Philips-MC-500-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 MC-500/22/25/30/37 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 o

2、riginali 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.

3、CLASS 1 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 nkymt

4、tmlle laseristeilylle. l katso steeseen! DK Advarse ! Usynlig laserstrling ved bning nr sikkerhedsafbrydere er ude af funktion. Undg udsaettelse for strling. 1-6 Figure 1 DISMANTLING INSTRUCTIONS 2-12-1 Dismantling of the 5DTC Module 1) Loosen 4 screws and remove the Cover Top (pos 255) by sliding i

5、t out towards the rear before lifting up. -2 screws on the rear -1 screw each on the left & right side 2) Loosen 3 screws each to remove the Panel Left (pos 253) and Panel Right (pos 254). The Panels are remove by sliding it towards the rear and outwards. -1 screw on the side -2 screws on the rear 3

6、) Take a paper clip or any stiff wire diameter of 1mm-1.5mm. Place the set in position and insert the paper clip or stiff wire as shown in Figure 1. 1) Remove 2 screws B (pos 282) as shown in Figure 4 from the bottom of the Cabinet Front (pos 101). 2) Release the fixation of the Combi Board (pos 110

7、2-1003) to Bracket Combi (pos 252) by releasing the 2 catches C1 (see Figure 5) and pulling the Combi Board outwards as shown in Figure 6. 3) Uncatch 2 catches C2 (see Figure 5) on the left & right sides of the Cabinet Front (pos 101) and slides the Front Panel assembly out towards the front. Detach

8、ing the Front Panel assembly from the Bottom/Rear assembly 4) To remove the Cover CD Orn (pos 111), you have to feel and give a push in the correct direction (see Figure 1) and correct position (see Figure 2) to release the catch of the Cover CD Orn before removing it out. 5) Loosen 4 screws A (see

9、Figure 3 and Figure 9) to remove the 5DTC Module (pos 1103). -2 screws on the front -2 screws on the rear Note : For information on the Emergency opening of the trays of the 5DTC Module, refer to Chapter 10 (Page 10-7). Figure 2 Figure 5 Figure 4 Figure 3 Figure 6 2-22-2 Dismantling of the Front Pan

10、el assembly 1) The Knob Volume (pos 136) can be remove by pulling it out in the direction as shown in Figure 7. 2) Loosen 4 screws D (see Figure 8) to remove the Bracket Top (pos 251) and CDC Key Board (pos 1105B). 3) Loosen 2 screws E (see Figure 8) to remove the Bracket Combi (pos 252). 4) Loosen

11、9 screws F (see Figure 8) to remove the Front Board (pos 1105A). 5) Loosen 3 screws G (see Figure 8) to remove the USB PC LINK Board (pos 1106). Dismantling of the Rear Panel assembly 1) Loosen 3 screws H and 2 catches C3 (see Figure 9) to remove the Tuner Board assembly. 2) Loosen 1 screw K (see Fi

12、gure 9) to free the Mains Socket Board (pos 1102-1001B). 3) Loosen 4 screws J and 2 catches C4 (see Figure 9) to remove the Cabinet Rear (pos 256) by sliding it out towards the rear (see Figuer 10). Note : Tuner Board assembly and Mains Socket Board can also be remove together with the Cabinet Rear.

13、 4) Loosen 4 screws L (see Figure 9) to remove the Fan (pos 1104) from the Cabinet Rear. Figure 7 Figure 8 DISMANTLING INSTRUCTIONS Figure 9 Figure 10 2-32-3 Repair Hints & Service Positions 1) During repair it is possible to disconnect the ECO6 Tuner board and/or 5DTC Module completely unless the f

14、ault is suspected to be in that area. This will not affect the performance of the rest of the set. Note: The flex cables are very fragile, care should be taken not to damage them during repair. After repair, be very sure that the flex cables are inserted properly into the flex sockets before encasin

15、g, otherwise faults may occurs. Service position B Service position C Service position A DISMANTLING INSTRUCTIONS Y N Y N N PLAY Button pressed? PLAY Button pressed? PLAY Button pressed? ADC TEST Display shows ADC1 Value for ADC 1 (Input Line - SA) Display shows ADC2 Value for ADC 2 (Input Line - Op

16、tion) Y Y N 9 Button pressed? ADC Test is used for checking the ADC inputs to the microprocessor. The display shows an ADC value between 0 and 255 for an input signal between 0 and 5V. Display shows ADC3 Value for ADC 3 (Input Line - AmNtc) CD Button pressed? Y N 5DTC CONTROL & MP3 CD MODULE TEST (F

17、or MC-M570 only) STEP 1 2 *3 *4 *5 *6 *7 DISPLAY MESSAGE - - - BUS OK - - FOC OK 5DTC-ER - - BUS ER - - FOC ER ACTION Version of the 5DTC control software (nn = Version Number). Indicates the module used. Version of the MPEG software (nn = Version Number). Communication test between the Main uP and

18、CD Module CD SLEDGE MOTOR is moved in. CD SLEDGE MOTOR is moved out. FOCUS SERVO Test. Press 9 to exit OKAYERROR 5DTC-Vnn MP3CD02 TI-Vnn TI BUS TI SLD I TI SLD O TI FOC * Choose level by pressing R R Note : Disc should be available on the tray before entering the Service Test Mode. Table 2 Error cod

19、e E1000 E1001 E1002 E1003 E1005 E1006 E1007 E1008 E1020 E1061 E1079 Error Description Focus Error Triggered when the focus cannot be found within a certain time when starting up the CD, or if the focus is lost for more than a certain time during playing of CD. Radial Error Triggered when the radial

20、servo is off-track for a certain time during playing of CD. Sledge In Error The sledge did not reach its inner position (inner-switch is still close) before approximately 6 seconds have passed by. Inner-switch or sledge motor problem. Sledge Out Error The sledge did not come out of its inner positio

21、n (inner-switch is still open) before approximately 250ms have passed by. Inner-switch or sledge motor problem. Jump Error Triggered in normal play when the jump destination could not be found within a certain time. Subcode Error Triggered when a new subcode was missing for a certain time during pla

22、ying of CD. 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 start-up within a certain time. Disc motor problem. Focus Search Error The focus point has not been found within a certain time. The tray

23、could not enter the inside position and is opening again. This can happen if the tray is blocked such that it cannot go fully inside, or if the 5DTC control module is defective and never closes. The tray could not reach the outside position and is stopped at its blocked position. This can happen if

24、the tray is blocked such that it cannot go fully outside, or if the 5DTC control module is defective and never opens. ECO Button pressed? Y N Set is in Service PLAY Mode CD Button pressed? Y N The Service Play Mode is intended to detect and identify the failures in the CD Mode. In this mode the DTC

25、works as in normal operation. The electronics will still function even when an error is detected so that repair activities can be carried out. SERVICE PLAY MODE (For MC-500 only) DTC works as in normal operation. In case of failures, error codes according to Table 2 will be displayed. Display shows

26、5DTC-Vnn - Version of 5DTC control software (nn = Version Number). Various other Tests Activated withACTIONTEST QEEPROM FORMAT TEST Load default data. Display shows NEW for 1 second. Caution! All presets from the customer will be lost! Disconnect mains cord LEAVE SERVICE TEST PROGRAM R 9 to Exit EEP

27、ROM 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 displayed. Rotary Volume Knob ROTARY ENCODER TEST Display shows value for 2 seconds. Values increases or decreases until Volume Maximum (0dB) or Volume

28、Minimum (VOL MUTE) is reached. USB PC LINK 9 to Exit MICRONAS FIRMWARE VERSION To read out the Firmware Version of IC UAC3553 on the USB PC LINK Board. Display shows Vxxxx (xxxx = Firmware Version number). MAX SOUNDDEMO TOGGLE Pressing this button will toggle between DEMO ON and DEMO OFF. The DEMO s

29、tatus will scroll once across the Display. O Button pressed? Y Y Y N N N O Button pressed? 9 Button pressed? Display shows 12M Output at (Front Board) pin 19 of uP = 2,929.6875Hz Display shows 32K Output at (Front Board) pin 19 of uP = 2048Hz QUARTZ TEST TUNER Button pressed? Disconnect Mains cord ?

30、 Y N N Y Display Tuner Version ccc Service frequencies are copied to the RAM (see Table 1) Tuner works normally except: PROGRAM button Service Mode left TUNER TEST TUNER Button pressed? N PRESET 1 2 3 4 5 6 7 8 9 10 11 Europe EUR 87.5MHz 108MHz 531kHz 1602kHz 558kHz 1494kHz 87.5MHz 87.5MHz 87.5MHz 8

31、7.5MHz 98MHz East Europe 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* 1602/1700kHz* 558/560kHz* 1494/1500kHz* 87.5/98MHz* 87.5MH

32、z 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 PROG and R buttons depressed while switching on the Mains supply, one of

33、 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 VEC Button pressed? VEC Button pressed? 9 Button pressed?

34、DISPLAY TEST Display shows Figure 1 and switch all LEDs on (except ECO POWER LED) Display shows Figure 2 and switch alternate LEDs on (see Table 3) LEDs CD TUNER AUX USB PC LINK MAX SOUND USB Indicator MC-M570 OFF ON OFF ON OFF ON MC-500 - - - - OFF ON Table 3 Figure 1Figure 2 To start service test

35、program hold & PROG depressed while plugging in the mains cord Display shows the ROM version S-Vyy (Main menu) S refers to Service Mode V refers to Version yy refers to Software version number of the uProcessor (counting up from 01 to 99) SERVICE TEST PROGRAM Micro 2003_MC-500 & MC-M570_Service Test

36、 Program (dd wk0242) 3-13-1 AMP_ON HP_DET A AMP_ON AMP_MUTE D USB FUSE FUSE +12V_D REGULATOR / STABILISER B1 +50V A1 A YY dBA +C CONTROL +CD 250mV -6dB Track +12V_M DM A +C MEASUREMENTS ARE IN AUX MODE : LEVELS AT MAX VOL S/N AT 500mW HEADROOM (1% THD) WRT TO LEVEL AT MAX VOL NOTE : REG AMPLIFIER -3

37、3V CONTROL FOR CLASS G SWITCH B B 500mV SA BUFFER LED NJM4556AM A1 USB 5DTC CDC POWER SMPS PWDN SIMPLE 500mV POWER -33V SOFTWARE CONTROL BASS 10M SA IN 39R39R A AMP_MUTE COMBI CONTROL MUTE_HP VOL. 2 +9.1V REGULATOR 7805 I2C SURROUND +5V6_ECO MAIN SIGNAL PATH 2 X 40W 85dBA 3dB HEADPHONE FOR -/21 ONLY

38、 D MUTE 830mV (NOT USED IN -/21 & -/37) A2 B1 (ONLY FOR -/37) MP3 D I2C CLK + +12V_A TDA7468 HP_MUTE FTD I2C DATA VOL. 1 STBY TRANSFORMER - + TUNER A2 KEY SCAN AN7591 A IS FILTER C1 EEPROM ECO POWER F2 RDS -ATTEN. AM (80% MOD) INCREDIBLE 1.90V 67dBA FM (67.5 kHz) LEFT/RIGHT LEFT/RIGHT 125mV +5V6_ECO

39、 I2C DATA -33V 76dBA M HEADPHONE CHOKE +12V_A F2x SELECTOR HP_OUT FRONT PWDN TRAFO SOURCE SELECTOR ATTN. +9V AUX / CDR IR EYE ADC +5V6 F2x (NOT USED FOR -/37) I2C CLK A2 3.0dB D F1 LOW_POWER_CONTROL +5V_CD CONTROL A 16dB 5DTC POWER SUPPLY Rin = 3k +D 250mV ZZ dB VOLUME CONTROL ECO6 AMPLIFIER 2.50V +

40、9.1V CDC CONTROL +CD +C L CONTROL +D I2C SHIFT REGISTER M62320FP I2C CLK I2C DATA 78dBA 3.2dB 16dB -8.5dB USB +12V_A +12V_A +5V6 +12V_A A 2 X 6 OHMS +12V_A XX mV A1 N 5DTC CONTROL A & FOR MP3 VERSION L/R SPEAKER TUNER HP_DET MAINS 85dBA 650mV -6dB Track FUSE COMBI USB DECODER TMP88CU74YF D +5V6 +C +

41、5V6 D CD_ON 500mV / 1000mV +5V6 VOLTAGE LPS NTC F1 F2 LPC CONTROL 500mV HP_OUT F1x TREBLE HP DET CONTROL INTERFACE +12V_M uP +D USB/MAX LEDS FUSE F1x +5V6 NTC Block Diagram_3139 119 35490 dd wk0251 4-14-1 SET BLOCK DIAGRAM 1302 HP FCT 1013 1 FCT 1026 FROM TUNERS METAL STRIP TO AUXS METAL STRIP 8010

42、1P/180 mm FCS 1402 $ - FOR SETS WITH ECO FEATURE 8004 LINE OUT # 1006 DIGITAL OUT # 1004 SUBWOOFER OUT 1001-A AUX-IN 1 1 9P/180mm/AD BI - BOARD IN ENTRY 1 FAN EHT 1402 FCT 1025 REGULATOR/ EHT 1314 EHT - EH TOP ENTRY FCS - FFC SIDE ENTRY FCT - FFC TOP ENTRY 1 1FCS 1401 FRONT # 8101 1 1 15P/480mm/BD/F

43、old FCS 1824 8003 FCT 1209 $ LPS EHT 1302 19P/180mm/AD/Fold 8008 TRAFO 1 LEGEND 8200 1P/180 mm 1P/100 mm 2P/260mm TRAFO N L 1204 EHS - EH SIDE ENTRY 9P/120mm 1 1 (1102) 9P/220mm 8002 FCT 1400 EHT 1203 8P/280mm/AD/Fold EHT 1400 1FCS 1702 USB (1106) 8P/100mm/BD 8006 7P/180mm/AD (1105) COMBI PIN TYPE 1

44、 (1103) ECO6 (1101) 1 1 TO BOTTOM PLATE 4P/120mm/AD 8007 FCT 1022 STABILISER FCS 1301 8009 SUPPLY (MAINS) 1 FCS 1703 TO BOTTOM PLATE 1 FCT 1120 LOUDSPEAKER 1307# 1001-B 2P/100mm 8100 CDC KEY (1105) EHT 1336 # - PROVISION FCT 10141 (1102) 5DTC FCT 1018 8001 7P/220mm/AD (5001) FCT 1304 1 8005 1701 USB

45、 BI 8100 (1102) 1 # 8011 # 8101 (1104) ON REARCAB Wiring Diagram_3139 119 35500 dd wk0251 5-1 SET WIRING DIAGRAM 5-1 P1 P2 P3 P4 P5 P6 P7 P8 P9 P10 P11 P12 P13 P14 P15 P16 P17 P18 P19 P20 P21 P22 P23 3G a h j , p k b f m g c e r n d - - - - - - - - - - 2G a h j , p k b f m g c e r n d B1 B2 B3 B4 B5

46、 B6 B7 B8 B9 - 1G S1 S2 S3 S4 S5 S6 S7 S8 S9 S10 10G S1 S2 S3 S4 S5 S6 S7 - 9G a h j , p k b f m g c e r n d B1 B2 B3 B4 B5 B6 B7 B8 B9 - 4G a h j , p k b f m g c e r n d - - - - - - - - - - 5G a h j , p k b f m g c e r n d - - - - - - - - - - 6G a h j , p k b f m g c e r n d - - - - - - - - - - 7G

47、a h j , p k b f m g c e r n d col Dp - - - - - - - - 8G a h j , p k b f m g c e r n d - - - - - - - - - - FTD DISPLAY PIN CONNECTION (1G)(1G) (10G)(10G) (2G9G)(2G9G) S6 S5 S4 S3 S2 S1 S7S7 S6 S5 S4 S3 S2 S1 S7S7 a d jkbhf pncr gm e a d jkbhf pncr gm e S1 S2 S3 S4 S5 S6S1 S2 S3 S4 S5 S6 S10S9S8S7S6 S

48、5S4S3S2S1 S10S9S8S7S6 S5S4S3S2S1 9G 1G 10G2G9G 1G 10G2G 3G4G5G6G8G7G3G4G5G6G8G7G col Dp B4 B3 B2 B1 B6 B5 B8 B9 B7 B4 B3 B2 B1 B6 B5 B8 B9 B7 B4 B3 B2 B1 B6 B5 B8 B9 B7 B4 B3 B2 B1 B6 B5 B8 B9 B7 FRONT BOARD TABLE OF CONTENTS FTD Display Pin Connection .6-1 Front Board - Component layout .6-2 Front Board - Chip layout .6-3 Front Board - Circuit diagram (Part 1).6-4 Front Board - Circuit diagram (Part 2).6-5 Front Board - Circuit diagram (Part 3).6-6 CDC Key Part - Layout & Circuit diagram.6-7 Variant Table .6-7 Electrical parts list.