Rotel-RB993-pwr-sm维修电路原理图.pdf

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1、T echnical Manual THREE-CHANNEL POWER AMPLIFIER RB-993 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. Total Harmonic Distortion(20 Hz-20 kHz, 8 ohms) 0

2、.03% Intermodulation Distortion(60 Hz: 7 kHz, 4:1) 0.03% Frequency Response(+0.5dB,-3dB) 15-100K Hz, Damping Factor(20-20,000 Hz, 8 ohms) 1000 Speaker Impedance (Normal mode) 4 ohms minimum Signal to Noise Ratio(IHF A network) 116 dB Input Impedance/Sensitivity 32 k Ohms/1.5 volt Power Requirements

3、115 Volts, 60 Hz or 230 Volts, 50 Hz Power Consumption 600 Watts Dimensions (W, H, D) 440 x 121 x 385 mm 173/8 x 43/4 x 153/16 in Weight (net) 18.3 kg, 40.3 lb BUNZAN-SHINSEN-BLD. 4F 10-10 SHINSEN-CHO, SHIBUYA-KU, TOKYO 150-0045, JAPAN Serial. NO. Begining Wiring Diagram Quality Uncompromised Y-313A

4、-98095C/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 X-1253-01 PCB ASSEMBLY C10104150BGF4R7MCAP,ELEC.50V4.7UF C102044TFKP2-100V681HCAP,FILM 100V680PF C103044LFSC160V471HCAP,STYROL 160

5、V470PF C104044LFSC160V221HCAP,STYROL 160V220PF C10504125BGF100MCAP,ELEC.25V100UF C10704150BGF10MCAP,ELEC.50V10UF C108044LFSC160V331HCAP,STYROL 160V330PF C109044LS50V100PJCAP,STYROL 50V100OF C110,11104125BGF100MCAP,ELEC.25V100UF C901,90204125BGF470MCAP,ELEC.25V470UF D101-104034LT1N4148-86DIODE D901,9

6、02034TRD16JST1ZENER DIODE IC101031LNE5534ANIC Q101-103033LT2SC2362KAA-FG TRANSISTOR Q104-106033LT2SA1016KAA-FG TRANSISTOR Q1070332SA1142-EPQTRANSISTOR Q1080332SC2682-EPQTRANSISTOR Q901033L2SD600K-EFTRANSISTOR Q902033L2SB631K-EFTRANSISTOR R101054LTMK2001KFECZR,METAL 1% 1K R102054LTMK2033KFECZR,METAL

7、1% 33K R103054LTMK2470RFECZR,METAL 1% 470R R104-107054LTMK201K5FECZR,METAL 1% 1.5K R108054LTMK2560RFECZR,METAL 1% 560R R109054LTMK2010RFECZR,METAL 1% 10R R110,111054LTMK2220RFECZR,METAL 1% 220R R112054LTMK2047KFECZR,METAL 1% 47K R113,114054LTMK2100RFECZR,METAL 1% 100R R115054LTMK206K8FECZR,METAL 1%

8、6.8K R116054LTMK203K9FECZR,METAL 1% 3.9K R118-121054LTMK2010KFECZR,METAL 1% 10K R122054LTMK2033KFECZR,METAL 1% 33K R133054LTMK2022KFECZR,METAL 1% 22K R134054LTMF3300R,METAL 330R R901,9020541WS2.2KJFR,METAL 1W 2.2K R903,9040541WS5.6KJFR,METAL 1W 5.6K VR101051LVM6CKPV1S2.2K SEMI-FIXED RESISTOR 017L4TR

9、-2792#3SUB HEAT SINKER 019TO-126INSULATION SHEET 066L4TR-2487#41P PINJACK 066C-4575A013P CANNON CONNECTOR X-1253-02 PCB ASSEMBLY C906-909041ALS20S1024XXCAP,ELEC.80V15000UF 069C-4446A00SCREW TERMINAL X-1253-03 PCB ASSEMBLY C119044MKT18-100V104KCAP,FILM 100V0.1UF R1660542WS10JFR,METAL 2W 10R 0674TR-32

10、22SPEAKER TERMINAL X-1254-01 PCB ASSEMBLY C113,114044LFSC160V561HCAP,STYROL 160V560PF C117,118041UVX2A102MRAYCAP,ELEC.100V1000UF C120041UTSS1E100-FBCAP,ELEC.25V10UF C121041UTSS1E221-FBCAP,ELEC.25V220UF C122041UTSS1H4R7-FBCAP,ELEC.50V4.7UF C123041UTSS1E470-FBCAP,ELEC.25V47UF D105,106034LT1N4003-TBDIO

11、DE D107,108034LT1N4148-86DIODE F101,1020365ST6.3MINIFUSE 250V6.3A IC102031MPC1237HAIC Q109033LT2SC2910AE-RSTTRANSISTOR Q110033LT2SA1208AE-RST TRANSISTOR Q119033LT2SC2362KAA-FG TRANSISTOR Q120,121033LT2SA1016KAA-FG TRANSISTOR Q122033LT2SC2362KAA-FG TRANSISTOR R123,124054LTMK2220RFECZR,METAL 1% 220R R

12、125054LTMK2001KFECZR,METAL 1% 1K R126054LTMK2047RFECZR,METAL 1% 47R R127-132054NIR2-0.22JFR,METAL 2W 0.22R R147053CR14-391J-AR,CARBON 390R R148053CR14-223J-AR,CARBON 22K R149053CR14-122J-AR,CARBON 1.2K R150053CR14-153J-AR,CARBON 15K R151053CR14-561J-AR,CARBON 560R R152053CR14-333J-AR,CARBON 33K R153

13、053CR14-472J-AR,CARBON 4.7K R154053CR14-473J-AR,CARBON 47K R155,156053CR14-104J-AR,CARBON 100K R157053CR14-124J-AR,CARBON 120K R158053CR14-683J-AR,CARBON 68K R159053CR14-153J-AR,CARBON 15K R160053CR14-473J-AR,CARBON 47K R1610541WS1.2KJFR,METAL 1W 1.2K R162053CR14-824J-AR,CARBON 820K R163053CR14-103J

14、-AR,CARBON 10K R164,1650542WS6.8KJFR,METAL 2W 6.8K R167053CR14-182J-AR,CARBON 1.8K RY101063DH24D2-OT(M)RELAY TH101034TTC-503THERMISTOR 069C-3417AFUSECLIP 069C-4446A00SCREW TERMINAL X-1254-04 PCB ASSEMBLY C903041UTES2A220-FBCAP,ELEC.100V22UF C910041UTES2A221-FACAP,ELEC.100V220UF D903,904034LT1N4003-T

15、BDIODE Q903033L2SD600K-EFTRANSISTOR R9050542WS180JFR,METAL 2W 180R R906053CR14-562J-AR,CARBON 5.6K R907053CR14-822J-AR,CARBON 8.2K R9080541WS15KJFR,METAL1W15K TH901,902034SCK2R512SURGE CURRENT THERMISTOR 017C-4401A01SUB HEAT SINKER 019TO-126INSULATION SHEET X-1254-05 PCB ASSEMBLY C904044DE7150F472M

16、SPARK KILLER S001061C-4176A07 POWER SWITCH HEAT SINKER ASSEMBLY Q111033L2SD1047-DEDRIVER TRANSISTOR Q112033L2SB817-DEDRIVER TRANSISTOR Q113-1150332SC5200-ORPOWER TRANSISTOR Q116-1180332SA1943-ORPOWER TRANSISTOR Q123032L2SD1953TRANSISTOR 019TO-126INSULATION SHEET 019TO-3PINSULATION SHEET 201 SAME AS

17、101, 301 SAME AS 102, OTHERS 011FP-473FRONT PANEL 011RV4-02A03H/S FRONT PANEL(L) 011RV4-02A04H/S FRONT PANEL(R) 012RV4-09A00PUSH KNOB 14F 014RV3-07A00UPPER COVER 015RP-343REAR CHASSIS 019L4TSH-19#2PLASTIC FOOT 022T-1057U02POWER TRANSFORMER 034LBR254POWER DIODE 063A-0710W-15ABRAKER 072L4TR-670#5AC CO

18、RD for STD 072LC-3763AC CORD for AUSTRALIA 072C-4572A01AC CORD for UK 072C-4573A01AC CORD for CEE 081RV4-17A00INSIDE CARTON 081Z-200STYROL SIDE MOULDING 43 2SA1016K 2SC2362K 2SA1208 2SC2910 Instruments : DC millivoltmeter Notes : Prior to Bias Adjustment, run about 5minutes with rated output(8ohms)

19、and warm up Power Transistor and Heat Sink. Set input off. Step X-1253-01 PCB TP1 X-1253-02 PCB TP2 X-1253-03 PCB TP3 X-1254-01 PCB VR101 X-1254-01 PCB VR201 X-1254-01 PCB VR301 1 2 3 Coupling LocationAdjust LocationAdjust for DC millivoltmeter reads 7mV Adjustment 2SA1142 2SC2682 2SB631K 2SD600K 2SD1953 NE5534AN2SB817 2SD1047 2SA1943 2SC5200 MPC1237HA RadioFans.CN 收音机爱 好者资料库 PCB Assembly 56 Schematic Diagram 78