Panasonic KX-NT511PRUW / KX-NT511PRUB (serv.man2) Service Manual / Supplement ▷ View online
KX-NT511PRUW/KX-NT511PRUB
9
1.3. TROUBLESHOOTING GUIDE
1.3.1. No Operation
1.3.1.1 Power Supply : AC Adaptor
Changed from the Original Service Manual Section 9.1.2.
Yes
No
Related parts: JK700, F700, L704, C739, C756,
D707, D705, IC701-704, C733,
C727, C717, C747, C759-761,
C754
Check the soldering.
Resolder or replace parts as needed.
Measure the voltage at TP:DCIN1.
Is it about 9V?
GO TO A
Note:
Refer to waveform (1) and (2) Waveform (P.44) .
1.3.1.2 Power Supply : PoE
Changed from the Original Service Manual Section 9.1.3.
GO TO A
Yes
No
Related parts: JK2, T2, L411-L414, R403,
R404, R202, R204, C426, C427,
C255, C256, C202, D401, D402
Measure the voltage between Pin + and - of D401.
Is it about 48V?
Measure the voltage at TP5V.
Is it 5V?
Measure the voltage at TP 3.3V.
Is it 3.3V?
Related parts: IC401, F401, L415, D403, C401
Related parts: IC401, Q401, D406, L417, R418,
R416, R417, R414, R415, C406,
R411-R413, C412, C411, C402,
C403
No
No
Yes
Yes
Measure the voltage between Pin 7 and 8 of IC401.
Is it about 48V?
Confirm the waveform of PoE Swiching Regulator
signal at Pin(Gate) of Q401.
See the communication waveform(15).
Yes
No
No
Measure the voltage at TP:8V(8V).
Is it about 8V?
Related parts: D408, L418, C425, R420, R421,
R422, R419, C415, C423, C422
C421, C420, C419, C418, C417,
IC202
No
10
KX-NT511PRUW/KX-NT511PRUB
Note:
Refer to waveform
(1) and (2) Waveform (P.44) .
Yes
END
No
Measure the voltage at TP5V.
Is it 5V?
Measure the voltage at TP 3.3V.
Is it 3.3V?
Yes
Related parts: R233,R241,D211,C236,C239
Check the soldering.
Resolder or replace parts as needes.
Related parts: IC202,R234-R239,C235,C237,
C243,C241,C245,C247,C249,
C251,C253,L211
No
No
Yes
Measure the voltage at TP 5V.
Is it 5V?
Measure the voltage at TP 3.3V.
Is it 3.3V?
Yes
No
No
Yes
Yes
Yes
Measure the voltage at TP CL±VDD1.8V.
Is it 1.8V?
Measure the voltage at TP CL±VDD1.2V.
Is it 1.2V?
Yes
Related parts: IC302,C304,C305,C344
Related parts: IC302,L307,C303
No
No
Yes
Confirm the waveform of reset signal at
TP PWR_RST.
See the communication waveform(1)*.
Measure the frequency of clock signal at
Pin 1 of X1
is it 25MHz?
See the communication waveform(2)*.
Yes
Related parts: IC301,R305,R306,C326-C328
Related parts: X1,C101,C102,R110,R111,IC302
No
No
Yes
Recheck the TEST POINT(ST0-ST3).
See Table-1. (P.19)
Is it "NOT Error (No.14)" ?
Related parts: See Table-2(P.20) to
Table-5(P.2 ).
No
Yes
Confirm the LCD display.
Is it sorking?
Related parts:
See 9.2 LCD Does Not Operate.(P.2 )
RA110,L103,C129,C130,C131,
C132,C133,C134,C135,R140,
R141,R142,R143,R145,Q106,
CN2,LCD Module
*
1
Each IC302 has its own MAC address.
When replacing the PCB1, remove the former
MAC address label from the bottom of the unit
and affix the included label which indicates the
new MAC address.
A
KX-NT511PRUW/KX-NT511PRUB
11
1.3.1.3 Table-1: PORT OUTPUT at ERROR
Changed from the Original Service Manual Section 9.1.4.
The error result is output to a port of IC501 at error. Check the Test Point ST3,ST2,ST1 and ST0.
See below for the output contents.
RA101
LF206
L302
L303
L304
L307
C303
C329
L207
C375
C376
CN1
X1
R202
IC302
27
1
22
RA102
RA103
RA106
RA107
RA110
L301
R146
T1
2014/09/03
A
PNLB2311X
C201
C213
C222
T2
L208
L209
R201
1
28
L101
C113
C130 C131 C132
C133
IC102
54
R233
R239 R240
R241
RA108
RA109
C230
C231
C236
Q106
D210
D211
C135
L210
L211
USB_G
USB_N
USB_P
USB_V
3.0A
R235
C235
C237
C238
C241
C243
C247
F1
IC202
C369
+
-
+
-
+
+
+
-
-
-
Remarks: H=3.3V, L=0V
No.
Error
Code
Test Point
Error Item
Check Point
Related Point.
ST3
ST2
ST1
ST0
1
0x0
L
L
L
L
NO Power
External Power supply
• TP5V
• 3.3V Power supply circuit
Internal Power supply
• 1.8V Power supply circuit
• 1.2V Power supply circuit
Xtal (X1)
See Table-2
2
0xF
H
H
H
H
Boot Error
BBIC(IC302), Flash(IC103)
See Table-3
3
0x2
L
L
H
L
Flash Starting Error
Flash(IC103) or its peripheral cir-
cuit
See Table-3
4
0x4
L
H
L
L
IPL Load Error
Flash(IC103) or its peripheral cir-
cuit
See Table-3
5
0x5
L
H
L
H
SDRAM Error
SDRAM(IC102) or its peripheral
circuit
See Table-4
6
0x6
L
H
H
L
DSP Boot Error
BBIC(IC302) or its peripheral circuit
7
0xA
H
L
H
L
-
-
-
8
0x1
L
L
L
H
Flash Data Starting Error
Flash(IC103) or its peripheral cir-
cuit
See Table-3
9
0x3
L
L
H
H
Flash Adjustment Data
Option Setting Error
Adjustment data error (Option)
10
0x9
H
L
L
H
-
-
-
11
0xB
H
L
H
H
L2SW Initialization Error
L2SW(IC201) or its peripheral cir-
cuit
See Table-5
12
0xC
H
H
L
L
-
-
-
13
0x7
L
H
H
H
-
-
-
14
0x7
H
H
H
L
Not Error
-
-
IC302
ST1
ST0
ST2
ST3
12
KX-NT511PRUW/KX-NT511PRUB
Table-2
No.1
No Power(VCC5V, VDD33V, VDD18V, VDD12V) Error
[Check Points]
Measure the voltage at C324. Is it 3.3V?
Measure the voltage at C304. Is it 1.8V?
Measure the voltage at C303. Is it 1.2V?
[Related Parts]
3.3V : C301,C302,C305,C323,C324,C337-C343,L308
1.2V : C303,C310-C322,C325,C331-C336,L309
1.8V : C304,C306,C344
Recheck 9.1.2.(Power Supply)
[Related Circuit]
3.3V
VDD3.3V
VDD3.3V
1.8V 1.2V
VDD1.8V
VDD1.2V
R309
IC302
VDD3.3V
3.3V
L308
L307
Table-3
Note:
Refer to waveform
(4) in Waveform (P.44) .
No. 2,3,4,8
BOOT Error/Flash ROM Data Error
[Check Points]
Measure the voltage at C124(Between 3.3V and DGND).
Is it 3.3V?
[Related Parts]
IC103,C122-C125,L102,RA111,RA112,R132,R133
[Related Circuit]
NFLRD
NFLCLE
NFLCLE
NFLREADY
NFLREADY
NFLCS0
NFLCS0
NFLALE
NFLALE
NFLWR
NFLWR
NFLD[4]
NFLD[5]
NFLD[6]
NFLD[7]
NFLD[3]
NFLD[2]
NFLD[1]
NFLD[0]
NFLD[2]
NFLD[1]
NFLD[0]
C125
DGND
3.3V
L102
DGND
C124
C123
C122
DGND
R133
R132
R137
R136
IC103
1
NC1
2
NC2
46
NC27
47
NC28
3
NC3
48
NC29
4
NC4
45
NC26
5
NC5
44
I/O7
6
NC6
43
I/O6
7
R/*B
42
I/O5
8
*RE
41
I/O4
9
*CE
40
NC25
10
NC7
39
NC24
11
NC8
38
NC23
12
VCC1
37
VCC2
13
VSS1
36
VSS2
14
NC9
35
NC22
15
NC10
34
NC21
16
CLE
33
NC20
17
ALE
32
I/O3
18
*WE
31
I/O2
19
*WP
30
I/O1
20
NC11
29
I/O0
21
NC12
28
NC19
22
NC13
27
NC18
23
NC14
26
NC17
24
NC15
25
NC16
R135
R134
RA112
1
8
2
7
3
6
4
5
2
7
RA111
1
8
3
6
4
5
NFLD[0]
NFLD[1]
NFLD[2]
NFLD[3]
NFLD[4]
NFLD[5]
NFLD[6]
NFLD[7]
NFLCS0
NFLALE
NFLCLE
NFLRD
NFLWR
NFLREADY
VDD3.3V
IC302
H3
MEMXD15/LCDD21
G2
MEMXD14/LCDD20
D8
MEMXD13/LCDD19
D1
MEMXD12/LCDD18
B8
MEMXD11/LCDD15
B6
MEMXD10/LCDD14
A7
MEMXD9/LCDD13
D2
MEMXD8/LCDD12
E2
MEMXD7/LCDD11
B7
MEMXD6/LCDD10
F3
MEMXD5/LCDD7
G3
MEMXD4/LCDD6
B5
MEMDQMBLS1/EXTINT5
H4
MEMXD0/LCDD2
F2
MEMXD1/LCDD3
J4
MEMXD2/LCDD4
F4
MEMXD3/LCDD5
A5
MEMDQMBLS0/LCDD17
K5
VDDIO_NFLQSPI
L4
NFLD7
P5
NFLD6
R4
NFLD5
P4
NFLD4
N4
NFLD3
M4
NFLD2
P3
NFLD1
R3
NFLD0
N2
NFLREADY1/
MEMXA22
M3
NFLWR
N3
NFLRD
P1
NFLCLE
P2
NFLALE
R2
NFLCS0
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