Philips MCD 268 Service Manual Download Page 28 | Manualshive

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DECODER BOARD - Layout Diagram - 2

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Summary of Contents for MCD 268

Page 1: ...ftware Version Check Upgrade 2 1 Malfuction Check Chart 2 2 Disassembly Diagram 3 1 Block Diagram 4 1 Wiring Diagram 4 2 VFD Board 5 Circuit diagram 5 1 Layout diagram 5 2 Tuner Board 6 Circuit diagram 6 1 Layout diagram 6 2 Headphone Board 7 Power Board 8 Circuit diagram 8 1 8 2 Layout diagram 8 3 Decode Board 9 Circuit diagram 9 1 9 6 Layout diagram 9 7 9 8 Explode View 10 Service Partlist 11 Fa...

Page 2: ...in used MCD268 Service policy DISPLAY BOARD TUNER BOARD HEADPHONE BOARD POWER BOARD DECODE BOARD TIPS C Component Lever Repair M Module Lever Repair Used 55 55 58 58 61 61 79 79 93 93 94 94 96 96 98 98 37 37 12 12 05 05 Feature diffrence RDS VOLTAGE SELECTOR ECO STANDBY DARK C C C M M M M M M M M M M M M Type Versions MCD268 ...

Page 3: ...age Rejection 26dB Total Harmonic Distortion 3 Signal to Noise Ration 65dBA SPEAKERS Speaker Impedance 4ohm Speaker Driver base 4 5 Speaker Driver tweeter 3 Frequency Response 60 20 KHz GENERAL INFORMATION Total Output power 9 0 W RMS AC Power Operation Power Consumption 52W Standby Power Consumption 4W Eco Standby Power Consumption 1W Headphone Output 2X15mW 32ohm USB Direct Version 1 1 Dimension...

Page 4: ...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 in a Faraday s cage Use a bandpass filter or at least a high pass filter with 250Hz to eliminate hum 50Hz 100Hz RF Generator e g PM5326 Ri 50 Bandpass 250Hz 15kHz e g 71...

Page 5: ...ng 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 condition and that parts which are identical with those specified be used Safety components are marked by the symbol Lead free ...

Page 6: ...ET OK check playability N Y playability ok check playability 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 1 4 For description see following pages ...

Page 7: ...obviously caused by a scratched dirty or copy protected CD In 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 CLEANING Because the material of the lens is synth...

Page 8: ...ing OK to upgrade as below as below pressing OK to confirm which means OK to upgrade the Playback Common Setting Page Upgrade file detected General setup page Preference page TV type Audio Subtitle Disc menu Parental Default Preference page TV type Audio Subtitle Disc menu Parental Reset TV Display OSD language Screen saver Upgrade Press PLAY to start Upgrading TV Mode Display Language Screen Prot...

Page 9: ...2 2 2 2 Malfunction Check Chart ...

Page 10: ...Disassembly Diagram 3 1 3 1 ...

Page 11: ...4 1 4 1 Block Diagram TL072 DISPLAY BOARD DECODER BOARD TUNER BOARD POWER BOARD DECODER BOARD IC1 IC305 IC302 IC307 IC306 IC305 IC304 ...

Page 12: ...4 2 4 2 Wiring Diagram ...

Page 13: ... G12 G11 G10 G1 G2 G3 G4 G5 G6 G7 G8 G9 2 0 3 D 8 4 1 4 3 S K 3 S 9 0 3 W S L C P O 0 1 3 W S Y B D N A T S SW307 STOP 8 3 3 R K 0 1 9 3 3 R K 7 4 0 4 3 R K 0 1 3 2 3 R 7 4 5 1 3 C v 6 1 f u 7 4 4 1 3 C 4 0 1 2 2 3 R 0 1 SW311 PLAY PAUSE SW308 PROGRAM G1 G2 G3 G4 G5 G6 G7 G8 G9 G10 G11 S1 S2 S3 S4 S5 S6 S7 S8 S9 S10 S11 S12 S13 S14 S15 S16 G12 6 0 3 W S E M U L O V 5 0 3 W S E M U L O V U5V STADBY...

Page 14: ...5 2 5 2 VFD BOARD Layout Diagram ...

Page 15: ...6 1 6 1 TUNER BOARD Circuit Diagram ...

Page 16: ...6 2 6 2 TUNER BOARD Layout Diagram ...

Page 17: ...7 1 7 1 HEADPHONE BOARD ...

Page 18: ... 1 4W 2 2R R22 1 8W 0R R67 1 4W 2 2R CE3 47U 50V CE27 220U 25V CE28 220U 25V CE15 1000 F 35V CE19 47U 25V L2 10UH 1 4W 12V L4 10UH 1 4W 12V 24V L3 7UH 4A Q6 TL431 C16 104 50V R54 100K R57 5 6K X2 0 22UF 275V R19 1R R18 1R T1 L1 30MH 1 2 AC1 3P 3 96VH Y2 471 400V Y3 471 400V Y1 222 400V C24 1000 U 35V C29 220U 35V U1 1 U2A U2B R41 1206100K CE4 68U 400V CE1 68U 400V C9 102 1KV L8 BAND CE25 220U 35V ...

Page 19: ...C17 1uF 25V CE13 220uF 25V R39 22R 1 2 3 4 5 6 CN1 6P 2 0 Q3 8050 Q5 8050 C21 104 100V C20 104 100V Q8 8050 Q7 8050 R38 1 5K R49 220 R33 10K R34 10K R56 15K R31 10K R53 10K R28 22K Q11 8050 R55 1M R58 1 4W 10K C13 683 100V CE14 100U 25V R78 10K R79 22K R77 1K R66 20K Q10 8550 1 2 CN6 2P 2 5 R76 100K R80 2 2 R81 2 2 Z3 1 2W 12V R71 1 4W 220K C19 224 C50 104 CE12 2 2U 50V R68 100R R40 22R 24V 24V CE...

Page 20: ...8 3 8 3 POWER BOARD Layout Diagram ...

Page 21: ... 0 8 0 5 R199 6 8K R194 4 7K R192 4 7K JACK5 DC 023 1 2 3 R143 2 2K C E 9 4 2 u 2 F 0 8 0 5 C E 6 4 2 u 2 F 0 8 0 5 CB100 474 R190 47K D35 NS EZJZ1V800AA ESD0402 SMD 1 2 R180 39K CE60 220uF 16v C B 3 9 0 F u 1 C 1 9 0 3 3 P CB101 104 C75 474 C61 NC Q22 8550 2 1 3 CE38 100uF 16v R181 10 C E 3 4 2 u 2 F 0 8 0 5 J7 PH 6A_2 0 2 3 4 5 6 1 CB83 0 1uF R134 1K Q20 8550 2 1 3 C62 220PF R138 2 2K C B 4 9 0 ...

Page 22: ...6 20K R0603B CE35 100uF 16V CB58 0 1uF R128 10K L42 47uH_3A CB74 0 1uF CB80 0 1uF R123 3 3K U11 AP1501 2 1 3 4 5 VOUT VIN G D N B F D S R124 27K C57 0 1uF C76 0 01uF L36 FB CB78 0 1uF L35 FB CE36 1000uF 10V L4 FB CB81 0 1uF R119 1K R122 10K R118 10k CE30 220uF 16v R129 4 7K R0603B U12 CEM9435A SO8NB 1 2 3 4 5 6 7 8 S S S G D D D D L41 FB 1206 NC L1206B C56 0 1uF U7 AZ1117H 3 3V SOT223 1 2 3 4 G D ...

Page 23: ... HDMI TX PROCESSOR SPQFP80 SMD 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 1 2 2 2 3 2 5 2 4 2 6 2 7 2 8 2 9 2 0 3 1 3 2 3 3 3 4 3 5 3 6 3 7 3 8 3 9 3 0 4 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 1 6 2 6 3 6 4 6 5 6 6 6 7 6 8 6 9 6 0 7 1 7 2 7 3 7 4 7 5 7 6 7 7 7 8 7 9 7 0 8 DVSS C0 C1 C2 C3 C4 C5 C6 C7 DVDD33 VCK DVSS Y0 Y1 Y2 Y3 Y4 Y5 Y6 Y7 S S K C D S S D V D D 8 1 R T...

Page 24: ... 3 CB52 0 1uF CE22 100uF 10V R90 3 3K R68 2 2k R66 2 2K D2 1N4148 SMD 1 2 R84 75 1 CE17 10uF 16V CE16 10uF 0805 CE72 10uF 0805 CB51 0 1uF R94 100 L22 FB R86 1K 0805 C44 47pF R75 75 1 R69 OPEN CB53 0 1uF R88 33 L24 1 8uH SMD R62 OPEN R74 2 2K C48 47pF L25 1 8uH SMD C45 560P R64 100K CE71 10uF 0805 R93 2 2K Q13 2N3906 2 1 3 R85 10K C43 47pF R60 2 2k D4 4 3V SMD C47 47pF R80 1M L21 1 8uH SMD R83 43K ...

Page 25: ...8 137 136 134 135 133 132 131 130 9 4 2 5 5 2 24 4 5 2 1 3 2 0 3 2 8 3 2 7 3 2 8 4 2 7 4 2 6 3 2 1 5 2 6 4 2 3 4 2 1 4 2 2 4 2 0 4 2 9 3 2 4 3 2 5 3 2 2 3 2 4 2 2 5 2 2 2 2 2 1 2 2 0 2 2 9 1 2 6 2 2 8 1 2 7 1 2 5 1 2 3 1 2 4 1 2 4 0 2 1 1 2 0 1 2 9 0 2 8 0 2 2 1 2 7 0 2 6 0 2 5 0 2 3 0 2 2 0 2 1 0 2 0 0 2 9 9 1 8 9 1 7 9 1 6 9 1 5 9 1 4 9 1 3 9 1 3 3 2 44 47 48 49 50 51 8 8 9 8 6 1 2 3 2 2 8 2 2 9...

Page 26: ...5 5 2 6 2 3 4 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 2 5 1 R4 10k C4 330pF R33 20k R25 1 0805 R2 10k R24 1 0805 CE4 220uF 16v R31 20k R23 18k J2 PH 6A 1 2 3 4 5 6 R12 0 R11 680k CB5 0 1uF R34 0 R3 CE3 47uF 16v R16 150k CE1 100uF 16v R14 10k R29 10k R8 4 7k C9 150pF C8 150pF R13 0 R22 20k R35 10k R28 15k R27 1 0805 L2 10uH C2 2200pF Q4 8550 DIP 2 1 3 CB1 0 1uF R9 680k Q5 8550 DIP 2 1 ...

Page 27: ...9 7 9 7 DECODER BOARD Layout Diagram 1 ...

Page 28: ...9 8 9 8 DECODER BOARD Layout Diagram 2 ...

Page 29: ...D121 D129 10 1 10 1 EXPLODE VIEW ...

Page 30: ...D109 996510013870 DECODER ASSY D109A 996510008524 TUNER BOARD PCB ASSY ECO6 05 D126A 996510010933 MAIN BRACKET FOOT ASSY MECHNICAL PARTS FOR AMP CABLE 996510010886 FLAT FLEXIBLE CABLE D102 996510013874 PUSH DOOR PC For 268 D110 996510010913 MAINFRAME TOP DECORATION L D111 996510010914 MAINFRAME TOP DECORATION R D112 996510010943 MAINFRAME TOP DECORATION D113 996510010937 CONNECT PART D114 99651001...

Page 31: ...ISTOR 10K 1 8W J 52 1 PCS R302 CARBON FILM RESISTOR 10K 1 8W J 52 1 PCS R372 CARBON FILM RESISTOR 10K 1 8W J 52 1 PCS R682 CARBON FILM RESISTOR 10K 1 8W J 52 1 PCS R316 CARBON FILM RESISTOR 15 1 8W J 52 1 PCS R305 CARBON FILM RESISTOR 5 6 1W J 52 1 PCS R308 CARBON FILM RESISTOR 2 2K 1 8W J 52 1 PCS R309 CARBON FILM RESISTOR 2 2K 1 8W J 52 1 PCS R391 CARBON FILM RESISTOR 2 2K 1 8W J 52 1 PCS R317 C...

Page 32: ...ELECTROLYTIC CAP 47u 16V L 5 5X7 1 PCS C325 ELECTROLYTIC CAP 100u 16V L 5 105 C 6 3X 1 PCS C324 ELECTROLYTIC CAP 10u 25V L 5 4X5 1 PCS C315 ELECTROLYTIC CAP 220u 16V L 5 6 3X5 1 PCS C307 ELECTROLYTIC CAP 220u 35V L 8X11 5 12 1 PCS C301 NONINDUCTIVE CAP 104J 100V K 1 PCS L301 AXIAL FIXED INDUCTOR 10u 52 1 PCS L305 FIXED INDUCTOR 200U 6X5 1 PCS D301 DIODE IN60 52 1 PCS D305 DIODE IN60 52 1 PCS D302 ...

Page 33: ...S UNDERLAY VFD BOTTOM BLACK SPONGE 30X15X2 40 2 PCS UNDERLAY SENSOR BLACK SPONGE 8X8X7 75 1 PCS MCD288 LED BRACKET1 ABS 4 PCS MCD288 LED BRACKET3 ABS 1 PCS D109A TUNER BOARD ASS Y ECO6 05 1 SET CN1 PINS CONNECTOR 2 0X2X4P H8 1 PCS SHIELDINGING BOX F 8 28X26X13 PLATING 1 PCS TUNER BOARD ASS Y 5760IC 1 SET R18 CHIP RESISTOR 100K 1 16W J 0603 1 PCS R8 CHIP RESISTOR 10K 1 16W J 0603 1 PCS R15 CHIP RES...

Page 34: ...RANSISTOR 8050 SOT 23 1 PCS IC2 IC 74HC2G04 1 PCS IC1 IC TEA5760UK 1 PCS X1 CRYSTAL OSCILLATOR 32 768KHZ φ2X6 1 PCS L4 FERRITE BEAD 601 K 0603 1 PCS L5 FERRITE BEAD 601 K 0603 1 PCS TUNER PCB 35 ECO6 05A1 1 PCS D105 MCD288E V1 2 HEADPHONE BOARD ASS Y 1 SET R104 CARBON FILM RESISTOR 100 1 8W J 52 1 PCS R102 CARBON FILM RESISTOR 10K 1 8W J 52 1 PCS R113 CARBON FILM RESISTOR 1K 1 8W J 52 1 PCS R114 C...

Page 35: ...ANEL ABS 1 PCS D104C MCD288 CONNECT BRACKET ABS 2 PCS D104B MCD288 STANDBY OPEN KNOB ABS BLACK 2 PCS MCD268 98 MAIN DISPLAY FRAME ASS Y 1 SET D101A MCD288E DISPLAY LENS PC 1 PCS D101B MCD288 ROUND LIGHT GUIDE PMMA 1 PCS D101 MCD288 FRONT LENS BRACKET ABS 1 PCS D101C MCD288 FUNCTION BUTTON SOURCE 1 PCS D101D MCD288 FUNCTION BUTTON PLAY 1 PCS D101E MCD288 FUNCTION BUTTON STOP 1 PCS D101F MCD288 FUNC...

Page 36: ...R BOX ARM COVER R ABS 1 PCS D112 MCD288 MAINFRAME TOP DECORATION 1 PCS D110 MCD288 MAINFRAME TOP DECORATION 1 PCS D111 MCD288 MAINFRAME TOP DECORATION 1 PCS MCD288 INPUT DISC DUSTPROOF LABEL 1 PCS FERRITE CORE JTH16X12X8 1 PCS FLAT FLEXIBLE CABLE 24PX160X0 5XA 1 PCS 28WIRE 180 1 5 13PX1 2 0 10PX1 1 PCS 28WIRE 250 190 1 5 10PX1 2 0 6P 4PX1 1 PCS 28WIRE 280 1 5 3PX1 2 0 3PX1 1 PCS 28WIRE 250 2 0 6PX...

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