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WQ-:CH400H/450H
WQ-CH400L..—
cassette mechanism motor in sync REC
Output
SYNC OUT
"H": Motor ON
P10
Input
SYNC IN
Record mode detection input
Cassette mechanism record state detection
input "L": Record state
L
L
L
CLV servo
L
L
H | Status
L
H
L
Attenuate register
L
Ht
H
Subcode Q register
interface and control command data
to
M62472FP/M65822AFP
APCSW
APC control output
. | Output of contral command data to M62472FP/
Input
LOCK/DRD
Disc rotation state input
sy.
f=
a o
= =!
a
3
=
»
=
a 3 @
Function
Description
6 =f
4
Oo
ok
G
|
Serial data input/output
:
ate
-M65822AFP and input of subcode Q data from. .
-M65822AFP
APC control output to M62472FP "HY APC ON
(The same timing as FMUTE, but reverse motion)
Input of EFM signal sync state/low disc rotation
state monitor signal from M65822AFP
"HH": EFM
signal sync DRD signal in brake mode
Subcode Q register interruption
signal input
MUTE
Audio mute control output
CONFIG
DAC made control output only when
DACSEL = "H"
Bourn
Input of operation state
|
input of internai state signal corresponding
a
|
to command of M62472FP
"L": P/S an
1
Dé CNTRO
10
11
2
3 1
D7 CNTRI
D8 INTO
ZEROX
D9 SCK
RTPO
Input of subcode Q register read-out
interruption signal from M 65822AFP
"L*: Read-out enabled
Audio mute ON/OFF control output
"H": MUTE ON
DAG data formatting of CS4330 and
de-emphasis control
"L": DE-EMPHASIS ON
"H": DE-EMPHASIS OFF
DACSEL ="L": GND WQ-CH400
Di0 SOUT
RTP1 PWM
16
P21 [NTT
RESET
a7ee
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