Sony MX-E500 User Manual

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Pin No.
Pin Name
I/O
Description
210
TSB SLV CHK
I
TSB slave check
211
K-TAI
I
Not used (open) 
213
MCUVSS1
Ground (for the microcomputer block)
214
CAV CLV SW
O
Not used (open)
215
XOPT CTL
O
Not used (open)
216
CS RTC
O
Not used (open)
217
OFTRK
I
Off track signal input
218
MUTE
O
Analog mute    “H”: muting ON
219
XCS NV
O
NV RAM chip select
220
XRST MTR 
DRV
O
NADESHIKO2 reset
221
XRF RST
O
TIARA reset
222
MCUVDD3
Power supply (for the microcomputer block)
223
SPDL MON
I
Spindle monitor
225, 226 
SOUND 1, 2
I
Not used (open)
227
XHOLD SW
I
HOLD switch detection
228
SYNC REC
I
Not used (open)
229
SYNC LINE
O
Not used (open)
230
PROTECT
I
Not used (open)
231
FLASHVDD
Power supply for FLASH 
232
FLASHVSS
Ground terminal for FLASH 
233
SLD MON
I
Sled monitor
234
VLON
O
Laser power supply control
235
SLEEP
O
SLEEP request
236
FFCLR
O
Input latch output for the start signal
237
CHG GAIN
O
Not used (open)
238
CHG
O
Not used (open)
TUN REG ON
O
Not used (open)
241
MIFVDD3
Power supply (for the microcomputer I/F block)
242
MIFVSS2
Ground (for the microcomputer I/F block)
243
TEST2
O
Not used (open)
244
NC
Not used (open)
212
DTCK CHK
I
Not used (open) 
224
XA VLS
I
AVLS  SW detection
239
240
XHP STBY 0
O
HP Amp power supply control