Main Board(4) - Panasonic KX-MB2230JT Service Manual

KX-MB2230JT/ KX-MB2270JT/ KX-MB2515JT/ KX-MB2545JT/ KX-MB2575JT/ DP-MB310JT

16.5.4. Main Board(4)

1
A
TO OPE
CN515
L510
1
KSTART
15BD102
2
KTXD
B
3
KSCLK
C557 J180p
4
OPERST
5
GND
6
5V
7
3.3V
8
BUZZER
C
D
E
F
2
+3.3V
R563 1:2D
100
KSTART
R559 15BD102 1:2D
KTXD
R560 1:2D
180
KSCLK
R561 1k 1:2D
OPERST
+5VD
+3.3V
NC 1:2C;6:3E
R398
( ) DAOUT
LVIN
TO CIS
12
SIG
11
DG
10
3.3V
9
VREF
R519 10k
8
1:4A
CNT
R521 47
RESOLUTION
7
SI
6
DG
5
CLK
4
VLED
3
G
2
R
1
B
CN513
3
1:2E
OPMA
1:2E
OPMXA/OPSEN
1:2E
OPMB
1:2F
OPMPWR
1:2F
OPRST
1:1F
SNOPF
1:4E
OPPAPER
1:4F
OPPICK
+3.3V
R552
Q518
1:4B
NCCDON
1k
+5VD
IC503
20
VINP
19
VRLC/VB
18
VRX
17
VRT
16
VRB
15
AGND1
14
AVDD
13
OP3/SDO
12
OP2
11
OP1
Q517
C
R550 C Q516
B
R544
B 330
330
E
E
R553
180
378
+3.3V
CN514
1-292161-1
S3.3V
+24VA
AP1
C626
Z0.1u(1608)
470 R640
470 R643
470 R645
470 R648
470 R649
470 R650
5.6k R621
5.6k R632
10 OPPICK
11 3.3V
TO Option Cassette
+5VD
1
AGND2
2
DVDD1
1:4A
3
VSMP AFEVSMP
+3.3V
1:4A
4
MCLK AFEMCLK
C533
5
DGND
K0.1u
1:4B
6
SEN AFESIFEN
7
DVDD2
1:4B
8
SDI AFESIFDOUT
1:4B
9
SCK AFESIFCLK
10
OP0
1:4B
AFEADC[0-3]
C
Q514
R541
B
1:4B
LEDONG
330
E
1:4B
LEDONR
1:4B
LEDONB
1:4A
CCDSH
L504
1:4A
1 2
CCDCLK
4
3
KX-MB2545JT MAIN BOARD (No.4) (1/2)
4
1/2 2/4
3/4 4/4
4
-1
1
24V
2
GND
3
OPMA
4
OPMXA
5
OPMB
6
OPMPWR
7
OPRST
8
SNOPF
9
OPPAPER