1
2
3
4
A
B
C
D
8
7
6
5
4
3
2
1
D
C
B
A
C102
102
R169P
22R,
1/
3W
3
3
2
2
1
1
CN3
POWER
R157P
2K2
R161P
2K2
PGND
REM
+12V
D31
F16C20
D32
F16A20
Q22
80N70F4
Q26
80N70F4
R160P
47R
R164P
47R
C125P
103
R167P
22R/ 1W
C126
103
R168P
22R/ 1/2W
R69
10K,1/10W
C139
104
C140
104
31 5.5:10.5
R176P
10K,1/3W
R177P
10K,1/3W
C152
CC104
C24
104
P+12V
C119P
104
R155P
1K
R156P
1K
+
1
-
2
FED
3
DT
4
CT
5
RT
6
GND
7
OP1
8
E1
9
E2
10
OP2
11
VC
C
12
13
RE
F
14
-
15
+
16
U18
TL494
R154P
100K
R175P
20K
C143P
102
C117P
104
C132P
104
R36
10K
R19P
47K
R132P
2K2
R102
4K3
C9P
104
R33P
91K
2R1
6K8
C1P
CC104
C21
100uF
/25V
C151
22uF
/50V
REM
R83P
100K
R70P
1K
1
2
F1A
20A
C24P
104
+BATT
CA2P
104
CA124P
100uF/
16V
CA123P
100uF/
16V
R111P
22R/1W
R126P
22R/1W
CA1P
104
R8
3K3
R7
3K3
C9
22uF/
50V
C11
22uF/
50V
1
2
L6
2.5MH
R178P
3K3
R179P
3K3
C20
104
C19
104
C145
1000U
/35V
C146
1000U
/35V
CA125P
104
C10P
104
3
4
8
6
5
1
2
7
T1
LED-PRO
C92
222
1
2
3
4
5
6
7
8
9
CN1B
CN9
C401
102
C402
102
C403
102
C404
102
C26
CL104
1
2
3
4
U1P
PC817
Q8
2SC1815
R9P
10K
R10P
220K
R11P
10K
R33
1M
C59
4.7uF/50V
2
3
1
8
4
U2PA
4560
6
5
7
U2PB
4560
R40
4.7R
R39
10K
R38
4.7R
R37
10K
C60
104P
R16P
2.2K
RB6
13K
R171P
12K
C82
47uF/25V
C79
104
R20P
47K
R138P
2K
C81
104
C84
104
C124P
104
R200P
2K
R46
220R
RB4
22K
R61P
100K
R149P
10K
RB5
10K
R2P
4.99K
R35
10K
RB3
4.02K
D1
1N4148
2.5
Hi16.5
D11P
1N4148
R34P
10K
+VCC
-VCC
+15V
-15V
LED-PRO
-15V
+15V
+15V
-15V
+15V
RCA-PRO
Q201P
SMD,BCX55
Q202P
SMD,BCX52
D38
IN4148
D18
IN4148
D19
IN4148
Q33
2SC1815
Q17
SMD,BCX52
Q32A
2SC1815
Q32
2SA1015
Q19
2SA1015
Q20
2SA1015
Q7
2SC1815
DZ102P
15V
DZ103P
15V
D1
5
IN
4007
C3S
100uF/25v
R4S
4.7K
Q1S
1815
Q2S
1815
R3S
10K
RCA-PRO
D1S
1N4148
PROT
C124
104
D39
3.9V
+5V
LP 8.5
C111
W1500/25V
J2
10mm
J3
10mm
J4
10mm
A
1
P1
3.5
A
1
P2
3.5
A
1
P3
3.5
J5
10mm
J6
5mm
J7
15mm
J8
20mm
J9
15mm
J10
5mm
PROT
C125
104
J12
7.5mm
J13
7.5mm
J14
20mm
J15
20mm
J17
10mm
J19
10mm
J26
7.5mm
J27
7.5mm
J25
7.5mm
J11
20mm
J30
10mm
J42
20mm
J41
6mm
J43
15mm
J44
15mm
J45
6mm
J46
15mm
J47
20mm
J16
10mm
J48
5mm
J49
20mm
J50
20mm
R41
0R
R42
0R
R43
0R
R44
0R
1
2
R45
0R
J51
10mm
1
2
J52
10mm
R
L
-AMP
+AMP1
-AMP1
J69 10mm
J71
15mm
J73
15mm
J72
15mm
J70
15mm
Auto
Auto
RB7
0R
+AMP
R241
0R
J76
10mm
D1
6
IN
4007
D1
7
IN
4007
J1
30mm
J79
5mm
DZ102P1
15V
R161
0R
R162
0R
C12
7UH(NC)
C13
7UH(NC)
-25V
SCHEMATICS DIAGRAM -
MAIN BOARD -
POWER
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...
