Philips-FWC-355-Service-Manual电路原理图.pdf

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1、CLASS 1LASER PRODUCTCOMPACTDIGITAL AUDIOService ManualServiceServiceServiceFW-C355/21/22/34TABLE OF CONTENTSPageLocation of pc boards fr Reparaturen sind Original-Ersatzteile zu verwenden.ILe norme di sicurezza esigono che lapparecchio venga rimessonelle condizioni originali e che siano utilizzati i

2、 pezzi di ricambioidentici a quelli specificati.“After servicing and before returning set to customer perform aleakage current measurement test from all exposed metal parts toearth ground to assure no shock hazard exist. The leakage currentmust not exceed 0.5mA.“CLASS 1LASER PRODUCT3122 110 03420GB

3、Warning !Invisible laser radiation when open.Avoid direct exposure to beam.S Varning !Osynlig laserstrlning nr apparaten r ppnad och sprrenr urkopplad. Betrakta ej strlen.SF Varoitus !Avatussa laitteessa ja suojalukituksen ohitettaessa olet alttiinankymttmlle laseristeilylle. l katso steeseen!DK Adv

4、arse !Usynlig laserstrling ved bning nr sikkerhedsafbrydere erude af funktion. Undg udsaettelse for strling.2-1 2-1DISMANTLING INSTRUCTIONS1) Loosen the 4 screws, slide Cover top (pos 255) towardsthe rear and remove it upwards.2) Loosen 3 screws slide the Panel right (pos 254) towardsthe rear and re

5、move it outwards. Do likewise for the Panelleft (pos 253).3) Push the gear slowly towards the front as shown in figure2 until the CDC tray starts to move out of the Front Cabinet(pos 101). The CDC tray is now disengage and can bepulled out completely.Dismantling the 3CDC Module4) Remove the Cover Tr

6、ay (pos 106) as shown in figure 1.5) Loosen 4 screws A to remove the CDC Module (pos 1104)as shown in figure 2.AAATurn the Gear towards the Fronttill the CDC Tray starts to openFigure 2Figure 1Dismantling of the Volume & Jog Rotary knobs1) Cut a piece of packaging tape approximately 5cm width by12cm

7、 length and tape its narrow side on to the top andbottom side of the Volume knob (pos 139) as shown infigure 3.Dismantling of the Front Panel assembly1) Loosen 2 screws below the Front Panel (pos 101) mountingit to the Bottom plate (pos 265).2) Release the 2 catches on the sides of the Front Panel t

8、oseparate it from the Bottom plate.3) Remove the Volume and Jog Rotary knob if the Frontboard needs to be dismantled. For Karaoke versions, theKaraoke knob (pos 133) also need to be removed.4) Loosen 8 screws B to remove the Front board as shown inFigure 5.5) Loosen 6 screws C and eject both cassett

9、e doors toremove the Tape mechanism (pos 1103) as shown in figure6.Note: The Cassette door can be removed only afterthe removal of the Tape mechanism and buttons.2) Place a small screw driver in between the tape & knob (seefigure 3) to give more leverage in pulling out the knob asshown in figure 4.3

10、) Do likewise for the Jog Rotary knob (pos 138). You mayhave to rotate the knob to provide the most exposed areaduring application of the packaging tape.Figure 4Figure 3Figure 5Figure 62-2 2-2Service pos AService pos BNote: After re-assembly, it is very important to ensure allwires are routed proper

11、ly to ensure that they do nottouch/obstruct all moving parts.The 3CDC Module can be complete detached whilerepairing the other portion of the set.Figure 8Figure 7Dismantling of the Bottom & Rear Panel assembly1) Loosen 5 screws D mounting the Combi board to the RearPanel (pos 256) as shown in figure

12、 7.2) Loosen 3 screws E and release the 2 catches on the sidesof the Rear Panel to separate it from the Bottom plate (pos265).3) Loosen 4 screws G to remove the Mains Transformer asshown in figure 8.4) Loosen 2 screws F to remove the Combi Board.Service pos C3-1 3-1Variousother TestsActivated with A

13、CTIONTESTQEEPROM FORMAT Load default data. Display shows “NEW“ for 1 second.Caution!All presets from the customer will be lost!Disconnectmains cordLEAVE SERVICETESTPROGRAMR 9 to ExitEEPROM TEST A test pattern will be sent to the EEPROM.“PASS“ is displayed if the uProcessor readback the test pattern

14、correctly, otherwise“FAIL“ will be displayed.Volume KnoborJog Shuttle knobROTARYENCODER TESTDisplay shows value for 2 seconds.Values increases or decreases in steps of 1until 0 (Min.) or 40 (Max.) is reached.DBBDEMO DEMO will toggle on or off.The message: “DEMO ON“ or “DEMO OFF“will scroll across th

15、e display to show thenew status of the set.STANDBY-ONButton pressed?YNSet is in Service PLAY Mode.The Service Play Mode is intended todetect and identify the failures in the CD Mode.In this mode the electronics will still functioneven when an error is detected so thatrepair activities can be carried

16、 out.SERVICEPLAY MODEIn case of failures, errorcodes according to table 2 will be displayed.OButton pressed?YYYNNNOButton pressed?9Button pressed?Display shows8MOutput at (Front Board) pin 80 of uP = 1,953.125HzDisplay shows32KOutput at (Front Board) pin 80 of uP = 2048HzQUARTZTESTNote: During the 3

17、CDC tray may “jerks“ open& close or the carousel may rotatesslightly. This is due to sharing of controllines during the Service test program.TUNERButton pressed?DisconnectMains cord ?YNNYService frequencies arecopied to the RAM (see Table1)Tuner works normallyexcept:PROGRAM buttonService Mode leftTU

18、NERTESTDisplay Tuner Version“ccc“TUNERButton pressed?NYPRESET1234567891011Europe“EUR“87.5MHz108MHz531kHz1602kHz558kHz1494kHz87.5MHz87.5MHz87.5MHz87.5MHz98MHzEast Eur.“EAS“87.5MHz108MHz531kHz1602kHz558kHz1494kHz87.5MHz87.5MHz87.5MHz87.5MHz98MHzUSA“USA“87.5MHz108MHz530kHz1700kHz560kHz1500kHz98MHz87.5M

19、Hz87.5MHz87.5MHz87.5MHzOversea“OSE“87.5MHz108MHz530/531kHz*1700/1602kHz*560/558kHz*1500/1494kHz*98/87.5MHz*87.5MHz87.5MHz87.5MHz87.5/98MHz*Table 1East Eur. Extended-band“EAS“65.81MHz108MHz74MHz87.5MHz531kHz1602kHz558kHz1494kHz98MHz70.01MHz65.81MHzNote: * Depending on the selected grid frequency (9 o

20、r 10kHz)By holding the TUNER and R buttons depressed while switching on the Mains supply, oneof the undermentioned features will be activated:- the tuning grid frequency is toggled between 9kHz and 10kHz for the Oversea (/21) version.- the extended FM1 (65.81MHz - 74MHz) is toggled on and off for Ea

21、st Eur. (/34) version.YNYNYNDIMButton pressed?DIMButton pressed?9Button pressed?DISPLAYTESTDisplay shows Fig. 2and selected LEDs on(see note 2)Display shows Fig. 1and selected LEDs on(see note 1)Figure 1Figure 2note 2 : OPTIMAL is on while JAZZ & TECHNO are off, other LEDs statusare not important (a

22、pplicable only for sets with LEDs)note 1 : JAZZ & TECHNO are on while OPTIMAL is off, other LEDs statusare not important (applicable only for sets with LEDs)Table 2Error codeE1000E1001E1002E1003E1005E1006E1007E1008E1020E1070E1071E1079Error DescriptionFocus ErrorTriggered when the focus could not be

23、found within a certain time when starting up the CDor when the focus is lost for a certain time during play.Radial ErrorTriggered when the radial servo is off-track for a certain time during play.Sledge In ErrorThe sledge did not reach its inner position (inner-switch is still close) before approxim

24、ately6 Sec. have passed by. Inner-switch or sledge motor problem.Sledge Out ErrorThe sledge did not come out of its inner position (inner-switch is still open) before approximately250 mSec. have passed by. Inner-switch or sledge motor problem.Jump-offtrack errorTriggered in normal play when the jump

25、 destination could not be found within a certain time.When this error occurred, software will try to recover by initiating the jump command again.If it is recoverable, the disc will continue to play.Subcode ErrorTriggered when a new subcode was missing for a certain time during play.PLL ErrorThe Pha

26、se Lock Loop could not lock within a certain time.Turntable Motor ErrorGenerated when the CD could not reached 75% of speed during startup within a certain time.Discmotor problem.Focus Search ErrorThe focus point has not been found within a certain time.This happens when the carousel switch is defec

27、tive and closed all the time, or when thecarousel is blocked when it is located exactly at a disc position.This happens when the carousel switch is defective and does not closed electrically, or whenthe carousel is blocked in between two disc positions. The time-out is approximately 5 Sec.The drawer

28、 could not open or enter the inside position and is opening again. This happen whenthe drawer is blocked and cannot go fully inside or when the drawer switch is defective and doesnot close.To start service test programhold P & TAPEdepressed whileplugging in the mains cordDisplay shows theROM version

29、 *“S-Vyy“(Main menu)S refers to Service Mode.V refers to Version.yy refers to Software version number of Processor.(Counting up from 01 to 99)SERVICE TEST PROGRAMMini 2002 FW-C1xx, C2xx, C3xx Dated: wk1414-1 4-1SET BLOCK DIAGRAMFW-C355 Block Diagram . 34330 dd wk 145+LPSLED+ZTAPE3CDC-L2CCDCCONTROL+C

30、D250mV-6dB Track+12V_MDMCD_ONAMP_ONASA BUFFERA+12M+12A3.5mVXX mVYY dBAZZ dB2 X 6 OHMS500mVNJM4556AM-+JOG33RAMP_ONAN17380APOWERFOR MATRIXSA INSELECTOR+CSTBY TRANSFORMERMATRIX2 X 37W 85dBA3dBHEADPHONEFOR -/21 ONLYDAMHEADPHONECHOKE+ZNCDCCONTROLTUNER28mVMUTEAATTN.I2C DATACONTROL47R100mV76dBA16dB-8.5dB12

31、5mV(NOT USED IN -/21 & -/37)+CREGF2x1KHP_OUTFRONTPWDN#SOURCE SELECTORATTN.+9V-33VIR EYE+5V6-33VAUX / CDR+12V_ATRAFOSMPS+5V6_ECOSWITCHECO POWERF2RDS-26 dB-ATTEN.AM (80% MOD)HP MUTE1.90V67dBA1K500mVHP_OUTF1xTREBLEHP DETCONTROLINTERFACE+12V_MuPD4 X DSC LEDS+5V6SIMPLE KARAOKE+5V6NTC+FFM (67.5 kHz)INCRED

32、IBLEEEPROMF1xDPWDNSIMPLE500mVPOWER-33VSOFTWARE CONTROLA0.9W/6 ohms+FVOLUMECONTROLECO6AMPLIFIER2.50V+9.1VCDCCONTROL+CD+LPSLCONTROLLEFT/RIGHTLEFT/RIGHT-CMOSPOWER+CSWITCHMIC DETIS FILTER+LPS125mVI2C CLK+12V_ATDA7468MUTE-CMOS (-9V)MIC DET-CMOSD+9.1VREGULATOR7812I2C250nWb/m+5V6_ECOMAIN SIGNAL PATHMEASURE

33、MENTS ARE IN AUX MODE :LEVELS AT MAX VOLS/N AT 500mWHEADROOM (1% THD) WRT TO LEVEL AT MAX VOLNOTE :FOR CLASS G SWITCHAMPLIFIER+ZREGBASS10MVOL. 2I2C DATAFTDSURROUND VOL. 1AM# FOR VCD/MP3 VERSIONL/R SPEAKERTUNERSURROUNDMAINS76dBAKEY SCAN+5V6F2x(NOT USED FOR -/37)I2C CLK+C3.0dB14 dB+12V_MDCD_ON500mV /

34、1000mV+5V6VOLTAGELPSNTCF1F2LPC+F500mV&HP DET+5V678dBA3.2dB-33VCONTROL650mVCD SUPPLYCONTROLCOMBIETF7DECODERTMP87CS71FDF1LPC+CDCONTROLA (+5V)MUTEPOWER SUPPLYRin = 3k+F250mVECO/SLEEPA# FEATURE PROVISIONFUSEREGULATORL7805+CDCD_ON16dB+12V_A+12V_A+12V_A+12V_A+12V_A# FOR VCD/MP3 VERSION(+5V)(FOR CDC-L2C ONLY)+50VVCD-3CTAPECONTROLFUSEFUSEFUSEFUSEMPEG3D-6dB Track(ONLY FOR -/37)VIDEO OUTA1.0 Vpp# VCD # VCD# VCD# VCD# PROVISION FOR VCD/MP3 VERSION