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Service Manual
TOP NEXT ORDER NO. KM40403357C1 J01
Telephone Equipment
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KX-TC1486B
900MHz Cordless Phone Black Version (for U.S.A.)
© 2004 Panasonic Communications Co., Ltd. All rights reserved. Unauthorized copying and distribution is a violation of law.
http://servis-manual.com/
Input 1kHz -15dBm 390mVp-p Tip
TX RX
12mVp-p
Ring output -23dBm
KX-TC1486B SCHEMATIC DIAGRAM (Base Unit) Main
100mV p-p 34mV (RMS) SG -53dBm 1kHz tone 25kHz Dev input 1kHz tone 45 kHz Dev. output
RX_VCO 0.7~2.5V 1.28V
80mV RMS
12mVp-p
8mV RMS
32mV RMS
100mV p-p 35mV RMS
1mF
300mV p-p 110mV (RMS)
32mV (p-p) 11mV (RMS)
TX_VCO 0.7V~2.5V 1.48V
KX-TC1486B SCHEMATIC DIAGRAM (Base Unit) RF Module
1kHz 3.8mV RMS -51dBm
VOL 2 500mV (p-p) 170mV (RMS) -13dBm
KX-TC1486B SCHEMATIC DIAGRAM (Handset) Main
500mV (p-p) 170mV (RMS) -13dBm
RX_VCO 0.7~2.5V 1.41V
110mV (RMS)
1kHz tone 45kHz Dev input
23mV RMS
60mV (RMS)
1kHz tone 25kHz Dev output
85mV p-p 27mV RMS -29dBm
580mV p-p 190mV (RMS) -12dBm
120mV (p-p) 40mV (RMS) -26dBm
TX_VCO 0.7V~2.5V 1.48V
KX-TC1486B SCHEMATIC DIAGRAM (Handset) RF Module