Marantz 74 CD38/02B Service Manual Download Page 1 | Manualshive

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Summary of Contents for 74 CD38/02B

Page 1: ...3 11 WIRING DIAGRAM 24 12 CIRCUIT DIAGRAM and PRINTED BOARDS 12 1 POWER SUPPLY and TRANSFORMER CONNECTIONS 25 12 2 SERVO CIRCUIT DIAGRAM 26 12 3 DECODER CIRCUIT DIAGRAM 27 12 4 DAC CIRCUIT DIAGRAM 28...

Page 2: ...8988 PROFESStONAL CANADA TC ELECTRONICS CANADA LTD 540 FIRING AVE BAIE D URFE QUEBEC H9X 3T2 CANADA PHONE 514 457 4044 FAX 514 457 5524 rTHAILAND MRZ STANDARD CO LTD 746 750 WANGBURAPA BANGKOK 10200 T...

Page 3: ...ft right 3 0utput resistance 4 Load impedance range 5 0utput power 6 Slgnal to noise ratio 7 Dynamic range S Total harmonic distortion O Channel separation Dimensions and weight 1 Apparatus tray close...

Page 4: ...nsili con quali si lavora siano anche a questo potenziale Safety regulations require that the set be restored to its original condition and that parts which are identical with those specified be used...

Page 5: ...LS Audio signals disc Disc without errors SBC444 disc with DO errors black spots and fingerprints SBC444A Disc 65 min 1 kHz without no pause Max diameter disc 58 0 mm Torx screwdrivers Set straight Se...

Page 6: ...11 DISMANTLING INSTRUCTIONS OPEN EXPLODED VIEW ON PAGE 33 HAS1124 9345 PCS 60 674...

Page 7: ...SERVICE TEST PROGRAM 12 ERROR MESSAGES SLEDGE ERROR FOCUS ERROR RADIAL ERROR MOTOR ERROR EEP ER EEPOK KAS1120 9342 Pxxx PROGRAM OF MICROPROCESSOR XX VERSION OF PROGRAM PCS 60 675...

Page 8: ...CDM 12 1 start up diagram 13 Power up PCS 60 676...

Page 9: ...n RAD pin 4 connector 1052 After play starts at track 1 at time 0 00 Go to outer track and start again at time 0 00 after max 6 seconds Try search function When going from Pauze to play music has to r...

Page 10: ...Communication uP IC7000 SIDA activity pin 27 of IC7000 6 Focus output o k See fig 2 Measure with an 10k 3n3 low pass filter 7 Components o k Check components R3010 R3011 C2012 C2013 X tal 1000 2 7 Vo...

Page 11: ...16...

Page 12: ...tage at pin 9 of connector 1052 15mV 2 HF signal present VHFI R3048 900mV pp testpoint 65 3 Check HF ampiifier Sypply 5V Testpoint 17 1 4 1 9V DC VHFI DC 2 9 3 6V 4 V motor o k V motor 2V replace CDM...

Page 13: ...18...

Page 14: ...and 3 5 Communication uP IC7000 SIDA activity pin 27 of IC7000 6 Focus output o k See fig 2 Measure with an 10k 3n3 low pass filter 7 Components o k Check components R3010 R3011 C2012 C2013 X tal 1000...

Page 15: ...can be sure that the laser is severely damaged 1 Laser supply o k Voltage accross C2025 4 5V 2 Laser current o k Voltage accross R3022 150 450mV 3 Lens clean Visual control Check for dust grease Take...

Page 16: ...m solved 1 Stlll in focus focus o k Voltage at pin 9 of connector 1052 15mV 2 HF signal present VHFI R3048 900mV pp testpoint 65 3 Check HF amplifier Sypply 5V Testpoint 17 1 4 1 9V DC VHFI DC 2 9 3 6...

Page 17: ...pin 4 of connector 1052 5 Test siedge Power on invoke service mode 0 Move siedge out whith search forward key Siedge moves to init position after reieasing key Not o k if siedge doesn t move doesn t r...

Page 18: ......

Page 19: ...FAULTFINDING GUIDE 20 HAS1123 9345 PCS 60 683...

Page 20: ...NIC DISTORTION TRACKS 10 23 FILTER OUTPUT SEE TECHNICAL DATA SEE DRAWING ANALOG OUT RIGHT ANALOG OUT LEFT SIGNAL TO NOISE RATIO TRACK 1 REFERENCE LEVEL TRACK 49 FILTER OUTPUT SEE TECHNICAL DATA SEE DR...

Page 21: ...decoder input HFIN comparator signal input HFREF comparator common mode input lOL Left channel current output lOR Right channel current output IREF Reference current output ISLICE current feedback fro...

Page 22: ...PLIFIER EQUALIZER TDA1301 SERVO NRST SILD SICL 7K 7T hQh 8 46MHz 16 93MHz i DOBM CLK11 DATA WS BCK SAA7345 DECODER SIDA RAB SICL M0T01 RESET T NRST SILD SICL SIDA RAB MC68HC11ER20 MICROPROCESSOR RC5 h...

Page 23: ...SERVO DECODER HAS1161 9510 PCS 60 980...

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Page 26: ...1076 3 I VFTD CD36 46 STROKE VERSIONS MAINS VOLTAGE 02 220V 230V 05 07 240V 01 110V 127V 220V 240V 04 100V 06 117V 26 5V 10 2V VERSION MAINS VOLTAGE SERVICE CODE 02 220V 230V 4822 146 31337 05 240V 4...

Page 27: ......

Page 28: ...27 27 DECODER CIRCUIT DIAGRAM 1 2 3 20 3108 0321 1 B PCS 60 984...

Page 29: ......

Page 30: ...3 9019 B 4 9020 B 4 9021 C 4 9022 B 4 9023 B 4 9024 B 4 9025 B 4 9026 B 4 9027 B 4 9028 C 5 9029 C 4 9030 C 4 9031 C 5 9032 C 4 9033 D 4 9035 D 3 9036 B 4 9037 D 2 9039 D 4 9040 C 4 9041 C 2 9042 D 2...

Page 31: ...A 1 3007 C 2 2114 A 3 2064 D 1 2012 C 1 3725 D 3 3700 C 3 3116 B 4 3073 D 1 3051 A 1 3010 C 1 2115 A 3 2066 D 1 2013 C 1 3726 D 2 3701 D 4 3117 A 3 3074 B 1 3052 A 1 3011 C 1 2116 B 2 2067 C 1 2014 C...

Page 32: ...IRCUIT DIAGRAM 31 El El G1 HI HI HI 11 G1 G11 G11 F11 F11 F11 F11 Ell G10 G10 F10 F10 F10 F10 E10 B1 A1 B1 Cl D1 G12 G13 G14 G12 G13 G14 H12 H13 H14 H12 H13 F2 A10 H7 F4 F4 F2 G3 G3 G4 G4 15 H5 17 H7...

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Page 35: ...444 60816 COVER PLATE 96 97 98 99 4822 325 8051 1 ORNAMENTAL TULE 101 4822 444 50679 SLIDE 102 4822 358 31168 BELT 103 4822 691 30278 CDM12 1 MECHANISM 104 105 106 107 4822 325 50215 SUSPENSION 108 48...

Page 36: ...LINK QP40261557 14 4822 45411825 MARANTZ BADGE 185J251012 15 4822 450 62406 WINDOW ASSY QP45062406 65 4822 444 50738 TRAY FRONT ASSEMBLY QP44450738 151 4822 444 61045 COVER ASSY QP44461045 251 1 4822...

Page 37: ...01 0 4W QP05011002 2101 4822 122 33848 47PF 5 SL 50V QP12233848 3021 4822 116 83864 10K 5 0 5W QP1 1683864 2102 4822 126 11585 22NF 80 20 Y5V 25V QP12611585 A 3022 4822 052 10478 4R70 5 0 33W QP052104...

Page 38: ...044 4822 130 40959 BC547B QP1 3040959 7060 4822 209 72587 TCA0372DP2 QP20972587 7061 4822 209 72587 TCA0372DP2 QP20972587 7100 4822 209 33339 SAA7345GP S5 QP20933339 7280 4822 209 33164 TDA1545AT N2 Q...

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