Rotel RB-1090 Service manual
Quality Uncompromised
®
Technical
Manual
Table of Contents
Specification.....................................1
Parts List..........................................2 ~ 6
Adjustment.......................................7 ~ 8
PCB Assembly.................................9
Schematic Diagram..........................10
Specification
Continuous Power Output 380 wats/ch into 8 ohms
(20-20kHz, < 0.03%) 700 wats/ch into 4 ohms
Total Harmonic Distortion(20-20kHz, 8 ohms) < 0.03 %
STEREO POWER AMPLIFIER
RB-1090-3
Intermodulation Distortion(60Hz : 7kHz, 4:1) < 0.03 %
Frequency Responce ( 1dB) 10 Hz - 100 KHz
Dampning Factor(20-20,000kHz, 8 ohms) 1000
Speaker Impedance(combined load) 4 ohms minimum
Signal to Noise Ratio(IHF A network) 125 dB
Input Impedance / Sensitivity 33 k ohms / 1.8 volt
Power Requirement 115 volts 60 Hz or
230 volts 50 Hz
Power Consumption 800 watts
Dimensions(W x H x D)
Panel Height
Weight (net) 38 kg, 83.6 Lb.
432 x 237 x 406 mm
17
1/8 x 93/9 x 15 inches
221 mm
BUNZAN-SHINSEN-BLD. 4F 10-10 SHINSEN-CHO, SHIBUYA-KU,
TOKYO 150-0045, JAPAN
Serial. NO.
Begining 2311001
Y-316D-0209/pdf
Appearance
2
POWER AMPLIFIER
RB1090
PROTECTION
LR
POWER
RB-1090
UNBALANCED
RIGHT INPUT
BALANCED
BALANCED
UNBALANCED
POWER AMPLIFIER
MODEL NO. RB-1090
POWER CONSUMPTION: 800W
RB-1090
LEFT INPUT
BALANCED
LEFT SPEAKERRIGHT SPEAKER
WARNING: TO REDUCE THE RISK OF FIRE
OR ELECTRICAL SHOCK, DO NOT EXPOSE
THIS EQUIPMENT TO RAIN OR MOISTURE.
UNBALANCED
CAUTION
RISK OF ELECTRIC SHOCK
DO NOT OPEN
AVIS: RISQUE DE CHOC ELECTRIQUE–NE PAS OUVRIR
POWER
Parts List 1/3
RB-1090-2
3
SYMBOL PARTS NO. DESCRIPTION
016 X-1271D01-08 PCB ASSY
501 X-1271D PCB ASSY
L601-602 021 TRL-380 SPEAKER COIL 1.6F 9T
IC701,702 031 MPC1237HA IC (PROTECTION)
IC501,502 031 OPA134PA IC (OPEAMP)
Q621,622 032 A1932 TRANSISTOR 2SA1932
Q619,620 032 C5174 TRANSISTOR 2SC5174
Q613,614,667,668 033 A1209-ST TRANSISTOR 2SA1209-ST
Q902 033 B631-EF TRANSISTOR 2SB631K-EF
Q615,616,669,670 033 C2911-ST TRANSISTOR 2SC2911-ST
Q901 033 D600-EF TRANSISTOR 2SD600K-EF
Q607-612,657-662,747-750 033 TA1016-FG TRANSISTOR 2SA1016KAA-FG
Q751-754 033 TA1376A-LKU TRANSISTOR 2SA1376AT-LKU
Q601-606,651-656,745,746 033 TC2362-FG TRANSISTOR 2SC2362KAA-FG
Q755-758 033 TC3478A-LKU TRANSISTOR 2SC3478AT-LKU
D609-612,903,904 034 T1N4003-TB DIODE 1N4003-E
D601-608,615,616 034 T1N4148-86 DIODE 1N4148TAP-50
D701,702,713,714 034 T1N4148-86 DIODE 1N4148TAP-50
D751-754 034 T1N4148-86 DIODE 1N4148TAP-50
D905,906 034 TRD16JST1 ZENER DIODE 16V (AB2)
D902 034 W02M POWER DIODE 1.5A200V
C910,911 041 25BGF470M ELECTROLYTIC CAPACITOR 25V470uF
C611,612 041 35ZA10MTZ ELECTROLYTIC CAPACITOR 35V10uF
C601,602 041 35ZA4R7MTZ ELECTROLYTIC CAPACITOR 35V4.7uF
C607,608,505-508 041 TEEUFC1E101SB ELECTROLYTIC CAPACITOR 25V100uF
C703,704 041 TUTES1E221-TF ELECTROLYTIC CAPACITOR 25V220uF
C707,708 041 TUTES1E470-TF ELECTROLYTIC CAPACITOR 25V47uF
C717,718 041 TUTES1H100-TF ELECTROLYTIC CAPACITOR 50V10uF
C701,702 041 TUTES1H220-TF ELECTROLYTIC CAPACITOR 50V22uF
C705,706 041 TUTES1H4R7-TF ELECTROLYTIC CAPACITOR 50V4.7uF
C903,904 041 TUTES1J221-TS ELECTROLYTIC CAPACITOR 63V220uF
C623-626 041 VX2A102S ELECTROLYTIC CAPACITOR 100V1000uF
C709,710 042 TP50V223J MYLAR CAPACITOR 0.022uF
C613-616 044 FSC160V221H STYROL CAPACITOR 160V220pF
C627,628 044 FSC160V471H STYROL CAPACITOR 160V470pF
C691,692 044 KT18-2E104J MP CAPACITOR MKT1818-410/254
C501,502 044 S50V100PJ STYROL CAPACITOR 50V100pF
C603,604 044 TFKP2-2A681H P.P CAPACITOR FKP2-100V681H
VR601-604 051 SFR001-222 SEMI-FIXED RESISTOR VM6CKPH1S-2.2K
R1 054 ERQ2ABJP220S FUSE RESISTOR 2W 22
R777,778 054 TMFR401K2 METAL FILM RESISTOR 1/4W 1.2K
R607-610,615-618,908,909 054 TMFR401K5 METAL FILM RESISTOR 1/4W 1.5K
R785,786 054 TMFR401K8 METAL FILM RESISTOR 1/4W 1.8K
R715-730 054 TMFR4010R METAL FILM RESISTOR 1/4W 10
R623,624,629,630 054 TMFR4100R METAL FILM RESISTOR 1/4W 100
R687-690,697,698 054 TMFR4100K METAL FILM RESISTOR 1/4W 100K
R701,702,705,706 054 TMFR4100K METAL FILM RESISTOR 1/4W 100K
R505-508,711,712,(R905) 054 TMFR4010K METAL FILM RESISTOR 1/4W 10K
R703,704 054 TMFR4120K METAL FILM RESISTOR 1/4W 120K
R621,622,643,644,733,734 054 TMFR4150K METAL FILM RESISTOR 1/4W 150K
R775,776 054 TMFR4015K METAL FILM RESISTOR 1/4W 15K
R509,510,631,632,731,732,R766 054 TMFR4001K METAL FILM RESISTOR 1/4W 1K
R691,692 054 TMFR4001M METAL FILM RESISTOR 1/4W 1M
R611,612,619,620,667-670 054 TMFR4220R METAL FILM RESISTOR 1/4W 220
R501-504,699,700,707,708 054 TMFR4022K METAL FILM RESISTOR 1/4W 22K
R627,628 054 TMFR403K9 METAL FILM RESISTOR 1/4W 3.9K
R773,774 054 TMFR4033K METAL FILM RESISTOR 1/4W 33K
R787,788 054 TMFR404K7 METAL FILM RESISTOR 1/4W 4.7K
R633,634 054 TMFR4047R METAL FILM RESISTOR 1/4W 47
R671-686,693-696,781-784 054 TMFR4047K METAL FILM RESISTOR 1/4W 47K
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