Key Matrix - Akai AT-S61 Service Manual

Fm am quartz synthesizer tuner / dc stereo integrated amplifier
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AT-S61/L/J
7. KEY MATRIX
t
|
ICQ
AT-600
|
|
KEY IN
LOCK SW
TIMING CONTROL
|
|
K4
K3
K2~
KI
KD
Tl
T2
T3
4
TS
T6
7
L _@)--@--€)--@- — — -@- ——--@- —
—-@- — -_©@-———©-- ---9--—-@
>)
——-9- ——-©- —---©- —--@- —--@---
5
|
|
Ly
A
VV cin \/
\/
M7
we
|
O
O
OM545I17
O
O
O
O
|
L~)— ——(9-—— x()- —--@-
— —)- —
—-©- ---@ 4
es
©
©
S
er
O
O
O
O
O
O
O
®
£70
So
©)
O
O)
Fig. 10
| Destination
AM
FM
Connected
Diode
J
522 ~ 1611 kHz( 9 kHz STEP)
76.00 ~
90.00 MHz (100 kHz STEP)
D24
C,A
530 ~ 1610 kHz (10 kHz STEP)
87.40 ~ 108.10
MHz (100 kHz STEP)
D25, D26
U,E,S,V
522 ~ 1611 kHz(
9 kHz STEP)
87.40 ~ 108.10 MHz(
50 kHz STEP)
None
LW 137 ~ 362 kHz (10 kHz STEP)
r
L BAND
MW 522 ~ 1611 kHz( 9 kHz STEP)
87.40 ~ 108.10 MHz(
50 kHz STEP)
D27

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