JBL GX-A602 Service Manual ▷ View online
26
specificAtions
GX-A604
GX-A602
GX-A3001
Max power (15.5 V, 1 kHz, 10% THD,
total ch, 2 ohms)
435 W
280 W
415W (15.5 V, 50 Hz, 10% THD,
2 ohms)
Rated power output @ 4 ohms
60 W x 4
60 W x 2
200 W x 1
Bridged power output
(4 ohms, 1% THD)
170 W x 2
170 W x 1
N/A
THD+N at rated power
<1%
<1%
<1%
Signal-to-noise (2 V @ 4 ohms)
>75 dB
>75 dB
>75 dB
Effective damping factor (4 ohms)
>50
>50
>50
Frequency response (–3 dB)
20 Hz – 20 kHz ±1 dB
20 Hz – 20 kHz ±1 dB
10 Hz – 320 Hz
Maximum input voltage
20 V
20 V
20 V
Maximum input sensitivity
200 mV
200 mV
200 mV
Fuse size
20 A x 2
25 A
20 A x 2
Dimensions (H x W x D)
2-1/16" x 11-13/16" x 8-1/8"
(52 mm x 300 mm x 206 mm)
2-1/16" x 7-13/16" x 8-1/8"
(52 mm x 198 mm x 206 mm)
2-1/16" x 11-7/16" x 8-1/8"
(52 mm x 291 mm x 206 mm)
Weight
5.3 lb (2.4 kg)
3.8 lb (1.7 kg)
5.3 lb (2.4 kg)
1
2
3
4
5
6
7
8
A
B
C
D
8
7
6
5
4
3
2
1
D
C
B
A
power supply
1
2
3
GROUND
REM
+12V
bass boost
45Hz 0-12dB
power
P1
A5
FUSE
P2
HI-IN auto ON
A1
GX-A602
A2
PRT
INPUT SENS
0.2V-4V
A1
A2
A3
A4
LP
FLAT
A6
L -out
2Ω/4Ω
2Ω/4Ω
L input
Class AB Audio Power Amplifier
input selector
variable crossover
1
2
3
4
HI IN
Pitch 2.5mm
A
bass boost
45Hz 0-12dB
B5
INPUT SENS
0.2V-4V
crossover
80Hz 12dB/ oct
B1
B2
B3
HP/LP pass
B4
LP
FLAT
B6
4R +out
2Ω/4Ω
2Ω/4Ω
R input
Class AB Audio Power Amplifier
input selector
variable crossover
A
A1
A2
3
2
1
4
A
7
6
5
8
B
HP
HP
10Hz
80Hz
＞
40KH z
crossover
80Hz 12dB/ oct
HP/LP pass
10Hz
80Hz
＞
40KHz
JBL GX-A602 BLOCK DIAGRAM
Pos
Part no.
Part name
Qty
Unit
Pos
10
AGXA602M0003 HARMAN,GX-A602,量产,
1
1
10
88AM03200519 GX-A602,功放板,DIP加工测试,量产,
1
1
10
88AM03100519 GX-A602,功放板,AI委外加工,量产,
1
1
10
88AM03000519 GX-A602,功放板,SMD外发,量产,
1
1
10
010103000024
▲SMD,100KΩ,1/10W-0603,±1%,无
3
1
R61P, R83P, R154P
20
020113000008 SMD 101/50V 0603 NPO ±5%
8
1
C300, C301, C131, C132, C231,
C232, C302,C303
C232, C302,C303
30
020113000082 SMD 102/50V 0603 NPO ±5%
1
1
C143P
40
020123000004 SMD 103/100V 0603 X7R ±10% TDK
2
1
C125P, C126
50
020123000007 SMD 104/50V 0603 X7R ±10%
14
1
C9P, C10P, C79, C81, C84,C117P,
C124P, C132P, C136,C236,
CA125P,C60,C1P, C24
C124P, C132P, C136,C236,
CA125P,C60,C1P, C24
60
020123000061 SMD 104/100V 0805 X7R ±10% TDK
7
1
C23, C24P, C25, C26,
CA1P,CA2P,C119P
CA1P,CA2P,C119P
70
010103000022 SMD 10KΩ 1/10W ±1% 0603
11
1
R3S, R9P, R11P, R35, R36,
R37,R39, R149P, R168, R268, RB5
R37,R39, R149P, R168, R268, RB5
80
010103000405 SMD 10K 1/8W ±1% 0805
1
1
R34P
90
010103000650 SMD 10K 1W ±5% 2512
1
1
R69
100
010103000033 SMD 11KΩ 1/10W ±1% 0603
1
1
R5P
110
010103000046 SMD 12KΩ 1/10W ±1% 0603
1
1
R171P
120
010103000057 SMD 13KΩ 1/10W ±1% 0603
1
1
RB6
130
010103000069 SMD 15KΩ 1/10W ±1% 0603
2
1
R145,R245
140
050203000015 SMD,2SC1815,SOT-23,长电,NPN,
14
1
Q1S, Q2S,Q7, Q8, Q16, Q17A,
Q32A, Q33,Q102, Q102P, Q103,
Q103P, Q202,Q203
Q32A, Q33,Q102, Q102P, Q103,
Q103P, Q202,Q203
150
010103000094 SMD 18KΩ 1/10W ±1% 0603
1
1
R4P
160
010103000017 SMD 1KΩ 1/10W ±1% 0603
4
1
R1P, R155P, R156P,R70P
170
010103000026 SMD 1MΩ 1/10W ±1% 0603
1
1
R33
180
040103000020 SMD,LL4148,DO-213AA,ST,
15
1
D1, D1S, D9, D11P, D25,D18,
D19, D38, D101, D101P,D102,
D103, D201, D202, D203
D19, D38, D101, D101P,D102,
D103, D201, D202, D203
190
010103000126 SMD 2.2KΩ 1/10W ±1% 0603
4
1
R16P,R132P, R157P, R161P
200
010103000130 SMD 220KΩ 1/10W ±1% 0603
1
1
R10P
210
010103000121 SMD 220Ω 1/10W ±1% 0603
1
1
R46
220
020123000070 SMD 222/50V 0805 X7R ±10%
1
1
C92
230
010103000128 SMD 22KΩ 1/10W ±1% 0603
1
1
RB4
240
010103000572 SMD 22Ω 1/4W ±1% 1206
2
1
R167P,R168P
250
010103000113 SMD 20KΩ 1/10W ±1% 0603
1
1
R175P
260
010103000111 SMD 2KΩ 1/10W ±1% 0603
2
1
R138P, R200P
270
050103000003 SMD,2SA1015,SOT-23,长电,PNP,
7
1
Q19, Q20, Q32,Q104, Q105,
Q204, Q205
Q204, Q205
280
010103000200 SMD 3.3KΩ 1/10W ±1% 0603
2
1
R147, R247
290
010103000480 SMD 3.3KΩ 1/8W ±1% 0805
4
1
R7, R8, R178P, R179P
300
040203000043 SMD 3.9V DO-213AA 0.5W
1
1
D39
310
010103000265 SMD 4.7KΩ 1/10W ±1% 0603
1
1
R4S
320
010103000283 SMD 4.7Ω 1/10W ±1% 0603
2
1
R38, R40
330
060103000062 SMD BA4560F SOP-8 ROHM
1
1
U2P
340
010103000268 SMD 47KΩ 1/10W ±1% 0603
2
1
R19P, R20P
350
020113000051 SMD 47pF/50V 0603 NPO ±5%
2
1
C133, C233
Pos
Part no.
Part name
Qty
Unit
Pos
10
AGXA602M0003 HARMAN,GX-A602,量产,
1
1
10
88AM03200519 GX-A602,功放板,DIP加工测试,量产,
1
1
10
88AM03100519 GX-A602,功放板,AI委外加工,量产,
1
1
10
88AM03000519 GX-A602,功放板,SMD外发,量产,
1
1
10
010103000024
▲SMD,100KΩ,1/10W-0603,±1%,无
3
1
R61P, R83P, R154P
20
020113000008 SMD 101/50V 0603 NPO ±5%
8
1
C300, C301, C131, C132, C231,
C232, C302,C303
C232, C302,C303
360
010103000261 SMD 47Ω 1/10W ±1% 0603
10
1
R134, R135, R136, R137,
R160P,R164P, R234, R235, R236,
R237
R160P,R164P, R234, R235, R236,
R237
370
010103000252 SMD 4.3KΩ 1/10W ±1% 0603
1
1
R102
380
010103000505 SMD 4.7KΩ 1/8W ±1% 0805
2
1
R3,R3P
390
010103000655 SMD 4.7KΩ 1W ±5% 2512
2
1
R176P, R177P
400
010103000624 SMD,4.7Ω,1W-2512,±5%,
2
1
R158, R258
410
010103000293 SMD 51KΩ 1/10W ±1% 0603
1
1
R23A
420
010103000307 SMD 5.6KΩ 1/10W ±1% 0603
2
1
R148, R248
430
010103000008 SMD 0Ω 1/10W ±1% 0603
2
1
J18,J15
440
010103000396
▲SMD,0Ω,1/8W-0805,±5%,无
2
1
J21, J55
450
010103000332 SMD 62K 1/10W ±1% 0603
1
1
R33P
460
020123000049 SMD 682/50V 0603 X7R ±10%
4
1
C401, C402, C403, C404
470
010103000343 SMD 6.8KΩ 1/10W ±1% 0603
8
1
2R1, R30, R159, R160,
R166,R259, R260, R266
R166,R259, R260, R266
480
010103000535 SMD 6.8KΩ 1/8W ±1% 0805
1
1
R158P
490
060103000383 SMD TL494C SO-16
1
1
U18
500
020123000101 SMD 104/50V 1206 X7R ±10%
1
1
C122
510
010103000162 SMD 2.7KΩ 1/10W ±1% 0603
2
1
R4A,R4B
520
020123000011 SMD 122/50V 0603 X7R ±10%
2
1
C2,C3
530
010103000238 SMD 4.02KΩ 1/10W ±1% 0603
1
1
RB3
540
010103000278 SMD 4.99K 1/10W ±1% 0603
1
1
R2P
550
020603000015 DIP 103/100V ±20% 脚距5MM 编带式
1
1
C123
560
010103000330 SMD 6.2KΩ 1/10W ±1% 0603
1
1
R31
20
020513000082
DIP 100uF/25V ±20% 6.3*11 105℃ 脚距5MM
编带式 黑色
编带式 黑色
4
1
CA123P, CA124P, C21,C3S
30
020713000001 DIP 102/100V ±5% 绿色 编带式 脚距5MM
1
1
C102
40
170903000029 DIP φ0.6*10MM 编带式
14
1
J58, J59, J60, J65, J66,J10, J11,
J28, J29, J34, J50,J51, J54, J69
J28, J29, J34, J50,J51, J54, J69
50
020513000060
DIP 10uF/50V ±20% 5*11 105℃ 脚距5MM 编带式
黑色
黑色
2
1
C192A,C192B
60
170903000062 DIP φ0.6*12.5MM 编带式
4
1
J36,J6, J7, J52
70
170903000033 DIP φ0.6*12MM
1
1
J2
80
170903000036 DIP φ0.6*15MM 编带式
6
1
J12,J31, J32, J39, J40, J44
90
170903000039 DIP φ0.6*17MM 编带式
1
1
J27
100
010203000007 DIP 1/8W 1KΩ ±5% 编带式
6
1
R144, R244,R169, R170, R269,
R270
R270
110
170903000042 DIP φ0.6*20MM 编带式
7
1
J8, J9, J41, J42, J43, J48, J49
120
010203000153 DIP 1/4W 220Ω ±5% 编带式（编带52MM)
4
1
R140, R240, R251,R151
130
020513000166
DIP,220uF/35V,8*12,±20%,105℃间距5mm编带式
黑色
黑色
1
1
C142P
140
010203000152 DIP 1/4W 22Ω ±5% 编带式 脚距10MM
1
1
R169P
150
020513000145 DIP 22uF/50V ±20% 5*11 105℃ 脚距5.0MM 编带式 3
1
C9,C11,C151
160
010203000046 DIP 1/8W 2KΩ ±5% 编带式
2
1
R231,R131
170
050103000036 DIP 2N5401 PNP TO-92 编带式 长电
2
1
Q106, Q206
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