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Philips DVD Micro Theater MCD988, Service Manual, Page: 25 / 36

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Philips DVD Micro Theater MCD988 Service Manual Download Page 25

10 - 3

10 - 3

LAYOUT DIAGRAM - POWER BOARD

Summary of Contents for DVD Micro Theater MCD988

Page 1: ...ility Check 1 2 1 4 Technical specification 2 1 Service tools 2 1 Service measurement setup 2 2 Disassembly diagram 3 1 3 2 Software version check and upgrading 4 1 Block diagram 5 1 Wiring diagram 6 1 VFD Board circuit diagram 7 1 layout diagram 7 2 AMP Board in subwoofer box circuit diagram 8 1 layout diagram 8 2 8 3 CPU Tuner Board circuit diagram 9 1 layout diagram 9 2 9 3 Power Board in subwo...

Page 2: ...ICE AIDS GB WARNING All ICs and many other semi conductors are susceptible to electrostatic discharges ESD Careless handling during repair can reduce life 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 ...

Page 3: ...replace CD Drive Laser current ok N Y check Laser current CD Drive offsets ok N Y check CD Drive offsets clean the lens check playability return set Customer complaint CD related problem return set return set replace CD Drive return set replace CD Drive return set replace Signal Processor return set fast lens cleaning 1 2 3 4 5 6 7 For flap loaders access to CD drive possible cleaning method 4 is ...

Page 4: ...ted 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 3 FAST LENS CLEANING dry brush Use lens cleaning CD SBC AC300 9082 100 00043 Insert the lens cleaning CD press PLAY and follow the voice guide s instructions on the CD 4...

Page 5: ... with a DC Millivoltmeter directly on the connector see drawing below Pin numbering varies from drive to drive The values from diode A D should read 0 10mV Diodes E and F are less critical If one of the offsets is higher than 10mV the CD drive has to be replaced Otherwise replace the Signal Processor Sanyo DA12T3 CD Drive A A F C B E C D E VCC B VREF F D 9 10 11 12 13 14 15 16 1800 5V_HF VrefCD10 ...

Page 6: ...25 H x 141 D mm Weight 2 13 kg AMPLIFIER Rated output power THD 10 2x75W 41 Frequency response 100Hz 20kHz 0 5 2 dB S N Ratio 60dB Loaded impedance 4 1 TUNER FM Frequency range 87 5 108 MHz FM Noise limit sensitivity 20µV M FM S N 46dB Specifications SPEAKER Impedance 4 1 Output power 75W Sensitivity 80 4dB Frequency response 80Hz 16kHz Dimensions 198 W x 649 H x 163 D mm Weight 3 66 kg each SUBWO...

Page 7: ... 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 250kHz to eliminate hum 50Hz 100Hz RF Generator e g PM5326 Ri 50 L R LEVEL METER e g Sennheiser UPM550 with FF filter S N and distortion meter e g Sound Technology ST1700B DUT CD RECORDER Use Audio Signal Disc SBC429 48...

Page 8: ...isassembly diagram A Remove Bottom Cover C Remove DVD Decoder and CPU board Assy A1 Remove Screws M3 12 12PCS C1 Remove Screws M3 8 6PCS C A B Remove Fan out Screws Ｍ３ ８ 4PCS D Cut Plastic Wires 3PCS B D ...

Page 9: ...E Remove Motor G Remove CD Mechanism E1 Remove Screws M3 6 6PCS G1 Remove Screws M2 6 10 8PCS G E F Remove PCB Plank H Remove Main Panel F1 Remove Screws M3 6 2PCS H1 Remove Screws M3 6 14PCS F ...

Page 10: ...I Remove VFD Board Assy K Remove USB board I1 Remove Screws M2 6 8 10PCS K1 Remove Screws M3 10 2PCS K I L Remove Decorate Lamp J Remove Slide Plank and Slide Spring L1 Remove Screws M2 8 1PCS L J ...

Page 11: ...M Remove DVD door M N Remove Gating Plate N1 Remove Screws M2 6 8 2PCS N ...

Page 12: ...4 1 4 1 SOFTWARE VERSION CHECK AND UPGRADING ...

Page 13: ...SET BLOCK DIAGRAM 5 1 5 1 ...

Page 14: ...6 1 6 1 SET WIRING DIAGRAM ...

Page 15: ...4 PB7 5 PB6 6 VSS 7 PC2 VPP 8 PB0 9 PB1 10 PB2 11 PB3 12 PA0 13 PA1 14 PA2 15 PA3 16 PA4 17 PA5 18 IC4 TM58PR11S18 R56 10K R58 470 C25 100uf 16v5x7 C28 104p p_stauts_0 p_stauts_1 p_stauts_2 p_open_L p_open_R p_close_R p_close_L p_open_R_SW p_close_L_SW p_open_L_SW p_close_R_SW p_motor_R p_motor_L C27 104p p_open_L p_open_R p_close_R p_close_L p_open_R_SW p_close_L_SW p_open_L_SW p_close_R_SW V GND...

Page 16: ...7 2 7 2 LAYOUT DIAGRAM VFD BOARD ...

Page 17: ...4 100V SW IN 1 2 CN204 2p 2 5 C202 102 C205 102 C209 102 C2039 102 C2043 102 C214 102 C210 102 C2034 102 C2048 102p R235 4R7 R243 4R7 C236 560P C2018 560P C2015 470UE 35V C2012 470uf 35v C227 22uf 100v R253 10 R248 10 Vcc Vcc Vssp3 C279 47uf 16v R201 1K Q1 1 Q1 2 C1 3 R1 4 D1 5 S1 6 GND 7 S2 8 D2 9 R2 10 C2 11 Q2 12 Q2 13 Vcc 14 IC206 HEF4013T I1 1 O1 2 I2 3 O2 4 I3 5 O3 6 GND 7 O4 8 I4 9 O5 10 I5...

Page 18: ...LAYOUT DIAGRAM AMP BOARD 8 2 8 2 ...

Page 19: ...LAYOUT DIAGRAM AMP BOARD 8 3 8 3 ...

Page 20: ...7K R968 47K Q911 BC547C Q910 BC857B R965 68K C985 22uF 25V R966 10K R964 150 C983 82pF C979 1uF 50V FM VDD VCC2 AM FM R963 820 R962 820 C990 153 C989 153 1 3 2 CF901 10 7M 1 3 2 CF902 10 7M R945 120 R944 120 R948 330 C952 104 C951 10uF 16V 1 2 3 4 6 T901 6295 ANT 1 GND 2 GND 3 GND 4 VT 5 B 6 IF OUT 7 OSC OUT 8 GND 9 GND 10 FM FRONTEND TUNE1 KST F404 R949 330 R951 2 2K R952 000 C963 105 C953 104 C9...

Page 21: ...LAYOUT DIAGRAM CPU TUENR BOARD 9 2 9 2 ...

Page 22: ...LAYOUT DIAGRAM CPU TUENR BOARD 9 3 9 3 ...

Page 23: ...10 1 10 1 CIRCUIT DIAGRAM POWER BOARD PART 1 ...

Page 24: ...CIRCUIT DIAGRAM POWER BOARD PART 2 10 2 10 2 ...

Page 25: ...10 3 10 3 LAYOUT DIAGRAM POWER BOARD ...

Page 26: ... 680 CE37 22uF 16V J8 CON2 0 5 1 2 3 4 5 CE40 22uF 16V L38 FB 1206 CB55 0 1uF R122 160 1 R108 75 R128 160 1 Q20 2N3906 2 1 3 R123 2 2K C38 47pF Q16 2N3904 2 1 3 R124 33 R113 3 3K L29 1 8uH SMD R114 33 CE39 22uF 16V CB60 0 1uF CB62 0 1uF R127 3 3K Q23 2N3904 2 1 3 R116 4 7K R104 2 2K R125 75 1 CB57 0 1uF R120 75 1 C33 47pF R118 75 1 CB63 0 1uF L30 1 8uH SMD Q18 2N3904 2 1 3 R117 2 2K R112 2 2K C36 ...

Page 27: ...CB48 0 1uF CE28 100uF 16V R73 10K RN1 0x4 1 2 3 4 5 6 7 8 CB45 0 1uF CB50 0 1uF R71 10K R67 10K CE27 47uF 16V CB47 0 1uF U4 ESMT M12L64164A 1 2 4 12 5 7 9 8 10 46 11 13 15 16 17 18 19 35 22 23 24 25 26 14 41 29 30 31 32 33 34 36 37 38 39 40 43 42 44 52 45 47 49 48 50 51 53 54 20 21 3 6 27 28 VCC DQ0 DQ1 VSSQ DQ2 DQ3 VCCQ DQ4 DQ5 VSSQ DQ6 DQ7 DQML WE CAS RAS CS A11 A10 AP A0 A1 A2 A3 VCC VSS A4 A5 ...

Page 28: ...R27 0 CB35 0 1uF C24 0 015uF C18 10uF 10V R44 0 C14 220pF D2 BAT54C 1 3 2 L10 150uH DIP C16 NC C15 4 7uF C10 10uF 10V CB14 0 1uF R18 2K CB18 0 1uF R41 4 7 C8 6800pF R34 0 CB23 0 1uF TOP CON1 HEADER 24 SMD0 5 TOP 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 R28 0 Q1 2N3904 1 3 2 R53 1K J4 CON2 0 6 1 2 3 4 5 6 Q8 2N3906 2 1 3 C17 NC C22 330pF R17 0 R8 100K CB27 0 1uF Y3 27MHz C13 1...

Page 29: ...LAYOUT DIAGRAM DVD MPEG BOARD MPEG is not repaired diagram for referrence only 11 4 11 4 ...

Page 30: ...12 1 12 1 20 22 30 19 31 17 18 3 MOTO1 MOTO3 DVDDISC EXPLODED VIEW DIAGRAM 110 110 110 120 9 ...

Page 31: ...6548 98 not for 93 ...

Page 32: ...0500 IC PT6311 SC16311 CD16311 IC3 996510000010 IC LM7805 LM340T5 7805 IC4 994000005221 IC TM58PR11S18C LED1 994000005495 LED DIODE RED LED10 996510000260 WHITE LED DIODE 3R41W71W EB LED11 996510000260 WHITE LED DIODE 3R41W71W EB LED12 996510000260 WHITE LED DIODE 3R41W71W EB LED13 996510000260 WHITE LED DIODE 3R41W71W EB LED14 996510000260 WHITE LED DIODE 3R41W71W EB LED15 996510000260 WHITE LED ...

Page 33: ...PECIAL SWITCH TC V030A SW1101 996510002972 SPECIAL SWITCH TC V030A SW1102 996510002972 SPECIAL SWITCH TC V030A DVDDISC 996510004184 DVD DISC ASS Y HP 996510006174 HEADPHONE PCB ASSY MCD988 MAINLAMP 996510006175 MAIN LAMP PCB ASSY MCD988 MOTO1 996510006176 MOTOR ASSY L MCD988 MOTO2 996510006177 MOTOR PCB ASSY L MCD988 MOTO3 996510006178 MOTOR ASSY R MCD988 MOTO4 996510006179 MOTOR PCB ASSY R MCD988...

Page 34: ...000464 CHIP IC TDA8920 PACKING IC204 996510000464 CHIP IC TDA8920 PACKING IC206 996510000267 IC HEF4013T CHIP IC207 996510000463 CHIP IC 74HCU04D JACK201 996510015793 S VIDEO SOCKET DSW 1 XT202 996510000265 CERMIC FILTER CRB 600KHz POWER BOARD PCB2 996510015898 POW283 98 POWER BOARD ASSY 13 3 ...

Page 35: ...14 1 14 1 PACKING EXPLODED VIEW ...

Page 36: ...1811 PE POLYBAG 26X17cm 67 996510017437 PLASTIC BAG PE 13X5cm 68 996510014065 CABLE COVER PVC L 600MM 69 996510017434 PLASTIC GRANULE 6X30 70 996510017437 PLASTIC BAG PE 13X5cm 71 996510017438 PLASTIC BAG PE 70X15cm 72 996510017439 SCREW 4 X 10 BM PLATING 73 996510017440 ACCESSORY PRESENT BOX ACCESSORIES 416 996510007611 SPEAKER BOX ASSY L 417 996510007612 SPEAKER BOX ASSY R 418 996510007613 WOOFE...

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