A
1
2
3
4
5
6
8
RX-V320
B
C
D
E
G
H
I
J
K
L
7
59
■
SCHEMATIC DIAGRAM [MAIN]
REAR L
MAIN L
MAIN L
CENTER
–1.1
–0.4
48.0
0.5
1.0
1.0
-0.5
-0.5
0
0
0
47.9
0
47.9
48.0
0
0
-48.1
-48.1
-1.1
48.0
0
0.5
–1.1
–0.4
48.0
0.5
1.0
1.0
-0.5
-0.5
0
0
0
47.9
0
0
-48.1
-48.1
-1.1
48.0
0
0.5
–1.1
–0.4
48.0
0.5
1.0
1.0
-0.5
-0.5
0
0
0
47.9
0
0
-48.1
-1.1
48.0
0
0.5
-0.5
-0.5
0
0
0
26.8
26.8
13.4
1.1
0.2
0.2
0.2
0
0
0
1.1
0.7
0
47.9
0
0
-48.1
-48.1
-1.0
48.0
0
0.5
–1.1
–0.4
48.0
0.5
1.0
1.0
-0.5
-0.5
0
0
0
47.9
0
0
-48.1
-48.1
-1.1
48.0
0
0.5
13.4
0.2
0.1
0.2
0.2
-29.2
0.6
0.7
0
-29.9
0.6
13.2
26.5
0
-29.9
-36.8
0.1
0
0
0.2
0.2
0
0.2
0
0
AC12.1V
AC73.7V
AC57V
0
0
0
-47.3
35.7
35.7
AC73.7V
(AC57V)
10.4
10.4
5.2
0
5.2
0(0)
-48.1(-36.8)
0(0)
47.9
(36.8)
9.5
9.5
9.0
9.0
0
0
0
0
0.7
MAIN POWER AMP
SUB POWER SUPLLY
REAR POWER AMP
CENTER POWER AMP
SPEAKER
RELAY
DRIVE
W503
B
A
SPEAKERS
PHONES
W806
W381
W202
REAR
(SURROUND)
CENTER
R
L
SPEAKERS
MAIN
A
R
L
B
R
L
IMPEDANCE SELECTOR
★
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.
Conditions
• INPUT
→
CD
• VOLUME
→
minimum(–
∞
)
• IMPEDANCE
SELECTOR
→
Left
• PRO LOGIC
→
On
PIN CONNECTION
DIAGRAM OF DIODES,
TRANSISTORS AND IC’s.
2SC1740S (R,S)
1T2
1SS133
1SS176
HSS104
1SS270A
HZS5B2TD
Anode
Cathode
HZS11B2TD
HZS12B2TD
HZS302TD
E
C
B
2SA970 (GR,BL)
2SA1015(Y)
2SC1890A(D,E)
2SC2240 (GR,BL)
E
C
B
2SA1708(S,T)
2SC4488(S,T)
E
C
B
2SD2396(J,K)
2SA1695(O,P,Y)
2SC4468(O,P,Y)
S1NB20
D5SB20
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
