Sharp CD-C492 - Page 22

CD-C492/492C
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Figure 22 BLOCK DIAGRAM (2/5)
13
8
10
1 4
6
7
14
TOS
ICA14
GP1F38R
DVD2
DIGITAL
IN
ICA15
TC74HCU04
INVERTER
IN
IN
DVD2
DIGITAL
IN
FROM CD UNIT
4
3
5
6
7
1
6
11
~
13
15
+B13
IN
IN
IN
ICA16
TC74HCU15
SWITCH
61
D4-GND
D4-GND
14
13
12
11
D-OUT
DEM0
DEM1
16
17
15
SCK
CLK
CLK2L/R
83
79
91
D-IN CLK2L/R OUT
92
CLK2OUT
97
95
66
CL
CL
S
C
SCK2IN
78
94
86
85
62
60
36
4
2
D3-GND
D-OUT
D-IN
SL/SR OUT
SL/SR IN
ANAROG LCH
4
7
IN
2
1
6
7
IN
6
3
4
5
6
23
24
PWDA PWAD
AINR+
AINR–
AINL+
AINL–
2
8
18
19
20
22
25
1
7
9
10
21
+B13+B9
AINR–
AINL–
AINL+
IN
IN
OUT
OUT
OUT
ICA13
AK4520A
A/D,D/A
CONVERTER
ANAROG RCH
ICA11
NJM4580M
LOW PASS FILTER &
DIFFERENTIAL AMP
A-GND
8
4
2 1
8
+B7
A-GND
A-GND
+B7
ICA12
NJM4580M
LOW PASS FILTER &
DIFFERENTIAL AMP
27
LS OUT
RS OUT
26
VIDEO1 IN
VIDEO2 IN
MONITOR
OUT
1
7
3
+B7
2
4
8
5
+B7
ICH51
NJM2246M
SWITCH
QH51
V-GND
LS/RS
OUT
DGTL2
V1/V2
16
+B13
2
DGTL2
9
14
DGTL1
V1/V2 DGTL2 DGTL1
QH52
QH53
DGTL2
V1/V2
SWITCHING
SWITCHING
