Read Panasonic KX-HDV230RU / KX-HDV230RUB Service Manual Supplement online
12
KX-HDV230 Series
2. Handset call
Transmitting signal is input from handset microphone
input to IC101-pin M17,M18 A/D conversion, Gain adjustment and
echo cancel by built-in DSP of IC101.
Receiving signal input from IP Line
Receiving signal input from IP Line
Gain adjustment and D/A conversion by DSP of IC101 IC101-pinK18,K19 output
to handset speaker.
3. Headset call
Transmitting signal is input from headset microphone
input to IC101-pin N15 A/D conversion, Gain adjustment and echo
cancel by built-in DSP of IC101.
Receiving signal input from IP Line
Receiving signal input from IP Line
Gain adjustment and D/A conversion by DSP of IC101 IC101-pinL17 output to
headset speaker.
IC101
M18
M17
K18
K19
D409
C418
MICBIAS
AG
AG
AG
MICBIAS
HS_MICP
AG
AG
AG
R413
C423
AG
R412
R411
HS_MICM
AG
C424
L401
C425
R415
L404
R410
D406
C417
R409
D405
AG
AG
AG
CL_HS_MICP
C414
C413
CL_HS_MICM
C411
AG
R408
C409
C408
C407
D403
L416
AG
AG
C416
C415
D410
D408
D407
AG
AG
AG
C419
C420
AG
AG
HS_SPP
AG
L402
HS_SPM
L403
CL_HS_SPP
CL_HS_SPM
C410
D404
IC101
N15
L17
D402
R406
CL_HEAD_IN
AG
AG
AG
HEAD_OUT
D401
C406
C405
C404
AG
HEAD_IN
R405
C403
AG
R404
CL_HEAD_OUT
C402
AG
R402
HEAD_IN_GND
AG
HEAD_OUT_GND
L415
MICBIAS
C498
C499
R403
AG
C469
Click on the first or last page to see other KX-HDV230RU / KX-HDV230RUB service manuals if exist.