34
MZ-G750/R700
Pin No. Pin Name I/O Description
224 – 226 (XAVLS), (SOUND 1, 2) I Not used (open)
227 XHOLD SW I HOLD switch input terminal “L”: hold ON, “H”: hold OFF
228 (SYCN REC) I SYNCHRO REC switch input terminal “L”: OFF, “H”: ON Not used (open)
229 NC O Not used (open)
230 PROTECT I Detection input terminal of the record check claw from the protect detection switch
(S803) “L”: recording possible condition, “H”: protect
231 FLASHVDD —Power supply terminal (for the internal FLASH ROM) (+2.4 V)
232 FLASHVSS —Ground terminal (for the internal FLASH ROM)
233 SLD MON I Sled servo monitor signal input from the motor driver (IC551)
234 VLON O Power supply control signal output for the laser diode drive to the power
control (IC901)
235 SLEEP O System sleep control signal coutput to the power control (IC901) “H”: sleep ON
236 FFCLR O Input latch output for the start switching to the power control (IC901)
237 CHG GAIN O Charge gain control signal output to the power control (IC601)
238 CHG O Charge ON/OFF control signal output to the power control (IC601) “H”: charge ON
239 (TUN REG ON) O Not used (open)
240 XHP STBY O Headphone standby signal output to the headphone amp (IC302)
241 MIFVDD3 —Power supply terminal (for the microcomputer I/F block) (+2.3 V)
242 MIFVSS2 —Ground terminal (for the microcomputer I/F block)
243 TEST2 O Input terminal for the main test (normally open)
244 NC —Not used (open)