A
1
2
3
4
5
6
8
DSP-A5
B C D E F G H I J KL
7
E-51/J-49
■ SCHEMATIC DIAGRAM [DSP]
★
All voltages are measured with a 10M
Ω
/V DC electric volt meter.
★
Components having special characteristics are marked and
must be replaced with parts having specifications equal to those
originally installed.
★
Schematic diagram is subject to change without notice.
FRONT L
REAR L
DIGITAL
IN
MAIN L
(DSP)
MAIN
L
CENTER
LFE
5
6
4.7
2.4
2.4
2.4
0
0
3.2
0
0
0
4.6
0
4.7
0
0
0
0
0
2.4
2.4
2.4
2.4
4.8
4.8
4.8
4.8
2.4 4.8
4.8
4.8
4.8
2.4
2.4
2.4
4.8
4.8
0
2.3
0
4.8
2.4
4. 8
0
2.4
2.3
0
0
4.8
0
0
0
0
0.1
0
0
0
4.8
4.8
4.8
0. 1
4.8
0
0
0
00
0
0
2.2
0
4.8
0
0
0
4.8
4.6
0
0
4.7
2.4
0
4.8
2.4
2.3
2.4
0
4.8
0
0
3. 1
4. 8
3 .2
2 .4
0
0
0
2 .4
0 .7
4 .6
0 .2
0
3 .2
0
0
0
3 .2
4 .7
0
4 .7
4 .7
0
0
2.4
2.4
0
3.2
0
0
0
2.4
2.4
11.9
0
0
0
0
0
11.9
0
–11.5
0
0
00
0
11.9
0
0
0
0
0
0
0
0
11.9
–11.5
0
0
0
0
–10.9
–10.9
0
0
0
0
0
0
11.9
–11.5
0
0
0
0
–10.9
–10.9
0
0
–10.9
0
0
–10.9
0
–11.5
0
0
0
0
0
0
00
0
0
0
–11.0
–11.0
–11.0
–10.9
–11.5
0
2.4
2.4
2.4
2.4
2.4
2.4
2.4
4.7
–11.0
–11.0
4.8
0.2
0
0.5
0.50.5
0
0
0
4.8
4.8
0.5
0
0.5
0.2
0.5
0.54.8
0.50
4.8
0
0
0
0.2
–11.0
0
2.4
2.4
2.3
0
4.8
0
2.3
4.7
2.4
2.4
0
0
4.8
0
2.3
0
4.8
0
2.4
2.4
0
2.4
2.3
0
0
4.7
4.7
0
0
0
3 .2
0
1 .1
3 .2
0
2 .4
0
0
0
4 .7
0
0
2.4
2.4
2.4
4.6
4.7
2.4
4.7
3.3
0
4.8
0.2
0
0
0.7
2.4
4.7
0
4.8
4.8
0.1
0.3
4.8
2.4
4.9
2.4
0
~
~
~
~
~
~
~
~
~
~
~
~
~
~
~
~
~
~
~
~
~
~
~
~
~
~
~
~
~
~
~
~
~
~
~
~
2.4
~
~
~
~
L.P.F
A/D,D/A
CONVERTER
(CODEC.
ADC/DAC)
DSP AMP
D/A CONVERTER
(DAC)
MUTE
DRIVE
STATIC RAM(1M SRAM)
+3.3V
REGULATOR
DSP + AC-3/PRO-LOGIC/DTS
DECODER
(AC3D2av)
DIGITAL FORMAT INTERFACE RECEIVER
(DIR5)
MUTING
MUTING
TO INPUT(4) #1
page E-49/J-47
E-4
1
3
2
4
7
10
14
11
12
9
8
13
7
8
3
1
2
5
6
4
5
6
TO INPUT(1) #3 page E-48/J-46
G-8
TO INPUT(1) #6
page E-48/J-46
6
8
4
5
7
6
8
5
7
3
2
1
4
3
2
1
D-1
AK4324-VF-E2
2V
SAMPLE 50ns
0V
Point
6
Pin 39 of IC6
V : 2V/div H : 50nsec/div
DC range 1 : 1 probe
IC1 : NJM2904M
IC8~13 : uPC4570G2
Dual OP-Amp
A OUT
A –IN
A +IN
V–
V+
B OUT
B –IN
B +IN
IC2 : HD74HC02FPEL
Quad 2-Input NOR
1B
1A
1Y
2Y
2A
2B
GND
Vcc
4A
4B
4Y
3Y
3B
3A
1234567
14 13 12 11 10 9 8
2V
SAMPLE 50ns
0V
Point
5
Pin 9 of IC3
V : 2V/div H : 50nsec/div
DC range 1 : 1 probe
1
30
31
5051
80
81
100
Conditions (DSP-A5)
• INPUT → CD
• VOLUME → minimum(–∞)
• IMPEDANCE
SELECTOR → Left
• PRO LOGIC → On
•
IC3: YSD917→See page 23(EX), 21(J)
•
IC4: YSS918D-F→See page 24~26(EX), 22~24(J)
•
IC5: IS61C1024-20J→See page 27(EX), 25(J)
•
IC6: AK4526A-VQ→See page 28(EX), 26(J)
•
IC7: AK4324-VF-E2→See page 27(EX), 25(J)
PIN CONNECTION DIAGRAM OF DIODES, TRANSISTORS AND IC’s.
IS61C1024-20J
YSD917
AK4324-VF-E2
1SS355
AK4526A-VQ
YSS918D-F
NJM2904M
uPC4570G2
UPC29M33T-E1
HD74HC02FPEL
2SC3326(A,B)
DTA144EKA
DTC144EKA
Anode
Cathode
12
13
24
23 22
12
11
1
23
34
33
14
15
28
w
w
w
.
x
i
a
o
y
u
1
6
3
.
c
o
m
Q
Q
3
7
6
3
1
5
1
5
0
9
9
2
8
9
4
2
9
8
T
E
L
1
3
9
4
2
2
9
6
5
1
3
9
9
2
8
9
4
2
9
8
0
5
1
5
1
3
6
7
3
Q
Q
TEL 13942296513 QQ 376315150 892498299
TEL 13942296513 QQ 376315150 892498299
http://www.xiaoyu163.com
http://www.xiaoyu163.com
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