JVC KD-SX60WT Service Manual page 30

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3 7 63 1515 0
6.4 TEA6320T-X (IC301) : E.volume
• 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
• Block diagram
21
31
2
19
16
15
13
TE
11
L 13942296513
14
22
20
18
17
• Pin functions
Pin
Symbol I/O
No.
1 SDA I/O Serial data input/output.
2 GND - Ground.
3 OUTLR O output left rear.
4 OUTLF O output left front.
5 TL I Treble control capacitor left channel
or input from an external equalizer.
6 B2L - Bass control capacitor left channel or
output to an external equalizer.
7 B1L - Bass control capacitor left channel.
8 IVL I Input volume 1. left control part.
9 ILL I Input loudness. left control part.
10 QSL O Output source selector. left channel.
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11 IDL - Not used
12 MUTE - Not used
13 ICL I Input C left source.
.
14 IMO - Not used
15 IBL I Input B left source.
16 IAL I Input A left source.
1-30 (No.49868)
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SCL
32
31 VCC
OUTRR
30
OUTRF
29
28 TR
B2R
27
B1R
26
25 IVR
ILR
24
QSR
23
22 IDR
Vref
21
ICR
20
CAP
19
IBR
18
IAR
17
10 8 9 7 6
POWER
SUPPLY
VOLUME 1
BASS
+20 to -31 dB
LEFT
LOUDNESS
+15 dB
LEFT
LOGIC
SOURCE
SELECTOR
VOLUME 1
BASS
+20 to -31 dB
RIGHT
LOUDNESS
+15 dB
RIGHT
23 25 24 26 27
Functions
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y
i
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8
5 12
MUTE
FUNCTION
ZERO CROSS
DETECTOR
TREBLE
LEFT
+12 dB
Q Q
3 6 7 1 3
TREBLE
RIGHT
+12 dB
28
Pin
Symbol I/O
No.
17 IAR
18 IBR
19 CAP
20 ICR
21 Vref
22 IDR
23 QSR
24 ILR
25 IVR
26 B1R
27 B2R
28 TR
u163
29 OUTRF
.
30 OUTRR
31 Vcc
32 SCL
2 9 9 4 2 8
VOLUME 2
0 to 55 dB
3
BALANCE
FENDER REAR
VOLUME 2
0 to 55 dB
4
BALANCE
FENDER FRONT
32
HC BUS
REC
1
1 5 0 5 8 2 9 9 4
VOLUME 2
0 to -55dB
29
BALANCE
FENDER FRONT
VOLUME 2
30
0 to -55dB
BALANCE
FENDER REAR
Functions
I Input A right source.
I Input B right source.
- Electronic filtering for supply.
I Input C right source.
- Reference voltage (0.5Vcc)
- Not used
O Output source selector right channel.
I Input loudness right channel.
I Input volume 1. right control part.
- Bass control capacitor right channel
O Bass control capacitor right channel
m
or output to an external equalizer.
I Treble control capacitor right channel
co
or input from an external equalizer.
O Output right front.
O Output right rear.
- Supply voltage.
I Serial clock input.
9 9
2 8 9 9