Philips exp 341 service manual

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1-1 TECHNICAL SPECIFICATION General Dimensions (W x H x D) : 93.0 x 22.5 x 97.5mm Weight without batteries : 140g Power supply modes DC-in socket : 2.9..6.5V Primary batteries (2 x LR03) : 1.7..3.6V Rechargable batteries (AY3363) : 1.7..3.6V Voltage protection DC-in socket : -14.0..+14.0V Battery lifetime Battery level detection Charge section (not on all versions) Charge current : 250mA ±10% Charge time for 80% AY3363 : 3.0h nom. Charge time for 100% AY3363 : 4.0h nom. Max. charge time (µP controlled) : 4.75h Temperature protection : 50¡C ±5¡C Current consumption CDDA-playback Current consumption MP3-playback Shock resistance (ESP=off) +X/-X direction :³1.0g +Y/-Y direction :³1.0g +Z/-Z direction :³1.0g Headphone out (measured with 16½load, DBB/ESP=off) Output power (THD=10%) /17 version only : 2x10mW (+1/-3dB) all other versions : 2x3mW (+1/-3dB) Frequency response (1mW) : 100Hz-20kHz within 6dB S/N ratio (unwght) :³80dB (83dB typ.) S/N ratio (A-wght) :³82dB (85dB typ.) THD+N (1kHz, 1mW) :²1% (0.2% typ.) Channel crosstalk (1kHz, no load) :²-24dB (-44dB typ.) Channel unbalance (-40dB) :²5dB Volume attenuation (1kHz) :³60dB Sound presets Laser Output power : <5mW (3mW typ.) Wavelength : 780nm Measurement setup Use Audio Signal disc SBC429 4822 397 30184 Low pass filter DUT S/N and distortion meter L R i.e. Sennheiser UPM550 with FF-filter Level meter i.e. Sound Technology ST1700B i.e. 4822 395 3020422kHz 13th order T E S E R P D N U O S e s n o p s e r y c n e u q e r F z H k 3 6 z H k 1 z H k 0 1 N O E L B E R TBd 0±B d 2Bd 0±B d 2Bd 5±B d 2 1 S S A BBd 5 +±B d 2Bd 0±B d 2Bd 0±B d 2 2 S S A BBd 9 +±B d 2Bd 0±B d 2Bd 0±B d 2 T N E R R U C N O I T P M U S N O C ) V 5 . 4 ( Y L P P U S N I - C D ) V 5 2 . 2 ( Y L P P U S . T T A B F F O / N O = P S E P L = P S E F F O / N O = P S E P L = P S E e d o m - y a l P.p y t A m 0 4 1.p y t A m 0 0 1.p y t A m 0 7 1.p y t A m 0 2 1 e d o m - p m u J.p y t A m 0 2 3.p y t A m 0 0 4 e d o m - e g r a h C.p y t A m 0 0 3a/ n y b - d n a t S ) e g r a h c e r . l c x e (. p y t A m 0 354m. p y t A T N E R R U C N O I T P M U S N O C ) V 5 . 4 ( Y L P P U S N I - C D ) V 5 2 . 2 ( Y L P P U S . T T A B F F O / N O = P S E P L = P S E F F O / N O = P S E P L = P S E e d o m - y a l P.p y t A m 0 4 1.p y t A m 5 1 1.p y t A m 0 7 1.p y t A m 8 3 1 e d o m - p m u J.p y t A m 0 2 2.p y t A m 0 0 3 e d o m - e g r a h C.p y t A m 0 0 3a/ n y b - d n a t S ) e g r a h c e r . l c x e (. p y t A m 0 354m. p y t A L E V E L N O I T C E T E D s e i r e t t a b y r a m i r P s e i r e t t a b e l b a g r a h c e R y t p m e y r e t t a BV 8 . 1 V m 0 5 - / 0 0 1 +V 8 . 1 V m 0 5 - / 0 0 1 + 1 k a e w y r e t t a B+ l e v e l y t p m e y r e t t a b V 9 . 0±V m 0 0 1+ l e v e l y t p m e y r e t t a b V 7 . 0±V m 0 0 1 2 k a e w y r e t t a B+ l e v e l y t p m e y r e t t a b V 6 . 0±V m 0 0 1+ l e v e l y t p m e y r e t t a b V 5 . 0±V m 0 0 1 3 k a e w y r e t t a B+ l e v e l y t p m e y r e t t a b V 3 . 0±V m 0 0 1+ l e v e l y t p m e y r e t t a b V 3 . 0±V m 0 0 1 E M I T E F I L Y R E T T A B A D D C F F O / N O = P S E A D D C P L = P S E 3 P M N O = P S E 3 P M P L = P S E s e i r e t t a b y r a m i r P 3 0 R L x 2³h 8 . 2 ) . p y t h 5 . 3 (³h 8 . 3 ) . p y t h 3 . 5 (³h 5 . 2 ) . p y t h 5 . 3 (³h 9 . 4 ) . p y t h 7 ( s e i r e t t a b e l b a g r a h c e R ) h A m 0 0 7 ( 3 6 3 3 Y A³h 2 ) . p y t h 8 . 2 (³h 3 ) . p y t h 4 (³h 2 ) . p y t h 8 . 2 (³h 8 . 3 ) . p y t h 5 . 5 (

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1-2 CONNECTIONS AND CONTROLS 1VOL E..........adjusts the volume 2SOUNDS.........selects the bass and treble adjustment 3ESP .................Electronic Skip Protection prevents music interruptions caused by shocks 49.....................stops playback and switches the set off 5MODE .............selects playback options such as SHUFFLE and REPEAT 6DISPLAY .........selects the track and album information 7........................display 8...................marks and unmarks a favourite 9.................selects playback of favourites 02;...................switches the set on, starts playback and interrupts playback !Ð ......................MP3-CD only: selects the previous album or skips backward @°....................skips backward and searches backward #¤....................skips forward and searches forward $+ ......................MP3-CD only: selects the next album or skips forward %OPEN 2..........opens the CD lid ^LINE OUT/p....3.5mm line out to connect - the headphones - the remote control - this set to the audio input of your stereo equipment &........................eyelet for the carrying strap *OFF¥RESUME¥HOLD OFF .................switches RESUME and HOLD off RESUME.........stores the last position played HOLD ..............locks all buttons (........................type plate )4.5V DC ..........to connect the external power supply FIRMWARE UPGRADE Occasionally, Philips releases new software (ÒfirmwareÓ) for your set. 1Connect the mains adapter to 4.5V DC on the set and to the wall socket. 2Keep MODE pressed for 3 seconds. ®The type of your set and the current version of the firmware are displayed. Upgrade?is displayed. 3Press 9. 4Visit the Philips Audio homepage www.audio.philips.com. Check if there is a firmware file for your set and if the firmware version is higher than the current version of your set. Download the file and burn it on an 8 cm CD-ROM. 5Insert the CD-ROM into the set and keep MODE pressed for 3 seconds. ®Upgrade?is displayed. 6Press 2;: ®Upgradingis displayed and upgrading starts. This may take some minutes. After upgrading is finished, Upgrade complete is scrolled. ®Wrong upgrade fileis scrolled: Your set already has the latest firmware or the downloaded file does not correspond to your set. ®Upgrade file defectis scrolled: The upgrade file has been damaged during the download or when burning the CD-ROM. Download the file again, burn a new CD-ROM and try again. ®No upgrade fileis scrolled: No upgrade file was found on the inserted CD-ROM. Note: If upgrading is interrupted accidentally, repeat steps 5 and 6 until upgrading is completed successfully. LINE O U T VOL. OPEN SOUNDSESP ALBUM ALBUM SEARCH PLAY STOP DISPLA YM O D E 4.5VDC OFF ¥ RESUME ¥ HOLD 1 2 3 4 5 6 7 8 9 0 ! @ # $ % ^ * &) (