Servicing Your Cb - Uniden PC122XL Owner's Manual

If you determine that service is necessary, contact your local dealer or pack the unit in
its original carton. Send it along with a brief, concise description of the problem, your
name, address, phone number, and a copy of the original purchase receipt to the
address listed in the warranty.
SERVICING YOUR CB
,<" F~' '".
It is ,th,euser's responsibility~ to see that this radio is operating at all times in accordance with
. ,'.,
theDOTAC Cltfzensaand Radio Seryice regulations. We highly recommend that you consult
'
a qualified r~ioteleph,one tecl:micianfor service and alignment of this radio. When ordering,
.,
parts:'itis important to specify theccjIT8ct model number and serial number of this radio.' ","
Please refer to the WARNING information on the first page of this manual.
: 40 AM, 40 usa, 40 LSB
: 26.965 to 27.405 MHz
: Phase Lock Loop (PLU
synthesizer
Frequency Tolerance: 0.005%
Operating Temp. : -10°C to +50oc
Microphone : Plug in type; dynamic
Input Voltage: 13.8 VDC nom. (+ or -
ground)
: TX: AM full
mod., 2.2 A,
SSB 12 watts PEP out-
put, 2 A
RX: AM & SSB with max
audio output 0.6 A
Size : 6"W x 7%"0 x 2"H
Weight : 2 lb. 10 oz.
Antenna Connector: UHF, SO-239
Semiconductors: 41 transistors, 7 IC, 49
diodes
: Indicates relative power
output and receive signal
strength
SPECI FICA TIONS
GENERAL
Channels
Frequency Range
Frequency Control
Current Drain
LED Meter
TRANSMITTER
Power Output
Modulation
Intermodulation
Distortion
SSB Carrier
Suppression
Unwanted Sideband: Better than
-
5OdB
Freq.
Response:
300
-
3000 Hz
Output Impedance: 50 ohms, unbalanced
SSB Filter : 10.695 MHz, 8
pole
monolithic type
6dB @
4.2KHz, 6OdB @ 7.0KHz
RECEIVER
Sensitivity : SSB: Better than .25 }JV
for 1OdB; (S + N)/N @
greater than
112 watt of
audio output, AM; Bet-
ter than.5 jJV for 10dB;
(S + N) IN @ greater than
112 watt of audio output
: SSB and AM; 6dB @ 4.2
KHz, 6OdB @ 7.0KHz
: More than 5OdB
: More than 75dB
: AM and SSB; 10.695
MHz
: (AGC): less than 1OdB
change in audio output
for inputs from 10 to
500,000 microvolts
; Adjustable; threshold less
than .5 }J V
Clarifier : :t1.5KHz
Audio Output Power: 3
watts into
8
ohms
Freq. Response
: 350 to 2500 Hz
Distortion : Lessthan 10% at 3
watts
output
: 16 ohms, round
: (not supplied) 8
ohms
: 3
watts
in
external 8 ohm
speaker
Selectivity
Cross Modulation
Image Rejection
I.F. Frequency
Automatic Gain
Control
: AM maximum of 4W Squelch
SSB maxirrum of 12W PEP
: Class B amplitude
modulation
: SSB:3rd and 5th order,
better than
-
25dB, 7th
and 9th order better than
-
35dB
: Better than ~ 55dB
.
Internal Speaker
External Speaker
PA System
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