General Information - Pioneer GM-X622 X1R/UC Service Manual

GM-X622,GM-X522

7. GENERAL INFORMATION

7.1 IC
PA2027A
VCC
1
Transient voltage
detector
Stby
2
DET1
3
DET2
4
DET_R
5
GND
6
7
NC
NC 8
18
Bandgap
Circuit motion:on
-
zz
+
50mA
4.7k½
Bandgap:on
Switch:on
+
zz
-
2V
0.13V
+
-
5.6V
Oneshot
(1msec)
+
zz
-
2V
+
-
+
-
S Q
2V
R
16
+
IN1
zz
-
2V
15 IN2
+
zz
-
2V
14
+
IN3
zz
-
2V
13
Cont_V
12
Filter
11
Vs_out
10 TC
9
Mute_out