4.
BLOCK DIAGRAM
MAIN
BOARD
1
CHIP=CPU+VOP+SCA
ICl
IC
CUSTOM
CHIP
IC3
JLP04364G-1
5L
MAIN
RAM
64KBIT
STATIC
RAM
r-------------------- -
Z80A
CENTRAL
PROCESSING
UNIT
lf
ADDRESS
BUS
~
I
II
-
DATA
BUS
~~~:============-=~==j
VIDEO.
I==========::='J
.~
I I
DISPLAY
CONTROL
BUS
~;=========~-=~
PROCESSOR
I================:J
CCLK
3.
5795MHz
IC2
HM65256BLFP-12
VRAM
256KBIT
PSUEOO
STATIC
RAM
-----------------------------------------,
,.---------.
AC2
0 0 V
.----------..
BACK
LIGHT
30KHz
DC-AC
FOR
CD
CONVERTER
L
(INVERTER
C I
RCUI
Tl
+5V
DC-DC
CONVERTER
BOARD
CONTROL
MAIN
CLOCK
I C
VS
CONN
+SV
+5V
1
DC-DC
EXTERNAL
•
AC
ADAPTOR
BUS
E
0
VCLK
10.
738MHz
SOUND
ANALOG
DATA
BUS
32.
215905
MHZ
~m~
CONTROL
PAD
+
34
y
0
INTERNAL
6
AA
BATTERIES
CONVERTER
BATTERY
PACK
C
I
~
~
45P
CARTRIDGE
SLOT
CCLK
&
VCLK
CLOCK
ADDRESS
BUS
DATA
BUS
CONTROL
BUS
STANDARD
CELL
ARRAY
LCD
DRIVER
CONTROL
BUS
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I L
co
UN
I
T]
~~...,...-.,..,.,.-J
SOUND
ANALOG
DATA
+5V.
+34V
45P
CARTRIDGE
1------'
SLOT
0~20V
POWER
SUPPLY
+5V.
+34V
CIRCUIT
TO
~"-------'
LCD
DRIVER
+5V
SOUND
BOARD
GENERATER
I 0
SOUND
~~~~~~~~~~~~~~~~~~~
JOY
BUS
CONTROL
PAD
I/0
DATA
BUS
]
l.:================:j
t5NNEC
T
OF
~---------------------------------------------------------------------------------------------------------J
1
2
3 4
5
6
-7-
-8-
7
CAR
ADAPTOR
SPEAKER
0.
1
5W
8
OHM
(MONAURAU
B
A
8
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