KX-TG6551RUM, KX-TGA650RUM, KX-TGA651RUM - Panasonic Telephone Service Manual (repair manual). Page 18

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18
KX-TG6551RUM/KX-TGA650RUM/KX-TGA651RUM
4.7.
Signal Route
Note:
: inside of Handset
<HANDSET_RF_TX_ROUTE> - ANT. --- 
---ANT. - <BASE_UNIT_RF_RX_ROUTE> - IC501(46/47 - 28) - R181 - C184 - Q161 - Q141 
- D101 - L101/[L102 - P101] - T/R(TEL LINE)
T/R(TEL LINE) - L101/[P101 - L102] - D101 - Q141 - R165 - C173 - Q171 - C178 - R178 
- IC501(16 - 44/45) - <BASE_UNIT_RF_TX_ROUTE> - ANT. ---
--- ANT. - <HANDSET_RF_RX_ROUTE> - IC1(28/27) - C86 - L74 - 
HEADSET_JACK(5 - 4) - R11 - HANDSET SPEAKER
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) - R181 - C184 - Q161 - Q141 
- D101 - L101/[L102 - P101] -T/R(TEL LINE)
T/R(TEL LINE) - L101/[P101 - L102] - D101 - Q141 - R165 - C173 - Q171 - C178 -R178 
- IC501(16-44/45) - <BASE_UNIT_RF_TX_ROUTE> - ANT. ---
--- ANT. -<HANDSET_RF_RX_ROUTE> - IC1(29/31) - Backside SP
HANDSET TX
HANDSET RX
HANDSET 
SP-Phone TX
HANDSET 
SP-Phone RX
SIGNAL ROUTE
IN 
㸢㩷
ROUTE 
㸢㩷
OUT
DTMF SIGNAL 
TO TEL LINE
CALLER ID
BELL DETECTION
MIC - C457/C458 - RA452 - IC501 (23/22 - 28)  - R181 - C184 - Q161 - Q141 
- D101 - L101/[L102 - P101] - T/R(TEL LINE)
T/R(TEL LINE) - L101/[P101 - L102] - D101 - Q141 - R165 - C173 - Q171 - C178 - R178 
- IC501 (16 - 29/31) - L474/L476 - SPEAKER
HANDSET MIC - R73/74 - C11/13 - RA4 - IC1(22/23) 
- <HANDSET_RF_TX_ROUTE> - ANT. ---
--- ANT. - <BASE_UNIT_RF_RX_ROUTE> - IC501(46/47 - 29/31) - L474/L476 - SPEAKER
MIC - C457/C458 - RA452 - IC501(23/22 - 44/45) - <BASE_UNIT_RF_TX_ROUTE> - ANT. ---
--- ANT. - <HANDSET_RF_RX_ROUTE> - IC1(28/27) - C86 - L74
- HEADSET_JACK(5 - 4) - R11 - HANDSET SPEAKER 
BASE 
SP-Phone TX
BASE
SP-Phone RX
INTERCOM
HANDSET TO
BASE UNIT 
INTERCOM
BASE UNIT 
TO HANDSET
IC501(28) - R181 - C184 - Q161 - Q141 - D101 - L101/[L102 - P101] - T/R(TEL LINE)
T/R(TEL LINE) - L101/[P101 - L102] - C121/C122 - R121/R122 - IC501(24/25)
T/R(TEL LINE) - L101/[P101 - L102] - R111/R112 - C111/C112 - Q111 - IC501(5
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