viewable) Diagonal FST Dot Pitch 0.26 mm Type Non-glare Signal R.G.B Analog Input 15 pin D-Type Connector H-Freq 30.0 kHz~97 kHz SYNC V-Freq 50Hz ~150 Hz 320 x 240 mm Display Area(HXV) max.

  • Page 18: Critical Parts Specification

    Critical Parts Specification TDA4841 FEATURES Concept features • Full horizontal plus vertical autosync capability • Extended horizontal frequency range from 15 to 130kHz • Comprehensive set of I C-bus driven geometry adjustments and functions, including standby mode • Very good vertical linearity •...
  • Page 19 Belinea 103052 Technical Service Manual BLOCK DIAGRAM --17--...
  • Page 20 PIN CONFIGURATION Vertical sync slicer and polarity correction Vertical sync signals (TTL) applied to VSYNC (pin 14) are sliced at 1.4V. The output signal of the sync slicer is integrated on an internal capacitor to detect and normalize the sync polarity. The output HFLB FOCUS signals of vertical sync integrator and sync...
  • Page 21 Belinea 103052 Technical Service Manual This can, for instance, be a range from 15.625 to 90kHz with all tolerances included. Whitout a horizontal sync signal the oscillator will be free-running at f mix . Any change of sync conditions is detected by the unternal coinidence detector. A deviation of mpre than 4% between horizontal sync and oscillator frequency will switch the horizontal section into search mode.

  • Page 22: Pin Description

    WT62PI PIN DESCRIPTION PIN CONNECTIONS UNLOCK PWM2 22 ABL PWM1 23 Key-in PWM0 PWM3 24 SDA1 Reset RESET/3V3 PD5/PWM4 25 SCL1 PD4/PWM5 26 NC PD3/PWM6 OSC0 27 CS4 OSCO PD2/PWM7 OSC1 28 CS3 SUS/Stand-by 29 CS2 OSCI PD1/HOUT 10 off (not used) 30 CS1 PB5/SDA2 PD0/VOUT...
  • Page 23 Belinea 103052 Technical Service Manual STR-F6654 BLOCK DIAGRAM START O.V.P LATCH O.S.C REG. Vth (1) O.S.C T.S.D Comp.1 O.C.P/F.B Iconst Vth(2) Comp.2 Rconst+ Rconst- Function of Terminal Terminal No. Symbols Description Functions Input of overcurrent detection signal and O.C.P/F.B Overcurrent/Feedback terminal...
  • Page 24 MC33260 Gr eenLine Compact Power Factor Controller: Innovative Circuit for Cost Effective Solutions The MC33260 is a controller for Power Factor Correction preconverters meeting international standard requirements in electronic ballast and of f±line power conversion applications. Designed to drive a free frequency discontinuous mode, it can also be synchronized and in any case, it features very ef fective protections that ensure a safe and reliable operation.
  • Page 25 Belinea 103052 Technical Service Manual MC33260 BLOCK DIAGRAM Current Mirror 2 x I O x I O I OSC - ch = I ref Current I ref Mirror V ref 11 V 1.5 V 15 pF 300 k V reg...
  • Page 26 KA2142 Vcc(H) Vcc(L) FLYBACK GENERATOR DRIVE OUTPUT Vin(-) VOUTPUT STAGE STAGE Vin(+) THERMAL SHUTDOWN Table1. Pin Configurations Symbol I / O Configurations Pin No Vin ( - ) Inverting Input Vcc ( L ) Supply Voltage F . G Flyback Generator Ground Output Vcc ( H )

  • Page 27: Pin Connection

    Belinea 103052 Technical Service Manual KA2506-01 PIN CONNECTION C BUS CONTROLLED R/G/B VIDEO AMPLIFIER 28-DIP-600A The KA2506-01 is a very high frequency video amplifier sys- tem with I C Bus controlled used in Monitor with high resolu- tion up to1280 X 1024.
  • Page 28 BLOCK DIAGRAM ONE (RED) OF THREE CHANNELS ROSD RASTER CONTRAST ROUT INTERFACE VIDEO CONTRAST SWITCH VIDEO VIDEO GOSD HALF-TONE RCLP CONTRAST BOSD HALF-TONE VCC2 VCC3 Cut Off GND3 VCC1 BOUT CLP BLK GND1 BCLP VIDEO-HALF TONE SWITCH D1(0AH) VIDEO GOUT INTERFACE HALF-TONE OSD RASTER COLOR...

  • Page 29: Pin Configurations

    Belinea 103052 Technical Service Manual KA2506-01 Pin Configurations Configurations Pin No Symbol Red OSD Input ROSD Green OSD Input GOSD Blue OSD Input BOSD Video or OSD Switch VI/OSD_SW Red Video Input V CC (normal) V CC1 Ground1(normal) GNDI Green Video(lnput)

  • Page 30: General Description

    LM431 PROGRAMMABLE PRECISION REFERENCES SILICON MONOLITHIC INTEGRATED CIRCUIT • Programmable Output Voltage to 36V • Voltage Reference Tolerance: ± 0.4% , Typ@ 25°C (TL431B) • Low Dynamic Output Impedance, 0.22Ω Typical • Sink Current Capability of 1.0mA to 100mA • Equivalent Full-Range Temperature coefficient of 50 ppm/°C Typical •...
  • Page 31 Belinea 103052 Technical Service Manual KA3843B CURRENT MODE PWM CONTROLLER • OPTIMIZED FOR OFF-LINE AND DC TO DC CONVERTERS • LOW START-UP CURRENT(<1mA) • AUTOMATIC FEED FORWARD COMPENSATION • PULSE-BY-PULSE CURRENT LIMITING • ENHANCED LOAD RESPONSE CHARACTERISTICS • UNDER-VOLTAGE LOCKOUT WITH HYSTERESIS •...
  • Page 32 24C08 8K 2.5V CMOS Serial EEPROMs FEATURES • Single supply with operation down to 2.5V • Low power CMOS technology - 1 mA active current typical - 10µA standby current typical at 5.5V - 5µA standby current typical at 3.0V •...
  • Page 33 Belinea 103052 Technical Service Manual BLOCK DIAGRAM HV GENERATOR MEMORY EEPROM ARRAY (2X256X8) OR CONTROL CONTROL (4X256X8) XDEC LOGIC LOGIC PAGE LATCHES YDEC SENSE AMP R/W CONTROL PIN CONFIGURATION DIP Package PC is a trademark of philips Corporation --31--...
  • Page 34 LM358 OUTPUT A OUTPUT B INVERTING INPUT A ¥ ¥ NON INVERTING INPUT A INVERTING INPUT B NONINVERTING INPUT B Voltage Regulator IC Type No Function Package Vo(V) Io(A) Vin(V) P KIA7805P/PI OUTPUT COMMON KIA7806P/PI INPUT KIA7808P/PI TO-220AB KIA7809P/PI 1.0A 3- KIA7810P/PI Terminal 20.8...
  • Page 35 Belinea 103052 Technical Service Manual MTV021 FEATURES • Horizontal SYNC input up to 130KHz. • On-chip PLL circuitry up to 96 MHz. • Programmable horizontal resolutions up to 1524 ROUT dots per display row. • Full-screen display consists of 15(rows)by GOUT 30(columns) characters.
  • Page 36 Power Transistor SYMBOL 2SC5411 UNIT RATING 1500 Base Breakdown Voltage Emitter Sustaining Voltage V CEO(SUS) Current-Continuous -Pulsed(1) Current-Continuous 2SC5411 QUICK REFERENCE DATA SYMBOL MAX. UNIT PARAMETER Repetitive peak reverse voltage 1500 Forward voltage 1.35 Average forward current F(AV) Non-repetitive peak forward current Reverse recovery time 0.25 µs...
  • Page 37 Belinea 103052 Technical Service Manual TRANSISTORS MAX. RATINGS CE(SET) Type Package (mA) (mA) (mW) (mA) TO-92 1.5W KSP45 -2.0 -1.5A TO-92 TO-92 KSA928AY KTA200Y -500 -0.25 -100 -10-30 TO-92 -1.5 -500 TO-92 KSA1013AY -160 1.5A TO-92 KSA2328AY KRC102M -0.3 -100 -0.88...
  • Page 38 PACKAGE IDSS DSS(ohm) TO-92 2N7000 200mA 400mW FQPF9N50 0.58 TO-220 5.3A TO-220 IRF630B 6.5A TO-220 IRFS630B 2.1 Ω ± 30V 900V 2SK2761 TO-220IS (On) 0.4 Ω 200V ±20V (MAX) IRF630 TO-220AB GSS ) (On) 200V 139W 0.18 Ω ±30V TO-220AB IRF640 (On) ±...

  • Page 40: Part List

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  • Page 63: Wave Form

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  • Page 71 &&'(( ) ' * + ,- !'(( ) ' !  ! --69--...

  • Page 72: Exploded View

    6262004001 RUBBER FOOT CR 60-70¡ 6201279200 SWIVEL BASE PS 94-HB 6201279300 SWIVEL UPPER PS 94-HB 6120043700 SHIELD SPRING B SUS 304 T=0.1 5004000199 SCR TT/W(+) 3*8 6124035400 H/SINK F 6124036800 H/SINK POWER ASSY A1050P T=2.0 6124036700 H/S VERTICAL ASSY A1050P T=1.0 6201279100 COVER REAR ABS 94-HB...

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