Philips-FWC-30-FWC-35-Service-Manual(1) 电路图 维修手册.pdf

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1、PCS 103 329 Service Service Service Service Service FW-C30/21/21M/30/37 TABLE OF CONTENTS Page Location of pc boards fr Reparaturen sind Original-Ersatzteile zu verwenden. I Le norme di sicurezza esigono che lapparecchio venga rimesso nelle condizioni originali e che siano utilizzati i pezzi di rica

2、mbio 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 LASER PRODUCT 3122 110 03420 GBWarning

3、! 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 laseristeilylle. l katso steeseen! DKAdvar

4、se ! Usynlig laserstrling ved bning nr sikkerhedsafbrydere er ude af funktion. Undg udsaettelse for strling. 1-6 PCS 90 115 2-1 PCS 103 332 7 General Information The typeplate (which contains the serial number) is located at the rear of the system. Recording is permissible if copyright or other righ

5、ts of third parties are not infringed. This device complies with the Federal Communications Commission (FCC) rules, part 15 and with 21 CFR 1040.10. Operation is subject to the following two conditions: This device may not cause harmful interference, and This device must accept any interference rece

6、ived, including interference that may cause undesired operation. Environmental Information All unnecessary packaging has been omitted. We have tried to make the packaging easy to separate into three materials: cardboard (box), polystyrene foam (buffer) and polyethylene (bags, protective foam sheet).

7、 Your system consists of materials which can be recycled and reused if disassembled by a specialized company. Please observe the local regulations regarding the disposal of packaging materials, exhausted batteries and old equipment. Accessories(Supplied) Remote control Batteries (two AA size) for re

8、mote control AM loop antenna FM wire antenna AC power cord SS39 Surround Speakers (for model FWC3 buttons flash continuously. Demonstration mode is switched on. Press and hold (on the system) for five seconds to switch off the demonstration. All lighted buttons are not lit. Display is switch on in D

9、IM 3 mode. Press DIM until DIM OFF display mode is shown. PCS 103 341 2-10 ADDITIONAL FEATURES FOR FW-C30/21/21M 1 English PREPARATION Rear Connections AM ANTENNA A B C D VOLTAGE SELECTOR 110V- 127V 220V- 240V AUX IN R + L + G AUDIO OUT LR SUBWOOFER OUT HIGH POWER SUBWOOFER S U B W O O F E R LE V E

10、L C O N T R O L STANDBY ON CUT OFF FREQUENCY 60Hz150Hz MINMAX E FM AERIAL 75 AC MAINS VOLTAGE SELECTOR 220V- 240V 110V- 127V F B FM Wire Antenna Connection Connect the supplied FM wire antenna to the FM AERIAL (FM ANTENNA) 75 terminal. Adjust the position of the FM antenna for the best reception. Ou

11、tdoor Antenna For better FM stereo reception, connect an outdoor FM antenna to the FM AERIAL (FM ANTENNA) 75 terminal using a 75 dipole wire. FM ANTENNA 75FM AERIAL 75 OR F Adjusting the Operating Voltage (not available for version /30) Before connecting the AC power cord to the wall outlet, make su

12、re that the voltage selector at the rear of the system is set to the local power line voltage. If not, reset the selector before connecting to the wall outlet. STANDBY-ON PROGRAM CLOCKTIMER DIM FULL AUTO STOP TAPE 2 PLAYBACKPLAY/REC TAPE 1 PLAYSTOP.OPENPAUSE RECORDPLAYSTOP.OPENPAUSE FW-C10FW-C10MINI

13、 HIFI SYSTEM CD1 2 3BANDTAPE 1 2 TAPECDTUNERAUX PRESET TUNING STOPCLEARSEARCHPLAY PAUSEPREVNEXT DISC CHANGE DISC 3 OPENCLOSE DC 3CHANGER 3 CD ROTARY CHANGER SYSTEM CD REWRITABLE COMPATIBLE CD SYNCHRO RECORDING 3 CD ROTARY CHANGER SYSTEM CD REWRITABLE COMPATIBLE CD SYNCHRO RECORDING D B B VIDEO DISC

14、2DISC 1 OPTIMAL JAZZ ROCK TECHNO JOG CONTROL SOUND NAVIGATION - JOG VOLUME MICROPHONE - LEVEL 5 1 7 8 3 2 9 0 # $ & *( ) ! % 5 4 # # 0 2 213 TUNERTAPE 1/2CD SLEEPAUXDIM DSCDBB MUTE REPEATPAUSESHUFFLE CD DIRECT VOLUME ! % 4 6 MIC LEVEL(not available for version /30) to adjust the mixing level for kar

15、aoke or microphone recording. MIC (not available for version /30) to connect microphones jack. CONTROLS 2 English MW TUNING GRID Changing the MW tuning grid (not available for version /30) The frequency step can be changed if necessary. In North and South America, the frequency step between adjacent

16、 channels in the MW band is 10 kHz. In other parts of the world, it is 9 kHz. The frequency step preset in the factory is 9 KHz. For MW Band To change from 9 kHz to 10 kHz or vice versa Changing of tuning grid will erase all previously stored preset stations. 1 Disconnect the system from the AC powe

17、r supply (pull out the AC power cord). 2 Press and hold TUNER and TUNING while reconnecting the system to the AC power supply. Display will show “GRID 10” or “GRID 9”. Notes: GRID 9 indicates that the tuning grid is in step of 9 kHz in MW band. GRID 10 indicates that the tuning grid is in step of 10

18、 kHz in MW band. FM tuning grid will also be changed from 50 kHz to 100 kHz or vice versa. All preset stations will also be erased. KARAOKE Microphone Mixing (not available for version /30) 1 Set the MIC LEVEL control to the minimum level to prevent acoustic feedback (e.g. a loud howling sound) befo

19、re you connect the microphone. 2 Connect a microphone to the MIC socket. 3 Press CD, TUNER, TAPE or AUX. 4 Play the selected source. 5 Adjust the volume level with VOLUME control. 6 Adjust the MIC LEVEL control to the mixing level that you want. 7 Start singing or talking through the microphone. MIC

20、ROPHONE - LEVEL 3-13-1 PCS 103 342 DISMANTLING INSTRUCTIONS Dismantling of the Cover Control on the Front (see Notes) 1) Insert a strong string into the slot between the Volume knob (pos 146) and Cover Ring Volume (pos 1440, looped it 1,5 turns securely around the Volume knob and pulled it out as sh

21、own. 2) Do likewise for the Jog Rotary knob (pos 145). 3) Remove the 2 hidden screws A to take out the Cover Control Assembly (pos 153 + 143 + 144). Note: Only the Lightguide DSC (pos 127) is sandwiched between the Front Cabinet (pos 101) & Cover Control (pos 153). Dismantling of Assemblies on the F

22、ront Panel 1) Remove the Volume and Jog Rotary knobs (pos 145 & 146) as per step 1 and 2 of Dismantling the Cover Control on the Front. 2) Remove 3 screws C to loosen the Headphone board (1x) and the Karaoke board (2x). Note: Karaoke board is for some versions only. 3) Remove 12 screws D as indicate

23、d to loosen the Front board. 4) Remove 6 screws E to loosen the ECO-MTF Module Dismantling of the Front Panel 1) Slide out the tray an remove the Cover Tray CDC (pos 107) as indicated. 2) Loosen the 8 screws to separate the Front Panel from the rear portion. - 2 screws B on the front - 2 screws each

24、 on the left & right side - 2 screws at the bottom Dismantling of the Cassette Cover 3. Lift up and out 1. Place screw driver (flat side) between the cover & cassette door 2. Twist screw driver Cassette 3-23-2 PCS 103 343 Dismantling of Rear Portion 1) Remove 1 screw H & uncatch C1 to loosen the Mai

25、ns socket board. 2) Remove 2 screws F, 2 screws G and uncatch C2 to loosen the Tuner board assembly. 3) Remove 6 screws J (4x on the rear and 2x on the heatsink) and uncatch C3 to loosen the Combi board (Main part). 4) Remove 2 screws K to loosen the Mains Transformer. W H 2cm 2cm Chip Board size: H

26、 x W Thickness: 5 - 8mm Rear View of Loudspeaker Box Speaker wire Dismantling of Left/Right Loudspeaker Box (not recommended because of high risk of damage) This Loudspeaker Box is not designed to be repaired! The steps below makes it possible to replace defective parts but the service repairman mus

27、t exercise extreme care not to damage the Louspeaker box. 1) Marked out a rectangular area on the Rear of the Loudspeaker box giving it a 2cm skirting all round (see picture). 2) Use a zigsaw (or open-end hand-held saw) cut along the earlier marked out line. Caution: Be extra careful not to cut the

28、Loudspeaker Wires near the bottom of the LS box. 3) Prepare a Chipboard (thickness 5 - 8 mm) of size L x W to cover back the cut-out after replacement of defective parts. 4) Use any self-tapping wood screw to tighten the new Chipboard onto the 2cm width skirting. Service pos A Service pos B Service

29、pos C 3-3 PCS 103 344 3-3 Notes: 1. During repair it is possible to disconnect the following assemblies or modules while repairing other areas: - Tuner Board - CDC Module 2. The flex cables are very fragile, care should be taken not to damage them during repair. After repair, be very sure that the f

30、lex cables are inserted properly into the flex sockets before encasing, otherwise faults may occurs. 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

31、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 ERROR will be displayed. Volume Knob or Jog Shuttle knob ENCODER TESTDisplay shows value for 2 seconds. Values increases or decreases in s

32、teps of 1 until 0 (Min.) or 40 (Max.) is reached. POWER Button pressed? Y N Set is in Service PLAY Mode. The Service Play Mode is intended to detect and identify the failures in the CD Mode. In this mode the electronics will still function even when an error is detected so that repair activities can

33、 be carried out. SERVICE PLAY MODE In case of failures, error codes according to table 2 will be displayed. O Button pressed? Y Y Y N N N O Button pressed? 9 Button pressed? Display shows 8M Output at (Front Board) pin 80 of uP = 1,953.125Hz Display shows 32K Output at (Front Board) pin 80 of uP = 2

34、048Hz QUARTZ TEST TUNER Button pressed? Disconnect Mains cord ? Y N N Y Service frequencies are copied to the RAM (see Table1) Tuner works normally except: PROGRAM button Service Mode left TUNER TEST Display Tuner Version ccc TUNER Button pressed? N Y PRESET 1 2 3 4 5 6 7 8 9 10 11 Europe EUR 87.5MH

35、z 108MHz 531kHz 1602kHz 558kHz 1494kHz 153kHz 279kHz 198kHz 98MHz 87.5MHz East Eur. EAS 87.5MHz 108MHz 531kHz 1602kHz 558kHz 1494kHz 87.5MHz 87.5MHz 87.5MHz 87.5MHz 98MHz USA USA 87.5MHz 108MHz 530kHz 1700kHz 560kHz 1500kHz 98MHz 87.5MHz 87.5MHz 87.5MHz 87.5MHz Oversea OSE 87.5MHz 108MHz 531/530kHz*

36、 1602/1700kHz* 558/560kHz* 1494/1500kHz* 87.5/98MHz* 87.5MHz 87.5MHz 87.5MHz 98/87.5MHz* Table 1 East Eur. Extended-band EAS 65.81MHz 108MHz 74MHz 87.5MHz 531kHz 1602kHz 558kHz 1494kHz 98MHz 70.01MHz 65.81MHz Note: * Depending on the selected grid frequency (9 or 10kHz) By holding the TUNER and R bu

37、ttons depressed while switching on the Mains supply, one of 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 East Eur. (/34) version. Y N Y N Y N

38、 2 Button pressed? 2 Button pressed? 9 Button pressed? DISPLAY TEST Display shows Fig. 1 and switch all LEDs on Display shows Fig. 2 and selected LEDs on (see note 1) Figure 1 Figure 2 note 1: DISC1, DISC3, TUNER, JAZZ and TECHNO Table 2 Error code E1000 E1001 E1002 E1003 E1005 E1006 E1007 E1008 E10

39、20 E1070 E1071 E1079 Error Description Focus Error Triggered when the focus could not be found within a certain time when starting up the CD or when the focus is lost for a certain time during play. Radial Error Triggered when the radial servo is off-track for a certain time during play. Sledge In E

40、rror The sledge did not reach its inner position (inner-switch is still close) before approximately 6 Sec. have passed by. Inner-switch or sledge motor problem. Sledge Out Error The sledge did not come out of its inner position (inner-switch is still open) before approximately 250 mSec. have passed

41、by. Inner-switch or sledge motor problem. Jump-offtrack error Triggered in normal play when the jump 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

42、. Subcode Error Triggered when a new subcode was missing for a certain time during play. PLL Error The Phase Lock Loop could not lock within a certain time. Turntable Motor Error Generated when the CD could not reached 75% of speed during startup within a certain time. Discmotor problem. Focus Searc

43、h Error The focus point has not been found within a certain time. The carousel switch is not open within certain time. This can happen when either the switch is defective and closed all the time, or when the carousel is blocked when located exactly at a disc position. The carousel position switch di

44、d not close within a certain time. This can happen when the switch is defective and never closes electrically, or when the carousel is blocked in between two disc positions. The time-out is approximately 5 Sec. The drawer could not enter the inside position is opening again. This can be caused becau

45、se the drawer is blocked by something and cannot go fully inside, or the drawer switch is defective and does not close. To start service test program hold P & AUX depressed while plugging in the mains cord Display shows the ROM version * S-Vyy (Main menu) S refers to Service Mode. V refers to Versio

46、n. yy refers to Software version number of Processor. (Counting up from 01 to 99) SERVICE TEST PROGRAM 3-43-4 PCS 103 242 4-1 PCS 103 345 4-1 SET BLOCK DIAGRAM HEADPH0NE # # # # # BASS ALC VCD VCD VCDVCD For 12W set Only SA BUFFER AMPLIFIER FRONT * * For 25W set Only SUBWOOFER OUT TRAFO AMPLIFIER CO

47、MBI HEADPHONE VCD MODULE SOUND PROCESSING POWER SUPPLY SIMPLE KARAOKE FRONT POWER Updated on10-06-99 5-1 PCS 103 244 5-1 SET WIRING DIAGRAM 3CDC-99 HEADPHONE * MIC M/TOP B3P-VH KARA 3CDC 99 ETF7 ECO5 CDC KEY ECO-MTF # CVBS OUT VCD TU95 ECO-MTF/ FRONT # 3CDC SERVO FOR VCD COMBI / HEADPHONE ECO5 / TUN

48、ER95 TRAFO MAINS ETF7 TRAFO 4W # MPEG-ESS FW-C10/37 3139 119 32240 dd wk939 FRONT BOARD 6-1 PCS 103 245 TABLE OF CONTENTS FTD Display pin connection .6-2 Variation table .6-3 Circuit diagram.6-4 Component & Chip layout .6-5 Electrical parts list.6-6 6-2 a b c d e f h jk g m j F8 F9 F7 F8 nr F8 F6 F7 F3F1 F4F5 F2 F7 F3 F4F5 F1F2 12G 11G 1G2G3G4G5G6G7G8G9G 10G Col Dp P1 P2 P3 P4 P5 P6 P7 P8 P9 P10 P11 P12 P13 P14 P15 P16 1G - 5G a h j k b f m g c e r n d - - - 6G a h j k b f m g c e r n d Col Dp - 7G - 8G a h j k b f