Read Panasonic KX-NT511PRUW / KX-NT511PRUB (serv.man2) Service Manual Supplement online
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Model No.
KX-NT511PRUW
KX-NT511PRUB
White Version
Black Version
(for Russia, Ukraine, Kazakhstan)
Please file and use this supplement manual together with the service manual for Model No. KX-NT511PRUW,
KX-NT511PRUB Order No. KMS1405060CE.
TABLE OF CONTENTS
PAGE
1 CHANGES ......................................................................... 2
1.1. SUBJECT ................................................................ 2
1.2. TECHNICAL DESCRIPTIONS ................................ 3
1.3. TROUBLESHOOTING GUIDE ................................ 9
1.4. DISASSEMBLY AND ASSEMBLY
1.2. TECHNICAL DESCRIPTIONS ................................ 3
1.3. TROUBLESHOOTING GUIDE ................................ 9
1.4. DISASSEMBLY AND ASSEMBLY
INSTRUCTIONS .................................................... 17
1.5. SCHEMATIC DIAGRAM LOCATION ..................... 18
1.6. PRINTED CIRCUIT BOARD .................................. 22
1.7. EXPLODED VIEW AND REPLACEMENT PARTS
1.6. PRINTED CIRCUIT BOARD .................................. 22
1.7. EXPLODED VIEW AND REPLACEMENT PARTS
LIST ....................................................................... 24
ORDER NO. KMS1503016SE
2
KX-NT511PRUW/KX-NT511PRUB
1 CHANGES
1.1. SUBJECT
Main Board of KX-NT511 is changed from PNLB2311ZA to PNLB2311XA displayed on Printed Circuit Board.
LF206
L302
L303
L304
L207
C375
C376
R202
L301
T1
2014/09/03
A
PNLB2311XA
C201
C213
T2
L208
L209
R201
D2
1
L211
USB_G
USB_N
USB_P
USB_V
R235
C235
C237
C238
C241
C243
C247
IC202
+
+
+
-
-
-
USB_G
DGND
USB_N
USB_P
USB_V
R234
R235
R236
R237
R238
R239
C201
C203
R240
C205
C211
C212
C213
LF206
C235
PC1
PC2
C237
PC3
C238
PC4
PC5
SPM
SPP
C241
C243
C245
pcbmark-2
C247
C249
HS_MICM
C251
C253
L301
L302
L303
L304
IC202
HS_SPM
HS_SPP
LAN1
LAN2
LAN3
LAN4
LAN5
R106
R107
PoE1
PoE2
PoE3
HS_MICP
R159
R160
C139
T1
T2
D305
D306
L203
C373
L207
C374
L208
C375
L209
C376
C377
C378
C379
L211
C380
R201
R202
Suffix
Reason for suffix change
A to B
PCB change of Main Board (PNLB2311ZA → PNLB2311XA)
Suffix Location
KX-NT511PRUW/KX-NT511PRUB
3
1.2. TECHNICAL DESCRIPTIONS
Changed from the Original Service Manual Section 4.
1.2.1. Block Diagram
AFE
MII
DSPG DVF9918
GPIO
SDRAM
256Mbyte
Flash
1Gbyte
RJ45 CON
To LAN
10/100BASE-T
Ethernet I/F
TXD[3:0]
CRS
TX_CLK
RX_DV
RX_ER
RX_ER
RXD[3:0]
RX_CLK
COL
PHY_nRST
MDC
MDIO
TX_EN
Audio
LCD module
Ope PCB
LED
LCD_CS
LCD_RST
LCD
HOOK SW
HOOK_DET
Key matrix
SPI(2)
MPMC
+5.5V
DC IN
Power supply
KEY
5 x 5 matrix
LCD_RS
LCD_SCL
LCD_DO
LCD_DO
RSTN
GPIO
Fast
L2 Switch
with PHY
RJ45 CON
To PC
10/100BASE-T
P_0
P_5
P_1
PULSE
Trans
PULSE
Trans
+3.3V
PHY_INT
INT
Handset
HSSPOUT
HSMICIN
+5V
+3.3V
+3.3V
CN
MIC
Speaker
MIP/MIN
SPP/SPN
GPIO
DC/DC
+3.3V
+3.3V
UART(1)
MICBIAS
LED&KEY I/F
Xtal
Xtal
25
MHz
NAND IF
25MHz
MICBIAS
+3.3V
USB(2)
For
TEST
Internal +1.8V
Internal +1.2V
+3.3V
+1.8V
GPIO
10Port
GPIO
CONTRAST
+5V
Reset
LAN PCB
LED PCB
LED
+3.3V
GPIO
CN
CN
Main PCB
+48V
+8V
802.3af
PoE IC
Detect
Voltage
4
KX-NT511PRUW/KX-NT511PRUB
1.2.2
Circuit Operations
1.2.2.1 LCD Circuit
LCD data are output from pin B9 of IC302 to LCD module.
LCD contrast is set by electronic volume(pin A13,C13).
LCD_A0
LCD_CS
LCD_D0
LCD_CLK
LCD_RST
R144
C133
C132
C131
C130
DGND
C129
CN2
1
Vss
2
ResetB
3
V0
4
V1
5
V2
6
V3
7
V4
8
Vss
9
Vdd
10 SCL
11 SI
12 CSB
13 RS
14 Vss
11 SI
12 CSB
13 RS
14 Vss
R145
C134
DGND
3.3V
DGND
R141
C135
DGND
R140
R143
R142
Q106
1
2
3
4
5
DGND
1
8
2
7
RA110
3
6
4
5
LCD_5V
L103
R116
5V
To LCD
IC302
R1
B9
B10
A9
C13
A13
D13
1.2.2.2 Reset Circuit
Reset Signal is output from IC301 and input into IC302-pin L12.
C329
AGND
VDD1.2V
PWR_RST
C328
C330
L12 RSTN
M13 TEST_ANA
K12 VREF
E11 VDD0
G4 VDD1
K9 VDD2
K7 VDD3
K8 VDD4
R305
C326
C327
DGND
DGND
5V
DGND
DGND
VDD3.3V
IC301
1 VSS
2 VDD
3
CD
4
OUT
IC302