background image

4

WIRING CONNECTION

1. All connections should be soldered and insulated with electrical tape.
2. Be sure to connect the red power input lead to + 12V power terminal after all the 

other leads have been properly connected.

3. Run all ground wires to a common ground.

ANTENNA RELAY WIRE

A blue wire has been provided for relay controlled antenna. The relay will automatically
activate antenna upward when unit is turn on and retract when unit is turn off.

CAUTION:
Do not hook up blue wire to motor wire or damage may occur to the unit.

WIRING CONNECTION

Note:
1. For 2-speakers system, green, violet, white/black and grey/black wire leads are 

unconnected and isolated.

2. For 2-speakers system, keep the fader rotation at center position to maintain the 

existing volume level.

MEMORY

BACK-UP

FRONT

Lch SPK.

WHITE

WHITE/BLACK

MAIN UNIT

IGNITION

SWITCH (B+)

POWER

ANTENNA

REAR

Lch SPK.

RED

GROUND (B–)

YELLOW

BLACK

CHOKE BOX

BLUE

RCA CABLE

(GREY)

ANTENNA CONNECTOR

GREEN

GREEN/BLACK

4-SPEAKERS SYSTEM

Lch

SPK.

WHITE

GREEN/BLACK

2-SPEAKERS SYSTEM

GREY

GREY/BLACK

VIOLET

VIOLET/BLACK

4-SPEAKERS SYSTEM

FRONT
Rch SPK.

REAR
Rch SPK.

Rch
SPK.

GREY

VIOLET/BLACK

2-SPEAKERS SYSTEM

Rch RED

Lch WHITE

Summary of Contents for MS-503

Page 1: ...OWNER S MANUAL PLL SYNTHESIZER STEREO RADIO WITH COMPACT DISC PLAYER DIGITAL MS 503...

Page 2: ...the unit where it would be subject to high temperature such as from direct sunlight or from hot air from the heater or where it would be subject to dust dirt or excessive vibration 3 For safe installa...

Page 3: ...RD 1 Insert the supplied key into the slot as shown and slide the unit out of the dash board while holding the trim plate 2 Remove the metal strap attached to the back of the unit 3 Remove the key fro...

Page 4: ...to motor wire or damage may occur to the unit WIRING CONNECTION Note 1 For 2 speakers system green violet white black and grey black wire leads are unconnected and isolated 2 For 2 speakers system kee...

Page 5: ...functions on the display 18 Note If the unit has FADER function the operation of knobs 1 2 and 3 have some changes as below ON VOL push BAL Rotate the inner knob 1 to turn on or off the unit and adjus...

Page 6: ...ss MEM button 8 again to store up the chosen station CALLING UP THE STORED STATION In radio mode press PSET RPT button 15 to call up the first stored station in current band Repeatedly pressing to cal...

Page 7: ...ay starts from when you release the button PRESET THE MEMORY PLAY In CD operation press button 14 to stop playing press MEM button 8 there have correspondingly showing and MEMORY TRACK are flashing on...

Page 8: ...Treble at 10 KHz 10 dB Maximum Power 4 x 10 watts Load Impedance 8 Ampere max CD PLAYER Frequency Response 20 Hz 20 KHz Channel Separation 50 dB Signal to Noise Ratio 60 dB RADIO FM Frequency Coverage...

Page 9: ...ng is not properly Check wiring connection connected The operation The built in microcomputer Press the RESET button keys do not is not operating properly Front panel is not properly fixed into work d...

Reviews: