MRD-M501
SERVICE MANUAL
MONO POWER AMPLIFIER
2 / 04-A68E36267S01
Page 1: ...MRD M501 SERVICE MANUAL MONO POWER AMPLIFIER 2 04 A 68E36267S01 ...
Page 2: ...cuit resulting in a fire battery An incorrect battery or an improperly connected or seated battery may result in a fire High Temperature Caution Designated Parts Caution Touching the heat sink may cause severe burns Look up the part list and ensure that only designated parts are used to prevent problems or accidents Reverse Power Supply Connections or Wiring Caution Misconnections Caution Ensure t...
Page 3: ...5 Block Diagram 6 Parts Layout on P W Boards and Wiring Diagram 7 8 Schematic Diagram 9 10 Terminal Voltage of IC TR 11 to 13 Description of IC Terminal 14 Exploded View Cabinet 15 NOTE Due to continuing product improvement specifications and designs are subject to change without notice ...
Page 4: ...190K18 OWNERS MANUAL GE 101 4 47E22594S01 WRENCH 2 5mmX2 9mm 1 102 1 68 00346Z15 OWNERS MANUAL EU 101 5 01E28659S01 WRENCH 2mmX2 3mm 1 102 2 68P04190K19 OWNERS MANUAL I G S NOTE 1 For North American Model Only 1 For European Model Only 1 For Chinese Model Only Others Common Packing Method View Description No No Symbol Symbol Description MRD M501 102 1 101 5 101 4 101 6 101 2 101 1 101 3 102 2 1 NO...
Page 5: ... 4ohm Output RCA Input Level 0 5 8V Gain Position 6dB 1V 2dB RCA Input Level 0 1 2V Gain Position 18dB 0 9V 2dB Remote on Voltage 1W Output 6 5 1V Current Drain No Signal 1 5A 9 T H D 2ohm Load 80A Remote Current Drain 0 26 0 1mA Back Up Current Drain 1 2mA Pre Out Level at 1V Input 1V 2dB Fuse Requirement 30A Peak x 2 For Battery Line Power Source DC14 4V 11 16V Dimensions W x H x D 348 x 65 x 27...
Page 6: ...L ANALOG 9V ANALOG 5V DIGITAL 5V DISPLAY 8V BAT_DET u COM 5V u COM RESET VFD Filament Vol Supply VFD MODULE AND GATE H L MODE SW POWER 25V 25V ANALOG 15V 15V E VOL DIN301 PRE OUT INPUT JK101 INPUT BUFFER TML501 ISOLATOR LC Filter LC Filter JK101 Protection circuit Over current low 2nd volt TET thermal 5v Reg IC TML101 EEPROM BATTERY REMOTE GND ...
Page 7: ... 1k 1 4 TP285 TP286 TP165 R352 1k 1 4 R345 10k R331 47k R372 10k R370 10k R351 10k R349 N U TP280 TP282 TP281 TP163 CL301 CSTCR7M70 C300 0 1 TP109 R157 330 R155 1k E124 3 3 50 B P D106 1PS226 C118 1000p CH C117 1000p CH R124 100k R123 100k C146 0 01 C145 0 01 E135 N U E134 N U R125 1 1k R126 1 1k R122 1 1k TP115 R166 N U TP116 TP117 TP121 TP122 R103 22k R104 22k R105 22k R109 22k R110 22k R112 22k...
Page 8: ...701 HZS9C1L ZD702 HZS9C1L R704 22k R708 22k D702 1SS133 Q702 DTC144EK Q705 2SC2412K E623 100 16 C623 0 01 AN77L09M IC610 Z601 BK2125HS601 Z602 BK2125HS601 R656 12k R655 12k E632 2 2 50 E631 2 2 50 Q618 2SC3421 C609 ZD606 HZS16 1L ZD605 HZS16 1L E607 330 25 E614 330 25 R658 1M R657 1M Q617 2SA1358 C608 1000p C615 1000p E627 8200 35 E628 8200 35 TP190 T604 TRANS EER40 D602 RF2001T2D TP187 TH601 100k...
Page 9: ... 077 69 2 518 6 NC 22 NC 38 2 86m 54 5 077 70 2 527 7 3 45m 23 2 399 39 24 5 55 19 21m 71 2 527 8 814 8m 24 3 46m 40 1 777 56 NC 72 2 527 9 814 8m 25 797m 41 2 558 57 18 7m 73 NC 10 NC 26 797m 42 NC 58 5 065 74 3 44m 11 682 2m 27 618 8m 43 2 86m 59 2 87m 75 NC 12 NC 28 5 066 44 NC 60 2 87m 76 2 521 13 3 46m 29 NC 45 2 84m 61 2 87m 77 NC 14 690 9m 30 628 4m 46 2 8m 62 NC 78 5 066 15 819 7m 31 NC 47...
Page 10: ... 4 17m 2 2 679 10 2 357 3 4 26m 10 4 17m 3 5 067 11 5 067 4 5 073 11 5 077 4 2 679 12 5 067 5 4 17m 12 4 28m 5 1 578 13 4 33m 6 4 17m 13 4 26m 6 4 34m 14 5 067 7 4 17m 14 5 078 7 4 33m 15 5 045 8 5 064 16 5 067 1 NC 14 28 41 27 28 35 40 4 889 53 3 86m 2 NC 15 NC 28 2 77m 41 4 26m 54 2 447 3 NC 16 NC 29 4 889 42 26 51 55 5 077 4 24 32 17 24 82 30 4 889 43 4 27m 56 5 078 5 24 81 18 24 33 31 NC 44 4 ...
Page 11: ... 245 1m 14 394 4m Q504 24 82 131 5m 28 44 Q610 250m 14 394 4m Q505 24 82 223 4m 28 44 Q612 242m 14 394 4m Q506 24 82 223 6m 28 44 Q614 243 4m 14 394 4m E B C E B C Q301 12 532 12 415 12 441 Q611 4 988 5 039 199 3m Q302 4 1m 5 064 50 59m Q617 15 138 15 732 28 33 Q303 4 93m 4 03m 5 074 Q618 15 189 15 813 28 44 Q601 14 41 462 8m 14 397 Q701 3 84m 11 68m 703 5m Q602 3 95m 4 996 86 33m Q702 3 84m 28 72...
Page 12: ...T terminal 24 NC PULL DOWN Pull down connect terminal 25 OUT_THRM I Output Thermal detect1 26 AD_KEY I KEY level input terminal 27 AD_BASS I Gain level input terminal Bass Knob 28 AD_VOLT I Voltage signal input terminal 29 AD_CURR I Current signal input terminal 30 AD_THRM I Temperature signal input terminal 31 AD_THRM_DET I Temperature detect input terminal 32 AD_COMBASS O Gain level input termin...
Page 13: ...E S E G J H D 12 12 2 1 20 45 19 31 30 29 35 34 33 32 13 39 23 26 25 8 B A X4 15 X7 13 11 5 X2 15 X5 16 X11 10 X11 18 C C A B 14 X4 4 6 7 9 12 X3 X3 X4 X2 17 12 12 12 40 41 41 41 40 40 42 13 3 TML501 DIN301 F601 F602 TML101 38 S 12 12 X2 6 28 MRD M501 21 21 Exploded View Cabinet ...
Page 14: ...MCS 222 J RD C136 08E20992S01 CAP TF AMCS 222 J RD C137 08E20992S01 CAP TF AMCS 222 J RD C138 08E20992S01 CAP TF AMCS 222 J RD C139 08E20992S01 CAP TF AMCS 222 J RD C140 08E33110S01 CAP CER 102 K B1H CP C141 08E33110S01 CAP CER 102 K B1H CP C142 08E33110S01 CAP CER 102 K B1H CP C143 08E28771S01 CAP CER 103 K B1H CP C144 08E28771S01 CAP CER 103 K B1H CP C145 08E28771S01 CAP CER 103 K B1H CP C146 08...
Page 15: ...3 K B1H CP C336 08E31820S01 CAP CER 104 K B1E CP C337 08E28771S01 CAP CER 103 K B1H CP C338 08E33659S01 CAP CER 221 J CH1H CP C339 08E28771S01 CAP CER 103 K B1H CP C340 08E28771S01 CAP CER 103 K B1H CP C375 08E33660S01 CAP CER 102 J CHIH C376 08E32056S01 CAP CER 101 J CH1H CP C377 08E31820S01 CAP CER 104 K B1E CP C378 08E31820S01 CAP CER 104 K B1E CP C379 08E31820S01 CAP CER 104 K B1E CP C380 08E3...
Page 16: ...102 K B1H CP C583 08E33110S01 CAP CER 102 K B1H CP C592 08S45539Y01 CAP CER 102KX7R2J CP C593 08S45539Y01 CAP CER 102KX7R2J CP C602 08E31170S01 CAP CER 223 K B1H CP C603 08E28771S01 CAP CER 103 K B1H CP C604 08E28771S01 CAP CER 103 K B1H CP C605 08E28771S01 CAP CER 103 K B1H CP C607 08S45539Y01 CAP CER 102KX7R2J CP C608 08E33110S01 CAP CER 102 K B1H CP C609 08E33110S01 CAP CER 102 K B1H CP C610 08...
Page 17: ...E 3R3 1H BP R5 E123 23T45174W18 CAP SME 3R3 1H BP R5 E124 23T45174W18 CAP SME 3R3 1H BP R5 E129 23E33351S01 CAP ELEC SHL 22 50 M RD E130 23E33351S01 CAP ELEC SHL 22 50 M RD E201 23E33351S01 CAP ELEC SHL 22 50 M RD E203 23E33400S01 CAP ELEC SHL 47 16 M RD E204 23E33400S01 CAP ELEC SHL 47 16 M RD E205 23E33400S01 CAP ELEC SHL 47 16 M RD E206 23E33400S01 CAP ELEC SHL 47 16 M RD E207 23E33400S01 CAP E...
Page 18: ...TE2 IC107 51E35166S01 IC NJM2100V TE2 IC201 51T45654Y03 TC94A04AFD 016 IC301 53 00294Z54 IC TMP86PM47U XXX QT IC302 51T65016Y30 IC S 80942 CNMC T2 CP IC303 51E35180S01 IC MC24C01 WMN6T SE2 IC304 51T55129Y01 LM20BIM7 CP IC305 51E33393S01 IC NJMOP 07M TE3 IC306 51T15191Y01 TC74VHC08FT IC307 51E35470S01 BA00BC0WFP E2 IC308 51E36226S01 IC NJM2360AM TE1 IC309 51T15191Y01 TC74VHC08FT IC310 51T15731W05 I...
Page 19: ...49Y01 RES CF 223 B 1 16 CP R117 06E31174S01 RES CF 332 J 1 16 CP R118 06E31174S01 RES CF 332 J 1 16 CP R119 06E32291S01 RES CF 104 F 1 16 CP R120 06E32291S01 RES CF 104 F 1 16 CP R121 06E31150S01 RES CF 112 J 1 16 CP R122 06E31150S01 RES CF 112 J 1 16 CP R123 06E32291S01 RES CF 104 F 1 16 CP R124 06E32291S01 RES CF 104 F 1 16 CP R125 06E31150S01 RES CF 112 J 1 16 CP R126 06E31150S01 RES CF 112 J 1...
Page 20: ...2 J 1 16 CP R336 06E28537S01 RES CF 104 J 1 16 CP R339 06E22074S01 RES CF 102 J 1 4 CP R345 06E28534S01 RES CF 103 J 1 16 CP R346 06E28534S01 RES CF 103 J 1 16 CP R347 06E28537S01 RES CF 104 J 1 16 CP R348 06E28537S01 RES CF 104 J 1 16 CP R350 06E28534S01 RES CF 103 J 1 16 CP R351 06E28534S01 RES CF 103 J 1 16 CP R352 06E22074S01 RES CF 102 J 1 4 CP R353 06E20547S01 RES CF 561 J 1 4 CP R354 06E285...
Page 21: ...546 06E33235S01 RES CF 102 F 1 16 CP R547 06E22114S01 RES CF 27R J 1 4 CP R548 06E35127S01 RES CF 472 F 1 4 CP R550 06E20545S01 RES CF 33R J 1 4 CP R554 06E28624S01 RES CF 0R0 J 1 16 CP R555 06E33314S01 RES RW 0 01R J 5W R557 06E31148S01 RES CF 101 J 1 16 CP R562 06E28624S01 RES CF 0R0 J 1 16 CP R563 06E27916S01 RES CF 12R J 1 4 CP R564 06E27916S01 RES CF 12R J 1 4 CP R565 06E27916S01 RES CF 12R J...
Page 22: ... 1 16 CP R701 06E28534S01 RES CF 103 J 1 16 CP R702 06E28534S01 RES CF 103 J 1 16 CP R703 06E28534S01 RES CF 103 J 1 16 CP R704 06E28535S01 RES CF 223 J 1 16 CP R705 06E31160S01 RES CF 473 J 1 16 CP R706 06E28535S01 RES CF 223 J 1 16 CP R708 06E28535S01 RES CF 223 J 1 16 CP R709 06E31160S01 RES CF 473 J 1 16 CP R711 06E23859S01 RES CF 391 J 1 4 CP R712 06E28534S01 RES CF 103 J 1 16 CP R901 06E2853...
Page 23: ...EMI BK1608HM102 CP Z323 91T15509Y08 EMI BK1608HM102 CP Z324 91T15509Y08 EMI BK1608HM102 CP Z325 91T15509Y08 EMI BK1608HM102 CP Z330 91T15509Y08 EMI BK1608HM102 CP Z331 91T15509Y08 EMI BK1608HM102 CP Z501 91T65112W04 EMI BK2125 HS601 CP Z502 91T65112W04 EMI BK2125 HS601 CP Z601 91T65112W04 EMI BK2125 HS601 CP Z602 91T65112W04 EMI BK2125 HS601 CP ZD301 48T25801W11 DIO ZEN HZS 5BLL R5 ZD601 48T25766W...
Page 24: ... 14 03E36208S01 WRENCH BOLT M3X12 WHT 15 03E36209S01 SCR M3X18 S W TPG TPT BLK 16 03E36210S01 SCR M3X10 SW TPG TPT WHT 17 15E11445S01 COVER S W 18 SUPPORT PCB 19 TC 600HS1 4 15 15 20 75E36243S01 SILPAD 135X20 5 21 BAR H SINK A 22 15E36211S01 COVER SHAFT 23 15E36212S01 COVER HINGE 24 SHAFT HINGE 25 HINGE ASS Y 26 COVER OPEN B 27 SCALE PLATE B 28 01E36251S01 ASS Y VFD MODUL PWB 29 HOLDER VFD 30 FL C...
