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Akai 21CTU94BC Скачать руководство пользователя страница 1

21CTU94BC

CRT COLOR TV SET

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Содержание 21CTU94BC

Страница 1: ...21CTU94BC CRT COLOR TV SET...

Страница 2: ...SERVICE MANUAL This manual is the latest at the time of printing and does not include the modification which may be made after the printing by the constant improvement of product AKAI 21CTU94BC...

Страница 3: ...of Materials 3 Safety Precautions 7 TV Block Diagram 8 Replacement Of Memory IC 10 Service Adjustment 10 ICs Functional Description 18 Test point Waveforms 22 Purity Convergence Adjustment 23 Explore...

Страница 4: ...RT 1 6W 12K J 1 R207 37 RT 1 6W 150K J 1 R605 38 RT 1 6W 150K J 1 R700A 39 RT 1 6W 15K J 3 R725 R609 R610 R553 R558 R565 R566 R573 R713 R730 R803 R805 R816 R818 R820 R822 41 RT 1 6W 2 7K J 1 R705A 42...

Страница 5: ...03 98 CD110 16V 47UF M 5 C563 C564 C565 C709 C712 99 CD110 16V 47uF M 1 C715 100 CD110 250V 10UF M 1 C459 101 CD110 25V 470UF M 5 C314 C315 C555 C556 C601 102 CD110 35V 100UF M 1 C304 103 CD110 35V 47...

Страница 6: ...165 IVPH V03USB 001 1 166 CL11 100V 0 0047uF K 1 C522 167 CL11 100V 0 0068uF K 1 C215 168 CL11 100V 0 015uF K 1 C301 169 CL11 100V 0 033uF K 3 C404 C519 C559 170 CL11 100V 0 047uF K 2 C302 C310 171 CL...

Страница 7: ...V933 197 EWE 5053 V8 ET 5K1E EV100K 1 A101 198 W206 2AL20K K 1 RP551 199 MTZJ3V3 3C2 1 D703 200 MTZJ3V6 4A2 1 D509 201 MTZJ5V1 5C2 2 D801 D802 202 MTZJ5V6 6B1 2 D567 D564 203 MTZJ8V2 1 D941 204 MTZJ8V...

Страница 8: ...check high voltage by drawing an arc Use a high voltage meter or a high voltage probe with a VTVM Discharge the picture tube before attempting meter connection by connecting a clip lead to the ground...

Страница 9: ...MA IN R MAOUTL RGB OUT V OUT H OUT Vo V2i AR i1 R G B ARi 2 ALi 2 ALi2 ALi1 24C08 POWER UNIT 130V 24V 13V 8V 5V 3 3V CRT PCB V IN TDA8177 V OUT H IN H OUT H OUT DY 200V SCREEN FOCUS TDA11105 XXXX Vi1...

Страница 10: ...9...

Страница 11: ...aw factory mode 5 The TEST will be displayed on the screen 6 Check the setting value of the SYSTEM default value of Table below If the value is different select items by CH CH keys and set value by VO...

Страница 12: ...center correspond to CRT horizontal center Receive NTSC signal and repeat above M0 and M1 adjustment M2 Menu AGC Adjustment Receive 60dB 1mV VH colour bar pattern signal adjust AGC value voltage from...

Страница 13: ...justment 30 0 H PAR 63 32 Picture parallelogram adjustment 31 0 H BLK SW ON OFF Horizontal blank switch ON M1 TV DVD CL 0 15 Contrast level offset 13 BLOC 0 15 Black level offset course 6 R BIA 0 63 R...

Страница 14: ...ve peaks 2 TCI2X 0 1 Top sync clamp current of the CVBS Y input clamp 0 clamp current about 80 uA 1 clamp current about 160 uA 0 BKS ON OFF Baack stretch ON BSD 0 1 Black stretch Depth 0 15IRE 1 30 IR...

Страница 15: ...is 2 mA 0 FSPS 0 1 Selection of left or right hand side in split Screen mode 0 FSPB 0 1 Blanking in split screen mode 0 FSPE 0 1 Enable split screen mode for demonstration of features 0 HCO 0 1 EHT t...

Страница 16: ...f 0 DTR 0 1 Chroma trap mode 0 single chroma trap 1 dual chroma trap more suppression but less bandwidth 0 Y P 0 15 Y delay adjustment for PAL signal 8 Y N 0 15 Y delay adjustment for NTSC signal 8 Y...

Страница 17: ...N SIF PRI ON OFF Force sound system as auto search ON POWER REST 0 3 AC power on start selection 1 BANLANCE ON OFF AV stereo selection ON AV STEREO OFF MONO OFF HALFTONE ON OFF Half tone select OFF ME...

Страница 18: ...eys The LOGO perpendicular position adjust 1 adjusts upward 2 get down adjustment Press 3 4 keys The LOGO level position adjust 3 is to the left adjustment 4 rightwards adjusts Press 5 6 keys The colo...

Страница 19: ...Automatic volume leveling EAST WEST drive output DECBG 17 Band gap decoupling SECPLL 18 SECAM PLL decoupling GND1 19 Ground 1 for TV processor PH1LF 20 Phase 1 filter PH2LF 21 Phase 2 filter VP1 22 1s...

Страница 20: ...tle output LSR 58 Audio output R LSL 59 Audio output L C2 C3 C4 AIN5R 60 S VIDEO C IN AIN3 IN1R 61 R AUDIO IN CVBS2 Y2 62 AV2 VIDEO IN AIN2 1INL 63 L AUDIO IN CVBS Y4 AIN5L 64 AV1 VIDEO IN TDA7266SA W...

Страница 21: ...t c n u J e c n a t s i s e R l a m r e h T Rth j amb W C 8 4 t n e i b m a n o i t c n u J e c n a t s i s e R l a m r e h T ELECTRICAL CHARACTERISTCS VCC 11V RL 8 f 1KHz Tamb 25 C unless otherwise s...

Страница 22: ...cy 0 010 0 1 1 10 k 0 2 k 0 1 k 1 0 0 1 THD Vcc 11 V Rl 8 o hm Pou t 100m W Pou t 2W fr eque nc y Hz 5 000 4 000 3 000 2 000 1 000 0 0 1 0000 2 0000 3 0000 4 0000 5 0000 10 100 1k 10k 100k Level dB r...

Страница 23: ...est point Waveforms TDA8177 ST9302 LA78040 or LA78041 PIN 1 2 3 4 5 6 7 V 0 7 15 12 15 0 3 15 9 0 07 V451 C 5Vpp 0 9Vpp 1000Vpp 1 3Vpp H H 1Vpp V H H CRT KB CRT KG CRT KR 95Vpp 95Vpp 95Vpp H H H T511...

Страница 24: ...the center of the screen Fig 3 8 Move the deflection yoke forward and fix the position of the deflection yoke so that the whole screen will become green 9 Insert the wedge to the top side of the defle...

Страница 25: ...convergence DYNAMIC CONVERGENCE ADJUSTMENT 1 Move the deflection yoke up and down and overlap lines in the periphery Fig 2 2 Move the deflection yoke left to right and overlap the lines in the periph...

Страница 26: ...21CTU94BC...

Страница 27: ...AKAI 21CTU91BC AKAI 21CTU93BC AKAI 21CTU94BC...

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