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Kenwood X-E5 - Page 14

Kenwood X-E5
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X-E5
CIRCUIT
DESCRIPTION
©
Port
for
supplying
clock
for
E7PROM.
e
Port
for
turning
on/off
bias
for
REC
operation.
*
Turn
on
only
during
REC
operation.
H:
ON,
L:
OFF
©
Port
for
turning
on/off
addition
capacitive
load
for
removing
ripples
from
signal
when
level
is
read
in
automatic
adjustment
or
ATCS
operation.
*
Normally
turned
off.
H:
ON,
L
:
OFF
e
Port
for
changing
filter
for
automatic
adjustment.
¢
Filter
is
changed
according
to
OSC
output.
H:
12.5
kHz,
L
:
400
kHz
41
E?PROMCLK
(PA)
42
BIAS
(PA4)
43
READ
(PA5
44
400/12.5kHz
(PA6)
=
P=
’=
(<o)
co
for)
45,
4
f=
(PAZ,
PBO)
|
e
Unused
terminal.
47
SRQ2
(PB1)
¢
Stand-by
port
for
communication
with
receiver
and
request
for
and
receiving
data
from
deck.
¢
Micro-controlier
of
deck
set
this
port
to
H
level
to
request
for
release
of
bus
from
master
(micro-
controller
of
receiver)
when
sending
data.
*
When
receiving,
micro-controller
of
deck
notifies
receiver
that
it
is
ready
to
receive
data.
H
:
Request,
Ready,
L
:
In
communication,
bus
released
MCK
(PB2)
©
Terminal
for
communication
with
receiver
and
input
of
outside
clock.
®
Deck
sends
and
receives
data
according
to
clock
output
by
receiver.
*
Used
as
SERIAL
COMMUNICATION
BUSY
terminal
when
started
in
unit
mode.
MDT
(PB3)
¢
Terminal
for
communication
with
receiver
and
input
of
master
data.
¢
Data
for
deck
are
input
ie
through
this
terminal.
e
Used
as
SERIAL
COMMUNICATION
DATA
terminal
when
started
in
unit
mode.
SDT
(PB4)
fer
Terminal
for
communication
with
receiver
and
output
of
slave
data.
«
Data
from
deck
are
output
through
this
terminal,
synchronized
with
MCK
clock.
51
e
Clock
port
for
control
of
system
IC.
52
SYSST
(PB6)
53
SYSDT
(PB?)
(PEO)
PLAY
A
(PE1)
®
Strobe
port
for
control
of
system
IC.
©
Data
port
for
control
of
system
IC.
¢
Unused
terminal.
¢
SW
to
detect
A-mechanism
head
position.
¢
This
port
is
tested
at
every
point
of
transition
of
mechanism.
For
example,
if
head
is
lifted
up
at
last
of
playback,
this
port
is
set
to
L
level.
H
:
Head
DOWN,
L
:
Head
UP
©
SW
to
detect
tape
in
A-mechanism.
©
Tape
in
mechanism
is
judged
by
condition
of
this
port.
H
:
Tape
is
not
mounted,
L
:
Tape
is
mounted
*
SW
to
detect
chromium
tape
position
of
A-mechanism.
*
Chromium
tape
position
is
recognized
at
H
level.
H
:
Chromium
tape
position,
L
:
Normal
position
(PE4)
|
O
|
©
Unused
terminal.
OSC
OUT
(PE5)
¢
Output
terminal
of
oscillator
for
automatic
adjustment.
*
400
Hz
and
12.5
kHz
are
output.
(P10)
*
Terminal
to
detect
chip
enable.
¢
Port
to
detect
turning
off
of
power.
H
:
Power
is
turned
on,
L
:
Power
is
turned
off.
¢
Stand-by
port
for
communication
with
receiver
and
request
for
and
receiving
data
from
master.
¢
Micro-controller
of
deck
confirms
that
this
port
is
set
to
H
level
before
starting
transmission,
and
recognizes
transmission
from
master
when
this
port
is
set
to
H
under
normal
condition.
This
detection
is
made
at
interruption
level.
H
:
Request,
Ready,
in
communication,
L
:
Bus
released
*
Pulled
up
when
used
in
mode
of
UD-752.
H
:
UD-752
mode,
L
:
UD-502/562
mode
©
Unused
terminal.
¢
SW
to
detect
metal
tape
position
of
B-mechanism.
©
Detects
only
in
UD-752
mode.
¢
Recognize
metal
tape
position
at
H
level.
H
:
Metal
tape
position,
L
:
Normal
or
chromium
tape
position
©
SW
to
detect
B-mechanism
head
position.
*
This
port
is
tested
at
every
point
of
transition
of
mechanism.
For
example,
if
head
is
lifted
up
at
last
of
playback,
this
port
is
set
to
L
level.
H
:
Head
DOWN,
L
:
Head
UP
*
SW
to
detect
tape
in
B-mechanism.
©
Tape
in
mechanism
is
judged
by
condition
of
this
port.
H:
Tape
is
not
mounted,
L
:
Tape
is
mounted
*
SW
to
detect
chromium
tape
position
of
B-mechanism.
¢
Chromium
tape
position
or
metal
tape
position
is
recognized
at
H
level.
H
:
Chromium
tape
or
metal
tape
position,
L
:
Normal
position
©
Power
supply
terminal
for
device.
Empty
terminal.
Connected
to
Vdd.
©
SW
to
inhibit
recording
on
A-side
of
B-mechanism.
®
Set
to
L
level
when
recording
on
A-side
of
B-mechanism
is
inhibited.
H
:
Recording
is
permitted,
L
:
Recording
is
inhibited
B
HALF
A
(PE2)
57
CRO2A
(PE3)
59
61
MRQ2
(Pl1)
D752
(PI2
(PI3~PI7)
METAL
B
(PGO)
Cc
62
Lo]
2
fo}
~~
PLAY
B
(PG1)
70
HALF
B
(PG2
71
CRO2
B
(PG3)
nN
z\s
O16
sic
za
forked
74
INF
F
(PG4)
Ww
14

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