Read Sony HCD-WZ7AV Service Manual online
41
HCD-WZ7AV
Pin No.
Pin Name
I/O
Description
109
XLAT
I
Serial data latch pulse signal input
110
L DCLK
O
Serial data transfer clock signal output
111
CLOK
I
Serial data transfer clock signal input
112
L SENS
I
SENS signal input
113
SENS
O
SENS signal output
114
L SLCK
O
SENS serial data readout clock signal output
115
SCLK
I
SENS serial data readout clock signal input
116
VDD3
—
Digital power supply terminal (+2.5V) (for CD-DSP block)
117
ATSK
I/O
Input/output terminal for anti-shock Not used
118
XUGF
O
XUGF signal output terminal Not used
119
XPCK
O
XPCK signal output terminal Not used
120
L GFS
I
Guard frame sync signal input
121
GFS
O
Guard frame sync signal output
122
VSS3
—
Digital ground terminal
123
L CDC2PO
I
C2 pointer signal input
124
C2PO
O
C2 pointer signal output
125
L SCOR
I
Subcode sync (S0+S1) detection signal input
126
SCOR
O
Subcode sync (S0+S1) detection signal output
127
COUT
O
Numbers of track counted signal output terminal Not used
128
VDD4
—
Digital ground terminal (for CD-DSP block)
129
MIRR
I/O
Mirror signal input/output terminal Not used
130
DFCT
I/O
Defect signal input/output terminal Not used
131
L FOK
I/O
Focus OK signal input/output
132
FOK
I/O
Focus OK signal input/output
133
MDP
O
Spindle motor servo drive signal output
134
VSS4
—
Digital ground terminal
135
SSTP
I
Detection signal input from limit in switch The optical pick-up is inner position when “H”
136
FSTO
O
2/3 frequency-division output of the XTAI (pin <zv. ) Not used
137
SFDR
O
Sled motor servo drive signal (+) output
138
SRDR
O
Sled motor servo drive signal (–) output
139
VDD5
—
Digital power supply terminal (+2.5V) (for CD-DSP block)
140
TFDR
O
Tracking coil servo drive signal (+) output
141
TRDR
O
Tracking coil servo drive signal (–) output
142
FFDR
O
Focus coil servo drive signal (+) output
143
FRDR
O
Focus coil servo drive signal (–) output
144
VSS5
—
Digital ground terminal
145
WFCK
O
Write frame clock signal output terminal Not used
146
WDCK
O
Word clock signal output terminal Not used
147
ASYE
I
Asymmetry circuit on/off control signal input terminal “L”: off, “H”: on
148
VDD6
—
Digital power supply terminal (+2.5V) (for CD-DSP block)
149
XTAI
I
Main system clock input terminal (33.8688 MHz)
150
XTAO
O
Main system clock output terminal (33.8688 MHz)
151
VSS6
—
Digital ground terminal
152
TES1
I
Input terminal for the test Normally: fixed at “L”
153
TEST
I
Input terminal for the test Normally: fixed at “L”
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