Signal Route - Panasonic KX-TG4221N Service Manual

4.8.

Signal Route

SIGNAL ROUTE IN
HANDSET TX
HANDSET MIC - C11/13 - RA4 - IC5(19/20)
- <HANDSET_RF_TX_ROUTE> - ANT. ---
---ANT. - <BASE_UNIT_RF_RX_ROUTE> - IC501(46/47 - 28) - C184 - Q161 - Q141
- D101 - P101 - T/R(TEL LINE)
HANDSET RX
T/R(TEL LINE) - P101 - D101 - Q141 - R165 - R177 - C173 - Q171 - C178
- IC501(16 - 44/45) - <BASE_UNIT_RF_TX_ROUTE> - ANT. ---
--- ANT. - <HANDSET_RF_RX_ROUTE> - IC5(23/22)- HANDSET SPEAKER
HANDSET
HANDSET MIC - C11/13 - RA4 - IC5(19/20)
SP-Phone TX
- <HANDSET_RF_TX_ROUTE> - ANT. ---
---ANT. - <BASE_UNIT_RF_RX_ROUTE> - IC501(46/47 - 28) - C184 - Q161 - Q141
- D101 - P101 -T/R(TEL LINE)
HANDSET
T/R(TEL LINE) - P101 - D101 - Q141 - R165 - R177- C173 - Q171 - C178 -R178
SP-Phone RX
- IC501(16-44/45) - <BASE_UNIT_RF_TX_ROUTE> - ANT. ---
--- ANT. -<HANDSET_RF_RX_ROUTE> - IC5(37/35) - Backside SP
HANDSET MIC - C11/13 - RA4 - IC5(19/20)
GREETING
RECORDING
- <HANDSET_RF_TX_ROUTE> - ANT. ---
---ANT. - <BASE_UNIT_RF_RX_ROUTE> - IC501(46/47- 73/74) - IC601
GREETING PLAY IC601 - IC501(73/74 - 28) - C184 - Q161 - Q141 - D101 - P101
TO TEL LINE
- T/R(TEL LINE)
T/R(TEL LINE) - P101 - D101 - Q141 - R165 - R177- C173 - Q171 - C178 - R178
ICM RECORDING
- IC501(16 - 73/74) - IC601
IC601 - IC501(73/74 - 29/31) - SPEAKER
ICM PLAY TO
SPEAKER
IC501(28) - C184 - Q161 - Q141 - D101 - P101 - T/R(TEL LINE)
DTMF SIGNAL
TO TEL LINE
T/R(TEL LINE) - P101 - C121/C122 - R121/R122 - IC501(24/25)
CALLER ID
T/R(TEL LINE) - P101 - R111/R112 - C111/C112 - Q111 - IC501(5)
BELL DETECTION
Note:
: inside of Handset
KX-TG4221N/KX-TG4222N/KX-TG4223N/KX-TG313SK/KX-TG4224N/KX-TG4225N/KX-TGA421N
ROUTE
23
OUT