Sharp DX-SX1 (serv.man2) Service Manual ▷ View online
DX-SX1H
– 5 –
OPERATION MANUAL
NAMES AND
CONNECTIONS
Connecting to SHARP’
s 1 bit amplifier
Connect the amplifier to both the 1-bit signal output and the line output terminals (FIXED).
SM-SX1
SM-SX1H
SM-SX1W
This player
Connect plugs securely to each terminal to prevent noise generation.
T
urn of
f the power of each piece of equipment before making any connection.
Before installation
Protectors are applied to all four feet.
Remove them before installation.
Protector
It is recommended to attach the three sup-
plied pads as shown below because this
player is supported at three points.
The pads prevent slippage or damaging the
rack.
Pad
Middle foot
at the back
1-bit signal output terminal
Connect to SHARP’
s 1 bit amplifier using the
supplied 1-bit signal cable.
1-bit signals of Super
Audio CDs can be
sent using SHARP’
s 1 bit amplifier only
.
Line output terminals
Connect to an amplifier using RCA cords.
[V
ARIABLE]
The line output and the headphone output
levels can be changed at the same time us-
ing the volume buttons on the remote con-
trol.
[FIXED]
The output level is unchangeable.
CUST
OM/ST
ANDARD selector
(analog output only)
This switch is ordinarily set to “ST
AN-
DARD”.
Set to “CUST
OM” when you connect the
player to SHARP’
s 1 bit amplifier
.
Use the point of a ball point
pen (or the like) to switch.
Conventional amplifiers and speakers are de-
signed to meet the audible range. If the vol-
ume or tone level of your amplifier is turned
up too high during playback, noise may be
generated or the protection circuit may be
activated.
Set this switch, according to the amplifier to
be connected, to prevent the above prob-
lems.
Setting to “CUST
OM” on an ordinary am-
plifier can cause noise or damage your
amplifier and speakers.
This switch does not affect the signals
sent from the 1-bit signal output terminal
and the digital output terminals.
Digital output terminals
Only signals of conventional CDs are sent
from the digital output terminals.
1-bit signals of Super
Audio CDs are not
sent.
[Digital (OPTICAL) output terminal]
Connect equipment using a square type op-
tical digital cable.
[Digital (COAXIAL) output terminal]
Connect equipment using RCA coaxial cable.
REMOTE CONTROL
Usable range
Approx.
15
°
Remote control sensor
Approx. 20 cm - 6 m (8'' - 20')
Approx.
15
°
Use the remote control within the range
shown to the left.
Do not expose the remote control sensor to
direct sunlight, as this may cause improper
operation.
Do not attach anything, such as a sticker
, to
the remote control sensor
.
The remote control may not work.
Replacing batteries for the remote control
The battery life is approximately 1 year when
used normally
.
Replace the batteries if the operating distance
is reduced.
DX-SX1H
– 6 –
Figure 6-4
DISASSEMBLY
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 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 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.
Figure 6-2
Figure 6-1
Figure 6-3
1
Top Panel
1. Screw .................. (A1) x5
6-1
2
Main PWB
1. Screw .................. (B1) x10
6-1
2. Socket ................. (B2) x6
3
Power PWB
1. Screw .................. (C1) x6
6-1
2. Socket ................. (C2) x5
4
SACD Mechanism/ 1. Screw .................. (D1) x7
6-2, 6-3
Front Panel
2. Screw .................. (D2) x8
3. Remove the tray cover.
4. Socket ................. (D3) x1
4. Socket ................. (D3) x1
5
Power Switch/
1. Screw .................. (E1) x5
6-4
Headphones PWB 2. Socket ................. (E2) x2
6
Display PWB
1. Screw .................. (F1) x7
7-1
7
CD Servo/
1. Screw .................. (G1) x7
7-2
Pickup Sensor/
2. Socket ................. (G2) x3
Mode Switch PWB 3. Flat Cable ........... (G3) x2
8
Tray Sensor PWB 1. Screw .................. (H1) x9
7-3
REMOVAL
PROCEDURE
STEP
FIGURE
(B1)x3
ø3x8mm
ø3x8mm
(B1)x2
ø3x8mm
ø3x8mm
(B1)x2
ø3x8mm
ø3x8mm
(B1)x3
ø3x8mm
ø3x8mm
(C1)x2
ø3x8mm
ø3x8mm
Top Panel
(A1)x5
ø4x7mm
ø4x7mm
(C1)x2
(B2)x2
(B2)x2
(B2)x2
(C1)x4
ø3x8mm
ø3x8mm
(C2)x1
Power
PWB
PWB
(C2)x1
(C2)x1
Main PWB
(D1)x2
ø2.6x8mm
ø2.6x8mm
(D1)x3
ø3x8mm
ø3x8mm
Bottom
Panel
Panel
(D1)x1
ø2.6x6mm
ø2.6x6mm
(D1)x1
ø2.6x6mm
ø2.6x6mm
(D2)x4
ø3x8mm
ø3x8mm
(D2)x2
ø3x8mm
ø3x8mm
(D2)x2
ø3x8mm
ø3x8mm
Front
Panel
Panel
(D3)x1
SACD
Mechanism
Mechanism
(E1)x3
ø3x8mm
ø3x8mm
(E1)x2
ø4x8mm
ø4x8mm
(E2)x2
Power Switch
PWB
PWB
Headphones
PWB
PWB
DX-SX1H
– 7 –
Figure 7-2
Figure 7-1
Figure 7-3
(F1)x2
ø2x5mm
ø2x5mm
(F1)x5
ø2.6x8mm
ø2.6x8mm
Display PWB
(G1)x1
ø1.7x3mm
ø1.7x3mm
(G1)x4
ø3x6mm
ø3x6mm
(G1)x2
ø2x5mm
ø2x5mm
(G3)x1
(G3)x1
(G2)x1
(G2)x2
CD Servo PWB
Pickup
Sensor PWB
Sensor PWB
Mode Switch
PWB
PWB
(H1)x4
ø2.6x6mm
ø2.6x6mm
(H1)x1
ø2.6x6mm
ø2.6x6mm
(H1)x2
ø2x5mm
ø2x5mm
(H1)x2
ø2.6x6mm
ø2.6x6mm
Top Plate
Tray Ass'y
Tray Sensor
PWB
PWB
DX-SX1H
– 8 –
REMOVING AND REINSTALLING THE MAIN PARTS
SACD MECHANISM SECTION
Perform steps 1, 4, 7 and 8 of the disassembly method to
remove the SACD mechanism.
remove the SACD mechanism.
How to remove the loading motor (See Fig. 8-1.)
1. Remove the lift lever.
2. Remove the screws (A1) x 4 pcs., to remove the gear cover.
3. Remove the screws (A2) x 2 pcs., to remove the loading
2. Remove the screws (A1) x 4 pcs., to remove the gear cover.
3. Remove the screws (A2) x 2 pcs., to remove the loading
motor.
Figure 8-1
(A2) x2
ø1.7x2mm
ø1.7x2mm
(A1) x4
ø2x5mm
ø2x5mm
Gear Cover
Loading
Motor
Motor
Lift Cover
(Adjusting the SACD mechanism completed products)
It is necessary to position the spindle motor, the sub-shaft
(mechanism), and the pickup to play a nonstandardized SACD
disc. If the pickup or motor is replaced at the service division,
these adjustments cannot be performed because of the facility
and measuring equipment matters.
The SACD mechanism completed products are adjusted for
the above reasons.
It is necessary to position the spindle motor, the sub-shaft
(mechanism), and the pickup to play a nonstandardized SACD
disc. If the pickup or motor is replaced at the service division,
these adjustments cannot be performed because of the facility
and measuring equipment matters.
The SACD mechanism completed products are adjusted for
the above reasons.
After installing:
After installing the SACD mechanism completed product,
remove the two solders shown below.
After installing the SACD mechanism completed product,
remove the two solders shown below.
Figure 8-2
Remove these two solders after installing
the SACD mechanism completed product.
the SACD mechanism completed product.
• The two solders are used to eliminate static electricity before installing the SACD mechanism completed product.
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