Rotel RB-1050 Service manual
Quality Uncompromised
®
Technical
Manual
Table of Contents
Specification...................................... 1
Parts List ...........................................2~3
Adjustment........................................ 3
Case Outlines.................................... 4
Note On Safety.................................. 4
PCB Assembly .................................. 5~6
Schematic Diagram .......................... 7~8
Specification
Continuous Power Output 70 watts/ch
(20 - 20 kHz, <0.03%, 8 ohms)
Total Harmonic Distortion <0.03 %
(20 - 20 kHz, 8 ohms)
Intermodulation Distortion <0.03 %
(60 Hz : 7 kHz 4 : 1)
Frequency Response (±1 db) 10 Hz - 100 kHz
Damping Factor (20-20,000 Hz, 8 ohms) 500
Speaker Impedance (Normal mode) 4 ohms minimum
Signal to Noise Ratio (IHF A network) 116 dB
Input Impedance / Sensitivity 33 k ohms / 1.0 volt
Power Requirements 115 volts, 60 Hz (U.S. version)
Power Consumption 250 Watts
Dimensions (W x H x D) 430 x 92 x 350 mm
Weight (net) 8.1 kg / 17.86 lb.
STEREO/MONO POWER AMPLIFIER
RB-1050
230 volts, 50 Hz (European version)
1615/16 x 35/8 x 1313/16 ins.
SHINSEN-BLD. 4F 10-10 SHINSEN-CHO, SHIBUYA-KU,
TOKYO 150-0045, JAPAN
Serial. NO.
Beginning
Y-329A-000125C/S-S
Parts List-1
SYMBOL PARTS NO. DESCRIPTION SYMBOL PARTS NO. DESCRIPTION
X-1296-01 PCB ASSEMBLY
C601.602
C603.604
C605.606
C607.608
C609.610
041 50BGF4R7M
044 TFKP2-2A681H
044 FSC160V221H
041 25BGF100M
044 FSC160V331H
CAPACITOR ELEC.50V4.7UF
CAPACITOR FILM 100V680PF
CAPACITOR STYROL 160V220PF
CAPACITOR ELEC.25V100UF
CAPACITOR STYROL 160V330PF
R619.620
R621.622
R623.624
R625.626
R627.628
054 TMFR4220R
054 TMFR4047K
054 TMFR4100R
054 TMF1/4-6801F
054 TMF1/4-3901F
RESISTOR METAL 1% 220R
RESISTOR METAL 1% 47K
RESISTOR METAL 1% 100R
RESISTOR MRS25 6.8K
RESISTOR MRS25 3.9K
C611.612
C613-616
C617.618
C623.624
C651.652
C653
C654
C701.702
C703
C704
C705
C706
C707
C708
C901-908
C909-912
C913
D601-608
D609-612
D651.652
D653
D654
D701.702
D901.902
D903
041 50BGF10M
044 FSC160V561H
044 FSC160V471H
044 KT18-2A104K
041 UTES1E100-FB
041 UTES1E101-FB
041 UTES1E470-FB
044 50MSAN104J
042 TP50V183J
041 UTES1E100-FB
044 50MSAN104J
042 TP50V103J
041 TUTES1C471-TF
041 UTES1E101-FB
043 TC500V103
041 ALC20S1022DF ※
041 UTES1J221
034 T1N4148-86
034 T1N4003-TB
034 T1N4148-86
034 TRD5.6JST1
034 T1N4148-86
034 T1N4148-86
034 BR84 ※
034 T1N4148-86
CAPACITOR ELEC.50V10UF
CAPACITOR STYROL 160V560PF
CAPACITOR STYROL 160V470PF
CAPACITOR FILM 100V0.1UF
CAPACITOR ELEC.25V10UF
CAPACITOR ELEC.25V100UF
CAPACITOR ELEC.25V47UF
CAPACITOR FILM 50V0.1UF
CAPACITOR MYLAR 50V0.018UF
CAPACITOR ELEC.25V10UF
CAPACITOR FILM 50V0.1UF
CAPACITOR MYLAR 50V0.01UF
CAPACITOR ELEC.16V470UF
CAPACITOR ELEC.25V100UF
CAPACITOR CERA.500V0.01UF
CAPACITOR ELEC.50V8200UF
CAPACITOR ELEC.63V220UF
DIODE
DIODE
DIODE
ZENER DIODE
DIODE
DIODE
BRIDGED DIODE
DIODE
R629.630
R631.632
R633.634
R635.636
R639-642
R645.646
R647.648
R651.652
R653.654
R655-658
R661.662
R663.664
R665.666
R667.668
R669.670
R671.672
R673.674
R675.676
R677.678
R679
R680
R681
R682
R683
R684
054 TMFR4100R
054 TMFR4001K
054 TMFR4047R
054 NIR2-0.22JF
054 NIR2-0.22JF
054 NIR2-0.22JF
054 1WS10JF
054 TMFR4012K
054 TMF3300
054 TMFR4220R
054 TMF8200
054 TMF2202
054 TMF1502
053 CR14-681J-A
053 CR14-273J-A
053 CR14-122J-A
053 CR14-472J-A
053 CR14-473J-A
053 CR14-104J-A
053 CR14-153J-A
053 CR14-563J-A
053 CR14-153J-A
053 CR14-104J-A
053 CR14-474J-A
053 CR14-682J-A
RESISTOR METAL 1% 100R
RESISTOR METAL 1% 1K
RESISTOR METAL 1% 47R
RESISTOR METAL 2W 0.22R
RESISTOR METAL 2W 0.22R
RESISTOR METAL 2W 0.22R
RESISTOR METAL 1W 10R
RESISTOR METAL 1% 12K
RESISTOR METAL 330R
RESISTOR METAL 1% 220R
RESISTOR METAL 820R
RESISTOR METAL 22K
RESISTOR METAL 15K
RESISTOR CARBON 680R
RESISTOR CARBON 27K
RESISTOR CARBON 1.2K
RESISTOR CARBON 4.7K
RESISTOR CARBON 47K
RESISTOR CARBON 100K
RESISTOR CARBON 15K
RESISTOR CARBON 56K
RESISTOR CARBON 15K
RESISTOR CARBON 100K
RESISTOR CARBON 470K
RESISTOR CARBON 6.8K
D904.905
F601-604
IC651
IC701
PJ1.2
Q601-606
Q607-612
Q613.614
Q615.616
Q619.620
Q621.622
Q651.652
Q653-656
Q657-659
Q701-704
Q902
R601.602
R603.604
R605.606
R607.608
R609.910
R611.612
R613.614
R615.616
R617.618
034 T1N4003-TB※
036 5ST3.15※
031 MPC1237HA
031 NJM555D
066 4TR-2709#3
033 TC2362-FG
033 TA1016-FG
033 B631-EF
033 D600-EF
033 TC3478A-LKU
033 TA1376A-LKU
032 TC536-FG
032 TA608-FG
032 TC536-FG
032 TC536-FG
032 TC536-FG
054 EE10-102
054 EE10-333
054 TMFR4470R
054 TMFR401K5
054 TMFR4270R
054 TMFR4220R
054 TMF1/4-5600F
054 TMFR401K5
054 TMFR4270R
DIODE
MINI FUSE 250VT3.15A
IC(PROTECTION)
IC(TIMER)
2P PINJACK
TRANSISTOR(2SC2362K-FG)
TRANSISTOR(2SA1016K-FG)
TRANSISTOR(2SB631K-EF)
TRANSISTOR(2SD600K-EF)
TRANSISTOR(2SC3478A-LKU)
TRANSISTOR(2SA1376A-LKU)
TRANSISTOR(2SC536K-FG)
TRANSISTOR(2SA608K-FG)
TRANSISTOR(2SC536K-FG)
TRANSISTOR(2SC536K-FG)
TRANSISTOR(2SC536K-FG)
RESISTOR METAL 1K
RESISTOR METAL 33K
RESISTOR METAL 1% 470R
RESISTOR METAL 1% 1.5K
RESISTOR METAL 1% 270R
RESISTOR METAL 1% 220R
RESISTOR MRS25 560R
RESISTOR METAL 1% 1.5K
RESISTOR METAL 1% 270R
R685.686
R687.688
R701.702
R703
R704
R705
R706
R707
R708.709
R710
R711
R712
R713
R720
R901
R902
R903
R904
R905
R921
RY601
RY901
SP1
TH651.652
VR601.602
053 CR14-182J-A
053 CR14-124J-A
053 CR14-104J-A
053 CR14-224J-A
053 CR14-124J-A
053 CR14-103J-A
053 CR14-101J-A
053 CR14-473J-A
053 CR14-104J-A
053 CR14-105J-A
053 CR14-473J-A
053 CR14-564J-A
054 1WS3.3KJF
054 1WS3.3KJF
053 CR14-223J-A
054 1WS1.5KJF
053 CR14-822J-A
054 ERQ12AJ2R2P※
054 1WS1.5KJF
053 CR14-222J-A
063 DH2TU-24
063 DH2U-24※
067 C-4493A00
034 TTC-503
051 SFR002-222
RESISTOR CARBON 1.8K
RESISTOR CARBON 120K
RESISTOR CARBON 100K
RESISTOR CARBON 220K
RESISTOR CARBON 120K
RESISTOR CARBON 10K
RESISTOR CARBON 100R
RESISTOR CARBON 47K
RESISTOR CARBON 100K
RESISTOR CARBON 1M
RESISTOR CARBON 47K
RESISTOR CARBON 560K
RESISTOR METAL 1W 3.3K
RESISTOR METAL 1W 3.3K
RESISTOR CARBON 22K
RESISTOR METAL 1W 1.5K
RESISTOR CARBON 8.2K
FUSIBLE RESISTOR 2.2R
RESISTOR METAL 1W 1.5K
RESISTOR CARBON 2.2K
RELAY (SPEAKER)
RELAY (POWER)
SPEAKER TERMINAL
THERMISTOR
SEMI-FIXED RESISTOR 2.2K
2
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