DOWNLOAD Panasonic KX-NT680RU-B Service Manual ↓ Size: 6.4 MB | Pages: 70 in PDF or view online for FREE

Model
KX-NT680RU-B
Pages
70
Size
6.4 MB
Type
PDF
Document
Service Manual
Brand
Device
PBX / IP PROPRIETARY TELEPHONE
File
kx-nt680ru-b.pdf
Date
PREV: Panasonic PT-DZ8700U / PT-DS8500U / PT-DW8300U / PT-DZ110XE / PT-DS100XE / PT-DW90XE (serv.man11) Service Manual

Panasonic KX-NT680RU-B Service Manual ▷ View online

57
KX-NT680 Series
12.2.5.
No. (33), (34)
(33) Ethernet port_6
       10BASE-T : T2001/2002 Pin12
(34) LCD back light
        LCD_PWM  :  Pin 4 of IC3005
58
KX-NT680 Series
13 Printed Circuit Board
13.1. Main Board
13.1.1.
Component View
KX-NT680 Component View
12
3
456789
A
BC
D
E
F
G
H
I
123
456
789
REF-2
1
4
3
2
E
E
E
E
E
1
6
E
E
1
8
1
8
E
S
3
2
1
3
5
1
2
4
2
5
1
1
24
25
48
4 A
R3030
R3031
C3059
R3032
R3033
CL_MICM
C3061
C3062
C3067
C3068
C3069
CL_
VDD18V
F3001
SCLK
ANT_BT_Short
C4011
R1109
C4012
C3072
C3073
C4016
C4018
C4019
0
1
DEB
2
BT_MDO
ST_
MAINCLK
3
4
5
C4021
L1002
C4029
PSB_OUT
CL_SPM
CL_SPP
IC4001
+12V
CL_HS_MICM
CL_HS_SPM
CL_HS_SPP
R1146
BT
U1_A
U1_B
CKMN0
CKMN1
BT_CLK
LF1001
Q5001
C5005
Q5002
Q5003
Q5004
Q5005
+3.3V
JK1001
PoE_AN
PoE_AP
CL_MICP
ST0
L2001
D5001
L2002
D5002
L2003
D5003
ST3
L2004
C4088
R5001
L2005
L2006
L2007
L2008
L2009
R5008
ST_BOOTNFL
IC5001
R5009
PoE_BN
IC5002
BT_SIO
IC5003
PoE_BP
IC5004
L2010
L2011
IC5005
L2012
CL_HS_MICP
PWR_RST
PoE_DC
HEAD_OUT
L2_VDDA
L2_VDDH
LF2001
LF2002
LF2003
LF2004
L2_VDDL
RST
LF2005
LF2006
LF2007
L2_VDDP
LF2008
L2_VDDR
L2_VDDS
Q1001
Q1002
JK2001
JK2002
CL2001
CL2002
CL2003
CL2004
CL2005
L3001
CL2006
L3002
CL2007
L3004
L3005
SDA
I2C
R6003
CLK
ASIC
R6004
R6005
R6006
R6007
R6008
JC
A
BT_SOT
INT
ASIC
JI
JM
R6016
JO
R1005
+5.0V
JR
IC1001
IC1002
IC1003
DG_1
DC_J
DG_3
DG_4
DG_5
DG_6
DG_7
DG_8
DG_9
JABRA_URX
BT_DIN
ANT_TP-BT
EHS_DET
Q2001
Q2002
EHS
UCFG0
UCFG1
L4001
L4002
ST
UCFG2
UCFG3
ST_UCFG4
L4005
L4006
L4007
L4008
L4010
L4011
D2001
D2002
D2003
CL_
VDD12V
IC2001
IC2002
BT_SYNC
L2_VDD
C2040
C2041
C2042
RA1003
C2043
RA1005
C2046
RA1006
RA1007
C2048
RA1008
C2049
25M50M
ST
ANT_JP
C2050
+1.1V
C2053
C2054
HEAD
C2055
C2056
C2057
R2030
R2031
C2059
R2033
R2035
R2036
R2037
R2038
R2039
C2061
C2062
C3002
C2064
R2041
C3009
JK4002
R2042
R2044
R2046
C3010
T2001
L5001
C3011
T2002
C3012
C3020
JABRA_UTX
C3023
C3024
C3025
D3002
D3003
D3004
J3R3V
R3006
R3009
IC3001
+1.5V
IC3002
IC3003
C3034
IC3004
IC3005
C3035
C3037
C3038
C3039
PSB_IN
R3017
RA2001
X1001
C3041
X1002
C3042
R3024
R3027
R3029
BT_DOUT
HEAD_IN
CL
PNLB2758ZA-YY-a
2018/07/19
A
A
+
-
PNLB2758ZA-YY-b
-YY-c
PNLB2758ZA
REF-2
C3058
C4001
C4002
C4003
C4004
C4005
C3066
3.3V_2
C4006
C4007
R1100
C4008
R1101
C4009
R1102
R1103
R1104
R1105
C3070
C4010
R1108
C3071
C4013
C4014
C4015
C4017
R1111
R1112
R1116
R1117
R1118
C4020
C4022
C4023
C4024
C4025
D4001
U2_A
C4026
U2_B
D4002
C4027
L1003
D4003
C4028
D4004
L1004
L1005
R1121
D4005
R4001
L1006
R1122
D4006
R1123
D4007
R4003
R1124
D4008
R4004
R1125
D4009
R4005
R4006
R4007
C4030
R4008
C4031
R4009
C4033
C4034
D4010
C4035
D4011
D4012
D4013
C4037
D4014
C4038
R4010
R1131
C4039
R4011
R1132
R4013
R4012
R4014
R4015
R4017
C4040
R4018
C4041
R4019
LE
D
_L
2_
G
R4022
R4023
R4025
R4027
R1147
R4028
R1148
R4029
R1149
C4056
R4030
R1150
R4031
R4032
R4036
C5001
C4062
C5002
C5003
C4064
C5004
C5006
C5007
R4040
C5008
C4069
R4041
R4042
LE
D
_B2_G
LE
D
_L1
_V
D
D
R5002
R5003
R5005
R5006
R5007
C4092
C4093
C4094
L2013
R5010
R5011
R5012
R5013
R5014
R5015
R5016
C6007
C6009
C6011
C6013
C6015
C1001
C1002
C1003
C6017
C1004
C1005
C6019
C1006
C1007
C1008
C1009
C6021
C6023
C1010
HOOKSW_B2_GND
C1011
C6025
C1012
C1013
C6027
C1014
C1015
C6029
C1016
C1017
C1018
C1019
C1020
C6035
C1021
C6036
C6037
C6038
C6039
D1001
D1002
R1001
R1002
D1007
R1003
C6040
R1004
D1008
R1006
R1007
R1008
R1009
C1031
C1032
C1034
D1010
C1035
D1011
C1036
DG_2
C1037
C1038
R1011
C1039
R1012
R1013
R1014
R1015
DG_9
R1016
R1017
C1040
C1041
C1042
C1043
C1048
R1020
R1021
C1057
C2001
C2002
C1063
C2003
C1064
C2004
C1065
C2005
C1066
C2006
C1067
C2007
C2008
C2009
C1069
R1043
R1046
R1047
C2010
C1070
R1049
C2011
C1071
C2012
C1072
L4003
C2013
C1073
L4004
C2014
C1074
C2015
C1075
C2016
C1076
C2017
C1077
C1078
R1050
C2018
C1079
C2019
R1053
C1080
C2020
C1081
C2021
C1082
C2022
C1083
C2023
C1084
C2024
C1085
C2025
C1086
C2026
C1087
C2027
C1088
R1060
C2028
D2004
C1089
R2001
C2029
R1062
R2002
R1063
R2003
L
ED
_
B
1
_VDD
R2004
R2005
R2006
HOOKSW_B3_SIG
R1067
R2007
C1090
R1068
C2030
R2008
C1091
C2031
R2009
C1092
C2032
C1093
C2033
C1094
C2034
C1095
C2035
C1096
C2036
C1097
C2037
C1098
C2038
R2010
C2039
R2011
R1072
R2012
R2013
R1074
R2014
R2015
R1076
R2016
R2017
R1078
R2018
R2019
C2044
C2045
C2047
R2020
R1081
R2021
R2022
R1083
R2023
R2024
R2025
R2026
R2027
R2028
C2051
R2029
C2052
LED
_L3
_R
C2058
R2032
R2034
R1096
R1097
R1098
C2060
C3001
R1099
C3003
C2063
C3004
C3005
C2065
C3006
C3007
C3008
R2040
R2043
R2045
R2047
R2048
C3013
C3014
C3015
C3016
C3017
C3018
C3019
L
ED_B
3
_R
C3021
C3022
D3001
C3026
C3027
C3028
R3001
C3029
D3005
R3002
R3003
R3004
R3005
C3030
R3008
C3031
C3032
C3033
C3036
R3013
R3014
R3015
R3016
C3040
R3018
R3019
C1102
C3043
C1104
C3044
C3045
C1106
C3046
C1107
C3047
C1108
C3048
R3020
R3021
C1109
R3022
R3023
R3025
C1110
C3052
C3055
C3056
C3057
R4021
R4020
59
KX-NT680 Series
13.1.2.
Bottom View
KX-NT680 Bottom View
1
4 0
1
4
3
L6001
R1110
C4032
BT_RST
MUTE
IN
GND
C4045
C4048
R4033
R4034
C4089
GND
NC
7.5V
CN6001
C6001
C6002
C6003
C6006
CAP
L3003
R6001
R6002
D1003D1004
D1005D1006
D1012
D1013
D1014
R1010
D1015
D1016
D1017
D1018
D1019
D1020
D1021
D1022
D1023
D1024
D1025
DET
BT_TCK
TX
BT_TDO
RA1001
RA1002
RX
OUT
BT_TMS
R3028
C1118
C1119
C1120
C1121
C1122
C1123
C1124
R1106
R1107
C3074
C3075
C3076
L1001
C4036
R4016
C4042
C4043
C4044
C4046
C4047
C4049
R4024
R4026
C4050
C4051
C4052
C4053
C4054
C4055
C4057
C4058
C4059
R4035
C4060
C4061
C4063
C4065
C4066
C4067
C4068
C4070
C4071
C4072
C4073
C4076
C4077
C4078
C4079
C4080
C4081
C4082
C4086
C4087
C4090
C4095
C4096
C6004
C6005
C6008
C6010
C6012
C6014
C6016
C6018
C6020
C6022
C6024
C6026
D6002
D6003
C6028
D6004
D6005
D6006
D6007
C6030
C6031
C6032
C6033
C6034
C1022
C1023
C1024
C1025
C1026
R6012
C1027
R6013
C1028
R6014
C1029
R6015
C1033
R1018
R1019
C1045
C1046
C1047
R1030
R1031
R1032
R1033
R1034
R1038
R1041
SW7001
SW7002
SW7003
R1044
SW7004
SW7005
SW7006
SW7007
SW7009
L4009
SW7011
SW7012
SW7013
SW7014
SW7015
SW7016
SW7017
SW7019
SW7021
SW7022
SW7023
R1064
SW7024
R1065
SW7025
R1066
SW7026
SW7027
SW7029
C1099
R1071
SW7031
SW7032
R1073
SW7033
SW7034
R1075
SW7035
SW7036
R1077
SW7037
SW7039
R1080
SW7041
SW7042
SW7043
SW7044
SW7045
SW7046
SW7047
SW7049
SW7051
SW7052
SW7053
SW7054
SW7055
SW7057
SW7059
C1100
C1101
C1103
C1105
C3049
C3050
C3051
C1111
C1112
C3053
C1113
C3054
C1114
C1115
C1116
C1117
60
KX-NT680 Series
14 Appendix Information of Schematic Diagram
Note:
1. DC voltage measurements are taken with an oscilloscope or a tester with a ground.
2. The schematic diagrams and circuit board may be modified at any time with the development of new technology.
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