Sony Walkman MZ-RH1 Service Manual page 48

MZ-RH1
Pin No. Pin Name
209
USB_CHARGE
210
XRF_RST
211 CHG_PWM
212
IAMP_CAL
213
XMUTE
D_VCONT_
214
PWM
215
PWM4
216 XCS_USB_DRV
217
XCS_REC_DRV
218
XCS_REC_USB
219
USB_VDD_SW
220 XCS_NV
221
VBUS_DET
222
SSB_DATA
223
SSB_CLK
224 HI_Z_SPDL
225
LDPEN
HNH, HNL, HPH,
226 to 229
HPL
230, 231
TEST, TEST2
232 HSALF
233, 234
JTAG0, JTAG1
235
XLSRCK
236
USBHOLD2
237 VBUS_VB_CTL
238
CHG_CTL
239
IAMP_CTL
240
D_ENVREG
241 TAT
242
TAN
243
NAR
244
IDO
245 SAK
246
RTCK
247
SI3
248
SO3
249 SCK3
250
SI4
251
SO4
252
SCK4
253 EL_VDD_CTL
254
XCS_DISPLAY
255
OPT_DET
256
XJACK_DET
257 XMIC_DET
258
DOUT
259
XCS_ADC
48
I/O
O USB charge control signal output terminal
O Reset signal output to the RF amplifier
O Charge current or voltage control signal output to the charge control IC
O Offset signal output for current detection amplifier to the charge control IC
O Muting on/off control signal output terminal
O Voltage control signal output to the headphone amplifier
- Not used
- Not used
- Not used
O Chip select signal output to the power control IC
- Not used
O Chip select signal output to the EEPROM
I Detection terminal of USB power supply
I/O SSB data input/output with the RF amplifier
O SSB clock output to the RF amplifier
O Standby signal output for the spindle motor to the motor driver
O Pulse/DC light-emit selection signal output to the optical pick-up block
O EFM encode data output for the recording to the over write head driver
I Input terminal for the test Not used
I Setting terminal
I/O Setting terminal
O Pulse output for laser strobe recording to the optical pick-up
I Detection terminal of USB power supply
O USB power supply control signal output terminal
O Constant current circuit control signal output to the charge control IC
O Current sense amplifier control signal output to the charge control IC
O Internal power supply on/off control signal output to the headphone amplifier
I Not used
I Not used
I Not used
I Not used
O Not used
O Not used
I Serial data output terminal Not used
O Serial data output to the A/D converter
O Serial data transfer clock signal output to the A/D converter
I Serial data input from the display driver IC
O Serial data output to the display driver IC
O Serial data transfer clock signal output to the display driver IC
O EL power supply on/off control signal output terminal
O Chip select signal output to the display driver IC
I Optical digital input plug detection signal input terminal "H": optical in
I Line input plug detection signal input terminal "L": plug in
I Microphone input plug detection signal input terminal "L": plug in
O Not used
O Chip select signal output to the A/D converter
Description