Panasonic KX-TG7841S Service Manual page 27

KX-TG7841/KX-TG7842/KX-TG7843/KX-TG7844/KX-TG7845/KX-TG365SK/KX-TG7871/KX-TG7872/KX-TG7873/KX-TG7874/KX-TG7875/KX-TG385SK/KX-TGA680
SIGNAL ROUTE IN
HANDSET MIC - C11/13 - RA4 - IC1(22/23)
INTERCOM
- <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) - C16 - L8
TO HANDSET
- HEADSET_JACK(5 - 4) - HANDSET SPEAKER
GREETING
HANDSET MIC - 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 - P101 - T/R (TEL LINE)
GREETING PLAY
TO TEL LINE
T/R (TEL LINE) - P101 - 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 - P101 - T/R (TEL LINE)
DTMF SIGNAL
TO TEL LINE
T/R(TEL LINE) - P101 - C105/C106 - R105/R106 - RA101 -IC501(23/21)
CALLER ID
T/R(TEL LINE) - C105 - R105 - R110 - R111 - R112 - IC501(18)
BELL DETECTION
Note:
: inside of Handset
RF part signal route
SIGNAL ROUTE IN
HANDSET RF
IC1(44/45) - C802 - C808 - ANT
[ TX_ROUTE ]
HANDSET RF
ANT - C808 - C801 - IC1(46/47)
[ RX_ROUTE ]
IC501(95/94) - C859 - DA802 - C851/C853 - ANT1/ANT2
BASE UNIT RF
[ TX_ROUTE ]
ANT1/ANT2 - C851/C853 - DA802 - IC501(3/2)
BASE UNIT RF
[ RX_ROUTE ]
Note:
: inside of Handset
ROUTE
ROUTE
27
OUT
OUT