Sharp CD-C482 Service Manual page 17

SCK
CLK
CLK2L/R
D3-GND
2 8 3
6 19 29 37 44 53 65 68 71
GND
ICA18
ZR38600
DOLBY AC-3 /5.1
MPEG2 AUDIO
DECORDER
VDD
4 78 5 48 6 12 17 30 35 45 55 59 67 70 81 84 93
90
+B13
WOOFER
34 82 87 89 80
CENTER
54
SUB
WOOFER
SUB
OUT
WOOFER
ON/OFF
SWITCHING
ICB01
NJM4580M
+B7
MIX AMP
OUT
8
L
1
7
R
4
–B12
SUB
FL/FR CENTER
OUT OUT
OUT
Figure 17 BLOCK DIAGRAM (3/5)
DEM0
DEM1
XT1
BICK
LRCK
FL/FR
IN
DEM0
DEM1
XT1
BICK
LRCK
CENTER
SUB
WOOFER
IN
QA01
QA02
5 6
12
QA03
13
SUB
4
WOOFER
2 1
OUT
8
9
11
10
7
14
A-GND
BU4066BCE
+B12 –B12
SUB
WOOFER
3
5
MIX FL/FR
IN
– 17 –
+B9
16
PD
20
6
22
12
13
2
5
14
7
15
9
24
FL
18
8
17
FR
OUT
1 3
10 11 21
A-GND
D3-GND
+B9
16
PD
20
6
22
12
13
2
5
14
7
15
9
24
CENTER
18
8
17 SUB
WOOFER
1 3
10 11 21
D3-GND A-GND
ICA21
NJM4580M
+B7
–15dB AMP
SUB
8
WOOFER
7 5
IN
4
–B12
ICA22
SWITCH
–B12 –B6
VOLTAGE
REGURATER
+B12
+B7
VOLTAGE
REGURATER
+B9
+B13
QB01
VOLTAGE
REGURATER
UN-SWITCHED
CD-C482