Motorola ASTRO Digital XTL 5000

Table of Contents xi
6881096C74-B May 25, 2005
5.6.19 RX Back-End—Poor SINAD or No Audio (380–470 MHz and 450–520 MHz)—
Part 2 of 3........................................................................................................................5-33
5.6.20 RX Back-End — Poor SINAD or No Audio (380–470 MHz and 450–520 MHz)—
Part 3 of 3........................................................................................................................5-34
5.6.21 Low or No RX Injection Signal (380–470 MHz and 450–520 MHz) ................................5-35
5.6.22 Low or No TX Injection Signal (380–470 MHz and 450–520 MHz).................................5-36
5.6.23 No TX Audio (380–470 MHz and 450–520 MHz)............................................................5-37
5.6.24 TX or RX VCO Unlock (Fail 001) (380–470 MHz and 450–520 MHz)—Part 1 of 2 ........5-38
5.6.25 TX or RX VCO Unlock (Fail 001) (380–470 MHz and 450–520 MHz)—Part 2 of 2 ........5-39
5.6.26 RF Power Amplifier (RFPA)—No or Low TX Power Output (380–470 MHz and 450–
520 MHz)—Part 1 of 5.....................................................................................................5-40
5.6.27 RF Power Amplifier (RFPA)—No or Low TX Power Output (380–470 MHz and 450–
520 MHz)—Part 2 of 5.....................................................................................................5-41
5.6.28 RF Power Amplifier (RFPA)—No or Low TX Power Output (380–470 MHz and 450–
520 MHz)—Part 3 of 5.....................................................................................................5-42
5.6.29 RF Power Amplifier (RFPA)—No or Low TX Power Output (380–470 MHz and 450–520
MHz)—Part 4 of 5............................................................................................................5-43
5.6.30 RF Power Amplifier (RFPA)—No or Low TX Power Output (380–470 MHz and 450–520
MHz)—Part 5 of 5............................................................................................................5-44
5.6.31 RFPA Power Control—No VGBIAS (380–470 MHz and 450–520 MHz) ........................5-45
5.6.32 No 16.8 MHz Reference Oscillator Frequency (700–800 MHz) ......................................5-46
5.6.33 Poor RX Sensitivity or No RX Audio (700–800 MHz)—Part 1 of 2..................................5-47
5.6.34 Poor RX Sensitivity or No RX Audio (700–800 MHz)—Part 2 of 2..................................5-48
5.6.35 RX IF—Poor SINAD or No Audio (700–800 MHz) ..........................................................5-49
5.6.36 RX Back-End—Poor SINAD or No Audio (700–800 MHz)—Part 1 of 3..........................5-50
5.6.37 RX Back-End—Poor SINAD or No Audio (700–800 MHz)—Part 2 of 3..........................5-51
5.6.38 RX Back-End—Poor SINAD or No Audio (700–800 MHz)—Part 3 of 3..........................5-52
5.6.39 Low or No RX Injection Signal (700–800 MHz)...............................................................5-53
5.6.40 Low or No TX Injection Signal (700–800 MHz) ...............................................................5-54
5.6.41 No TX Audio (700–800 MHz) ..........................................................................................5-55
5.6.42 TX or RX VCO Unlock (Fail 001) (700–800 MHz)—Part 1 of 2.......................................5-56
5.6.43 TX or RX VCO Unlock (Fail 001) (700–800 MHz)—Part 2 of 2.......................................5-57
5.6.44 RF Power Amplifier (RFPA)—No or Low TX Power Output (700–800 MHz)—
Part 1 of 5........................................................................................................................5-58
5.6.45 RF Power Amplifier (RFPA)—No or Low TX Power Output (700–800 MHz)—
Part 2 of 5........................................................................................................................5-59
5.6.46 RF Power Amplifier (RFPA)—No or Low TX Power Output (700–800 MHz)—
Part 3 of 5........................................................................................................................5-60
5.6.47 RF Power Amplifier (RFPA)—No or Low TX Power Output (700–800 MHz)—
Part 4 of 5........................................................................................................................5-61
5.6.48 RF Power Amplifier (RFPA)—No or Low TX Power Output (700–800 MHz)—
Part 5 of 5........................................................................................................................5-62
5.6.49 RFPA Power Control—No K9.1V (700–800 MHz) ..........................................................5-63
5.6.50 RFPA Power Control—No VGBIAS (700–800 MHz).......................................................5-64
5.6.51 RFPA Power Control—No or Low TX RFPA_CNTRL (700–800 MHz)—Part 1 of 2.......5-65
5.6.52 RFPA Power Control—No or Low TX RFPA_CNTRL (700–800 MHz)—Part 2 of 2.......5-66