Signal Route - Panasonic KX-TG7731S Service Manual

4.11. Signal Route

IN
SIGNAL ROUTE
HANDSET TX
HANDSET MIC - R73/74 - C11/13 - RA4 - IC1(22/23)
- <HANDSET_RF_TX_ROUTE> - ANT. ---
---ANT. - <BASE_UNIT_RF_RX_ROUTE> - IC501(46/47 - 28) - C184 - Q161 - Q141 - D101
- L101/[L102 - P101] - T/R(TEL LINE)
HANDSET RX
T/R(TEL LINE) - L101/[P101 - L102] - D101 - Q141 - R165 - R177 - C173 - Q171 - C178 - R178
- IC501(16 - 44/45) - <BASE_UNIT_RF_TX_ROUTE> - ANT. ---
--- ANT. - <HANDSET_RF_RX_ROUTE> - IC1(28/27) - C16 - L8 -
HEADSET_JACK(5 - 4) - HANDSET SPEAKER
HEADSET TX
HEADSET_JACK(2) - R80 - C14 - R22 - IC1(25) - <HANDSET_RF_TX_ROUTE> - ANT. ---
---ANT. - <BASE_UNIT_RF_RX_ROUTE> - IC501(46/47 - 28) - C184 - Q161- Q141 - D101
- L101/[L102 - P101] - T/R(TEL LINE)
HEADSET RX
T/R(TEL LINE) - L101/[P101 - L102] - D101 - Q141 - R165 - R177 - C173 - Q171 - C178 - R178
- IC501(16 - 44/45) - <BASE_UNIT_RF_TX_ROUTE> - ANT. ---
--- ANT. - <HANDSET_RF_RX_ROUTE> - IC1(28) - C16 - L8 - HEADSET_JACK(5)
HANDSET
HANDSET MIC - R73/74 - C11/13 - RA4 - IC1(22/23)
SP-Phone TX
- <HANDSET_RF_TX_ROUTE> - ANT. ---
---ANT. - <BASE_UNIT_RF_RX_ROUTE> - IC501(46/47 - 28) - C184 - Q161 - Q141
- D101 - L101/[L102 - P101] -T/R(TEL LINE)
HANDSET
T/R(TEL LINE) - L101/[P101 - L102] - 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> - IC1(29/31) - Backside SP
HANDSET MIC - R73/74 - C11/13 - RA4 -IC1(22/23)
CELLULAR TX
- <HANDSET_RF_TX_ROUTE> - ANT. ---
ANT. - <BASE_UNIT_RF_RX_ROUTE> - IC501(2/3 - 80)
- IC721(31 - 19) - R781 - ANT_BT - CELL PHONE
CELLULAR RX CELL PHONE - ANT_BT - R781 - IC721(19 - 3) - IC501(81 - 94/95)
- <BASE_UNIT_RF_TX_ROUTE> - ANT
---ANT.- <HANDSET_RF_RX_ROUTE> - IC1(28/27)
- C86 - L74 - HEADSET JACK(5-4) - R11- HANDSET SPEAKER
from BT Headset - ANT_BT - R781 - IC721(19 - 3) - IC501(81 - 27)
Bluetooth
- C184 - Q161 -Q141 - D101 - L101/[L102-P101] - T/R (TEL LINE)
Headset Sound
TX(to Tel Line)
Bluetooth
T/R (TEL LINE) - L101/[P101-L102] - D101 - Q141 - R165 - C173 - R178
Headset Sound - IC501(25 - 80) - IC721(31 - 19) - R781 - ANT_BT - to BT Headset
RX(from Tel Line)
Note:
: inside of Handset
KX-TG7731S/KX-TG7732S/KX-TG7733S/KX-TGA470S
ROUTE
25
OUT