Sharp SD-SG11 (serv.man8) Service Manual / Specification ▷ View online
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SD-SG11H
Precaution to be taken when replacing and servicing the laser pickup.
The following precautions must be observed during servicing to protect your eyesvagainst exposure to the laser.
Warning of possible eye damage when repairing:
If the AC power plug is connected when the inner cover of the unit is removed, the laser will light up during focus access (about
1 second) (Fig. 3-1).
During this operation, the laser will leak from the opening between the magnetic head and cartridge holder (Fig. 3-2).
In order to protect your eyes, you must not look at the laser during repair.
Before repairing, be sure to disconnect the AC power plug.
The following precautions must be observed during servicing to protect your eyesvagainst exposure to the laser.
Warning of possible eye damage when repairing:
If the AC power plug is connected when the inner cover of the unit is removed, the laser will light up during focus access (about
1 second) (Fig. 3-1).
During this operation, the laser will leak from the opening between the magnetic head and cartridge holder (Fig. 3-2).
In order to protect your eyes, you must not look at the laser during repair.
Before repairing, be sure to disconnect the AC power plug.
Figure 3-1
Magnetic Head
Optical Pickup
,,
Magnetic Head
Optical Pickup
Spindle Motor
Laser Beam
Cartridge Holder
Mechanism
Chassis
Chassis
Figure 3-2
FOR A COMPLETE DESCRIPTION OF THE OPERATION OF THIS UNIT, PLEASE REFER
TO THE OPERATION MANUAL.
TO THE OPERATION MANUAL.
SPECIFICATIONS
General
Power source
AC 230 V, 50 Hz
Power consumption
Power on: 54 W
Power stand-by: 0.6 W
Dimensions
MD/CD/tuner unit
Width: 318 mm (12-9/16")
Height: 210 mm (8-5/16")
Depth: 93 mm (3-11/16")
Height: 210 mm (8-5/16")
Depth: 93 mm (3-11/16")
Amplifier unit
Width: 160 mm (6-5/16")
Height: 210 mm (8-5/16")
Depth: 153 mm (6)
Height: 210 mm (8-5/16")
Depth: 153 mm (6)
Weight
MD/CD/tuner unit
3.7 kg (8.2 lbs.)
Amplifier unit
3.7 kg (8.2 lbs.)
Input/output terminals
MD/CD/tuner unit
Auxiliary input: 500 mV/47 kohms
Digital input (optical)
System output (RCA)
Line output: 500 mV/47 kohms
Headphones: 16 - 50 ohms (recommended: 32 ohms)
System control (SD-SG11H amplifier unit only)
Amplifier unit
System input (RCA)
Speakers: 4 ohms
System control (SD-SG11H MD/CD/tuner unit only)
Amplifier
CD player
MiniDisc
Tuner
64fs 1-bit switching
(Remarks:fs = 44.1 kHz)
Rated output power
RMS: 50 W (25 W + 25 W) (DIN 45 324)
A/D noise shaping
7th-order (delta - sigma) modulation
Type
1-disc slot-in type compact disc player
Signal readout
Non-contact, 3-beam semiconductor laser pickup
D/A converter
1-bit D/A converter
Frequency response
20 - 20,000 Hz
Dynamic range
90 dB (1 kHz)
Type
MiniDisc Recorder
Signal readout
Non-contact, 3-beam semiconductor laser pickup
Rotation speed
400 - 900 rpm CLV, Approx.
Error correction
ACIRC (Advanced Cross Interleave Reed-Solomon Code)
Quantization
20-bit linear (A/D converter)
Coding
ATRAC (Adaptive TRansformed Acoustic Coding), ATRAC
3
3
Sampling frequency
44.1 kHz
Recording method
Magnetic modulation overwrite method
Frequency response
20 - 20,000 Hz
D/A converter
1-bit D/A converter
Wow and flutter
Unmeasurable (less than 0.001% W. peak)
Signal/noise ratio
95 dB (1 kHz)
Dynamic range
90 dB (1 kHz)
Audio channel
Stereo: 2 channels (SP, LP2, LP4)
Monaural: 1 channel (MONO)
Frequency range
FM: 87.5 - 108 MHz
AM: 522 - 1,620 kHz
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