Read Sony HCD-SR1 / HCD-SR2 / HCD-SR3 (serv.man2) Service Manual online
42
HCD-SR1/SR2/SR3
Pin No.
Pin Name
I/O
Description
116
RFDCC
I
Input terminal for adjusting DC cut high-pass filter for RF signal Not used
117
RFIN
I
RF signal input from the DVD/CD RF amplifier
118, 119
VCCA5, VCCA4
—
Power supply terminal (+3.3V) (analog system)
120
VCOR1
—
VCO oscillating range setting resistor connected terminal
121
VCOIN
I
VCO input terminal
122, 123
GNDA4, GNDA3
—
Ground terminal (analog system)
124
LPF5
O
Signal output from the operation amplifier from PLL loop filter
125
VC1
I
Middle point voltage (+1.65V) input terminal
126, 127
LPF2, LPF1
I
Inverted signal input to the operation amplifier from PLL loop filter
128, 129
VCCA3, VCCA2
—
Power supply terminal (+3.3V) (analog system)
130
PDO
O
Signal output from the charge pump for phase comparator
131
PDHVCC
I
Middle point voltage input terminal for RF PLL
132
FDO
O
Signal output from the charge pump for frequency comparator
133, 134
GNDA2, GNDA1
—
Ground terminal (analog system)
135
SPO
O
Spindle motor control signal output
136
VC2
I
Middle point voltage (+1.65V) input terminal
137
MDIN2
I
Spindle motor servo drive signal input
138
MDIN1
I
MDP input terminal
139
VCCA1
—
Power supply terminal (+3.3V) (analog system)
140
CLVS
O
Control signal output for selection the spindle control filter constant at CLVS
141
VSS
—
Ground terminal (digital system)
142
MDSOUT
O
Frequency error output terminal of internal CLV circuit
143
VDD
—
Power supply terminal (+3.3V) (digital system)
144
MDPOUT
O
Phase error output terminal of internal CLV circuit
145
DFCT
I
Defect signal input terminal Not used
146
GSCOR
I
Guard subcode sync (S0+S1) detection signal input from the digital signal
processor
147
EXCK
O
Subcode serial data reading clock signal output to the digital signal processor
148
SBIN
I
Subcode serial data input from the digital signal processor
149
VSS
—
Ground terminal (digital system)
150
SCOR
I
Sucode sync (S0+S1) detection signal input from the digital signal processor
151
WFCK
I
Write frame clock signal input from the digital signal processor
152
VDD5V
—
Power supply terminal (+5V)
153
XRCI
I
RAM overflow signal input terminal Not used
154
VDDS
—
Power supply terminal (+5V) (digital system)
155
C2PO
I
C2 pointer signal input from the digital signal processor
156
VDD
—
Power supply terminal (+3.3V) (digital system)
157
DBCK
O
Bit clock signal (2.8224 MHz) output terminal Not used
158
BCLK
I
Bit clock signal (2.8224 MHz) input from the digital signal processor
159
DDAT
O
PCM data output terminal Not used
160
MDAT
I
Serial data input from the digital signal processor
161
VSS
—
Ground terminal (digital system)
162
DLRC
O
L/R sampling clock signal (44.1 kHz) output terminal Not used
163
LRCK
I
L/R sampling clock signal (44.1 kHz) input from the digital signal processor
164
XRST
I
Reset signal input from the mechanism controller “L”: reset
165
IFS0
I
Interface selection signal input terminal Fixed at “L” in this set
166
IFS1
I
Interface selection signal input terminal Fixed at “H” in this set
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