JBL PARTY BOX 100 Service Manual page 17

Circuit Diagram-MCU+DSP+AMP PCBA
AUX_IN
9
3 FB1 FB/300R
5
4
FB/300R
2 FB2
1
7
C2 C1
JK301
100PF 100PF
AUX_OUT
9
3
FB/300R
5 FB3
4
FB/300R
2 FB4
1
7
C24 C25
JK2
100PF 100PF
VDD_22V
AUX_IN OP
R_DET
L_DET
C4
AUX_R
R2 1.5K
AUX_R
22uF/6.3V/0805/Y5V
R1 1.5K
AUX_L
C3
AUX_L
22uF/6.3V/0805/Y5V
R82 1K
AUX_INPUT_DET
R81 10K 102PF
STBY_3V3
C255
AUX_IN¼ ì ² â µ ç Â ·
R27 220K
C17
4.7uF/6.3V/0603/Y5V
R24 18K
L_DET
R32
NC
R23 18K
R_DET
C18
4.7uF/6.3V/0603/Y5V
R26
10V
4.7R R50
C27
C7
104
R410 100R
AUX_OUT_R
AUX_OUT_R
R409 100R
AUX_OUT_L
22uF/6.3V/0805/Y5V
R56 1K
1
AO3404/N-30V/4A/SOT23
Q8 AUX_OUT_MUTE
1
R55 1K AUX_OUT_L
22uF/6.3V/0805/Y5V
Q7
22uF/6.3V/0805/Y5V
C40
C41
100PF C54 EC2
10K R34 10K R33
104
100uF/16V
R29
10K/1%
R6 10K
C64 10uF/6.3V/0603/Y5V
+ U1
+
D4558
R5 10K
C65 10uF/6.3V/0603/Y5V
R31
10K/1%
100PF C59
STBY_3V3
STBY_3V3
R37
10K
STBY_3V3
C21
4.7uF/6.3V/0603/Y5V
R28 100K
Q3
R40
3904
27K
D1
Q2 R41 33R
BAV99
3904
R38 5.6K/1% Q5
3904
Q1
C23
3904
3300PF
C22
10UF
C20
220K
4.7uF/6.3V/0603/Y5V
R36
10K
STBY_3V3
C26 10uF/10V/0603/X5R
AUX _OUT OP
EC4 33PF
C28
R48 10K R49 10K
100uF/16V
R46 30K/1%
10K R52 C33 22uF/6.3V/0805/Y5V
C30
U4
+
+
D4558
10K R51 22uF/6.3V/0805/Y5V
C32
C31
R47
30K/1%
33PF
C29
10V
R35 4.7R
C5
AUDIO_R
10uF/6.3V/0603/Y5V
C56
10K R17
AUDIO_L
R20
AUDIO_R
10uF/6.3V/0603/Y5V
10K
C58
10K R214
AUX_IN_DET
C351
104/16V/X5R
AUDIO_L
R13
10K
STBY_3V3
OUT_R
AOUT_MUTE
OUT_L
DIFFERENTIAL INPUT
A5V
R19 4.7R
C12 C334
EC3
104
220uF/10V
10K R14
C16
AUX_R-
10uF/6.3V/0603/Y5V
+ U3
+
F4558
C15
AUX_R+
10uF/6.3V/0603/Y5V
10K
10K R15
A5V
R11 4.7R
C6 C335
EC1
104
220uF/10V
R7
C10
AUX_L-
10uF/6.3V/0603/Y5V
+
U2
+
F4558
C9
AUX_L+
10K
R8 10uF/6.3V/0603/Y5V
Q6
2
3
AUX_OUT_MUTE
8550
1
R21
470R
R53 1K
Q4
3904
C34
R12
10K
102