IC505:
TC74HC4051AFEL (FUNCTION (1) P.C.B.)
8-channel analog multiplexer/demultiplexer
Logic
Level
Converter
OUT
C IN
OUT
C IN
A
B
C
INH
COM
0
1
2
3
4
5
6
7
Pin
No.
Port Name
Function Name
(P.C.B.)
I/O
Detail of Function
1
4
I_LRBAL
I
L/R balance adjustment
2
6
I_BAS
I
EQ of BASS
3
COM
EXAD
O
COM output terminal
4
7
I_TRE
I
EQ of Treble
5
5
I_VOL
I
Volume operation
6
INH
MG
7
VEE
MG
8
GND
MG
9
C
4051C
I
Channel Selection
10 B
4051B
I
Channel Selection
11 A
4051A
I
Channel Selection
12 3
I_CNTR
I
Center value of BAS/TRE/BAL
13 0
I_ISEL
I+
Input Selector Rotary switch
14 1
I_SPAB
I+
SP changing Rotary switch OFF/A/B/A+B
15 2
I_HPTRIM
I+
Rotary switch (-6/0/6/12) of Headphone trim
16 VCC
+5S
40
A-S3000
A
-S30
0
0
Summary of Contents for A-S3000
Page 3: ... FRONT PANELS U K A B G L V J models T model 3 A S3000 A S3000 ...
Page 4: ... REAR PANELS U model K model T model 4 A S3000 A S3000 ...
Page 5: ...A model B G models L model 5 A S3000 A S3000 ...
Page 6: ...V model J model 6 A S3000 A S3000 ...
Page 100: ...MEMO 101 A S3000 A S3000 101 ...
Page 101: ...A S3000 ...
