Technical
Manual
STEREO INTEGRATED AMPLIFIER
RA-1070
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 |
4 Hz - 100 kHz, ± 3 dB |
|
Line Level inputs |
||
Phono input |
20 Hz - 20 kHz, ± 0.5 dB |
|
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 |
|
|
1615/16 x43/4 x 143/16 inches |
|
Weight (net) |
10.3 kg, 22.7 lbs. |
|
|
|
|
SHINSEN-BLD. 4F 10-10 SHINSEN-CHO, SHIBUYA-KU, |
|
Serial. NO. |
|
Beginning |
|
TOKYO 150-0045, JAPAN |
|
|
|
|
|
Y-339A-01015C/S-S
Parts List-1
SYMBOL |
PARTS NO. |
DESCRIPTION |
|
|
|
|
X-1297-01 PCB ASSEMBLY |
|
C453.454 |
041 25BGF100M |
CAPACITOR ELEC.25V100UF |
C501.502 |
041 50BGF10M |
CAPACITOR ELEC.50V10UF |
C503.504 |
044 FSC160V470H |
CAPACITOR STYROL 160V47PF |
C505.506 |
041 50BGF10M |
CAPACITOR ELEC.50V10UF |
C507-510 |
041 ECEA1EFS221 |
CAPACITOR ELEC.25V220UF |
C511.512 |
044 50MSAN824J |
CAPACITOR FILM 50V0.82UF |
C513.514 |
044 50MSAN154J |
CAPACITOR FILM 50V0.15UF |
C515.516 |
044 S50V560PJ |
CAPACITOR STYROL 50V560PJ |
C517.518 |
044 50MSAN824J |
CAPACITOR FILM 50V0.82UF |
C519.520 |
044 S50V1000PG |
CAPACITOR STYROL 50V1000PF |
C521.522 |
044 50MSAN104J |
CAPACITOR FILM 50V0.1UF |
C523.524 |
041 ECEA1EFS221 |
CAPACITOR ELEC.25V220UF |
C525-529 |
044 50MSAN104J |
CAPACITOR FILM 50V0.1UF |
C530-533 |
044 S50V22PJ |
CAPACITOR STYROL 50V22PF |
C534.535 |
044 S50V47PJ |
CAPACITOR STYROL 50V47PF |
C536.537 |
041 UTES1H100-FB |
CAPACITOR ELEC.50V10UF |
C613-616 |
044 FSC160V561H |
CAPACITOR STYROL 160V560PF |
C617.618 |
044 KT18-2A104K |
CAPACITOR FILM 100V0.1UF |
C621 |
041 UTES1E101-FB |
CAPACITOR ELEC.25V100UF |
C622 |
041 UTES1H330-FB |
CAPACITOR ELEC.50V33UF |
C623 |
041 UTES1E470-FB |
CAPACITOR ELEC.25V47UF |
C624 |
041 UTES1E100-FB |
CAPACITOR ELEC.25V10UF |
C703-705 |
043 TC50V103 |
CAPACITOR CERA.50V0.01UF |
C720 |
041 UTES1E470-FB |
CAPACITOR ELEC.25V47UF |
C901-904 |
041 ALN20S1076DD |
CAPACITOR ELEC.63V10000UF |
C908.909 |
041 UTES1J471 |
CAPACITOR ELEC.63V470UF |
C910 |
041 UTES1H010-FB |
CAPACITOR ELEC.50V1UF |
C911 |
041 UTES1V101-FB |
CAPACITOR ELEC.35V100UF |
C912 |
041 UTES1A101-FB |
CAPACITOR ELEC.10V100UF |
C913 |
041 UTES1H470-FB |
CAPACITOR ELEC.50V47UF |
C915 |
041 UTES1V101-FB |
CAPACITOR ELEC.35V100UF |
C916.917 |
041 UTES1E101-FB |
CAPACITOR ELEC.25V100UF |
C918.919 |
041 25BGF470M |
CAPACITOR ELEC.25V470UF |
C920 |
043 TC500V103 |
CAPACITOR CERA.500V0.01UF |
C922 |
041 UTES1H4R7-FB |
CAPACITOR ELEC.50V4.7UF |
D609-612 |
034 T1N4003-TB |
DIODE |
D613-617 |
034 T1N4148-86 |
DIODE |
D651 |
034 TRD12JST1 |
ZENER DIODE |
D707 |
034 T1N4148-86 |
DIODE |
D713 |
034 TRD5.6JST1 |
ZENER DIODE |
D905 |
034 T1N4148-86 |
DIODE |
D906 |
034 TRD4.7JST1 |
ZENER DIODE |
D907 |
034 T1N4148-86 |
DIODE |
D908 |
034 TRD16JST1 |
ZENER DIODE |
D909 |
034 TRD30JST1 |
ZENER DIODE |
D910 |
034 TRD9.1JST1 |
ZENER DIODE |
D911 |
034 TRD12JST1 |
ZENER DIODE |
D912 |
034 TRD16JST1 |
ZENER DIODE |
D916 |
034 T1N4003-TB |
DIODE |
IC501 |
031 OPA2604AP |
IC(OPE DUAL) |
IC502.503 |
031 NJM2114D |
IC(OPE AMP) |
IC601 |
031 MPC1237HA |
IC(PROTECTION) |
IC703 |
031 TC74HC595AP |
IC(8BIT SHIFT REGISTER/LATCH) |
IC704 |
031 LB1641 |
IC(MOTOR DRIVE) |
IC901 |
031 NJM7805FA |
IC(REGULATOR +5VDC) |
|
|
|
SYMBOL |
|
PARTS NO. |
DESCRIPTION |
|
|
|
|
L601.602 |
021 |
TRL-331 |
SPEAKER COIL |
PJ5 |
066 |
4TR-2408#3 |
4P PINJACK |
Q619.620 |
033 TC3478A-LKU |
TRANSISTOR(2SC3478A-LKU) |
|
Q621.622 |
033 TA1376A-LKU |
TRANSISTOR(2SA1376A-LKU) |
|
Q639.640 |
033 |
TC2362-FG |
TRANSISTOR(2SC2362K-FG) |
Q641-643 |
033 |
TA1016-FG |
TRANSISTOR(2SA1016K-FG) |
Q644 |
033 TC2362-FG |
TRANSISTOR(2SC2362K-FG) |
|
Q651 |
033 TC2362-FG |
TRANSISTOR(2SC2362K-FG) |
|
Q901 |
032 |
TC3708-ST |
TRANSISTOR(2SC3708-ST) |
Q902 |
033 TA1016-FG |
TRANSISTOR(2SA1016K-FG) |
|
Q903 |
032 TC536-FG |
TRANSISTOR(2SC536K-FG) |
|
Q904 |
032 |
TD863-EF |
TRANSISTOR(2SD863-EF) |
Q905 |
033 |
B631-EF |
TRANSISTOR(2SB631K-EF) |
Q906 |
033 |
D600-EF |
TRANSISTOR(2SD600K-EF) |
Q908 |
033 |
D600-EF |
TRANSISTOR(2SD600K-EF) |
R453.454 |
054 TMF2700 |
RESISTOR METAL 270R |
|
R501.502 |
054 |
EE10-151 |
RESISTOR METAL 150R |
R503.504 |
054 |
EE10-104 |
RESISTOR METAL 100K |
R505.506 |
054 TMFR4680R |
RESISTOR METAL 1% 680R |
|
R507.508 |
054 TMFR403K9 |
RESISTOR METAL 1% 3.9K |
|
R509.510 |
053 CR14-104J-A |
RESISTOR CARBON 100K |
|
R511.512 |
054 TMFR409K1 |
RESISTOR METAL 1% 9.1K |
|
R513.514 |
054 TMFR405K6 |
RESISTOR METAL 1% 5.6K |
|
R515.516 |
054 TMFR4027K |
RESISTOR METAL 1% 27K |
|
R517-520 |
053 CR16-223J-A |
RESISTOR CARBON 22K |
|
R521 |
054 TMF1001 |
RESISTOR METAL 1K |
|
R522 |
054 MF16-1001-A |
RESISTOR METAL 1K |
|
R523.524 |
053 CR16-223J-A |
RESISTOR CARBON 22K |
|
R525.526 |
054 |
MF16-1002-A |
RESISTOR METAL 10K |
R527.528 |
053 CR16-223J-A |
RESISTOR CARBON 22K |
|
R529-538 |
054 |
MF16-1002-A |
RESISTOR METAL 10K |
R539.540 |
054 |
MF16-4702-A |
RESISTOR METAL 47K |
R541.542 |
054 |
MF16-5602-A |
RESISTOR METAL 56K |
R543.544 |
054 TMFR405K6 |
RESISTOR METAL 1% 5.6K |
|
R545.546 |
054 TMFR4100R |
RESISTOR METAL 1% 100R |
|
R547 |
054 TMFR4010R |
RESISTOR METAL 1% 10R |
|
R548.549 |
054 |
MF16-1003-A |
RESISTOR METAL 100K |
R631.632 |
054 TMFR4001K |
RESISTOR METAL 1% 1K |
|
R633.634 |
054 TMFR4047R |
RESISTOR METAL 1% 47R |
|
R637-648 |
054 |
NIR2-0.22JF |
RESISTOR METAL 2W 0.22R |
R649.650 |
054 |
3WS10JF |
RESISTOR METAL 3W 10R |
R653-656 |
054 TMFR4220R |
RESISTOR METAL 1% 220R |
|
R657.658 |
054 TMF1800 |
RESISTOR METAL 180R |
|
R659.660 |
054 TMF2202 |
RESISTOR METAL 22K |
|
R661.662 |
054 |
TMF1201 |
RESISTOR METAL 1.2K |
R663.664 |
054 TMF1502 |
RESISTOR METAL 15K |
|
R665.666 |
054 TMF4702 |
RESISTOR METAL 47K |
|
R667.668 |
054 TMF3300 |
RESISTOR METAL 330R |
|
R669.670 |
054 TMF1202 |
RESISTOR METAL 12K |
|
R671.672 |
054 |
MF16-1203-A |
RESISTOR METAL 120K |
R673 |
054 MF16-1003-A |
RESISTOR METAL 100K |
|
R674 |
054 TMF5602 |
RESISTOR METAL 56K |
|
R675 |
054 TMF1802 |
RESISTOR METAL 18K |
|
R676 |
054 TMF4702 |
RESISTOR METAL 47K |
|
R681 |
054 TMF1003 |
RESISTOR METAL 100K |
|
|
|
|
|
2
Parts List-2
SYMBOL |
|
PARTS NO. |
DESCRIPTION |
|
|
|
|
R684 |
054 TMF4701 |
RESISTOR METAL 4.7K |
|
R685 |
054 TMF1003 |
RESISTOR METAL 100K |
|
R686 |
053 CR16-474J-A |
RESISTOR CARBON 470K |
|
R687 |
053 CR14-123J-A |
RESISTOR CARBON 12K |
|
R716 |
053 CR16-100J-A |
RESISTOR CARBON 10R |
|
R717 |
053 CR16-104J-A |
RESISTOR CARBON 100K |
|
R718 |
053 CR16-153J-A |
RESISTOR CARBON 15K |
|
R901 |
053 CR14-102J-A |
RESISTOR CARBON 1K |
|
R903 |
054 |
1WS1.2KJF |
RESISTOR METAL 1W 1.2K |
R904 |
053 CR14-331J-A |
RESISTOR CARBON 330R |
|
R905 |
053 CR14-562J-A |
RESISTOR CARBON 5.6K |
|
R906.907 |
053 CR14-153J-A |
RESISTOR CARBON 15K |
|
R908 |
053 CR14-472J-A |
RESISTOR CARBON 4.7K |
|
R910 |
053 CR16-473J-A |
RESISTOR CARBON 47K |
|
R911-913 |
053 CR16-223J-A |
RESISTOR CARBON 22K |
|
R916 |
053 CR16-104J-A |
RESISTOR CARBON 100K |
|
R917 |
054 |
1WS68JF |
RESISTOR METAL 1W 68R |
R918 |
053 CR14-333J-A |
RESISTOR CARBON 33K |
|
R919 |
054 |
1WS270JF |
RESISTOR METAL 1W 270R |
R920.921 |
054 TMFR406K8 |
RESISTOR METAL 1% 6.8K |
|
R927 |
053 CR14-223J-A |
RESISTOR CARBON 22K |
|
R928.929 |
053 |
CR16-2R2J-A |
RESISTOR CARBON 2.2R |
R930 |
053 CR16-103J-A |
RESISTOR CARBON 10K |
|
R931.932 |
054 |
2WS470JF |
RESISTOR METAL 2W 470R |
RY601.602 |
063 |
DH2TU-24 |
RELAY(SPEAKER) |
RY603 |
063 A24W-K |
RELAY(MUTE) |
|
RY902 |
063 DG1U-24 |
RELAY(AC OUTLET) |
|
S501 |
062 C-4174A20 |
ROTARY SWITCH(CONTOUR) |
|
SKT1 |
068 PS-1101-32 |
CONNECTOR BASE 16P |
|
SP1.SP2 |
067 C-4493A00 |
SPEAKER TERMINAL |
|
TH601.602 |
034 TTC-503 |
THERMISTOR |
|
VR501 |
051 C-4170A33 |
VARIABLE RESISTOR(VOLUME) |
|
|
068 DM-2GM-O |
MINI JUMPER |
|
|
069 C-4372A01 |
AC OUTLET for STD |
|
|
X-1297-02 PCB ASSEMBLY |
|
|
C402.403 |
041 UTES1E101-FB |
CAPACITOR ELEC.25V100UF |
|
D406-408 |
034 T1N4148-86 |
DIODE |
|
D409.410 |
034 TRD15JST1 |
ZENER DIODE |
|
IC401 |
031 TC9163AN |
IC(SWITCH ALLEY) |
|
PJ3 |
066 |
4TR-2408#3 |
4P PINJACK |
PJ6 |
066 |
4TR-3184 |
6P PINJACK |
Q406-408 |
032 |
TA1345 |
TRANSISTOR(2SA1345) |
Q414-416 |
032 TC3399 |
TRANSISTOR(2SC3399) |
|
Q417 |
032 TC536-FG |
TRANSISTOR(2SC536K-FG) |
|
Q418.419 |
032 |
2K366-GR |
FET(2SK366-GR) |
Q420 |
032 TA1345 |
TRANSISTOR(2SA1345) |
|
R401-414 |
054 |
MF16-1001-FA |
RESISTOR METAL 1K |
R415.416 |
054 TMFR4001K |
RESISTOR METAL 1% 1K |
|
R417.418 |
054 |
MF16-1001-A |
RESISTOR METAL 1K |
R419 |
053 CR14-472J-A |
RESISTOR CARBON 4.7K |
|
R420.421 |
053 CR14-225J-A |
RESISTOR CARBON 2.2M |
|
R422 |
053 CR16-474J-A |
RESISTOR CARBON 470K |
|
R423 |
053 CR16-224J-A |
RESISTOR CARBON 220K |
|
R424 |
053 CR16-103J-A |
RESISTOR CARBON 10K |
|
R426 |
053 CR16-564J-A |
RESISTOR CARBON 560K |
|
|
|
|
|
SYMBOL |
|
PARTS NO. |
DESCRIPTION |
|
|
|
|
R427.428 |
054 TMFR4100R |
RESISTOR METAL 1% 100R |
|
R429-432 |
054 |
MF16-1003-A |
RESISTOR METAL 100K |
RY406-408 |
063 A24W-K |
RELAY(FUNCTION) |
|
|
X-1297-03.04 PCB ASSY |
|
|
C601.602 |
041 |
50BGF4R7M |
CAPACITOR ELEC.50V4.7UF |
C603.604 |
044 FSC160V331H |
CAPACITOR STYROL 160V330PF |
|
C605.606 |
044 FSC160V471H |
CAPACITOR STYROL 160V470PF |
|
C607.608 |
041 |
25BGF100M |
CAPACITOR ELEC.25V100UF |
C609.610 |
044 FSC160V331H |
CAPACITOR STYROL 160V330PF |
|
C611.612 |
041 |
50BGF10M |
CAPACITOR ELEC.50V10UF |
C619.620 |
044 FSC160V221H |
CAPACITOR STYROL 160V220PF |
|
D601-608 |
034 T1N4148-86 |
DIODE |
|
Q601-604 |
033 |
TC2362-FG |
TRANSISTOR(2SC2362K-FG) |
Q605-610 |
033 |
TA1016-FG |
TRANSISTOR(2SA1016K-FG) |
Q611.612 |
033 |
TC2362-FG |
TRANSISTOR(2SC2362K-FG) |
Q613.614 |
033 A1209-ST |
TRANSISTOR(2SA1209-ST) |
|
Q615.616 |
033 |
C2911-ST |
TRANSISTOR(2SC2911-ST) |
R601.602 |
054 TMFR4560R |
RESISTOR METAL 1% 560R |
|
R603.604 |
054 TMFR4047K |
RESISTOR METAL 1% 47K |
|
R605-612 |
054 TMFR401K5 |
RESISTOR METAL 1% 1.5K |
|
R613-616 |
054 TMFR4220R |
RESISTOR METAL 1% 220R |
|
R617.618 |
054 |
TMF1/4-5600F |
RESISTOR MRS25 560R |
R619.620 |
054 TMFR4047K |
RESISTOR METAL 1% 47K |
|
R621-624 |
054 TMFR4100R |
RESISTOR METAL 1% 100R |
|
R625.626 |
054 |
TMF1/4-6801F |
RESISTOR MRS25 6.8K |
R627.628 |
054 |
TMF1/4-3901F |
RESISTOR MRS25 3.9K |
R635.636 |
054 TMFR4015K |
RESISTOR METAL 1% 15K |
|
R651.652 |
054 TMF3300 |
RESISTOR METAL 330R |
|
VR601.602 |
051 |
SFR001-222 |
SEMI-FIXED RESISTOR 2.2K |
|
017 C-4401A01 |
SUB HEAT SINKER |
|
|
019 TO-126 |
INSULATION SHEET |
|
|
X-1297-05 PCB ASSEMBLY |
|
|
HJ1 |
065 C-3399#1 |
PHONE JACK |
|
R677-680 |
054 TMFR4680R |
RESISTOR METAL1% 680R |
|
R682.683 |
054 |
1WS1.8KJF |
RESISTOR METAL 1W 1.8K |
S601 |
062 |
4TR-3089 |
ROTARY SWITCH(SPEAKERS) |
|
X-1297-06 PCB ASSEMBLY |
|
|
C921 |
044 DE1307E472M |
SPARK KILLER Ŷ |
|
S902 |
061 C-4176A08 |
POWER SWITCH Ŷ |
|
|
X-1297-07-10 PCB ASSY |
|
|
Q623.624 |
033 C4381-OY |
TRANSISTOR(2SC4381-OY) |
|
Q625.626 |
033 A1667-OY |
TRANSISTOR(2SA1667-OY) |
|
|
X-1298-01 PCB ASSEMBLY |
|
|
C401 |
041 UTES1J220-FB |
CAPACITOR ELEC.63V22UF |
|
C451.452 |
041 BPUE1E4R7-FB |
CAPACITOR BI-POLAR 25V4.7UF |
|
D401-405 |
034 T1N4148-86 |
DIODE |
|
PJ1 |
066 |
4TR-2408#3 |
4P PINJACK |
PJ2 |
066 |
4TR-3184 |
6P PINJACK |
Q401-405 |
032 |
TA1345 |
TRANSISTOR(2SA1345) |
Q409-413 |
032 |
TC3399 |
TRANSISTOR(2SC3399) |
R451.452 |
054 TMFR4027K |
RESISTOR METAL 1% 27K |
|
RY401-405 |
063 A24W-K |
RELAY(FUNCTION) |
|
|
|
|
|
3
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