KX-TU301RUME - Panasonic Telephone Service Manual (repair manual). Page 11

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11
KX-TU301RUME
4.4.
Signal Route
SIGNAL ROUTE
IN
OUT
VOICE TX
(to GSM network)
(HANDSET)
MIC ------- R32 - C24 - R23 - MOD1(40) ------ MOD1(44) ----- C5 - L4 - ANTENNA to GSM Network
         ----R33 - C25 - R24 - MOD1(39) ---
VOICE RX
(from GSM network)
(HANDSET)
ANTENNA - L4 - C5 ------------------ MOD1(44) ----- MOD1(46) ------ RECEIVER
MOD1(47)
SP-PHONE TX
(to GSM network)
(HANDSET)
MIC ------- R32 - C24 - R23 - MOD1(40) ------ MOD1(44) ----- C5 - L4 - ANTENNA to GSM Network
----R33 - C25 - R24 - MOD1(39) ---
SP-PHONE RX
(from GSM network)
(HANDSET)
ANTENNA - L4 - C5 ------------------ MOD1(44) ----- MOD1(48) - SP (+)
HEADSET TX
(to GSM network)
(HANDSET)
JK1(2) ----- R28 - C35 - MOD1(36) ----- MOD1(44) ----- C5 - L4 - ANTENNA to GSM Network
HEADSET RX
(from GSM network)
(HANDSET)
ANTENNA - L4 - C5 -------------- MOD1(44) - MOD1(59) - C37 - JK1(5)
SMS TX
(to GSM network)
(HANDSET)
KEY input - MOD1(17,18,19,20,21,22,23,24,25,26) ----- MOD1(44) ----- C5 - L4 - ANTENNA to GSM Network
SMS RX
(from GSM network)
(HANDSET)
ANTENNA - L4 - C5 ----------------- MOD1(44) ----- MOD1(7,8,9,10,11) - LCD
SIGNAL
ROUTE
L6           L9 - ANTENNA to GSM Network
C14
ANTENNA - L9
C14
L6
L6           L9 - ANTENNA to GSM Network
C14
L6           L9 - ANTENNA to GSM Network
C14
MOD1(49) - SP (-)
ANTENNA - L9
MOD1(35)
ANTENNA - L9
ANTENNA - L9
L6           L9 - 
C14
C14
L6
C14
L6
C14
L6
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