TROUBLE SHOOTING CHART (SM-2000)
Status Indications & Audible Tones
Unit Does Not Program
1. Defective Programming Lead
2. Wrong Programming Mode
3. Defective MIC Connector
4. Defective IC412
Unit Does Not Work
1. Open DC fuse in Power Cable
2. Defective Volume Switch
3. Defective Regulator IC107, 105, 402
4. Broken DC Cable
No Output from Speaker
1. Defective internal speaker and external jack
2. Defective IC108
3. Defective VR801
Squelch Does Not Work
1. Wrong alignment of squelch resistor RV103
2. Defective IC109
3. Defective CPU IC409
No Sub Audio Decode
CTCSS/DCS
1. Wrong Programming
2. Defective Switch Filter IC406 (MF-6)
3. Defective CPU IC409
MAXON SM-2000 MOBILE
TROUBLE SHOOTING CHART (SM-2000)
Page-57-
December 98
STATUS DESCRIPTION LEDCOLOR AUDIBLETONE
NORMAL
Poweron ready N/A Melody
Busy Yellow N/A
CorrectTone Green N/A
Transmit Red N/A
Scan Green, Flashing N/A
BusyLock Yellow,Flashing Single Tone
WARNING
TimeOut Timer N/A SingleTone
BatteryLow Red, Flashing Four Tone, Repeated
ERROR
EEPROMError Red, Flashing SingleTone Repeated
PLLError Red, Flashing Double Tone Repeated
FilteringError Red,Flashing ThreeTone Repeated