Casio CTK-450 Скачать руководство пользователя страница 19 | Manualshive

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MA0200941A

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Содержание CTK-450

Страница 1: ...with price CTK 450 ELECTRONIC KEYBOARD R CTK 450...

Страница 2: ...3 CIRCUIT DESCRIPTION Key and Switch Matrix 4 CPU MSM6567 15 5 Filter Block 6 Mute Circuit 6 Power Amplifier LA4598 7 Power Supply Circuit 8 SCHEMATIC DIAGRAMS 9 PCB VIEW AND MAJOR WAVEFORMS 10 EXPLOD...

Страница 3: ...adaptor CA 5 Auto Power Off Approx 6 minutes after the last operation Power Consumption 7 0 W Dimentions 86 x 920 x 291 mm HWD 3 3 8 x 36 1 4 x 11 7 16 inches HWD Weight 3 5 kg 7 7 lbs excluding batt...

Страница 4: ...n a click is caught in the slit return it to original position with a tweezers 2 Release the clicks one by one from an end to another along the PCBs 3 Take off the PCBs To reassemble the keyboard PCBs...

Страница 5: ...board Switches Oscillator Power Supply Circuit AVDD 5V VCC 9V Speaker Output Jack Filter T4 T5 CPU MSM6567 15 T1 T2 T3 Amplifier LA4598 Main Volume Mute Circuit Reset IC VDD 5V M5218APR T6 S 8053ANO L...

Страница 6: ...9 O K 6 F 6 G 6 G 6 A 6 A 6 B 0 1 O K 7 C 4 3 2 1 0 1 1 O K o p m e T n w o D p m o c c A 1 e m u l o V n i M 7 6 5 2 1 O K o p m e T p U p m o c c A 2 e m u l o V 3 1 O K p m o c c A 3 e m u l o V e...

Страница 7: ...EST1 TEST3 Not used Connected to ground 36 MI In Not used Connected to 5V 37 RESET In Reset signal input 38 AVDD In Ground 0V source for internal DAC 39 OUT Out Sound waveform output 40 AGND In Ground...

Страница 8: ...he sound signal just before the signal fades away The circuit detects amplitude of the decaying sound signal by amplifing it by 1000 times and transistor T6 flows the signal into the ground when the a...

Страница 9: ...Ch1 IN In Channel 1 input 7 D C Terminal for decoupling capacitor 8 Pre GND In Ground 0V source 9 Stand by In Power control signal input 0V OFF 9V ON 10 Ch2 IN In Channel 2 input 11 Ch2 N F In Negativ...

Страница 10: ...al to keep it being on HOW TO GET POWER IN OPENING TOP PANEL 1 Remove the mode switch contact from the top panel 2 Make short circuit A and B with a wire as shown below 3 Connect an AC adaptor to the...

Страница 11: ...9 SCHEMATIC DIAGRAMS M6110K KY1M KY2M...

Страница 12: ...10 PCB VIEW AND MAJOR WAVEFORMS 8 7 9 6 5 10 11 2 1 3 4...

Страница 13: ...0 0 0 5 2 7 0 0 0 9 0 0 5 7 5 7 0 0 5 8 3 2 3 1 0 1 0 1 0 1 0 1 0 1 0 1 0 1 0 1 0 6 0 6 0 6 0 6 0 6 0 6 0 6 5 4 5 4 0 6 0 6 0 6 0 6 0 5 0 5 0 5 0 5 0 0 5 9 0 0 0 0 7 7 4 5 8 7 1 2 0 0 8 6 0 0 8 6 0 0...

Страница 14: ...12 EXPLODED VIEW...

Страница 15: ...4598 M5218APR S 8053ANO 2SA854SR 2SC1740SQ 2SD1468SR 2SC3112B 2SD2008Q R E C B E B C Power GND ch1 B S ch1 OUT VCC ch1 N F ch1 IN D C Pre GND Standby ch2 IN ch2 N F ch2 OUT ch2 B S 1 2 3 4 5 6 7 8 9 1...

Страница 16: ...d specifications are subject to change with out prior notice 2 As for spare parts order and supply refer to the GUIDEBOOK for Spare parts Supply published separately 3 The numbers in item column corre...

Страница 17: ...A 2606 1428 Carbon film resistor R 20 5 6K J T23 T 1 20 2 C A 2606 1435 Carbon film resistor R 20 560 J T23 T 2 20 2 C A 2606 1442 Carbon film resistor R 20 18K J T23 T 2 20 2 C A 2606 1456 Carbon fil...

Страница 18: ...knob 601 M311859A 1 3 10 13 B A 3 6909 5890 SL contact 12D CSB 12D 3 10 35 B A N 4 6922 4500 Rubber button 508 M211736 1 1 5 140 B B 5 3831 0637 Speaker 10G28BFA 1 1 190 B C 6910 1130 Sponge A M4630...

Страница 19: ...MA0200941A...

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