DOWNLOAD Sharp CD-BA250 (serv.man4) Service Manual ↓ Size: 1.24 MB | Pages: 18 in PDF or view online for FREE

Model
CD-BA250 (serv.man4)
Pages
18
Size
1.24 MB
Type
PDF
Document
Service Manual
Brand
Device
Audio / System / Part 1 - Text (1-18)
File
cd-ba250-sm4.pdf
Date

Sharp CD-BA250 (serv.man4) Service Manual ▷ View online

– 5 –
CD-BA250H/CD-BA2600H
CD-BA250H/CD-BA2600H
Rear panel
1. FM 75 Ohms Aerial Sock
2. AM Loop Aerial Socket 
3. Video/Auxiliary (Audio Signal) Input Sockets 
4. Speaker Terminals
5. AC Power Lead 
2
1
3
4
5
Remote control
1. Remote Control Transmitter 
2. Disc Number Select Buttons 
3. CD Pause Button 
4. 
CD Memory Button 
5. CD Track Down or Fast Reverse Button 
6. CD Clear Button
7. 
Tape 1 Play Button 
8. Tape 1/Tape 2 Stop Button 
9. Equalizer Mode Select Button 
10. Tape 2 Record Pause Button 
11. CD Button 
12. Tuner (Band) Button 
13. On/Stand-by Button 
14. Extra Bass Button 
15. CD Stop Button
16. CD Play or Repeat Button 
17. CD Track Up or Fast Forward Button
18. CD Random Button 
19. 
Tuner Preset Up and Down Buttons 
20. Tape 2 Play Button 
21. Tape 2 Rewind Button 
22. Tape 2 Fast Forward Button 
23. Video/Auxiliary Button 
24. Tape (1 
25. Volume Up and Down Buttons 
1
2
15
16
17
18
19
20
21
24
3
6
4
7
8
9
10
14
13
12
11
5
25
22
23
  Buttons with " " mark in the illustration can be operated on the remote control 
only.
 
  Other buttons can be operated both on the main unit and the remote control.
 
 
 2) Button 
CD-BA250H/CD-BA2600H
– 6 –
OPERATION MANUAL
CP-BA250H/CP-BA2600H
Setting the Clock
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 the beginning. 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. 
(Refer to step 3 under "If trouble occurs")   
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. 
Holdit 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. [Perform to step 3 under "If trouble occurs"
2
Perform "Setting the Clock" from the beginning.
Speaker system
1. Tweeter
2. Woofer
3. Bass Reflex Duct
4. Speaker Wire
3
4
1
2
3
– 7 –
CD-BA250H/CD-BA2600H
Remote Control
Test of the remote control
Face the remote control directly to the remote sensor on the unit.
The remote control can be used within the range shown below:
Press the ON/STAND-BY button. Does the power turn on? Now, you can enjoy the
music.
0.2 m - 6 m
(8" - 20')
Remote sensor
Troubleshooting Chart
Many potential "problems" can be resolved by the owner without calling a service
technician.
If something is wrong with this product, check the following before calling your author-
ised SHARP dealer or service centre.
General
CD player
Tuner
Cassette deck
Remote control
Condensation
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. Refer 
to step 3 under "If trouble occurs" 
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 compu-
ter?
Is the FM aerial or AM loop aerial placed
properly? Move the AC power lead away
from the aerial if located near.
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 
ametal 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 opera-
tion in an extremely humid environment may
cause condensation inside the cabinet (CD pick-
up, 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 condensa-
tion on the transmitter with a soft cloth before op-
erating the unit.
Troubleshooting Chart
If trouble occurs
When this product is subjected to strong external interference (mechanical shock,
excessive static electricity, abnormal supply voltage due to lightning, etc.) or if it is
operated incorrectly, it may malfunction.
If such a problem occurs, do the following:
Caution:
This operation will erase all data stored in memory including clock, timer settings,
tuner preset, and CD programme.
 
 
Before transporting the unit
1
Set the unit to the stand-by mode and turn the power on again.
2
If the unit is not restored in step 1, unplug and plug in the unit, and then turn
the power on.
3
If neither step 1 nor 2 restores the unit, do the following:
Press the ON/STAND-BY button to enter the power stand-by mode.
Whilst pressing down the   /   button and the X-BASS/DEMO button, press
the ON/STAND-BY button until "CLEAR AL" appears.
1
Press the ON/STAND-BY button to turn the power on.
2
Press the CD button.
3
Press the   OPEN/CLOSE button to open the disc tray.
Remove all CDs inserted in the unit.
4
Press the   OPEN/CLOSE button to close the disc tray.
Make sure that "NO DISC" is displayed.
5
Press the ON/STAND-BY button to enter the stand-by mode, and then unplug
the AC power lead from the AC socket.
CD-BA250H/CD-BA2600H
– 8 –
Accessories
12
3
Battery installation of remote control
Use 2 “AA” size batteries (UM/SUM-3, R6, HP-7 or similar).
 Batteries are not included.
Remove the
Insert the batteries
Replace the cover
.
battery cover
.
as shown.
1
2
2
FM antenna  
× 
1
Remote control 
× 
1
AM loop antenna 
× 
1
System connections
3
3
AM loop antenna
FM antenna
Red
Black
Right speaker
Left speaker
W
all socket
(AC 230 V, 50 Hz)
(For U. K.)
Wall socket
(AC 230 V, 50 Hz)
(Except for U. K.)
Right speaker
Left speaker
RCA lead
(not supplied)
T
o
 the line
output sockets
VCR, DVD, etc.
TV
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