DOWNLOAD Harman Kardon ESQUIRE 2 Service Manual ↓ Size: 10.02 MB | Pages: 26 in PDF or view online for FREE

Model
ESQUIRE 2
Pages
26
Size
10.02 MB
Type
PDF
Document
Service Manual
Brand
Device
Audio
File
esquire-2.pdf
Date
PREV: Harman Kardon ESQUIRE (serv.man5) Service Manual

Harman Kardon ESQUIRE 2 Service Manual ▷ View online

9
9、
、remove front cover
remove front cover
8/18/2015
10
10
10、
、uninstall MIC module
uninstall MIC module
8/18/2015
11
Mode Matrix
Hold down
Hold down
Hold down
Hold down
Hold down
Hold down
Hold down
8/18/2015
12
A
D
C
B
1
6
A
B
C
D
2
3
5
4
Vout=1.225*(1+R129/R133)=10.4V
C116
100nF
R125
0
0402
1%
R135
43K
5%
C111
100nF
16V
0402
R122
10
R133
34K
1%
R129
255K
1%
R132
121K
R1
27
121K
C126
2.2uF
+
C120
330uF
25V
C121
100nF
R134
100K
R1
24
47K
R1
23
220K
0402
1%
1 B
2
E
3
C
Q12
LMBT3904LT1
C122
10nF
R130
10K
C115
22uF
10V
C105
10uF
25V
C106
100nF
C103
10uF
25V
C104
100nF
R119
100K
C108
10uF
25V
C109
100nF
C131
470nF
C132
100nF
C134
470nF
C135
100nF
C123
100nF
C124
100nF
C125
10uF
25V
1 VIN
2 GND
3
CE
4
NC
5
VOUT
U12
VS2204
R131
10K
R128
30.9K
1%
R144
100K
R1
38
47K
R1
37
220K
0402
1%
1 B
2
E
3
C
Q16
LMBT3904LT1
C136
10nF
R143
100K
C140
10nF
C139
100pF
R1
42
47K
R146
47K
C129
10nF
D6
1N4148WX-TP
TP45
TP46
TP48
R1
39
47K
R1
40
220K
0402
1%
C138
10nF
R145
10K
C133
10nF
1 B
2
E
3
C
Q15
LMBT3904LT1
R141
100K
1
B
2
E
3
C
Q17
LMBT3904LT1
R147
47K
D8
1N4148WS
R148
10K
R136
100K
C118
22uF
25V
C119
22uF
25V
C113
10uF
25V
C112
100nF
R1
26
0
0402
1%
C127
2.2nF
C114
10nF
1 VIN
2 GND
3
CE
4
BYP
5
VOUT
U14
SD35
C137
10nF
C107
10nF
C130
33nF
C117
22uF
10V
1
2
3
4
5
6
7
8
Q11
PSMN4R2-30MLD
L17
1K ohm 74279266
L16
1K ohm 74279266
1 VIN
2 GND
3
CE
4
BYP
5
VOUT
U11
SD35
C169
390pF
R120
0.01
0805
1%
R121
0.01
0805
1%
R170
0.01
0805
1%
1
2
3
D7
BAT54CT-7
1
D
2
D
3
G
4
S
5
D
6
D
Q13
WM6421
1
D
2
D
3
G
4
S
5
D
6
D
Q10
WM6421
R199
100K
1
BST
2
SDDR
3
OUT
4 EN
5 MODE
6 SENSE
7
SW
8
SW
9
PGND
10
PGND
11 IN
12 VDD
13
COMP
14
FB
15 SS
16
AGND
17
PGND
18
PGND
19
SW
20
SW
21
SW
22
PGND
U13
MP9428
1
B
2
E
3
C
Q20
LMBT3904LT1
R200
100K
C50
1uF
1
B
2
E
3
C
Q21
LMBT3904LT1
R61
1K
0402
1%
R181
NC
0402
L14
1.5uH
1
G
2
S
3
D
Q14
WM3401
FB4
10
0603
1%
C128
1nF
50V
0402
C163
NC
0402
R118
10
0603
5%
V_AMP_10V
POWER_STBY
V_BATTERY
V_BATTERY
V_BATTERY
3V3_ADC
MCU_3V3
POWER_SW
POWER_HOLD
ADC_5V_EN
5V_ADC
V_BATTERY
BAT
USB_5V_IN
LED_3V3
ADC_5V_EN
POWER_STBY
USB_5V_IN
DFU_5V
SYS_RST
SCHEMATICS DIAGRAM - MAIN BOARD_ POWER SUPPLY PART
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