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Name
of pin
Name
of pin
1/0
Division
eS
Attenuation ON/OFF,
effective at ''H"
f= O~ | Muting control
| oo | Muting reay ON/OFF.
:
Effective with de-emphasis
switch ON/OFF at ''H''
P AOt 5 Disc holder open command
1/o
1/0
Division
Division
Track counter
Synchronizing signal extracted
from disc
Input for sub-code test from
EFM demodulator
ATSB
MUTE
MUTE
<a
eee
eal
Tracking error signal input terminal
P71
CLOSE
Disc holder close command
#8
is
PAUSE
Led
(Light up at "H'')
Traverse servo standard detection
;
P73
PLAY
Play indicator display
Traverse servo standard detection
Laser diode, focus servo ON/OFF
(Light up at ''H'')
Traverse Reverse command,
10G
effective with ''H"' pulse
o
6)
Traverse Forward command,
effective with '"'H" pulse
Spindle
motor
drive
e
e
:
le
=
T Battery
PLL
Circuit
TTCK
> | — |
x q)
Display data (Digit) and key
matrix data output
Clock (4.32 MHz) input
Power Supply (+5V)
<
a |
al
ca
eee
cow
Ea
ee
ae
~
~
Electronic switch and volume control
a Q)
5V
I
mt
I
15V
u
~
ba
RL9OI
VR85!
6 De
Headphone
Sa
aca
IRE
LT 1c303
«= 1c303
LED
Driver
Comparator circuit
LED
Driver circuit
Rech
x
NS
~
NS
©) Len
my
ban
bon Yep
15V
J,
\ J,
ey
NG 7)
(4)
(6)
(8)
(10)
&)«2)
y iy
Ss
4 Fo)
15V
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