![background image](http://html.mh-extra.com/html/sony/hcd-xgv50/hcd-xgv50_service-manual_1329786051.webp)
51
HCD-XGV50
Description
Pin Name
Pin No.
I/O
123
L_CDC2PO
I
C2PO signal input
124
C2PO
O
C2PO signal output
125
L_SCOR
I
Sub code sink (S0 or S1) detect signal input
126
SCOR
O
Sub code sink (S0 or S1) detect signal output
127
COUT
I/O
Not used (open)
128
VDD4
—
Power supply (+2.5V)
129
MIRR
I/O
Not used (open)
130
DFCT
I/O
Not used (open)
131
L_FOK
I/O
Focus OK signal input/output
132
FOK
I/O
Focus OK signal input/output
133
MDP
O
Servo control signal output of spindle motor
134
VSS4
—
Ground
135
SSTOP
I
Inner position of optical pick-up signal input
136
FSTO
O
Not used (open)
137
SFDR
O
Sled motor control signal output
138
SRDR
O
Sled motor control signal output
139
VDD5
—
Power supply (+2.5V)
140
TFDR
O
Tracking coil control signal output
141
TRDR
O
Tracking coil control signal output
142
FFDR
O
Focus coil control signal output
143
FRDR
O
Focus coil control signal output
144
VSS5
—
Ground
145
WFCK
O
Not used (open)
146
WDCK
O
Not used (open)
147
ASYE
I
Not used (Connected to +2.5V)
148
VDD6
—
Power supply (+2.5V)
149
XTAI
I
Crystal oscillator input (33.8688MHz)
150
XTAO
O
Crystal oscillator output (33.8688MHz)
151
VSS6
—
Ground
152
TES1
I
Not used (Connected to ground)
153
TEST
I
Not used (Connected to ground)
154
NC
—
Not used (open)
155
NC
—
Not used (Connected to ground)
156
AVD0
—
Power supply (+2.5V)
157
IGEN
I
OP AMP current constant setting input
158
AVS0
—
Ground
159
ADIO
O
Not used (open)
160
RFDC
I
RF signal input
161
CE
I
center servo analog signal input
162
TE
I
Tracking error signal input
163
SE
I
Sled error signal input
164
FE
I
Focus error sigunal input
165
VC
I
Center voltage signal input
166
VPCO
O
EFM PLL charge pump output
167
VCTL
I
EFM PLL charge pump input
168
FILO
O
Master PLL filter output
169
FILI
I
Master PLL filter input
170
PCO
O
Master PLL change pump output
171
CLTV
I
VCO1 control signal input
Summary of Contents for HCD-XGV50
Page 79: ...79 HCD XGV50 MEMO ...