Main Board(4) - Panasonic DP-MB310EU Service Manual

KX-MB2230EU/ KX-MB2270EU/ KX-MB2515EU/ KX-MB2545EU/ KX-MB2575EU/ DP-MB310EU

16.3.4. Main Board(4)

1
A
TO OPE
CN515
15BD102
1 L510
KSTART
2
KTXD
B
3
KSCLK
C557 J180p
4
OPERST
+5VD
5
GND
6
5V
7
3.3V
R398
8
BUZZER
292161-8
C
TO CIS
12
SIG
11
DG
D
10
3.3V
9
VREF
8
CNT
7
SI
6
DG
5
CLK
4
VLED
3
G
2
R
1
B
CN513
E
F
2
+3.3V
R563 100 1:2D
KSTART
15BD102
R559 1:2D
KTXD
R560 180 1:2D
KSCLK
R561 1k 1:2D
OPERST
+3.3V
NC 1:2C;6:3E
( )
DAOUT
+3.3V
LVIN
Q518
R519 10k
1:4A
R521 47
RESOLUTION
Q517
C
R550
B
330
E
3
1:2E NC (
OPMA
1:2E NC (
OPMXA/OPSEN
1:2E
OPMB
1:2F
OPMPWR
1:2F
OPRST
1:1F
SNOPF
1:4E
OPPAPER
1:4F
OPPICK
R552
1:4B
NCCDON
1k
+5VD
+5VD
IC503
20 1
VINP AGND2
19 2
VRLC/VB DVDD1
18 3
VRX VSMP
+3.3V
17 4
VRT MCLK
C533
16 5
VRB DGND
K0.1u
15 6
AGND1 SEN
14 7
AVDD DVDD2
13 8
OP3/SDO SDI
12 9
OP2 SCK
11 10
OP1 OP0
Q514
C
B
Q516
C
E
R544
B
330
E
L504
R553
1 2
180
3 4
360
4
+3.3V
CN514
NC
S3.3V
+24VA
AP1
C626
1
( )
24V
NC
2
GND
R640
3
)
OPMA
R643
4
) OPMXA
NC ( R645
5
)
OPMB
NC ( R648
6
) OPMPWR
4.7k R649
7
OPRST
4.7k R650
8
SNOPF
NC ( R621
9
)
OPPAPER
NC ( R632
10 OPPICK
)
11 3.3V
TO Option Cassette
1:4A
AFEVSMP
1:4A
AFEMCLK
1:4B
AFESIFEN
1:4B
AFESIFDOUT
1:4B
AFESIFCLK
1:4B
AFEADC[0-3]
R541
1:4B
LEDONG
330
1:4B
LEDONR
1:4B
LEDONB
1:4A
CCDSH
1:4A
CCDCLK
KX-MB2270EU MAIN BOARD (No.4) (1/2)
1/2 2/4
3/4 4/4
4
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