Panasonic SL-SW947P User manual
Audio(CD-DA)
Sampling frequency: 44.1kHz
No. of channels: 2 (left and right, stereo)
Headphoneoutput level: RMS max. 8mW+8mW/ 16 /
(adjustable)
Frequencyresponse: 20 to20,000 Hz / (+0.5dB ~ -
7dB)
MP3
Supportedbit-rates / (Supports
variablebit rates): 32kbpsto320kbps/ (128kbps
isrecommended)
Supportedsampling frequency: 48kHz/44.1kHz/32kHz
Maximumnumber oritems /
(total no. of albums and tracks): 999
Maximumalbumlevels: 100
Pickup
Light source: Semiconductorlaser
Wavelength: 780 nm
GENERAL
Power supply:
DC input (RP-AC46, not included)
;DC 4.5V
Operational temperature range: 0 °C—40 °C (32 °F—104 °F)
Rechargeabletemperature range: 5 °C—40 °C (41 °F—104 °F)
Playtime:
Using on aflat stablesurface at 25°C (77°F), EQ isoff, Holdison,
Anti-skipison POS 1(CD-DA), recommendedbit rate(MP3: 128
kbps), and theDigital Re-master isoff (MP3).Playtime are in
hours and approximate.
Batteries used:
2alkalinebatteries (LR6); MP3disc....110h/ CD-DA
disc....60h
2optional rechargeable
batteries (P-3GAVA/2B); MP3disc....44h/ CD-DA
disc....25h
Recharging time: About 3to4.5hours
-Theplaytimemaybeless depending on theoperating conditions.
-Playtimewill beconsiderablyreduced when playing CD-RW.
Dimensions(WxHxD): 140mmx32.7mmx141mm / (517/
32”×15/16”×59/16”)
Mass: 295.5g(10.43oz.) (with
batteries)
249.1g(8.79oz.) (without
batteries)
Note:
Specificationsare subject tochangewithout notice.
Mss and dimensionsare approximate.
Noteon CD-R and CD-RW:
ForCD-DAformat, use amusicdisc and finalize*it after
recording. Theunit maynot beabletoplaysome discs dueto
thecondition of therecording. / *Aprocess performedafter
recording that enables CD-R/CD-RWplayers toplayaudioCD-R
and CD-RW.
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2005 Matsushita ElectricIndustrial Co., Ltd. All rights reserved.
Unauthorized copying and distribution isaviolation of law.
1. Accessories
-1Pairof stereo headphones: L0BAD0000174
-1Hand strap: RGQT0006-K1
2. Precaution of Laser Diode
Caution:
Thisproduct utilizes aclass 1laser. Invisiblelaser radiation is
emitted from the optical pick-up lens when the unitisturned on:
1. Donot look directlyinto the pick-up lens.
2. Donot use optical instruments to look at the pick-up lens.
3. Donot adjust the preset variableresister on the optical pick-up.
4. Donot disassemblethe optical pick-up unit.
5. Ifthe optical pick-up isreplaced, use the manufacture’sspecified
replacement pick-up only.
6. Use of control or adjustments or performance of procedures other
than those specified hereinmayresultinhazardous radiation
exposure.
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3. Handling Precautions for Traverse Deck
The laserdiode inthe traverse deck (optical pick-up) maybreak downdue topotential
difference causedbystatic electricityof clothes orhumanbody.
So, be careful of electrostatic breakdownduring repairof the traverse deck (optical pick-up).
3.1. Handling of traverse deck (optical pick-up)
1. Donot subject the optical pick-up to staticelectricityas itis
extremelysensitive to electrical shock.
2. To protect the laser diode against electrostaticbreakdown, be
sure that the short land of the flexibleboard (FFCboard) should
be short-circuitbysolder before pulling out the FFC. Then
inserting ashort pinor similar object into the tipoftheflexible
board. / (Refer to Fig. 3-1. )
3. Take care not to applyexcessive stress to the flexibleboard (FFC
board).
4. Donot turn the variableresistor (laser power adjustment). Ithas
alreadybeen adjusted. (Refer to Fig. 3-1. )
Fig. 3-1.
3.2. Caution when replacing traverse deck
The newtraverse deck short-circuits bythe short pin, the foil (B) and short lands toprotect the
laserdiode against electrostatic breakdown. Be sure toreplace tonewone following
procedures.
1. Remove the short pinfrom the FFC, and then connect itto the
connector.
2. Cut the foil (B). (Refer to Fig. 3-1. )(Take care not to make contact
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with cutting point each other.)
3. Unsolder the short lands. (Refer to Fig. 3-1. )
3.3. Grounding for electrostaticbreakdownprevention
3.3.1. Human bodygrounding
Use the anti-static wrist straptodischarge the static electricityfromyourbody. (RefertoFig. 3-2.
)
Fig. 3-2.
3.3.2. Worktablegrounding
Put a conductive material (sheet) orsteel sheet on the area where the traverse deck (optical pick
-up) is placed, and ground the sheet. (Referto Fig. 3-3. )
Fig. 3-3.
Caution:
The staticelectricityof your clothes will not be grounded through
the wrist strap.
So take care not to let your clothes touch the traverse deck (optical
pick-up).
4. Operation Checks and Component Replacement /
Procedures
-Thissection describes procedures for checking the operation of
the major printed circuitboards and replacing the main
components.
-For reassemblyafter operation checks or replacement, reverse the
respective procedures. Special reassemblyprocedures are
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