Sony 757MX Service Manual - Page 22
Block, Diagram, Main - cdx reset
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UPC - 027242597846
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CDX-757MX 6-3. BLOCK DIAGRAM - MAIN Section (2/2) - ON : When magazine is set SW201 MAGAZINE DETECT SYSTEM CONTROLLER IC201 (3/3) 72 MGLK-SW MCK 52 M104 (ELEVATOR) M ELEVATOR MOTOR DRIVE IC301 OUT1 9 OUT2 7 MOTOR DRIVE IN1 3 IN2 4 36 ELVF 37 ELVR EHS 50 VREF 53 EVON 30 EEPROM IC202 SDA 5 SCL 6 79 EEDATA 82 EECLK BUCHK 92 EJECT 75 CDON 29 RES 59 X201 12.288MHz 65 EXTAL 63 XTAL SI 77 SO 76 SCLK 78 BUSON 91 RV201 ELEVATOR HEIGHT (ADDRESS) RV202 ELEVATOR HEIGHT SENSOR DRIVER +8V +8V REGULATOR IC304 CD-ROM/MP3 DECODER (IC601) B+ BATTERY CHECK Q301, 302 +2.5V REGULATOR IC603 SW801 D306 SERVO +3.3V +3.3V REGULATOR IC306 SERVO +5V RESET SIGNAL GENERATOR IC303 BUS INTERFACE (FOR SONY BUS) IC302 VCC 14 SO 10 9 SI 11 SCK 1 BUSON OUT BUSON OUT 13 DATA 6 CLK 4 LOF 12 BUSON IN 2 8 RESET RESET SWITCH RST 7 B. UP +3.3V +5V REGULATOR IC305 +3.3V REGULATOR Q303, 304 CN901 (2/2) CONTROL PS901 7 B. UP 5 DATA 4 CLK 6 BUSON 2 RST 22 22
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