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akira CT-21CDP5CPT, Руководство по обслуживанию

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Model no.:CT-21CDP5CPT.doc 
version 1.0 

37

 

5 SWITCH-MODE POWER SUPPLY IC STRG5653 
5.1 General Description 

The STRG5653 is part of the STRG5600 series thick-film ICs for switch-mode 

power supply incorporating power MOSFET with a high-precise error amplifier. 

The ICs feature fewer external components, small-size and standard power 

supply. 

5.2 Block Diagram 

 

 

 

Terminal 

No. 

Symbols Description 

Functions 

1 

D 

Drain Terminal 

MOS FET drain 

2 

S 

Source Terminal 

MOS FET source 

3 GND 

Ground 

Terminal Ground 

4 

VIN 

Power supply Terminal 

Input of power supply for control 

5 O.C.P/F.B 

Over 

current/Feedback 

Input 

of over current detection signal 

 
 
 
 
                                                                                          

Содержание CT-21CDP5CPT

Страница 1: ...C C Co o ol l lo o or r r T T TV V V S S Se e er r rv v vi i ic c ce e e M M Ma a an n nu u ua a al l l...

Страница 2: ...Model no CT 21CDP5CPT doc version 1 0 2 Model C C CT T T 2 2 21 1 1C C CD D DP P P5 5 5C C CP P PT T T C C Ch h ha a as s ss s si i is s s E E ET T TE E E 2 2 2...

Страница 3: ...CRIPTION 7 MAINTENANCE 8 SPECIFICATION 9 CONTROL FUNCTION 10 MECHANICA DISASSEMBLING 12 ADJUSTMENTS 14 SET UP ADJUSTMENTS 14 CIRCUIT ADJUSTMENTS 16 STRUCTURE AND CHASSIS FUNCTION DESCRIPTION 23 STRUCT...

Страница 4: ...using an accurate EHT voltmeter 2 The only source of X RAY radiation in this TV is the CRT The TV minimizes X RAY radiation which ensures safety during normal operation To prevent X ray radiation the...

Страница 5: ...und when the TV is in operation Install a suitable isolating transformer of beyond rated overall power when servicing or connecting any test equipment for the sake of safety 4 When replacing ICs use s...

Страница 6: ...ead the parts list in this manual carefully Substitute replacement components which do not have the same safety characteristics as specified in the parts list may create X ray radiation 2 Do not slap...

Страница 7: ...Model no CT 21CDP5CPT doc version 1 0 7 SAFETY SYMBOL DESCRIPTION...

Страница 8: ...3 Allow enough space at least 10cm between the TV and wall or enclosures for proper ventilation 4 Slots and openings in the cabinet should never be blocked by clothes or other objects 5 Please power o...

Страница 9: ...1 0 9 SPECIFICATION RF System Colour Sound system PAL SECAM BG DK I NTSC M 4 43 3 58 Programs Preset 236 0 235 Antenna Input 75 unbalanced Power Source 110 240V 50 60Hz Designs and specifications are...

Страница 10: ...Model no CT 21CDP5CPT doc version 1 0 10 CONTROL FUNCTION Front Panel Rear Panel The pictures showed are for function illustration Please refer to the TV as the standard...

Страница 11: ...Model no CT 21CDP5CPT doc version 1 0 11 Remote Control...

Страница 12: ...ck and remove CHASSIS REMOVAL 1 Remove cabinet back 2 Discharge the picture tube anode 2nd anode lead to the dag coating picture tube grounding lead 3 Disconnect Degaussing coil socket KE Picture tube...

Страница 13: ...Remove chassis referring to Chassis Removal instructions 2 Place cabinet front face down on the soft surface 3 Remove the screw one ach corner of the picture tube and GENTLY lift the picture tube out...

Страница 14: ...power switch of the TV set Operate the TV for at least 15 minutes Degauss the TV set using a specific degaussing coil Set the brightness and contrast to maximum Counter clockwise rotate the R B low br...

Страница 15: ...l convergence is obtained Circumference convergence adjustment Loosen the clamp screw holding the deflection yoke assembly and allow it tilting Temporarily put the first wedge between the picture tube...

Страница 16: ...I C bus control first change the bus data 2 1 Degaussing A degaussing coil is built inside the TV set Each time the TV is powered on the degaussing coil will automatically degauss the TV If the TV is...

Страница 17: ...in chassis board as the part is mounted on the main chassis board The power components etc should be checked for burnout when power on If burned out do not power on the TV again until the cause is fou...

Страница 18: ...IF PRESET VALUE 1 IFP2 00 IF PRESET VALUE2 TINT 20 BASE BAND TINT CONTROL TWBK 88 TIME OF WIDE BLANKING PWL 15 Peak white limted OIF 20 Off set if demodulatour 5HP 6HP adjustable HOR PARALLELOGRAM CO...

Страница 19: ...ition of LOGO COL1 04 The color of first line LOGO COL2 04 The color of second line LOGO TIME 0F The time of No signal auto off IFFS 02 IF 38MHZ 03 38 9MHZ 02 45 75MHZ 01 HDOL 0A Cathode drive level A...

Страница 20: ...glish Paneuro 0 5 OP_USER_LOGO USER S LOGO SETUP 0 6 OP_ON_BLACK 1 b l u e b a c k 0 b l a c k back 0 OP2 7 OP_FSL 0 0 OP_ENGLISH OSD language 1 ENGLISH 1 1 OP_CZECH OSD language 1 CZECH 1 2 OP_SLOVAK...

Страница 21: ...H 00001 SLOVAK 00010 0 5 OP_FORF 1 6 OP_FORS OP_FORS FORF 00 AUTO 60HZ 01 KEEP LAST 10 FORCE 60HZ 11 AUTO 50HZ 1 OP7 7 OP_HOTEL_ON_PROG 1 Startup on channel 1 hotel model available0 0 OP_AUTO_TEST Pow...

Страница 22: ..._BLANK BLANK 0 5 OP_BLANK BLANK 0 6 OP_BLANK BLANK 0 7 OP_TEXT_KEY 1 remote control unit TEXT key available 1 Notes The data sheet may differ dependent on different models The data sheet may differ de...

Страница 23: ...y and compact circuit with fewer external components The chassis widely used in small and medium TVs provides much more convenience for manufacturing and technical service It includes UOC TDA9384PS N3...

Страница 24: ...3 3 noTEXT 2 N100 TDA9345PS N3 3 1 page TEXT slim C R T n o Small signal processor micro control unit MCU TEXT page TEXT slim CRT1 3 N601 TFA9842AJ Audio power amplifier TDA4863AJ 4 N300 TDA4864AJ sli...

Страница 25: ...it Integrated luminance delay line with adjustable delay time Picture improvement features with peaking with switchable centre frequency depeaking variable positive negative overshoot ratio and video...

Страница 26: ...it Data pointer Stand by Idle and Power Down modes 14 bits PWM for Voltage Synthesis Tuning 8 bit A D converter 4 multiplexed inputs for the A D converter and 5 PWM 6 bits outputs for control of TV an...

Страница 27: ...uction of defined area Cursor Special Graphics Characters with two planes allowing four colours per character 32 software redefinable On Screen display characters 4 WST Character sets G0 G2 in single...

Страница 28: ...Output signals Demodulated CVBS output V o IFVO p p peak to peak value 2 0 V sound IF intercarrier output in QSS V o QSSO rms versions RMS value 100 Mv demodulated AM sound output in V o AMOUT rms QSS...

Страница 29: ...Model no CT 21CDP5CPT doc version 1 0 29 BLOCK DIAGRAM...

Страница 30: ...ecoupling of digital circuit of TV processor PH2LF 16 phase 2 filter PH1LF 17 phase 1 filter GND3 18 ground 3 for TV processor DECBG 19 bandgap decoupling AVL EWD 1 20 Automatic Volume Levelling 90ver...

Страница 31: ...input BLKIN 50 black current input V guard input RO 51 Red output GO 52 Green output BO 53 Blue output VDDA 54 analog supply of Teletext decoder and digital supply of TV processor 3 3 V VPE 55 OTP Pr...

Страница 32: ...perature measurements inside the chip This gives maximum output power for all supply voltages and load conditions with no unnecessary audio holes Almost any supply voltage and load impedance combinati...

Страница 33: ...Model no CT 21CDP5CPT doc version 1 0 33...

Страница 34: ...he supply voltages are independently adjustable to optimize power consumption and flyback time For the TDA4863AJ or TA4864AJ the flyback supply voltage will be generated internally by doubling the sup...

Страница 35: ...including erase Byte write and page write programming between 1 and 16 bytes Typical programming time 6ms 1 0ms for up to 16 bytes High reliability Endurance 106 cycles 1 Data retention 40 years 1 ESD...

Страница 36: ...P5CPT doc version 1 0 36 4 4 Memory Organization AT24C08 8K SERIAL EEPROM Internally organized with 64 pages of 16 bytes each the 8K requires a 10 bit data word address for random word addressing 4 4...

Страница 37: ...OSFET with a high precise error amplifier The ICs feature fewer external components small size and standard power supply 5 2 Block Diagram Terminal No Symbols Description Functions 1 D Drain Terminal...

Страница 38: ...Model no CT 21CDP5CPT doc version 1 0 38 APPENDIX...

Страница 39: ...Model no CT 21CDP5CPT doc version 1 0 39...

Страница 40: ...R235 51905104JW5 CHIP RES RC 05K104JT 5 R232 R519 R520 R595 RS100 50810012400 CHIP CAP 0805CG330J500NT 2 C200 C200A 50810012410 CHIP CAP 0805CG470J500NT 2 C582 C585 50810012430 CHIP CAP 0805CG561J500...

Страница 41: ...YLAR CAP CL21X 50V 0 22 FJ 5 C154 C155 C214 C216 C333 5236C104J10 MYLAR CAP CL21X 250V 0 1 FJ 1 C481 5246Q104KB0 POLYPROPYLENE CAP CBB62 250VAC 0 1 FK 2 C801 C804 526134P7M11 ELECTROLYTIC CAP CD110X 1...

Страница 42: ...012970 CHIP RES RC 05K750JT 1 R518 50820014540 CHIP RES RC 05K271JT 1 R608 50820014210 CHIP RES RC 05K162JT 1 R221 50820012920 CHIP RES RC 05K472JT 1 R210 51113103JU0 CARBON RES RT13 0 166W 10K J 2 R6...

Страница 43: ...V902 637080422W5 AUDION 3DG422 V912 V922 637080423W5 AUDION BF423 3 V903 V913 V923 637080423W5 AUDION 3CG423 53610210800 GZS CRT SOCKET GZS10 2 108 1 GZ01 53610210800 GZS CRT SOCKET GZS10 2 AC2 51224...

Страница 44: ...Model no CT 21CDP5CPT doc version 1 0 44...

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