Troubleshooting
Use the following guide to identify symptoms and solve problems. Make sure the vehicle’s electrical system is working properly and power is reaching the JBL
Symptom | Likely Cause | Solution |
No audio | Low/no remote on voltage | Check connections; |
| Speakers are not connected or are blown | Check wiring; use VOM/DVM to measure |
|
| resistance |
|
|
|
Distorted audio | Input sensitivity is not set properly | See Setting Input Sensitivity on page 5 |
|
|
|
Audio lacks “punch” | Speakers are wired with wrong polarity | Check polarity of connections; refer to Applications |
|
|
|
Audio cycles off and on; | A protection circuit is turning the | Verify the following: off electrical system is |
amber protection LED | amplifier off and on | between 5 ~ 18Vdc; temperature is not |
(JBL badge on top panel) |
| over 194°F (90°C); there are no short circuits; speaker |
is flashing |
| loads are not less than 2 ohms (4 ohms in mono) |
|
|
|
Audio cycles off and on; | GAIN is set too high | Set Input Sensitivity |
amber protection LED |
| correctly (see page 5) |
(on top panel) is flashing |
|
|
|
|
|
Fuse blows | Incorrect wiring or short circuit | Check connections; refer to Applications |
Declaration of Conformity
We, JBL Europe A/S
Kongevejen 194B
DENMARK
declare in own responsibility, that the products described
in this owner’s manual are in compliance with technical
standards:
EN 55013/A12/8.1994
EN 55020/12.1994
Steen Michaelsen
JBL Europe A/S
Birkerød. DENMARK. 3/98
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