47
KX-DT543/KX-DT543-B/KX-DT546/KX-DT546-B
SIGN2741
LED+
LED-
LCD_BL
TP_LED-
DG
LCD_PWR
AGND
DG
AGND
AGND
AGND
AGND
MICP
SPP
AGND
HSMICINN
AGND
SP2
MIP
AGND
SPN
HSMICINP
MIC1
DG
HSSPOUTP
AGND
AGND
AGND
MICBIAS
AGND
AGND
SP1
SPP
AGND
MICBIAS
SPN
AGND
MIC2
MIN
MICN
AGND
AGND
AGND
C500
1000p
50
C501
0.01u
16
C504
1000p
50
C503
NC
C507
NC
C502
330p
50
C506
330p
50
C515
NC
C516
NC
C517
NC
R517
220
R518
220
R519
2.2k
R520
2.2k
C521
NC
C522
NC
C523
NC
C524
NC
C526
NC
C527
NC
C528
NC
C530
33p
50
C531
NC
C532
NC
C534
NC
C535
NC
C537
NC
C538
NC
R534
2.2k
R535
2.2k
R532
220
R533
220
C536
NC
DG
DG
DG
DG
G
D
G
D
DG
DG
DG
D500
NC
D501
NC
D530
NC
D531
NC
D515
NC
D516
NC
D517
NC
R501
0
R502
0
Q460
HSMIP
HSMIN
HSSPOUT
R568
0
C582
NC
C583
NC
DG
C584
NC
DG
C585
NC
C586
NC
C587
NC
C588
NC
DG
VCCA33
DG
VCC33
JK501
1
2
3
4
5
L463
L464
L465
R564
330 C570
10u
6.3
C518
220p
C513
0.1u
50
C514
0.1u
50
R515
3.3k
R516
3.3k
R565
330
C569
10u
6.3
C540
0.1u
50
C541
0.1u
50
R530
3.3k
R531
3.3k
C525
3300p
C519
22u
6.3
C520
22u
6.3
R574
0
NC
DG
R463
100
LCD + Backlit
Handset Jack
DG
KX-DT543/KX-DT546 MAIN BOARD No.2 (2/2)