Schematic Diagram; Main No.1 - Panasonic KX-DT543-B Service Manual

KX-DT543/KX-DT543-B/KX-DT546/KX-DT546-B

11 Schematic Diagram

11.1. Main No.1

(9) IC300(ASIC1) -IC410(DCX81) signal (SPI2)
CK4M
VCC33
R334
13 CK4M
14 VSS2
15 GPIO0
16 VSS3
C323 0.1u
17 GPIO1
C327 1000p
18 GPIO2
19 VDD1
20 GPIO3
GPIO3
21 DVRL
22 DDR
23 DVRH
24 NC1
GPIO4
DG
R571
R572
R573
DG
(10) IC300(ASIC1) - IC410(DCX81) signal (PCM)
(8) IC300(ASIC1) - IC410(DCX81) signal (Reset)
RESET
DG
(11) DPT - PBX signal (Receiving signals)
48
DDX1
47
DDX0
46
STEST1
45
STEST0
44
C326 0.1u
NC3
43
VDD3 INTN
C329
42
VSS7
41
1000p
INTN
40
VSS6
39
OSO
38
OSI
37
VSS5
DG
R324 820 C383
7p
DG
C382
7p
DG
(4) Clock (IC300:ASIC1) 16.384MHz
(16) DXDP signal (Receiving signals)
C573 0
C572 0
C563 0
C564 0
NC
C565 0
NC NC
C566
C567 0
0
R562 NC
R561 NC
AGND DG AGND
PG
KX-DT543/KX-DT546 MAIN BOARD NO.1 (1/2)
44
(1)
(2)
(3)
(4)
(5)
(6)
(7)
(8)
(9)
(10)
(11)
(12)
DG