BBK DK1410SI - Page 31

3. Microphone circuit block diagram is shown in the following figure 3.2.8.3:
Figure 3.2.8.3 Microphone circuit block diagram
PWM RL-
N8A
1
R166
R165
N88
6
7
C108
R217
5
XS401
3
N9A
R16
R17
N98
C165
R218
PWM RL+
PWM RR-
PWM RR+
XP401
PWM H PR
PWM H MR
PWM H PL
PWM H ML
N10
RC4580
N11
RC4580
2
6
1
7
6
5
XS201
XP201
HR
HL
1
2
XP106
HR
HL
Output
1
6
7
6
5
L100
L102
LOUTX
ROUTX
5
3
MIC2
MIC1
1
3
XP204
XS201
C210 R12
4558
7
C8
R20
5
14
N5
CD4052
3
13
N7
CS5540
R81
R83
OK
1
2
6
5
10
12
4
N12 TAS5508
PWM FL+
PWM FL-
PWM FR-
PWM FR+
N14
TAS5112
38
39
34
35
L2
L3
FROUT
FLOUT
31
R29N3B
R101
206
217
U201
MT1389
ASDATO
L351
2
Xs207
22
XS207
power
amplifier
board
2
B
B
C110 R12
4. Headphone output circuit block diagram is shown in the following figure 3.2.8.4:
14
5
11
4
15
2
9
10
N5
CD4052
13
3
R81
R83
N7
CS5340
12
10
4
R225
N4D
OK
TUR
TUL
AUXR
AUXL
SL1
SL0
217
R294 R29
N3B 74HCT125
U201
MT1389
XS207 MPEG
XS207 power
amplifier board
22
R101
R99
62
61
60
59
PWM H PR
PWM H MR
PWM H PL
PWM H ML
R151 R148
N12
TAS5508
2
3
6
5
2
6
N10
RC4580
1
7
N11
RC4580
XS201
6
5
H-L
H-R
HL
HR
R152 R149
R153 R146
R150
R147
XP204
6
5
XP106
1
2
HL
HR
Output
Power amplifier
board
Panel
Headphone
board
Figure 3.2.8.4 Headphone output circuit block diagram
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