R131
2K
R144
1K
C137
47uF/25V
Q103
2SC1815
R135
47R
R139
6K8
R134
47R
Q102
2SC1815
Q105
2SC1015
Q104
2SC1015
R137
47R
R136
47R
R138
6K8
Q109
667
Q108
MPSA13
C135
CM104
R147
3K3
R148
5K6
Q106
2N5401
Q107
2N5551
C131
100P
R146
47R
R149
47R
C132
100P
R165
0.15/5W
R156
680R
D101
IN4148
R159
6K8
Q113
2SC1815
C136
104
Q110
647
R155
0.15/5W
R157
680R
D102
IN4148
R160
6K8
R158
4R7/1W
C158
104
C133
47P
R145
11K
R151
220R/0.5W
+VCC
R170
1K
R168
10K
R169
1K
R175
33K
R166
3K
R231
2K
R244
1K
C237
47uF/25V
Q203
2SC1815
R235
47R
R239
6K8
R234
47R
Q202
2SC1815
Q205
2SC1015
Q204
2SC1015
R237
47R
R236
47R
R238
6K8
Q209
667
Q208
MPSA13
C235
CL104
R247
3K3
R248
5K6
Q206
2N5401
Q207
2N5551
C231
100P
R246
47R
R249
47R
C232
100P
R265
0.15/5W
R256
680R
D201
IN4148
R259
6K8
Q213
2SC1815
C236
104
Q210
647
R255
0.15/5W
R257
680R
D202
IN4148
R260
6K8
R258
4R7/1W
C258
104
C233
47P
1
2
R245
11K
R251
220R/0.5W
+VCC
-VCC
R270
1K
R268
10K
R269
1K
R275
33K
R266
3K
LCH
RCH
R133
33K
R233
33K
-VCC
Q111
718
Q211
718
Q212
688
Q112
688
Q102P
STN3904S
Q103P
STN3904S
R158P
6K8
C142P
100uF/25V
D101P
IN4148
1
2
3
4
JK1
REAR
R132
56K
R232
56K
C192B
CW 10u/50V
C192A
CW 10u/50V
R140
220R/0.5W
R240
220R/0.5W
C17
CL224
C18
CL224
R24
51K
C22
220U/16V
R30
6K8
D25
1N4148
Q17A
2SC1815
Q16
2SC1815
D9
1N4148
R23A
51K
RCH
LCH
C300
100p
C301
100P
C302
100P
C303
100P
D203
IN4148
D103
IN4148
C2
122
C3
122
R3B
PTC NC
R3A
PTC NC
R4B
270R
R4A
270R
152
改为
122
152
改为
122
R31
6K2
PROT
J24
20mm
PROT
J21
20mm
J20
20mm
J23
20mm
J22
20mm
J28
10mm
J29
10mm
PROT
J31
10mm
J32
10mm
J33
12mm
PROT
J34
15mm
PROT
C142P1
100uF/25V
J35
6mm
J36
6mm
J37
10mm
J38
10mm
J39
7.5mm
J40
6mm
R
L
J53
6mm
J54
10mm
-AMP1
-AMP
+AMP
+AMP1
J55
10mm
J56
10mm
J57
10mm
J58
10mm
J59
20mm
J61
15mm
J60
15mm
J62
12mm
J65
10mm
J64
10mm
J63
15mm
J66
6mm
J67
7.5mm
J74
12mm
J75
7.5mm
J77
12mm
J78
7.5mm
PROT
C23
CL222(NC)
C25
CL222(NC)
J80
7.5mm
SCHEMATICS DIAGRAM -
MAIN BOARD -
AMPLIFIER
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...