Block Diagram - JVC KS-FX12 Service Manual

KS-F150
KS-FX12
TEA6320T (IC931) : E.volume
1.Terminal Layout
SDA 32
1
GND 31
2
OUTLR 30
3
OUTLF 29
4
TL 28
5
B2L 27
6
B1L 26
7
IVL 25
8
ILL 24
9
QSL 23
10
IDL 22
11
MUTE 21
12
ICL 20
13
CD-CH
IMD 19
14
IBL 18
15
TAPE
IAL 17
16
TUNER

2.Block Diagram

10 8
21
31
POWER
SUPPLY
2
19
16
15
13
11
SOURCE
SELECTOR
14
22
20
18
17
23 25
2-14
SCL
VCC
OUTRR
OUTRF
TR
B2R
B1R
IVR
ILR
QSR
IDR
Vref
ICR
CAP
IBR
IAR
9 7 6 5
VOLUME 1
BASS TREBLE
+20 to -31 dB
LEFT LEFT
LOUDNESS
+15 dB +12 dB
LEFT
LOGIC
VOLUME 1
BASS TREBLE
+20 to -31 dB
RIGHT RIGHT
LOUDNESS
+15 dB +12 dB
RIGHT
24 26 27 28
12
MUTE VOLUME 2
FUNCTION 0 to 55 dB
ZERO CROSS BALANCE
DETECTOR FENDER REAR
VOLUME 2
0 to 55 dB
BALANCE
FENDER FRONT
HC BUS
REC
VOLUME 2
0 to -55dB
BALANCE
FENDER FRONT
VOLUME 2
0 to -55dB
BALANCE
FENDER REAR
3
4
32
1
29
30