Aiwa XD-DV290K Service Manual page 56

Pin No. Pin Name
126 DEFECT_IN_A
127 SI_ENC1
128 SI_ENC2
129 TZC
130 MIRR
131 MSDATAO
132 FOK
133 VDD
134 DEFECT
135 VSS
136 SLD_FG
137 C_SIG
138 COMP
139 INT1_
140 INT2_
141 VSS
142 INT3_
143 INT4_
144 VDD
145 PADCSB
146 ADCOMP
147-154 VDCDATA0-7
155 ADADDR0
156 DVDD
157 ADADDR1
158 DGND
159 AGND
160 VRT
161 AVDD
162 RF
163 VRM
164 VRB
165 MDS
166 MDP
167 OVER64
168 MON
169 LOCK
170 FG_M
171 VSS
172 SCAN_OUT
173 VDD
I/O
I EXTERNAL DEFECT INPUT PIN.
I SLED ENCODER1 INPUT.
I SLED ENCODER2 INPUT (Connected to GND.)
I TRACK CROSS PULSE 2 INPUT.
I TRACK CROSS PULSE 1 INPUT.
O SERVO DSP INTENAL STATUS SERIAL OUTPUT.
O INTERNAL GENERATED FOK (Focus OK) H=OK.
— Digital power supply.
O INTERNAL GENERATED DEFECT: H=DEFECT.
— Digital GND.
O SLD_FG=(SL_ENC1) XOR (SL_ENC2) (Not used.)
O TRACK CROSS PULSE.
O TRACK CROSS MONITOR (Not used.)
O SERVO DSP INTERRUPT 1 MONITOR (MICOM COMMAND INT) (Not used.)
O SERVO DSP INTERRUPT 2 MONITOR (FOCUS SERVO INT) (Not used.)
— Digital GND.
O SERVO DSP INTERRUPT 1 MONITOR (TRACK SERVO INT) (Not used.)
I SERVO DSP INTERRUPT 1 MONITOR (Not used.)
— Digital power supply.
I A/D 7824 OUTPUT ENABLE (LOW ACTIVE) (Not used.)
I A/D 7824 A/D CONVERTER A/D CONVERSION END STATUS (Not used.)
I A/D 7824 A/D CONVERTER DATA BUS0-7. (Connected to GND.)
O A/D 7824 A/D CONVERTER ADDRESS (Not used.)
— Digital power supply for ADC.
I A/D 7824 A/D CONVERTER ADDRESS (Not used.)
— Digital GND for ADC.
— Analog GND for ADC.
I TDF.
— Analog power supply for ADC.
I TDF.
I TDF.
I TDF.
O Spindle motor control signal (Not used.)
O Spindle motor control signal (Not used.)
O Not used.
O Spindle motor ON/OFF control signal.
O CLV servo lock signal.
I TDF.
— Digital GND.
O SCAN DATA OUTPUT (Not used.)
— Digital power supply.
70
Description