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RX-504VBK/RX-504VLBK
RX-505VTN/RX-505VLTN
W@ 1C7522(1C504) : Variable Resistor for SEA Control
1. Terminal
Layout
2. Block Diagram
ELECTRIC VARIABLE
RESISTOR NET WORK
ELECTRIC VARIABLE
RESISTOR NET WORK
Vpp
GND
Vs5
Vee
Functions
Power supply +7V for audio signal
Ground.
Power supply -7V for audio signal.
Power supply +5V
15
2,27
IN 1
Audio signal input
3, 26
IN2
The inversion signal of the operational amplifier inputs to IN 1 normally.
The non-inversion signal of the operational amplifier inputs to IN 2 normally.
DATA2
| Data input from the CPU.
Schmitt inverter type
CLK2
Clock signal input from the CPU.
Schmitt inverter type
4~10
f1~f7
For connect to band-pass filter. f1~f7x2 (Left and Right)
19~25
11.
TEST 1
Non connection
12
TEST 2
Non connection
28
Non connection
M LA36075 (1C501,502) :$.E.A. Graphic
Equalizer
1.
Functions
It makes inductive characteristic instead of coil.
Vs;
GND
Vpp OUT
NF
IN
NF7 BASE7 NF6 BASEG6
a:
a |B
2. Block Diagram
wre
-------]
\ /
Neue
"E)
7
BASE1 NF1 BASE2 NF2 BASE3 NF3 BASE4 NF4 BASE5 NFS
potter
ctr
nnn
(No.20220) 1-} 1
:
I
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