Philips-FWC-170-Service-Manual(1) 电路图 维修手册.pdf

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1、GB CLASS 1 LASER PRODUCT COMPACT DIGITAL AUDIO Service Manual Service ServiceService ServiceService FWC170/21/22/25 TABLE OF CONTENTS Page Location of PCBs fr Reparaturen sind Original-Ersatzteile zu verwenden. I Le norme di sicurezza esigono che lapparecchio venga rimesso nelle condizioni originali

2、 e che siano utilizzati i pezzi di ricambio identici a quelli specificati. After servicing and before returning set to customer perform a leakage current measurement test from all exposed metal parts to earth ground to assure no shock hazard exist. The leakage current must not exceed 0.5mA. CLASS 1

3、LASER PRODUCT 3122 110 03420 GB Warning ! Invisible laser radiation when open. Avoid direct exposure to beam. SVarning ! Osynlig laserstrlning nr apparaten r ppnad och sprren r urkopplad. Betrakta ej strlen. SFVaroitus ! Avatussa laitteessa ja suojalukituksen ohitettaessa olet alttiina nkymttmlle la

4、seristeilylle. l katso steeseen! DK Advarse ! Usynlig laserstrling ved bning nr sikkerhedsafbrydere er ude af funktion. Undg udsaettelse for strling. PREPARATIONS AND CONTROLS 2-1 Preparations Rear connections The type plate is located at the rear of the system. APower Before connecting the AC power

5、 cord to the wall outlet, ensure that all other connections have been made. WARNING! For optimal performance, use only the original power cable . Never make or change any connections with the power switched on. BAntennas Connection Connect the supplied AM loop antenna and FM antenna to the respectiv

6、e terminals. Adjust the position of the antenna for optimal reception. AM Antenna Fix the claw to the slot Position the antenna as far as possible from a TV, VCR or other radiation source. R+?L speaker (right) speaker (left) FM wire antennaAM loop antenna A B C +? AC power cord VOLTAGE SELECTOR 110V

7、- 127V 220V- 240V For users in the U.K.: please follow the instructions on page 2-3. Preparations FM Antenna For better FM stereo reception, connect an outdoor FM antenna to the FM ANTENNA terminal. CSpeakers Connection Front Speakers Connect the speaker wires to the SPEAKERS terminals, right speake

8、r to R and left speaker to L, coloured (marked) wire to + and black (unmarked) wire to -. 1 2 Fully insert the stripped portion of the speaker wire into the terminal as shown. Notes: For optimal sound performance, use the supplied speakers. Do not connect more than one speaker to any one pair of +/-

9、 speaker terminals. Do not connect speakers with impedance lower than the speakers supplied. Please refer to the SPECIFICATIONS section of this manual. Inserting batteries into the remote control Insert two batteries type R03 or AAA (not supplied) into the remote control with the correct polarity as

10、 indicated by the + and - symbols inside the battery compartment. CAUTION! Remove batteries if they are exhausted or will not be used for a long time. Do not use old and new or different types of batteries in combination. Batteries contain chemical substances, so they should be disposed off properly

11、. PREPARATIONS AND CONTROLS 2-2 4 DSCDBBMUTE 2 CD 1/2/3 REPEATSHUFFLESLEEP TUNERTAPE 1/2DIM MUTENEWS/TA VOL ( ) 5 % 2 8 # ! $ # % & STANDBY ON ECO POWER BANDTAPE 1 2 TUNERTAPE DIGITAL SOUND CONTROL DYNAMIC BASS BOOST MASTER VOLUME PROGRAM CLOCKTIMER DIM MODE PRESETNEXT/STOPCLEAR / DEMO STOPPRESETPRE

12、V/ SEARCHTUNING SEARCHTUNING PLAY PAUSE 1 2 3 4 5 6 7 8 9 0 * Controls Controls on the system and remote control 1STANDBY ON y to switch the system on or to standby mode. 2TUNER (BAND) to select waveband : FM or MW. TAPE (TAPE 12) to select tape mode. 3ECO POWER to switch the system on or to Eco Pow

13、er standby mode. 4CD 1/ CD 2/ CD 3 (CD 1/2/3) to select disc tray 1, 2 or 3. 5DSC (DIGITAL SOUND CONTROL) to select the desired sound effect : JAZZ, ROCK, TECHNO or OPTIMAL. 6OPEN/CLOSE to open or close the disc tray. 7DISC CHANGE to change disc(s). 8DBB (DYNAMIC BASS BOOST) to select the desired ba

14、ss boost level. 9PROGRAM for CD .to programme disc tracks. for Tuner .to programme preset radio stations. for Clock .to select 12- or 24-hour clock mode. for Timer.to select CD programme mode as the wake up source. 0Tape deck 1 operation .to start recording. .to start playback. / .to rewind or fast

15、forward. 70.to stop playback/recording or to open the tape door. .to interrupt playback or recording. !Tape deck 2 operation .to start playback. / .to rewind or fast forward. 70 .to stop playback or to open the tape door. .to interrupt playback. CLOCKTIMER to view the clock, set the clock or set the

16、 timer. #DIM MODE (DIM) to select different brightness for the display screen : DIM 1, DIM 2, DIM 3 or DIM OFF. $n to connect headphones. %MASTER VOLUME (VOL +/-) to increase or decrease the volume. Mode Selection PLAYPAUSE for CD .to start or interrupt playback. for Plug & Play(on the system only)

17、to initiate and start plug & play mode. SEARCHTUNING for CD .to search backward/forward. for Tuner .to tune to a lower or higher radio frequency. for Clock .(on the system only) to set the hour. STOPCLEAR / DEMO STOP for CD .to stop playback or to clear a programme. for Tuner .(on the system only) t

18、o stop programming or to erase a selected preset. for Demo.(on the system only) to activate/ deactivate the demonstration. for Clock .(on the system only) to exit clock setting or cancel timer. for Plug & Play(on the system only) to exit plug & play mode. PREPARATIONS AND CONTROLS 2-3 PREV / PRESET

19、4 NEXT / PRESET3 for CD .to skip to the beginning of the current, previous, or next track. for Tuner .to select a preset radio station. for Clock .(on the system only) to set the minute. &Display screen to view the current status of the system. *Disc tray (REPEAT to playback track(s)/disc(s)/program

20、me repeatedly. )SHUFFLE to playback all available discs and their tracks/ programme in random order. MUTE to interrupt or resume sound reproduction. SLEEP to activate/deactivate or set the sleep timer. B to switch the system to standby mode . to switch the system to Eco Power standby mode . Notes fo

21、r remote control: First, select the source you wish to control by pressing one of the source select keys on the remote control (CD 1/2/3 or TUNER, for example). Then select the desir ed function (, , , for example). Controls Important notes for users in the U.K. Mains plug This apparatus is fitted w

22、ith an approved 13 Amp plug. To change a fuse in this type of plug proceed as follows: 1Remove fuse cover and fuse. 2Fix new fuse which should be a BS1362 5 Amp, A.S.T.A. or BSI approved type. 3Refit the fuse cover. If the fitted plug is not suitable for your socket outlets, it should be cut off and

23、 an appropriate plug fitted in its place. If the mains plug contains a fuse, this should have a value of 5 Amp. If a plug without a fuse is used, the fuse at the distribution board should not be greater than 5 Amp. Note: These vered plug must be disposed of to avoid a possible shock hazard should it

24、 be inserted into a 13 Amp socket else where. How to connect a plug The wires in the mains lead are coloured with the following code: blue = neutral (N), brown = live (L). As these colours ma y not cor respond with the colour mar kings identifying the terminals in your plug, proceed as follows: Conn

25、ect the blue wire to the terminal marked N or coloured black. Connect the brown wire to the terminal marked L or coloured red. Do not connect either wire to the earth terminal in the plug, marked E (or e) or coloured green (or green and yellow). Before replacing the plug cover, make certain that the

26、 cord grip is clamped over the sheath of the lead - not simply over the two wires. Copyright in the U.K. Recording and playback of material may require consent. See Copyright Act 1956 and The Performers Protection Acts 1958 to 1972. Norge Typeskilt finnes p apparatens underside. Observer: Nettbryter

27、en er sekundert innkoplet. Den innebygde netdelen er derfor ikke frakoplet nettet s lenge apparatet er tilsluttet nettkontakten. For redusere faren for brann eller elektrisk stt, skal apparatet ikke utsettes for regn eller fuktighet. Italia DICHIARAZIONE DI CONFORMITA Si dichiara che lapparecchio FW

28、-C717 Philips risponde alle prescrizioni dellart. 2 comma 1 del D.M. 28 Agosto 1995 n. 548. Fatto a Eindhoven Philips Consumer Electronics Philips, Glaslaan 2 5616 JB Eindhoven, The Netherlands CAUTION Use of controls or adjustments or performance of procedures other than herein may result in hazard

29、ous radiation exposure or other unsafe operation. Maintenance Cleaning the Cabinet Use a soft cloth slightly moistened with a mild detergent solution. Do not use a solution containing alcohol, spirits, ammonia or abrasives. Cleaning Discs When a disc becomes dirty, clean it with a cleaning cloth. Wi

30、pe the disc from the centre out. Do not wipe in a circular motion. Do not use solvents such as benzene, thinner, commercially available cleaners, or antistatic spray intended for analogue records. Cleaning the disc lens After prolonged use, dirt or dust may accumulate at the disc lens. To ensure goo

31、d playback quality, clean the disc lens with Philips CD Lens Cleaner or any commercially available cleaner. Follow the instructions supplied with the cleaner. Cleaning the Heads and the Tape Paths To ensure good recording and playback quality, clean the heads A, the capstan(s) B, and pressure roller

32、(s) C after every 50 hours of tape operation. Use a cotton swab slightly moistened with cleaning fluid or alcohol. You also can clean the heads by playing a cleaning tape once. CCBBA Demagnetising the heads Use a demagnetising tape available at your dealer. Troubleshooting WARNING Under no circumsta

33、nces should you try to repair the system yourself, as this will invalidate the warranty. Do not open the system as there is a risk of electric shock. If a fault occurs, first check the points listed below before taking the system for repair. If you are unable to remedy a problem by following these h

34、ints, consult your dealer or service centre. ProblemSolution CD OPERATION “NO DISC” is displayed.Insert a disc. Check if the disc is inserted upside down. Wait until the moisture condensation at the lens has cleared. Replace or clean the disc, see “Maintenance”. “DISC NOT FINALIZED” is displayed.Use

35、 a finalised CD-R(W) or CD-R. Troubleshooting RADIO RECEPTION Radio reception is poor .If the signal is too weak, adjust the antenna or connect an external antenna for better reception. Increase the distance between the Mini HiFi System and your TV or VCR. TAPE OPERATION/RECORDING Recording or playb

36、ack cannot be made.Clean deck parts, see “Maintenance”. Use only NORMAL (IEC I) tape. Apply a piece of adhesive tape over the missing tab space. The ta pe deck door cannot open.Remo ve and reconnect the AC power plug and switch on the system again. GENERAL The system does not react when buttonsRemov

37、e and reconnect the AC power plug and are pressed.switch on the system again. Sound cannot be heard or is of poorAdjust the volume . quality.Disconnect the headphones. Check that the speakers are connected correctly. Check if the stripped speaker wire is clamped. The left and right sound outputs are

38、Check the speaker connections and location. reversed. The remote control does not functionSelect the source (CD or TUNER, for example) properly.before pressing the function button (,). Reduce the distance between the remote control and the system. Insert the batter ies with their polarities (+/ sign

39、s) aligned as indicated. Replace the batteries. Point the remote control in the direction of the systems IR sensor. The timer is not working.Set the clock correctly. Press TIMER ON/OFF to switch on the timer. If recording is in progress, stop recording. Not all lighted buttons are showing light.Pres

40、s DISPLAY to select NORMAL or MODE 1 display mode . The Clock/Timer setting is erased.Power has been interrupted or the power cord has been disconnected. Reset the clock/timer. The system displays featuresPress and hold DEMO STOP on the system automatically and buttons start flashing.to switch off t

41、he demonstration. MAINTENANCE AND TROUBLESHOOTING 2-4 3-1 3-1 DISMANTLING INSTRUCTIONS Dismantling of the Lens Cassette 1) Uncatch 4 catches along the edge of the Cassette door (pos 5) as shown in figure 1 and 2 to remove the Lens cassette (pos 2). Figure 2: Left Cassette door Figure 1 1) Loosen the

42、 4 screws, slide Cover top (pos 30) towards the rear and remove it upwards. 2) Loosen 3 screws slide the Panel right (pos 26) towards the rear and remove it outwards. Do likewise for the Panel left (pos 27). 3) Push the gear slowly towards the front as shown in figure Dismantling the 3CDC Module 3 u

43、ntil the CDC tray starts to move out of the Front Cabinet (pos 8). The CDC tray is now disengage and can be pulled out completely. 4) Remove the Cover Tray (pos 29) as shown in figure 4. 5) Loosen 4 screws A to remove the CDC Module (pos 28) as shown in figure 3. A A A Turn the Gear towards the Fron

44、t till the CDC Tray starts to open Figure 3 Figure 4 C1 Press Inwards Pull Rear Panel out 1 2 Figure 5 Dismantling of the Panel Rear 1) Loosen 6 screws C on the Panel rear (pos 24). 2) Press the 2 catches C1 inwards and dismantle the Panel rear by pulling it towards the rear. 3-2 3-2 Service pos A S

45、ervice pos B Note: After re-assembly, it is very important to ensure the wires from the Tape mechanism are routed properly to ensure that they do not touch/obstruct all moving parts. Dismantling of the Front Panel and Bottom Panel assembly Figure 6 Figure 7 Figure 8 1) Remove 8 screws D mounting the

46、 Front board. 2) Remove 1 screw E supporting the bracket, Combi board (pos 33) to the Panel front (pos 8). 3) Remove 1 screw F (see figure 5) mounting the Mains transformer body to the Panel Bottom (pos 25). Note: Care must be taken not to damage the board because of the heavy Mains transformer. 4)

47、The Front and Combi boards together with the Mains transformer can now be remove. 5) Loosen 6 screws G and eject both cassette doors to remove the Tape mechanism (pos 12). Note: During re-assembly of the Tape mechanism and Front board care must be taken to ensure the wires are properly dressed and n

48、ot touch- ing any moving parts on the Tape mechanism. 3-3 3-3 Various other Tests Activated withACTIONTEST QEEPROM FORMATLoad default data. Display shows NEW for 1 second. Caution! All presets from the customer will be lost! Disconnect mains cord LEAVE SERVICE TESTPROGRAM R 9 to Exit EEPROM TESTA test pattern will be sent to the EEPROM. PASS is displayed if the uProcessor read back the test pattern correctly, otherwise FAIL will be disp