Philips MCM390, Service Manual

Page 1: ...ls 3 1 3 2 Disassembly diagram 4 1 4 3 Service test program 5 1 Pin description of ICs 5 2 5 3 Set block diagram 6 1 Set wiring diagram 6 2 Display and MCU board circuit diagram 7 1 layout diagram 7 2 Tuner board ECO6 cenelec circuit diagram 8 1 layout diagram 8 2 tuner adjustment table 8 2 Tuner board ECO6 noncenelec circuit diagram 8 3 layout diagram 8 4 tuner adjustment table 8 4 Cassette board...

Page 2: ...1 1 HANDLING CHIP COMPONENTS www nostatech nl www nostatech com ...

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Page 5: ...M 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 4822 397 30184 repla...

Page 6: ...3 1 CONNECTION AND CONTROLS www nostatech nl www nostatech com ...

Page 7: ...3 2 CONNECTION AND CONTROLS For more information onoperation instruction please visit Philips Audio internet site http www audio philips com www nostatech nl www nostatech com ...

Page 8: ... Cabinet A1 Remove 2 screws SP3x10 A2 Remove 7 screws SP3x10 A3 Remove 2 screws K3x10 A4 Remove 2 screws K3x10 B STEP B Remove Power Transformer and Mains board Remove 4 screws SP3x12 DISASSEMBLY DIADRAMS www nostatech nl www nostatech com ...

Page 9: ...Remove AC Cord Cover Remove 3 screws SP3x10 D STEP D Remove Main PCB from CD Tray Remove 3 screws SP3x10 E1 E2 STEP E Remove CD Tray from Front Cabinet E1 Remove 2 screws SP3x10 E2 Remove 2 screws SP3x10 www nostatech nl www nostatech com ...

Page 10: ...Remove CD Tray Cover Remove 4 screws SP3x10 F G1 G2 H STEP G Remove LCD PCB from Front Cabinet G1 Remove 2 screws SP2 6x8 G2 Remove 6 screws SP2 6x10 STEP H Remove Tape Deck M H H Remove 4 screws SP3x10 www nostatech nl www nostatech com ...

Page 11: ... 21 21M 30 TUNER VERSIONS 1 To toggle frequency grid press BAND button for more than 5s in normal tuner mode not in service testmode Display will show either or and show or when button released N Y TAPE TEST Display shows Solenoids of the deck are activated for 2s and deactivated for 3s Switch all actions off REC button pressed PLAY DISPLAY button pressed PLAY DISPLAY button pressed N Y TUN OSE TU...

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Page 13: ...5 3 5 3 BLOCK DIAGRAM OF INTEGRATED CIRCUIT IC 7400 TMP86CS25F PINS DESCRIPTION OF IC 7400 TMP86CS25F PIN FUNCTION www nostatech nl www nostatech com ...

Page 14: ...6 1 6 1 SET BLOCK DIAGRAM www nostatech nl www nostatech com ...

Page 15: ...6 2 6 2 SET WIRING DIAGRAM www nostatech nl www nostatech com ...

Page 16: ...7 1 7 1 CIRCUIT DIAGRAM DISPLAY AND MCU BOARD www nostatech nl www nostatech com ...

Page 17: ...7 2 7 2 LAYOUT DIAGRAM DISPLAY AMD MCU BOARD COMPONENT SIDE COPPER SIDE www nostatech nl www nostatech com ...

Page 18: ...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 BC337 40 2145 2...

Page 19: ...2 7111 A4 7122 C3 7124 C3 1 1 8 2 7 8 4 D A C 1 2 5 3 Vdd Vcc2 Vcc1 FM 98MHz Waverange Input frequency Input Tuned to Adjust Output Scope Voltmeter VARICAP ALIGNMENT FM VCO FM RF channel separation AM IF AM RF 3 108MHz 87 5MHz check check 8V 1 2V 1 6V 0 5V 8V 0 2V 6 9V 0 2V 1 1V 0 4V 152kHz 1kHz 1 98MHz 3142 198kHz 198kHz 5103 5111 FM 87 5 108MHz 50kHz grid 1602kHz 531kHz 5123 check MW 531 1602kHz...

Page 20: ...63 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 PILOT RF GND1 RF GND2 RIGHT RIPPLE ...

Page 21: ...ark 2 220R 100nF 36 IC 7101 220R 100nF 40 IC 7101 2141 shortcircuit to block AFC 21 IC 7101 max symmetric fo AM AFC MW C continuous wave VRF 2mV 5111 5114 2 0 2 mV DC 0 3 mV DC MW 4 FM MW LW and FM MW version 9kHz grid 531 1602kHz B f 30kHz VRF as low as possible max symmetric fo MW FM AM version 10kHz grid 530 1700kHz 3 For AM RF adjustments the original frame antenna has to be used 2 RC network ...

Page 22: ...9 1 9 1 CIRCUIT DIAGRAM CASSETTE BOARD www nostatech nl www nostatech com ...

Page 23: ...9 2 9 2 2 1 3 4 LAYOUT DIAGRAM CASSETTE BOARD COMPONENT SIDE COPPER SIDE www nostatech nl www nostatech com ...

Page 24: ...ght hand screw max output level left right WOW FLUTTER ADJUST AZIMUTH 3150Hz 2 0 4 DIN to 1 2 or LEFT RIGHT Inject 3mV signals 100Hz 250Hz 1kHz 10kHz 12 5kHz 1 2 or LEFT RIGHT Inject 1kHz 8 85mV 3 4 or via 3 4 or via 1 2 or LEFT RIGHT RECORD RECORD PLAY PLAY mV meter THD meter check check limits see fig 2 3 RECORDED CASSETTE RECORDED CASSETTE figure 1 f Hz level dB 8dB 6dB 12 5k 4k 250 80 8dB f Hz...

Page 25: ...10 1 10 1 CIRCUIT DIAGRAM CD BOARD PART 1 www nostatech nl www nostatech com ...

Page 26: ...10 2 10 2 CIRCUIT DIAGRAM CD BOARD PART 2 www nostatech nl www nostatech com ...

Page 27: ...7 F4 2848 G4 2849 F3 2850 G4 2853 E5 2860 E2 2861 G2 2862 H4 2863 E2 2864 E2 2865 G2 2866 G2 2869 G2 2870 E3 2871 D3 2872 D2 2873 D2 2874 D2 2875 D2 2878 E1 2879 D1 2880 D1 2881 D1 2882 D1 2883 C1 2884 C1 3801 E2 3802 F2 3803 F2 3804 E2 3805 E2 3806 F2 3807 E2 3808 E2 3809 D2 3810 D2 3811 D2 3812 D2 3813 F2 3814 E2 3815 E2 3816 F2 3817 F1 3818 F1 3819 F1 3821 E1 3822 E1 3823 E1 3824 C1 3825 C2 382...

Page 28: ...03 D5 104 113 D6 D7 114 D8 115 CVDD2 16 CVDD3 52 68 CVDD4 CVDD5 91 CVDD6 125 CVDD7 142 CVSS1 1 CVSS10 126 CVSS2 3 CVSS3 15 34 CVSS4 CVSS5 37 CVSS6 50 70 CVSS7 CVSS8 90 BDX0 59 74 BDX1 BDX2 60 BFSR0 43 36 BFSR1 44 BFSR2 BFSX0 53 73 BFSX1 BFSX2 54 31 BIO 77 CLKMD1 78 CLKMD2 79 CLKMD3 CLKOUT 94 CVDD1 12 A3 134 A4 136 A5 137 A6 138 A7 139 A8 140 A9 141 BCLKR0 41 BCLKR1 38 BCLKR2 42 BCLKX0 48 71 BCLKX1...

Page 29: ...B4 7460 B2 1451 B5 1455 A4 2450 C1 2451 B1 2452 C2 2453 B1 2454 B1 2455 D2 2457 A2 2461 D4 2463 A3 2464 D4 2465 D4 2466 A3 2467 B4 2468 B4 2469 B4 2472 D3 3450 C1 3451 B1 3454 D2 3465 C1 3467 A3 3468 A3 3469 C4 3470 D3 3471 C4 3473 C4 3474 A3 3475 C4 3476 C4 3477 B4 3479 A2 3480 C4 3481 C4 3484 B4 3490 A4 3494 A2 3496 A4 3499 C1 4450 A4 6451 D4 7451 B3 7456 D4 7458 D1 Side A Side B This assembly d...

Page 30: ...11 1 11 1 CIRCUIT DIAGRAM MAIN and POWER BOARD www nostatech nl www nostatech com ...

Page 31: ...11 2 11 2 LAYOUT DIAGRAM MAIN BOARD COMPONENT SIDE www nostatech nl www nostatech com ...

Page 32: ...11 3 11 3 LAYOUT DIAGRAM MAIN BOARD COPPER SIDE www nostatech nl www nostatech com ...

Page 33: ...11 4 11 4 LAYOUT DIAGRAM POWER BOARD www nostatech nl www nostatech com ...

Page 34: ...12 1 12 1 EXPLODED VIEW DIAGRAM 66 65 67 70 71 72 www nostatech nl www nostatech com ...

Page 35: ...SET PROGRAM 16 3103 309 05390 CD DA12T3 ASSY 17 9940 000 01393 CD TRAY 18 9940 000 01407 STABILIZER 19 9940 000 01406 BRACKET MAGNET CLAMPER 20 9940 000 01415 SPRING PLATE FOR CD DOOR 21 9940 000 01414 CD DOOR SPRING 22 9940 000 01392 CD DOOR 29 9940 000 01389 REAR CABINET 22 29 9940 000 01461 REAR CABINET 21 33 9940 000 01411 CD DOOR GEAR 35 9940 000 01396 CD DOOR LENS 37 9940 000 01391 FRONT PAN...

Page 36: ...000 01431 LW ANT COIL PINK 7MM 5110 2422 542 90071 FM FRONTEND FE450 G01 5111 2422 549 44023 AM IF 7MM 450KHZ 5112 4822 157 70302 AM IF F7MCS 12216N 5114 4822 157 70302 AM IF F7MCS 12216N 5115 9940 000 01428 IFT 7MM COIL LPF 5119 4822 157 11443 FM IF 10M7 5122 2422 549 44108 MW OSC COIL 5123 2422 549 44108 LW OSC COIL 5130 2422 549 43772 BOBBIN COIL WHITE 1 1 2T 5131 2422 549 43772 BOBBIN COIL WHI...

Page 37: ...701 9940 000 01441 LCD DISPLAY 81057TT H LED701 9940 000 01442 LED 5 25X2 9 RED LED702 9940 000 01443 LED 5 2X3 4 BLUE OVAL RS701 9322 155 82667 IR RECEIVER TSOP2236 CASSETTE BOARD 7720 9322 167 09668 IC SM AN17150ATA 5703 9940 000 01432 OSC COIL RED 7610 5322 209 11306 HEF4094BT 7786 9940 000 01433 TRANSISTOR FET J112 RECTIFIER BOARD AND MISCELLANEOUS D107 9965 000 19419 RETCTIFIER DIODE 1N5401 D...

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