Aiwa DX-D91 Service Manual page 12

Compact disc player
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IC DESCRIPTION
For the description of pins as shown below,
see the manual of the XC-002.
| |
DX-D91
XC-002
IC,
CXA1082S
IC,
CXA1081S
| ® |
IC, CXA1082BQ
| @ |
IC, CXA1081S
IC,
CXP5058H-554Q
(70
T=5FD
High when emphasis
is on and in high-speed mode.
Display
segment
output.
Reserved,
Display grid scan output.
Sub-code SO + $1 input
interrupt at the leading edge.
Connected
to the ceramic oscillator.
4.19 MHz
Power input terminal.
Connected
to +B.
17
VIDE-V046611 / Druck 6
KEY input
1/0
| = |
Connected
to GND.
PNG
| teres
OOCSC—SCSCS
SYNC
Sync.
signal
to other components
input or output.
(8-bit serial)
[Pie No, [ Pin Name [170 ___——ideneviptien
SSCS
EOP>-OFF
NC
Ne
Sub-code Q read and clock input.
SQCK
Leet!
Pease
ae ee
reel
| se
Ee ae
BL
ed
er
ae aa
aoe
a
ae
oe
Display signal
input for frame sync.
lock status.
pos
| suBQ
ee
cee
pte
| SENS
ee
fe
ara
Ea soreed
ea |
fae a
pss |
pss |
Be
a
|
es
[esr [0 | mteretatnt
SCS
c
Tray open detection
switch.
Low when the tray is closed.
Indicates
the status of focus.
High when
in focus.
SW
CLOSE
P-*S
MODE
LDON
| o |
Laser diode ON/OFF output.
High when the laser diode is on.
P-OFF
| O | System ON/OFF output.
High when power is off.
P Ǥ 1 mode:
High when peak search
is performed every recording.
P +§ 2 mode:
Low when
if the disc has not been changed and the program
has not been revised,
only the peak point
is played back.
Ta
P-CONT
System ON/OFF output
from other components.
|
62)
|
RM"
42-bit
serial
remote control
input.
POE
ae nN oe all
Indicates
random play operation.
High in random mode.
(Reserved)
RANDOM
mode.
High when peak search mode.
Initial signal and AD START pulse output
to the A/D conversion circuit.
T=PrRY
PS
a
pe
Meee
ee
Pte [ woe
[| eterece clock tut Tor the peak serch (emerson erat) |
ee
ioe
Connected to +B.
Power input for FL tube display output.
Connected
to -B
18

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