Philips MCM204 Service Manual Download Page 26 | Manualshive

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PCB LAYOUT - CD MP3 BOARD
USB PART

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Summary of Contents for MCM204

Page 1: ...mission of Philips Published by SL 0719 Service Audio Printed in The Netherlands Subject to modification Micro System Version 1 1 CLASS 1 LASER PRODUCT 3141 785 31321 TABLE OF CONTENTS Page Location of PCBs 1 2 Specifications 1 3 Measurement Setup 1 4 Service Aids Safety Instruction etc 1 5 CD Playability Check 1 6 to 1 8 Software Version Checking 2 Set Block Diagram 3 Set Wiring Diagram 4 Main Po...

Page 2: ...Tape Deck CD MP3 Board CD Drive Main Board Front MCU Board Power Board LOCATION OF PCBs 1 2 ...

Page 3: ...mV m Total harmonic distortion d 5 TAPE DECK Frequency response Normal tape type I 125 8000 Hz 8 dB Signal to noise ratio Normal tape type I 40 dBA Wow and flutter d 0 4 JIS SPEAKERS Bass reflex system Dimensions w x h x d 146 x 228 x 160 mm GENERAL INFORMATION AC Power 220 230V 50 Hz Dimensions w x h x d 146 x 228 x 216 mm Weight with without speakers approx 4 4 2 0 kg Power consumption Active 30...

Page 4: ...z 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 50Ω Bandpass 250Hz 15kHz e g 7122 ...

Page 5: ...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 6: ...ce 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 recom...

Page 7: ...o 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 LIQU...

Page 8: ... 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 A D E...

Page 9: ...ile set on standby Display shows the ROM version VER y yy MTP xx xx 2007 V refers to Version y yy refers to Software version number of the uProcessor counting up from 01 to 99 xx refers to date number of the production SOFTWARE VERSION CHECKING ...

Page 10: ...3 1 3 1 SET BLOCK DIAGRAM ...

Page 11: ...SET WIRING DIAGRAM 4 1 4 1 ...

Page 12: ...MAIN POWER BOARD TABLE OF CONTENTS Layout Top View 5 2 Layout Bottom View 5 3 Circuit Diagram AF Power Part 5 4 Circuit Diagram Tape Part 5 5 Circuit Diagram Tuner Part 5 6 5 1 5 1 ...

Page 13: ...5 2 5 2 PCB LAYOUT MAIN POWER BOARD TOP VIEW ...

Page 14: ...5 3 5 3 PCB LAYOUT MAIN POWER BOARD BOTTOM VIEW ...

Page 15: ...5 4 5 4 CIRCUIT DIAGRAM MAIN POWER BOARD AF POWER PART ...

Page 16: ...5 5 5 5 CIRCUIT DIAGRAM MAIN BOARD TAPE PART ...

Page 17: ...5 6 5 6 CIRCUIT DIAGRAM MAIN BOARD TUNER PART ...

Page 18: ...FRONT MCU BOARD TABLE OF CONTENTS Layout Top View 6 2 Layout Bottom View 6 3 Circuit Diagram 6 4 6 1 6 1 ...

Page 19: ...6 2 PCB LAYOUT FRONT MCU BOARD TOP VIEW 6 2 ...

Page 20: ...6 3 PCB LAYOUT FRONT MCU BOARD BOTTOM VIEW 6 3 ...

Page 21: ...6 4 CIRCUIT DIAGRAM FRONT MCU BOARD 6 4 ...

Page 22: ...CD MP3 BOARD TABLE OF CONTENTS CD MP3 PCB Layout Top View 7 2 CD MP3 PCB Layout Bottom View 7 3 CD MP3 PCB Circuit Diagram 7 4 CD MP3 PCB USB Part Circuit Diagram 7 5 7 1 7 1 ...

Page 23: ...7 2 PCB LAYOUT CD MP3 BOARD TOP VIEW 7 2 ...

Page 24: ...7 3 PCB LAYOUT CD MP3 BOARD BOTTOM VIEW 7 3 ...

Page 25: ...7 4 PCB LAYOUT CD MP3 BOARD 7 4 ...

Page 26: ...7 5 PCB LAYOUT CD MP3 BOARD USB PART 7 5 ...

Page 27: ...8 1 8 1 37 34 38 37 42 41 25 40 30 31 9 12 21 25 26 27 10 16 11 22 35 43 39 20 SET MECHANICAL EXPLODED VIEW ...

Page 28: ...M 25 994000001295 DAMPER GEAR ASS Y 26 996510000911 CD DAMPER BLACK 27 996510000912 CD DAMPER GREY 28 996510000913 12P FFC CABLE 1mm L200mm 29 996510000914 17P FFC CABLE 1 25mm 30 996510000915 CASS DECK CS 21SC 820DTS 31 996510000916 RECORD ARM 32 996510000917 CASS SPRING 34 996510000919 CASSETTE DOOR 35 996510000920 CD TRAY 37 996510000921 CASS KEY DOOR 38 996510000922 VOL KNOB 39 996510000923 PO...

Page 29: ...000003938 RECTIFIER DIODE RL 202 T22 994000004357 I F T 7mm 7AL 272HM D9 994000003938 RECTIFIER DIODE RL 202 T3 996510000886 AM ANT BLACK 7mm 7M4A1951X F1 994000000586 GLASS FUSE W LEAD 3 15A 250V U11 996510000881 IC TB2132FNG IC1 996510000882 IC TFA9842BJ U2 994000000253 IC KA7808E IC2 996500039806 IC ET2314 U33 996510000880 IC LM78L08 IC505 994000004533 IC YD7312 U6 994000001357 IC LM78L05 AC JA...

Page 30: ...67 OPTIC SENSER FM 6038TM2 5AN RL1 996500039818 RELAY ME 7 006 HSL DC6V AC10A SW15 994000001243 TACT SWITCH 160g SW16 994000001243 TACT SWITCH 160g SW17 994000001243 TACT SWITCH 160g SW18 994000001243 TACT SWITCH 160g SW19 994000001243 TACT SWITCH 160g SW20 994000001243 TACT SWITCH 160g SW21 994000001243 TACT SWITCH 160g SW22 994000001243 TACT SWITCH 160g SW23 994000001243 TACT SWITCH 160g SW24 99...

Page 31: ...L2 996510000850 AXIAL INDUCTOR 22UH 10 L204 996510000900 AXIAL INDUCTOR 22UH 10 L206 996510000900 AXIAL INDUCTOR 22UH 10 L208 996510000900 AXIAL INDUCTOR 22UH 10 L701 996510000900 AXIAL INDUCTOR 22UH 10 L702 996510000855 AXIAL INDUCTOR 100UH 10 L9 996510000901 CHOKE COIL 33UH 10 3A Q1 994000004145 TRANSISTOR B772Y Q2 994000004338 TRANSISTOR PMBT3904 Q208 994000004338 TRANSISTOR PMBT3904 Q702 99400...

Page 32: ... 0 Manual 3141 785 31320 Initial Service Manual released 1 1 Manual 3141 785 31321 In this version 1 the instruction of CD playability check is added 2 Chapter 3 to Chapter 7 have been revised according to latest diagrams ...

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