Sony MZ-R909 Recording Equipment User Manual


 
53
MZ-R909
Pin No.
Pin Name
I/O Description
197 to
199
MODE1 to 3 O
Power supply control signal output (for the over write head drive) to the over write head
drive (IC601)
200, 201 HD CON 1, 2 O Over write head control signal output to the over write head drive (IC601)
202 XTEST I Terminal for test mode set (nomally: open) L: test mode
203 XCS ADA O Chip select signal output to A/D converter (IC301)
204 XPD ADA O Power supply control signal output for the drive to A/D converter (IC301)
205 XCS LCD O Chip select signal output to the liquid crystal display element
206 LCD STB O Strobe signal output to the liquid crystal display element
207 LCD RST O Reset control signal output to the liquid crystal display element Not used (open)
208 REC LED O LED ON/OFF control signal output for REC display
209 LD ON O ON/OFF control signal output terminal of the laser diode Not used (open)
210 TSB SLV CHK O TSB slave detection signal output terminal
211 K-TAI MON
Not used (open)
212 K-TAI SW
Not used (open)
213 MCUVSS1
Ground terminal (for the microcomputer block)
214 GND SW O GND changeover control signal output
215 XOPT CTL O Power supply ON/OFF control signal output for DIN PD drive
216 CS RTC O Chip select signal output to the clock IC
217 OFTRK O Off track signal output to RF amp (IC501)
218 MUTE O Analog muting control signal output H: muting ON Not used (open)
219 XCS NV O Chip select signal output to EEPROM (IC804)
220
XRST MTR
DRV
O Reset control signal output to the motor driver (IC551)
221 XRF RST O Reset control signal output to RF amp (IC501)
222 MCUVDD3
Power supply terminal (for the microcomputer block) (+1.5V)
223 SPDL MON I Spindle servo monitor signal input from the motor driver (IC551)
224 XAVLS I Input terminal for AVLS switch detection signal
225, 226 JOG A, B I Jog dial pulse input terminal from the switch & LCD module
227 XHOLD SW I HOLD switch (S801) input terminal L: hold ON, H: hold OFF
228 SYNC REC I SYNCHRO REC switch (S802) input terminal L: OFF, H: ON Not used (open)
229 TSB SSB CTL O TSB/SSB changeover control signal output 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) (+2.4V)
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 output 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 Power supply control signal output terminal for the headphone amp Not used (open)
241 MIFVDD3
Power supply terminal (for the microcomputer I/F block) (+2.3V)
242 MIFVSS2
Ground terminal (for the microcomputer I/F block)
243 TEST2 I Input terminal for the main test (normally open)
244 NC
Not used (open)