Panasonic KX-NT680RU-B Service Manual ▷ View online
29
KX-NT680 Series
Table-1
Note:
Refer to waveform (5),(6) in Waveform (P.53) .
NAND Flash Data Error
[Check Points]
Measure the voltage at C1001,C1033 (between 3.3V and DGND). Is it 3.3V?
See the communication waveform (5),(6)*.
See the communication waveform (5),(6)*.
[Related Parts]
IC1002,IC1001,R1002,R1003,R1030,R1031,R1032,R1033
R1034,RA1001,RA1002,C1001,C1019,C1033
R1034,RA1001,RA1002,C1001,C1019,C1033
[Related Circuit]
IC1001
NFLREADY
NFLCS0
NFLALE
NFLCLE
NFLALE
NFLCLE
NFLRD
NFLWR
NFLWR
NFLD0
NFLD1
NFLD2
NFLD3
NFLD4
NFLD1
NFLD2
NFLD3
NFLD4
NFLD7
NFLD5
NFLD6
NFLD6
VDD3R3V
C1033
R1030
R1031
R1032
R1033
R1034
R1031
R1032
R1033
R1034
RA1001
1
8
7
2
6
3
5
4
DG
N8
VDDIO_NFLQSPI
R6
NFLD7/MEMXA21
W6
NFLD6/QCS1
T7
NFLD5/QCS0
T6
NFLD4/QDQ3
V4
NFLD3/QDQ2
V6
NFLD2/QDQ1
U6
NFLD1/QDQ0
W5
NFLD0/QCLK
R5
NFLREADY1/MEMXA22
U5
NFLWR/MEMXA23
T4
NFLRD/MEMXA24
V5
NFLCLE/MEMXA25
U4
NFLALE/MEMXA17
T5
NFLCS0/MEMXA18
5
4
7
2
RA1002
8
1
6
3
NFLRD
NFLCLE
NFLCS0
NFLALE
NFLWR
NFLWR
NFLD7
NFLD6
NFLD5
NFLD4
NFLD6
NFLD5
NFLD4
NFLD3
NFLD2
NFLD1
NFLD0
NFLD2
NFLD1
NFLD0
NFLREADY
3R3V
R1003
R1002
IC1002
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
C1001
C1019
DG
DG
R1110
C1110
DG
30
KX-NT680 Series
Table-2
Note:
Refer to waveform (7) - (10) in Waveform (P.53, P.54) .
[Check Points]
Measure the voltage at C1002,C1023 (device examples) (between +1.5V and DGND).
Is it 1.5V?
See the communication waveform (7),(8),(9),(10)*.
Is it 1.5V?
See the communication waveform (7),(8),(9),(10)*.
[Related Parts]
IC1003,IC1001,R1001,R1005,R1013,R1014,R1015,R1016
R1017,R1009,R1010,R1007,R1008,R1099,C1002-C1018
C1020-C1027,C1111-C1124
R1017,R1009,R1010,R1007,R1008,R1099,C1002-C1018
C1020-C1027,C1111-C1124
[Related Circuit]
DDR_DA0
DDR_DA1
DDR_DA2
DDR_DA3
DDR_DA4
DDR_DA5
DDR_DA6
DDR_DA7
DDR_DA8
DDR_DA9
DDR_DA10
DDR_DA11
DDR_DA12
DDR_DA1
DDR_DA2
DDR_DA3
DDR_DA4
DDR_DA5
DDR_DA6
DDR_DA7
DDR_DA8
DDR_DA9
DDR_DA10
DDR_DA11
DDR_DA12
DDR_CS0
DDR_WE
DDR_RAS
DDR_CAS
DDR_RAS
DDR_CAS
DDR_CKE
DDR_BA0
DDR_BA1
DDR_BA2
DDR_BA1
DDR_BA2
DDR_DQ0
DDR_DQ1
DDR_DQ2
DDR_DQ3
DDR_DQ4
DDR_DQ5
DDR_DQ6
DDR_DQ7
DDR_DQ1
DDR_DQ2
DDR_DQ3
DDR_DQ4
DDR_DQ5
DDR_DQ6
DDR_DQ7
DDR_LDQS
DDR_LDQS_N
DDR_DQ8
DDR_DQ9
DDR_DQ10
DDR_DQ11
DDR_DQ12
DDR_DQ13
DDR_DQ14
DDR_DQ15
DDR_UDM
DDR_UDQS
DDR_DQ8
DDR_DQ9
DDR_DQ10
DDR_DQ11
DDR_DQ12
DDR_DQ13
DDR_DQ14
DDR_DQ15
DDR_UDM
DDR_UDQS
DDR_UDQS_N
DDR_DQ0
DDR_DQ1
DDR_DQ2
DDR_DQ3
DDR_DQ4
DDR_DQ5
DDR_DQ6
DDR_DQ7
DDR_DQ8
DDR_DQ9
DDR_DQ10
DDR_DQ11
DDR_DQ12
DDR_DQ13
DDR_DQ14
DDR_DQ15
DDR_DQ1
DDR_DQ2
DDR_DQ3
DDR_DQ4
DDR_DQ5
DDR_DQ6
DDR_DQ7
DDR_DQ8
DDR_DQ9
DDR_DQ10
DDR_DQ11
DDR_DQ12
DDR_DQ13
DDR_DQ14
DDR_DQ15
DDR_DA0
DDR_DA1
DDR_DA2
DDR_DA3
DDR_DA4
DDR_DA5
DDR_DA6
DDR_DA7
DDR_DA8
DDR_DA9
DDR_DA10
DDR_DA11
DDR_DA12
DDR_DA1
DDR_DA2
DDR_DA3
DDR_DA4
DDR_DA5
DDR_DA6
DDR_DA7
DDR_DA8
DDR_DA9
DDR_DA10
DDR_DA11
DDR_DA12
DDR_BA0
DDR_CS0
DDR_LDM
DDR_ODT
DDR_BA1
DDR_RAS
DDR_CAS
DDR_WE
DDR_CAS
DDR_WE
DDR_LDQS_N
DDR_LDQS
DDR_UDQS
DDR_UDQS_N
DDR_UDQS_N
DDR_BA2
DDR_DA13
DDR_CKE
DDR_RST
DDR_ODT
DDR_UDM
DDR_LDM
DDR_DA14
DDR_RST
DDR_DA13
DDR_CLK0
DDR_CLK0_N
DDR_CLK0
DDR_CLK0_N
DDR_CLK0_N
R1015
R1016
R1017
R1016
R1017
C1023
C1024
C1025
C1026
C1027
C1024
C1025
C1026
C1027
C1021
C1020
C1002
C1003
C1004
C1005
C1003
C1004
C1005
C1007
C1008
C1009
C1010
C1008
C1009
C1010
C1011
C1012
C1013
C1014
C1015
C1016
C1012
C1013
C1014
C1015
C1016
C1018
C1017
1R5V
1R5V
1R5V
C1022
R1009
R1014
R1013
R1010
R1007
R1008
C1006
DG
DG
DG
DG
DG
DG
DG
IC1003
A0
N3
A1
P7
A2
P3
A3
N2
A4
P8
A5
P2
A6
R8
A7
R2
A8
T8
A9
R3
A10/AP
L7
A11
R7
A12/*BC
N7
NC3
L1
NC1
J1
NC2
J9
BA0
M2
BA1
N8
BA2
M3
*CS
L2
*RAS
J3
*CAS
K3
*WE
L3
*RESET
T2
ZQ
L8
ODT
K1
*CK
K7
CK
J7
CKE
K9
DML
E7
DMU
D3
NC4
L9
DQL0
E3
DQL1
F7
DQL2
F2
DQL3
F8
DQL4
H3
DQL5
H8
DQL6
G2
DQL7
H7
DQU0
D7
DQU1
C3
DQU2
C8
DQU3
C2
DQU4
A7
DQU5
A2
DQU6
B8
DQU7
A3
DQSL
F3
*DQSL
G3
DQSU
C7
*DQSU
B7
VDD1
B2
VDD2
D9
VDD3
G7
VDD4
K2
VDD5
K8
VDD6
N1
VDD7
N9
VDD8
R1
VDD9
R9
VDDQ1
A1
VDDQ2
A8
VDDQ3
C1
VDDQ4
C9
VDDQ5
D2
VDDQ6
E9
VDDQ7
F1
VDDQ8
H2
VDDQ9
H9
VREFCA
M8
VREFDQ
H1
VSS1
A9
VSS2
B3
VSS3
E1
VSS4
G8
VSS5
J2
VSS6
J8
VSS7
M1
VSS8
M9
VSS9
P1
VSS10
P9
VSS11
T1
VSS12
T9
VSSQ1
B1
VSSQ2
B9
VSSQ3
D1
NC5
M7
A13
T3
NC6
T7
VSSQ4
D8
VSSQ5
E2
VSSQ6
E8
VSSQ7
F9
VSSQ8
G1
VSSQ9
G9
R1001
R1098
DG
R1099
C1063
C1064
C1065
C1064
C1065
R1005
IC1001
D9
*DDRRST
C10
DDRCS0
B11
DDRCS1
A14
*DDRWE
B13
*DDRRAS
B12
*DDRCAS
D11
DDRBA0
B14
DDRBA1
C13
DDRBA2
B15
DDRA0
C12
DDRA1
C14
DDRA2
B16
DDRA3
D13
DDRA4
C15
DDRA5
B17
DDRA6
A19
DDRA7
C16
DDRA8
D14
DDRA9
B18
DDRA10
D15
DDRA11
C17
DDRA12
D16
DDRA13
B19
DDRA14
D10
DDRCKE
A13
DDRCKELP
A17
DDRCLK0
A18
DDRCLK0_N
A15
DDRCLK1
A16
DDRCLK1_N
A7
DDRDQ0
B7
DDRDQ1
B8
DDRDQ2
C8
DDRDQ3
B9
DDRDQ4
A10
DDRDQ5
C9
DDRDQ6
B10
DDRDQ7
D8
DDRDM0
A9
DDRDQS0
A8
DDRDQS0_N
B4
DDRDQ8
D5
DDRDQ9
C5
DDRDQ10
B5
DDRDQ11
C6
DDRDQ12
D6
DDRDQ13
C7
DDRDQ14
D7
DDRDQ15
B6
DDRDM1
A6
DDRDQS1
A5
DDRDQS1_N
E16
DDRPADHI
E14
DDRPADLO
C4
DDR_RTT
A12
DDRODT0
C11
DDRODT1
C18
DDR_REF0
A11
DDR_REF1
A4
DDR_REF2
E7
VDDIO_DDR1
E10
VDDIO_DDR2
F5
VDDIO_DDR3
F6
VDDIO_DDR4
F7
VDDIO_DDR5
F8
VDDIO_DDR6
F9
VDDIO_DDR7
F10
VDDIO_DDR8
G11
VDDIO_DDR9
DG
C1111
C1112
C1113
C1114
C1115
C1116
C1117
C1118
C1119
C1120
C1112
C1113
C1114
C1115
C1116
C1117
C1118
C1119
C1120
C1121
C1123
C1122
C1124
DG
DDR_DA14
R1006
R1011
R1012
R1004
R1111
DG
C1028
C1029
31
KX-NT680 Series
9.2.
Color LCD Does Not Operate
9.2.1.
Color LCD Not Operate
Note:
Refer to waveform (11),(12),(13),(14) in Waveform (P.54) .
Yes
No
No
Yes
END
Measure the voltage at Pin4 of CN6001.
Is it 3.3V?
Is it 3.3V?
Confirm the LCD display.
Is it working?
Is it working?
Related parts: CN6001,L6001,C6005,C6006
Related parts: CN6001, Color LCD Module.
No
Confirm the waveform Pin5-28,30,32,33,34 of
CN6001.
See the communication waveform(11),(12),(13),(14)*.
and LCD_EN (pin31 of CN6001) is Hi?
CN6001.
See the communication waveform(11),(12),(13),(14)*.
and LCD_EN (pin31 of CN6001) is Hi?
Related parts: L6001,C6005,C6006,C6010-C6014,
C6017-C6022,C6026-C6034,
RA1005-RA1008,R1100-R1102,R1117,
R1118,R1121,R1112,R1122-R1124,
R1131,R1132,R1116,L1003
RA1005-RA1008,R1100-R1102,R1117,
R1118,R1121,R1112,R1122-R1124,
R1131,R1132,R1116,L1003
Yes
Check the soldering.
Resolder or replace parts as needed.
Resolder or replace parts as needed.
32
KX-NT680 Series
9.3.
Handset Does Not work
9.3.1.
Receive
9.3.2.
Send
Yes
No
Confirm the Handset communication.
Can it hear any sound from handset speaker?
Can it hear any sound from handset speaker?
No
Yes
END
Related parts: L4003,L4004,D4008,D4009,
R4031,R4032,JK4002
Confirm the Handset communication.
Can it hear any sound from handset speaker?
Can it hear any sound from handset speaker?
Related parts: Handset, Curl cord
Check the soldering.
Resolder or replace parts as needed.
Resolder or replace parts as needed.
*Please refer to 10.4 Assembly for Lead wire.
No
Confirm the Handset Communication.
Can it hear any sound from handset microphone?
Can it hear any sound from handset microphone?
Yes
Yes
No
END
Related parts: Handset, Curl cord
Related parts: R4005,R4006,D4006,D4007,R4007,
R4008,R4011,C4021,R4012,R4013,
R4014,R4015,C4022,C4023,C4026,
C4027,R4024,C4036,C4042,JK4002
R4014,R4015,C4022,C4023,C4026,
C4027,R4024,C4036,C4042,JK4002
Confirm the Handset Communication.
Can it hear any sound from handset microphone?
Can it hear any sound from handset microphone?
Check the soldering.
Resolder or replace parts as needed.
Resolder or replace parts as needed.
*Please refer to 10.4 Assembly for Lead wire.
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