RDA-7.1
Ref. No. 3804
SERVICE MANUAL
SEVEN CHANNEL AMPLIFIER
MODEL RDA-7.1
Nov, 2004
120 V AC, 60HzADD
230-240 V AC, 50HzAPP
APA
230-240 V AC, 50Hz
220-230 V AC, 50/60HzAGT
AGK
220-230 V AC, 50/60Hz
SAFETY-RELATED COMPONENT
WARNING!!
COMPONENTS IDENTIFIED BY MARK ON THE
SCHEMATIC DIAGRAM AND IN THE PARTS LIST ARE
CRITICAL FOR RISK OF FIRE AND ELECTRIC SHOCK.
REPLACE THESE COMPONENTS WITH ONKYO
PARTS WHOSE PART NUMBERS APPEAR AS SHOWN
IN THIS MANUAL.
MAKE LEAKAGE-CURRENT OR RESISTANCE
MEASUREMENTS TO DETERMINE THAT EXPOSED
PARTS ARE ACCEPTABLY INSULATED FROM THE
SUPPLY CIRCUIT BEFORE RETURNING THE
APPLIANCE TO THE CUSTOMER.
SPECIFICATIONS
AMPLIFIER SECTION
Number of channels :
Power :
Frequency response at -3 dB :
Input Impedance :
Input signal for max output power :
Input Sensitivity (Unbalanced) :
Input Sensitivity (Balanced) :
THD :
Damping Factor :
Power consumption
USA, Canada and some Asian model :
Other models :
Rated Speaker Impedance :
RDA-7.1
7
150 watts per channel min. RMS at 8 ohms, 2 channels
driven from 20 Hz to 20 kHz with no more than 0.1 % total
harmonic distortion (FTC).
300 watts per channel min. RMS at 4 ohms, 2 channels
driven at 1 kHz with no more than 0.1 % total harmonic
distortion (FTC).
350 W (EIAJ, 4 ohm, 1 kHz, 10 %)
300 W (DIN, 4 ohm, 1 kHz, 0.7 %)
3.5 Hz - 250 kHz
47 kohm each phase
1.2 V
100 mVrms
200 mV
0.03 % (20 Hz to 20 kHz)
40 at 8 ohm
15 A
10 A
4 ohms
GENERAL
Power Supply :
Dimensions (W x H x D) :
Weight :
Specifications and features are subject to change without notice.
Power supply and voltage vary depending on the area in which the unit is purchased.
AC 120 V, 60 Hz
AC 230 V, 50 Hz
AC 220 V, 50/60 Hz
450 x 197 x 602 mm
17-11/16" x 7-3/4" x 23-11/16"
52.5 kg, 115.7 lbs.
SERVICE PROCEDURE-1
PRIMARY CONNECTIONS FOR DIFFERENT VOLTAGES
AC Board Jumpers
For voltages in the 100V - 120V range, install the two jumpers marked L.
For voltages in the 200V - 240V range, install the single jumper marked H.
Main Transformer Jumpers
The following connections should be made for different line voltages.
RDA-7.1
100V :
K1-3 to TB1-4
P7 to TB1-3
P2 to TB1-2
K2-3 to TB1-12
P8 to TB1-11
P3 to TB1-10
110V :
K1-3 to TB1-6
P7 to TB1-5
P2 to TB1-2
K2-3 to TB1-14
P8 to TB1-13
P3 to TB1-10
120V :
K1-3 to TB1-8
P7 to TB1-7
P2 to TB1-2
K2-3 to TB1-16
P8 to TB1-15
P3 to TB1-10
200V :
K1-3 to TB1-4
TB1-2 to TB1-3
K2-3 to TB1-12
TB1-10 to TB1-11
220V :
K1-3 to TB1-6
TB1-2 to TB1-5
K2-3 to TB1-14
TB1-10 to TB1-13
230V :
K1-3 to TB1-6
TB1-2 to TB1-7
K2-3 to TB1-14
TB1-10 to TB1-15
240V :
K1-3 to TB1-8
TB1-2 to TB1-7
K2-3 to TB1-16
TB1-10 to TB1-15
SERVICE PROCEDURE-2
PRIMARY CONNECTIONS FOR DIFFERENT VOLTAGES (Continued)
TB1
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16
RDA-7.1
P2
P3
Inrush Current Limiter Board
(RDA-7-030-A)
P7
P8
K1-3 K2-3
P4
P9P1P10
AC Board (RDA-7-020-B)
Low
Jumpers
K2-4K1-4
L
L
HHigh
EXPLODED VIEWS-1
RDA-7.1
OVERALL
UN01
A35
B06
B03
A34
A52
A50
A51
B07
UN03
UN02
A52
A50
A51
A35
B02
B08
B05
B04
A635
A34
A22
x 4 pcs.
A21
B01
<Note>
A01 (Front panel ass'y) = A02 --- A08
A06
x 3 pcs.
A20
A05
A07
(10mm)
x 2 pcs.
A08
(14mm)
x 2 pcs.
A10
A02
A04
A06
x 3 pcs.
A05
A07
(10mm)
x 2 pcs.
A08
(14mm)
x 2 pcs.
A23
A03
RDA-7.1