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PDF SA-AK22 Data sheet ( Hoja de datos )

Número de pieza SA-AK22
Descripción CD Stereo System Service Manual
Fabricantes Panasonic 
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No Preview Available ! SA-AK22 Hoja de datos, Descripción, Manual

ORDER NO. MD0101009C1
A6
CD Stereo System
SA-AK22
Colour
(S)... Silver Type
Area
(P)... U.S.A.
(PC)... Canada
TAPE SECTION :
SG2 MECHANISM SERIES
CD SECTION :
RAE0152Z-3 TRAVERSE DECK SERIES
Specifications
s AMPLIFIER SECTION
Power output
10% Total harmonic distortion
70 Hz-16 kHz, both channels driven
(LOW)
60 W per channel (6 )
Power output
10% Total harmonic distortion
1 kHz, both channels driven
(HIGH)
70 W per channel (6 )
Input sensitivity
AUX
250 mV
Input Impedance
AUX
13 k
s FM TUNER SECTION
Frequency range
87.9 - 107.9 MHz (200 kHz steps)
87.5 - 108.0 MHz (100 kHz steps)
Sensitivity
2.5 µV (IHF)
S/N 26 dB
2.2 µV
Antenna terminal(s)
75 (unbalanced)
s AM TUNER SECTION
Frequency range
520 - 1710 kHz (10 kHz steps)
Sensitivity
S/N 20 dB (at 1000 kHz)
560 µV/m
s CASSETTE DECK SECTION
Track system
4 track, 2 channel
Heads
Record/playback
Solid permalloy head
Erasure
Double gap ferrite head
Motor
DC servo motor
Recording system
AC bias 100 kHz
Erasing system
AC erase 100 kHz
Tape speed
4.8 cm/s
Frequency response (+3 dB, -6 dB at DECK OUT)
HIGH (TYPE II)
35 Hz - 14 kHz
S/N 50 dB (A weighted)
Wow and flutter
0.18 % (WRMS)
Fast forward and rewind time
Approx. 120 seconds with
C-60 cassette tape
s CD SECTION
Sampling frequency
44.1 kHz
Decoding
16 bit linear
Beam source/wave length
Semiconductor laser/780 nm
Number of channels
Stereo
Frequency response
20 Hz - 20 kHz (+1, -2 dB)
Wow and flutter
Below measurable limit
Digital filter
8 fs
© 2001 Matsushita Electronics (S) Pte. Ltd. All rights
reserved. Unauthorized copying and distribution is a
violation of law.

1 page




SA-AK22 pdf
5 Handling Precautions For Traverse Deck
SA-AK22
The laser diode in the traverse deck (optical pickup) may break down due to potential difference caused by static electricity of
clothes or human body.
So, be careful of electrostatic breakdown during repair of the traverse deck (optical pickup).
Handling of traverse deck (optical pickup)
1. Do not subject the traverse deck (optical pickup) to static electricity as it is extremely sensitive to electrical shock.
2. The short land between the No.4(LD) and No.5(GND) pins on the flexible board (FFC) is shorted with a solder build-up to
prevent damage to the laser diode.To connect to the PC board, be sure to open by removing the solder build-up, and finish the
work quickly.
3. Take care not to apply excessive stress to the flexible board (FFC).
4. Do not turn the variable resistor (laser power adjustment). It has already been adjusted.
Grounding for electrostatic breakdown prevention
1. Human body grounding
Use the anti-static wrist strap to discharge the static electricity from your body.
2. Work table grounding
Put a conductive material (sheet) or steel sheet on the area where the traverse deck (optical pickup) is placed, and ground
the sheet.
Caution :
The static electricity of your clothes will not be grounded through the wrist strap. So, take care not to let your clothes touch the
traverse deck (optical pickup).
Caution when Replacing the Traverse Deck :
The traverse deck has a short point shorted with solder to protect the laer diode against electroststics breakdown. Be sure to
remove the solder from the short point before making connections.
5

5 Page





SA-AK22 arduino
Remove Front Panel
SA-AK22
Step 4 : Remove the CD lid in the direction of the arrow.
Step 5 : Release the two catches shown above to remove the
front cabinet from the CD Traverse Unit.
Step 1 : Use a hexagonal wrench and turn clockwise to release
the tray.
Step 2 : Remove the 2 screws.
Separated front and rear panel assy.
Step 3 : Push the CD tray in the direction shown above.
11

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