Onkyo R-805TX, Руководство по обслуживанию

Страница: 8 / 19

BASS+
BASS-
COM
TREBLE-
V
SS
V
DD
GND CK DATA STB
BASS+
BASS-
COM
TREBLE-
L
A
D
D
E
R
R
E
S
IS
T
O
R
A
N
A
L
O
G
S
W
IT
C
H
1
3
b
it
L
A
T
C
H
C
IR
C
U
IT
L
A
D
D
E
R
R
E
S
IS
T
O
R
A
N
A
L
O
G
S
W
IT
C
H
L
A
D
D
E
R
R
E
S
IS
T
O
R
A
N
A
L
O
G
S
W
IT
C
H
1
3
b
it
L
A
T
C
H
C
IR
C
U
IT
L
A
D
D
E
R
R
E
S
IS
T
O
R
A
N
A
L
O
G
S
W
IT
C
H
2
0
b
it
S
H
IF
T
R
E
G
IS
T
E
R
C
IR
C
U
IT
LEVEL SHIFT
C
O
D
E
D
E
T
E
C
T
IN
G
C
IR
C
U
IT
1 16 7 8 9 10
2
3
4
5
6
15
14
13
12
11
TC9184AP(ELECTRONIC TONE CONTROL)
Pin No. Symbol Function
1 VSS
16 VDD
2/15 BASS+
3/14 BASS-
5/12 TREBLE-
6/11
4/13 COM
7 GND Ground terminal (Digital section)
Clock input terminal.
Clock input receiving data from DATA terminal
Data input terminal.
Input 20bit tone control data by synchronizing to the rise of
CK signals.
Strobe input terminal.
The tone control data received from DATA and CK terminals
are transferred into IC buy turning this terminal to "H" level.
Previous data are kept stored so long as "H" level in not
applied to this terminal.
10
CK
DATA
STB
Volume terminal
Power supply voltage terminals (Analog section)
8
9
S1
S2
S3
S4
S5
S6
S7
S8
S9
S10
S11
S1
S2
S3
S4
S5
S6
S7
S8
S9
S10
S11
V
SS
V
DD
GND CK DATA STB
LEVEL SHIFT REGISTER
CIRCUIT
(R-ch)
10bit
Latch
Circuit
(Same
as L-ch
Circuit)
(L-ch)
10bit
Latch
Circuit
2
3
4
5
6
7
8
9
10
11
12
27
26
25
24
23
22
21
20
19
18
17
13 14 15 16
1
28
TC9273N-10 (Analog Switch Array)
IC BLOCK DIAGRAMS AND DESCRIPTIONS
Pin No. Symbol Description
1 Vss Negative power supply pin
13 GND Digital ground pin
28 VDD Positive power supply pin
2/27 S1
3/26 S2
4/25 S3
5/24 S4
6/23 S5
7/22 S6
8/21 S7
9/20 S8
10/19 S9
11/18 S10
12/17 S11
14 CK Clock input pin for data transfer.
15 DATA Serial data input pin for setting switches.
16 STB Strobe input pin for data writing.
Input/Output pins
R-805TX