Panasonic KX-NT630RU-B Service Manual ▷ View online
13
KX-NT630 Series
2. Handset call
Transmitting signal is input from handset microphone
input to IC1001-pin M17,M18 A/D conversion, Gain adjustment
and echo cancel by built-in DSP of IC1001.
Receiving signal input from IP Line
Receiving signal input from IP Line
Gain adjustment and D/A conversion by DSP of IC1001 IC1001-pinK18,K19 out-
put to handset speaker.
3. Headset call
Transmitting signal is input from headset microphone
input to IC1001-pin N15 A/D conversion, Gain adjustment and
echo cancel by built-in DSP of IC1001.
Receiving signal input from IP Line
Receiving signal input from IP Line
Gain adjustment and D/A conversion by DSP of IC1001 IC1001-pinL17 output to
headset speaker.
R4032
R4031
IC1001
HS_MIC
HS_SP
C4015
C4014
C4017
C4035
C4002
C4008
C4009
DG
DG
DG
DG
D4007
D4008
D4009
MICBIAS
L4003
C4027
C4026
R4012
R4013
L4004
CL_HS_MICP
CL_HS_MICM
CL_HS_SPP
CL_HS_SPM
R4011
D4006
R4007
R4008
R4014
R4015
C4023
C4022
C4021
R4005
R4006
JK4002
2
3
4
5
DG
DG
DG
DG
DG
DG
DG
DG
M18
DIFFIN0P
M17
DIFFIN0N
K18
AMPOUT0
K19
AMPOUT1
R4027
R4028
JK4001 via Flat cable (HEAD)
IC1001
HEADSET
C4019
C4001
R4001
D4002
MICBIAS
CL_HEAD_IN
D4003
R4003
R4010
R4004
CL_HEAD_OUT
R4009
C4018
C4006
C4005
C4020
C4016
AG
HEAD_DET
D4001
HEAD_B1_GND
HEAD_B3_DET
HEAD_B2_IN
HEAD_B5_OUT
HEAD_B4_CAP
DG
DG
DG
DG
DG
DG
DG
C4092
AG
DG
L4011
R4041
N15
SINGIN0
L17
AMPOUT2
R4036
R4016
C4043
DG
14
KX-NT630 Series
4.2.6.
Key Circuit
The key data is under the matrix control by IC1001.
The key information output from KEY_OUT is input into KEY_IN, when the key is pressed.
The HOOK key is independent from Key Scan Matrix and taken into the port singularly.
The key information output from KEY_OUT is input into KEY_IN, when the key is pressed.
The HOOK key is independent from Key Scan Matrix and taken into the port singularly.
IC1001
KEY_IN[0]
KEY_IN[2]
KEY_IN[3]
KEY_IN[4]
KEY_IN[1]
KEY_IN[5]
KEY_IN[6]
T9
V9
T10
R10
W9
V10
U10
KEY_OUT[2]
KEY_OUT[5]
KEY_OUT[1]
KEY_OUT[0]
KEY_OUT[0]
KEY_OUT[3]
KEY_OUT[4]
SW7036
SOFT4
1
2
SW7014
4
1
2
SW7032
#
1
2
SW7015
1
1
2
SW7052
PAUSE
1
2
SW7033
9
1
2
SW7016
SOFT2
1
2
SW7053
CANCEL
1
2
SW7035
3
1
2
SW7005
HOLD
1
2
SW7034
6
1
2
SW7006
SOFT1
1
2
SW7025
2
1
2
SW7022
0
1
2
SW7041
TRANSFER
1
2
SW7003
MESSAGE
1
2
SW7011
FLASH
/RECALL
/RECALL
1
2
SW7001
REDIAL
1
2
SW7023
8
1
2
SW7012
*
1
2
SW7026
SOFT3
1
2
SW7024
5
1
2
SW7043
ENTER
1
2
SW7013
7
1
2
SW7007
FF1
1
2
SW7057
FF6
1
2
SW7027
FF3
1
2
SW7037
FF4
1
2
SW7047
FF5
1
2
SW7017
FF2
1
2
SW7008
1
2
SW7018
1
2
SW7028
1
2
SW7038
1
2
SW7048
1
2
SW7058
1
2
SW7044
DOWN
1
2
SW7054
RIGHT
1
2
SW7045
UP
1
2
SW7055
LEFT
1
2
SW7042
FWD
/DND
/DND
1
2
SW7031
SP-PHONE
1
2
SW7004
INTERCOM
1
2
SW7002
MUTE
/AUTO ANS
/AUTO ANS
1
2
SW7051
CONF
1
2
SW7021
AUTO DIAL
/STORE
/STORE
1
2
SW7046
PAGE
1
2
U9
V8
R9
W8
U8
T8
V8
R9
W8
U8
T8
R19
HOOK SW
15
KX-NT630 Series
4.2.7.
LED Circuit
The lighting of the LEDs is controlled (static lighting) by IC1001.
LED PCB
R6006
R6007
R6001
R6014
R6003
R6016
R6002
R6018
R6013
R6020
R6015
R6011
R6017
R6005
R6019
R6012
R6004
VDD3R3V
VDD3R3V
LED_GRN_FF_06
LED_RED_FF_06
LED_RED_FF_06
LED_GRN_FF_04
LED_GRN_FF_05
LED_RED_FF_02
LED_RED_FF_03
LED_RED_FF_04
LED_RED_FF_05
LED_GRN_FF_02
LED_GRN_FF_03
LED_RED_SP
LED_GRN_RINGER
LED_RED_RINGER
LED_RED_STORE
LED_GRN_INCOM
LED_RED_FWD
LED_RED_CONF
LED_RED_MUTE
LED_GRN_FF_01
LED_RED_FF_01
LED_RED_FF_01
D6003
R
D6004
R
D6005
R
D6006
R
D6007
R
DG
Q1001
4.7k
47k
Q1002
4.7k
47k
DG
D6002
R
G
1
2
4
3
D6008
R
G
1
2
4
3
R6010
R6009
D6009
R
G
1
2
4
3
D6010
R
G
1
2
4
3
D6011
R
G
1
2
4
3
D6012
R
G
1
2
4
3
D6013
R
G
1
2
4
3
D6001
G
D6014
R
LED_L3_R
LED_L2_G
LED_L1_VDD
LED_B1_VDD
LED_B3_R
LED_B2_G
VDD3R3V
R6008
16
KX-NT630 Series
4.2.8.
Power Supply Circuit
RJ45
(LA
N
)
A
C
adaptor
12V
/1
.5
A
10.
6V
12V
5V
V
DD33V
A
V
CC33V
L2
S
W
_
1
1
V
VD
D
IO
_
D
D
R
in
te
rn
a
l
V
D
D18V
VD
D
1
.3
V
L2S
W
_
33V
L2
S
W
Headset
B
a
ckl
ig
ht(
LCD)
LCD
Handset
MI
C
S
peaker
RJ45
(P
C
)
Po
E_
G
DG
AG
Ter
minal
Terminal
VC
C
5
V
45
57
V
3.
3V
Po
E
DCDC
DCI
N
1.
1V
NAND
DDR2
I/
O
LE
D
Vi
n
EN
DCDC
1.8V
Vi
n
DCDC
1.1V
EN
Vi
n
DCDC
5V
EN
Vi
n
DCDC
3.3V
EN
EX
T
_
R
E
G
_
C
T
L
DVF
9919
DCDC
D a
m
p
LD
O
RF
A
P
U
V
CC_A
NA
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