Lectrosonics DR175 - Manual (Page 6)

TROUBLESHOOTING
Before going through the following chart, be sure that you have a good battery in the transmitter and that the transmit­
ter power LED is indicating normally.
SYMPTOM POSSIBLE CAUSE
NO POWER LED 1) Receiver switch in “OFF” position
2) External 12 Volt power disconnected
3) CH-12 AC adapter disconnected
NO CODE LED 1) Transmitter not turned on
2) Transmitter battery dead
3) No microphone on transmitter
4) Receiver antenna not connected
CODE LED ON BUT NO SOUND
AND NO MODULATION LEDS 1) Transmitter switch in “MUTE” position
2) Transmitter microphone not connected
3) Possible malfunction in the audio section of the
transmitter (See transmitter manual)
4) Check transmitter modulation LEDs for possible
transmitter problem
MODULATION LED’s ON 1) Receiver LEVEL control turned down
BUT NO SOUND 2) Audio cable disconnected
3) Recorder or sound system off, or not properly adjusted
DR175 REPLACEMENT PARTS and ACCESSORIES
Part No. Description
CH-12 110 Volt AC adapter for DR175 receiver.
A-170 AC 1/4 wave whip on a right angle BNC connector.
A-185 Coax Remote, folded-dipole antenna with coaxial cable.
A-185-BNC Telescoping 1/4 wave whip on a swiveling BNC connector.
A-200 Remote dipole antenna with aluminum mounting block;
supplied with one built-in telescoping whip and one
detachable telescoping whip.
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