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13-1

REVISION LIST

1.0 Manual 3141 785 31010

Initial Service Manual released.

1.1 Manual 3141 785 31011

In this version,
Page 12-2 Mechanical & Accessories Parts List is updated.

1.2 Manual 3141 785 31012

In this version,
Page 12-2 Mechanical & Accessories Parts List is updated.

Add:
WIRE1 9965 100 16944 5P DISCRETE WIRE
WIRE2 9965 100 16945 6P DISCRETE WIRE

Содержание MCM 760

Страница 1: ...on Micro System Version 1 1 CLASS 1 LASER PRODUCT 3141 785 31012 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 Connections Functional Overview 1 8 to 1 11 Troubleshooting 1 12 to 1 13 Disassembly Instructions Service positions 2 Service Test Program 3 Set Block Diagram 4 Set Wiring Diagram...

Страница 2: ...omponent Lever Repair M Module Lever Repair Used C 05 61 Feature diffrence RDS VOLTAGE SELECTOR ECO STANDBY DARK Type Versions DISPLAY BOARD TOP KEY BOARD TUNER BOARD CASS BOARD POWER BOARD MAIN BOARD 12 37 98 C C C C C C C C C C C C C C C C C C C C C C C C M M M M M MCM760 05 61 12 37 98 CD BOARD M M M M M ...

Страница 3: ...ed 1 1 Manual 3141 785 31011 In this version Page 12 2 Mechanical Accessories Parts List is updated 1 2 Manual 3141 785 31012 In this version Page 12 2 Mechanical Accessories Parts List is updated Add WIRE1 9965 100 16944 5P DISCRETE WIRE WIRE2 9965 100 16945 6P DISCRETE WIRE ...

Страница 4: ...Treble 12kHz 3 Steps Incredible Surround On Off Input sensitivity Aux in at 1kHz 500mV at 600 ohm CD Audio Disc1 6dB track Trk 35 Output sensitivity Headphone output at 32 ohm 15mW 2dB Max vol CASSETTE RECORDER Number of track 2 tracks stereo Tape speed 4 76 cm sec 2 Wow and flutter 0 4 DIN Fast wind Rewind time C60 130 sec Bias system 78kHz 10kHz Rec Pb frequency response within 8dB 80Hz 10kHz Si...

Страница 5: ...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 ...

Страница 6: ...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...

Страница 7: ...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...

Страница 8: ...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...

Страница 9: ...dg Vc djiYddg VciZccV 1 miZcY i Z l gZ VciZccV VcY i i id B 6CI CC6 Vh h dlc WZadl Note ndj VgZ jh c V XVWaZ VciZccV hnhiZb dg Vc djiYddg VciZccV i i Z VciZccV eaj chiZVY d i Z l gZ VciZccV id B 6CI CC6 1 chZgi i Z JH7 YZk XZ h JH7 eaj cid i Z hdX Zi dc B8B 8dccZXi c Vc VYY i dcVa Veea VcXZ 8dccZXi c V JH7 YZk XZ dg bZbdgn XVgY dg for the devices with USB cable V chZgi dcZ eaj d i Z JH7 XVWaZ cdi ...

Страница 10: ...l socket The type plate is located on the rear of the set ᄚ EgZeVgVi dc HZii c i Z XadX 6 iZg XdccZXi c B8B id i Z edlZg hjeean hZi i Z XadX ghi Dc i Z gZbdiZ Xdcigda egZhh VcY daY 9 HEA6N 8AD8 jci a i Z XadX i bZ hiVgih aVh c I Z Y heaVn h dlh i Z hZi i bZ 0 VeeZVgh Wn YZ Vjai ndj VkZ cdi hZi i Z XadX EgZhh EGD G6B gZeZViZYan id X Vc Z WZilZZc djg VcY djg XadX bdYZ EgZhh à dg á gZeZViZYan id hZi ...

Страница 11: ...tandby or Eco Power mode hl iX Zh i Z hZi dc VcY hZaZXih I6E hdjgXZ dg i Z VjY d ceji gdb Vc VYY i dcVa XdccZXiZY Veea VcXZ 7 IG 7A hZaZXih V YZh gZY IG 7A idcZ aZkZa 8 76HH hZaZXih V YZh gZY 76HH adl idcZ 9 n n n n n bb ZVYe dcZ hdX Zi Helpful hints 6Y_jhi i Z kdajbZ id V bdYZgViZ aZkZa WZ dgZ ndj eaj c i Z ZVYe dcZh 8dccZXi c ZVYe dcZh l aa hl iX d i Z heZV Zgh 0 DE C 8ADH ç deZch XadhZh i Z iVe...

Страница 12: ... Z hZi id 8D EDL G edlZg hVk c bdYZ 0 egZhh VcY daY id hl iX i Z hZi id hiVcYWn bdYZ 2 HdjgXZ Wjiidch 89 hZaZXih 89 hdjgXZ In standby or Eco Power mode hl iX Zh i Z hZi dc VcY hZaZXih 89 hdjgXZ IJC G hZaZXih IJC G hdjgXZ VcY id aZh WZilZZc i Z lVkZWVcYh B VcY BL In standby or Eco Power mode hl iX Zh i Z hZi dc VcY hZaZXih IJC G hdjgXZ I6E hZaZXih I6E hdjgXZ In standby or Eco Power mode hl iX Zh i ...

Страница 13: ... XZ cZZYh ZmigV edlZg hjeean Ⴌ i Z h cVa h idd lZV VY_jhi i Z VciZccV dg XdccZXi Vc ZmiZgcVa VciZccV dg WZiiZg gZXZei dc Ⴌ cXgZVhZ i Z Y hiVcXZ WZilZZc i Z B Xgd HnhiZb VcY ndjg IK dg K8G Ⴌ JhZ dcan CDGB6A 8 iVeZ Ⴌ 6eean V e ZXZ d VY Zh kZ iVeZ dkZg i Z b hh c iVW heVXZ Ⴌ GZbdkZ VcY gZXdccZXi i Z 68 edlZg eaj VcY hl iX dc i Z hnhiZb V V c Ⴌ GZbdkZ VcY gZXdccZXi i Z 68 edlZg eaj VcY hl iX dc i Z hn...

Страница 14: ...crews each on the left right side Detaching the Universal Loader from the Bracket Module Mounting Figure 1 Figure 3 Figure 5 7 e r u g i F 1 Remove 2 screws C see Figure 5 from the bottom of the Cabinet Front Detaching the Front Panel assembly from the Bottom Rear assembly 2 Release the fixation of the Main Board to Bracket Combi by removing the 1 screw and pulling the Main Board outwards see Figu...

Страница 15: ...et Main 6 Loosen 6 screws C4 see Figure 11 to remove the Display Board 7 Loosen 4 screws H see Figure 11 to remove the Top Key Board Dismantling of the Front Panel assembly Figure 9 Figure 8 Figure 10 Figure 12 Figure 11 1 Loosen 3 screws K and 2 catches C5 see Figure 12 to remove the Tuner Board assembly 2 Loosen 3 screws L see Figure 12 to free the Main Board 3 Loosen 1 screw M see Figure 12 to ...

Страница 16: ...d 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 2 3 2 3 ...

Страница 17: ...ows 12M Output at Display Board pin 19 of uP 2 929 6875Hz Display shows 32K Output at Display Board pin 19 of uP 2048Hz QUARTZ TEST TAPE Button pressed TAPE Button pressed 9 Button pressed TUNER Button pressed Disconnect Mains cord Y Y N N Y Display Tuner Version ccc Service frequencies are copied to the RAM see Table 1 Tuner works normally except PROGRAM button Service Mode left TUNER TEST TUNER ...

Страница 18: ...4 1 4 1 SET BLOCK DIAGRAM ...

Страница 19: ...SET WIRING DIAGRAM 5 1 5 1 ...

Страница 20: ...DISPLAY BOARD TABLE OF CONTENTS FTD Display Pin Connection 6 2 Display PCB Layout Top View 6 3 Display PCB Layout Bottom View 6 4 Circuit Diagram 6 5 Electrical Parts List 6 6 6 1 6 1 ...

Страница 21: ...6 2 6 2 FTD DISPLAY PIN CONNECTION ...

Страница 22: ...PCB LAYOUT DISPLAY BOARD TOP VIEW 6 3 6 3 ...

Страница 23: ...6 4 6 4 PCB LAYOUT DISPLAY BOARD BOTTOM VIEW ...

Страница 24: ...6 5 6 5 CIRCUIT DIAGRAM DISPLAY BOARD ...

Страница 25: ...212 9940 000 05678 LED 3MM SUPER BLUE LED213 9940 000 05678 LED 3MM SUPER BLUE SW201 9940 000 01627 TACT SWITCH AI KFC A06 5 SW202 9940 000 01627 TACT SWITCH AI KFC A06 5 SW203 9940 000 01627 TACT SWITCH AI KFC A06 5 SW204 9940 000 01627 TACT SWITCH AI KFC A06 5 SW205 9940 000 01627 TACT SWITCH AI KFC A06 5 SW206 9940 000 01627 TACT SWITCH AI KFC A06 5 SW207 9940 000 01627 TACT SWITCH AI KFC A06 5...

Страница 26: ... 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...

Страница 27: ...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...

Страница 28: ...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...

Страница 29: ...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 ...

Страница 30: ... B V Stab B V Stab A V Stab B 10 7 MHz 10 7 MHz 35 9 Vdd Vcc1 7 23 V Stab A V Stab B 38 34 22 Vcc2 8 ECO6 Systems Cenelec 140499 V Loop FM AM RF AM Osc FM IF 1 FM IF 2 LF filter MPX buffer ampl RDS MPX 5 RDS MPX stereo clock data enable Version 3 1120 AM IF 1 AM IF 2 AM AFC 1 8 AM Frontend 2 AM FRAME AERIAL B 1103 1101 1102 A FM AM FM Discriminator 10 7 MHz Vdd FM Vcc1 Vcc Vcc2 MW LW AM RF AM Osc ...

Страница 31: ...4 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 220p...

Страница 32: ...ce Testprogram By selecting the TUNER TEST test frequencies will be stored as preset frequencies automatically AM FRAME AERIAL FM 75Ω FM FRONTEND Birdy Filter ECO6 Sys Cenelec layout stage 8 200803 1101 B5 1102 B5 1103 C5 1110 B4 1120 A4 1130 A5 1131 C5 1132 A4 2106 B4 2107 B3 2128 A3 2129 B3 2133 C1 2138 B1 2144 B1 2162 A4 2191 B4 3142 C2 5102 C4 5103 C4 5109 B3 5110 A2 5111 A3 5112 A2 5114 A2 51...

Страница 33: ...6W 3131 3198 021 38210 820Ω 5 0 06W 3132 4822 051 20479 47Ω 5 0 1W 3134 4822 051 20223 22kΩ 5 0 1W 3135 3198 021 31020 1kΩ 5 0 06W 3137 4822 051 20223 22kΩ 5 0 1W LW only 3141 4822 117 11148 56kΩ 1 0 1W 3142 4822 100 12159 TRIMPOT 100kΩ 3143 4822 051 20223 22kΩ 5 0 1W RDS only 3144 4822 051 10102 1kΩ 2 0 25W RDS only 3145 4822 117 11449 2 2kΩ 1 0 1W 3146 4822 051 20229 22Ω 5 0 1W 3150 4822 117 108...

Страница 34: ...st 8 4 8 1 8 1 AC SOCKET PCB CIRCUIT DIAGRAM LAYOUT Brief introduction of the Mains Board ECO Power Standby Transformer 5203 provides the LPS supply to control the relay 1210 cutting of the Mains supply to the Mains transformer during the ECO Power standby mode The Mains transformer provides the following 5V6_ECO for Low Power Supply A A 2 and B to the Combi board ...

Страница 35: ...8 2 PCB LAYOUT POWER BOARD 8 2 ...

Страница 36: ...8 3 8 3 CIRCUIT DIAGRAM POWER BOARD ...

Страница 37: ...L PARTS LIST POWER BOARD L501 9940 000 02657 AC LINE FILTER 3MH 1A Q501 9940 000 05651 TRANSISTOR PBSS4140S NPN RL501 9940 000 05597 RELAY DC5V AC10A Note Only these parts mentioned in the list are normal service parts ...

Страница 38: ... Circuit Diagram 9 4 9 1 9 1 The board is not intented to be repaired on component level Circuit Diagram and Printed Circuit Board drawings are published for orientation only In case of defects please replace the entire board The board can be ordered with codenumber 9940 000 05592 for 37 9940 000 05684 for 05 12 61 ...

Страница 39: ...PCB LAYOUT CASSETTE BOARD TOP VIEW 9 2 9 2 ...

Страница 40: ...9 3 9 3 PCB LAYOUT CASSETTE BOARD BOTTOM VIEW ...

Страница 41: ...9 4 9 4 CIRCUIT DIAGRAM DISPLAY BOARD ...

Страница 42: ...am Part2 10 4 10 1 10 1 The board is not intented to be repaired on component level Circuit Diagram and Printed Circuit Board drawings are published for orientation only In case of defects please replace the entire board The board can be ordered with codenumber 9940 000 05584 for 37 9940 000 05685 for 05 12 61 ...

Страница 43: ...PCB LAYOUT CD BOARD TOP VIEW 10 2 10 2 ...

Страница 44: ...10 3 10 3 CIRCUIT DIAGRAM CD BOARD PART1 ...

Страница 45: ...10 4 10 4 CIRCUIT DIAGRAM CD BOARD PART2 ...

Страница 46: ...D BOTTOM VIEW ONLY FOR ORIENTATION CIRCUIT DIAGRAM TOP KEY BOARD ONLY FOR ORIENTATION PCB LAYOUT TOP KEY BOARD TOP VIEW ONLY FOR ORIENTATION Top Key Board is not intented to be repaired on component level Circuit Diagram and Printed Circuit Board drawings are published for orientation only In case of defects please replace the entire board The board can be ordered with codenumber 9940 000 05579 fo...

Страница 47: ...PCB LAYOUT MAIN BOARD TOP VIEW 11 2 11 2 ...

Страница 48: ...11 3 11 3 PCB LAYOUT DISPLAY BOARD BOTTOM VIEW ...

Страница 49: ...11 4 11 4 CIRCUIT DIAGRAM MAIN BOARD ...

Страница 50: ...0T Q609 9940 000 05653 TRANSISTOR PBSS4140T Q610 9940 000 05653 TRANSISTOR PBSS4140T Q612 9940 000 05652 TRANSISTOR PBSS5140S Q613 9940 000 05649 TRANSISTOR DTA114YSA PNP Q617 9940 000 05651 TRANSISTOR PBSS4140S NPN Q619 9940 000 05652 TRANSISTOR PBSS5140S Q620 9940 000 05651 TRANSISTOR PBSS4140S NPN Q621 9940 000 05649 TRANSISTOR DTA114YSA PNP Q623 9940 000 05651 TRANSISTOR PBSS4140S NPN Q701 996...

Страница 51: ...12 1 12 1 SET MECHANICAL EXPLODED VIEW ...

Страница 52: ...15 BRACKET POWER FUNC BUTT 23 9940 000 01661 RING CD FUNCTION BUTTON 24 9940 000 05619 BUTTON CD FUNCTION 29 9940 000 05606 CASS DECK MECHANISM 31 9940 000 05642 SPRING CASSETTE DOOR 32 9940 000 01664 DAMPER GEAR ASSEMBLY 33 9940 000 05312 CATCH ASSEMBLY 34 9940 000 05617 BUTTON SOURCE 35 9940 000 05618 BRACKET SOURCE BUTTON 53 9940 000 05693 CABINET REAR 54 9940 000 05633 TRAY CD 58 9940 000 0558...

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