Read Panasonic KX-NT630RU-B Service Manual 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
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