Denon AVR-883, Руководство по обслуживанию

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17
AVR-1803/883
BU2090F (IC302, 602)
MM74LCX244 (IC809~811)
TDA7330BD (IC202)
TOP VIEW
POR MUXIN
TM V
REF
FSEL COMP
T2 FILOUT
V
CC
GND
ARI T1
QUAL T3
RDDA T4
RDCL OSCOUT
T57 OSCIN
1
2
3
4
5
6
7
8
9
10
20
19
18
17
16
15
14
13
12
11
1
2
3
4
5
6
7
8
20
19
18
16
15
14
13
I3
VCC
OE2
O2
I5
O0
I4
O1
I6
OE
I0
O4
I1
O5
I2
O6
9 12
O7 O3
10 11
GND I7
TOP VIEW
17
1
2
3
4
5
6
7
8
18
17
16
15
14
13
12
11 Q3
VDD
OE
Q7
Q8
Q11
Q10
Q9
Q6
VSS
DATA
CLOCK
LCK
Q0
Q1
Q2
9 10 Q4
Q5
CONTROL CIRCUIT
12-bit SHIFT REGISTER
12-bit STRAGE REGISTER
OUTPUT BUFFER (OPEN DRAIN)
64
49
48 33
32
17
16 1
AM
1
AM
2
AM
3
AM
4
AM
5
AM
6
AM
7
AM
8
AM
9
AM 10 AM 11 AM 12 AM 13 AM 14 AM 15 AM 16
AM 17
AM 18
AM 19
AM 20
AM 21
AM 22
AM 23
AM 24
AM 25
AM 26
AM 27
AM 28
AM 29
AM 30
AM 31
AM 32
G7 G8 G9 G1
0
G1
1
AA8
/G
1
2
AA7
/G
1
3
AA6
/G
1
4
AA5
/G
1
5
AA4
/G
1
6
AA3 AA2 AA1 AM3
5
AM3
4
AM3
3
DI
CL
CE
RES
V
DD
OSCI
OSCO
Vss
TEST
V
FL
G1
G2
G3
G4
G5
G6
LC75721E (IC301)
V
DD
V
SS
V
FL
DI
CL
CE
DI: Data
CL: Clock
CE: Chip enable
OSCI
OSCO
RES
AM1~AM35
AA1~AA3
AA4/G16
AA5/G15
AA6/G14
AA7/G13
AA8/G12
G1~G11
TEST
Symbol
LC75721E Terminal Function
Power te5V
Power terminal GND
Power terminal FL drive
Serial data transfer terminal
External CR connecting terminal
System reset terminal
Anode output terminal
Anode/Grid output terminal
Grid output terminal
LSI test terminal
Function
MM74LCX02 (IC813)
1Y
1A
1B
2Y
2A
2B
GND
1
2
3
4
5
6
7
14
13
12
11
10
9
8
Vcc
4Y
4B
4A
3Y
3B
3A
1A
1B
1Y
2A
2B
2Y
1
2
3
4
5
6
7
14
13
12
11
10
9
8
Vcc
4B
4A
4Y
3B
3A
3Y
GND
1
2
3
4
5
6
7
14
13
12
11
10
9
8
1A
1Y
2A
2Y
3A
3Y
GND
Vcc
6A
6Y
5A
5Y
4A
4Y
SN74LV00APW (IC814) 74HCU04 (IC803)
NJM2068MD
BA4510F
A OUTPUT
A –INPUT
A+INPUT
V
B OUTPUT
V
B –INPUT
B +INPUT
1
2
3
4 5
7
8
6
Pin Descriptions
Description Pin Names
D
1
, D
2
CP
1
, CP
2
CD
1,
CD
2
SD
1,
SD
2
Q
1,
Q
1,
Q
2,
Q
2
Data Inputs
Clock Pulse Inputs
Direct Set Inputs
Direct Clear Inputs
Outputs
KIA78R05PI (IC663)
4
3
2
1
Vin
Vo
Vadj
GND
Specific IC
1
2
3
4
GND Q
2
Q
1
Q
2
Q
1
SD
2
S
D1
CP
2
CP
1
D
2
D
1
C
D2
8
9
10
11
12
13
14
7
6
5
4
3
2
1 C
D1
V
CC
D
2
C
D2
S
D2
CP
2
Q
2
Q
2
74LCX74 (IC821)
CP
1
S
D1
C
D1
D
1
Q
1
Q
1
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