Harman Kardon ESQUIRE 2 Service Manual ▷ View online
2
4
3
5
D
C
B
A
6
1
B
C
D
A
Aux Detector
Aux Input
L3
1K ohm
74279266
C6
100nF
C10
100nF
L2
1K ohm
74279266
R7
33
R5
33
R4
33
1
AIN_R
2
AIN_L
3
CKS1
4
VCOM
5
VSS1
6
VA
7
VD
8
VSS2
9
SDTO
10
LRCK
11
MCLK
12
SCLK
13
PDN
14
DIF
15
CKS2
16
CKS0
U1
AK5358A
C4
2.2uF
R1
47K
R2
47K
C1
4.7uF
C11
4.7uF
C5
10uF
25V
C9
10uF
25V
2
4
1
35
U2
SN74LVC1GU04DBVRE4
C7
100nF
R8
33
Y1
12.288MHz
C13
8.2pF
C14
8.2pF
2
1IN-
4
GND
3
1IN+
1
1OUT
8
VCC
U3-A
NC
C15
NC
C18
NC
C20
100pF
C24
NC
C22
NC
0603
5%
C19
NC
R20
N
C
0402
R14
NC
0402
R15
NC
0402
R16
NC
0402
C17
2.2uF
C23
2.2uF
R22
NC
0402
R25
N
C
0402
C27
NC
25V
C28
NC
C31
NC
C34
100pF
C38
NC
R33
N
C
0402
R30
NC
0402
R29
NC
0402
R32
NC
0402
C32
2.2uF
C37
2.2uF
6
2IN-
5
2IN+
7
2OUT
U3-B
NC
Q1
2SC2712-GR
R19
12K
C25
1uF
R23
33
R18
2.2M
Q3
2SC2712-GR
C33
1uF
R31
33
R27
12K
R28
2.2M
R17
27K
C29
1uF
Q2
2SC2712-GR
R24
10K
R26
100K
R21
33
C26
10nF
R3
0
1%
C3
470pF
C8
470pF
R12
0
1%
R6
10K
FB1
1K5 ohm
FB2
1K5 ohm
TP1
TP3
R9
10K
C2
100pF
50V
C12
100pF
50V
TP2
R10
330
R11
3.3K
TP5
L1
1K ohm
74279266
C16
NC
C21
NC
C30
NC
C36
NC
D1
BAT54CT-7
R13
1M
C35
NC
0603
5%
VA
PCM_CLK
PCM_SYNC
PCM_IN
ADC_RESET
VD
3V3_ADC
5V_ADC
VD
3V3_ADC
V_OPA
SPK_R_N
SPK_R_P
SPK_L_N
SPK_L_P
AUX_LIN
AUDIO_DET
AUX_RIN
AUX_LIN
AUX_RIN
BIAS_BT
AUX_JACK_LEFT
AUX_JACK_RIGHT
MCU_3V3
MCU_3V3
AUDIO_RN
AUDIO_LN
AUDIO_RP
AUDIO_LP
SCHEMATICS DIAGRAM - MAIN BOARD_ AUX IN PART
A
D
C
B
1
6
A
B
C
D
2
3
5
4
2x2 ohm/8W
2x2 ohm/8W
R_SPK_TOP
R_SPK_BOT
L_SPK_TOP
L_SPK_BOT
C82
220nF
C88
220nF
C90
220nF
C94
220nF
C79
1uF
C85
1uF
C92
1uF
C95
1uF
C80
1nF
C86
1nF
C93
1nF
C96
1nF
R111
3.3
R112
3.3
R115
3.3
R116
3.3
C81
10nF
C87
10nF
C91
10nF
C97
10nF
C77
10uF
25V
C76
100nF
C75
1nF
C102
10uF
25V
C100
1nF
1 B
2
E
3
C
Q7
LMBT3904LT1
C78
100nF
R109
100K
R113
100K
R114
20K
C89
1uF
R117
100K
R108
3.3
C74
100nF
R110
10K
R-
L-
TP40
TP38
TP39
TP41
TP42
TP43
TP44
C101
100nF
1
MODSEL
2
SDZ
3
FAULTZ
4
RINP
5
RINN
6
PLIMIT
7
GVDD
8
GAIN/SLV
9
GND
10
LINP
11
LINN
12
MUTE
13
AM2
14
AM1
15
AM0
16
SYNC
17
AVCC
18
PVCC
19
PVCC
20
BSNL
21
OUTNL
22
GND
23
OUTPL
24
BSPL
25
GND
26
BSNR
27
OUTNR
28
GND
29
OUTPR
30
BSPR
31
PVCC
32
PVCC
33
PAD
U10
TPA3130D2DAPR
L+
R+
L10
8.2uH
1
2
2
J2
1
2
2
J10
1
2
2
J3
1
2
2
J11
C167
33uF
33uF
25V
L11
8.2uH
L12
8.2uH
L13
8.2uH
C168
33uF
25V
C83
0
0402
1%
C98
0
0402
1%
C84
0
0402
1%
C99
0
0402
1%
V_AMP_10V
V_AMP_10V
V_AMP_10V
AUDIO_RP
AUDIO_LP
AMP_MUTE
SD_AMP
AUDIO_RN
AUDIO_LN
SCHEMATICS DIAGRAM - MAIN BOARD_ AMP PART
LAYOUT DIAGRAM - MAIN BOARD _ TOP VIEW
LAYOUT DIAGRAM - MAIN BOARD _ BOTTOM VIEW
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