Aiwa XD-DV370 Service Manual page 61

IC DESCRIPTION - 10/11(GDC25D801C) - 4/5
Pin No. Pin Name
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 ADCSB
146 ADCOMP_
147 VDCDATA0
148 VDCDATA1
149 VDCDATA2
150 VDCDATA3
151 VDCDATA4
152 VDCDATA5
153 VDCDATA6
154 VDCDATA7
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
I/O
I SLED ENCODER1 INPUT
I SLED ENCODER2 INPUT
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)
O TRACK CROSS PULSE
O TRACK CROSS MONITOR
O SERVO DSP INTERRUPT 1 MONITOR(MICOM COMMAND INT)
O SERVO DSP INTERRUPT 2 MONITOR(FOCUS SERVO INT)
– Digital GND
O SERVO DSP INTERRUPT 1 MONITOR(TRACK SERVO INT)
O SERVO DSP INTERRUPT 1 MONITOR
– Digital power supply
O PLESSY D/A CHIP SELECTION
I A/D 7824 A/D CONVERTER A/D CONVERSION END STATUS
I A/D 7824 A/D CONVERTER DATA BUS0
I A/D 7824 A/D CONVERTER DATA BUS1
I A/D 7824 A/D CONVERTER DATA BUS2
I A/D 7824 A/D CONVERTER DATA BUS3
I A/D 7824 A/D CONVERTER DATA BUS4
I A/D 7824 A/D CONVERTER DATA BUS5
I A/D 7824 A/D CONVERTER DATA BUS6
I A/D 7824 A/D CONVERTER DATA BUS7
O A/D 7824 A/D CONVERTER ADDRESS
– Digital power supply for ADC
O A/D 7824 A/D CONVERTER ADDRESS
– 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
O Spindle motor reversal sensing signal output (Not used)
Description
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