Rotel-RB991-pwr-sm维修电路原理图.pdf

T echnical Manual STEREO POWER AMPLIFIER RB-991 Table of Contents Specification Specification.1 Wiring Diagram.2 Parts List.3,4 Adjustment.4 PCB Assembly.5,6 Schematic Diagram.7,8 Continuous Power Output(20-20 kHz, 0.03%, 8 ohms) 200 watts/ch. (20-20 kHz, 0.05%, 4 ohms) 300 watts/ch. Total Harmonic Distortion(20 Hz-20 kHz, 8 ohms) 0.03% Intermodulation Distortion(60 Hz: 7 kHz, 4:1) 0.03% Frequency Response 10-100,000 Hz, 1 dB Damping Factor(20-20,000 Hz, 8 ohms) 500 Speaker Impedance 4-16 ohms Signal to Noise Ratio(IHF A network) 120 dB Input Impedance/Sensitivity(RCA Inputs) 33 k Ohms/1.0 volt (XLR Inputs) 33k Ohms/1.0 volt Power Requirements 115 Volts, 60 Hz or 230 Volts, 50 Hz Power Consumption 550 Watts Dimensions (W, H, D) 440 x 127 x 385 mm 17.38 x 4.76 x 15.16” Weight (net) 16.7 kg., 36.74 lb. BUNZAN-SHINSEN-BLD. 4F 10-10 SHINSEN-CHO, SHIBUYA-KU, TOKYO 150-0045, JAPAN Serial. NO. Begining Wiring Diagram Quality Uncompromised Y-310A-98061M/S-S 2 RadioFans.CN 收音机爱 好者资料库 SYMBOL PARTS NO.DESCRIPTIONSYMBOL PARTS NO.DESCRIPTION Parts List SYMBOL PARTS NO.DESCRIPTIONSYMBOL PARTS NO.DESCRIPTION Parts List 43 E E E C C C B B B 1 2 3 4 5 6 7 8 2SAS1016K 2SC2362K 2SC2910 2SA1208 2SB631K 2SD600K 2SD1953 2SA1142 2SC2682 AD711JN 2SA1492 2SC3856 Instruments : DC millivoltmeter Notes : Prior to Bias Adjustment, run about 5minutes with rated output(8ohms) and warm up Power Transistor and Heat Sink. Set input off. Step Coupling Plus Lead TP 3 TP 4 TP 1 TP 2 X-1177-01 PCB X-1177-02 PCB VR601 VR602 1 2 Minus Lead LocationAdjustAdjust for DC millivoltmeter reads 7mV Adjustment X-1177-01,02 PCB ASSEMBLY C601,602 041 50BGF4R7M CAP,ELEC.50V4.7UF C603,604 044 TFKP2-100V681H CAP,FILM 100V680PF C607,608 041 25BGF100M CAP,ELEC.25V100UF C609,610 044 LFSC160V331H CAP,STYROL 160V330PF C611,612 041 50BGF10M CAP,ELEC.50V10UF C613-616 044 LFSC160V561H CAP,STYROL 160V560PF C623-626 041 UVX2A102MRAY CAP,ELEC.100V1000UF C627,628 044 LFSC160V471H CAP,STYROL 160V470PF D601-608 034 LT1N4148-86 DIODE D609-612 034 LT1N4003-TB DIODE FU601-604 036 5ST6.3 MINI FUSE 250V6.3A Q601-606 033 LT2SC2362KAA-FG TRANSISTOR Q607-612 033 LT2SA1016KAA-FG TRANSISTOR Q613,614 033 2SA1142-EPQ TRANSISTOR Q615,616 033 2SC2682-EPQ TRANSISTOR Q619,620 033 LT2SC2910AE-RST TRANSISTOR Q621,622 033 LT2SA1208AE-RST TRANSISTOR R601,602 054 LEE10-102 R,METAL 1K R603,604 054 LEE10-333 R,METAL 33K R605,606 054 LEE10-471 R,METAL 470R R607-610 054 LTMK201K5FECZ R,METAL 1% 1.5K R611,612 054 LTMK2220RFECZ R,METAL 1% 220R R613,614 054 LTMF1/4-5600F R,MRS25 560R R615-618 054 LTMK201K5FECZ R,METAL 1% 1.5K R619,620 054 LTMK2220RFECZ R,METAL 1% 220R R621,622 054 LTMK2047KFECZ R,METAL 1% 47K R623,624 054 LTMK2100RFECZ R,METAL 1% 100R R625,626 054 LTMF1/4-6801F R,MRS25 6.8K R627,628 054 LTMF1/4-3901F R,MRS25 3.9K R629,630 054 LTMK2100RFECZ R,METAL 1% 100R R631,632 054 LTMK2001KFECZ R,METAL 1% 1K R633,634 054 LTMK2047RFECZ R,METAL 1% 47R R635-654 054 MPC78-0.22F R,PLATE 2W 0.22R R657,658 054 LTMK2022KFECZ R,METAL 1% 22K R659-662 054 2WS6.8KJF R,METAL 2W 6.8K R663,664 054 LTMK2010RFECZ R,METAL 1% 10R R665,666 054 LTMF3300 R,METAL 330R R667-670 054 LTMK2220RFECZ R,METAL 1% 220R TH601,602 034 TTC-503 THERMISTOR VR601,602 051 LVM6CKPH1S2.2K SEMI-FIXED RESISTOR 017 C-4378A01 HEAT SINKER 019 TO-126 INSULATION SHEET 066 L4TR-2487#7 1P PINJACK(RED) 066 L4TR-2487#8 1P PINJACK(WHT) 068 L4TR-2787#3 CONNECTOR BASE 068 LC-4349A04 3P CONNECTOR WIRE 069 C-3417A FUSE CLIP 069 C-4446A00 SCREW TERMINAL X-1237-01 PCB ASSEMBLY C001044 DE7150F472MSPARK KILLER S001061 C-4176A07POWER SWITCH X-1237-02 PCB ASSEMBLY 069 C-4370A00SCREW TERMINAL X-1237-03 PCB ASSEMBLY C801041 GS100V220-BCAP,ELEC.100V22UF C802041 GS25V101-BCAP,ELEC.25V100UF C803041 GS100V221-DCAP,ELEC.100V220UF C804041 GS100V220-BCAP,ELEC.100V22UF D801034 LT1N4148-86DIODE D802034 RD10EBZENER DIODE D803-806034 LT1N4003-TBDIODE D807,808034 LT1N4148-86DIODE Q801-803032 LT2SC2362KAA-FGTRANSISTOR R801054 1WS5.6KJFR,METAL 1W 5.6K R803 053 CR14-104J-AR,CARBON 100K R804053 CR14-224J-AR,CARBON 220K R805053 CR14-104J-AR,CARBON 100K R806 053 CR14-333J-AR,CARBON 33K R807053 CR14-104J-AR,CARBON 100K R809,810 054 1WS6.8KJFR,METAL 1W 6.8K R811,812053 CR14-104J-AR,CARBON 100K R813,814053 CR14-183J-AR,CARBON 18K R815,816053 CR14-332J-AR,CARBON 3.3K R817,818053 CR14-273J-AR,CARBON 27K 068 L4TR-2787#3CONNECTOR BASE X-1237-04 PCB ASSEMBLY C901.902041 25BGF470MCAP,ELEC.25V470UF D901,902054 RD16EBZENER DIODE Q901033 L2SD600K-EFTRANSISTOR Q902033 L2SB631K-EFTRANSISTOR R901,902054 1WS2.2KJFR,METAL 1W 2.2K R903,904054 1WS5.6KJFR,METAL 1W 5.6K RY901063 EG2-24NURELAY S901064 4TR-2341SLIDE SWITCH 017 C-4401A01HEAT SINKER 019 TO-126INSULATION SHEET X-1237-05,06 PCB ASSEMBLY C501,502044 LS50V100PJCAP,STYROL 50V100PF C505-508041 25BGF100MCAP,ELEC.25V100UF IC501,502031 AD711JNIC R501-504054 LTMK2022KFECZR,METAL 1% 22K R505-508054 LTMK2010KFECZR,METAL 1% 10K R509,510054 LTMK2001KFECZR,METAL 1% 1K 066 C-4575A01CANNON CONNECTOR 068 L4TR-2787#5CONNECTOR BASE HEAT SINKER ASSEMBLY Q617,618032 L2SD1953TRANSISTOR Q623-632033 2SA1492-OPYPOWER TRANSISTOR Q633,634033 L2SB817-DEDRIVER TRANSISTOR Q635,636033 L2SD1047-DEDRIVER TRANSISTOR Q637-646033 2SC3856-OPYPOWER TRANSISTOR 017 LPX4-06A00HEAT SINKER 019 TO-3PINSULATION SHEET OTHERS 011 FP-472SUB PANEL ASSY 011 RV4-02A02H/S FRONT PANEL 012 RV4-09A00PUSH KNOB 14F 014 RV3-07A00UPPER COVER 015 RP-341REAR CHASSIS 019 L4TSH-19#2PLASTIC FOOT 022 T-1037W02POWER TRANSFORMER 034 LBR154POWER DIODE 036 3AG125V12ALONG FUSE for STD 036 5ST6.3MINI FUSE for CEE 041 ALS20S1024XXCAP,ELEC.80V15000UF 044 MKT18-100V104KCAP,FILM 100V0.1UF 054 2WS10JFR,METAL 2W 10R 067 L4TR-2744#1SPEAKER TERMINAL(RED) 067 L4TR-2744#2SPEAKER TERMINAL(BLK) 069 C-1575MINI MFUSE HOLDER 069 C-4200A01LONG FUSE HOLDER 071 LEL4EGG LUG 072 L4TR-670#5AC CORD for STD 072 LC-3763AC CORD for AUSTRALIA 072 C-4572A01AC CORD for UK 072 C-4573A01AC CORD for CEE 081 RV4-15A00INSIDE CARTON 081 Z-200STYROL SIDE MOULDING RadioFans.CN 收音机爱 好者资料库 PCB Assembly 56 Schematic Diagram 78