Panasonic KX-TC1486B - 900 MHz Analog Cordless Phone User manual

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Service Manual
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ORDERNO.KM40403357C1
J01
TelephoneEquipment
lKX-TC1486B
900MHzCordlessPhone
BlackVersion
(forU.S.A.)
©2004 Panasonic CommunicationsCo., Ltd.All rightsreserved. Unauthorizedcopying and distribution isaviolation of law.

Input 1kHz
-15dBm 390mVp-p
Tip
Ring
output
-23dBm
12mVp-p
TX
RX
KX-TC1486B SCHEMATIC DIAGRAM (Base Unit) Main

KX-TC1486B SCHEMATIC DIAGRAM (Base Unit) RF Module
1kHz tone
45 kHz Dev.
output
12mVp-p
100mV p-p
34mV (RMS)
1kHz tone
25kHz Dev
input
SG
-53dBm
RX_VCO
0.7~2.5V
1.28V 80mV RMS
8mV RMS
32mV RMS
1mF
TX_VCO
0.7V~2.5V
1.48V
100mV p-p
35mV RMS
32mV (p-p)
11mV (RMS)
300mV p-p
110mV (RMS)

KX-TC1486B SCHEMATIC DIAGRAM (Handset) Main
VOL 2
500mV (p-p)
170mV (RMS)
-13dBm
1kHz
3.8mV RMS
-51dBm

KX-TC1486B SCHEMATIC DIAGRAM (Handset) RF Module
500mV (p-p)
170mV (RMS)
-13dBm
1kHz tone
45kHz Dev
input
1kHz tone
25kHz Dev
output
120mV (p-p)
40mV (RMS)
-26dBm
580mV p-p
190mV (RMS)
-12dBm
85mV p-p
27mV RMS
-29dBm
TX_VCO
0.7V~2.5V
1.48V
110mV (RMS)
23mV RMS
60mV (RMS)
RX_VCO
0.7~2.5V
1.41V