Quality Uncompromised
®
Technical
Manual
Table of Contents
Specification......................................1
Parts List ...........................................2
Adjustment........................................3
Case Outlines....................................3
PCB Assembly ..................................3~4
Schematic Diagram ..........................5~6
Specification
Continuous Power Output Stereo Mode 130 watts/ch into 8 ohms
(20 - 20 kHz, <0.03% THD)
Bridged Mono Power Output 300 watts/ch into 4 ohms
(20 - 20 kHz, <0.1% THD)
Total Harmonic Distortion <0.03 %
(20 Hz : 20 kHz, 8 ohms)
Intermodulation Distortion <0.03 %
(60 Hz : 7 kHz, 4 : 1)
Frequency Response (+0.5 db, -3 db) 4 Hz - 100 kHz
Damping Factor (20-20,000 Hz, 8 ohms) 500
Speaker Impedance (combined load) 4 ohms minimum
Signal to Noise Ratio (IHF A network) 120 dB
Input Impedance/Sensitivity 33 k ohms/1.0 volt
Power Requirements USA: 115 volts, 60 Hz
Power Consumption 400 Watts
Dimensions (W x H x D) 430 x 121 x 350 mm
Weight (net) 11.9 kg/26.25 lb.
STEREO POWER AMPLIFIER
RB-1070
Europe: 230 volts, 50 Hz
1615/16 x 43/4 x 133/4 in
SHINSEN-BLD. 4F 10-10 SHINSEN-CHO, SHIBUYA-KU,
TOKYO 150-0045, JAPAN
Serial. NO.
Beginning
Y-323A-00015C/S-S
Parts List
SYMBOL PARTS NO. DESCRIPTION SYMBOL PARTS NO. DESCRIPTION
C601,602 041 50BGF4R7M CAP,ELEC.50V4.7UF
X-1240-01 PCB ASSEMBLY
C603,604 044 TFKP2-2A681H CAP,FILM100V680PF
C605,606 044 FSC160V221H CAP,STYROL160V220PF
C607,608 041 25BGF100M CAP,ELEC.25V100UF
C609,610 044 FSC160V331H CAP,STYROL160V330PF
C611,612 041 50BGF10M CAP,ELEC.50V10UF
C613-616 044 FSC160V561H CAP,STYROL160V560PF
C617,618 044 FSC160V471H CAP,STYROL160V470PF
C623,624 044 KT18-2A104K CAP,FILM100V0.1UF
C802 041 UTSS1E101-FB CAP,ELEC.25V100UF
C803 041 UTES1J221 CAP,ELEC.63V220UF
C804 041 UTES2A220-FB CAP,ELEC.100V22UF
C901-908 043 TC500V103 CAP,CERA.500V0.01UF
C909-912 041 ALC20S1023XX CAP,ELEC.63V10000UF
D601-608 034 T1N4148-86 DIODE
D609-612 034 T1N4003-TB DIODE
D801 034 T1N4148-86 DIODE
D802 034 TRD6.2JST1 ZENER DIODE
D803-806 034 T1N4003-TB DIODE
D807,808 034 T1N4148-86 DIODE
D901,902 034 BR84 BRIDGED DIODE
F601,602 036 5ST5 MINI FUSE 250V T5A
PJ1 066 4TR-2487#8 1P PINJACK(WHT)
PJ2 066 4TR-2487#7 1P PINJACK(RED)
Q601-606 033 TC2362-FG TRANSISTOR
R805 053 CR14-104J-A R,CARBON 100K
R806 053 CR14-333J-A R,CARBON 33K
R807 053 CR14-104J-A R,CARBON 100K
R808 053 CR14-272J-A R,CARBON 2.7K
R809,810 054 1WS6.8KJF R,METAL 1W 6.8K
R811,812 053 CR14-104J-A R,CARBON 100K
R813,814 053 CR14-183J-A R,CARBON18K
R815,816 053 CR14-222J-A R,CARBON 2.2K
R817,818 053 CR14-273J-A R,CARBON 27K
R819 054 1WS6.8KJF R,METAL 1W 6.8K
RY801 063 V23106-24 RELAY
SP1 067 C-4493A00 SPEAKER TERMINAL
TH601,602 034 TTC-503 THERMISTOR
VR601,602 051 SFR001-222 SEMI-FIXED RESISTOR 2.2K
017 C-4401A01 SUB HEAT SINKER BOARD
019 TO-126 INSULATION SHEET
068 DM-2GM-O SHORT SOCKET
069 C-3417A FUSE CLIP
X-1283 PCB ASSEMBLY
C001 044 DE1307E472M SPARK KILLER
S901 061 C-4176A08 POWER SWITCH
HEAT SINKER ASSEMBLY
Q617,618 032 D1953 TRANSISTOR
Q623,624 033 C4381-OY DRIVER TRANSISTOR
Q607-612 033 TA1016-FG TRANSISTOR
Q613,614 033 A1209-ST TRANSISTOR
Q615,616 033 C2911-ST TRANSISTOR
Q619,620 033 TC3478A-LKU TRANSISTOR
Q621,622 033 TA1376A-LKU TRANSISTOR
Q801-803 032 TC2362-FG TRANSISTOR
R601,602 054 EE10-102 R,META L1K
R603,604 054 EE10-333 R,METAL 33K
R605,606 054 EE10-471 R,METAL 470R
R607-610 054 TMFR401K5 R,METAL 1% 1.5K
R611,612 054 TMFR4220R R,METAL 1%220R
R613,614 054 TMF1/4-5600F R,MRS25 560R
R615-618 054 TMFR401K5 R,METAL 1% 1.5K
R619,620 054 TMFR4220R R,METAL 1% 220R
R621,622 054 TMFR4047K R,METAL 1% 47K
R623,624 054 TMFR4100R R,METAL 1% 100R
R625,626 054 TMF1/4-6801F R,MRS25 6.8K
R627,628 054 TMF1/4-3901F R,MRS25 3.9K
R629,630 054 TMFR4100R R,METAL 1% 100R
R631,632 054 TMFR4001K R,METAL 1% 1K
R633,634 054 TMFR4047R R,METAL 1% 47R
R635-646 054 NIR2-0.22JF R,METAL 2W 0.22R
R647,648 054 2WS10JF R,METAL 2W 10R
R651,652 054 TMFR4018K R,METAL 1% 18K
R653,654 054 TMF3300 R,METAL 330R
Q625,626 033 A1667-OY DRIVER TRANSISTOR
Q627-632 033 C3856-OPY POWER TRANSISTOR
Q633-638 033 A1492-OPY POWER TRANSISTOR
017 RM4-08B00 HEAT SINKER BOARD
019 TO-126 INSULATION SHEET(S)
019 TO-3P INSULATION SHEET(L)
OTHERS
011 FP-509 FRONT PANEL ASSY
011 SN4-04A00 HEAT SINKER PANEL
012 RV4-09A00 PUSH KNOB
014 RM4-07B00 BOTTOM BOARD
014 SN3-12A00 UPPER COVER
015 RP-373 PRINTED REAR CHASSIS
019 4TR-2823#2 PLASTIC FOOT 24F
019 4TSH-19#2 PLASTIC FOOT 50F
022 T-1052W04 POWER TRANSFORMER
034 SEL1124R LED
069 C-4629A01 AC INLET
072 C-4621A01 AC CORD SET forS TD
072 C-4622A01 AC CORD SET for AUSTRALIA
072 C-4623A01 AC CORD SET for UK
072 C-4624A01 AC CORD SET for CEE
081 SN4-24A00 INSIDE CARTON
081 Z-202 STYROL MOULDING
R655-658 054 TMFR4220R R,METAL 1% 220R
R661 054 TMFR4018K R,MERAL 1% 18K
R801 054 1WS4.7KJF R,METAL 1W 4.7K
R803 053 CR14-104J-A R,CARBON 100K
R804 053 CR14-154J-A R,CARBON 150K
2