Philips MCM720 Service Manual Download Page 22 | Manualshive

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LAYOUT DIAGARM - PANEL BOARD

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Summary of Contents for MCM720

Page 1: ...CBS 1 1 Technical specification 2 1 Service tools 2 1 Service measurement setup 2 2 Connections and controls 3 1 3 3 Dismantling instructions 4 1 4 3 Block diagram 5 1 Wiring diagram 6 1 Main Board circuit diagram 7 1 7 2 layout diagram 7 3 7 4 C Music Board circuit diagram 8 1 8 2 layout diagram 8 3 8 4 Panel Board circuit diagram 9 1 layout diagram 9 2 Cassette Board circuit diagram 10 1 layout ...

Page 2: ...n used MCM720 Service policy TIPS C Component Lever Repair M Module Lever Repair Used C Feature diffrence RDS VOLTAGE SELECTOR ECO STANDBY DARK Type Versions C C C C C 05 12 MAIN BOARD CASSETTE BOARD PANEL BOARD CMUSIC BOARD MCM720 05 12 TUNER BOARD C C C C C C RECTIFIER BOARD ...

Page 3: ...2 1 TECHNICAL SPECIFICATIONS ...

Page 4: ... 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 5: ... iVeZ XdbeVgibZci 977 C8G 9 7A HJGGDJC9 H id XgZViZ V hjeZg Zc VcXZY hiZgZd Z ZXi id Zc VcXZ i Z WVhh 9H8 9 iVa HdjcY 8dcigda id hZaZXi i Z YZh gZY hdjcY Z ZXi DEI B6A GD8 6OO EDE KDAJB KDA id cXgZVhZ dg YZXgZVhZ i Z kdajbZ dc i Z hnhiZb dcan id VY_jhi i Z djgh VcY b cjiZh dg i Z XadX i bZg jcXi dch HDJG8 id hZaZXi i Z gZheZXi kZ hdjcY hdjgXZ JH7 89 IJC G I6E dg 6JM G 8DG9 id hiVgi gZXdgY c G hZch...

Page 6: ...Va d i Z JH7 YZk XZ dg i Z bZbdgn XVgY 1 chZgi i Z bZbdgn XVgY cid V XVgY gZVYZg cdi hjeea ZY 2 JhZ V JH7 XVWaZ cdi hjeea ZY id XdccZXi i Z XVgY gZVYZg cid i Z hdX Zi dc i Z hZi 8dccZXi c V cdc JH7 YZk XZ JhZ V X cX XVWaZ id XdccZXi 6JM C id i Z VcVad jZ VjY d dji iZgb cVah d Vc ZmiZgcVa Zfj ebZci IK K8G AVhZg 9 hX eaVnZg 9K9 eaVnZg dg 89 GZXdgYZg CdiZ ndj VgZ XdccZXi c Zfj ebZci l i V bdcd djieji...

Page 7: ... dX V Vjai dXXjgh ghi X ZX i Z ed cih a hiZY WZadl WZ dgZ iV c i Z hnhiZb dg gZeV g ndj VgZ jcVWaZ id gZbZYn V egdWaZb Wn daadl c i ZhZ cih Xdchjai ndjg YZVaZg dg E a eh dg Zae EgdWaZb Hdaji dc IgdjWaZh ddi c GZXdgY c dg eaVnWVX XVccdi WZ bVYZ CHK TAPE h Y heaVnZY I Z iVeZ YZX Yddg XVccdi deZc 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 ...

Page 8: ...gure 2 Lift up and out Push catches on two sides A Figure 3 1 Remove 2 screws B see Figure 3 from the bottom of the Cabinet Front Detaching the Front Panel assembly from the Bottom Rear assembly 2 Release the fixation of the Combi Board pos1102 1003 to Bracket Combi pos 155 by releasing the 2 catches C1 see Figure 7 and pulling the Combi Board outwards as shown in Figure 7A 3 Uncatch 2 catches C2 ...

Page 9: ...8 to remove the Tuner Board assembly 2 Loosen 5 screws L see Figure 8 to free the Main Board 3 Loosen 1 screw M see Figure 8 to free the Mains Socket Bracket 4 Loosen 1 scew N and 2 catches C6 see Figure 8 to free the Panel Rear by sliding it out towards the rear Note Tuner Board assembly and Mains Socket Bracket can also be removed together with the Panel Rear Figure 7 C D F E ...

Page 10: ...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 11: ...5 1 5 1 SET BLOCK DIAGRAM ...

Page 12: ...6 1 6 1 SET WIRING DIAGRAM ...

Page 13: ...7 1 7 1 CIRCUIT DIAGRAM MAIN BOARD PART 1 ...

Page 14: ...7 2 7 2 CIRCUIT DIAGRAM MAIN BOARD PART 2 ...

Page 15: ...7 3 7 3 LAYOUT DIAGRAM MAIN BOARD COMPONENT SIDE ...

Page 16: ...7 4 7 4 LAYOUT DIAGRAM MAIN BOARD COPPER SIDE ...

Page 17: ...8 1 8 1 CIRCUIT DIAGRAM C MUSIC BOARD PART 1 ...

Page 18: ...8 2 8 2 CIRCUIT DIAGRAM C MUSIC BOARD PART 2 ...

Page 19: ...LAYOUT DIAGRAM C MUSIC BOARD COMPONENT SIDE 8 3 8 3 ...

Page 20: ...LAYOUT DIAGRAM C MUSIC BOARD COPPER SIDE 8 4 8 4 ...

Page 21: ...9 1 CIRCUIT DIAGARM PANEL BOARD 9 1 ...

Page 22: ...LAYOUT DIAGARM PANEL BOARD 9 2 9 2 ...

Page 23: ...10 1 10 1 CIRCUIT DIAGRAM CASSETTE BOARD ...

Page 24: ...10 2 10 2 LAYOUT DIAGRAM CASSETTE BOARD 2 1 3 4 COMPONENT SIDE COPPER SIDE ...

Page 25: ...7 7112 BC547C 2134 22n USA 22n USA C PAD 1131 T141 2106 11p 20p_LW 0R 4104 0R 41xx 2165 100n 1130 C PAD 10K 3180 2150 100n BZX284 C11 6107 T102 2127 220n 2169 2n2 100K 3170 1 I 3 O 2125 560p 5109 2 G 470R 3152 2108 100p 3125 10K 3153 470R 330R 3193 T103 120R 3167 100R 3195 7 8 33K 3176 8 5122 1 2 3 4 6 5123 1 2 3 4 6 7 5110 G 2 I 1 O 3 5115 1 2 3 4 6 7 8 2 3 4 6 7 8 5119 1 2135 100n 2163 LW 7104 B...

Page 26: ...a has to be used TUNER ADJUSTMENT TABLE ECO6 Cenelec FM MW and FM MW LW versions with AM frame aerial max symmetric fo max symmetric fo ECO6 Sys Cenelec 190599 B f 30kHz VRF as low as possible MW has to be aligned before LW 3 band 2 band Note The FM frontend unit has already been adjusted by the factory and needs therefore no further adjustments for service purposes 2141 shortcircuit to block AFC ...

Page 27: ...12 1 12 1 CIRCUIT DIAGRAM RECTIFIER BOARD ...

Page 28: ...12 2 12 2 LAYOUT DIAGRAM RECTIFIER BOARD ...

Page 29: ...13 1 13 1 EXPLODED VIEW DIAGRAM ...

Page 30: ...42 VOLUME KNOB 39 994000003231 CASSETTE DOOR SPRING 40 994000005784 FRONT CABINET 45 994000003244 SOURCE SELECTOR BUTTON COVER 46 994000003245 CD CONTROL COVER 48 994000001434 CASS DECK MECHANISM 52 994000003234 RUBBER FOOT 11x11x6mm 53 994000003239 RIGHT CABINET 63 994000003238 LEFT CABINET 79 994000003235 RUBBER FOOT 22x7x6mm 82 994000003241 REAR CABINET 90 996500017765 CD DAMPER BLACK COLOR 91 ...

Page 31: ...3 994000003199 I C HEF4094BT IC801 996500021009 I C PT4800 L DIP 8 PIN IC402 994000003201 I C TC4052BF SWITCHING IC203 996500017295 I C MC7806CT IC201 994000005724 I C LD1117AL 3 3V D 994000005725 I C LD1117A 3 3V DC IC701 994000005726 IC TDA7296 MULTIWATT15V IC702 994000005726 IC TDA7296 MULTIWATT15V Q203 994000001436 TRANSISTOR 2SB1566 F Q208 994000005727 TRANSISTOR 2SB562C TO 92MOD 994000005728...

Page 32: ...TE BOARD MISCELLANEOUS 5703 994000001432 AM OSC BLACK 10M 7720 994000005719 I C SM AN17150A E2V 7610 994000003199 I C HEF4094BT 7786 994000001433 TRANSISTOR FET J11 Note Only these parts mentioned in the list are normal service parts ...

Page 33: ...ORS Q102 994000003228 TRANSISTOR 2N5401 TO 92 MISCELLANEOUS F101 994000001447 FUSE 2 5A 250V GLASS UL CSA VDE F102 994000003224 FUSE 6 3A 250V D5X20MM GLASS F104 994000003224 FUSE 6 3A 250V D5X20MM GLASS F103 994000003225 FUSE 0 315A 250V T104 994000003226 AC LINE FILTER 400UH 30 RL101 994000001448 9V DC RELAY 10A ME 7 009 HL Note Only these parts mentioned in the list are normal service parts ...

Page 34: ...S 5121 994000005735 CRYSTAL 75KHZ 20PF 20PPM 482215711443 FM IFT BLACK 7MM 5112 482215770302 AM IFT YELLOW 7MM 5114 482215770302 AM IFT YELLOW 7MM 5111 242254944023 AM IFT BLACK 7MM 5102 994000001429 AM OSC BLACK 7MM 5122 242254944108 AM OSC BROWN 7MM 5123 242254944108 AM OSC BROWN 7MM 5103 994000001431 LW OSC PINK 7MM 5115 994000001428 LOW PASS FILTER BLACK 7MM MISCELLANEOUS 1102 994000001458 FM ...

Page 35: ... SSOP16 IC905 994000005751 I C 74HC4520DB SSOP16 IC900 994000005752 I C BM1117 1 8V SOT 223 IC902 994000005753 I C D9258PH LEAD FREE IC903 994000003272 I C M24C01 RDW6T IC904 994000003215 RDS IC SAA6581T V1 SOT162 1 Q909 996500016928 TRANSISTOR KTC 8050C KEC Q910 996500016928 TRANSISTOR KTC 8050C KEC Q204 994000005755 TRANSISTOR KTA1273 TO 92L MISCELLANEOUS J64 994000005754 FIXED INDUCTOR 33UH K Y...

Page 36: ...XRE DIA 121 DIA 3 U1 994000003214 VFD DRIVER IC PT6315 SW701 996500013779 TACT SWITCH SW702 996500013779 TACT SWITCH SW703 996500013779 TACT SWITCH SW704 996500013779 TACT SWITCH SW705 996500013779 TACT SWITCH SW706 996500013779 TACT SWITCH SW707 996500013779 TACT SWITCH SW708 996500013779 TACT SWITCH SW709 996500013779 TACT SWITCH SW710 996500013779 TACT SWITCH SW711 996500013779 TACT SWITCH SW71...

Page 37: ...INS FFC CABLE TYPE A 994000005768 FFC CABLE 12PINS L 180MM 994000005769 8PINS FFC CABLE L 190MM CON102 994000005771 USB CONNECTOR 994000003269 AC POWER CORD 05 994000001451 AC POWER CORD 12 994000005772 TRANSFORMER 230V 50HZ 994000005773 TRANSFORMER EI 76 230V 50HZ 994000003192 CASS PCB ASSEMBLY 994000005721 MAIN PCB ASSEMBLY 994000005732 TUNER PCB ASSEMBLY 994000005739 C MUSIC PCB ASSEMBLY 994000...

Page 38: ...REVISION LIST Version 1 0 3141 785 31000 Initial Release Version 1 1 3141 785 31001 Pages 13 2 Mechanical parts list adapted 15 1 ...

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