Rotel-RMB1048-pwr-sm 维修电路原理图.pdf

T echnicalManualEIGHT CHANNEL POWER AMPLIFIERRMB-1048Table of ContentsSpecificationSpecification.1Parts List.25Adjustment.6PCB Assembly.78Schematic Diagram .910SHINSEN-BLD. 4F 10-10 SHINSEN-CHO, SHIBUYA-KU,TOKYO 150-0045, JAPANSerial. NO.BeginningQuality UncompromisedY-367A-0208/pdfContinuous Power Output - all channel driven40 watts/ch into 8 ohms(20-20 kHz, 0.05% THD)Total Harmonic Distortion 0.05%(20Hz-20kHz, 8 ohms)Intermodulation Distortion 0.03%(60 Hz : 7 kHz, 4:1)Frequency Response ( 1 dB)15Hz100kHzDamping Factor (20-20,000 Hz, 8 ohms)150Speaker Impedance4 ohms minimumSignal to Noise Ratio (IHF A network)110 dBInput Impedance22 k ohmsInput Sensitivity1.0 voltPower RequirementsUSA:115 Volts, 60 HzEurope:230 Volts, 50 HzPower Consumption400 WattsDimensions (W x H x D)432 x 121 x 432 mm17 x 43/4 x 17 inPanel Height109 mm, 49/32 inWeight (net)15.1 kg, 33.3 lb.RadioFans.CN 收音机爱 好者资料库EIGHT CHANNELPOWER AMPLIFIERRMB-1048CH - B LEVELCH - A LEVELCH - C LEVELCH - D LEVELPOWERAPROTECTIONDCBRLINPUTBRLRLINPUTSIGNALOUTPUTLINKALINKSTEREO12V TRIG.OFFRLINPUTCLINKSTEREORLINPUTDLINKSTEREOOUTINWARNING: TO REDUCE THE RISK OF FIRE OR ELECTRICAL SHOCK, DO NOT EXPOSE THIS EQIPMENT TO RAIN OR MOISTURE.4 OHMS MINIMUMSPEAKER IMPEDANCE+ RIGHTLEFTSPEAKERS D+ RIGHTLEFTSPEAKERS C + RIGHTLEFTSPEAKERS B+ RIGHTLEFTSPEAKERS AMODEL NO. RMB-1048POWER CONSUMPTION: 400WAppearanceRMB-1048RadioFans.CN 收音机爱 好者资料库 2Parts List 1/2SYMBOLPARTS NO.DESCRIPTION501 X-1334PCB ASSYD101-104,201-204,301-304,401-404034 T1N4148-86DIODE 1N4148TAP-50D151,152,251,252,351,352,451,452034 T1N4148-86DIODE 1N4148TAP-50C107,108,207,208,307,308,407,408041 TUTES1E101-TFELECTROLYTIC CAPACITOR 25V100uFC101,102,201,202,301,302,401,402041 TUTES1H100-TFELECTROLYTIC CAPACITOR 50V10uFC111,112,211,212,311,312,411,412041 TUTES1H010-TFELECTROLYTIC CAPACITOR 50V1uFC151,251,351,451041 TUTES1H010-TFELECTROLYTIC CAPACITOR 50V1uFR155,156,255,256,355,356,455,456054 TMF1201METAL FILM RESISTOR 1/4W 1.2KR107,108,207,208,307,308,407,408054 TMF1501METAL FILM RESISTOR 1/4W 1.5KR153,154,253,254,353,354,453,454054 TMF1501METAL FILM RESISTOR 1/4W 1.5KR123,124,223,224,323,324,423,424054 TMF1000METAL FILM RESISTOR 1/4W 100R160,260,360,460054 TMF1003METAL FILM RESISTOR 1/4W 100KR121,122,221,222,321,322,421,422054 TMF1002METAL FILM RESISTOR 1/4W 10KR157,158,257,258,357,358,457,458054 TMF1502METAL FILM RESISTOR 1/4W 15KR101,102,201,202,301,302,401,402054 TMF1001METAL FILM RESISTOR 1/4W 1KR125,126,225,226,325,326,425,426054 TMF2201METAL FILM RESISTOR 1/4W 2.2KR129-132,229-232,329-332,429-432054 TMF2200METAL FILM RESISTOR 1/4W 220R151,152,251,252,351,352,451,452054 TMF2202METAL FILM RESISTOR 1/4W 22KR103,104,203,204,303,304,403,404054 TMF2702METAL FILM RESISTOR 1/4W 27KR164,264,364,464054 TMF2702METAL FILM RESISTOR 1/4W 27KR105,106,205,206,305,306,405,406054 TMF3300METAL FILM RESISTOR 1/4W 330R119,120,219,220,319,320,419,420054 TMF3302METAL FILM RESISTOR 1/4W 33KR161,165,261,265,361,365,461,465054 TMF4701METAL FILM RESISTOR 1/4W 4.7KR115,116,215,216,315,316,415,416054 TMF4300METAL FILM RESISTOR 1/4W 430R117,118,217,218,317,318,417,418054 TMF47R0METAL FILM RESISTOR 1/4W 47R109,110,209,210,309,310,409,410054 TMF4700METAL FILM RESISTOR 1/4W 470R159,259,359,459054 TMF4702METAL FILM RESISTOR 1/4W 47KR111,112,211,212,311,312,411,412054 TMF6801METAL FILM RESISTOR 1/4W 6.8KR127,128,227,228,327,328,427,428054 TMF6801METAL FILM RESISTOR 1/4W 6.8KR113,114,213,214,313,314,413,414054 TMF8201METAL FILM RESISTOR 1/4W 8.2KR163,263,363,463054 TMF8200METAL FILM RESISTOR 1/4W 820R133-136,233-236,333-336,433-436054 NIR2-0.22JFNIR RESISTOR 2W 0.22VR103,104,203,204,303,304,403,404051 SF001-222SEMI FIXD RESISTOR VM6CKPH1S-2.2KC115-118,215-218,315-318,415-418044 S50V150PJSTYROL CAPACITOR 150pFC105,106,205,206,305,306,405,406044 S50V220PJSTYROL CAPACITOR 220pFC103,104,203,204,303,304,403,404044 S50V330PJSTYROL CAPACITOR 330pFR162,262,362,462034 TTC-503THERMISTOR 50KQ109,110,209,210,309,310,409,410032 TA1016-FGTRANSISTOR 2SA1016-FGQ101-106,201-206,301-306,401-406032 TA1016-FGTRANSISTOR 2SA1016KAA-FGQ153,154,253,254,353,354,453,454032 TA608-FGTRANSISTOR 2SA6081KAA-FGQ111-114,211-214,311-314,411-414033 B631-EFTRANSISTOR 2SB631K-EFQ107,108,207,208,307,308,407,408032 TC1941-KLTRANSISTOR 2SC1941-T-KLQ151,152,251,252,351,352,451,452032 TC536-FGTRANSISTOR 2SC536KAA-FGQ115,116,215,216,315,316,415,416033 D600-EFTRANSISTOR 2SD600K-EFQ121,122,221,222,321,322,421,422032 D600-EFTRANSISTOR 2SD600K-EFQ117,118,217,218,317,318,417,418033 B817P-DETRANSISTOR 2SB817P-DEQ119,120,219,220,319,320,419,420033 D1047P-DETRANSISTOR 2SD1047P-DE501 X-1335PCB ASSYPJ101,102,201,301,401066 4TR-2709#3 2P PIN JACK (WHT/RED)HJ701,HJ702065 YKB21-5103A3.5MINI JACK(R903)053 CR14-152J-ACARBON RESISTOR 1/4W 1.5KR171,172,271,272,371,372,471,472053 CR14-124J-ACARBON RESISTOR 1/4W 120KR701053 CR14-102J-ACARBON RESISTOR 1/4W 1KR702053 CR14-221J-ACARBON RESISTOR 1/4W 220R904053 CR14-333J-ACARBON RESISTOR 1/4W 33K(R903)053 CR14-472J-ACARBON RESISTOR 1/4W 4.7KR178,278,378,478053 CR14-682J-ACARBON RESISTOR 1/4W 6.8K016 X-1334A01-02 PCB ASSY016 X-1335B01-07 PCB ASSYRMB-1048 3Parts List 2/2SYMBOLPARTS NO.DESCRIPTIONR173,174,273,274,373,374,473,474053 CR16-104J-ACARBON RESISTOR 1/6W 100KR175,275,375,475053 CR16-153J-ACARBON RESISTOR 1/6W 15KR176,276,376,476053 CR16-563J-ACARBON RESISTOR 1/6W 56KC911-922043 TC500V103CERAMIC CAPACITOR 500V0.01uFD904,905034 T1N4003-TBDIODE 1N4003D171,172,271,272,371,372,471,472034 T1N4148-86DIODE 1N4148TAP-50D701,702,906034 T1N4148-86DIODE 1N4148TAP-50C171,271,371,471041 TUTES1E101-TFELECTROLYTIC CAPACITOR 25V100uFC910041 TUTES1E471-TSELECTROLYTIC CAPACITOR 25V470uFC172,272,372,472041 TUTES1E470-TFELECTROLYTIC CAPACITOR 25V47uFC909041 TUTES1H471-TSELECTROLYTIC CAPACITOR 50V470uFC901-908041 50USP682ELECTROLYTIC CAPACITOR 50V6800uFF101,102,201,202,301,302,401,402036 5ST3.15FUSE 250VT3.15AF903036 R251-250FUSE AXIAL LEAD TYPE F250mAR901054 ERQ12AJ2R2PFUSE RESISTOR 1/2W 2.2IC701031 PC817BI C (PHOTO COUPLER)IC171,271,371,471031 MPC1237HAI C (PROTECTION)D001-D004034 LTL4262NLED (RED) 3 LTL4262NC109,110,209,210,309,310,409,410044 KT18-2A104KM.P CAPACITOR MKT1818-410/015R137,138,237,238,337,338,437,438054 TMF1001METAL FILM RESISTOR 1/4W 1KR139,140,239,240,339,340,439,440054 1WS10JFMOF RESISTOR 1W 10R902054 1WS120JFMOF RESISTOR 1W 120R177,277,377,477054 1WS1KJFMOF RESISTOR 1W 1KD903034 W02MPOWER DIODE (1.5A)D901,902034 BR84POWER DIODE (8A)S901061 C-4176A08POWER SWITCH PS3-22SPA-P7AZ (TV-8)RY901063 OZT-SS-112LM1RELAY (AC-LINE) DC12V TV-8RY101,RY201,RY301,RY401063 DG2SU-24RELAY (SPEAKER) DG24D2-OS(M)S201,301,401,701064 4TR-2341SLIDE SWITCH SSSU122NB1C923,924044 DE1307E472MSPARK KILLER 4700pFL101,102,201,202,301,302,401,402021 TRL-332SPEAKER COIL 1F 23TSP1-SP4067 C-4493A00SPERKER TERMINAL (RBBR)T002022 T-1075N02SUB TRANSFORMER Q901032 TC3708-STTRANSISTOR 2SC3708AA-STVR101,201,301,401051 C-4170A36VARIABLE RESISTOR 50KBx2 (VOLUME)D703034 TRD12JST1ZENER DIODE 12V011 FP-552-BBLACK PANEL ASSY011 FP-552-SSILVER PANEL ASSY069 C-4629A01AC 2P INLET 6102.3100 (WIRING)072 C-4622A01AC CORD SET for AUSTRALIA072 C-4624A01AC CORD SET for EUROPE072 C-4623A01AC CORD SET for U.K072 C-4621A01AC CORD SET SJT AWG16/2C for USA069 C-4798A02BANANA PLUG (BLACK)069 C-4798A01BANANA PLUG (RED)011 UG3-01B00H/S PANEL 081 UG3-12A00INSIDE CARTON 034 SEL1E24WLED (BLU) 1X5 SEL1E24W034 SEL1124RLED (RED) 1X5 SEL1124R019 4TR-2823#2PLASTIC FOOT 24019 4TSH-19#2PLASTIC FOOT 50022 T-1087N01POWER TRANSFORMER 012 RV4-09A00PUSH BUTTON 14 (BLACK)012 RV4-09A01PUSH BUTTON 14 (SILVER)081 UG3-13A00SHIPPING CARTON 081 Z-205ASTYROL MOULDING013 TS3-03A01BSUB PANEL CHASSIS (BLACK) 013 TS3-03A01SSUB PANEL CHASSIS (SILVER) 082 OMRMB-1048OWNERS MANUAL (EFGISD)O T H E R S 4RMB1048SYMBOLPARTSDESCRIPTION011 FP-552-BBLACK PANEL ASSY011 FP-552-SSILVER PANEL ASSY011 UG3-01B00 H/S PANEL H109012 RV4-09A00PUSH BUTTON 14F (BLK)012 RV4-09A01PUSH BUTTON 14F (SLV)013TS3-03A01BSUB PANEL CHASSIS (BLK) 013TS3-03A01SSUB PANEL CHASSIS (SLV) 034 SEL1124RLED (RED) 1X5034 SEL1E24WLED (BLU) 1X5Addendum List for Black and Silver345 5Instruments : DC milli-meterNotes : Prior to Bias Adjustment, run about 5minutes with rated output (8 ohms) And warm up Power Transistor and Heat Sink.Set input off.StepR133 or R135R134 or R136X-1334-01 PCB VR103VR104X-1334-01 PCB12R233 or R235VR203X-1334-01 PCB3R234 or R236VR204X-1334-01 PCB4R333 or R335VR303X-1334-02 PCB5R334 or R336VR304X-1334-02 PCB6R433 or R435VR403X-1334-02 PCB7R434 or R436VR404X-1334-02 PCB8CouplingLocationAdjust forAdjustDC milli-voltmeter Reads 4mV Adjustment2SB631K2SD600K2SC536K2SA608K2SA1016K2SC1941UPC1237HACase OutlineRMB-10482SB817P2SD1047PPC817B 6PCB Assembly -1016 X-1334A01-02RMB-1048 7PCB Assembly - 2016 X-1335B01-07RMB-1048 8Schematic Diagram -1/2RMB-1048 9Schematic diagram -2/2RMB-104810