Service Manual
MM-E 2072-09333-00
3-18
A
Check synthesizer
Check second
local oscillator
Problem
found
Check second mixer
Check 450 kHz
signal (IF filter)
Problem
found
Check 450 kHz
ceramic filter
Check 20 kHz signal
Problem
found
Check A/D
DC voltage
Check A/D
converter
Problem
found
Check VCC
Check DSP output
signal
Reception possible
Problem
found
Check A
+
(13.8 V)
Check audio amplifier
Problem
found
Check flat cable to
CONTROL HEAD
Figure 3-9.B. Receiver Troubleshooting Flowchart (Sheet 2 of 2)