Sony CDP-497 Service Manual page 10

CDP-497
•
IC301
(CXD2500QA) PIN
FUNCTION
Pin No.
I
Pin
Name
I
I/O
Function
Focus
OK
input pin.
Used
for
SENS
output
and servo auto sequencer.
Spindle
motor
output
filter
switching
output.
Spindle
motor
ON-OFF
control output.
Spindle
motor servo
control.
Spindle
motor
servo control.
Samples
GFS
at
460 Hz, and outputs
H
when
GFS
is
H. Outputs
L
if
L
continues eight times.
Oscillation circuit
output for analog
EFM
PLL.
Oscillation circuit input for
analog
EFM
PLL. fLOCK=8,6436
MHz.
TEST
pin.
Normally
GND.
Charge
pump
output
for
analog
EFM
and
PLL.
PLL
charge
pump
output for variable pitch.
Clock
input
from
the external
VCO
for variable pitch. fCcenter=l
6.9344
MHz.
Filter
output
for
master
PLL
(Slave=Digital
PLL).
Filter input for
master PLL.
PLL
charge
pump
output for
master
PLL.
Analog
GND
Master
VCO
control
voltage
input.
Analog power
supply
(+5V)
EFM
signal input.
Asymmetry
circuit
regulated current input.
Asymmetry
comparative voltage input.
EFM
full
swing
output
(L=Vss,
H=Vdd)
LrAsymmetiy
circuit
OFF
HrAsymmetry
circuit
ON.
Not
used.
Audio
data output
mode
switching input. Serial
output
at
L, parallel
output
at
H.
D/A
interface for
48
bit slot.
Word-clock f=2Fs.
D/A
interface for
48
bit slot.
LR
clock f=Fs.
Power supply (+5V).
DA16 (MSB)
output
when PSSL=1
.
48
bit slot serial
data
when PSSL=0 (2s'COMP,
MSB
first).
DA15
output
when PSSL=1. 48
bit slot bit
clock
when
PSSL=0.
DA
14 output
when PSSL=1.
64
bit slot serial
data
when PSSL=0
(2s*
COMP, LSB
first)
DA13
output
when
PSSL=1. 64
bit slot bit
clock
when PSSL=0.
DA
12
output
when PSSL=1.
64
bit slot
LR
clock
when
PSSL=0.
DAI
1
output
when
PSSL=1.
GTOP
output
when PSSL=0.
DA
10 output
when
PSSL=1.
XUGF
output
when
PSSL=0.
DA09
output
when PSSL=1.
XPLCK
output
when
PSSL=0.
DAOS
output
when PSSL=1
.
GFS
output
when PSSL=0.
DA07
output
when PSSL=1
.
RFCK
output
when PSSL=0.
DA06
output
when PSSL=1
.
C2P0
output
when PSSL=0.
DAOS
output
when
PSSL=1.
XRAOF
output
when PSSL=0.
-
10
-