A
1
2
3
4
5
6
8
RX-V320
B C D E F G H I J KL
7
57
■ 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.
REAR L
DIGITAL
IN
CENTER
MAIN L
(DSP)
LFE
5
6
4.7
2.4
2.3
2.3
0
3.1
0
3.1
2.4
2.4
1.5
0
2.4
0.7
4.5
0.1
0
3.1
0
0
0
0
0
0
4.7
4.7
0
0
2.4
2.3
1.5
1.7
0
3.1
4.7
0
4.7
0
4.7
3.1
0
1.6
3.1
0
2.3
0
0
0
4.7
0
0.1
0.1
0.1
0
2.3
2.3
2.3
2.3
2.3
4.5
4.7
2.4
4.7
0.1
0
0.7
0.7
2.4
0.7
0
0.1
0
4.7
0.7
4.8
4.8
4.8
4.8
2.3
0.7
0
0.1
0
0.1
0.1
0.1
4.8
2.3
0
~
~
~
~
~
~
~
~
~
~
~
~
~
~
~
~
~
~
~
~
~
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
4.8
0
4.8
4.8
0.1
4.4
4.8 4.8
2.4
2.4
2.4
4.8
4.8
4.8
4.8
4.8
0
4.8
2.3
2.32.4
2.4
2.3
4.8
1.4
1.5
0
0
0
0
0
0
0
0
0
2.0
2.0
4.8
4.7
0
4.8
2.3
2.3
2.3
2.2
2. 4
2. 4
2. 4
2. 4
0
0
0
0
2.4
4.9
4.9
4.9
4.9
2.4
2.4
2.4
23.7
2.4
2.4
2.4
23.7
2.4
2.4
2.4
–24.1
2.4
2.4
2.4
-24.1
23.8
-0.1
-0.1
0
0
0
0
-24.1
23.8
-0.1
-0.1
0
0
0
0
-24.1
23.8
0
0
0
0
0
0
–24.1
2.4
2.4
2.4
1.7
0
0
0
0
4.8
0
4.7
2.4
2.4
2.3
0
0
2.4
2.4
2.4
1.4
1.5
2.4
2.4
0
0
0
4.8
0
0
2.4
2.4
2.4
4.8
0
0
0
0
3.3 4.8
~
A/D,D/A
CONVERTER
(CODEC.
ADC/DAC)
+3.3V
REGULATOR
L.P.F
DSP AMP
DSP + AC-3/PRO-LOGIC/DTS
DECODER
(AC3D2av)
STATIC RAM (1M SRAM)
DIGITAL FORMAT INTERFACE RECEIVER
(DIR2)
TO INPUT(3) #1
page 55
E-4
TO INPUT(1) #2
page 54
G-8
TO INPUT(1) #3
page 54
D-1
54
810
7
6
5
1
8
4
3
2
13
1
7
14
11
12
2
3
•
IC3: YM3436DK→See page 27
•
IC4: YSS918D-F→See page 28~30
•
IC5: M5M51288BKJ→See page 31
•
IC6: CS4227-KQ→See page 32
2V
SAMPLE 50ns
0V
Point y
Pin 28 of IC6
V : 2V/div H : 50nsec/div
DC range 1 : 1 probe
2V
SAMPLE 50ns
0V
Point t
Pin 13 of IC3
V : 2V/div H : 50nsec/div
DC range 1 : 1 probe
IC2 : HD74HC02FPEL
Quad 2-Input NOR
IC1 : NJM2904M
IC8~12 : M5220FP
Dual OP-Amp
1B
1A
1Y
2Y
2A
2B
GND
Vcc
4A
4B
4Y
3Y
3B
3A
1234567
14 13 12 11 10 9 8
–+
OUT1
–IN1
–VCC
+VCC
OUT2
1
2
3
4
5
+IN1 –IN2
+IN2
– +
6
7
8
Conditions
• INPUT → CD
• VOLUME → minimum(–∞)
• IMPEDANCE
SELECTOR → Left
• PRO LOGIC → On
PIN CONNECTION DIAGRAM OF DIODES, TRANSISTORS AND IC’s.
M5M51288BKJ-20LTEL
1SS355
YM3436DK
CS4227-KQ
YSS918D-F
NJM2904M
M5220FP
UPC29M33T-E1
HD74HC02FPEL
2SC3326(A,B)
DTA143EKA
Anode
Cathode
C
B
E
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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