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

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

16.4.4. Main Board(4)

1
A
TO OPE
B
CN515
L510
1
KSTART
15BD102
2
KTXD
J180p
C557
3
KSCLK
4
OPERST
+5VD
5
GND
6
5V
7
3.3V
8
BUZZER
C
D
TO CIS
12
SIG
11
DG
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
R559 15BD102 1:2D
KTXD
R560 180 1:2D
KSCLK
R561 1k 1:2D
OPERST
+3.3V
R398 0 1:2C;6:3E
( ) DAOUT
+3.3V
LVIN
Q518
R519 10k
1:4A
R521 47
RESOLUTION
Q517
C
B
E
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
R552
1:4B
NCCDON
1k
+5VD
IC503
20 1
VINP AGND2
19 2
VRLC/VB DVDD1
18 3
VRX VSMP
17 4
VRT MCLK
16 5
VRB DGND
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
R550 C
E
R544
B
330
330
E
L504
R553
1
180
3 4
364
+3.3V
CN514
1-292161-1
S3.3V
+24VA
C626
Z0.1u(1608)
470 R640
470 R643
470 R645
470 R648
470 R649
470 R650
5.6k R621
5.6k R632
TO Option Cassette
+5VD
1:4A
AFEVSMP
+3.3V
1:4A
AFEMCLK
C533
K0.1u
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
2
CCDCLK
KX-MB2515JT MAIN BOARD (No.4) (1/2)
4
1/2 2/4
3/4 4/4
4
-1
@Doub
AP1
1
24V
2
GND
3
OPMA
4
OPMXA
5
OPMB
6
OPMPWR
7
OPRST
8
SNOPF
9
OPPAPER
10 OPPICK
11 3.3V