Akai-HXR40-tape-sch 电路图 维修手册.pdf

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1、AKAI Radio en Televisieservice KEES van de MORTEL Bol- -MC I zyxwvutsrqponmlkjihgfedcbaZYXWVUTSRQPONMLKJIHGFEDCBA i s ; I N I 1) ,12 ,6,) 5 IN2 Vz( yz 2 iN 3 1 RadioFans.CN 收音机爱 好者资料库 T2077 (LM6405H) PIN NO. I/O A C T I V E INITIA- L I Z E PORT NAME COMMENT 42 X T A L E X T A L Crystal oscillator te

2、rminal Clock frequency: 800 kHz INPUT ANTI REC FWD Forward anti recording input Anti Recording: H INPUT i ANTI REC R E V Reverse anti recording input Anti Recordina: H 4zyxwvutsrqponmlkjihgfedcbaZYXWVUTSRQPONMLKJIHGFEDCBA i INT Interrupting terminal: To GND R E S E T Reset at L . when Power ON INPUT

3、 INPUT 10 1 INPUT H ENCODER #0 H ENCODER 2 H ENCODERzyxwvutsrqponmlkjihgfedcbaZYXWVUTSRQPONMLKJIHGFEDCBA m Cam position detection Input (Erom Encoder) * Reter to Rotary Encoder Output Table for Syscon Block Diagram INPUT H ENCODER =1 12 i OUTPUT H FWD IND FWD IND drive output L: FWD IND ON 13 OUTPUT

4、 H R E V IND R E V IND drive output L: R E V IND ON 14 OUTPUT REC IND REC IND drive output L: REC IND ON 15 OUTPUT H R E E L MOTOR P L A Y / F A S T Reel Motor drive voltage control output H: Voltage for P L A Y mode L: Voltage for FAST mode 16 17 OUTPUT OUTPUT R E E L MOTOR Reel Motor control output R E E L MOTOR PIN NO. M O D E - . IC 301 PIN NO. M O D E - . FORWARD DIRECTION H L R E V E R S E DIRECTION L H STOP H H 1 RadioFans.CN 收音机爱 好者资料库 RadioFans.CN 收音机爱 好者资料库