Rotel RB-1080 Service manual
Quality Uncompromised
®
Technical
STEREO POWER AMPLIFIER
RB-1080
Manual
Table of Contents
Specification..................................... 1
Parts List .......................................... 2,3
Adjustment....................................... 3
Case Outlines................................... 3
Note On Safety................................. 4
PCB Assembly ................................. 4,6
Schematic Diagram.......................... 7,8
Specification
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” inches
Weight (net) 16.7 kg., 36.74 lb.
SHINSEN-BLD. 4F 10-10 SHINSEN-CHO, SHIBUYA-KU,
TOKYO 150-0045, JAPAN
Serial. NO.
Begining
Y-337A-00125M/S-S
Parts List-1
SYMBOL PARTS NO. DESCRIPTION SYMBOL PARTS NO. DESCRIPTION
X-1177-01,02 PCB ASSY
C601.602
C603.604
C607.608
C609.610
041 50BGF4R7M
044 TFKP2-2A681H
041 25BGF100M
044 FSC160V331H
054 TMF1/4-3302F
CAPACITOR ELEC.50V4.7UF
CAPACITOR FILM 100V680PF
CAPACITOR ELEC.25V100UF
CAPACITOR STYROL 160V330PF
RESISTOR MRS25 33K
C804
D801
D802
D803-806
D807.808
041 UTES2A220-FB ※
034 T1N4148-86
034 RD10EB
034 T1N4003-TB ※
034 T1N4148-86
CAPACITOR ELEC.100V22UF
DIODE
ZENER DIODE
DIODE
DIODE
C611.612
C613-616
C623-626
C627.628
D601-608
D609-612
FU601-604
Q601-606
Q607-612
Q613.614
Q615.616
Q619.620
Q621.622
R601.602
R603.604
R605.606
R607-610
R611.612
R613.614
R615-618
R619.620
R621.622
R623.624
R625.626
R627.628
R629.630
R631.632
R633.634
R635-654
R657.658
041 50BGF10M
044 FSC160V561H
041 VX2A102S ※
044 FSC160V471H
034 T1N4148-86
034 T1N4003-TB
036 5ST6.3 ※
033 TC2362-FG
033 TA1016-FG
033 A1209-ST
033 C2911-ST
033 TC2910-RST
033 TA1208-RST
054 EE10-102
054 EE10-333
054 EE10-471
054 TMFR401K5
054 TMFR4220R
054 TMF1/4-5600F
054 TMFR401K5
054 TMFR4220R
054 TMFR4047K
054 TMFR4100R
054 TMF1/4-6801F
054 TMF1/4-3901F
054 TMFR4100R
054 TMFR4001K
054 TMFR4047R
054 MPC78-0.22F
054 TMFR415K4
CAPACITOR ELEC.50V10UF
CAPACITOR STYROL 160V560PF
CAPACITOR ELEC.100V1000UF
CAPACITOR STYROL 160V470PF
DIODE
DIODE
MINI FUSE 250VT6.3A
TRANSISTOR(2SC2362K-FG)
TRANSISTOR(2SA1016K-FG)
TRANSISTOR(2SA1209-ST)
TRANSISTOR(2SC2911-ST)
TRANSISTOR(2SC2910-RST)
TRANSISTOR(2SA1208-RST)
RESISTOR METAL 1K
RESISTIR METAL 33K
RESISTOR METAL 470R
RESISTOR METAL 1% 1.5K
RESISTOR METAL 1% 220R
RESISTOR MRS25 560R
RESISTOR METAL 1% 1.5K
RESISTOR METAL 1% 220R
RESISTOR METAL 1% 47K
RESISTOR METAL 1% 100R
RESISTOR MRS25 6.8K
RESISTOR MRS25 3.9K
RESISTOR METAL 1% 100R
RESISTOR METAL 1% 1K
RESISTOR METAL 1% 47R
RESISTOR METAL 2W 0.22R
RESISTOR METAL 1% 15.4K
Q801-803
R801
R803
R804
R805
R806
R807
R809
R811.812
R813.814
R815.816
R817.818
C901.902
D901.902
Q901
Q902
R901.902
R903.904
RY901
S901
C501.502
C505-508
IC501.502
R501-504
R505-508
032 TC2362-FG
054 1WS6.8KJF
053 CR14-104J-A
053 CR14-224J-A
053 CR14-104J-A
053 CR14-333J-A
053 CR14-104J-A
054 1WS6.8KJF
053 CR14-104J-A
053 CR14-183J-A
053 CR14-332J-A
053 CR14-273J-A
X-1237-04 PCB ASSEMBLY
041 25BGF470M
034 RD16EB
033 D600-EF
033 B631-EF
054 1WS2.2KJF
054 1WS5.6KJF
063 V23106-24
064 4TR-2341
017 C-4401A01
019 TO-126
X-1237-05,06 PCB ASSY
044 S50V100PJ
041 25BGF100M
031 AD711JN
054 TMFR4022K
054 TMFR4010K
TRANSISTOR(2SC2362K-FG)
RESISTOR METAL 1W 6.8K
RESISTOR CARBON 100K
RESISTOR CARBON 220K
RESISTOR CARBON 100K
RESISTOR CARBON 33K
RESISTOR CARBON 100K
RESISTOR METAL 1W 6.8K
RESISTOR CARBON 100K
RESISTOR CARBON 18K
RESISTOR CARBON 3.3K
RESISTOR CARBON 27K
CAPACITOR ELEC.25V470UF
ZENER DIODE
TRANSISTOR(2SD600K-EF)
TRANSISTOR(2SB631K-EF)
RESISTOR METAL 1W 2.2K
RESISTOR METAL 1W 5.6K
RELAY (PROTECTION)
SLIDE SWITCH
HEAT SINKER
INSULATION SHEET
CAPACITOR STYROL 50V100PF
CAPACITOR ELEC.25V100UF
IC(OPE AMP)
RESISTOR METAL 1% 22K
RESISTOR METAL 1% 10K
R659-662
R663.664
R665.666
R667-670
TH601.602
VR601.602
C801
C802
C803
054 2WS6.8KJF
054 TMFR4010R
054 TMF3300
054 TMFR4220R
034 TTC-503
051 SFR001-222
017 C-4378A01
019 TO-126
066 4TR-2487#7
066 4TR-2487#8
068 C-4349A04
069 C-3417A
069 C-4446A00
X-1237-02 PCB ASSEMBLY
069 C-4370A00
X-1237-03 PCB ASSEMBLY
041 UTES2A220-FB
041 UTES1E101-FB
041 UTES2A221 ※
RESISTOR METAL 2W 6.8K
RESISTOR METAL 1% 10R
RESISTOR METAL 330R
RESISTOR METAL 1% 220R
THERMISTOR
SEMI-FIXED RESISTOR 2.2K
HEAT SINKER
INSULATION SHEET
1P PINJACK (RED)
1P PINJACK (WHT)
3P CONNECTOR WIRE
FUSE CLIP
SCREW TERMINAL
SCREW TERMINAL
CAPACITOR ELEC.100V22UF
CAPACITOR ELEC.25V100UF
CAPACITOR ELEC.100V220UF
R509.510
C001
S901
C101
C102
D101
D102
F101
Q101
R101
R102
R103
RY101
T101
2
054 TMFR4001K
066 C-4575A01
X-1283 PCB ASSEMBLY
044 DE1307E472M ※
061 C-4176A07 ※
X-1291-01 PCB ASSEMBLY
041 UTES1E471
044 DE1307E472M ※
034 W02M ※
034 T1N4148-86
036 5ST500 ※
032 TC3708-ST
054 1WS120JF
053 CR14-333J-A
053 CR14-152J-A
063 OZ-SH-112LM1 ※
022 T-1075N01 ※
069 C-3417A
RESISTOR METAL 1% 1K
CANNON CONNECTOR
SPARK KILLER
POWER SWITCH
CAPACITOR ELEC.25V470UF
SPARK KILLER
BRIDGED DIODE
DIODE
MINI FUSE 250VT500MA
TRANSISTOR
RESISTOR METAL 1W 120R
RESISTOR CARBON 33K
RESISTOR CARBON 1.5K
RELAY (POWER)
SUB TRANSFORMER
FUSE CLIP
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