
2-17(No.YA457)
C631
R722
R723
R649
C632
C634
C666
C614
C636
C635
R653
R646
R651
R652
C615
LB_POW
IC601
C643
C686
R643
SDA3A5
D603
D602
R707
CO_RST
SCL3A5
C683
R616
A_MUTE
C654
R650
R655
C664
C665
TALK
D605
D606
R642
R619
C642
C640
R654
C644
R634
C621
C670
R635
C622
Q609
R708
SCL3A
C627
C626
R633
R632
R641
SDA3A
R709
R710
R711
R712
CARD_DA
CARD_CK
D621
R688
R689
R690
R691
R692
C710
R621
C669
R687
R705
R644
C668
C667
C717
IC606
C641
C637
C623
C624
C625
C628
C629
C630
R610
R611
R612
R636
C633
Q604
D751
D607
D608
R609
C608
IC603
C611
R615
R614
R613
C610
C609
R617
R618
C613
C612
R631
Q603
BBOUT
C659
SUB_MUTE
VOL_L
VOL_R
C716
D752
R718
D615
R719
R720
Q614
R724
C638
C657
C649
C650
C646
C647
R693
R694
R695
R696
R697
R698
C639
R647
C653
C660
C662
C661
C663
R640
R639
C655
R751
R703
R699
R706
R752
R700
R701
R702
R704
C648
C651
R638
/10
CB1
NCB11AK-106X
/16
NENA1CM-475X
/16
NENA1CM-475X
CVB
CA1
SDA
SCL
GND
V+
VREF
CO1
TONE_LB
TONE_HB
SUR_FIL2
INB
INA
SUR_FIL1
TONE_HA
TONE_LA
VE1
LP1
AUX
CO2
/16
CB2
/16
/16
MA111-X
MA111-X
/16
/25
MA111-X
/16
/16
/16
/10
M62320FP-X
/16
CB2
/16
CB2
MA111-X
MA111-X
MA111-X
CB1
/16
/25
/16
NEHL1CM-476X
MA111-X
MA111-X
/25
N
/25
/16
/16
/25
/16
N
HBSTA
OUT1A
OUT2A
ADDIN1
CSR
CBB
AGCINT
CVA
CBH
CA2
CTH
CTL
ADDIN2
OUT2B
OUT1B
HBSTB
LP3
VE3
VE2
LP2
BB1
BB2
BB3
BB4
BBFIXOUT
BBAGCINT
BBAGCOUT
ealaBASS
SENSE
/25
/16
/10
/16
/16
/16
/16
/16
CB1
GND
VCC
CB2
CB2
OPEN
22k
68k
10
4.7
100
100
4.7
OPEN
OPEN
OPEN
OPEN
OPEN
.047
33k
1
1
10
4.7
OPEN
OPEN
OPEN
OPEN
OPEN
OPEN
OPEN
56k
1
10K
OPEN
1
1
1
0.18
0.0022
0.018
0.012
0.0022
0.18
100
4.7
47
100k
56k
15k
*2
OPEN
.022
4.7
1
1
4.7
1
OPEN
0
0
0
OPEN
OPEN
0.1
18k
.022
1
2.2
1
1
10
1k
100
OPEN
OPEN
100
100
100
100
1
1
18k
VCC12V
AU_+VCC
GND
BS_A5V
BBOUT
AMP_MUTE
A_MUTE
STB_5V
BS_A5V
GND
GND
VCC12V
GND
GND
SHEET4
SHEET4
SHEET1,3,6
SHEET1,4
SHEET1
ANALOG PWB CIRCUIT DIAGRAM (5/6) SHEET 5
Summary of Contents for I'Art LT-37X987
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