Quality Uncompromised

T echnical Manual

Table of Contents

Specification..1 Parts List..2 ~ 6 Adjustment..7 ~ 8 PCB Assembly..9 Schematic Diagram.10

STEREO POWER AMPLIFIER

RB-1090-3

Specification

Continuous Power Output (20-20kHz, < 0.03%) Total Harmonic Distortion(20-20kHz, 8 ohms) Intermodulation Distortion(60Hz : 7kHz, 4:1) Frequency Responce ( 1dB) Dampning Factor(20-20,000kHz, 8 ohms) Speaker Impedance(combined load) Signal to Noise Ratio(IHF A network) Input Impedance / Sensitivity Power Requirement Power Consumption
Dimensions(W x H x D) Panel Height Weight (net)
380 wats/ch into 8 ohms 700 wats/ch into 4 ohms < 0.03 % < 0.03 % 10 Hz - 100 KHz ohms minimum 125 dB 33 k ohms / 1.8 volt 115 volts 60 Hz or 230 volts 50 Hz 800 watts
432 x 237 x 406 mm 171/8 x 93/9 x 15 inches 221 mm 38 kg, 83.6 Lb.
BUNZAN-SHINSEN-BLD. 4F 10-10 SHINSEN-CHO, SHIBUYA-KU, TOKYO 150-0045, JAPAN

Serial. NO.

Begining 2311001

Y-316D-0209/pdf

Appearance

POWER AMPLIFIER RB1090

RB-1090

PROTECTION L R

RIGHT INPUT
BALANCED UNBALANCED BALANCED

LEFT INPUT

BALANCED UNBALANCED

UNBALANCED

POWER AMPLIFIER MODEL NO. RB-1090 POWER CONSUMPTION: 800W

CAUTION

RISK OF ELECTRIC SHOCK DO NOT OPEN AVIS: RISQUE DE CHOC ELECTRIQUENE PAS OUVRIR

RIGHT SPEAKER

LEFT SPEAKER
W ARNING: TO REDUCE THE RISK OF FIRE
OR ELECTRICAL SHOCK, DO NOT EXPOSE THIS EQUIPMENT TO RAIN OR MOISTURE.

Parts List 1/3

SYMBOL PARTS NO. 016 X-1271D01-08 PCB ASSY
L601-602 IC701,702 IC501,502 Q621,622 Q619,620 Q613,614,667,668 Q902 Q615,616,669,670 Q901 Q607-612,657-662,747-750 Q751-754 Q601-606,651-656,745,746 Q755-758 D609-612,903,904 D601-608,615,616 D701,702,713,714 D751-754 D905,906 D902 C910,911 C611,612 C601,602 C607,608,505-508 C703,704 C707,708 C717,718 C701,702 C705,706 C903,904 C623-626 C709,710 C613-616 C627,628 C691,692 C501,502 C603,604 VR601-604 R1 R777,778 R607-610,615-618,908,909 R785,786 R715-730 R623,624,629,630 R687-690,697,698 R701,702,705,706 R505-508,711,712,(R905) R703,704 R621,622,643,644,733,734 R775,776 R509,510,631,632,731,732,R766 R691,692 R611,612,619,620,667-670 R501-504,699,700,707,708 R627,628 R773,774 R787,788 R633,634 R671-686,693-696,781-X-1271D 021 TRL-MPC1237HA 031 OPA134PA 032 ACA1209-ST 033 B631-EF 033 C2911-ST 033 D600-EF 033 TA1016-FG 033 TA1376A-LKU 033 TC2362-FG 033 TC3478A-LKU 034 T1N4003-TB 034 T1N4148-T1N4148-T1N4148-TRD16JSTW02M 041 25BGF470M 041 35ZA10MTZ 041 35ZA4R7MTZ 041 TEEUFC1E101SB 041 TUTES1E221-TF 041 TUTES1E470-TF 041 TUTES1H100-TF 041 TUTES1H220-TF 041 TUTES1H4R7-TF 041 TUTES1J221-TS 041 VX2A102S 042 TP50V223J 044 FSC160V221H 044 FSC160V471H 044 KT18-2E104J 044 S50V100PJ 044 TFKP2-2A681H 051 SFR001-ERQ2ABJP220S 054 TMFR401KTMFR401KTMFR401KTMFR4010R 054 TMFR4100R 054 TMFR4100K 054 TMFR4100K 054 TMFR4010K 054 TMFR4120K 054 TMFR4150K 054 TMFR4015K 054 TMFR4001K 054 TMFR4001M 054 TMFR4220R 054 TMFR4022K 054 TMFR403KTMFR4033K 054 TMFR404KTMFR4047R 054 TMFR4047K PCB ASSY SPEAKER COIL 1.6F 9T IC (PROTECTION) IC (OPEAMP) TRANSISTOR 2SA1932 TRANSISTOR 2SC5174 TRANSISTOR 2SA1209-ST TRANSISTOR 2SB631K-EF TRANSISTOR 2SC2911-ST TRANSISTOR 2SD600K-EF TRANSISTOR 2SA1016KAA-FG TRANSISTOR 2SA1376AT-LKU TRANSISTOR 2SC2362KAA-FG TRANSISTOR 2SC3478AT-LKU DIODE 1N4003-E DIODE 1N4148TAP-50 DIODE 1N4148TAP-50 DIODE 1N4148TAP-50 ZENER DIODE 16V (AB2) POWER DIODE 1.5A200V ELECTROLYTIC CAPACITOR 25V470uF ELECTROLYTIC CAPACITOR 35V10uF ELECTROLYTIC CAPACITOR 35V4.7uF ELECTROLYTIC CAPACITOR 25V100uF ELECTROLYTIC CAPACITOR 25V220uF ELECTROLYTIC CAPACITOR 25V47uF ELECTROLYTIC CAPACITOR 50V10uF ELECTROLYTIC CAPACITOR 50V22uF ELECTROLYTIC CAPACITOR 50V4.7uF ELECTROLYTIC CAPACITOR 63V220uF ELECTROLYTIC CAPACITOR 100V1000uF MYLAR CAPACITOR 0.022uF STYROL CAPACITOR 160V220pF STYROL CAPACITOR 160V470pF MP CAPACITOR MKT1818-410/254 STYROL CAPACITOR 50V100pF P.P CAPACITOR FKP2-100V681H SEMI-FIXED RESISTOR VM6CKPH1S-2.2K FUSE RESISTOR 2W 22 METAL FILM RESISTOR 1/4W 1.2K METAL FILM RESISTOR 1/4W 1.5K METAL FILM RESISTOR 1/4W 1.8K METAL FILM RESISTOR 1/4W 10 METAL FILM RESISTOR 1/4W 100 METAL FILM RESISTOR 1/4W 100K METAL FILM RESISTOR 1/4W 100K METAL FILM RESISTOR 1/4W 10K METAL FILM RESISTOR 1/4W 120K METAL FILM RESISTOR 1/4W 150K METAL FILM RESISTOR 1/4W 15K METAL FILM RESISTOR 1/4W 1K METAL FILM RESISTOR 1/4W 1M METAL FILM RESISTOR 1/4W 220 METAL FILM RESISTOR 1/4W 22K METAL FILM RESISTOR 1/4W 3.9K METAL FILM RESISTOR 1/4W 33K METAL FILM RESISTOR 1/4W 4.7K METAL FILM RESISTOR 1/4W 47 METAL FILM RESISTOR 1/4W 47K

RB-1090-2

DESCRIPTION

Parts List 2/3

SYMBOL
R771,772,779,780,613,614 R657,658 R713,714,625,626 (R905) R709,710 R663,664 R789,790 R655,656 R659-662 R763-765,767-770 R751-758 R759-762 R665,666 R635-642,645-652 R653,654 R601,602 R603,604 R613,R614 S901 RY601,602 S401 DJ1,DJ2 CON1,CON2 N1,N2,P1,P2,OUT1,OUT2

PARTS NO.

054 TMFR4560R 054 TMFR4056K 054 TMFR406KTMFR406KTMFR4068K 054 1WS10JF 054 1WS330JF 054 3WS10JF 054 3WS6.8KJF 054 MF16-1001-A 054 MF16-22R0-A 054 MF16-6801-A 054 TMFMPC74-0.22F 054 MPC71-1F 054 TRC55Z1501F 054 TRC55Z3302F 054 TRC55Z5600F 061 C-4176ADE2TU-C-4613AC-4575AC-3683#C-4446A00
METAL FILM RESISTOR 1/4W 560 METAL FILM RESISTOR 1/4W 56K METAL FILM RESISTOR 1/4W 6.8K METAL FILM RESISTOR 1/4W 6.8K METAL FILM RESISTOR 1/4W 68K METAL OXIDE FILM RESISTOR 1W 10 METAL OXIDE FILM RESISTOR 1W 330 METAL OXIDE FILM RESISTOR 3W 10 METAL OXIDE FILM RESISTOR 3W 6.8K MOF RESISTOR 1/6W 1K MOF RESISTOR 1/6W 22 MOF RESISTOR 1/6W 6.8K MOF RESISTOR 330 RESISTOR PLATE 5W 0.22 RESISTOR PLATE 5W 1 RESISTOR RC55Z 1.5K RESISTOR RC55Z 33K RESISTOR RC55Z 560 POWER SWITCH PS3-22-L3AV TV-8 (4P PCB) RELAY DE24D2-OT(M) TOGGLE SWITCH 200DP1T2B2M7RE 3P CANON JACK (FEMALE) YKF52-5006 PCB TERMINAL 3P P7.5 TP WE-12 I-753NA PCB TERMINAL Y-105
016 X-1291_01-02 PCB ASSY
T101 D101 F101 F903 C101 R106 K104 AC1.ACX-1291E 022 T-1075NW02M 036 5STR251-TUTES1E471-TS 054 1WS120JF 068 C-3681#C-4422A01 PCB ASSY SUB TRANSFORMER (with 016 X1291E) POWER DIODE 1.5A 200V FUSE 250VT500MA FUSE F250MA ELECTROLYTIC CAPACITOR 25V470uF MOF RESISTOR 1W 120 WRAPPING TERMINAL 2P WRAPPING TERMINAL 2P
016 E-1328A00 PCB ASSY (Surge Absorber)
TH902 D910 C920 R901 R901 RY901 TH901 TM1,TM4,TM5,TM6 TM2,TM3 ACN,ACL 501 E-1328A 034 SCK2RTIN4148-DE1307E472M 054 RWH20G10RJ 054 RWH20G5RJ 063 OZT-SS-112LMUI300B 068 C-3683#C-3683#C-4370A00 PCB ASSY SURGE CURRENT THERMISTOR 5 DIODE 1N4148TAP-50 SPARK KILLER 4700pF RESISTOR 20W 10 (for 230V VERSION) RESISTOR 20W 5 (for 115V VERSION) RELAY DC 12V TV8 OZT-SS-112LM1 THERMOSTAT UI-2 PCB TERMINAL 2P P7.5 TP WE-11 I-752NA WRAPPING PIN TERMINAL 4P PCB TERMINAL Y-102
016 X-1348A00 PCB ASSY (Delay)
T11 T12 D11 C11 R11,12,14 R13 KX-1348-A 032 TA608-FG 032 TC536-FG 034 TRD4.7JSTTUTES1H100-TF 053 CR14-103J-A 053 CR14-334J-A 068 C-3681#3 PCB ASSY TRANSISTOR 2SA608KAA-FG TRANSISTOR 2SC536KAA-F ZENER DIODE 4.7V (AB2) ELECTROLYTIC CAPACITOR 50V10uF CARBON RESISTOR 1/4W 10K CARBON RESISTOR 1/4W 330K WRAPPING TERMINAL 4P

HEAT SINKER ASSEMBLY

Q617,618 Q633,634 Q623-DA1294-OY 033 A1295-OY TRANSISTOR 2SD1953 TRANSISTOR 2SA1294-OY TRANSISTOR 2SA1295-OY

Parts List 3/3

Q635,636 Q637-644
033 C3263-OY 033 C3264-OY 019 TO-3P 019 TO-3P2
TRANSISTOR 2SC3263-OY TRANSISTOR 2SC3264-OY INSULATION SHEET(S) INSULATION SHEET(L)

OTHERS

011 FP-499A-B 011 FP-499A-S 011 SG4-02CRV4-09ARV4-09ASG4-05ASG4-05ASG3-18ARP-354C 019 C-4638AC-670#C-4418APK4-07A00T 022 T-1061UT-1064UBRLTL1214A 034 SEL1124R 034 SEL1E24W 036 5STALS30S1072MF 067 C-4717AC-4717AC-4637AC-4392AC-4393AC-4423AC-4639ASG3-22BSG3-23BSG4-24AZ-OMRB-1090-1 BLACK PANEL ASSY SILVER PANEL ASSY H/S PANEL PUSH BUTTON 14F (BLACK) PUSH BUTTON 14F (SILVER) SUB PANEL SUPPORT(BLACK). SUB PANEL SUPPORT(SILVER). UPPER COVER REAR CHASSIS CASTER 32 FELT 56 (for FOOT) PLASTIC FOOT 26 METAL FOOT 60 POWER TRANSFORMER POWER TRANSFORMER POWER SIODE 25A 400V LED (RED) 2 LED (RED) 1X5 LED (BLU) 1X5 FUSE 250V10A ELECTROLYTIC CAPACITOR 100V22000uF SPEAKER TERMINAL (BLACK) SPEAKER TERMINAL (RED)) AC INLET(3P) 0707-1-CW AC CORD SET (SJT AWG14) for USA AC CORD SET for EUROPE AC CORD SET for AUSTRALIA AC CORD SET for U.K. INSIDE CARTON -V01 SHIPPING CARTON -V01 PACKING (for INSIDE CARTON) STYROL MOULDING OWNER'S MANUAL(EFGISD)

T001 T002 D004,D005

C001-C008 SP2A,SP2B SP2A,SP2B
Addendum List for Black and Silver

RB1090

PARTS 011 FP-499A-B 011 FP-499A-S 011 SG4-02CRV4-09ARV4-09ASG4-05ASG4-05ASEL1124R 034 SEL1E24W
DESCRIPTION BLACK PANEL ASSY SILVER PANEL ASSY H/S PANEL H221 PUSH BUTTON 14F (BLK) PUSH BUTTON 14F (SLV) SUB PANEL CHASSIS (BLK) SUB PANEL CHASSIS (SLV) LED (RED) 1X5 LED (BLU) 1X5

Adjustment

Instruments : DC milli voltmeter Notes : Prior to Bias Adjustment, run about 5minutes with rated output(8ohms) and warm up Power Transistor and Heat Sink. Set input off.
Coupling L CH OUT R CH OUT TP1 TP2
Location X-1271-01 PCB X-1271-02 PCB X-1271-01 PCB X-1271-02 PCB
Adjust VR603 VR604 VR601 VR602
Adjust for DC milli voltmeter reads 0mV
DC milli voltmeter reads 5mV

2SA1016K 2SC2362K

2SB631K 2SD600K 2SA1209 2SC2911 2SD1953

2SA1294 2SC3263

C E 1 2

UPC1237HA

2SC5174 2SA1932

AD711JN OPA134PA

2SA1295 2SC3264

PCB Assembly

016 X-1271D01-08

016 E-1328A00

016 X-1291E01-02

016 X-1348A00

K13 J11 K11

C11 D11

K12 R14 R13

016X-1348A00

Schematic Diagram

RB-1090-2,3