Read Harman Kardon ESQUIRE 2 Service Manual 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
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