General Information - Pioneer PRS-X720 Service Manual

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7. GENERAL INFORMATION

7.1 IC
PA2027A
VCC
Stby
DET1
TE
L 13942296513
DET2
DET_R
GND
NC
NC
www
.
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1
Transient voltage
detector
2
3
Circuit motion:on
-
zz
+
4
50µA
5
4.7kΩ
Bandgap:on
Switch:on
6
7
+
-
8
5.6V
Oneshot
(1µsec)
x ao
y
i
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8
Bandgap
Q Q
3 6 7 1 3
+
+
zz
zz
-
-
2V
2V
0.13V
+
-
S Q
R
u163
.
PRS-X720,X320,X220
2 9 9 4 2 8
16
+
IN1
zz
-
2V
IN2
15
+
zz
-
2V
14
+
IN3
zz
-
2V
1 5 0 5 8 2 9 9 4
13
Cont_V
12
Filter
11
Vs_out
10 TC
9
Mute_out
+
-
2V
m
co
9 9
2 8 9 9
49