Panasonic DP-MB310EU Service Manual page 354

KX-MB2230EU/ KX-MB2270EU/ KX-MB2515EU/ KX-MB2545EU/ KX-MB2575EU/ DP-MB310EU
1
H
I
To IC chip
NC
CN502
1
CHIP
J 2
GND
I2C Expander
K
IC302
C356
1
VCCI
K0.1u
2
ADDR
7E;8E;2:5C
3
XSYSRST
*RESET
3:8D
4
SNPICK
P0
3:8E
5
SNMPT
P1
4:4B
6
SNOPF
P2
3:2F
7
LDPWR
P3
8
GND
L
M
2
2:1E
NSDCS1
3:6E;2:4E
SPTCS
R425 82
3:3F
VIDEOCLK
4:3B 15AG102
KSTART
+3.3V
4:3B 15AG102
KTXD
4:3B 15AG102
KSCLK
4:3B 15AG102
OPERST
6:4E
CNGMUTE
3:3E
SPTRST
3:8C
SNSWBK
6:7E
SPMUTE
2B;6:1B
RING
UTXD3
6:8E
HOOK
3:3B
URXD3 24VMON
3:8D
CLK
3:8D
SS
3:8D
LD
3:8D
BLAKE
4:4B
OPMA
4:4B
OPMXA/OPSEN
4:4B
OPMB
5:2B
PWRDWN2
4:6D
CRM0
4:6D
CRM1
4:6E
CRM2
4:6E
CRM3
4:6D
CRM4
4:6D
CRM5
4:6D
ADFMEN
+3.3V 4:6D
CRMEN
3:3F
VIDEOEN
3:2B
PWRDWN1
6:1C
AINT
6:6E
HSSPMUTE
3:2E
NLDEN
3:3F
NAPC
16
VCCP
33
R853
15
SDA
6:6B
33
R854
EXTRLY
14
SCL
13
*INT
4:4B
OPMPWR
4:4B
12
OPRST
P7 4:6E
PWD
3:2B 3:3A
11
OPCFUSECUT HTRCTL
P6
3:2C
10
TNRFUSECUT
P5
3:2F
9
POLON
P4
3
IC300
A10 H23
PIO26 PIO0
T24 J23
PIO27 PIO1
15BA220 L356
T25 J24
PIO28 PIO2
L345
T26 J25
UARTTX
PIO29 PIO3
L347
U24 J26
PIO30 PIO4
L344
U25 K23
PIO31 PIO5
L346
U26 K24
PIO32 PIO6
V24 K25
PIO33 PIO7
V25 K26
PIO34 PIO8
V26 L24
PIO35 PIO9
W24 L25
PIO36 PIO10
W25 L26
PIO37 PIO11
B24 M23
PIO38 PIO12
A25 M24
PIO39 PIO13
B26 M25
PIO40 PIO14
C25 M26
PIO41 PIO15
C26 N24
PIO42 PIO16
D24 N25
PIO43 PIO17
D25 N26
PIO44 PIO18
D26 P24
PIO45 PIO20
E26 P25
PIO46 PIO21
F24 P26
PIO47 PIO22
F25 R24
PIO48 PIO23
F26 R25
UARTRX
PIO49 PIO24
15AG102
B21 R26
PIO50 PIO25
R399
A21
PIO51
C22 AF22
PIO52 PSCIO0
B22 AD23
PIO53 PSCIO1
A22 AE23
PIO54 PSCIO2
B23 AF23
PIO55 PSCIO3
A23 AF24
PIO56 PSCIO4
A24 AE26
PIO57 PSCIO5
G23 AD25
PIO58 PSCIO6
B10 AD26
PIO59 PSCIO7
G24 AC24
PIO60 PSCIO12
G25 AC25
PIO61 PSCIO13
G26 AC26
PIO62 PSCIO14
H24 AB24
PIO63 PSCIO15
H25 AB25
PIO64 PSCIO16
H26 AB26
PIO65 PSCIO17
L372
P23 AA24
PIO66 PSCIO18
15BD601
AA25
PSCIO19
E24 AA26
MMPWR PSCIO20
E25 Y24
OPMPWR PSCIO21
C23 Y25
CRMPWR PSCIO22
AE22 Y26
HTRCTL PSCIO23
R304
W26
PSCIO24
354
4
3:8C
SNADU
3:3D
HVERR
3:2F
POLCLK
3:3D
CHG
3:3D
DEV
3:3D
TRS
3:8B
FANON1
3:2C
+3.3V
TNR_CNTCT
3:2C
TNR_LIFE
5:2E
SHUTDWN
3:8C
SNRESIST
5:8E
XLANRST
5:3F
PWRSW
4:6C
R360 R361 R362 R363 R364 R365
SNADF
4:7B
LEDCTL
2210
2230
2235
4:6C
SNADFSWBK
3:3F
2270
NVIDEO
3:5C
REARCVR
2275
5:5C
NRST_W +3.3V
2510/5
L365 3:2F
NREADY
2540/5
10k
3:5B
2575
RESIST
3:5A
PICK
3:8B
FANDET1
3:5C
POUT
3:8E
MPT
4:4B
OPPAPER
3:5A
PAPER
3:5A
CSOPEN
3:5B
TNR
4:6B
DOCU
4:6B
RPS
4:6B
ADFJAM
3:8B
FANDET2
3:2E;3:3E
TOPCVR
3:5B
PSTART
4:4B
OPPICK
3:2C
OPC_CNTCT
3:2B
OPC_LIFE
3:5B
ADU
100 3:3F
NHSYNC
KX-MB2270EU MAIN BOARD (No.1) (3/3)
1/4 2/4
3/3
1
-3
[18,17,16]
NC 10K NC 10K NC 10K 000
001
10K NC NC 10K NC 10K
010
NC 10K 10K NC NC 10K
011
10K NC 10K NC NC 10K
100
10K NC
NC 10K NC 10K
10K NC NC 10K 10K NC 101
NC 10K 10K NC 10K NC 110
10K NC 10K NC 10K NC 111