CD-DP900 (serv.man14). Operation - Sharp Audio Service Manual (repair manual)

cd-dp900 (serv.man14) service manual
Model
CD-DP900 (serv.man14)
Pages
3 Few pages! See other manuals at the bottom of the first or last page.
Size
303.75 KB
Type
PDF
Document
Service Manual
Brand
Device
Audio / System / Operation
File
cd-dp900-sm14.pdf
Date

Read Sharp CD-DP900 (serv.man14) Service Manual online

– 9 –
CD-DP900H/E
OPERATION MANUAL
In this example, the clock is set for the 24-hour (0:00) display.
Note:
The "CLOCK" or time will flash at the push of the CLOCK button when the AC power
supply is restored after a power failure or unplugging the unit.
Readjust the clock as follows.
To readjust the clock:
Perform "Setting the clock" from step 1. If the time display is flashing, step 3 (for
selecting the 24-hour or 12-hour display) will be skipped.
To change the 24-hour or 12-hour display:
1
Press the ON/STAND-BY button to turn the power on.
2
Press the CLOCK button and within 5 seconds, press the MEMO-
RY/SET button.
3
Press the TUNING/TIME (  or  ) button to select 24-hour or 12-
hour display and then press the MEMORY/SET button.
"0:00"
The 24-hour display will appear.
(0:00 - 23:59)
"AM 12:00"
The 12-hour display will appear.
 
(AM 12:00 - PM 11:59)
"AM 0:00"
The 12-hour display will appear.
 
(AM 0:00 - PM 11:59)
Note that this can only be set when the unit is first installed or it has been reset. 
4
Press the TUNING/TIME (  or  ) button to adjust the hour and then
press the MEMORY/SET button.
Press the TUNING/TIME (  or  ) button once to advance the time by 1 hour. 
Hold it down to advance continuously.
When the 12-hour display is selected, "AM" will change automatically to "PM".
5
Press the TUNING/TIME (  or  ) button to adjust the minutes and
then press the MEMORY/SET button.
Press the TUNING/TIME (  or  ) button once to advance the time by 1 
minute. Hold it down to change the time in 5-minute intervals.
The hour will not advance even if minutes advance from "59" to "00".
The clock begins counting from "0" seconds. (Seconds are not displayed.) 
The time display will disappear after a few seconds.
To confirm the time display:
Press the CLOCK button.
The time display will appear for about 5 seconds.
1
Clear all the programmed contents.
2
Perform "Setting the Clock" from step 1.
Illustration:CD-DP900H
Setting the clock
 
Cassette deck
 
Remote control
 
Condensation
Symptom
Possible cause
Cannot record.
Is the erase-prevention tab removed?
Cannot record tracks with proper 
sound quality.
Is it a normal tape? (You cannot record on 
a metal or CrO  tape.)
Cannot erase completely.
Sound skipping.
Is there any slack?
Is the tape stretched?
Cannot hear treble.
Are the capstans, pinch rollers, or heads 
dirty?
Sound fluctuation.
Cannot remove the tape.
If a power failure occurs during playback, 
the heads remain engaged with the tape. 
Do not open the compartment forcibly. 
Wait until electricity resumes.
Symptom
Possible cause
The remote control does not oper-
ate.
Is the AC power lead of the unit plugged 
in?
Is the battery polarity respected?
Are the batteries dead?
Is the distance or angle incorrect?
Does the remote control sensor receive 
strong light?
Sudden temperature changes, storage or operation in an extremely humid environ-
ment may cause condensation inside the cabinet (CD pickup, tape heads, etc.) or on 
the transmitter on the remote control.
Condensation can cause the unit to malfunction. If this happens, leave the power on 
with no disc (or cassette) in the unit until normal playback is possible (about 1 hour). 
Wipe off any condensation on the transmitter with a soft cloth before operating the 
unit.
Troubleshooting chart
Many potential problems can be resolved by the owner without calling a service tech-
nician.
If something is wrong with this product, check the following before calling your autho-
rised SHARP dealer or service centre.
General
 
CD player
 
Tuner
Symptom
Possible cause
The clock is not on time.
Did a power failure occur? Reset the 
clock.
When a button is pressed, the unit 
does not respond.
Set this unit to the power stand-by mode 
and then turn it back on.
If the unit still malfunctions, reset it.
 
No sound is heard.
Is the volume level set to "0"?
Are the headphones connected?
Are the speaker wires disconnected?
Symptom
Possible cause
Playback does not start.
Is the disc loaded upside down?
Playback stops in the middle or is 
not performed properly.
Does the disc satisfy the standards?
Is the disc distorted or scratched?
Playback sounds are skipped, or 
stopped in the middle of a track.
Is the unit located near excessive vibra-
tions?
Is the disc very dirty?
Has condensation formed inside the unit?
Symptom
Possible cause
Radio makes unusual noise con-
secutively.
Is the unit placed near the TV or comput-
er?
Is the FM aerial or AM loop aerial placed 
properly? Move the AC power lead or the 
unit away from the aerial if located near.
CD-DP900H/E
– 10 –
Accessories
12
3
Remote control battery installation
Use 2 
“AA”
 size batteries (UM/SUM-3,
 R6,
 HP-7 or similar).
 Batteries are not inc
luded.
Remo
ve the
Inser
t the batteries
Replace the
co
ver
.
    batter
y co
ver
.
as sho
wn.
1
1
2
2
FM aerial 
1
Remote control 
1
AM loop aerial 
1
"
A
A" si
z
e
 b
a
ttery (UM
/S
UM-3,
 R6,
CD-DP900H
CD-DP900E for AUSTRALIA/NEW ZEALAND
 HP-
7 or simi
la
r) 
 2
System connections
3
3
AM loop aerial
FM aerial
Fr
ont speaker
(Left)
Fr
ont speaker
(Right)
Surround speaker 
(Right)
Surround speaker 
(Left)
Centre speaker 
Bef
ore turning the po
wer on,
 be sure to remo
ve the transpor
t scre
on the bac
k of the unit using a flat head scre
wdriver or a coin.
Black
Red
Front speaker (Right)
Surround speaker (Right)
Surround speaker (Left)
Front speaker (Left)
Grey
Orange
Centre speaker
VCR,
 D
V
D
, etc.
TV
T
o
 the line
output soc
kets
RCA lead (not supplied)
W
all soc
ket
AC 230V, 50 Hz for CD-DP900H
AC 230-240V, 50 Hz for CD-DP900E(UK)
AC 230-240V, 50 Hz for CD-DP900E(AUSTRALIA and NEW ZEALAND)
Illustration:CD-DP900E
– 11 –
CD-DP900H/E
T
urn on y
4
4
1
2
The first time the unit is plugged
in, the unit will enter the demon-
stration mode
. Y
ou will see w
o
rd
s
scroll.
Press the
EQUALIZER/X-BASS/
DEMO button to cancel
the demonstration mode.
Listening to a CD (CDs)
FM stereo mode indicator
FM stereo receiving indicator
Listening to the radio
1
Press the CD b
utton.
2
Press the 
7 7 7 7 7 
OPEN/CLOSE b
utton to
open the disc tra
y
.
3
Place the CD(s) on the disc tra
y
, la-
bel side up.
When loading a third disc, press the
DISC SKIP button to turn the disc
tra
y
, then place the CD in the open
position.
4
Press the 
7 7 7 7 7 
OPEN/CLOSE button to
c
lose the disc tra
y
.
5
T
o
 select the CD y
ou want to listen
to fir
st,
 press the DISC SKIP b
utton.
6
Press the 
0 / R 0 / R 0 / R 0 / R 0 / R 
button to start play-
back.
1
Press the TUNER (BAND) button re-
peatedly to select the desired fre-
quenc
y band (FM or AM).
2
Press the TUNING/TIME (
XXXXX
 or 
WWWWW
)
button to tune in to the desired sta-
tion.
When the TUNING/TIME button is
pressed for more than 0.5 seconds,
scanning will start automatically and
the tuner will stop at the first receiv-
able broadcast station.
T
o
 receive an FM stereo transmission:
Press the TUNER (BAND) button to display the
“ST”
 indicator
.
jjjjj
” will appear when an FM broadcast is in
stereo.
Press the
ON/ST
AND-BY b
utton
to turn the power on.
6
3, 5
2, 4
1
12 cm (5")
8 cm (3")
2
1
If trouble occurs
When this product is subjected to strong external interference
k, e
xcessiv
e static electr
icity
, abnor
mal sup-
ply v
oltage due to lightning, etc.) or if it is oper
ated incorrectly
, it
may malfunction.
If such a problem occurs, do the following:
1.
Set the unit to the stand-by mode and turn the power
on again.
2.
plug and plug in the unit, and then turn the power on.
Note:
If neither operation above restores the unit, clear all the memory
by resetting it.
Clearing all the memory (reset)
1
.
Press the ON/ST
AND-BY b
utton to enter the po
wer
stand-by mode.
2.
Whilst pressing down the CLOCK button and the
EQUALIZER/X-BASS/DEMO button, press the ON/
ST
AND-BY button until 
“CLEAR AL
” appears.
Caution:
clock, timer settings, tuner preset, and CD programme.
Maintenance
Dirty heads, capstans or pinch rollers can cause poor
sound and tape jams. Clean these parts with a cotton swab
moistened with commercial head/pinch roller cleaner or
isopropyl alcohol.
When cleaning the heads, pinch rollers, etc., unplug the
unit which contains high voltages.
After long use,
 the dec
k’
s heads and capstans ma
y be-
come magnetised, causing poor sound. Demagenetise
b
y
 using a commer
cial tape head demagnetiser
. Read the
dema
gnetiser’
s instructions carefull
y bef
ore use
.
Clean the dust or stain on the CD pickup lens using a com-
mercial cleaning disc (brush type).
Listening to a cassette tape (T
APE 1 or 
T
APE 2)
1
Open the cassette door by pushing
the area marked “
7 7 7 7 7 
PUSH EJECT”.
2
Load a cassette into the 
T
APE 1 or
T
APE 2 cassette compar
tment with
the side to be played facing toward
you.
3
Press the 
T
APE (1 
VVVVV
 2) b
utton to se-
lect the cassette you want to listen
to.
4
Press the 
0 / R0 / R0 / R0 / R0 / R
 button to start play-
back.
TAPE 1
TAPE 2
A
C
B
C
D
E
B
A  Pla
ybac
k head
B  Capstan
C  Pinch roller
D  Er
ase head
E  Recording/Pla
ybac
k head
4
3
TAPE 1
TAPE 2
Illustration:CD-DP900E
Illustration:CD-DP900E
Page of 3
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Download Sharp CD-DP900 (serv.man14) Service Manual (Repair Manual)

Here you can read online and download Sharp CD-DP900 (serv.man14) Service Manual in PDF. CD-DP900 (serv.man14) service manual will guide through the process and help you recover, restore, fix, disassemble and repair Sharp CD-DP900 (serv.man14) System. Information contained in service manuals typically includes schematics / circuit diagrams, wiring diagrams, block diagrams, printed wiring boards, exploded views, parts list, disassembly / assembly, pcb.