GAS GMA151BT, Руководство пользователя

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Basic Operation
General
Power requirements
Load impedance
Tone controls
Audio section
Maximum output level
Frequency response
Signa l to-noise radio
Separation
FM Tuner section
Tuning range
IF Range
Usable sensitivity [-3OdB]
Usable-to-noise radio
Stereo separation
Frequency response
: 12V DC
: 4ohm
: +8 dB(bass 1OHz,Treble 1OKHz]
: 2Vrms
: 2O to 2OKhz
: 85dB
: 8OdB
: 87 8 0 1 - 5 .
: 10.7MHz
: 15 dB
: 6OdB
: 3OdB (1 Khz)
: 3O~15000Hz
Problem Cause
Yellow wire not connected or incorrect voltage
Unit will not turn an
Red wire not connected ar inc
o
rrect voltage
[no power]
Black wire not connected
Fuse blown
Unit has power
Speaker wires not connected
[but no sound)
0ne or more speaker wires touching each
other or touching chassis ground
Yellow or red wire touching chassis ground
Unit blows fuses
Speaker wires touching chassis ground
lncorrect fuse rating
Excessive skipping Unit is not mounted correctly
or back strap is not secure
Action
Check connections for proper voltage
(12V DC)
Check connection to ground
Replace fuse
Check connections at speakers
lnsulate all bare speaker wires from each
other and chassis ground
Check for pinched wire
Check for pinched wire
Use fuse with correct rating
Check mounting sleeve and back
strap support
Trouble shooting