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Belinea Technical Service Manual

Critcal Parts Specification

1. LCD Module

LTM190EU-L03is  a  color  active  matrix  TFT  (Thin  Film  Transistor)  liquid  crystal
display(LCD)that  uses  amorphous  silicon  TFTs  as  switching  devices.This  model  is
composed of a TFT LCD panel, a driver circuit and  a back-light system. The resoution of
a 19.0” contains 1280x1024 pixels and can display up to 16.7 million colors with wide
viewing  angle  of  8

9

° or  higher  in  all  directions.

 

(Vertical  viewing 

a

ngle  :  17

8

°,  Horizontal

viewing angle : 17

8

° ) 

Display area 
Drive system
Display color
Number of Pixel
Pixel arrangement
Pixel pitch
Weight
Contrast ratio
Viewing angle

Horizontal
Vertical

Response time
Luminance
Signal voltage
Supply Voltage
Backlight

LCD Type

376.32(H)X301.056(V)mm
A-Si TFT
16.7M Colors
1280x1024
RGB vertical strip
0.29

4

(H)X0.294(V)mm

2.75kg
600:1

8

9

 degree, 8

9

 degree

8

9

 degree, 8

9

 degree

25ms

 

(max)

250cd/m

(typ)

Digital RGB signals, Sync signals

 

(H, V-Sync),

5.0V
Edge light type :  Four colt catdode fluorescent lamps
With in-verter
LTM190E1-L03

Summary of Contents for Belinea 101920

Page 1: ...Service Manual MAXDATA Systeme GmbH Elbestr 12 16 Model Belinea 101920 Art No 111912 45768 Marl Germany...

Page 2: ...al 4 6 Theory of Operation 6 7 OSD Menu Function 7 8 Specification 8 9 Critical Parts Specification 9 10 Block Diagram 22 11 Parts List 23 12 Schematic Diagram 30 13 Wave Form ________________________...

Page 3: ...e without danger of electrical shock General Information 1 General Description This 19 LCD color display monitor is operated in R G B drive mode input 2 Operating instructions 2 1 Front Power Switch M...

Page 4: ...Frequency KHz 31 5 37 9 48 4 63 9 V Frequency KHz 59 9 60 3 60 0 60 0 NO 1 2 3 4 5 6 7 8 9 Resolution 720 x 400 640 x 480 640 x 480 800 x 600 1024 x 768 1024 x 768 1024 x 768 1280 x 1024 1280 x 1024...

Page 5: ...level Sync input H Sync TTL level V Sync TTL level Waveform Video input R G B 3 Belinea Technical Service Manual 0 1 2 3 4 251 252 253 254 255 700mV 0mV Signal 256 level gray scale Linear stepping 2 7...

Page 6: ...shown in the table below Pin Description D Sub miniature connector 1 2 3 4 5 10 9 8 7 6 11 12 13 14 15 SIGNAL PIN NO 3 2 1 5 4 6 7 8 9 10 11 12 13 14 SEPARATE SYNC DDC 1 2B RED GREEN BLUE GND GROUND...

Page 7: ...20 21 22 23 24 16 15 14 13 12 11 PIN NO 3 2 1 5 4 6 7 8 9 10 11 12 SEPARATE SYNC DDC 1 2B T MD S Data 2 T MD S Data 2 T MD S Data2 Shield N C N C DDC Clock DDC Data No Connect T MD S Data1 T MD S Data...

Page 8: ...oudspeakers Each of two micro loudspeakers has a 2W Max output power This system also supports a headphone earphone output Auto Signal Input 600mVp p Max Auto Amplifiers 2W 2W Amplifier with DC Volume...

Page 9: ...order to optimize the screen image Clock Sets up the internal clock Larger values make the displayed image appear wider smaller values make it appear compressed Recall Restores the image settings to t...

Page 10: ...V mm 16 7M Recommand Resolution Video Bandwidth User Control OSD Control BRIGHTNESS CONTRAST COLOR CONTROL MISCELLANEOUS AUTO ADJUST RECALL LANGUAGE H V POSITION CLOCK PHASE INPUT SELECT Power Manage...

Page 11: ...ng angle of 89 or higher in all directions Vertical viewing angle 178 Horizontal viewing angle 178 Display area Drive system Display color Number of Pixel Pixel arrangement Pixel pitch Weight Contrast...

Page 12: ...ct to all DVI compliant transmitters n Auto Detection Tune Auto input signal format SOG Composite Separated HSYNC VSYNC and DE and input mode all VESA IBM modes w resolution and polarity detection Aut...

Page 13: ...00 BYPASS NC NC NC NC VDDC GNDC GNDP VDDP NC NC NC NC HWRESET XIN XOUT AVDD_MPLL AVSS_MPLL HSYNC0 NC 26 27 28 29 30 RIN0P AVSS AVDD REFP REFM 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 5...

Page 14: ...0 903 0 913 0 923 D1 19 90 20 00 20 10 0 783 0 787 0 791 E 16 95 17 20 17 45 0 667 0 677 0 687 E1 13 90 14 00 14 10 0 547 0 551 0 555 Millimeter Inch Symbol Min Nom Max Min Nom Max 0 8 0 8 b 0 26 0 3...

Page 15: ...directional Mode VCLK Serial Clock Transmit Only Mode VCC 2 5V to 5 5V Power Supply NC No Connection TABLE 1 2 DC CHARACTERISTICS VCC 2 5V to 5 5V Commercial C Tamb 0 C to 70 C Industrial I Tamb 40 C...

Page 16: ...l Clock Transmit Only Mode VCC 2 5V to 5 5V Power Supply NC No Connection TABLE 1 2 DC CHARACTERISTICS VCC 2 5V to 5 5V Commercial C Tamb 0 C to 70 C Industrial I Tamb 40 C to 85 C Parameter Symbol Mi...

Page 17: ...ins TSP 100 50 ns Note 3 Write cycle time TWR 10 10 ms Byte or Page mode Transmit Only Mode Parameters Output valid from VCLK TVAA 2000 1000 ns VCLK high time TVHIGH 4000 600 ns VCLK low time TVLOW 47...

Page 18: ...3 3 PACKAGE DESCRIPTION The TDA7496L is a stereo 2W 2W class AB power amplifier assembled in the Powerdip 14 3 3 package specially designed for high quality sound TV and Monitor applications Features...

Page 19: ...ut Signal 200 mV VO Quiescent Output Voltage 7 V PO Output Power THD 10 RL 8 6 2 1 1 W THD 1 RL 8 3 W THD Total Harmonic Distortion GV 30dB PO 1W f 1KHz 0 4 Ipeak Output Peak Current internally limite...

Page 20: ...ATION SUGGESTIONS The recommended values of the external components are those shown on the application circuit of fig ure 1A Different values can be used the following table can help the designer COMP...

Page 21: ...ponse and minimum input voltage are critical The 2 85V version is designed speci cally to be used in Active Terminators for SCSI bus Current limit is trimmed to ensure speci ed output current and cont...

Page 22: ...mounting techniques may provide better thermal resistance than 30 C W Absolute Maximum Ratings Parameter Min Max Unit VIN 7 5 V Operating Junction Temperature Range 0 125 C Storage Temperature Range...

Page 23: ...225 2 1 250 1 275 2 V Output Voltage 10mA IOUT 1A RC1117 2 5 4V VIN 7V RC1117 2 85 4 35V VIN 7V RC1117 3 3 4 8V VIN 7V RC1117 5 6 5V VIN 7V 2 450 2 793 3 234 4 900 2 5 2 85 3 3 5 0 2 550 2 907 3 366 5...

Page 24: ...M Phone Out Audio Amp CCFL DRIVE INTERFACE A D BOARD Volume On Off 5VDC Samsung 19 LCD AC DC POWER Speaker LCD Controller Analog R G B DVI Audio In INVERTER CONTROL LTM190E1 L03 2W x 2ch X2 24MHz X1 1...

Page 25: ...V Z Y5V 1608 17 C120 2121040045 CAP C C 0 1UF 50V Z Y5V 1608 18 C121 2121040045 CAP C C 0 1UF 50V Z Y5V 1608 19 C123 2121040045 CAP C C 0 1UF 50V Z Y5V 1608 20 C124 2121040045 CAP C C 0 1UF 50V Z Y5V...

Page 26: ...Z Y5V 1608 53 C314 2121050045 CAP C C 1UF 50V Z Y5V 1608 54 C315 2011010014 CAP AL C 100UF 16V M 6357 55 C316 2121040045 CAP C C 0 1UF 50V Z Y5V 1608 56 C410 2121050045 CAP C C 1UF 50V Z Y5V 1608 57 C...

Page 27: ...4 R104 2607509010 RES C 75 0 063W F 1608 95 R105 2607509010 RES C 75 0 063W F 1608 96 R106 2607509010 RES C 75 0 063W F 1608 97 R107 RK1JC0T0101J RES C 100 0 063W J 1608 98 R108 RK1JC0T0101J RES C 100...

Page 28: ...J 1608 132 R218 RK1JC0T0151J RES CHIP 150 J 0 063W 1608 133 R219 2602202015 RES C 22K 0 063W J 1608 134 R220 RK1JC0T0103J RES C 10K 0 063W J 1608 135 R223 2602000010 RES C 200 0 063W J 1608 136 R224...

Page 29: ...A 15 170 CN12 3721101228 CONN F DVI FEMALE RIGHT ANG 24 171 CN2 372010138601 CONN M SMAW200 04P 172 CN3 372010139001 CONN M SMAW200 08P 173 CN31 3725005292 INVERTER CABLE L50S L70S 174 CN402 372110125...

Page 30: ...N MC 3 6 BLACK 209 6101229950 MAIN FRAME ASSY Q19 MAX 210 6101227601 MAIN FRAME Q19 211 6128011827 EMI GASKET 290 5 0 0 5T VT900 212 6128011832 GASKET EMI 100 X 5X0 5 T 213 6210107103 EMI SHEET AL 30X...

Page 31: ...27901 PROTECT FILM Q19 MAX 247 E4205024001 MAIN ASSY M1 Q19 MAXDATA EXP 248 E4208625801 PCBA MAIN TM Q19 MAXDATA 249 E4208525801 PCBA MAIN MM Q19 MAXDATA 250 E4208425811 PCBA MAIN AM Q19 MAXDATA 251 3...

Page 32: ...1 14 318MHz 1 2 R131 0 C106 0 1uF R150 0 D05 KDS226 2 1 3 C120 0 1uF C111 0 1uF R116 OPEN C102 0 1uF R126 0 C132 0 1uF R135 0 C139 0 1uF C135 220PF C124 0 1uF D1 KDS226 2 1 3 D11 Z6 2V 2 3 C115 0 1uF...

Page 33: ...PA 7 PD 0 PD 1 PD 2 PD 3 PD 4 PD 5 PD 6 PD 7 PB 6 SDA2 PB 5 SCL2 PB 4 PB 3 PB 2 PC 7 PC 6 PC 5 PC 4 PC 3 PC 1 VSS VDD5 PC 2 PC 0 PE 2 PE 1 PE 0 PE 3 HIN VIN NC VDD3 PB 0 C206 47uF 16V R225 1K R209 10K...

Page 34: ...C3 3VD VCC5V VLCD VCC12V VCPU VCC5V VCC5V VCC5V C313 0 1uF C312 100uF 16V CN31 CON7P 1 2 3 4 5 6 7 R33 OPEN R36 47K Q5 2N3904 3 2 1 C311 22uF 16V C317 0 1uF U5 RC1117 2 5V 1 2 4 3 GND Vo Vo Vi C309 22...

Page 35: ...R409 150 C421 330uF 16V C414 0 47UF 1K R407 Q6 2N3904 3 2 1 C418 0 L403 HH0 C415 0 47UF CN402 STEREOSW 1 2 3 4 5 6 7 8 9 10 11 U4 11 12 17 7 15 3 10 5 9 13 2 1 6 4 16 14 18 20 19 STBY MUTE OUTL VAROU...

Page 36: ...1 Q101 DRAIN 2 D103 ANODE 3 D104 ANODE 4 D102 ANODE 5 C116 12V 6 C118 5V POWER INVERTER WAVE FORM 34...

Page 37: ...7 CN1 8 CN2 9 CN3 10 CN4 35...

Page 38: ...11 CN11 PIN 1 RED 12 CN11 PIN 13 HS 13 CN11 PIN 14 VS 14 CN31 PIN2 OnBacklite 15 CN31 PIN1 Adj Backlite 16 CN14 PIN 22 RXOC AD BOARD WAVE FORM 36...

Page 39: ...17 CN14 PIN 23 RXOC 18 U1 PIN 96 X1 19 U2 PIN 11 SDA 20 U2 PIN 12 SCL 21 U2 PIN 20 HDATA 22 U2 PIN 7 VDD 37...

Page 40: ...23 U2 PIN 19 HCLK 24 U2 PIN 18 HFS 25 U2 PIN 17 RST 26 U2 PIN 9 X2 27 U7 PIN 16 VCC 28 CN14 PIN 1 VLCD 38...

Page 41: ...39 11 1 PCB DRAWING TOP TOS P N0 DATE 2004 07 15 REV NO 0 REMARKS Adapter FLF1942 06A FRONTEK CO LTD...

Page 42: ...40 P N0 DATE 2004 07 15 REV NO 0 REMARKS Adapter FLF1942 06A FRONTEK CO LTD 11 2 PCB DRAWING BOS EYE LET CN100 Live and Nutural TH101 C105 12 INSULATION COVER 0 4T...

Page 43: ...GND GND R103 R102 GND LF101 GND R106 R105 R109 GND PC101 LTM_817B_M R121 D104 R122 R123 GND LIVE NATURAL CN100 C104 MPX 334K D4 222 Y1 C101 GND GND C110 47uF 50V C111 222 1KV R112 R111 R117 R116 R118...

Page 44: ...1M C11 104 50V CN2 R5 68K GND C17 104 R9 open GND R27 1M 470uF 25V C2 GND R6 560 2012 CN4 CN1 7 5K R14 C14 104 50V 10K R18 C20 103 43K R12 R24 130K C8 473 GND D2 5 6V C3 105 GND R2 18K R15 1K 10K R17...

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