Rotel RB-1070V01 SERVICE MANUAL

Quality Uncompromised

¨

Technical

STEREO POWER AMPLIFIER

RB-1070V01

Manual

Table of Contents

Specification......................................1

Parts List ...........................................2~6

Adjustment........................................7

Case Outlines....................................7

PCB Assembly..................................9

Schematic Diagram ..........................10

Specifications

Continuous Power Output (20-20 kHz, < 0.03%) 130 watts/ch into 8 ohms

Bridged Mono Power Output (20-20 kHz, < 0.1%) 330 watts/ch into 8 ohms

Total Harmonic Distortion (20Hz-20kHz, 8 ohms) < 0.03%

Intermodulation Distortion (60 Hz : 7 kHz, 4:1) < 0.03%

Frequency Response (+0.5 dB, -3 dB) 4Hz-100kHz

Damping Factor (20-20,000 Hz, 8 ohms) 500

Speaker Impedance 4 ohms minimum

Signal to Noise Ratio (IHF A network) 120 dB

Input Impedance/Sensitivity 33 k Ohms/1.0 volt

Power Requirements 115 Volts, 60 Hz (U.S. version)

230 Volts, 50 Hz (European version)

Power Consumption 400 Watts

Dimensions (W x H x D) 430 x 121 x 350 mm

15/16 x 43/4 x 133/4 in

16

Weight (net) 11.9 kg, 26.25 lb.

SHINSEN-BLD. 4F 10-10 SHINSEN-CHO, SHIBUYA-KU,
TOKYO 150-0045, JAPAN

Serial. NO.
Beginning

0351001
~ 1511300

-323B-0712/pdf

Y

Appearance

2

12V TRIGGER

ON

OFF

IN OUT

POWER AMPLIFIER

W ARNING:TO REDUCE THE RISK

OF FIRE OR ELECTRICAL SHOCK,
DO NOT EXPOSE THIS EQUIPMENT
TO RAIN OR MOISTURE.

RIGHT

RB-1070

BRIDGED MONO

PROTECTION

POWER

SPEAKER IMPEDANCE

STEREO 4 OHMS MINIMUM

BRIDGED 8 OHMS MINIMUM

SPEAKERS

LEFT

CAUTION

RISK OF ELECTRIC SHOCK

DO NOT OPEN

WARNING: WARNING SHOCK HAZARD Ð DO NOT OPEN

AVIS: RISQUE DE CHOC ELECTRIQUEÐNE PAS OUVRIR

LEFT INPUTRIGHT INPUT

POWER AMPLIFIER

MODEL NO. RB-1070

POWER CONSUMPTION: 400W

RB-1070V01

SERIAL NO.

Parts List 1/3

3

RB-1070V01

SYMBOL PARTS NO. DESCRIPTION

016 X-1240E01C-02C PCB ASSY

501 X-1240-D PCB ASSY (MAIN)

Q613,614 033 A1209-ST TRANSISTOR 2SA1209-ST

Q615,616 033 C2911-ST TRANSISTOR 2SC2911-ST

Q607-612 033 TA1016-FG TRANSISTOR 2SA1016KAA-FG

Q621,622 033 TA1376A-LK TRANSISTOR 2SA1376A-T-A-LK

Q601-606,801-803 033 TC2362-FG TRANSISTOR 2SC2362KAA-FG

Q619,620 033 TC3478A-LK TRANSISTOR 2SC3478A-T-A-LK

D901,902 034 BR84 POWER DIODE 400V8A

D609-612,803-806 034 T1N4004-TB DIODE 1N4004-F

D601-608,801,807,808 034 T1N4148-86 DIODE 1N4148TAP-50

D802 034 TRD6.2JST1 ZENER DIODE 6.2V (AB2)

TH601,602 034 TTC-503 THERMISTOR 50K

F601-604 036 5ST5 FUSE 250V5A

C611,612 041 35ZA10MTZ ELECTROLYTIC CAPACITOR 35V10uF

C601,602 041 35ZA4R7MTZ ELECTROLYTIC CAPACITOR 35V4.7uF

C909-912 041 ALC20S1023XX ELECTROLYTIC CAPACITOR 63V10000uF

C607,608 041 TEEUFC1E101SB ELECTROLYTIC CAPACITOR 25V100uF

C802 041 TUTES1E101-TF ELECTROLYTIC CAPACITOR 25V100uF

C803 041 TUTES1J221-TS ELECTROLYTIC CAPACITOR 63V220uF

C804 041 TUTES2A220-TF ELECTROLYTIC CAPACITOR 100V22uF

C901-908 043 TC500V103 CERAMIC CAPACITOR 500V0.01uF

C605,606 044 FSC160V221H STYROL CAPACITOR 160V220pF

C609,610 044 FSC160V331H STYROL CAPACITOR 160V330pF

C617,618 044 FSC160V471H STYROL CAPACITOR 160V470pF

C613-616 044 FSC160V561H STYROL CAPACITOR 160V560pF

C623,624 044 KT18-2A104K M.P CAPACITOR MKT1818-410/015

C603,604 044 TFKP2-2A681H P.P CAPACITOR FKP2-100V681H

VR601,602 051 SFR002-222 SEMI-FIXED RESISTOR VM6CKPV1S-2.2K

R803,805,807,811,812 053 CR14-104J-A CARBON RESISTOR 1/4W 100K

R804 053 CR14-154J-A CARBON RESISTOR 1/4W 150K

R813,814 053 CR14-183J-A CARBON RESISTOR 1/4W 18K

R815,816 053 CR14-222J-A CARBON RESISTOR 1/4W 2.2K

R808 053 CR14-272J-A CARBON RESISTOR 1/4W 2.7K

R817,818 053 CR14-273J-A CARBON RESISTOR 1/4W 27K

R806 053 CR14-333J-A CARBON RESISTOR 1/4W 33K

R801 054 1WS4.7KJF MOF RESISTOR 1W 4.7K

R809,819 054 1WS6.8KJF MOF RESISTOR 1W 6.8K

R647,648 054 2WS10JF MOF RESISTOR 2W 10

R821,822 054 ERQ14AJ2R2P FUSIBLE RESISTOR 1/4W 2.2

R635-646 054 NIR2-0.22JF NON-INDUCTIVE RESISTOR 2W 0.22

R653,654 054 TMF3300 MOF RESISTOR 330

R631,632 054 TMFR4001K METAL FILM RESISTOR 1/4W 1K

R651,652,661 054 TMFR4018K METAL FILM RESISTOR 1/4W 18K

R607-610,615-618 054 TMFR401K5 METAL FILM RESISTOR 1/4W 1.5K

R627,628 054 TMFR403K9 METAL FILM RESISTOR 1/4W 3.9K

R621,622 054 TMFR4047K METAL FILM RESISTOR 1/4W 47K

R633,634 054 TMFR4047R METAL FILM RESISTOR 1/4W 47

R625,626 054 TMFR406K8 METAL FILM RESISTOR 1/4W 6.8K

R623,624,629,630 054 TMFR4100R METAL FILM RESISTOR 1/4W 100

R611-612,619-620,655-658 054 TMFR4220R METAL FILM RESISTOR 1/4W 220

R613,614 054 TMFR4560R METAL FILM RESISTOR 1/4W 560

R601,602 054 TRC55C1001F METAL FILM RESISTOR 1K

R603,604 054 TRC55C3302F METAL FILM RESISTOR 33K

R605,606 054 TRC55C4700F METAL FILM RESISTOR 470R

RY801 063 A24W-K RELAY A24W-K

Parts List 2/3

4

RB-1070V01

SYMBOL PARTS NO. DESCRIPTION

PJ2 066 4TR-2487#7 1P PIN JACK (RED)

PJ1 066 4TR-2487#8 1P PIN JACK (WHT)

SP1 067C-4493A00 4P SPEAKER TERMINAL

D002,003 068 B2B-EH CONNECTOR POST 2P

TP2 068 C-3681#1 PCB TERMINAL 2P P5.0

CON1 068 C-3683#2 PCB TERMINAL 3P P7.5

CON3,CON4 068 C-3683#3 PCB TERMINAL 4P P7.5

CON2,TP1 068 C-4422A01 PCB TERMINAL 2P P10

S601-603 068 DM-2GM-O MINI JUMPER 2P

S601-603 068 TD-03SG 3P CONNECTOR POST

J22,32,49,50 069 4TR-2368B JUMPER PLATE 20mm

F601-604 069 C-3417A MINI FUSE CLIP FF612A

016 X-1283B00 PCB ASSY

501 X-1283-C PCB ASSY (POWER SWITCH)

C001 019 C-4357A03 CAPACITOR COVER (S) H=22

C001 044 DE1307E472M SPARK KILLER 4700pF

S901 061 C-4176A08 POWER SWITCH PS3-22SPA-P7CZ TV-8 (PCB)

016 X-1291E01-02 PCB ASSY

501 X-1291-C PCB ASSY (SUB TRANSFORMER, TRIGGER)

013 4TTU-13 PCB SUPPORT

T101 022 T-1075N02 SUB TRANSFORMER

IC101 031 PC817X2 IC (PHOTO COUPLER)

Q101 032 TC3708-ST TRANSISTOR 2SC3708AA-ST

D102,103,104,106 034 T1N4148-86 DIODE 1N4148TAP-50

D105 034 TRD12JST1 ZENER DIODE 12V (AB2)

D101 034 W02M POWER DIODE 200V1.5A

F101 036 5ST500 FUSE 250V500mA

F903 036 R251-250 Delete FUSE(AXIAL) F250MA R251.250MRT1L

C101 041 TUTES1E471-TS ELECTROLYTIC CAPACITOR 25V470uF

C102 044 DE1307E472M SPARK KILLER 4700pF

(R103) 053 CR14-152J-A CARBON RESISTOR 1/4W 1.5K

R105 053 CR14-221J-A CARBON RESISTOR 1/4W 220

R102 053 CR14-333J-A CARBON RESISTOR 1/4W 33K

(R103) 053 CR14-472J-A CARBON RESISTOR 1/4W 4.7K

R101 054 1WS120JF MOF RESISTOR 1W 120

R104 054 1WS1KJF MOF RESISTOR 1W 1K

RY101 063 OZT-SS-112LM1 RELAY DC12V TV8

S101 064 C-4613A01 TOGGLE SWITCH 200MDP1T2B2M7RE

TJ101,TJ102 065 YKB21-5103A 3.5Φ JACK

K102 068 B2B-EH CONNECTOR POST 2P

K101 068 B3B-EH CONNECTOR POST 3P

AC3.AC4 068 C-3681#1 PCB TERMINAL 2P P5.0

AC1.AC5,AC2 068 C-4422A01 PCB TERMINAL 2P P10

HEAT SINKER ASSY

505 HSRB-1070-V01 HEAT SINKER ASSY

019 TO-126 INSULATION SHEET #9524

019 TO-3P INSULATION SHEET #9043

Q617,Q618 032 D1953 TRANSISTOR 2SD1953

Q633 - Q638 033 A1492-OPY TRANSISTOR 2SA1492-OPY

Q625,Q626 033 A1667-OY TRANSISTOR 2SA1667-OY

Q627- Q632 033 C3856-OPY TRANSISTOR 2SC3856-OPY

Q623,Q624 033 C4381-OY TRANSISTOR 2SC4381-OY

Parts List 3/3

5

SYMBOL PARTS NO. DESCRIPTION

O T H E R S

011 FP-509-B BLACK PANEL ASSY

011 FP-509-S SILVER PANEL ASSY

011 SN4-04B00 H/S PANEL

012 RV4-09A00 PUSH BUTTON 14Φ (BLACK)

012 RV4-09A01 PUSH BUTTON 14Φ (SILVER)

013 SN4-06A00 SUB PANEL SUPPORT (BLACK)

013 SN4-06A01 SUB PANEL SUPPORT (SILVER)

014 SN3-12B00 UPPER COVER

015 RP-373B REAR CHASSIS

019 4TR-2823#2 PLASTIC FOOT 24Φ (ABS)

019 4TSH-19#2 PLASTIC FOOT 50Φ (BLACK)

019 C-4720A01 INSULATION SHEET 72X60

T001 022 T-1052W04 POWER TRANSFORMER

034 SEL1124R LED (RED) 1X5

034 SEL1E24W LED (BLU) 1X5

069 C-4629A01 AC 2P INLET 6102.3100 (WIRING)

072 4TR-2489 3.5mm PLUG SHIELD CORD (for 12V TRIG)

072 C-4621A03 AC CORD SET (SJT AWG16) for USA

072 C-4622A02 AC CORD SET for AUSTRALIA

072 C-4623A02 AC CORD SET for UK

072 C-4624A03 AC CORD SET for EUROPE

081 SN4-24D00 INSIDE CARTON

081 SN4-25D00 SHIPPING CARTON

081 ZE-204 ETHAFOAM MOULDING

082 OMRB-1070-V01 OWNER'S MANUAL (EFGISD)

RB-1070V01

Addendum List for Black and Silver

6

SYMBOL

RB-1070/ V01

PARTS DESCRIPTION

Panel Assy is included:
Knob Ring
Power button
LED

011 FP-509-B
011 FP-509-S
011 SN4-04B00
013 SN4-06A00
013 SN4-06A01 SUB PANEL SUPPORT (SLV)

BLACK PANEL ASSY
SILVER P ANEL ASSY
H/S PANEL
SUB PANEL SUPPORT (BLK)

3

4
5

1
2

Adjustment

7

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.

RB-1070/ V01

Step

1

2

Coupling Location Adjust forAdjust

TP1

TP2

Case Outline

X-1240 PCB VR601

DC milli-voltmeter reads 4mV

VR602X-1240 PCB

2SA1016K
2SC2362K
2SA1209
2SC2911
2SA1376A
2SC3478A

2SD1953

2SA1667
2SC4381

2SA1492
2SC3856

<Memo>

8

PCB Assembly

9

TRIGGER,
SUB TRANSFORMER PCB
016 X-1291E01~02

RB-1070V01/ V02

MAIN PCB 016 X-1240E01

POWER SWITCH PCB
016 X-1283B00

Schematic Diagram

10

RB-1070V01

C20B