96 Chapter3
Manual Adjustment Procedures
Introduction
Table 3-2 Adjustable Components
Reference
Designator
Adjustment
Name
Adjustment
Number
Description
A4C707 FM DEMOD 16 Adjusts the FM demodulation for a peak response.
A4R445 LIMITER
PHASE
5 Adjusts Limiter Phase for peak response.
A4R531 LOG AMP
TOS
5 Minimizes error to Top of Screen.
A4R544 LIN
FIDELITY
BOW
5 Minimizes Linearity Fidelity error.
A4R826 CAL OSC
AMPTD
4 Sets calibration oscillator output power (nominally
−35 dBm). This power is injected into
the IF
during the AUTO IF ADJUST routines.
A5L300 LC CTR 1 3 Adjusts center frequency of first stage of LC
bandwidth filter to 10.7 MHz.
A5L301 LC CTR 2 3 Adjusts center frequency of second stage of LC
bandwidth filter to 10.7 MHz.
A5L700 LC CTR 3 3 Adjusts center frequency of third stage of LC
bandwidth filter to 10.7 MHz.
A5L702 LC CTR 4 3 Adjusts center frequency of fourth stage of LC
bandwidth filter to 10.7 MHz.
A5R343 15 DB ATT 4 Adjusts the attenuation of the reference 15 dB
attenuator for 15 db between minimum and
maximum attenuation.
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