Alpine MRP-M-350 Service Manual

MRP-M350 SERVICE MANUAL MONO POWER AMPLIFIER MONO POWER AMPLIFIER MRP-M350 2 / 03-A 68E35049S01

<Cautions for Safe Repair Work> The following cautions will prevent accidents in the workplace and will ensure safe products. *The symbols indicate caution is needed to prevent injuries and damage to property. The symbols and their meanings follow. *The following symbols indicate two levels of cautions. When you see this symbol, you have to be very careful. When you see this symbol, you have to follow the instructions there. Do not look squarely into the laser light Fuse Caution coming from the pickup. Always use a designated fuse. You may loose you sight. Use of an incorrect fuse may result in a fire. Do not allow wiring to be caught in the Battery Caution screw/chassis. Use the designated battery. If wiring is caught in the screw/chassis, it may Confirm the correct polarity and seat of the cause a short circuit, 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 that the wiring is correct when rewiring to Reverse power supply connections or prevent problems with ignition/breakdown. misconnections may cause ignition problems and smoke may result. Soldering Caution Wear Gloves Hot solder from solder splash may cause severe Wear gloves to prevent electrical shocks or injury burns. from the end face of the metal. If you ignore this symbol and handle the product incorrectly or unsafely, injury or only material damage may result. If you ignore this symbol and handle the product incorrectly or unsafely, serious injury or death may result. Warning Caution Warning Caution

Contents Packing Assembly Parts List Packing Method View Specifications Block Diagram Parts Layout on P.W.Boards and Wiring Schematic Diagram Terminal Voltage of IC/ TR Description of IC Terminal Exploded View (Cabinet) NOTE : Due to continuing product improvement, specifications and designs are subject to change without notice.

103 102 101 105 104 107 106 R Packing Assembly Parts List Part No. Part No. 101 03E34961S01 SCR,M4X20 TPG1(BLK) 106 01E11136S01 ASS'Y KIT SP-IN WIRE 102 03E34955S01 SCR,M3X10(B)MCH(BLK) #1 107 68P02294K63 OWNER'S MANUAL 103 15E34956S01 COVER,RCA $1 107-1 68P02294K74 OWNER'S MANUAL(GE) 104 75E27927S01 HOUSING RUBBER-D $1 107-2 68P02294K75 OWNER'S MANUAL(I,G,S) 105 75E22439S01 HOUSING RUBBER-B NOTE : #1 : For North American Model Only, $1 : For General Foreign Model Only, Others : Common. Packing Method View Symbol Description No. Symbol Description No.

Specifications T.H.D. (100Hz, 14.4V) ............................................................................................ 100W/ch, 4ohm-1channel : 1.0% 200W/ch, 2ohm-1channel : 1.0% Power Output (1.0% T.H.D., 14.4V, 20Hz to 100Hz) .......................................................... 4ohm-1channel : 160W 2ohm-1channel : 320W S/N Ratio (Ref. Output 175W/4ohm, Input shorted) ............................................................................................ 94dB Input Sensitivity (175W/4ohm Output) ......................................................... SP-INPUT : GAIN-VR (MIN) : 8.0V±3dB RCA-INPUT : GAIN-VR (MAX) : 0.18V±3dB RCA-INPUT : GAIN-VR (MIN) : 4.0V±3dB Input Impedance ............................................................................................................ SP-INPUT : 35.9k ohm±10% RCA-INPUT : 18.3k ohm±10% Frequency Response (0dB, Ref. 100Hz) ........................................................................................... 20Hz : -1.0±1dB 205Hz : -3.0±2.5dB Current Drain ..................................................................................................................................... No Signal : 1.5A 2ohm-1channel, 10% T.H.D. : 62A Residual Noise (Input Shorted, 4ohm-1channel) ............................................................................................... 30mV Remote on Voltage (1W Output) ............................................................................................................ 6.5 +1, -1.5V Remote Current Drain ............................................................................................................................. 0.27± 0.1mA Back Up Current Drain ...................................................................................................................................... 1.5mA Fuse Requirement ............................................................................................................... 20A x2 (For Battery Line) Power Source ............................................................................................................................. DC14.4V (11 to 16V) Dimensions (W x H x D) ................................................................................................................. 233 x 60 x 242mm Weight ............................................................................................................................................................... 2.42kg NOTE : Due to Continuing product improvement, specifications and designs are subject to change without notice.

Block Diagram LINE CHOKE MUTE DRIVER u-COM +5V LED PWM IC PWM FEEDBAC PROTECTION DRIVE MAIN POWER FET RECTIFIER AND RECULATOR +15V/-15V REGULATOR Thermal senser INPUT ISO. GAIN VOLUME REVERSE BUFFER PWM OUTPUT DRIVE SENSOR SENSOR FET OUTPUT STAGE u-COM Protection senser L.P.F JK101 (INPUT) INPUT ISO. SENSOR DC OFFSET Over Current Protect over temperature Protect JK101 (INPUT) BASS EQ CH 1(+) CH 1 CB101 (SPEAKER LEVEL INPUT) CH 1(-) CH 1 CH 2 TML301 (SPEAKER OUTPUT) DC OFFSET over load Thermal(trans) Thermal(Power TR) CH 2 +15V -15V GND TML601 (POWER SUPPLY) BATTERY REMOTE Power trans GND

R146 27k R142 1.5k R161 5.1k C010 N.U. R183 15k C181 47p VR103 20kE VR103 20kE IC104 NJM4560M NJM4560M IC105 TP134 R134 100k C132 1000p R152 22k C131 1000p C808 N.U. C101 47p C151 0.1 (MMTS) R103 15kF R109 5.6k N.U. R153 C811 N.U. IC101 NJM4560M IC102 NJM4560M R133 100k TP233 TP235 TP236 TP201 TP202 TP203 R203 15kF TP234 C231 1000p R233 100k C232 1000p C201 47p C141 33p C810 N.U. R209 5.6k E 815 1/50 E816 1/50 E151 0.47/50 R163 100 TP141 R145 220k C809 N.U. R234 100k IC200 NJM4560M NJM4560M IC100 TP135 TP136 TP102 TP103 TP101 R132 1k TP132 TP133 R135 0 C103 N.U. C153 N.U. C152 0.1 C102 47p TP137 TP140 R235 0 0 R136 R131 1K R231 1K R102 15kF R101 15kF R104 15kF TP231 TP232 R232 1k R236 0 C203 N.U. C202 47p 15kF R202 15kF R204 R201 15kF R151 56k R166 150k 0.022 C161 E161 2.2/50 R162 5.1k VR102 5kE TP164 TP165 C162 10p IC103 NJM4560M E817 1/50 R173 5.6k C173 0.33 R174 5.6k R164 5.1k C163 N.U. C164 N.U. C812 N.U. C814 N.U. C174 0.056 C813 N.U. VR103 20kE VR103 20kE R186 N.U. R175 27k R195 5.6k TP171 E818 1/50 C171 0.12 R172 5.6k R171 5.6k R165 1.5k C142 10p C143 N.U. R143 910 VR101 50kA TP143 TP160 TP161 TP183 TP173 TP170 FG C183 N.U. R184 15k R181 5.6k R528 10k R530 10k C514 0.1 C510 0.1 TH531 22k C521 6800p C522 0.1 C526 0.01 E508 100/10 C508 0.1 E503 100/10 R521 10k R520 10k R519 10k R518 10k TP535 TP539 TP544 TP501 C500 0.1 R532 10k R531 10k R508 10k R522 10k R506 10k R505 10k R533 10k R504 10k R503 10k R502 10k R501 10k TP502 TP503 TP504 TP515 TP506 TP507 R661 1.8k–1/4 R662 1.8k–1/4 R663 1.8k–1/4 R666 15k 2SC2412K Q663 R664 1.8k–1/4 E661 330/25 TP508 TP664 TP663 R665 5.6k TP509 TP510 TP511 TP543 TP542 TP541 TP538 TP537 TP536 TP534 R185 15k TP180 TP184 TP181 TP591 TP592 10k R592 Q592 KTC2874 Q593 FMC2 TP182 C184 N.U. C172 0.15 C175 N.U. C176 N.U. C182 47p TP593 10k R517 IC501 TCP87P47U R516 10k 10k R513 IC521 S–80942CNMC R571 2.2kF TP514 TP608 TP521 TP520 TP522 FG C504 0.1 C505 0.1 C016 1000p D002 1SS133 D001 1SS133 C506 0.1 C507 0.1 E507 100/10 CL501 7.7MHz Q664 2SB1243 TP223 TP197 TP196 TP294 TP224 TP291 TP124 TP123 R105 22k R205 22k CB101 TERM HOU 5569–4A1 JK101 RCA JACK 2P C222 1000p C221 1000p C122 1000p C121 1000p Z104 BX1608HM102 Z103 BX1608HM102 Z101 BX1608HM102 Z201 BX1608HM102 Z202 BX1608HM102 Z203 BX1608HM102 Z204 BX1608HM102 Z102 BX1608HM102 R107 11k R803 330 R207 11k R206 11k R106 11k R804 330 TP193 TP293 E101 10/50 E201 10/50 E202 10/50 E102 10/50 L601 CHOKE F101 C023 100p C021 0.01 C601 0.01 C022 0.01 C024 100p TML601 FUSE TERMINAL 3P D601 11ES2 R670 30k–1/4 ZD671 HZS6A1L GND Q671 2SB1238 Q672 2SC2412K TP672 R672 47k R566 2.4k–1/4 R542 1.2kF R543 N.U. C541 0.01 ZD541 HZS5BLL E641 330/25 E642 47/25 IC602 NJM78L05A R565 2.4k–1/4 TP565 R526 56kF R525 39kF ZD521 HZS15–2L C524 0.01 C523 0.027 C565 1000p C671 1000p R671 30k LD565 2012 (BLUE) IC522 S–80943CNMC R673 3k–1/4 R524 4.7k–1/4 R541 3.9kF D521 1SS133 TP525 TP580 R527 10k R523 4.7k D602 11ES2 TP512 TP532 TP531 TP505 TP529 TP528 TP524 TP523 TP527 TP618 TP607 TP606 TP612 TP617 TP562 TP561 TP613 TP614 TP615 TP616 TP604 R609 220–1W R610 220–1W C007 0.1 R611 18kF R603 220–1W R608 10–1/4 C612 2200p R562 0 R614 24k R613 240kF C604 2200p C603 2200p R604 220–1W E602 47/25 E603 47/25 C513 0.1 R561 4.7k R617 240k R612 10kF E601 100/25 Q604 IRFZ44N IC601 uPC494GS C611 1200p Z604 BK2125HS601 Q561 DTA124EK Q602 IRFZ44N R602 33–1/4 R623 33–1/4 Q601 IRFZ44N Q603 IRFZ44N R606 10–1/4 R605 10–1/4 R607 10–1/4 33–1/4 33–1/4 R622 E6002 R601 1000/25 R507 1.2kF R653 10k Q584 DTC114YK Q582 DTC124EK TP549 TP545 Q581 DTC124EK D583 1SS133 D581 DAN202K R585 10k R586 10k TP571 TP586 TP546 TP381 R584 47k ZD562 HZS9C1L D301 1SS133 TP350 TP351 R559 10k R325 1.2k R324 33k C321 120p R322 2.7kF R424 33k C552 0.1 R558 47k R801 100–1/4 C802 2200p R807 100–1/4 R802 100–1/4 100–1/4 R808 TP813 C801 2200p C803 0.015 C804 0.015 E801 2700/35 E802 2700/35 C816 1000p C823 1000p R809 1M R810 1M E813 220/16 220/16 E814 C824 1000p C015 1000p C817 1000p R555 4.7k IC551 NJM4560M Q551 2SC2412K IC605 NJM7815FA BK2125HS601 Z602 IC606 NJM7915FA Z603 BK2125HS601 D801 FFPF15U20DN D802 FFPF15U20DP R422 2.7kF R421 120kF R423 10k C421 120p E551 N.U. C551 0.1 R557 4.7k R553 39kF R326 10k ZD561 HZS9C1L IC302 NJM2903M DAN202K D551 ZD551 HZS7B2LRX TP451 TP553 TP556 TP555 TP808 TP809 TP807 TP810 TP811 TP487 TP450 TP557 TP803 TP603 E6001 1000/25 E6005 1000/25 1000/25 E6003 1000/25 E6004 TP812 TH801 22k TP806 T801 EI (4T/8T) R554 10kF R556 10kF R323 10k R321 120kF R576 5.6kF–1/4 R575 820–F R572 820–F R574 820–F R615 8.2kF R621 82kF R616 8.2kF R618 8.2kF R573 3.3kF C511 0.01 C512 0.1 R578 3.3kF TH571 100k TH572 100k TP578 TP573 0.1 C503 D571 DAN202K D572 1SS133 R529 10k 10k R514 TP533 R511 10k TP336 TP338 TP340 TP342 TP345 TP346 TP352 R354 10k R003 0 R192 10k R013 N.U. E183 10/16 (B.P) R358 10k 0.1 C357 0.22 C360 R193 10k E186 10/16 E184 10/16 E185 10/16 R190 820 R191 820 E331 1/50 E362 1/50 E361 1/50 R331 100–1/4 C532 0.1 C509 0.1 R509 470k R510 470k TP353 TP354 TP357 TP358 TP360 TP361 TP363 TP364 R417 4.7kF–1/4 TP427 C367 N.U. C351 0.1 C354 0.1 C366 0.1 IC301 TDA7570 R418 1kF C413 2700p R427 2.2k TP355 TP356 TP332 TP331 TP328 TP325 TP323 TP324 TP322 TP321 TP315 TP318 TP317 R359 2.2 R317 4.7kF–1/4 C359 0.1 C353 0.1 TP327 C313 2700p R327 2.2k R318 1kF C361 0.1 C807 0.33 R360 N.U. R306 100 R333 N.U. R316 27–1/4 R314 56 TP320 TP319 C306 1000p L303 0 Q302 IRFZ44N Q301 IRF5305 L402 0 L403 0 R414 56 R433 N.U. C404 0.33 R320 100k R319 100k R419 100k R420 100k R315 22–1/4 R332 N.U. R305 100 R405 100 R406 100 L302 0 E301 10/100 C356 0.1 C355 0.1 C352 0.1 TP313 TP308 TP304 TP305 TP805 TP419 C805 0.1 C806 0.1 E401 10/100 R403 0.01–5W R404 0.01–5W 10/100 27–1/4 R416 1000p/630 10/100 E402 TP420 E403 C407 E809 22/50 E810 22/50 E811 10/100 E302 10/100 E303 10/100 C304 0.33 C312 1000p C009 N.U. C008 0.01 TP301 C311 1000p C013 N.U. C014 N.U. C412 1000p C011 1000p C012 1000p R304 0.01–5W R303 0.01–5W C822 N.U. C411 1000p Q401 IRF5305 Q402 IRFZ44N C819 N.U. C402 1.0 C401 0.47 C403 1500p L401 15uH TP401 2700/35 E804 C820 N.U. N.U. C821 E803 2700/35 R551 10kF R552 10kF L306 1uH TML301 BLOCK TERMINAL 2P L406 1uH L301 15uH C301 0.47 R301 10–2W R401 10–2W C302 1.0 C303 1500p R302 27–2W R402 27–2W C307 1000p C305 1000p C405 1000p C406 1000p R313 43 R413 43 R415 22–1/4 R432 N.U. FG FG FG FG FG COM 1 0

Terminal Voltage of IC/TR 1 4.5m 1 1.2m 1 11.0m 1 14.8m 2 5.7m 2 5.0m 2 11.0m 2 11.1m 3 5.1m 3 3.4m 3 10.9m 3 13.4m 4 15.35 4 -15.35 4 -15.35 4 -15.35 5 5.1m 5 1.7m 5 1.0m 5 7.5m 6 5.1m 6 3.0m 6 1.6m 6 7.8m 7 5.2m 7 13.3m 7 13.0m 7 7.9m 8 15.11 8 15.10 8 15.10 8 15.10 1 15.8m 1 7.2m 1 6.3m 2 15.8m 2 7.1m 2 5.3m 3 15.3m 3 6.9m 3 5.6m 4 -15.37 4 -15.36 4 -15.36 5 16.3m 5 0.7m 5 5.0m 6 16.4m 6 -0.1m 6 5.1m 7 16.5m 7 -5.2m 7 5.1m 8 15.10 8 15.10 8 15.01 1 N.C 17 0.59 33 N.C 49 1.0m 1 5.00 2 N.C 18 0.59 34 0.0m 50 0.0m 2 0.34 3 N.C 19 N.C 35 NC 51 NC 3 0.32 4 0.59 20 N.C 36 1.94 52 55.80 4 0.33 5 0.59 21 0.33 37 N.C 53 0.0m 5 0.33 6 N.C 22 0.33 38 1.21 54 11.3m 6 0.33 7 0.59 23 0.33 39 N.C 55 41.9m 7 4.99 8 0.59 24 0.31 40 1.21 56 2.8m 8 0.0m 9 0.58 25 0.33 41 N.C 57 0.5m 10 0.0m 26 0.33 42 0.60 58 0.33 11 N.C 27 0.40 43 N.C 59 0.33 12 0.59 28 1.21 44 N.C 60 0.30 13 0.59 29 1.21 45 2.0m 61 0.33 14 0.59 30 1.21 46 1.0m 62 0.33 15 0.25 31 1.21 47 NC 63 0.33 16 N.C 32 0.0m 48 N.C 64 0.33 1 4.99 12 4.99 23 0.57 34 4.99 2 4.99 13 4.07m 24 0.50 35 33.9m 3 4.99 14 4.97 25 3.1m 36 4.99 4 4.99 15 1.82 26 3.2m 37 4.99 5 4.99 16 20.70 27 5.00 38 4.99 6 1.94 17 3.09m 28 3.60 39 43.2m 7 4.99 18 4.11 29 4.99 40 4.99 8 4.99 19 3.36 30 4.99 41 2.8m 9 4.99 20 6.25 31 4.99 42 2.8m 10 4.99 21 3.25 32 0.37 43 0.5m 11 4.99 22 3.25 33 5.3m 44 8.2m IC302 IC501 IC104 IC105 IC200 IC301 IC100 IC101 IC102 IC103

1 4.97 1 5.00 1 2.6m 2 4.68 2 8.03 2 2.6m 3 3.1m 3 2.9m 3 0.0m 4 N.C 4 N.C 4 3.3m 5 3.1m 5 2.9m 5 0.0m 6 2.7m 7 1.4m 8 1.1m 1 54.9m 5 -3.4m 9 0m 13 0.9m 2 4.56 6 0.5m 10 0m 14 0.9m 3 4.56 7 0.5m 11 0.45 15 0.9m 4 0.5m 8 0.45 12 0.45 16 0.5m 1 13.66 1 25.35 1 0.6m 2 2.9m 2 0.7m 2 -24.94 3 5.00 3 15.10 3 -15.35 G D S G D S Q 301 21.45 -87.6m 25.34 Q 601 0.27 14.37 0.85m Q 302 -21.09 -87.6m -24.93 Q 602 0.27 14.37 0.8m Q 401 21.44 -80.8m 25.34 Q 603 0.27 14.37 0.9m Q 402 -21.09 -82m -24.9 Q 604 0.27 14.37 0.84m B C E B C E Q 551 0.75m 4.99 0.78m Q 592 0.7 0.75m 1.1m Q 561 4.87 0.21 5.05 Q 663 0.73 113.9m 3.1m Q 581 16.3 5.17m 0.72m Q 664 13.67 14.36 14.37 Q 582 -8.98 -24.8 -24.9 Q 671 13.66 14.33 14.37 Q 584 1.0m 4.99 0.7m Q 672 0.67 54.8m 2.4m 1 2 3 4 5 Q 593 NC 3.60 15.10 15.07 23.5m [Measuring Conditions] 1.Power Supply Voltage : DC14.4V 2.Measuring Meter : Digital Multi Meter 3.Measuring Point Reference : Between GND 4.Measuring Condition : No signal input IC551 IC602 IC605 IC606 IC522 IC521 IC601

Description of IC Terminal TCP87P47U : IC501 No. Symbol I/O Terminal Description 1 SHT-DET1(PULL-UP) 2 SHT-DET2(PULL-UP) 3 SHT-DET3(PULL-UP) 4 DATA IN2(PULL-UP) 5 CUR-DET1(PULL-UP) 6 CUR-DET2 I Over current detect 2 terminal. 7 CUR-DET3(PULL-UP) 8 CUR-DET4(PULL-UP) 9 DC-DET1(PULL-UP) 10 DC-DET2(PULL-UP) 11 DC-DET3(PULL-UP) 12 DC-DET4 I DC Offset detect 4 terminal. 13 TEST I Test terminal. 14 RESET I Reset terminal. 15 XIN I 16 XOUT O 17 VSS I GND connect terminal of A/D converter. 18 VAREF I Analog standard voltage terminal. 19 AD VOLT I Voltage signal input terminal. 20 AD THRM1 I Temperature signal input terminal. (u-COM) 21 AD THRM2 I Temperature signal input terminal. (transformer) 22 VCC REF I Output standard voltage terminal of Transformer. 23 TH-DET1 I Temperature detect 1 terminal. 24 TH-DET2 I Temperature detect 2 terminal. 25 TH-DET3(GND) 26 TH-DET4(GND) 27 WATCH DOG (PULL-UP) - Pull-up connect terminal. 28 DATA OUT(-6dB) O -6dB MUTE circuit control terminal. 29 DATA IN1(PULL-UP) - Pull-up connect terminal. 30 AMP STATE I AMP state detect interrupt input terminal. 31 DATA IN(MUTE) (PULL-UP) - Pull-up connect terminal. 32 DATA IN(-6dB) (PULL-DOWN) - Pull-down connect terminal. 33 DATA OUT O Power supply circuit control terminal. 34 LED RED(PULL-UP) 35 DATA OUT(MUTE) (PULL-UP) 36 TRIGGER IN (PULL-UP) 37 BAT_DET I BAT-DET terminal. 38 SHT-DET4(PULL-UP) - Pull-up connect terminal. 39 PWM MUTE O PWM MUTE terminal. 40 VDD I Power supply terminal. (4.5 to 5.5V) 41 494 CONT O PWM IC(uPC494GS) control terminal. 42 PWM ST-BY O PWM STAND-BY terminal. 43 LED BLUE(GND) - GND connect terminal. 44 VOLT-DET I Output voltage detect terminal of Transformer. Pull-up connect terminal. Crystal OSC connect terminal. - Pull-up connect terminal. - Pull-up connect terminal. - GND connect terminal. -