Philips-MCD-772-Service-Manual.pdf

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1、DVD Micro System MCD772 TABLE OF CONTENTS 3141 785 32711 DB 0839 2008 Location of PC Boards . 1-1 Specification . 1-2 Measurement Setup . 1-3 Service Aids . 1-4 Instruction On CD Playability .1-5 to 1-6 Software Version Check & Upgrade. 2-1 Malfuction Check Chart . 2-2 Power Board . 9 Decoder Board

2、.10 Disassembly Diagram.3-1 to 3-2 Block Diagram . 4-1 Wiring Diagram. 4-2 Volume Board .5-1 Display Board .6 Circuit diagram . 6-1 Layout diagram . 6-2 TUNER Board .8 AUX,USB&Headphone Board .7 Circuit diagram . 8-1 Layout diagram . 8-2 Circuit diagram .10-1 to 10-9 Layout diagram .10-10 to 10-11 C

3、ircuit diagram . 9-1 to 9-2 Layout diagram . 9-3 Explode View.11-1 to 11-2 Service Partlist .12-1 to 12-2 Factory Partlist .13-1 to 13-6 Version 1.1 1-1 Location of PC Boards DECODER BOARD HEADPHONE BOARD AUX BOARD VOLUME BOARD TUNER BOARD VFD DISPLAY BOARD FAN POWER BOARD 110/220 CHANGING BOARD VER

4、SION VARIATIONS : Type /Versions: Features Board in used: MCD772 Service policy DISPLAY BOARD USB BOARD AXU BOARD TUNER BOARD HEADPHONE BOARD DECODER BOARD VOLUME BOARD POWER BOARD * TIPS : C - Component Lever Repair. M - Module Lever Repair - Used /55 /55 /58 /58 /61 /61 /79 /79 /93 /93 /94 /94 /96

5、 /96 /98 /98 /37 /37 /12 /12 /05 /05 Feature diffrence RDS TDS VOLTAGE SELECTOR ECO STANDBY - DARK C M M M M M M M Type /Versions: MCD772 AMPLIFIER Rated Output Power . .2 x 50W RMS Signal-to-noise ratio. 65 dBA Frequency response . 50Hz - 3 dB+/-2 20KHz Aux Input.0.5V RMS 47kohm DISC LaserType. Sem

6、iconductor Disc Diameter. 12cm/8cm Support Disc . DVD,DVD-R,DVD-RW,DVD+RW,CD-DA,MP3,CD-RW Audio DAC .24Bits / 44.1kHz Total Harmonic Distortion. 28dB Image Rejection .25dB Total Harmonic Distortion. 50dBA SPEAKERS Speaker Impedance . 4ohm Speaker Driver, base.4.5 Speaker Driver, tweeter . 3 Frequenc

7、y Response.50Hz -3dB+/-2 20KHz GENERAL INFORMATION Total Output power . 1 0 0W RMS AC Power.220-230V / 50Hz/60Hz Operation Power Consumption . 55W Standby Power Consumption.4W Eco Standby Power Consumption .1W Headphone Output . 2X15mW 32ohm USB Direct. Version 1.1 Dimensions Main unit (w x h x d).

8、248x280 x105mm Speaker box (w x h x d). 206x170 x270mm Weight With Packing.9 KG Main Unit .3.5KG Speaker box .3.3KG Specifications and external appearance are subject to change without notice. 1-2 Specification 1-3 LF Generator e.g. PM5110 Recorder Use Universal Test Cassette CrO2SBC419 4822 397 300

9、69 LEVEL METER e.g. Sennheiser UPM550 with FF-filter S/N and distortion mete e.g. Sound Technology ST170 L R DUT or Universal Test Cassette FeSBC420 4822 397 30071 LEVEL METER e.g. Sennheiser UPM550 with FF-filter S/N and distortion meter e.g. Sound Technology ST1700B L R DUT CD Use Audio Signal Dis

10、c (replaces test disc 3) SBC429 4822 397 30184 Bandpass 250Hz 15kHz e.g. 7122 707 48001 LF Voltmeter e.g. PM2534 DUT S/N and distortion meter e.g. Sound Technology ST1700B Frame aerial e.g. 7122 707 89001 Tuner AM (MW,LW) To avoid atmospheric interference all AM measurements have to be carried out i

11、n a Faradays cage. Use a bandpass filter (or at least a high pass filter with 250Hz) to eliminate hum (50Hz, 100Hz). RF Generator e.g. PM5326 R =50? Bandpass 250Hz 15kHz e.g. 7122 707 48001 LF Voltmeter e.g. PM2534 DUT RF Generator e.g. PM5326 S/N and distortion meter e.g. Sound Technology ST1700B U

12、se a bandpass filter to eliminate hum (50Hz, 100Hz) and disturbance from the pilottone (19kHz, 38kHz). R =50? Tuner FM MEASUREMENT SETUP 1-4 SERVICE AIDS GBWARNING All ICs and many other semi conductors are susceptible to electrostatic discharges (ESD). Careless handling during repair can reduce lif

13、e drastically. When repairing, make sure that you are connected with the same potential as the mass of the set via a wrist wrap with resistance. Keep components and tools also at this potential. ESD CLASS 1 LASER PRODUCT GB Safety regulations require that the set be restored to its original conditio

14、n and that parts which are identical with those specified, be used Safety components are marked by the symbol !. Lead free Set remains closed! N Y Play a CD for at least 10 minutes Y playability ok ? N playability ok ? add Info for customer SET OK check playability N Y playability ok ? check playabi

15、lity check playability return set Customer complaint CD related problem fast lens cleaning 1 2 3 For flap loaders (= access to CD drive possible) cleaning method 4 is recommended INSTRUCTIONS ON CD PLAYABILITY 1-? Exchange CDM 14 For description see following pages 1 PLAYABILITY CHECK For sets which

16、 are compatible with CD-RW discs use CD-RW Printed Audio Disc.7104 099 96611 TR 3 (Fingerprint) TR 8 (600 Black dot) maximum at 01:00 playback of these two tracks without audible disturbance playing time for: Fingerprint ?10seconds Black dot from 00:50 to 01:10 jump forward/backward (search) within

17、a reasonable time For all other sets use CD-DA SBC 444A.4822 397 30245 TR 14 (600 Black dot) maximum at 01:15 TR 19 (Fingerprint) TR 10 (1000 wedge) playback of all these tracks without audible disturbance playing time for: 1000 wedge ?10seconds Fingerprint ?10seconds Black dot from 01:05 to 01:25 j

18、ump forward/backward (search) within a reasonable time 2 CUSTOMER INFORMATION It is proposed to add an addendum sheet to the set which informs the customer that the set has been checked carefully - but no fault was found. The problem was obviously caused by a scratched, dirty or copy-protected CD. I

19、n case problems remain, the customer is requested to contact the workshop directly. The lens cleaning (method 3) should be mentioned in the addendum sheet. The final wording in national language as well as the printing is under responsibility of the Regional Service Organizations. 4 LIQUID LENS CLEA

20、NING Because the material of the lens is synthetic and coated with a special anti-reflectivity layer, cleaning must be done with a non-aggressive cleaning fluid. It is advised to use “Cleaning Solvent The actuator is a very precise mechanical component and may not be damaged in order to guarantee it

21、s full function. Clean the lens gently (dont press too hard) with a soft and clean cotton bud moistened with the special lens cleaner. The direction of cleaning must be in the way as indicated in the picture below. Before touching the lens it is advised to clean the surface of the lens by blowing cl

22、ean air over it. This to avoid that little particles make scratches on the lens. INSTRUCTIONS ON CD PLAYABILITY 1-? 2-1 Software Version Check & Upgrade MCD772 Vxx Upgrade software Software check 3.Press SYSTEM on the remote open menu, press Left or Right to select “Preference Page”, TV screen showi

23、ng as below: Press Up or Down to select “Default” on remote, Press OK to exit reset. Software upgrade finish. Input password “811502” on remote, TV screen showing as below: Upgrade File detected -Preference Page- TV type PAL Audio CHI English Subtitle CHI French Disc menu CHI Spanish Parental Chines

24、e Japanese Default Korean Russian Tjai Upgrade? Press PLAY to start Upgrading CPU version check 1.Downloading the software form Philips support website 1.Keep press PLAY/PAUSE and STOP buttons,plug into the power cord at one time, TV showing as below: 2.Load the CD Disc or USB with software,when it

25、is loading, the TV screen showing as below: Waiting half to one minute,till the TV screen showing disappear. Turnoff electrical source and reopen. Ver : Date Time Region code MCD772 / xxxx mm dd yyyy hh : mm : ss x 2-2 Malfunction follow check chart Disassembly Diagram-DVD Part 3-13-1 A . rood DVD n

26、epo , rewop eht no nruT fo eca l p ow t ez i rp , f fo nru t neh t dnA . rood DVD evomer , teef rebbur fo kco l fo k cab detaco l hc i hw s wercs nesooL . D 0.3 KTTS 01-T XROT r evoc pot pot ecomoer neht dna , )SCP2 ( I N0.6 . revoc 3 s wercs nesooL . E AWP01 . redao l DVD evome r ot )SCP4( A B C D

27、E XROT SPILIHP s wercs nesooL . F , ) SCP4(BA 0.01X0.3 P5.1 01-T XROT ot )SCP5(3BA 0.6X0.3 01-T PTTS . l enap r ae r evomer F 3 s wercs nesooL.G )SCP4(MB5 . draob r edoced evomer ot G 3 s wercs nesooL .H )SCP2(TTMB5 . revoc mot tob evomer ot eht detaco l hc i hw swercs nesooL . I 3 t en i bac ed i s

28、 . )SCP2(TTMF5 H I 6.2 s wercs nesooL . J )SCP6(AP8 .draob y a l ps i d evomer ot J B eht detaco l hc i hw swercs nesooL 0108 KTTS 7-T XROT revoc fo t fe l ) SCP2 ( I N0.60.3 C eht detaco l hc i hw s wercs nesooL r evoc f o t hg i r0.3 0108 KTTS 7-T XROT . )SCP2( IN0.6 .SCP4 bonk l ano i t cnuf evom

29、eR . A A eht detaco l hc i hw swercs nesooL .B KTTS 7-T XROT r evo c pot fo t hg i r . )SCP2( IN 0.6X0.3 0108 detaco l hc i hw s wercs nesooL .C 7-T XROT r evoc pot fo t f e l eht . )SCP2( IN 0.6X0.3 0108 KTTS detaco l hc i hw s wercs nesooL .D 01-T XROT r evoc pot fo k cab . )SCP2 ( I N 0.6X0.3 BTT

30、S 01-T XROT SPILIHP swercs nesooL . E , )SCP2( 3BA 0.01X0.3 P5.1 PTTS XROT evomer ot )SCP4( 3BA 0.6X0.3 01-T . l enap raer B C D E 3 s wercs nesooL . FTTMB5（SCP2） . revoc mot tob evome r ot 3 s werc s nesooL . 1FHTB6（SCP2） . rota i dar evomer ot detaco l hc i hw swercs nesooL .G 3 t en i bac ed i sT

31、TMF5（SCP2） . G F 1F 3 s wercs nesooL . HMB5（SCP3） .draob PMA evomer ot H . ) SCP4(bonk l ano i t cnuf fo swercs nesooL . J6.2 s wercs nesooL . IAP8（SCP4）ot .draob emu l ov evomer 3 s wercs nesooL . 1HAB8（SCP1） .draob enohpdaeh evomer ot I 1I J Disassembly Diagram-AMP Part 3-23-2 4-1 4-1 Block Diagra

32、m DIP 42 IC101 VFD101 MPEG 4-24-2 Wiring Diagram J4 J5 J3 J13 CON1 J12 J7 J9 J15 J1 J6 J2 J8 J10 J14 J11 TUNNER GND TX_IPOD/SCL POD_DET RX_IPOD/SDA R_ POD/BT L_ POD/BT AGND_IPOD/BT POD_V DEO I5V 33VD DXR DNG DXT 1ETUM YBDNATS TUOR A_DNG TUOL V22_CCV DNG YBDNATS DNG A_DNG NIR_XUA NIL_XUA OPTICAL GND

33、PO_CCV TRACS_LDVD TRACS_RDVD TRACS_SBVC DNG TRACS_V/R TRACS_Y/G 9:61 TRACS_U/B #SBVC/BGR DNG +5V_USB USB+ -BSU DNG FFO/NO_BAD DNG +1M -1M 1FV 2FV V5UPC V72- DNG ETOMER TAD_SD KLC_SD 1BTS_SD DNG A_TOR B_TOR -DEL MOC WS_ESOLC DNG WS_NEPO +M -M SP- SP+ GND L MIT SL- SL+ CN101 BTS 5+ MER KLC ATAD 42- 2F

34、V 1FV VFD BOARD A_NUF DEL V21A DNG B_NUF SSAB ELBERT V5+ DNG A_TOR B_TOR VOLUME BOARD ETUM 0L 0R DNG HEADPHONE BOARD CN301 U-DNG SUBV -D +D USB BOARD CN501 DNG L R AUX BOARD CON5 AGND L0 R0 HP-MUTE LED CON4 FAN GND GND CON3 FUN_A LED A12V D-GND FUN_B BASS TREBLE +5V D-GND ROT_A ROT_B REMOTE STB CON2

35、 CON6 POW181B (HIGHPASS CIRCUIT) POWER BOARD AC IN FAN MPEG BOARD EJS89S772 Volume Board 5-1 5-1 G 1 B 2 A 3 1 0 2 R E D O C N E L O V RV202B100K RV201B100K 1 0 2 R K 7 . 4 2 0 2 R K 7 . 4 4 0 2 C 3 0 1 3 0 2 C 3 0 1 6 0 2 C 4 0 1 5 0 2 C 4 0 1 1 0 2 L H u 0 1 +5V D-GND BASS D-GND A12V ROT-B ROT-A 1

36、 2 3 4 5 6 7 8 9 10 11 2 N C P 1 1 TREBLE FUN_B FUN_A LED A12V 1 0 2 Q 0 5 0 8 3 0 2 R K 0 1 1 0 2 D 8 4 1 4 4 0 2 R K 0 1 7 0 2 C V 6 1 / F U 0 0 1 LED - D E L M O C G 1 B 2 A 3 2 0 2 R E D O C N E L O V 1 0 2 C 3 0 1 2 0 2 C 3 0 1 1 0 2 D E L 0 8 6 To Panel SW1 1 SW2 2 SW3 3 SW4 4 DOUT 5 DIN 6 IC

37、7 CLK 8 STB 9 KEY1 10 KEY2 11 KEY3 12 KEY4 13 ddV 41 1SK/ 1S 51 2SK/ 2S 61 3SK/ 3S 71 4SK/ 4S 81 5SK/ 5S 91 6SK/ 6S 02 7SK/ 7S 12 8SK/ 8S 22 9SK/ 9S 32 01SK/ 01S 42 11SK/ 11S 52 21SK/ 21S 62 S13 27 S14 28 S15 29 S16 30 S17/G12 31 S18/G11 32 Vdd 33 VEE 34 S19/G10 35 S20/G9 36 G8 37 G7 38 G6 39 5G 04

38、4G 14 3G 24 2G 34 1G 44 ddV 54 5DEL 64 )EBB(4DEL 74 )REWOP(3DEL 84 )TCNAF(2DEL 94 )TSR7057(1DEL 05 ssV 15 CSO 25 101CI 1136TP 401R K74 R108 33K R10533K R10633K R10733K 4K 3K 2K 1K 107D 8414 307D 8414 STB1 CLK DATA 1S 2S 3S 4S 5S 6S 7S 8S 9S 1SK 2SK -24V V5+ 1S 2S 201C 401 201R 5. 0/ 3. 3 1FV-V 2FV-V

39、 REM 1 GND 2 Vcc 3 101S ETOMER MER DNG-V +5V 01S 11S 21S S13 S14 S15 S16 S17 G11 G10 G1 G2 G3 G4 G5 G6 G7 G8 G9 STB1 DATA KLC DNG-V MER V5+ -24V V-VF2 V-VF1 101R 5. 0/ 3. 3 101C Fu74 R110 4K7 R109 10K R111 10K S1 S2 S3 S4 S5 S6 S7 G1 G2 G5 G4 G3 G6 G8 G7 G9 S9 S10 S18 S12 S13 S14 S8 S16 S15 S17 211R

40、 74 SW101 TACT(CLOCK) SW102 TACT(CH-/PRE) SW103 TACT(CH+/NEXT) SW104 TACT(REPEAT/ST.) SW105 TACT(PROG/MEM) SW106 TACT(PLAY/PRESET) SW107 TACT(STOP/BAND) SW108 TACT(OPEN/CLOSE) 1 2 3 4 5 6 7 8 9 101NC 0. 2/P9 G10 S11 VF1 2 S1 3 S2 4 S3 5 S4 6 S5 7 S6 8 S7 9 S8 10 S9 11 G1 12 G2 13 G4 14 G5 15 G3 16 G6 17 G8 18 G7 19 G9 20 G10 21 S10 22 S18 23 S12 24 S13 25 S14 26 S15 27 S16 28 VF2 31 VF1 1 VF2 32 S17 29 S11 30 101DFV