Block Diagram - Yamaha PORTATONE PSR-530 Service Manual

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PSR-530
PSR-530
BLOCK DIAGRAM
v 0 ^^T'p-yh)
ROTARY
ENCODER
I::: i
f=—#
PO[0-7] :
LATCH
....
74H0374
O £ ^
,
-L J- H
O
o a o
1=
PC/MAO c
VOLTAGEc
SUSTAINc
IC601
LDCO-7]
LATCH
IH
D-FF
(Main-CPU)
HD6437042E00F
7MHz
2
33.8686
MHz
£
HDh J"
PE Cl 3, IS]
!{> LCD-RS
LCOENBL-l
32M ROM
(Main)
PROGRAM
1
L
_
+9V
1
REG
g
T-±J
SWPOOM
TC203C060AF
32M ROM
(Wave)
MASTER
VOLUME
IC301
DAG
Ai PD63200
i
LINE
i FILTER
MIDI-OUT J
MIDI-IN
i
PO/MAO<;
MlDI-OUTc
MIDI-INC
SELECTOR
TRANS-
1
CEIVER
S
MC34051
61 KEYS
ICl
HD63B05V0
CPU
N[1t-16^1-26]
IHZI
B[!-7]
'i:—'X
IC105
^t30-2l3: >
DECODER
V
74H0139
CS3i=i>
IC201,202
EQUALIZER
M5227P
PHONES
LA4705N
k-4
POWER
z
AMP. IC701
LEFT
SPEAKER
DM-JK
AM-JK
- MIDI -
IN
OUT
-AUX OUT-
L/L-FR
R
SUSTAIN
RIGHT
SPEAKER
28CA1-8812040

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