JBL Party Box 200 Service Manual page 23

A
CIRCUIT DIAGRAM-MAIN BOARD
OP_12V
R113
R1182
0R
R1178 0Ω/0603
1
C1007
1000pF/50V/X7R
P1
MIC_DET1
5
DET1
4
DET1
2
SIN
3
SGND
7
DET2
8
DET2
1
GND
7PIN/CKX-064-13SA02H
ESD1
C90
R130
Φ6.43mm
100K
NC/ESD0402
OP_12V
R1026
2
C1006
1000pF/50V/X7R
P2
GT_DET1
5
DET1
4
DET1
2
R1032
SIN
3
SGND
7
DET2
8
DET2
1
GND
7PIN/CKX-064-13SA02H
ESD7
C892
R142
Φ6.43mm
499KΩ/1%
NC/ESD0402
3
OP_12V
AMP_24V/19V
Q52
R1224 100R
NPN_BT8050
C1052 C1053
R1250
R1227 R1226
2.7K
1K
2.7K
C1051
ZD3
UDZS12B/12V
4
A
B
MIC CIRCUIT
10Ω
C28
C82 NC/100pF/50V/NP0
R122 75K
U19A
F4558
C84
R126 12K 2 10UF/10V/X7R
1 R127
10UF/10V/X7R
3
C85
C87
NC/1000pF/50V/X7R
REF
From MIC_knob(10K)
REF_GT
R1155
10Ω REF_GT
C31
C969
51K
R1154
51K
C893 NC/100pF/50V/NP0
R1027 68K
U56A
F4558
C894
2
22K 10UF/10V/X7R
1 R1126
10UF/10V/X7R
3
C898
C890
NC/1000pF/50V/X7R
REF_GT
XP26
1
1
KNOB4 R1033 0 2
2
KNOB5 R581 0 3
3
4
KNOB6 R580 0
4
KNOB1 R579 0 5
5
KNOB2 R578 0 6
6
KNOB3 R577 0 7
7
8
8
8PIN/0.5mm
10
GT_DET GT_DET
10
MIC_DET MIC_DET
B
C
REF
R132
REF
C30
51K
R133
51K
R123 10K
C83
47pF/50V/NP0
10K
F4558
C93
U19B
6
C88 7 R128 1K
10UF/6.3V/X5R
REF 5
R1031 10K
C895
NC/47pF/50V/NP0
F4558
C95
U56B
6 10UF/6.3V/X5R
C896
7 R1028 1K
REF_GT 5
10K
C1093
MIC_IN
C1063
FB73
5V_SYS
C
D
SYS_3V3
KARAOKE
R116 0Ω/0603
R120 R118
10K 10K
R117 0Ω/0603
R119 0Ω/0603
R121 0Ω/0603
MIC_DET1 R545 1K
GT_DET1
R546 1K
MIC_IN
GT_IN_ADC
GT_IN_ADC
R1236 R1237
4.7K 4.7K
GT_IN
C1062 1uF/10V/X5R
U61
49
PGND
C1061
1
10PF/50V
MICOUT
150nF/16V/X7R
R1235 100K 2
MICNFIN
1uF/10V/X5R R1234 1K 3
MICIN
4
C1058 4.7uF/6.3V/X5R
ALCTC
C1056 0.01uF/50V/X7R 5
ALCLC
R1249 NC/12K
R1232 NC/12K 6 PT2392
MICBIAS ECHOVOLIN
R1231 12K 7
5V_SYS
FAD MICMIXOUT
C1091 1uF/10V/X5R 8
VREF
600Ω/200mA
9
AVCC
C1079 C1086 10
AGND
0.1uF/16V/X7R
10uF/16V/X5R 11
LIN
12
RIN
C1095 10UF/6.3V/X5R
GT_IN
TP66
R1247 R1248
4.7K 4.7K
D
E
MIC DETECT
MIC_DET
1
GT_DET
R124 R125
NC/10K NC/10K
2
36
C1073 0.1uF/16V/X7R
CC2
35 C1074 0.1uF/16V/X7R
OP2IN
34 R1241 15K
OP2OUT
33
R1242 15K
C1077
LPF2IN
C1075 680pF/50V/X7R
32 R1243 15K 3300pF/50V/X7R
3
LPF2OUT
31 C1076 0.1uF/16V/X7R
30 C1078 1uF/10V/X5R
MIC_IN_ADC
29 R1245 33
SDA I2C_PT_SDA 7,8
28 R1246 33 R1244
7,8
SCL I2C_PT_SCL
FB74 600Ω/200mA 100K
27
5V_SYS
DVCC
26
DGND
FB75 600Ω/200mA
25
PVCC
4
E