Sony Walkman MZ-RH1 - IC Pin Function Descriptions (Continued - IC801 P2); IC801 Main Board Pinout Description (3;5)

46
MZ-RH1
Pin No. Pin Name I/O Description
108
SE I Sled error signal input from the RF amplifier
109
TE I Tracking error signal input from the RF amplifier
110, 111
AUX1, AUX2 I Auxiliary A/D input terminal Not used
112
ADRT I The upper limit voltage of A/D converter input terminal
113
APC I Error signal input terminal for the laser automatic power control Not used
114
ADC1EXTC - Connection terminal for an external capacitor (for A/D converter)
115
TEMP_MON I Thermistor connection terminal for temperature detection
116
VB_MON I Monitor input terminal of rechargeable battery power supply voltage (UNREG)
117
CHG_MON I Charge or discharge current monitor input from power control IC
118
VREF_MON I Reference voltage monitor input from the RF amplifier
119, 120
SET_KEY_1,
SET_KEY_2
I Set key input terminal (A/D input)
121
DCIN_DET I Monitor input terminal of DC input voltage for battery charge Not used
122
HIDC_MON I Monitor input terminal of High DC voltage
123
WK_DET I Detection terminal of panel key input for system wake up
124
VBUS_MON I Monitor input terminal of USB power supply voltage (VBUS)
125
BATT_MINUS_
MON
I Monitor input terminal of battery minus terminal
126
RMC_KEY I Remote commander key input terminal (A/D input)
127
XHOLD_SW I HOLD switch input terminal
128
DRAM_HOLD_
DET
I Detection terminal for internal D-RAM power supply information keeping
129
JOG_A I Jog dial pulse input terminal (A phase) Not used
130
JOG_B I Jog dial pulse input terminal (B phase) Not used
131
OPEN_CLOSE_
SW
I Top panel open/close detection switch input terminal
132
XREC_KEY I REC key input terminal
133
XTEST I Input terminal for the test mode setting "L": test mode
134
HALF_LOCK_
SW
I Top panel open switch detection terminal
135
XRST I System reset signal input terminal
136
ADC3VREFH I Reference voltage input terminal (High voltage)
137
ADC3VREFL I Reference voltage input terminal (Low voltage)
138
ADC3EXTC O Connection terminal for an external capacitor (for A/D converter)
139
VINP I RF signal input from the RF amplifier
140
ADFG I ADIP duplex FM signal (19.05kHz to 21.05 kHz) input from the RF amplifier
141
TRDR O Tracking servo drive PWM signal output (-) to the coil driver
142
TFDR O Tracking servo drive PWM signal output (+) to the coil driver
143
FFDR O Focus servo drive PWM signal output (+) to the coil driver
144
FRDR O Focus servo drive PWM signal output (-) to the coil driver
145
FS4 O 176.4 kHz clock signal output to the over write head driver and power control IC
146
SLVS O Sled servo drive PWM signal output to the motor driver
147
SPDU O Spindle motor drive control signal output (U) to the motor driver
148
SPVS O Spindle servo drive PWM signal output to the motor driver
149
SPDV O Spindle motor drive control signal output (V) to the motor driver
150
SPDW O Spindle motor drive control signal output (W) to the motor driver
151
SPCU I Spindle motor drive comparison signal input (U) from the motor driver
152
SPCV I Spindle motor drive comparison signal input (V) from the motor driver