Kenwood SW10 Instruction Manual - Page 9

Troubleshooting guide Often, what appears to be a malfunction is due to user error. Before calling for service, please consult the following table. ENGLISH Problem Power cannot be turned on (the POWER indicator does not light). No sound Cause • The fuse is blown. • The remote control cord is unplugged. • The power supply pin (yellow) of the 10-pin connection cord is not connected. • The power control pin (blue/white) of the 10-pin connection cord is not connected. • The 10-pin connector is not plugged in com- pletely. • The grounding pin (black) of the 10-pin con- nection cord is not connected. • The negative (-) cable of the car battery is disconnected. • The attenuator of the center unit is set to ON. • The LEVEL control is set to the MIN position. • The speaker cords are connected improperly. • Connection terminals are connected improperly. • The remote control cord is unplugged. Remedy • Check the (+)/(-) polarity of the power cord and that the cords are not shorted, then replace with a fuse with the rated capacity. • Re-connect the cords correctly by referring to the connection example (on page 5, 6). • Plug the cord into the REMOTE terminal. • Connect the cord correctly by referring to the connection example (on page 5, 6). • Check the connections of all cords, then connect the (-) cable to the battery. • Insert the connector all the way in. • Attach the grounding terminal to the metallic section of the vehicle (not a coated surface) by tightly screwing it. • Check the connections of all cords, then connect the (-) cable to the battery. • Switch the attenuator OFF. • Increase the volume to an optimum level (on page 8). • Connect the cords correclty by referring to the connection example (on page 5, 6). • Insert the connectors or jacks all the way in to the terminals. • Plug the cord into the REMOTE terminal. Sound is small. Sound quality is bad (sound is distorted). Sound is unnatural. • The input level is set to low. • The input level is set to high. • Turn the LEVEL control knob and set the input level to an optimum level. • The speaker cords are connected with incorrect positive (+)/negative (-) polarity. • The grounding pin (black) of the 10-pin connection cord is poorly contacted. • The balance between the front speakers or between those and the rear speakers are not well adjusted. • Connect the cords correctly by referring to the connection example (on page 5, 6). • Attach the grounding terminal to the metallic section of the vehicle (not a coated surface) by tightly screwing it. • Adjust the tone balance by switching the PHASE switch to 0° or 180° as required (on page 8). Specifications The following ratings and design are subject to change without notice. Type Powered Enclosed Subwoofer [Amp unit] Maximum output 150 W Frequency response 35 - 120 Hz S/N ratio 85 dB Cut-off frequency 50 - 120 Hz Phase 0˚, 180˚ Input sensitivity/impedance RCA pin jack 50 mV / 15 kΩ Speaker input 1.0 V / 2.2 kΩ Power DC 14.4 V (Operating range 10.5 - 16 V) Maximum current consumption 8 A Fuse capacity 10 A [Speaker unit] Enclosure Passive radiator type Active woofer 120 x 180 mm (4-3/4" x 7-1/16") (cone) Passive woofer 120 x 180 mm (4-3/4" x 7-1/16") (cone) External size Width: 369 mm (14-1/2") Height: 94 mm (3-11/16") Depth: 224 mm (8-13/16") Weight (net 3.4 kg (7.5 Ib)  English