A
1
2
3
4
5
6
7
8
RX-V320
B
C
D
E
G
H
I
J
K
58
■
SCHEMATIC DIAGRAM [OPERATION (2/2)]
★
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
IC301~303 : LA7956
Video Switch
DRIVER
VIDEO
OUT
1
A
2
B
3
VIN1
4
GND
5
VIN2
6
VCC
7
VIN3
8
VIN4
9
CONTROL
4-INPUT 1-OUTPUT
VIDEO SWITCH
6 dB
AMP
REAR
L
MAIN L
CENTER
3.8
11.7
4.9
0
3.
8
6.3
11.7
7.8
4.0
4 .6
11.0
11.0
0
-46.8
-47.7
-47.3
0
0.6
-46.1
0
0.6
0.6
-1.1
-46.1
0.6
0.6
-1.1
-46.0
-46.6
0
-46.0
0
0.6
0
-46.7
0.6
-1.1
-46.2
-46.9
0
-46.3
0.6
0
-46.8
0.6
-1.1
-46.4
-47.0
0
-46.4
0.6
0
-46.4
0.6
-1.1
-46.1
-46.9
0
0
13.6
36.8
13.6
-46.1
0.6
0
-47.1
-46.6
0
-46.1
-47.3
-46.7
-46.7
-47.3
0
0
3.8
~
~
~
~
3.8
11.7
4.9
0
3.
8
6.2
11.7
7.7
5.4
6.1
7.2
0
0
11.7
6.1
6.7
6.1
9.9
0
4.9
19.3
0
12.1
19.3
-29.0
-24.7
-24.7
24.3
28.5
-24.7
0
0
24.3
23.7
0
12.1
-19.8
0
-12.0
4.0
4 .6
11.0
11.0
0
3.8
11.7
4.9
0
3.
8
6.1
0
3.8
3.8
LIMITTER
REGULATOR
S VIDEO SELECTOR & AMP
VIDEO SELECTOR & AMP
MAIN POWER AMP
REAR POWER AMP
CENTER POWER AMP
VIDEO
SIGNAL
DVD/LD
SAT/D-TV
IN
OUT
MONITOR
OUT
VCR
DVD/LD
S VIDEO
VIDEO
IN
OUT
MONITOR
OUT
VCR
W101
#5
MTZJ20C
MTZJ24D
2SA1708(S,T)
2SC4488(S,T)
1SS133
1SS176
HSS104
HZS5B2TD
HZS6B2TD
2SB1565(E,F)
2SC4038(Q,R,S)
Anode
Cathode
2SA933S(Q,R)
2SC1740S (R,S)
DTC144ES
E
C
B
E
C
B
HZS7A2TD
HZS7B2TD
HZS242TD
NJM78M05FA
NJM7805FA
NJM7812FA
LA7956
2SC893A(D,E)
2SA1015(Y)
2SC1815(Y)
2SC1890A(D,E)
2SC2229(O,Y)
E
C
B
1.OUTPUT
2.COMMON
3.INPUT
NJM79M12FA
1.COMMON
2.INPUT
3.OUTPUT
PIN CONNECTION DIAGRAM OF DIODES, TRANSISTORS AND IC’s.
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