Tatung CM-14SAS Скачать руководство пользователя страница 1

Содержание CM-14SAS

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Страница 21: ...12 MECHANICAL DISASSEMBLY...

Страница 22: ...degrade the safety of the display through improper servicing ABBREVIATIONS RESISTOR PART NAME DESCRIPTION TYPE ALLOWANCE Carbon Film Carbon Composition Metel Oxide Film Fusible Metal Film Variable Re...

Страница 23: ...5213322212 EL 16V 2200 UFM C310 5275133401 ME 63V 0 33UF J C314 5213610191 EL 50V1 0UFM C312 5232310291 CE 500V 1000PF K C313 5271310401 ME 100V0 1UFM C315 5213647991 EL 50V 4 7UFM C316 5214122991 EL...

Страница 24: ...E EL PO CE EL BL EL PO CE PO EL EL EL EL ME CE ME ME ME ME EL EL PP CE EL CE EL CE CE PP EL CE EL EL EL EL EL CE CE EL EL 50V 4 7UF M 50V 4 7UF M 50V 4 7UF M 500V 1000PF K 100V 22000PF J 800V 7500PF J...

Страница 25: ...07630 D812 RA 6613003841 PO 50V 0 1UFJ EL 250V 2 2UF M CE 400V 22000PF M CE 400V 2200PF M ME 250V 0 22UFM ME 250V 1 0UFM EL 25V 47UFM EL 25V 47UFM DIODE SWITCHING 1N4148 DIODE ZRNRT H25C1 DIODE SWITCH...

Страница 26: ...015332 6621014634 6621034430 6624000500 DIODE SWITCHING BY299 DIODE SWITCHING RG3J DIODE SWITCHING BY 297 DIODE RECTIFIER RGP15J DIODE SWITCHING RG3J DIODE SWITCHING BY299 DIODE SWITCHING RGP10D DIODE...

Страница 27: ...5142110495 5142110295 5142110395 5142110295 5142147395 5142147395 5130347103 1542847395 5142847395 TR 258856 THYRISTOR SCR SGOR1B42 LOIL HOR CHOKEN TCH 215 LOIL HOR LINEARITY TLH 231 LOIL CHOKE TLN 2...

Страница 28: ...90 5142447290 5160103317 5142140395 5162171771 5162161750 VR CF CF CF CF VR CF CF CF CF CF CF CF VR CF CF MF MF CF VR MF MF MF CF CF 100K 1 2W 1 5KJ T 6W 4 7K J T 6W 13K J 1 6W 9 1K J 5K 1 6W 910K J 1...

Страница 29: ...5 5142833195 5145124395 5142810295 5142110395 5142156395 5162162620 5142120295 5142120295 5135720038 5142115395 5142133495 5142156395 5142810195 5142810295 5142810396 VF 1 2W 3 3K J MOF 1W 560 J CF 1...

Страница 30: ...133295 5142110295 5130339803 5142827295 5142115095 5130439303 5130439303 9154525225 5142147295 5142110395 5130482203 5142133195 5142110395 5142415290 5133882003 9142110395 CF 1 4W 20KJ CF 1 6W 56KJ CF...

Страница 31: ...0391 CE 50V 20000PF Z C531 5213610091 EL 50V 10UFM C532 5236310491 BL 50V0 1UFM C533 5247033091 CE 50V 33PF J C534 5213610091 EL 50V 10UFM C561 5213610091 EL 50V 10UFM C562 5236310491 BL 50V 0 1UF Z C...

Страница 32: ...0 ME 100V 1UFJ EL 160 10UFM CE 2KV 330PF K EL 16V 1000UF M COIL CHOKE CHK 214 COIL CHOKE CHK 198 COIL CHOKE CHK 214 COIL CHOKE CHK 198 COIL CHOKE CHK 214 COIL CHOKE CHK 198 COIL PEAKING TRF 8229J COIL...

Страница 33: ...0295 5142124295 5142120295 5142120395 5142116395 5160810217 5142110195 5142110395 5142147395 5142122295 5142120295 5142156195 TR TR TR TR TR TR TR TR TR CF VR CF CF CF CF CF CF CF VR CF CF CF CF CF CF...

Страница 34: ...0190 5130433103 5130310307 5142810195 5111210190 5162162650 5142415190 5111233490 5202201991 5202201991 5202201991 5247333091 5202200501 CF 1 6W 12K J CF 1 6W 33 J CF 1 6W 100 J MOF 2W 330 J MOF 2W 33...

Страница 35: ...tion L991 5060114410 DEGAUSSING COIL TSB 144J V901 AA S 5051226400 CCRT M34KBV80X11 PANASONIC V901 BA S 5051226400 CCRT M34KDD50X02 HITACHI V901 CA S 5051226406 CCRT M34AFA60X03 CPT V901 M U 505122800...

Страница 36: ...NO DESCRIPION PACKING CARTON 9560137612 OPP TAPE 9554100400 PE BAG FOR POWER CORD 9554141000 PE BAG FOR INSTRUCTIONS MANUAL 8802019083 DRIER SILICA GEL I ae 9553172119 PE BAG FOR UNIT 9521380456 EPS B...

Страница 37: ...cted to limit X RADIATION to 0 5mR HR at 300 microamperes anode current For continued protection use the recommended replacement tube only and adjust the voltages so that the designated maximum rating...

Страница 38: ...s which do not have the same safety characteristics as specified in the parts list may create shock fire X RAY radiation or other hazards SERVICE NOTES 1 When replacing parts or circuit boards wrap th...

Страница 39: ...Non glare E 2971B22 TC42ET glareV E2971B22 TC42ETHT Non glare 0 39mm pitch 2 4 ELECTRIC PERFORMANCE 1 Power Supply Input Voltage AC 110 125V 200 240V Input Frequency 50 60 Hz Input Current 1 2A max a...

Страница 40: ...ync Negative Positive 31 47 31 78 3 81 1 91 25 42 0 64 60 16 68 0 064 1 049 15 25 0 318 Separate Sync Negative Negative Vertical lines 35 520 28 150 3 919 1 247 22 810 0 173 86 960 11 50 0 113 0 563 1...

Страница 41: ...a crosshatch pattern 2 5 ENVIRONMENTAL CHARACTERISTICS Operation 10 C to 35 C ambient Humidity 5 to 80 non condensing Altitnde to 7000 feet above sea level Storage 40 C to 65 C 2 6 USER CONTROLS Power...

Страница 42: ...2 7 2 8 SIGNAL CONNECTOR 15 pin D shell connector SAFETY SPECIFICATION UL UL1950 D3 Diviations FCC CLASSB CSA C22 2 NO 220 GS EN60 950 1988 ZH1 618 10 80 FTZ CLASS B...

Страница 43: ...ontrast level 3 BRIGHTNESS CONTROL Adjust the display for proper brightness level 4 WIDTH CONTROL Adjust the display for the horizontal width Normaily it set on center detent position 65 HEIGHT CONTRO...

Страница 44: ...arge the anode completely As high voltage 24KV may remain on the anode for an extended time after power off a Unplug the drive board from the CRT neck b Unpiug the DY connector AC connector degaussing...

Страница 45: ...acket switch K and press 2 claw stoppers L and from bracket main to remove the PCB main board Fig 7 8 me BRACKET 9 MAIN a 7 West a i Fig 7 5 CRT REMOVAL Fig 9 a CRT is supplied as ITC b Remove 4 screw...

Страница 46: ...lor display shielded signal cable to the video adapter output on your com puter and lock both screws on the connecter to ensure them grounding The connector ap pears as follows Pin No Description 1 Re...

Страница 47: ...only 7 V size can adjust to give you a proportional display height 8 H width control the hrizontal width If the H width did not meet your requirement turn this con trol continuously until a suitable w...

Страница 48: ...y when C808 voltage over 16V Then Q802 is trigged by the reference voltage 5v from pin 8 of 1801 at the same time Q801 turn ON there is a primary current flow through the primary winding and energy st...

Страница 49: ...king pulses that causes the low output state pin 6 of 1801 3 Synchronization The oscillating frequency can be synchronized by pulses coupled from flyback transformer of horizontal circuit The pulse pr...

Страница 50: ...cle of PWM to obtain the regulated voltage for outputs B R815 R814 R812 D819 R825 5 Protection Circuit The power supply has a full protective circuit against output overload short circuit and over vol...

Страница 51: ...aussing coil only few seconds resistance of posistor increase rapidly due to rising in heat degaussing current thus decrease to less than100 mAp p rapidly degaussing func tions is completed 6 3 MODE C...

Страница 52: ...2 Frequency Control O 2H 0cd 6 cu 1 f ceed c0cd vOcoO LEcH 16...

Страница 53: ...A Mode5 35 1 38KHz 55 61Hz JL sv ov sv By detecting the Sync frequency 1202 generates the signal to control the modes of 31K 35K mode 4 and mode 5 3 Horizontal OSC phase and width control By use the s...

Страница 54: ...rtical height and side pincushion of all modes Pin7 R313 s P403A E R333 R326 V HEIGHT SR314 R328 R3172R318 2R3193R316 Bias i TL R247 R329 ag i Q215 OUTPUT A B INHIBIT xoryo xt v1 x22 X33 eee Low HIGH...

Страница 55: ...ing pulse width control by R303 Pin 14 is the main supply voltage input HORIZONTAL DEFLECTION CIRCUIT The positive horizontal sync pulse from pin 6 of 1201 is converted and amplified by Q407 Then be a...

Страница 56: ...H V SIDE PINCUSHION CORRECTION CIRCUIT The vertical sawtooth waveform from R312 is integrated by C315 R442 R432 and C421 to produce a parabolic waveform This parabolic voltage is amplified by 1403 OP...

Страница 57: ...668 2 e ee a 14 13 12 11 1 V HEIGHT 5 R33 11 H HOLD 3 21 ON OFF SWITCH 2 V HEIGHT 3 R329 12 H HOLD 1 22 CONTRAST 3 V HEIGHT 1 R31 13 H HOLD 2 23 BRIGHTNESS 4 V LIN R31 14 H WIDTH ADu 24 B CUTOFF 5 V H...

Страница 58: ...SE 1 for VGA H Phase 2 for Super VGA and H Phase 3 for 8514 A to move the data area to the center of the screen c Adjust R413 Sub H Phase 2 to move the data area if necessary HIGH VOLTAGE ADJUSTMENT a...

Страница 59: ...nal to the unit b Adjust R304 V HOLD until the display stablizes 7 13 FOCUS ADJUSTMENT a Apply a VGA signal with cross hatch pattern to the unit b Adjust the focus VR located at the high voltage resis...

Страница 60: ...ue lines with the green lines at the center of the screen by rotating the RB G Static Convergence Magent See figure 7 4 e Tighten the convergence magent lock ring f Remove the DY wedges See figure 7 5...

Страница 61: ...4 and adjust the purity magent to set the vertical green raster precisely at the center of the screen See figure 7 6 Then tighten the lock ring h Slowly move the deflection yoke forward and adjust for...

Страница 62: ...OUT NO THE POWER STILL NG VES 0808 D0817 D812 NO DG13 0814 OK TES CHECK HORIZONTAL VERTICAL AND VIDEO CIRCUIT 26 F801 OPEN R804 OPEN D802 SHORT R808 OPEN Q801 SHORT R825 OPEN I801 SHORT D811 OPEN R829...

Страница 63: ...0 and 25 of I501 YES Are the voltages ormal at 105V Line nes Is the voltage normal at G2 NO Open the lead wire that connect between FBT and CRT socket IS the voltage norma at G2 that on FBT NO FBT is...

Страница 64: ...n YES check the video circuit light up No FBT is defective 4 Red color is missing NO s the waveform normal check input signal at pin 6 of I501 YES NO S the waveform norma at pin 20 OF E5017 Is the wav...

Страница 65: ...201 of 12017 NO 0 I l s the voltage YES oe check PC I2V at 12V line d NO I301 is defective The horizontal synchronization does not hold Is the more control circuilt normal Q217 ON only for mode 5 Q216...

Страница 66: ...O check SMPS 8 The picture is one vertical line Is the voltage normal at collector of Q4052 NO s the Q403 normal YES Is the Q404 normal YES IS the voltage 12V at the pin 4 of I40 NO T802 is defective...

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