Philips MCM298/37 Service Manual Download Page 2

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Aux in / CDR in

Line Out

Video Out

Surround Out

Subwoofer Out

Digital Out

Digital in

Matrix Surround

RDS/NEWS

Dolby Pro Logic (DPL)

Incredible Surround

Karaoke Features

Voltage Selector

ECO Power Standby (Clock Display Off)

ECO6 Tuner Board - Systems Non-Cenelec

ECO6 Tuner Board - Systems Cenelec

VERSION VARIATIONS:

Type /Versions:

MCM298

Features &
Board in used:

USB Direct

/98

LACATION OF PCBS

Summary of Contents for MCM298/37

Page 1: ...nted in The Netherlands Subject to modification Micro System Version 1 0 CLASS 1 LASER PRODUCT 3141 785 31140 TABLE OF CONTENTS Page Location of PC Boards Versions Variation 1 2 Specifications 1 3 Measurement Setup 1 4 Service Aids Safety Instruction etc 1 5 to 1 7 Preparations Controls 1 8 to 1 11 Disassembly Instructions Service positions 2 Service Test Program 3 Set Block Diagram 4 Set Wiring D...

Page 2: ...und RDS NEWS Dolby Pro Logic DPL Incredible Surround Karaoke Features Voltage Selector ECO Power Standby Clock Display Off x x ECO6 Tuner Board Systems Non Cenelec ECO6 Tuner Board Systems Cenelec x x VERSION VARIATIONS Type Versions MCM298 Features Board in used USB Direct x x x 98 x x x x x LACATION OF PCBS ...

Page 3: ...ame aerial Sensitivity at 26dB S N 22uV Selectivity at 18kHz bandwidth 18dB IF rejection 45dB Image rejection 28dB Distortion at RF 50mV M 80 5 AMPLIFIER Output power 4 ohm 1kHz 10 THD L R 2 x 10W RMS Frequency response within 3dB 125Hz 16kHz DSC Rock Pop Jazz Classic Incredible Surround On Off Input sensitivity Aux in at 1kHz 500mV at 600 ohm CD Audio Disc1 0dB track Trk 35 Output sensitivity Hea...

Page 4: ...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 7122 707 48001 LF Voltmeter e g PM2534 DUT RF Generator e g PM5326 S N and distortion meter e g Sound Technology ST1700B Use a...

Page 5: ...822 397 30155 SBC429 Audio Signals disc 4822 397 30184 Dolby Pro logic Test Disc 4822 395 10216 ESD Equipment Anti static table mat large 1200x650x1 25mm 4822 466 10953 Anti static table mat small 600x650x1 25mm 4822 466 10958 Anti static wristband 4822 395 10223 Connector box 1MΩ 4822 320 11307 Extension cable to connect wristband to conn box 4822 320 11305 Connecting cable to connect table mat t...

Page 6: ...ectrostatische ontladingen ESD Onzorgvuldig behandelen tijdens reparatie kan de levensduur drastisch doen verminderen Zorg ervoor dat u tijdens reparatie via een polsband met weerstand verbonden bent met hetzelfde potentiaal als de massa van het apparaat Houd componenten en hulpmiddelen ook op ditzelfde potentiaal I AVVERTIMENTO Tutti IC e parecchi semi conduttori sono sensibili alle scariche stat...

Page 7: ...es has to be purchased at external companies Special information for BGA ICs always use the 12nc recognizable soldering temperature profile of the specific BGA for de soldering always use the lead free temperature profile in case of doubt lead free BGA ICs will be delivered in so called dry packaging sealed pack including a silica gel pack to protect the IC against moisture After opening dependent...

Page 8: ...gh 9d cdi XdccZXi bdgZ i Vc dcZ heZV Zg id Vcn dcZ eV g d heZV Zg iZgb cVah 9d cdi XdccZXi heZV Zgh l i Vc beZYVcXZ adlZg i Vc i Z heZV Zgh hjeea ZY EaZVhZ gZ Zg id i Z HE 8 86I DCH hZXi dc d i h bVcjVa EaVX c i Z hZi VcY heZV Zgh L i i Z hjeea ZY YZiVX VWaZ hiVcYh VcY lVaa bdjci c i ndj XVc Z i Zg eaVXZ i Z bV c hZi VcY heZV Zgh dc YZh ide dg bdjci i Zb dcid lVaa 9Zh ide chiVaaVi dc h iV Zc dg Zm...

Page 9: ...diZ 8dcigda Y gZXian Vi i Z gZbdiZ hZchdg G dc i Z gdci eVcZa 2 9d cdi eji Vcn dW_ZXih WZilZZc i Z GZbdiZ 8dcigda VcY i Z hnhiZb l aZ deZgVi c i Z hnhiZb 86JI DC GZbdkZ WViiZg Zh i Zn VgZ Zm VjhiZY dg i Z GZbdiZ 8dcigda h cdi WZ c jhZY dg V adc i bZ 9d cdi jhZ daY VcY cZl dg Y ZgZci ineZh d WViiZg Zh c XdbW cVi dc 7ViiZg Zh XdciV c X Zb XVa hjWhiVcXZh hd i Zn h djaY WZ Y hedhZY d egdeZgan 5 7 4 0 ...

Page 10: ... igVn dg eaVnWVX 0 EGD G6B dg 89 BE 89 egd gVbbZh igVX h VcY gZk Zlh i Z egd gVb dg IJC G egd gVbh ijcZg hiVi dch HDJG8 hZaZXih i Z gZheZXi kZ hdjcY hdjgXZ dg 89 IJC G B 6B 6JM 8AD8 I B G hZih i Z XadX dg i bZg jcXi dc n XdccZXih ZVYe dcZh 8dcigdah dc i Z gZbdiZ aajhigVi dch dc eV Z 1 HI6C97N DC B hl iX Zh i Z hnhiZb dc dg id Xd EdlZg hiVcYWn cdgbVa hiVcYWn l i XadX Y heaVn 2 HdjgXZ hZaZXi dc JH7 ...

Page 11: ... the points listed below before taking the system for repair If you are unable to remedy a problem by following these hints consult your dealer or Philips for help 0 4 h Y heaVnZY GVY d gZXZei dc h eddg I Z hnhiZb YdZh cdi gZVXi l Zc Wjiidch VgZ egZhhZY HdjcY XVccdi WZ ZVgY dg h d eddg fjVa in I Z aZ i VcY g i hdjcY djiejih VgZ gZkZghZY I Z gZbdiZ Xdcigda YdZh cdi jcXi dc egdeZgan I Z i bZg h cdi ...

Page 12: ...ove the CD Door Track then remove Left and Right CD Door 5 screws each on the upper under side Detaching the Control Panel Ass y from the Front Panel Ass y Figure 1 Figure 3 Figure 4 1 Loosen 11 screws E see Figure 4 to remove the Control Panel Ass y Figure 2 Dismantling of the Front and Rear Panel assembly B B A C D E Detach the speaker stands in the same way as you do the main unit stand To deta...

Page 13: ...ner Board and or CD Module completely unless the fault is sus pected 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 encasing otherwise faults may occurs ...

Page 14: ...switch all LEDs on To hold ALBUM PROGRAM depressed while set on standby Display shows the ROM version Vy y MTP xx xx 2006 Main menu V refers to Version y y refers to Software version number of the uProcessor counting up from 01 to 99 xx refers to date number of the production ALBUM PLAY SERVICE TEST PROGRAM ...

Page 15: ...4 1 4 1 SET BLOCK DIAGRAM ...

Page 16: ...SET WIRING DIAGRAM 5 1 5 1 ...

Page 17: ...isplay Pin Connection 6 1 Main PCB Layout Top View 6 2 Main PCB Layout Bottom View 6 3 Main PCB Circuit Diagram Audio Part 6 4 Main PCB Circuit Diagram CD Part 6 5 Class D Power PCB Layout Top View 6 6 6 1 6 1 FTD DISPLAY PIN CONNECTION ...

Page 18: ...6 2 6 2 PCB LAYOUT MAIN BOARD TOP VIEW ...

Page 19: ...PCB LAYOUT DISPLAY BOARD BOTTOM VIEW 6 3 6 3 ...

Page 20: ...6 4 6 4 CIRCUIT DIAGRAM MAIN BOARD AUDIO PART ...

Page 21: ...6 5 6 5 CIRCUIT DIAGRAM MAIN BOARD CD PART ...

Page 22: ...6 6 6 6 PCB LAYOUT CLASS D POWER BOARD ...

Page 23: ... 6 5 43 C D 450kHz 450kHz 450kHz 20 75kHz VStabA VStabB VStabB VStabA VStabB 10 7 MHz 10 7 MHz 35 9 Vdd Vcc1 7 23 VStabA VStabB 38 34 22 Vcc2 8 ECO6 Systems 140499 LF filter RDS MPX RDS MPX stereo clock data enable Version 1120 1 8 FM Frontend AM Frontend AM FRAME AERIAL B 1103 1101 1102 A FM MPX buffer ampl 5 Discriminator 10 7 MHz Vdd Vcc1 Vcc Vcc2 AM RF AM Osc FM Osc FM RF FM IF 1 FM IF 2 AM IF...

Page 24: ...1n 3134 22K 6105 2 HN1V02H 100n 2163 T141 7KL 1K 3144 5102 3157 100K T109 470R 3153 2130 22n 220R 3105 3142 100K 3167 120R 33p 2149 2K2 3145 1132 C PAD T103 T111 2164 470n T102 2140 15p 2139 2138 2u2 82p 2133 1u 3103 8K2 T120 4p7 2154 3156 1101USA YKD21 100K 2161 100n 5119 2119 10p T142 5123 11p 2106 3172 6106 BAS216 100n 2165 5K6 3154 3155 220R 330R 2124 33K 3176 22n WRITE EN 5114 7P MUTE P0 P1 P...

Page 25: ...riginal frame antenna has to be used 2 RC network serves for damping the IF filter while adjusting the other one 4 MW has to be aligned before LW Waverange Input frequency Input Tuned to Adjust Output Scope Voltmeter FM 87 5 108MHz 65 81 74 87 5 108MHz FM MW version 9kHz grid 531 1602kHz as low as possible ECO6 System non Cenelec stage 3 120900 TUNER BOARD ECO6 Systems non Cenelec componentside vi...

Page 26: ...10 63V RDS only RESISTORS 3101 4822 051 20333 33kΩ 5 0 1W 3102 4822 117 10837 100kΩ 1 0 1W 3103 4822 051 20822 8 2kΩ 5 0 1W 3104 4822 117 13577 330Ω 1 0 1W 3105 4822 117 11503 220Ω 5 0 1W 3132 4822 051 20479 47Ω 5 0 1W 3134 4822 051 20223 22kΩ 5 0 1W 3141 4822 117 11148 56kΩ 1 0 1W 3142 4822 100 12159 TRIMPOT 100kΩ RESISTORS 3143 4822 051 20223 22kΩ 5 0 1W RDS only 3144 4822 051 10102 1kΩ 2 0 25W ...

Page 27: ...CB Layout 8 2 Power PCB Circuit Diagram 8 2 8 1 8 1 BRIEF INTRODUCTION OF THE MAINS BOARD ECO Power Standby Transformer TRS2 provides the LPS supply to control the relay REL1 cutting of the Mains supply to the Mains transformer during the ECO Power standby mode ...

Page 28: ...8 2 PCB LAYOUT ECO POWER BOARD 8 2 ...

Page 29: ...DISPLAY BOARD TABLE OF CONTENTS Display PCB Layout Top View 9 2 Display PCB Layout Bottom View 9 3 Display PCB Circuit Diagram 9 4 9 1 9 1 ...

Page 30: ...PCB LAYOUT DISPLAY BOARD TOP VIEW 9 2 9 2 ...

Page 31: ...9 3 9 3 PCB LAYOUT DISPLAY BOARD BOTTOM VIEW ...

Page 32: ...9 4 9 4 CIRCUIT DIAGRAM DISPLAY BOARD ...

Page 33: ...KEY BOARD TABLE OF CONTENTS KEY1 PCB Layout Top View 10 2 KEY1 PCB Circuit Diagram Part 10 2 KEY2 PCB Layout Top View 10 3 KEY2 PCB Circuit Diagram Part 10 3 10 1 10 1 ...

Page 34: ...PCB LAYOUT KEY1 BOARD TOP VIEW 10 2 10 2 CIRCUIT DIAGRAM KEY1 BOARD ...

Page 35: ...10 3 10 3 PCB LAYOUT KEY2 BOARD CIRCUIT DIAGRAM KEY2 BOARD ...

Page 36: ...CHANICAL EXPLODED VIEW 1 2 6 12x 7 8 9 10 12 13 14 15 16 17 19 21 20 22 24 2x 25 27 2x 28 29 8x 31 2x 33 2x 34 2x 36 4x 37 8x 38 8x 39 4x 42 43 47 48 49 50 51 2x 52 53 54 55 56 57 58 56 54 56 59 59 32 2X 18 2X 60 2X 46 ...

Page 37: ...3X1 3MM 33 9940 000 02818 DOOR MOTOR PULLY 34 9940 000 02815 DC MOTOR 5V 37 9940 000 01944 DAMPER RUBBER 30C 38 9965 000 40396 DAMPER RUBBER 50C 39 9940 000 05398 CD MECHANISM DA11B3VF 50 9965 000 40381 REAR PANEL Note Only these parts mentioned in the list are normal service parts ELECTRICAL PARTS LIST MISCELLANEOUS 46 9965 000 40404 TRANSFORMER 120V R25 F301 9940 000 01229 FUSE RADIAL T200MA 250...

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