Pyramid CDR31FD User manual

BND MOD MUT BAL LOC RPT STOP
TUN VOL
CFD
DISPLAY
PLAYBACK
FM AM
INSTRUCTION MANUAL
AUTO-LOADING COMPACT DISC PLAYER
WITH AM/FM TUNING RADIO
WWW. PYRAMIDCARAUDIO.COM
CDR31FD

LOCATIONAND FUNCTION OF CONTROLS
1.POWER BUTTON
Press it to turn on or off the unit.
2. TUNING KNOB
Rotate it to select your desired broadcasting station.
3.CD COMPARTMENT
4.FREQUENCYCOUNTER
By the pointer, the display shows the frequency of the broadcasting
station being received.
5.LED DISPLAY
This is to show the track no.of CD.
1
6.VOLUME CONTROL
Rotate it to increase or decrease the volume level.
7. EJECT BUTTON
Press it to eject the CD DISC.
BND MOD MUT BAL LOC RPT STOP
TUN VOL
1 2 3457
6 8
910 12 13 14 15 16 17
11
CFD
DISPLAY
PLAYBACK
FM AM
18 19

2
8. (CD PLAY,PAUSE )BUTTON
At tuner mode, press button to switch to CD mode. At CD mode,
press it to pause the CD playing and press it again to resume CD
playback.
9,17. TRACK UP/DOWN BUTTONS
a. During CD mode, press button to allow you to track forward.
Hold the button to allow you to skip forward.
b. During CD mode, press button to allow you to track backward.
Hold the button to allow you to skip backward.
10.BAND BUTTON
Press it to select your desired radio bandAM or FM.
11.MODE BUTTON
Press it in between CD or radio function.
12.MUTE BUTTON
Press it to reduce the volume level immediately.
13.BALANCE BUTTON
Slide it to get you desired sound balance between left channel and
right channel.
14.LOC BUTTON
Press it to select distance reception or local reception. Local control
is no effect atAM BAND

3
15.RPTBUTTON
During CD mode, press RPT button to repeat a single track.
16.STOPBUTTON
Press it for stop CD playing.
18.FM LIGHT
The frequency in the FM station ,the FM light be lighted.
19.AM LIGHT
The frequency in theAM station ,theAM light be lighted.

4
DISC PLAY:
Cleaning discs
Before playing ,clean the disc with a clean, lint-free,
Flip the disc in the direction of the arrow.
Note:
Do not use so solvents such as benzine, thinners, commercially available
cleaners or anti static spray damage the unit:
insert a disc with the label surface down, Doing so may damage the unit.
Label
surface up
Note:
Do not try to insert another disc when one has been already inserted.
Doing so may damage the unit.
Handle the disc by its edge.And to keep the disc clean do not touch
the surface.
Do not stick paper or tape on the disc..
Do not expose the disc to direct sunlight or heat sources such as hot air
Ducts.or leave it in a car parked in direct sunlight where there can be a

5
TROUBLE SHOOTING
Before going through the check list, wiring connection, should any of the
problem persist after check list has been made , consult your nearest service
dealer.
Symptom
No power
Disc cannot
be loaded or
ejected
No sound
Sound skips
The radio does
not work
Cause Solution
The car ignition is not on. If the power supply is properly
connected to the car accessory
switch the ignition key to “ACC”
Replace the fuseThe fuse is blown
Presence of CD disc inside
the player
Inserting the disc in upside
down
Compact disc is extremely
dirty or defective
Temperature inside
the car is to high
Condensation
Remove the disc in the player
then put a new upward
Insert the compact disc with
the label facing upward
Clean the disc or try to play a
new one
Cool off until the ambient
temperature returns to normal
Leave the player off for an
hour or so ,then try again
Volume is in minimum
Wiring is not properly
connected
Adjust volume to a desired level
Check wiring connection
The installation angle
is more than 30 degrees
The disc is extremely
dirty or defective
The antenna cable is not
connected
the signals are to weak
Insert the antenna cable firmly
Select a station manually
Adjust the installation angle
to less than 30 degrees
Clean the compact disc/try to
play a new one

6
SPECIFICATION
GENERAL
Power requirement------------------------------DC 13.8V negative ground
Current consumption---------------------------------------------------3AMAX.
Maximum output power-------------------------------------------2 x 50 Watts
FM SECTION
Frequency range----------------------------------------------88MHz-108MHz
Usable sensitivity-----------------------------------------------------------10uV.
IF Frequency-----------------------------------------------------------10.7MHz
AM SECTION
Frequency range--------------------------------------------540KHz-1600KHz
LINE -OUT
Output-----------------------------------------250mV@FM10%THD POWER.
Impedance---------------------------------------------------------------600ohm.
CD PLAYER
System-----------------------------------------compact disc audio system.
Usable disc-------------------------------------------------------compact disc.
Signal to noise radio -------------------------70dB[1KHz] [IEC-Anet work].
Chassis dimensions---------------------------------183[W]X53[H]X160[D].
NOTE:
In spite of having any kinds of speaker system ,must use 4 ohms
impedance of speaker to reduce the distortion during high volume
level.
SPEAKER CONNECTION
3A
FUSE
Speaker connection
+GREEN
-GREEN/WHITE
GREY+
GREY/WHITE-
BLACK GROUND
POWER SUPPLY
YELLOWAUTOANTENNA
RED
ANTENNAPLUG
WHITE(L)
RED(R)
RCALINE OUT PLUG
LR

KEYPLATE
KEYPLATE
CONSOLE
TAPPING
SCREW
PLAIN WASHER
SPRING WASHER
HEX NUT
DASH BOARD
METAL MOUNTING STRAP
PLAIN WASHER
SLIDE BRACKET HOUSING
HEX BOLT
INSTALLATION