Denon AVR-2802 Service Manual page 21
Av surround receiver
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Also See for AVR-2802:
- Operating instructions manual (255 pages) ,
- Service manual (75 pages) ,
- Brochure & specs (2 pages)
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BU4094BCF (CO: IC304,305)
STROBE
16
VDD
1
DATA
15
OE
2
14
CLOCK
3
Q5
Q1
4
Q6
13
Q7
Q2
5
12
Q3
Q8
6
11
Q'
Q4
7
10
S
V
8
Q
9
SS
S
LC75721E (CO: IC101)
48
49
DI
CL
CE
RES
V
DD
OSCI
OSCO
Vss
TEST
V
FL
G1
G2
G3
G4
G5
G6
64
1
TC9274N-011 (AU: IC107)
41
35
34
32
31
40
39
38
37
36
33
18 bit Latch Circuit (Rch)
V
42
DD
(Lch) Same as Rch
V
SS
1
2
3
4
5
6
8
9 10 11 12 13 14 15 16 17 18 19
7
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CO: IC304
Port
Symbol
Q1
A
Q2
B
Q3
C
Q4
D
Q5
E
Q6
F
Q7
H
Q8
G
CO: IC305
Port
Symbol
Q1
DIRECT/TONE DEFEAT DIRECT & TONE DEFEAT relay control (H:DIRECT,TONE DEFEAT)
Q2
S1
Q3
S2
Q4
EXT. IN
Q5
D
Q6
G
Q7
NC
Q8
FRONT A+B
LC75721E Terminal Function
Symbol
Function
33
V
Power terminal +5V
DD
Vss
Power terminal GND
32
V
Power terminal FL drive
FL
AM 17
Serial data transfer terminal
AM 18
DI
AM 19
DI: Data
CL
AM 20
CL: Clock
AM 21
CE
CE: Chip enable
AM 22
AM 23
OSCI
AM 24
External CR connecting terminal
AM 25
OSCO
AM 26
AM 27
System reset terminal
RES
AM 28
AM1~AM35
AM 29
Anode output terminal
AM 30
AA1~AA3
AM 31
AM 32
AA4/G16
17
AA5/G15
AA6/G14
Anode/Grid output terminal
16
AA7/G13
AA8/G12
G1~G11
Grid output terminal
TEST
LSI test terminal
30
29
28
27
26
25
24
23
STB
22
DATA
21
CK
20
GND
Function
Video input switching
Video input switching
Video input switching
Video output switching
Video output switching
Video output switching
Video output switching
Video output switching
Function
Video signal switching control output
Video signal switching control output
Sub woofer channel gain control terminal (L:EXT. IN)
Video output switching
Video output switching
Current limiter control terminal (H:Front SP A+B)
BU2090F (CO: IC103)
Vss
1
DATA
2
CLOCK
3
LCK
4
Q0
5
Q1
6
Q2
7
Q3
8
Q4
9
TC9274N-017 (EX: IC312)
41
35
34
32
31
30
40
39
38
37
36
33
18 bit Latch Circuit (Rch)
V
42
DD
(Lch) Same as Rch
V
SS
1
2
3
4
5
6
8
9 10 11 12 13 14 15 16 17 18 19
7
AVR-2802/982
CONTROL CIRCUIT
18
V
DD
17
OE
12-bit SHIFT RESISTER
16
Q11
12-bit STRAGE RESISTER
15
Q10
14
Q9
OUTPUT BUFFER (OPEN DRAIN)
13
Q8
12
Q7
11
Q6
10
Q5
29
28
27
26
25
24
23
STB
22
DATA
21
CK
20
GND
21
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