JVC ks-fx834r Service Manual page 23

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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
No.
TE
L 13942296513
Serial data input/output.
1
SDA I/O
Ground.
2 GND -
output left rear.
3 OUTLR O
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 -
Input B left source.
15
IBL I
www
Input A left source.
16
IAL I
.
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2.Block Diagram
10
SCL
32
VCC
31
21
OUTRR
30
POWER
31
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
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2 9
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
Symbol I/O
No.
Q Q
3 6 7 1 3 1 5
I
17
IAR Input A right source.
I
18
IBR Input B right source.
-
19
CAP Electronic filtering for supply.
I
20
ICR Input C right source.
-
21
Vref Reference voltage (0.5Vcc)
-
22
IDR Not used
O
23
QSR Output source selector right channel.
24 I
ILR Input loudness right channel.
25 I
IVR Input volume 1. right control part.
26 -
B1R Bass control capacitor right channel
Bass control capacitor right channel or
27 O
B2R
output to an external equalizer.
Treble control capacitor right channel or
28 I
TR
input from an external equalizer.
29 O Output right front.
OUTRF
30 O Output right rear.
OUTRR
31 - Supply voltage.
Vcc
32 I Serial clock input.
SCL co
.
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
0 5 8 2 9 9 4 2 8
m
KS-FX834R
9 9
3
4
32
1
29
30
9 9
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