Read Sony CDX-CA720X Service Manual online
32
CDX-CA720X
IC601 AN80T51
IC581 BA8270F-E2
PRE
DRIVE
PRE
DRIVE
ANP
OUT
OUT
ANT
OUT
OUT
PRE
DRIVE
PRE
DRIVE
ASO & PEAK
CURRENT PROTECTION
PRE
DRIVE
12
11
9
5
3
2
8
6
7
10
4
1
THERMAL
PROTECTION
REFERENCE
VOLTAGE
VCC
ANT+B
COM
8.7V
TU+B
(8.4V)
TU+B
(5.1V)
GND
AMP+B
BU+B
(5.8V)
TUN-ON
SW
10V
STB
10V-ON
SW
1
2
3
4
5
5
6
7
8
9
10
14
13
12
11
BUS ON
SWITCH
RESET
SWITCH
BATTERY
SWITCH
BUS ON
RST
BATT
CLK
VREF
GND
VCC
RST
BUS ON
BUS ON
CLK IN
B/U-C
DATA IN
DATA OUT
DATA
I/O
I/O
+
–
+
–
1
24 LF OUT
2
3
LF IN
VREF
+
–
+
–
4
23 LR OUT
5
LR IN
VREF
+
–
+
–
7
DC R
20
19 VCC
18 VCC
6
DC L
VREF
+
–
+
–
–
8
RF IN
9
10
17
15 GND
VREF
+
–
–
+
–
–
14 RF OUT
VCC
VCC
SIGNAL AMP
SIGNAL AMP
LIFT AMP
VCC
VCC
LIFT AMP
SIGNAL AMP
SIGNAL AMP
VREF
11
RR IN
12
+
–
–
13 RR OUT
16
+
–
–
VREF
21
22 GND
IC407 LA2902V
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