JVC KS-FX901 Service Manual page 25

QQ
3 7 63 1515 0
TEA6320T-X (IC161) : E.volume
1.Pin layout
SDA
1
GND
2
OUTLR
3
OUTLF
4
TL
5
B2L
6
B1L
7
IVL
8
ILL
9
QSL
10
IDL
11
MUTE
12
ICL
13
CD-CH
IMD
14
IBL
15
TAPE
IAL
16
TUNER
3.Pin functions
Pin
Symbol I/O
TE
No. L 13942296513
Serial data input/output.
1 SDA I/O
Ground.
2 GND -
output left rear.
3 O
OUTLR
output left front.
4
OUTLF O
Treble control capacitor left channel or
5
TL I
input from an external equalizer.
Bass control capacitor left channel or
6
B2L -
output to an external equalizer.
Bass control capacitor left channel.
7
B1L -
Input volume 1. left control part.
8
IVL I
Input loudness. left control part.
9
ILL I
Output source selector. left channel.
10
QSL O
Not used
11
IDL -
Not used
12
MUTE -
Input C left source.
13
ICL I
Not used
14
IMO -
www
Input B left source.
15
IBL I
Input A left source.
16 IAL I
.
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2.Block diagram
10
SCL
32
VCC
31
21
OUTRR
30
31 POWER
OUTRF
29
SUPPLY
2
TR
28
19
B2R
27
B1R
26
IVR
25
16
ILR
24
15
QSR
23
13
IDR
22 11
SOURCE
Vref
21
SELECTOR
14
ICR
20
22
CAP
19
20
IBR
18
18
IAR
17
17
23
Functions
x ao
y
i
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8
8 9 7 6
VOLUME 1
BASS
+20 to -31 dB
LEFT
LOUDNESS
+15 dB
LEFT
LOGIC
VOLUME 1
BASS
+20 to -31 dB
RIGHT
LOUDNESS
+15 dB
RIGHT
25 24 26 27
Pin
Q Q
Symbol I/O
No. 3 6 7 1 3
17 I
IAR
18 I
IBR
19 -
CAP
20 I
ICR
21 -
Vref
22 -
IDR
23 O
QSR
24 I
ILR
25 I
IVR
26 -
B1R
O
27
B2R
I
28
TR
O
29
OUTRF
O
30
OUTRR
-
31
Vcc
u163
I
32
SCL
.
KS-FX901/KS-FX801
2 9 9 4 2 8
5
12
VOLUME 2
MUTE
0 to 55 dB
FUNCTION
BALANCE
ZERO CROSS
FENDER REAR
DETECTOR
TREBLE
VOLUME 2
LEFT
0 to 55 dB
+12 dB
BALANCE
FENDER FRONT
HC BUS
REC
VOLUME 2
0 to -55dB
TREBLE
BALANCE
RIGHT
FENDER FRONT
+12 dB
VOLUME 2
0 to -55dB
BALANCE
FENDER REAR
28
Functions
1 5 0 5 8 2 9 9 4
Input A right source.
Input B right source.
Electronic filtering for supply.
Input C right source.
Reference voltage (0.5Vcc)
Not used
Output source selector right channel.
Input loudness right channel.
Input volume 1. right control part.
Bass control capacitor right channel
Bass control capacitor right channel or
output to an external equalizer.
Treble control capacitor right channel or
input from an external equalizer.
Output right front.
Output right rear.
m
Supply voltage.
co
Serial clock input.
9 9
3
4
32
1
29
30
2 8 9 9
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