Rotel RA-1070 Service manual

Technical

Manual

Table of Contents

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

Parts List ........................................... 2~4

Adjustment........................................ 5

Safety Caution................................... 5

Case Outlines.................................... 5~6

PCB Assembly .................................. 6~8

Schematic Diagram .......................... 9~12

Specification

Continuous Power Output 100 watts/channel

(20 - 20 kHz, < 0.03%, 8 ohms)

Total Harmonic Distortion (20 Hz - 20 kHz) < 0.03% at rated power, 1/2 power, or 1 watt

Intermodulation Distortion(60 Hz : 7 kHz, 4:1) < 0.05% at rated power, 1/2 power or 1 watt

Frequency Response

Line Level inputs 4 Hz - 100 kHz, ± 3 dB
Phono input 20 Hz - 20 kHz, ± 0.5 dB

STEREO INTEGRATED AMPLIFIER

RA-1070

Damping Factor (20 - 20,000 Hz. 8 ohms) 400

Input Sensitivity / impedance

Line Level inputs 150 mV / 33 kohms
Phono input (MM) 1.2 mV / 68 kohms

Input Overload

Line Level inputs 5V
Phono input (MM) 70 mV

Preamplifier Output Maximum Voltage 1 V

Signal to Noise Ratio (IHF " A" weighted)

Line Level inputs 102 dB
Phono input 70 dB

Power Requirements

USA Version 115 Volts, 60 Hz

European Version 230 Volts, 50 Hz

Power Consumption 400 Watts

Dimensions (W x H x D) 430 x 121 x 360 mm
16

Weight (net) 10.3 kg, 22.7 lbs.

15/16

x4

3/4

x 14

3/16

inches

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

Serial. NO.
Beginning

Y-339A-01015C/S-S

Parts List-1

SYMBOL PARTS NO. DESCRIPTION SYMBOL PARTS NO. DESCRIPTION

X-1297-01 PCB ASSEMBLY

C453.454
C501.502
C503.504
C505.506
C507-510

041 25BGF100M
041 50BGF10M
044 FSC160V470H
041 50BGF10M
041 ECEA1EFS221

CAPACITOR ELEC.25V100UF
CAPACITOR ELEC.50V10UF
CAPACITOR STYROL 160V47PF
CAPACITOR ELEC.50V10UF
CAPACITOR ELEC.25V220UF

L601.602
PJ5
Q619.620
Q621.622
Q639.640

021 TRL-331
066 4TR-2408#3
033 TC3478A-LKU
033 TA1376A-LKU
033 TC2362-FG

SPEAKER COIL
4P PINJACK
TRANSISTOR(2SC3478A-LKU)
TRANSISTOR(2SA1376A-LKU)
TRANSISTOR(2SC2362K-FG)

C511.512
C513.514
C515.516
C517.518
C519.520

C521.522
C523.524
C525-529
C530-533
C534.535

C536.537
C613-616
C617.618
C621
C622

C623
C624
C703-705
C720
C901-904

C908.909
C910
C911
C912
C913

044 50MSAN824J
044 50MSAN154J
044 S50V560PJ
044 50MSAN824J
044 S50V1000PG

044 50MSAN104J
041 ECEA1EFS221
044 50MSAN104J
044 S50V22PJ
044 S50V47PJ

041 UTES1H100-FB
044 FSC160V561H
044 KT18-2A104K
041 UTES1E101-FB
041 UTES1H330-FB

041 UTES1E470-FB
041 UTES1E100-FB
043 TC50V103
041 UTES1E470-FB
041 ALN20S1076DD ※

041 UTES1J471
041 UTES1H010-FB
041 UTES1V101-FB
041 UTES1A101-FB
041 UTES1H470-FB

CAPACITOR FILM 50V0.82UF
CAPACITOR FILM 50V0.15UF
CAPACITOR STYROL 50V560PJ
CAPACITOR FILM 50V0.82UF
CAPACITOR STYROL 50V1000PF

CAPACITOR FILM 50V0.1UF
CAPACITOR ELEC.25V220UF
CAPACITOR FILM 50V0.1UF
CAPACITOR STYROL 50V22PF
CAPACITOR STYROL 50V47PF

CAPACITOR ELEC.50V10UF
CAPACITOR STYROL 160V560PF
CAPACITOR FILM 100V0.1UF
CAPACITOR ELEC.25V100UF
CAPACITOR ELEC.50V33UF

CAPACITOR ELEC.25V47UF
CAPACITOR ELEC.25V10UF
CAPACITOR CERA.50V0.01UF
CAPACITOR ELEC.25V47UF
CAPACITOR ELEC.63V10000UF

CAPACITOR ELEC.63V470UF
CAPACITOR ELEC.50V1UF
CAPACITOR ELEC.35V100UF
CAPACITOR ELEC.10V100UF
CAPACITOR ELEC.50V47UF

Q641-643
Q644
Q651
Q901
Q902

Q903
Q904
Q905
Q906
Q908

R453.454
R501.502
R503.504
R505.506
R507.508

R509.510
R511.512
R513.514
R515.516
R517-520

R521
R522
R523.524
R525.526
R527.528

033 TA1016-FG
033 TC2362-FG
033 TC2362-FG
032 TC3708-ST
033 TA1016-FG

032 TC536-FG
032 TD863-EF
033 B631-EF
033 D600-EF
033 D600-EF

054 TMF2700
054 EE10-151
054 EE10-104
054 TMFR4680R
054 TMFR403K9

053 CR14-104J-A
054 TMFR409K1
054 TMFR405K6
054 TMFR4027K
053 CR16-223J-A

054 TMF1001
054 MF16-1001-A
053 CR16-223J-A
054 MF16-1002-A
053 CR16-223J-A

TRANSISTOR(2SA1016K-FG)
TRANSISTOR(2SC2362K-FG)
TRANSISTOR(2SC2362K-FG)
TRANSISTOR(2SC3708-ST)
TRANSISTOR(2SA1016K-FG)

TRANSISTOR(2SC536K-FG)
TRANSISTOR(2SD863-EF)
TRANSISTOR(2SB631K-EF)
TRANSISTOR(2SD600K-EF)
TRANSISTOR(2SD600K-EF)

RESISTOR METAL 270R
RESISTOR METAL 150R
RESISTOR METAL 100K
RESISTOR METAL 1% 680R
RESISTOR METAL 1% 3.9K

RESISTOR CARBON 100K
RESISTOR METAL 1% 9.1K
RESISTOR METAL 1% 5.6K
RESISTOR METAL 1% 27K
RESISTOR CARBON 22K

RESISTOR METAL 1K
RESISTOR METAL 1K
RESISTOR CARBON 22K
RESISTOR METAL 10K
RESISTOR CARBON 22K

C915
C916.917
C918.919
C920
C922

D609-612
D613-617
D651
D707
D713

D905
D906
D907
D908
D909

D910
D911
D912
D916
IC501

IC502.503
IC601
IC703
IC704
IC901

041 UTES1V101-FB
041 UTES1E101-FB
041 25BGF470M
043 TC500V103
041 UTES1H4R7-FB

034 T1N4003-TB
034 T1N4148-86
034 TRD12JST1
034 T1N4148-86
034 TRD5.6JST1

034 T1N4148-86
034 TRD4.7JST1
034 T1N4148-86
034 TRD16JST1
034 TRD30JST1

034 TRD9.1JST1
034 TRD12JST1
034 TRD16JST1
034 T1N4003-TB
031 OPA2604AP

031 NJM2114D
031 MPC1237HA
031 TC74HC595AP
031 LB1641
031 NJM7805FA

CAPACITOR ELEC.35V100UF
CAPACITOR ELEC.25V100UF
CAPACITOR ELEC.25V470UF
CAPACITOR CERA.500V0.01UF
CAPACITOR ELEC.50V4.7UF

DIODE
DIODE
ZENER DIODE
DIODE
ZENER DIODE

DIODE
ZENER DIODE
DIODE
ZENER DIODE
ZENER DIODE

ZENER DIODE
ZENER DIODE
ZENER DIODE
DIODE
IC(OPE DUAL)

IC(OPE AMP)
IC(PROTECTION)
IC(8BIT SHIFT REGISTER/LATCH)
IC(MOTOR DRIVE)
IC(REGULATOR +5VDC)

R529-538
R539.540
R541.542
R543.544
R545.546

R547
R548.549
R631.632
R633.634
R637-648

R649.650
R653-656
R657.658
R659.660
R661.662

R663.664
R665.666
R667.668
R669.670
R671.672

R673
R674
R675
R676
R681

054 MF16-1002-A
054 MF16-4702-A
054 MF16-5602-A
054 TMFR405K6
054 TMFR4100R

054 TMFR4010R
054 MF16-1003-A
054 TMFR4001K
054 TMFR4047R
054 NIR2-0.22JF

054 3WS10JF
054 TMFR4220R
054 TMF1800
054 TMF2202
054 TMF1201

054 TMF1502
054 TMF4702
054 TMF3300
054 TMF1202
054 MF16-1203-A

054 MF16-1003-A
054 TMF5602
054 TMF1802
054 TMF4702
054 TMF1003

RESISTOR METAL 10K
RESISTOR METAL 47K
RESISTOR METAL 56K
RESISTOR METAL 1% 5.6K
RESISTOR METAL 1% 100R

RESISTOR METAL 1% 10R
RESISTOR METAL 100K
RESISTOR METAL 1% 1K
RESISTOR METAL 1% 47R
RESISTOR METAL 2W 0.22R

RESISTOR METAL 3W 10R
RESISTOR METAL 1% 220R
RESISTOR METAL 180R
RESISTOR METAL 22K
RESISTOR METAL 1.2K

RESISTOR METAL 15K
RESISTOR METAL 47K
RESISTOR METAL 330R
RESISTOR METAL 12K
RESISTOR METAL 120K

RESISTOR METAL 100K
RESISTOR METAL 56K
RESISTOR METAL 18K
RESISTOR METAL 47K
RESISTOR METAL 100K

2

Parts List-2

SYMBOL PARTS NO. DESCRIPTION SYMBOL PARTS NO. DESCRIPTION

R684
R685
R686
R687
R716

R717
R718
R901
R903
R904

R905
R906.907
R908
R910
R911-913

R916
R917
R918
R919
R920.921

R927
R928.929
R930
R931.932
RY601.602

054 TMF4701
054 TMF1003
053 CR16-474J-A
053 CR14-123J-A
053 CR16-100J-A

053 CR16-104J-A
053 CR16-153J-A
053 CR14-102J-A
054 1WS1.2KJF
053 CR14-331J-A

053 CR14-562J-A
053 CR14-153J-A
053 CR14-472J-A
053 CR16-473J-A
053 CR16-223J-A

053 CR16-104J-A
054 1WS68JF
053 CR14-333J-A
054 1WS270JF
054 TMFR406K8

053 CR14-223J-A
053 CR16-2R2J-A
053 CR16-103J-A
054 2WS470JF
063 DH2TU-24

RESISTOR METAL 4.7K
RESISTOR METAL 100K
RESISTOR CARBON 470K
RESISTOR CARBON 12K
RESISTOR CARBON 10R

RESISTOR CARBON 100K
RESISTOR CARBON 15K
RESISTOR CARBON 1K
RESISTOR METAL 1W 1.2K
RESISTOR CARBON 330R

RESISTOR CARBON 5.6K
RESISTOR CARBON 15K
RESISTOR CARBON 4.7K
RESISTOR CARBON 47K
RESISTOR CARBON 22K

RESISTOR CARBON 100K
RESISTOR METAL 1W 68R
RESISTOR CARBON 33K
RESISTOR METAL 1W 270R
RESISTOR METAL 1% 6.8K

RESISTOR CARBON 22K
RESISTOR CARBON 2.2R
RESISTOR CARBON 10K
RESISTOR METAL 2W 470R
RELAY(SPEAKER)

R427.428
R429-432
RY406-408

C601.602
C603.604
C605.606
C607.608
C609.610

C611.612
C619.620
D601-608
Q601-604
Q605-610

Q611.612
Q613.614
Q615.616
R601.602
R603.604

R605-612
R613-616
R617.618
R619.620
R621-624

054 TMFR4100R
054 MF16-1003-A
063 A24W-K

X-1297-03.04 PCB ASSY

041 50BGF4R7M
044 FSC160V331H
044 FSC160V471H
041 25BGF100M
044 FSC160V331H

041 50BGF10M
044 FSC160V221H
034 T1N4148-86
033 TC2362-FG
033 TA1016-FG

033 TC2362-FG
033 A1209-ST
033 C2911-ST
054 TMFR4560R
054 TMFR4047K

054 TMFR401K5
054 TMFR4220R
054 TMF1/4-5600F
054 TMFR4047K
054 TMFR4100R

RESISTOR METAL 1% 100R
RESISTOR METAL 100K
RELAY(FUNCTION)

CAPACITOR ELEC.50V4.7UF
CAPACITOR STYROL 160V330PF
CAPACITOR STYROL 160V470PF
CAPACITOR ELEC.25V100UF
CAPACITOR STYROL 160V330PF

CAPACITOR ELEC.50V10UF
CAPACITOR STYROL 160V220PF
DIODE
TRANSISTOR(2SC2362K-FG)
TRANSISTOR(2SA1016K-FG)

TRANSISTOR(2SC2362K-FG)
TRANSISTOR(2SA1209-ST)
TRANSISTOR(2SC2911-ST)
RESISTOR METAL 1% 560R
RESISTOR METAL 1% 47K

RESISTOR METAL 1% 1.5K
RESISTOR METAL 1% 220R
RESISTOR MRS25 560R
RESISTOR METAL 1% 47K
RESISTOR METAL 1% 100R

RY603
RY902
S501
SKT1
SP1.SP2

TH601.602
VR501

C402.403
D406-408
D409.410
IC401
PJ3

PJ6
Q406-408
Q414-416
Q417
Q418.419

Q420
R401-414
R415.416
R417.418
R419

063 A24W-K
063 DG1U-24 ※
062 C-4174A20
068 PS-1101-32
067 C-4493A00

034 TTC-503
051 C-4170A33
068 DM-2GM-O
069 C-4372A01 ※

X-1297-02 PCB ASSEMBLY

041 UTES1E101-FB
034 T1N4148-86
034 TRD15JST1
031 TC9163AN
066 4TR-2408#3

066 4TR-3184
032 TA1345
032 TC3399
032 TC536-FG
032 2K366-GR

032 TA1345
054 MF16-1001-FA
054 TMFR4001K
054 MF16-1001-A
053 CR14-472J-A

RELAY(MUTE)
RELAY(AC OUTLET)
ROTARY SWITCH(CONTOUR)
CONNECTOR BASE 16P
SPEAKER TERMINAL

THERMISTOR
VARIABLE RESISTOR(VOLUME)
MINI JUMPER
AC OUTLET for STD

CAPACITOR ELEC.25V100UF
DIODE
ZENER DIODE
IC(SWITCH ALLEY)
4P PINJACK

6P PINJACK
TRANSISTOR(2SA1345)
TRANSISTOR(2SC3399)
TRANSISTOR(2SC536K-FG)
FET(2SK366-GR)

TRANSISTOR(2SA1345)
RESISTOR METAL 1K
RESISTOR METAL 1% 1K
RESISTOR METAL 1K
RESISTOR CARBON 4.7K

R625.626
R627.628
R635.636
R651.652
VR601.602

HJ1
R677-680
R682.683
S601

C921
S902

Q623.624
Q625.626

C401
C451.452
D401-405
PJ1
PJ2

054 TMF1/4-6801F
054 TMF1/4-3901F
054 TMFR4015K
054 TMF3300
051 SFR001-222

017 C-4401A01
019 TO-126

X-1297-05 PCB ASSEMBLY

065 C-3399#1
054 TMFR4680R
054 1WS1.8KJF
062 4TR-3089

X-1297-06 PCB ASSEMBLY

044 DE1307E472M
061 C-4176A08

X-1297-07-10 PCB ASSY

033 C4381-OY
033 A1667-OY

X-1298-01 PCB ASSEMBLY

041 UTES1J220-FB
041 BPUE1E4R7-FB
034 T1N4148-86
066 4TR-2408#3
066 4TR-3184

RESISTOR MRS25 6.8K
RESISTOR MRS25 3.9K
RESISTOR METAL 1% 15K
RESISTOR METAL 330R
SEMI-FIXED RESISTOR 2.2K

SUB HEAT SINKER
INSULATION SHEET

PHONE JACK
RESISTOR METAL1% 680R
RESISTOR METAL 1W 1.8K
ROTARY SWITCH(SPEAKERS)

SPARK KILLER Ŷ
POWER SWITCH Ŷ

TRANSISTOR(2SC4381-OY)
TRANSISTOR(2SA1667-OY)

CAPACITOR ELEC.63V22UF
CAPACITOR BI-POLAR 25V4.7UF
DIODE
4P PINJACK
6P PINJACK

R420.421
R422
R423
R424
R426

053 CR14-225J-A
053 CR16-474J-A
053 CR16-224J-A
053 CR16-103J-A
053 CR16-564J-A

RESISTOR CARBON 2.2M
RESISTOR CARBON 470K
RESISTOR CARBON 220K
RESISTOR CARBON 10K
RESISTOR CARBON 560K

Q401-405
Q409-413
R451.452
RY401-405

3

032 TA1345
032 TC3399
054 TMFR4027K
063 A24W-K

TRANSISTOR(2SA1345)
TRANSISTOR(2SC3399)
RESISTOR METAL 1% 27K
RELAY(FUNCTION)