Terminal Function - Denon AVR-1404 Service Manual

SN74LV4040 (IC831)
1 1 6
Q11
2 1 5
Q5
3
1 4
Q4
4 1 3
Q6
5
Q3
12
6 1 1
Q2
7
1 0
Q1
8 9
GND
Q
T F F 1
CP
Q
R
D
MR
Q0
KIA7805AP (IC104)
KIA7815AP (IC101)
NJM7805FA (IC103,829)
NJM7812FA (IC602)
FRONT
VIEW

OPTICAL
INPUT
GP1FA502RZ (IC802)

IR SENSOR
NJL64H380A(RMC301)
TOP VIEW
PD

Terminal Function

V
CC
I N P U T S O U T P U T S
Q10
C P M R
Q9
L n o c h a n g e
Q7
L
c o u n t
Q8
H
X
MR
H = H I G H v o l t a g e l e v e l
CP
L = L O W v o l t a g e l e v e l
Q0
X = d o n ' t c a r e
= L O W - t o - H I G H c l o c k t r a n s i t i o n
= H I G H - t o - L O W c l o c k t r a n s i t i o n
Q Q
T F F 2 T F F 1 2
Q Q
R R
D D
Q1 Q11
NJM7915FA (IC102)
FRONT
VIEW
V
CC
V
OUT
GND
Head Amp Amp Limitter
B.P.F
ABLC
M62446FP (IC231)
OUT4
OUT3
OUT2
Q n
OUT1
AV
SWin
GNDS
L
SRin
SLin
GNDC
DNDR
GNDL
BYPASSR
BLPASSL
LTRE
LBASS3
LBASS2
LBASS1
MM74LCX574 (IC808,809)
1 20 V
OE
0 2 19 Q
D
1 3 18
D Q
2 4 17
D Q
3 5 16 Q
D
6 15 Q
4
D
7 14 Q
D 5
8 13 Q
D 6
7 9 12 Q
D
GND 10 11 CP
V
CC
22kohm
Comparator
V
OUT
Detector
GND
17
AVR-1404/484
1
2
OUTPUT
PORT volume
I/F
3
MCU
4
DD
5
volume
6
7
8 volume
9
10
volume
11
Cin
12
13
Rin
volume
14
Lin 15
16
volume
17
18
tone tone
19
20
21
MM74HCT244 (IC828,830)
1
1G
CC
2
0 0
1A
0 3
2Y
1
1 4
1A
2
5
1
2Y
3
6
2
4 1A
2 7
2Y
5
3 8
6 1A
2Y 3 9
7
10
GND

IC PROTECTOR
ICP-N15 (IC105)
FRONT VIEW

POSISTOR
P43T7D330BW16
FRONT VIEW
17
42 DD
DV
41
CLK
40
DATA
39 LATCH
38 DGND
37
AGND
36 OUT
SW
35 OUT
SR
34 OUT
SL
33 OUT
C
32 OUT
R
31 L OUT
30 AV SS
29
CL1
28 CL2
CR1
27
26 CR2
25
RTRE
24
RBASS3
23
RBASS2
22
RBASS1
20
V
CC
19
2G
0
18 1Y
17 0
2A
16 1
1Y
15 1
2A
14 2
1Y
13 2
2A
12 1Y 3
11 3
2A