Sharp XL-40 Service Manual ▷ View online
– 5 –
XL-40H/50H
OPERATION MANUAL
PREPARATION FOR USE
■
Connecting the
AC power lead
AC 230 V
, 50Hz
T
o
an
AC socket
T
o
AC
INPUT
Connect the
AC power lead to the
AC power input
socket, then connect the
AC power lead plug to an
AC socket.
Notes:
●
Unplug the
AC power lead from the
AC socket if
the unit is not to be used for a prolonged period
of time.
●
Never use a power lead other than the one sup-
plied. Otherwise, a malfunction or an accident
may occur
.
15
15
Notes concerning use:
●
Replace the batteries if the operating distance is
reduced or if the operation becomes erratic.
●
Periodically clean the transmitter LED on the re-
mote control and the sensor on the main unit
with a soft cloth.
●
Exposing the sensor on the main unit to strong
light may interfere with operation. Change the
lighting or the direction of the unit.
●
Keep the remote control away from moisture,
excessive heat, shock, and vibrations.
0.2m - 6m
(8” - 20”)
■
Remote control
RESETTING THE MICROCOMPUTER
1
3
3
2,3
AC INPUT
Reset the microcomputer under the following
conditions:
●
T
o
erase all of the stored memory contents (clock
and timer settings, and tuner and CD presets).
●
If the display is not correct.
●
If the operation is not correct.
1
Press the ON/ST
AND-BY
button to enter the
stand-by mode.
2
Unplug the
AC power lead from the
AC INPUT
socket on this unit.
3
Whilst pressing down the MEMOR
Y/SET
but-
ton and the
button, plug the
AC power lead
into the
AC INPUT
socket on this unit.
Caution:
●
The operation explained above will erase all data
stored in memory
, such as clock and timer set-
tings, and tuner and CD presets.
SETTING THE CLOCK
1
Press the CLOCK/TIMER/SLEEP button to en-
ter the time check mode.
2
W
ithin 3 seconds, press the MEMOR
Y/SET
but-
ton.
3
T
urn the jog dial to select the time display mode.
0:00 AM 12:00
“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 1
1:59)
●
Note that this can only be set when the unit is
first installed or it has been reset (see page 26).
4
Press the MEMOR
Y/SET
button.
5
Adjust the hour by turning the jog dial.
●
When the jog dial is turned one click clockwise,
the time will increase by 1 hour
. When it is turned
one click anti-clockwise, the time will decrease
by 1 hour
.
Keep turning the jog dial to change the time con-
tinuously
.
●
When the 12-hour display is selected, “AM” will
change automatically to “PM”.
(Main unit operation)
In this example, the clock is set for the 24-hour
(0:00) system.
CLOCK/TIMER/
SLEEP
MEMOR
Y/SET
Jog dial
6
Press the MEMOR
Y/SET
button.
7
Adjust the minutes by turning the jog dial.
●
When the jog dial is turned one click clockwise,
the time will increase by 1 minute. When it is
turned one click anti-clockwise, the time will de-
crease by 1 minute.
Keep turning the jog dial to change the time con-
tinuously
.
●
The hour setting will not advance even if min-
utes advance from “59” to “00”.
8
Press the MEMOR
Y/SET
button.
●
The clock starts operating from “0” second. (Sec-
onds are not displayed.)
Note:
●
In the event of a power failure or when the
AC
power lead is disconnected, the clock display will
go out.
When the
AC power supply is restored, the clock
display will flash on and off to indicate the time
when the power failure occurred or when the
AC
power lead was disconnected.
If this happens, follow the procedure below to
change the clock time.
T
o
change the clock time:
Perform steps 1, 2 and 4 - 8 above.
T
o
change the time display mode:
1
Perform steps 1 - 3 in the section “RESETTING
THE MICROCOMPUTER”, on page 26.
2
Perform steps 1 - 8 above.
XL-40H/50H
– 6 –
1
Side Panel(Left/Right) 1. Screw .................. (A1) x8
6-1
2
Top Cabinet
1. Screw .................. (B1) x1
6-1
Switch PWB
2. Socket ................. (B2) x2
3
Rear Panel
1. Screw .................. (C1) x2
6-1
4
Main PWB/
1. Screw .................. (D1) x3
6-2
Headphones PWB
2. Screw .................. (D2) x2
3. Bracket ................ (D3) x1
4. Socket ................. (D4) x3
5. Flat wire ............... (D5) x1
6. Socket ................. (D6) x1
4. Socket ................. (D4) x3
5. Flat wire ............... (D5) x1
6. Socket ................. (D6) x1
5
Jog Switch PWB
1. Socket ................. (E1) x1
6-2
2. Screw .................. (E2) x2
3. Knob .................... (E3) x1
3. Knob .................... (E3) x1
6
Display PWB/
1. Screw .................. (F1) x2
6-2
LED PWB
2. Screw .................. (F2) x3
(With Jog Motor
3. Bracket ................ (F3) x1
Flame)
4. Socket ................. (F4) x1
5. Hook .................... (F5) x2
6. Hook .................... (F6) x2
5. Hook .................... (F5) x2
6. Hook .................... (F6) x2
7
Front Panel
1. Screw .................. (G1) x1
6-2
2. Socket ................. (G2) x1
3. Screw .................. (G3) x1
3. Screw .................. (G3) x1
8
Power PWB
1. Screw .................. (H1) x4
6-2
2. Screw .................. (H2) x1
3. Screw .................. (H3) x1
4. Bracket ................ (H4) x1
3. Screw .................. (H3) x1
4. Bracket ................ (H4) x1
9
Tape Mechanism
1. Open the cassette holder
6-3
2. Screw .................. (J1) x4
10
CD PWB/
1. Screw .................. (K1) x3
6-4
Open Close Switch 2. Hook .................... (K2) x2
PWB (Note)
PWB (Note)
3. Socket ................. (K3) x3
11
CD Mechanism
1. Screw .................. (L1) x3
6-4
DISASSEMBLY
Figure 6-2
Figure 6-3
STEP
REMOVAL
PROCEDURE
FIGURE
Figure 6-1
XL-40H/50H
XL-40H/50H
Note:
After removing the connector for the optical pickup fromthe
connector wrap the conductive aluminium foil around the front
end of connector so as to protect the optical pickup from
electrostatic damage.
After removing the connector for the optical pickup fromthe
connector wrap the conductive aluminium foil around the front
end of connector so as to protect the optical pickup from
electrostatic damage.
Caution on Disassembly
Follow the below-mentioned notes when disassembling
the unit and reassembling it, to keep it safe and ensure
excellent performance:
1. Take cassette tape and compact disc out of the unit.
2. Be sure to remove the power supply plug from the wall
Follow the below-mentioned notes when disassembling
the unit and reassembling it, to keep it safe and ensure
excellent performance:
1. Take cassette tape and compact disc out of the unit.
2. Be sure to remove the power supply plug from the wall
outlet before starting to disassemble the unit.
3. Take off nylon bands or wire holders where they need to
be removed when disassembling the unit. After servicing
the unit, be sure to rearrange the leads where they were
before disassembling.
the unit, be sure to rearrange the leads where they were
before disassembling.
4. Take sufficient care on static electricity of integrated
circuits and other circuits when servicing.
(A1)x2
ø3x10mm
ø3x10mm
(B2)x1
(C1)x1
ø3x10mm
ø3x10mm
Side Panel
(Right)
(Right)
Front
Panel
Panel
RearPanel
(C1)x1
ø3x10mm
ø3x10mm
Side Panel
(Lift)
(Lift)
(B2)x1
(A1)x4
ø3x10mm
ø3x10mm
(A1)x1
ø3x10mm
ø3x10mm
(A1)x1
ø3x10mm
ø3x10mm
(B1)x1
ø3x10mm
ø3x10mm
Top Cabinet
CD PWB
Display
PWB
PWB
Main PWB
Figure 6-4
Figure 6-5
Tape
Mechanism
Mechanism
Open
(J1)x4
ø2.5x10mm
ø2.5x10mm
Front Panel
Cassette
Holder
Holder
CD Mechanism
(L1)x3
ø2.5x10mm
ø2.5x10mm
PWB Washer x3
Top Cabinet
(F2)x2
ø2.5x10mm
ø2.5x10mm
(F2)x1
ø2.5x10mm
ø2.5x10mm
(F1)x2
ø2.5x14mm
ø2.5x14mm
(E2)x2
ø2.5x12mm
ø2.5x12mm
(D2)x1
ø3x8mm
ø3x8mm
Main PWB
Power PWB
Power PWB
Main Power Transformer
Sub Power
Transformer
Transformer
Front Panel
Display PWB
LED
PWB
PWB
(H1)x4
ø3x6mm
ø3x6mm
(D2)x1
ø3x8mm
ø3x8mm
(D3)x1
(G2)x1
(H2)x1
ø3x10mm
ø3x10mm
(H3)x1
ø3x6mm
ø3x6mm
(G1)x1
ø3x8mm
ø3x8mm
(G3)x1
ø3x6mm
ø3x6mm
(D4)x1
(D4)x1
(F3)x1
(D5)x1
(F5)x2
(F6)x2
(E3)x1
(D4)x1
(H4)x1
Tape
Mechanism
PWB
Mechanism
PWB
(F4)x1
Headphones
PWB
PWB
(E1)x1
(D1)x2
ø3x10mm
ø3x10mm
Sub Power Transformer
Jog Motor
Holder
Holder
Jog Switch
PWB
(D6)x1
(D1)x1
ø3x10mm
ø3x10mm
(K1)x3
ø2.5x14mm
ø2.5x14mm
(K3)x1
(K2)x2
(K3)x2
Top Cabinet
CD PWB
Open/Close
Switch PWB
Switch PWB
CD Motor PWB
CD Mechanism
– 7 –
XL-40H/50H
TAPE MECHANISM SECTION
Perform steps 1 to 7 and 9 of the disassembly method to
remove the tape mechanism. (See page 6.)
remove the tape mechanism. (See page 6.)
How to remove the record / playback and erase
heads (See Fig. 7-2.)
heads (See Fig. 7-2.)
1. Remove the screws (A1) x 2 pcs., to remove the erase
head.
2. Remove the screws (A2) x 2 pcs., to remove the record/
playback head.
Note:
After replacing the heads and performing the azimuth
adjustment, be sure to apply screwlock.
After replacing the heads and performing the azimuth
adjustment, be sure to apply screwlock.
How to remove the pinch roller (See Fig. 7-3.)
1. Carefully bend the pinch roller pawl in the direction of the
arrow
<A>
, and remove the pinch roller (B1) x 1 pc.,
upwards.
How to remove the belts (See Fig. 7-4.)
1. Remove the main belt (C1) x 1 pc., from the motor pulley.
2. Remove the FF/REW belt (C2) x 1 pc., from the REW/FF
2. Remove the FF/REW belt (C2) x 1 pc., from the REW/FF
roller.
3. Put on the belts in the reverse order of removal.
Note:
When putting on the belt, ascertain that the belt is not twisted,
and clean it.
Note:
When putting on the belt, ascertain that the belt is not twisted,
and clean it.
How to remove the motor
(See Figs. 7-5.)
(See Figs. 7-5.)
1. Remove the mainbelt.
2. Remove the screws (D1) x 2 pcs., to remove the motor
2. Remove the screws (D1) x 2 pcs., to remove the motor
bracket.
3. Remove the screws (D2) x 3 pcs., to remove the motor.
Note:
When mounting the motor, pay attention to the motor mounting
angle
Note:
When mounting the motor, pay attention to the motor mounting
angle
Figure 7-2
Figure 7-3
Figure 7-4
Figure 7-5
<A>
Pinch Roller
(B1)x1
(B1)x1
Pinch Roller
Pawl
Pawl
REMOVING AND REINSTALLING THE MAIN PARTS
Main Belt
(C1)x1
(C1)x1
FF/REW Belt
(C2)x1
(C2)x1
REW/FF
Clutch
Clutch
Motor
1
Speaker
1. Front panel .......... (A1) x1
7-1
2. Screw .................. (A2) x4
STEP
REMOVAL
PROCEDURE
FIGURE
CP-XL40H/50H
Figure 7-1
(A2)x4
ø4x12mm
ø4x12mm
(A1x1)
Woofer
Speaker Box
Driver
Direction of handle
Driver should be
pried away from
speaker Box.
pried away from
speaker Box.
Erase Head
Record/
Playback Head
Playback Head
(A1)x2
ø2x8mm
ø2x8mm
(A2)x1
ø2x3mm
ø2x3mm
(A2)x1
ø2x7mm
ø2x7mm
(D1)x1
ø2x4mm
ø2x4mm
(D2)x3
Special
Screw
Special
Screw
Motor
Bracket
Bracket
Motor
Motor
(D1)x1
ø2x4mm
ø2x4mm
XL-40H/50H
– 8 –
Figure 8-4
How to remove the pickup (See Fig. 8-4)
1. Remove the mechanism cover, paying attention to the
pawls (A1) x 4 pcs.
2. Remove the screws (A2) x 2 pcs., to remove the shaft (A3)
x 1 pc.
3. Remove the stop washer (A4) x 1 pc., to remove the gear
(A5) x 1 pc.
4. Remove the pickup.
Note:
After removing the optical pickup connector wrap the front
end of connector in conductive aluminium foil so as to
prevent damage of optical pickup by static electricity.
end of connector in conductive aluminium foil so as to
prevent damage of optical pickup by static electricity.
CD MECHANISM SECTION
Perform steps 1, 2 and 10, 11 of the disassembly method to
remove the CD mechanism.
remove the CD mechanism.
Pickup Unit
(A2) x2
ø2.6 x6mm
ø2.6 x6mm
(A1) x2
CD Mechanism
Shaft
(A3) x1
(A3) x1
Gear
(A5) x1
(A5) x1
StopWasher
(A4) x1
(A4) x1
Mechanism Cover
(A1) x2
How to remove the tape mechanism PWB
(See Fig. 8-2.)
(See Fig. 8-2.)
1. Remove the screws (F1) x 1 pc., to remove the tape
mechanism PWB.
2. Remove the screws (F2) x 1 pc.
3. Remove the solder joints (F3) x 2 pcs., to remove the tape
3. Remove the solder joints (F3) x 2 pcs., to remove the tape
mechanism PWB.
How to remove the jog motor
(See Figs. 8-3.)
(See Figs. 8-3.)
1. Remove the side panel and top cabinet.
2. Remove the jog belt (G1) x 1 pc., from the motor pulley.
3. Remove the screws (G2) x 2 pcs., to remove the jog motor.
Note:
When putting on the belt, ascertain that the belt is not twisted,
and clean it.
2. Remove the jog belt (G1) x 1 pc., from the motor pulley.
3. Remove the screws (G2) x 2 pcs., to remove the jog motor.
Note:
When putting on the belt, ascertain that the belt is not twisted,
and clean it.
Figure 8-2
Figure 8-3
(G2)x2
ø2x5mm
ø2x5mm
Worm
Gear
Gear
Jog Belt
(G1)x1
(G1)x1
Jog Motor
Holder
Holder
Jog Motor
Display PWB
Figure 8-1
How to remove the flywheel (See Fig. 8-1.)
1. Remove the belt.
2. Remove the stop washer (E1) x 1 pc., with a small precision
2. Remove the stop washer (E1) x 1 pc., with a small precision
screwdriver to extract the flywheel from the capstan metal.
Note:
When the stop washer is deformed or damaged, replace it
with a new one.
When the stop washer is deformed or damaged, replace it
with a new one.
How to reinstall the parts
Install each part in the reverse order of the removal with care.
Stop
Washer
Washer
Driver
(E1)x1
Stop Washer
Stop Washer
Mechanism
Chassis
Chassis
Washerx2
Flywheel
Tape
Mechanism
PWB
Mechanism
PWB
Tape
Mechanism
PWB
Mechanism
PWB
(F3)x2
Solder
Joint
Solder
Joint
(F2)x1
ø2x8mm
ø2x8mm
(F1)x1
ø2x3mm
ø2x3mm
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