VR-4080-B/4090-B/4700/4900
11
CIRCUIT DESCRIPTION
CHIP SELECT CODE
OUTPUT PORT
CHANNEL
CS1(9Pin)
CS2(16Pin)
L
L
Lch
Room A Rch
Rch
Room A Lch
H
L
Lch
Room A RSch/Sp. B Rch
Rch
Room A LSch/Sp. B Lch
L
H
Lch
Room A SWch
Rch
Room A Cch
H
H
Lch
Room B Rch
Rch
Room B Lch
L1
R1
Room B
L2
R2
VIDEO1
L3
R3
Room B
L4
R4
VIDEO2
L5
R5
Room B
L6
R6
VIDEO3
L7
R7
Room B
L8
R8
VIDEO4
Room B
DVD
Room B
TAPE1/MD
L1
R1
Room B
L2
R2
CD2/TAPE2 MONITOR
L3
R3
Room B
L4
R4
CD1
L5
R5
Room B
L6
R6
CD-R
L7
R7
Room B
TUNER
L1
R1
L2
R2
L3
R3
L4
R4
L5
R5
L6
R6
L7
R7
L8
R8
21
10
20
11
24
7
23
8
27
4
25
6
29
2
28
3
X11,IC5
Pin No.
Pin No.
22
9
20
11
25
6
23
8
28
3
26
5
X11,IC3
Pin No.
Pin No.
29
2
7
8
10
11
2
3
4
5
29
28
27
26
24
23
21
20
Pin No.
Pin No.
X11,IC1
UNUSED ROOM B OR SP. B OFF
NJU7312
TEST TONE
(SP. B ON)ROOM B MODE
X11 IC5 VTS ST3
L 1
L 2
L 3
L 4
L 5
L 6
L 7
L 8
R 1
R 2
R 3
R 4
R 5
R 6
R 7
R 8
5-11 ROOM B IC
5-12 Volume IC : TC9459F(X11,IC301-304)
X13, IC23
X08, IC40
Sub u-com
uPD784036
Main u-com
X08, IC4
A/D
A/D
X08, IC25
DIR
(A K 4112)
X08, IC5-7
X08, IC21
DSP
X25, IC11
X13, IC55
Digital
Selector
X13(IC1,2,4,5,
7-10)
Video Selector
6. Sub Microprocessor : uPD784036(X08,IC40)
6-1 Sub Microprocessor Periphery Block Diagram
