Panasonic KX-TG7731S Service Manual page 26

KX-TG7731S/KX-TG7732S/KX-TG7733S/KX-TGA470S
RF part signal route
SIGNAL ROUTE IN
INTERCOM HANDSET MIC - R73/74 - C11/13 - RA4 - IC1(22/23)
- <HANDSET_RF_TX_ROUTE> - ANT. ---
HANDSET TO
BASE UNIT
ANT - <BASE_UNIT_RF_RX_ROUTE> - IC501(2/3 - 41/43) - SPEAKER
INTERCOM
MIC - C457/C458 - RA452 - IC501(37/38 - 94/95) - <BASE_UNIT_RF_TX_ROUTE> - ANT
BASE UNIT
--- ANT. - <HANDSET_RF_RX_ROUTE> - IC1(28/27) - C86 - L74
TO HANDSET
- HEADSET_JACK(5 - 4) - R11 - HANDSET SPEAKER
GREETING
HANDSET MIC - R73/74 - C11/13 - RA4 - IC1(22/23)
RECORDING
- <HANDSET_RF_TX_ROUTE> - ANT. ---
ANT - <BASE_UNIT_RF_RX_ROUTE> - IC501(2/3 - 69/70) - IC601
IC601 - IC501(69/70 - 27) - C184 - Q161 -Q141- D101 - L101/[L102-P101] - T/R (TEL LINE)
GREETING PLAY
TO TEL LINE
T/R (TEL LINE) - L101/[P101-L102] - D101 - Q141 - R165 - C173 - R178
ICM RECORDING
- IC501(25 - 69/70) - IC601
IC601 - IC501(69/70 - 41/43) - SPEAKER
ICM PLAY TO
SPEAKER
IC501(27) - C184 - Q161 -Q141- D101 - L101/[L102-P101] - T/R (TEL LINE)
DTMF SIGNAL
TO TEL LINE
T/R(TEL LINE) - L101/[P101 - L102] - C105/C106 - R105/R106 - R108/R107 -IC501(23/21)
CALLER ID
T/R(TEL LINE) - L101 - C105 - R105 - R110 - R111 - R112 - IC501(18)
BELL DETECTION
HANDSET RF
IC1(44/45) - L809 - C812 - DA801 - C803 - C801 - ANT
[ TX_ROUTE ]
HANDSET RF
ANT - C801 - C803 - DA801 - C826 - IC1(46/47)
[ RX_ROUTE ]
IC501(95/94) - L802/C813 - C812 - DA801 - C803 - DA802 - C851/C853 - ANT1/ANT2
BASE UNIT RF
[ TX_ROUTE ]
BASE UNIT RF ANT1/ANT2 - C851/C853 - DA802 - C803 - DA801 - C826 - C854/C853 - IC501(3/2)
[ RX_ROUTE ]
Note:
: inside of Handset
ROUTE
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OUT