Sony Walkman MZ-N910 Service Manual page 53

Pin No. Pin Name
164 CRADLE_DET
165 HIDC_MON
166 WK_DET
167 BATT_MON
168 HALF_LOCK_SW
169 RMC_KEY
170 JOG_PUSH
171 REC_KEY
172 END_SEARCH
173 RADIO_ON
174 RMC_DTCK
175 UDP
176 UDM
177 SUSPEND
178 UPUEN
179 UOSCI
180 UOSCO
181 SI3
182 SO3
183 SCK3
184 MSIN
185 MSOUT
186 MSCK
187 RF_POWER
188 LCD_POWER
189 SP_AMP
190 XHP_DET
191 SET_CODE0
192 SET_CODE1
193 SET_CODE2
194 SET_CODE3
195, 196 NC
197 VBUS5V_DET
198 LG_DCR_CTL
199 MUTE
200 CLV_PWR_SEL
201 CS_RTC
202 to 204 MODE1 to 3
205, 206 HD_CON_1, 2
207 TAT
208 TAN
209 NAR
210 IDO
211 SAK
212 XRST
213 TRST
214, 215 TEST0, 1
216 to 231 D0 to 15
232 to 245 A00 to 13
246 XCAS
I/O
I USB cradle or battery case detection signal input (fixed at "H" in this set)
I HIGH DC voltage monitor input (A/D input)
I Set key WAKE detection signal input
I External battery voltage monitor input (fixed at "H" in this set)
I Open button detection switch input (A/D input) "L" : the open button is pressed
I Key input (A/D input) from the remote commander
I Jog dial push detection signal input Not used (connected to the ground)
I REC key input (A/D input)
I END SEARCH key input (A/D input) Not used (connected to the ground)
I RADIO ON detection signal input Not used (connected to the ground)
I/O TSB master data clock input/output or SSB data input/output
I/O USB data (+) input terminal
I/O USB data (-) input terminal
O USB suspend signal output Not used (open)
O USB pull-up resistor connection control output terminal
I Resonator (48MHz) connection terminal for the USB oscillation circuit
O Resonator (48MHz) connection terminal for the USB oscillation circuit
I Not used (connected to the ground)
O Not used (open)
I/O Not used (open)
I Not used (connected to the ground)
O Not used (open)
I/O Not used (open)
O Power supply control signal output to the RF amplifier Not used (open)
O Power supply control signal output to the liquid crystal display module
O Built-in speaker control signal output "H": activate Not used (open)
I Headphone jack detection signal input Not used (open)
I Input terminal for the set (open in this set)
I Input terminal for the set (open in this set)
I Input terminal for the set (fixed at "L" in this set)
I Input terminal for the set (fixed at "L" in this set)
O Not used (open)
I USB power supply voltage detection terminal 2 Not used (open)
O LG DCR control signal output Not used (open)
O Analog muting control signal output to the headphone amplifier "H": muting ON Not used (open)
O CLV motor power supply selection control signal output Not used (open)
O Chip select signal output to the real time clock
O Power supply control signal output for the over write head to the REC driver
O Over write head control signal output to the REC driver
I Not used (open)
I Not used (open)
I Not used (open)
I Not used (open)
O Not used (open)
I System reset signal input from the power control "L": reset
I Terminal for the test mode setting (normally fixed at "L")
I Input terminal for the main test (normally fixed at "L")
— DRAM data0 to 15 terminal Not used (open)
— DRAM address0 to 13 terminal Not used (open)
— DRAM CAS terminal Not used (open)
Description
MZ-N910
53