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pin140 Memo Addrss 8 : O : Address output to Memory IC.
pin141 : Memo Addrss 9 : O : Address output to Memory IC.
pin142 : VDD
: - : Positive supply voltage.
pin143 : Memo Addrss 21: O : Control signal output for Memory IC.
pin144 : VSS
: - : Negative supply voltage.
051-6919-08
NJU6391PE
XT
3
XT
2
CONT
1
051-7280-38
TC7SU04FU
NC
1
IN
2
GND
3
BLOCK DIAGRAM
CD
mechanism
section: 929-0301-83
CD Mecha.
J2 10pin
IC101
DRIVER
FAN8047G3
Q1
Transistor
5V
3.3V
IC2
Regulator
3.3V 1.6V
DXZ558RMP
Quarts Crystal Oscillator
8
VDD
7
N.C.
6
N.C.
ON=H
5
OUT
4
VSS
Single Inverter
5
VCC
4
OUT
MP3&WMA Encoded disc/CD-DA disc
(CD-ROM ISO9660)
P/U CP-51
J1 15pin
3.3V
IC102
CD DSP
DAC
TC94A15F
(Digital servo)
(DF/DAC)
ACC8V
J3 20pin
ACC5V
051-7518-18
SN74LVC139APWR
1 G_
1 A
1 B
1 Y 0_
1 Y 1_
1 Y 2_
1 Y 3_
GND
Truth Table
G_
B
A
don't
don't
H
care
care
L
L
L
L
L
H
L
H
L
L
H
H
3.3V(I/O)
1.6V(Core)
IC6
DSP
TMS320DA140
(CD-ROM I/F)
(ECC)
(MPEG audio decode)
(WMA decode)
(CD-DA ESP)
IC3
LOGIC
SN74HCT08
- -
8
Dual 2-line to 4-line Decoders/Demultiplexers
1
16
VCC
2
15
2 G_
3
14
2 A
4
13
2 B
5
12
2 Y 0_
6
11
2 Y 1_
7
10
2 Y 2_
8
9
2 Y 3_
Y 0_
Y 1_
Y 2_
H
H
L
H
H
L
H
H
H
H
IC1
IC10
LOGIC
FLASH ROM
SN74LVC139
MBM29DL800BA
(8Mbit)
Y 3_
H
H
H
H
H
H
L
H
H
L
3.3V
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