Technics SX-PX107 Service Manual page 16

Pcm digital piano
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AC POWER SUPPLY
CIRCUIT
$1
Power
Switch
CONTROL
PANEL
CIRCUIT
Switches
&
LED'S
Dismay
a
VRi
MAIN
VOLUME
DIO~
DIE
|
RDO ~ RO2, ROG, RD7, RDY, ROIO
TSO~TS3
DOO
~ DOa2l
Qi~Q4
LED
Oriver
DBO~ DB7
DOO
~ 0021
Transformer
i
E
AMP
& POWER
SUPPLY
CIRCUIT
i
Se
i
Coe
ee
:
-
spe}
=]
2]
CNS
t
a] &
oe
4] | 3) 3
j
e
Sp} >] 2] 2
=
i
z
i
re)
i
|
o
i
&
:
07
Q1,2,02,3,9
n
'
ic
ia
g
icl2
5V
bs
Ic19-t
ay.
Regulator
Processor
2
PMUT
Circuit
=
=
Vv
7
| ara
a
\
BCKI
+15V
Regulator
[Ct
Lose aaa ~Al4
Converter
1701
D/A
sisyieee
| ed
~t/016
Converter
DOO
~ DOI5
Qs
+15y <———_
+
ICIS-3
1C14
EEE
BREA
Power
!ndicator
MEG
HEADPHONES
AUX
IN
LINE OUT
u-3
n-4

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