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SN74LV4040 (IC831)
Q 1 1
1
1 6
V
C C
Q 5
2
1 5
Q 1 0
Q 4
3
1 4
Q 9
Q 6
4
1 3
Q 7
Q 8
Q 3
5
12
Q 2
6
1 1
M R
Q 1
7
1 0
C P
Q 0
G N D
8
9
Q
Q
T F F 1
T F F 2
C P
Q
Q
R
R
D
D
M R
Q 0
Q 1
TC9184AP (IC552)
BASS+
BASS-
8
COM
16
1
TREBLE-
TREBLE+
OPTICAL
INPUT
GP1FA502RZ (IC817)
IR SENSOR
NJL64H380A(RMC301)
FRONT VIEW
Terminal Function
I N P U T S
O U T P U T S
C P
M R
Q n
L
n o c h a n g e
L
c o u n t
H
X
L
H = H I G H v o l t a g e l e v e l
L = L O W
v o l t a g e l e v e l
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
T F F 1 2
Q
R
D
Q 1 1
1
16
7
8
9
Level shift
2
3
4
5
Code
detect
6
circuit
OUTPUT
GP1FA502TZ(IC801, 802, 803)
V
CC
V
OUT
GND
H e a d A m p
A m p
L i m i t t e r
PD
ABLC
KIA7805AP (IC104)
KIA7815AP (IC101)
NJM7805FA(S) (IC103, 829)
FRONT
VIEW
MM74LCX574
(IC808, 809)
1
20
OE
V
CC
0
0
2
19
Q
D
3
18
1
D
1
Q
4
17
2
D
2
Q
3
5
16
3
D
Q
4
4
6
15
Q
D
5
5
7
14
Q
D
6
6
8
13
Q
D
7
7
9
12
Q
D
GND
10
11
CP
10
BASS+
15
14
BASS-
13
COM
12
TREBLE-
11
TREBLE+
V
CC
DRIVE
Vin
IC
GND
V
CC
22kohm
C o m p a r a t o r
V
OUT
D e t e c t o r
B.P.F
GND
AVR-1802/882
NJM7915FA (IC102)
FRONT
VIEW
MM74HCT244
(IC828, 830)
1
20
V
1G
CC
2
19
2G
0
1A
3
18
0
0
1Y
2Y
4
17
0
1
2A
1A
5
16
1
1
1Y
2Y
6
15
1
2
2A
1A
2
7
14
2
2Y
1Y
8
13
2
3
2A
1A
3
9
12
1Y
3
2Y
10
11
3
2A
GND
IC PROTECTOR
ICP-N15 (IC105)
FRONT VIEW
POSISTOR
P43T7D330BW16
FRONT VIEW
12
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