74Lvx157Mtc (Ic816); Ba4510F (Ic815A,816A); Bu4094Bcf (Ic551,552); Mm74Hct244 (Ic812) - Denon AVR-1707 Service Manual
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Also See for AVR-1707:
- Service manual (131 pages) ,
- Operating instructions manual (71 pages) ,
- Brochure & specs (2 pages)
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BA7626 (IC1004,1016,1019 : for AVR1707/687 model)
(IC652,653 : for AVR1507/487 model)
BA7625 (IC651 : for AVR1507/487 model)
A
B
L
L
H
L
L
H
H
H
H
H
Note 1: * mark means that feasible for either H or L.
Note 2: Each input terminal is provided with sink chip clamp (BA7625).
Each input terminal takes 20kohm at the end (BA7626).
74LVX157MTC (IC816)
SE LECT
1
SEL
1A
2
3
1B
1Y
4
5
5
2A
2B
6
7
2Y
8
GND
MM74HCT244 (IC812)
1
20
1G
2
19
0
1A
3
18
0
2Y
4
17
1
1A
5
16
1
2Y
2
6
15
1A
2
2Y
7
14
3
8
13
1A
3
2Y
9
12
10
11
GND
Monitor OUT
1
GND
2
IN5
3
GND
4
IN4
5
CTL E
6
IN3
7
CTL D
8
MONITOR OUT
E
C
*
IN 1
L
*
IN 2
H
*
IN 3
L
L
IN 4
H
H
IN 5
H
BA4510F (IC815A,816A)
16
Vcc
OUT1
1
15
ST
14
4A
– IN1
2
13
4B
12
4Y
+ IN1
3
11
3A
10
3B
V
4
EE
9
3Y
FAN1117-1.2 (IC824)
RC1117-33 (IC823)
V
CC
2G
0
1Y
0
2A
V
OUT
1
1Y
1
2A
2
1Y
2
2A
3
1Y
2A
3
16
IN1
CTL A
15
6dB
14
V OUT1
LOGIC
13
Vcc
12
IN2
6dB
11
CTL B
LOGIC
10
V OUT2
9
CTL C
D
E
V OUT 1
L
*
L
*
IN 2
H
*
IN 3
H
L
IN 4
H
H
IN 5
8
V
CC
7
OUT2
1ch
+
–
2ch
+
6
– IN2
–
5
+ IN2
FRONT VIEW
3
IN
2
2
OUT
1
ADJ/GND
21
AVR-1707/1507/687/587/487
C
D
E
V OUT 2
L
L
*
IN 1
H
L
*
L
H
*
IN 3
H
H
L
IN 4
H
H
H
IN 5
BU4094BCF (IC551,552)
1
STROBE
SERIAL
2
IN
3
CLOCK
4
Q
1
Q
5
2
6
Q
3
Q
7
4
8
V
SS
16
V
DD
OUTPUT
15
ENABLE
14
Q
5
13
Q
6
12
Q
7
11
Q
8
10
Q'
S
9
Q
S
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