JBL PARTY BOX 100 Service Manual page 20

Circuit Diagram-MCU+DSP+AMP PCBA
AMP_SD
Out Hi_Z
Enabled
SW_R+
R109
SW_R-
TW_R+
TW_R-
AMP_MUTE
MUTE
R148
TW_L+
R150
TW_L-
SW_L+
SW_L-
AMP_MUTE
VDD
VDD
R45 20K
R415 NC
Q11
SK3018
R144
R103 1K
AMP_SD
47K R42 0R
R105 1K R108 0R C103 2.2UF
C257
2.2UF
C121
220PF
1K R121 0R
R122 R348
100pF 100pF
C122
R123 NC
1UF
R124 5.6K
R125 1K R126 0R C126 2.2UF
R129 100pF
2.2UF
C258 C127
R349 100pF
220PF R128
0R
R127 1K
VDD
R130 100K MUTE
R131 4.7K Q9
3904
R132
C128
SYNC
100K
1UF
C129
102
MUTE
PLAY
VDD
VDD
R114 20K
R414 NC
Q20
SK3018
R145
R146 1K
AMP_SD
47K 0R R43
1K R149 0R C159 2.2UF
C90
R400
33k 2.2UF
C160
R151
220PF
1K 0R
R152 R350
100pF 100pF
C161
R153 NC
1UF
R154 5.6K
R155 1K R156 0R C165 2.2UF
R159 100pF
2.2UF
C101 C166
R399
R351 100pF
33k
220PF
R158
R157 1K 0R
VDD
MUTE
R160 100K
R161 4.7K Q12
3904
R162
C167 R403 10K
100K
1UF SYNC
MUTE C168
MUTE 102
PLAY
VDD
TPA3116D2
U10
C132 C133 EC10
102
0.1uF/50V/X5R
220uF/35V
1 MODSEL 32
PVCC
2 SDZ 31
PVCC
L1 10UH/7A
224
3 FAULTZ 30 C134 2
BSPR
R133 10R
4 INPR 29 C135 330PF
OUTPR
5 INNR 28
GND
6 PLIMIT 27 C136 330PF R134 10R
OUTNR
C137 224
7 GVDD 26 2
BSNR
8 GAIN/SLV 25 L2 10UH/7A
GND
L3 10UH/7A
224
9 GND 24 C145 2
BSPL
R137 10R
10 INPL 23 C146 330PF
OUTPL
11 INNL 22
GND
12 MUTE 21 C147 330PF R138 10R
OUTNL
C148 224
13 AM2 20 2
BSNL
14 AM1 19 L4 10UH/7A
PVCC
15 AM0 18
PVCC
VDD
16 SYNC 17
AVCC
C130 C131 EC8
102 0.1uF/50V/X5R
220uF/35V
VDD
TPA3116D2
U11
C171 C172 EC13
102
0.1uF/50V/X5R
220uF/35V
1 MODSEL 32
PVCC
2 SDZ 31
PVCC
L5 10UH/7A
224
3 FAULTZ 30 C173 2
BSPR
R163 10R
4 INPR 29 C174 330PF
OUTPR
5 INNR 28
GND
6 PLIMIT 27 C175 330PF R164 10R
OUTNR
C176 224
7 GVDD 26 2
BSNR
8 GAIN/SLV 25 L6 10UH/7A
GND
L7 10UH/7A
224
9 GND 24 C184 2
BSPL
R167 10R
10 INPL 23 C185 330PF
OUTPL
11 INNL 22
GND
12 MUTE 21 C186 330PF R168 10R
OUTNL
C187 224
13 AM2 20 2
BSNL
L8
14 AM1 19 10UH/7A
PVCC
15 AM0 18
PVCC
VDD
16 SYNC 17
AVCC
C169 C170 EC12
102 0.1uF/50V/X5R
220uF/35V
Master Mode
R124(TO GND) R123(TO GVDD)
GAIN
20DB 5.6K OPEN
26DB 20K 100K
VDD
32DB 39K 100K
36DB 47K 75K
SW_R+
1
C138 C141 3.3R C124
C142
R136 102
684 102
103 SW_30W
103
C123
C139 C140
R135
C143
102
684 102
3.3R
1
SW_R-
TW_R+
1
C149 C152 3.3R C144
C153
R140
684 102 102
103
TW_15W
103
C150 C151 C125
R139
C154
684 102 102
3.3R
1
TW_R-
VDD
VDD
TW_L+
1
C177 C180 3.3R C156
C181
R166
684 102 102
103
TW_15W
103
C178 C179 C155
R165
C182
684 102 102
3.3R
1
TW_L-
SW_L+
1
C188 C191 3.3R
C158
C192
R170
684 102
102
103
SW_30W
103
C190
C189
R169 C157
C193
684 102
102
3.3R
1
SW_L-
VDD
Master Mode
R154(TO GND) R153(TO GVDD)
GAIN
20DB 5.6K OPEN
26DB 20K 100K
32DB 39K 100K
36DB 47K 75K
R
CON1
1
1
SW_R- 2
2
3 SW_SPEAKER
SW_R+
3
SW_L- 4
4
SW_L+ 5
5
CON2
4
TW_R+
3
TW_R-
TW_SPEAKER
2
TW_L-
1
TW_L+
L