Rotel-RMB1048-pwr-sm维修电路原理图.pdf

T echnical Manual EIGHT CHANNEL POWER AMPLIFIER RMB-1048 Table of Contents Specification Specification.1 Parts List.25 Adjustment.6 PCB Assembly.78 Schematic Diagram .910 SHINSEN-BLD. 4F 10-10 SHINSEN-CHO, SHIBUYA-KU, TOKYO 150-0045, JAPAN Serial. NO. Beginning Quality Uncompromised Y-367A-0208/pdf Continuous 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)15Hz100kHz Damping Factor (20-20,000 Hz, 8 ohms)150 Speaker Impedance4 ohms minimum Signal to Noise Ratio (IHF A network)110 dB Input Impedance22 k ohms Input Sensitivity1.0 volt Power Requirements USA:115 Volts, 60 Hz Europe:230 Volts, 50 Hz Power Consumption400 Watts Dimensions (W x H x D)432 x 121 x 432 mm 17 x 43/4 x 17 in Panel Height109 mm, 49/32 in Weight (net)15.1 kg, 33.3 lb. RadioFans.CN 收音机爱 好者资料库 EIGHT CHANNEL POWER AMPLIFIER RMB-1048 CH - B LEVEL CH - A LEVEL CH - C LEVEL CH - D LEVEL POWER A PROTECTION DCB RL INPUT B RLRL INPUT SIGNALOUTPUT LINK A LINK STEREO12V TRIG. OFF RL INPUT C LINK STEREO RL INPUT D LINK STEREO OUTIN WARNING: TO REDUCE THE RISK OF FIRE OR ELECTRICAL SHOCK, DO NOT EXPOSE THIS EQIPMENT TO RAIN OR MOISTURE. 4 OHMS MINIMUMSPEAKER IMPEDANCE + RIGHTLEFT SPEAKERS D + RIGHTLEFT SPEAKERS C + RIGHTLEFT SPEAKERS B + RIGHTLEFT SPEAKERS A MODEL NO. RMB-1048 POWER CONSUMPTION: 400W Appearance RMB-1048 RadioFans.CN 收音机爱 好者资料库 2 Parts List 1/2 SYMBOLPARTS NO.DESCRIPTION 501 X-1334PCB ASSY D101-104,201-204,301-304,401-404034 T1N4148-86DIODE 1N4148TAP-50 D151,152,251,252,351,352,451,452034 T1N4148-86DIODE 1N4148TAP-50 C107,108,207,208,307,308,407,408041 TUTES1E101-TFELECTROLYTIC CAPACITOR 25V100uF C101,102,201,202,301,302,401,402041 TUTES1H100-TFELECTROLYTIC CAPACITOR 50V10uF C111,112,211,212,311,312,411,412041 TUTES1H010-TFELECTROLYTIC CAPACITOR 50V1uF C151,251,351,451041 TUTES1H010-TFELECTROLYTIC CAPACITOR 50V1uF R155,156,255,256,355,356,455,456054 TMF1201METAL FILM RESISTOR 1/4W 1.2K R107,108,207,208,307,308,407,408054 TMF1501METAL FILM RESISTOR 1/4W 1.5K R153,154,253,254,353,354,453,454054 TMF1501METAL FILM RESISTOR 1/4W 1.5K R123,124,223,224,323,324,423,424054 TMF1000METAL FILM RESISTOR 1/4W 100 R160,260,360,460054 TMF1003METAL FILM RESISTOR 1/4W 100K R121,122,221,222,321,322,421,422054 TMF1002METAL FILM RESISTOR 1/4W 10K R157,158,257,258,357,358,457,458054 TMF1502METAL FILM RESISTOR 1/4W 15K R101,102,201,202,301,302,401,402054 TMF1001METAL FILM RESISTOR 1/4W 1K R125,126,225,226,325,326,425,426054 TMF2201METAL FILM RESISTOR 1/4W 2.2K R129-132,229-232,329-332,429-432054 TMF2200METAL FILM RESISTOR 1/4W 220 R151,152,251,252,351,352,451,452054 TMF2202METAL FILM RESISTOR 1/4W 22K R103,104,203,204,303,304,403,404054 TMF2702METAL FILM RESISTOR 1/4W 27K R164,264,364,464054 TMF2702METAL FILM RESISTOR 1/4W 27K R105,106,205,206,305,306,405,406054 TMF3300METAL FILM RESISTOR 1/4W 330 R119,120,219,220,319,320,419,420054 TMF3302METAL FILM RESISTOR 1/4W 33K R161,165,261,265,361,365,461,465054 TMF4701METAL FILM RESISTOR 1/4W 4.7K R115,116,215,216,315,316,415,416054 TMF4300METAL FILM RESISTOR 1/4W 430 R117,118,217,218,317,318,417,418054 TMF47R0METAL FILM RESISTOR 1/4W 47 R109,110,209,210,309,310,409,410054 TMF4700METAL FILM RESISTOR 1/4W 470 R159,259,359,459054 TMF4702METAL FILM RESISTOR 1/4W 47K R111,112,211,212,311,312,411,412054 TMF6801METAL FILM RESISTOR 1/4W 6.8K R127,128,227,228,327,328,427,428054 TMF6801METAL FILM RESISTOR 1/4W 6.8K R113,114,213,214,313,314,413,414054 TMF8201METAL FILM RESISTOR 1/4W 8.2K R163,263,363,463054 TMF8200METAL FILM RESISTOR 1/4W 820 R133-136,233-236,333-336,433-436054 NIR2-0.22JFNIR RESISTOR 2W 0.22 VR103,104,203,204,303,304,403,404051 SF001-222SEMI FIXD RESISTOR VM6CKPH1S-2.2K C115-118,215-218,315-318,415-418044 S50V150PJSTYROL CAPACITOR 150pF C105,106,205,206,305,306,405,406044 S50V220PJSTYROL CAPACITOR 220pF C103,104,203,204,303,304,403,404044 S50V330PJSTYROL CAPACITOR 330pF R162,262,362,462034 TTC-503THERMISTOR 50K Q109,110,209,210,309,310,409,410032 TA1016-FGTRANSISTOR 2SA1016-FG Q101-106,201-206,301-306,401-406032 TA1016-FGTRANSISTOR 2SA1016KAA-FG Q153,154,253,254,353,354,453,454032 TA608-FGTRANSISTOR 2SA6081KAA-FG Q111-114,211-214,311-314,411-414033 B631-EFTRANSISTOR 2SB631K-EF Q107,108,207,208,307,308,407,408032 TC1941-KLTRANSISTOR 2SC1941-T-KL Q151,152,251,252,351,352,451,452032 TC536-FGTRANSISTOR 2SC536KAA-FG Q115,116,215,216,315,316,415,416033 D600-EFTRANSISTOR 2SD600K-EF Q121,122,221,222,321,322,421,422032 D600-EFTRANSISTOR 2SD600K-EF Q117,118,217,218,317,318,417,418033 B817P-DETRANSISTOR 2SB817P-DE Q119,120,219,220,319,320,419,420033 D1047P-DETRANSISTOR 2SD1047P-DE 501 X-1335PCB ASSY PJ101,102,201,301,401066 4TR-2709#3 2P PIN JACK (WHT/RED) HJ701,HJ702065 YKB21-5103A3.5MINI JACK (R903)053 CR14-152J-ACARBON RESISTOR 1/4W 1.5K R171,172,271,272,371,372,471,472053 CR14-124J-ACARBON RESISTOR 1/4W 120K R701053 CR14-102J-ACARBON RESISTOR 1/4W 1K R702053 CR14-221J-ACARBON RESISTOR 1/4W 220 R904053 CR14-333J-ACARBON RESISTOR 1/4W 33K (R903)053 CR14-472J-ACARBON RESISTOR 1/4W 4.7K R178,278,378,478053 CR14-682J-ACARBON RESISTOR 1/4W 6.8K 016 X-1334A01-02 PCB ASSY 016 X-1335B01-07 PCB ASSY RMB-1048 3 Parts List 2/2 SYMBOLPARTS NO.DESCRIPTION R173,174,273,274,373,374,473,474053 CR16-104J-ACARBON RESISTOR 1/6W 100K R175,275,375,475053 CR16-153J-ACARBON RESISTOR 1/6W 15K R176,276,376,476053 CR16-563J-ACARBON RESISTOR 1/6W 56K C911-922043 TC500V103CERAMIC CAPACITOR 500V0.01uF D904,905034 T1N4003-TBDIODE 1N4003 D171,172,271,272,371,372,471,472034 T1N4148-86DIODE 1N4148TAP-50 D701,702,906034 T1N4148-86DIODE 1N4148TAP-50 C171,271,371,471041 TUTES1E101-TFELECTROLYTIC CAPACITOR 25V100uF C910041 TUTES1E471-TSELECTROLYTIC CAPACITOR 25V470uF C172,272,372,472041 TUTES1E470-TFELECTROLYTIC CAPACITOR 25V47uF C909041 TUTES1H471-TSELECTROLYTIC CAPACITOR 50V470uF C901-908041 50USP682ELECTROLYTIC CAPACITOR 50V6800uF F101,102,201,202,301,302,401,402036 5ST3.15FUSE 250VT3.15A F903036 R251-250FUSE AXIAL LEAD TYPE F250mA R901054 ERQ12AJ2R2PFUSE RESISTOR 1/2W 2.2 IC701031 PC817BI C (PHOTO COUPLER) IC171,271,371,471031 MPC1237HAI C (PROTECTION) D001-D004034 LTL4262NLED (RED) 3 LTL4262N C109,110,209,210,309,310,409,410044 KT18-2A104KM.P CAPACITOR MKT1818-410/015 R137,138,237,238,337,338,437,438054 TMF1001METAL FILM RESISTOR 1/4W 1K R139,140,239,240,339,340,439,440054 1WS10JFMOF RESISTOR 1W 10 R902054 1WS120JFMOF RESISTOR 1W 120 R177,277,377,477054 1WS1KJFMOF RESISTOR 1W 1K D903034 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-8 RY101,RY201,RY301,RY401063 DG2SU-24RELAY (SPEAKER) DG24D2-OS(M) S201,301,401,701064 4TR-2341SLIDE SWITCH SSSU122NB1 C923,924044 DE1307E472MSPARK KILLER 4700pF L101,102,201,202,301,302,401,402021 TRL-332SPEAKER COIL 1F 23T SP1-SP4067 C-4493A00SPERKER TERMINAL (RBBR) T002022 T-1075N02SUB TRANSFORMER Q901032 TC3708-STTRANSISTOR 2SC3708AA-ST VR101,201,301,401051 C-4170A36VARIABLE RESISTOR 50KBx2 (VOLUME) D703034 TRD12JST1ZENER DIODE 12V 011 FP-552-BBLACK PANEL ASSY 011 FP-552-SSILVER PANEL ASSY 069 C-4629A01AC 2P INLET 6102.3100 (WIRING) 072 C-4622A01AC CORD SET for AUSTRALIA 072 C-4624A01AC CORD SET for EUROPE 072 C-4623A01AC CORD SET for U.K 072 C-4621A01AC CORD SET SJT AWG16/2C for USA 069 C-4798A02BANANA PLUG (BLACK) 069 C-4798A01BANANA PLUG (RED) 011 UG3-01B00H/S PANEL 081 UG3-12A00INSIDE CARTON 034 SEL1E24WLED (BLU) 1X5 SEL1E24W 034 SEL1124RLED (RED) 1X5 SEL1124R 019 4TR-2823#2PLASTIC FOOT 24 019 4TSH-19#2PLASTIC FOOT 50 022 T-1087N01POWER TRANSFORMER 012 RV4-09A00PUSH BUTTON 14 (BLACK) 012 RV4-09A01PUSH BUTTON 14 (SILVER) 081 UG3-13A00SHIPPING CARTON 081 Z-205ASTYROL MOULDING 013 TS3-03A01BSUB PANEL CHASSIS (BLACK) 013 TS3-03A01SSUB PANEL CHASSIS (SILVER) 082 OMRMB-1048OWNERS MANUAL (EFGISD) O T H E R S 4 RMB1048 SYMBOLPARTSDESCRIPTION 011 FP-552-BBLACK PANEL ASSY 011 FP-552-SSILVER PANEL ASSY 011 UG3-01B00 H/S PANEL H109 012 RV4-09A00PUSH BUTTON 14F (BLK) 012 RV4-09A01PUSH BUTTON 14F (SLV) 013TS3-03A01BSUB PANEL CHASSIS (BLK) 013TS3-03A01SSUB PANEL CHASSIS (SLV) 034 SEL1124RLED (RED) 1X5 034 SEL1E24WLED (BLU) 1X5 Addendum List for Black and Silver 3 4 5 5 Instruments : DC milli-meter Notes : Prior to Bias Adjustment, run about 5minutes with rated output (8 ohms) And warm up Power Transistor and Heat Sink.Set input off. Step R133 or R135 R134 or R136 X-1334-01 PCB VR103 VR104X-1334-01 PCB 1 2 R233 or R235VR203X-1334-01 PCB3 R234 or R236VR204X-1334-01 PCB4 R333 or R335VR303X-1334-02 PCB5 R334 or R336VR304X-1334-02 PCB6 R433 or R435VR403X-1334-02 PCB7 R434 or R436VR404X-1334-02 PCB8 CouplingLocationAdjust forAdjust DC milli-voltmeter Reads 4mV Adjustment 2SB631K 2SD600K 2SC536K 2SA608K 2SA1016K 2SC1941UPC1237HA Case Outline RMB-1048 2SB817P 2SD1047P PC817B 6 PCB Assembly -1 016 X-1334A01-02 RMB-1048 7 PCB Assembly - 2 016 X-1335B01-07 RMB-1048 8 Schematic Diagram -1/2RMB-1048 9 Schematic diagram -2/2RMB-1048 10