2
3
1
8
4
U1A
LM393
R53
11K
R51
8.2K
R55
2.2K
C30
100uF/16V
R47
47K
R56
680R
R54
47K
R52
3.3M
Q1
2N3906
Q2
2SC1815
6
5
7
U1B
LM393
1.5V
R60
10K
R67
47K
R59
2.7K
R58
7.5K
R57
10K
R61
47K
R62
2.2K
R63
2.2K
Q3
2SC1815
C29
47uF/16V
to
7/
7
T
L
49
4
的
15
脚
to7/7 TL494
的
13
脚
C39
104
A:62
1.5V
℃
R9
560K
℃
NTC1
20K
+5V
LP 8.5
83-pro;66-huifu
080523000012
R68
2.7K
SCHEMATICS DIAGRAM - TEMPERATURE PROTECTION PART
Summary of Contents for JBL GX-A422SI
Page 2: ...GX A422SI power amplifier OWNER S MANUAL...
Page 17: ...1 GX A422SI 4 2 2 channel or...
Page 22: ...PCB LAYOUT DIAGRAM FRONT END BOARD TOP VIEW...
Page 23: ...PCB LAYOUT DIAGRAM FRONT END BOARD BOTTOM VIEW...
Page 24: ...PCB LAYOUT DIAGRAM MAIN BOARD TOP VIEW...