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RDA-7.1
Ref. No. 3804

SERVICE MANUAL

Nov, 2004

SEVEN CHANNEL AMPLIFIER MODEL RDA-7.1

ADD APP APA AGT AGK

120 V AC, 60Hz 230-240 V AC, 50Hz 230-240 V AC, 50Hz 220-230 V AC, 50/60Hz 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.

RDA-7.1 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 :

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 :

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.

Specifications and features are subject to change without notice. Power supply and voltage vary depending on the area in which the unit is purchased.

RDA-7.1 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.

100V : K1-3 to P7 to P2 to K2-3 to P8 to P3 to 110V : K1-3 to P7 to P2 to K2-3 to P8 to P3 to 120V : K1-3 to P7 to P2 to K2-3 to P8 to P3 to

TB1-4 TB1-3 TB1-2 TB1-12 TB1-11 TB1-10

200V : K1-3 TB1-2 K2-3 TB1-10 220V : K1-3 TB1-2 K2-3 TB1-10 230V : K1-3 TB1-2 K2-3 TB1-10 240V : K1-3 TB1-2 K2-3 TB1-10

to to to to

TB1-4 TB1-3 TB1-12 TB1-11

TB1-6 TB1-5 TB1-2 TB1-14 TB1-13 TB1-10

to to to to

TB1-6 TB1-5 TB1-14 TB1-13

to to to to

TB1-6 TB1-7 TB1-14 TB1-15

TB1-8 TB1-7 TB1-2 TB1-16 TB1-15 TB1-10

to to to to

TB1-8 TB1-7 TB1-16 TB1-15

RDA-7.1 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

P7 P2 P3 K1-3 K1-4 P4 P1 P9
Inrush Current Limiter Board (RDA-7-030-A)

P8 K2-3 K2-4

P10

Low High

L L H

Jumpers

AC Board (RDA-7-020-B)

RDA-7.1

EXPLODED VIEWS-1
OVERALL
UN01 A635

A35

B01 B07 UN03 B06 UN02 A34

B02

A35 B03 A52 A50 A51 A52 A50 A51

B08

A01 (Front panel ass'y) = A02 --- A08 A06 x 3 pcs.

B05 A34 B04

A22 x 4 pcs. A21 A20

A07 (10mm) A05 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

RDA-7.1

EXPLODED VIEWS-2
AMPLIFIER MODULE

B11 (Red)

B12 (Black)

A65

A61 (Top)

A62 (Bottom)

RDA-7.1

A60 (Base)

RDA-7.1

EXPLODED VIEWS-3
SCREWS
A132 A131

A130 A132 A131

Cut

A132 A131

RDA-7.1

RDA-7.1 EXPLODED VIEWS-4
SCREWS

14 GROU

RDA-7.1 EXPLODED VIEWS-5
SCREWS

RDA-7.1
A B C D

SCHEMATIC DIAGRAMS-1
POWER SUPPLY 1

2

3

4

5

RDA-7.1
A B C D

SCHEMATIC DIAGRAMS-2
DRIVER CIRCUIT 1

2

3

4

C13 / C14 ROB C (For audio)
C13 / C14

C17 / C20 ROB C (For audio)
C17 / C20 C17a / C20a

5

C13a / C14a

RDA-7.1
A B C D

SCHEMATIC DIAGRAMS-3
OUTPUT STAGE AND PROTECTION 1

2

3

4

5

RDA-7.1
A B C D

SCHEMATIC DIAGRAMS-4
PROTECTION 1

2

3

4

5

RDA-7.1
A B C D

SCHEMATIC DIAGRAMS-5
AC BOARD 1

2

3

4

5

RDA-7.1
A B C D

SCHEMATIC DIAGRAMS-6
PROTECTION WIRING 1

2

3

4

5

RDA-7.1
A AMPLIFIER PC BOARD 1 UN01 AMPLIFIER PC BOARD (RDA-7-010-F)
Side-A (Top)

B

C

D

PRINTED CIRCUIT BOARD VIEWS-1

2

3

4

5

RDA-7.1
E F G H

RDA-7.1
A AMPLIFIER PC BOARD 1 UN01 AMPLIFIER PC BOARD (RDA-7-010-F)
Side-A (Top)

B

C

D

E

F

G

H

PRINTED CIRCUIT BOARD VIEWS-1

2

3

4

5

RDA-7.1
A AMPLIFIER PC BOARD 1 UN01 AMPLIFIER PC BOARD (RDA-7-010-F)
Side-B (Bottom)

B

C

D

PRINTED CIRCUIT BOARD VIEWS-2

2

3

4

5

RDA-7.1
E F G H

RDA-7.1
A AMPLIFIER PC BOARD 1 UN01 AMPLIFIER PC BOARD (RDA-7-010-F)
Side-B (Bottom)

B

C

D

E

F

G

H

PRINTED CIRCUIT BOARD VIEWS-2

2

3

4

5

RDA-7.1 ADJUSTMENT PROCEDURE-1
BIAS & DC Offset Adjustment
1. Connect the assembled channel to the power transformer. 2. Connect the power cord into an AC wall outlet. 3. Turn ON the unit. After about 3 seconds the two green LED's should turn ON. Measure the following voltages and make sure they are within the specifications. C7 (+) : 70 V +/- 3 V C9 (-) : -70 V +/- 3 V L1 : 0 V +/- 0.1 V 4. Connect the DC voltmeter to the test points TP1 (-) and TP2 (+) and adjust the voltage to 4 mV using the R46 BIAS adjustment trimming resistor. 5. Allow the channel to warm up for 30 minutes, adjusting the bias currents every 10 minutes. 6. Measure the output DC voltage and adjust it as close to zero as possible using the R24 trimming resistor.

Main Chassis Check
1. 2. 3. 4. 5. 6. 7. Assemble the chassis / power supply. Connect the power cord into an AC wall outlet. Turn ON the unit. The blue ON LED should come ON. Turn OFF the unit and plug a remote control plug into the Remote IN jack. Turn ON the unit. The Red Standby LED should be ON. Apply 12V to the remote control plug. The unit should turn ON, the blue LED should be ON. Measure the secondary voltages on all power cables going to the channels. Each secondary should read 50 VAC +/- 2 VAC.

RDA-7.1 ADJUSTMENT PROCEDURE-2
Final Assembly Check
Check the screw which is the fixation of AMPLIFIER MODULE when the electric conductivity between 1 and 2 is ruined.

1

FUSE

AC INLET

12V TRIGGER
IN OUT

Rear panel

2

1/4 PAGE

RDA-7.1
Parts marked by " NSP" are generally unavailable because they are not in our Master Spare Parts List.
NOTE : THE COMPONENTS IDENTIFIED BY THE MARK ! ARE CRITICAL FOR RISK OF FIRE AND ELECTRIC SHOCK. REPLACE ONLY WITH PART NUMBER SPECIFIED.

: DD : PP : PA : GT : GK Q'TY PART NO. (SN) 1 27212607A (1) (1) (1) (2) (6) (4) (4) 1 2 1 4 1 2 2 4 4 4 7 7 7 7 1 2 8 8 1 1 1 1 1 1 1 1 1 1 1 1 --------------28135293 28198908 27268013 82143006 28325734 27150462 27150463 27175402 28141560 28141590 27141900 27141901 27141902 27141906 29360778 28170075 87643008 871130 14-ONK-0006 56-0041 56-0042 14-ONK-0011 51-0024 21-0091 43-0010 43-0053 43-0053 43-0053 43-0053 43-0015 ! ! ! ! ! ! ! ! ! ! MARKS NSP NSP NSP NSP NSP NSP NSP

EXPLODED VIEWS PARTS LIST
EXPLODED EXPLODED EXPLODED EXPLODED EXPLODED EXPLODED EXPLODED EXPLODED EXPLODED EXPLODED EXPLODED EXPLODED EXPLODED EXPLODED EXPLODED EXPLODED EXPLODED EXPLODED EXPLODED EXPLODED EXPLODED EXPLODED EXPLODED EXPLODED EXPLODED EXPLODED EXPLODED EXPLODED EXPLODED EXPLODED EXPLODED EXPLODED EXPLODED EXPLODED EXPLODED EXPLODED EXPLODED EXPLODED EXPLODED

REF. NO. A01 A02 A03 A04 A05 A06 A07 A08 A10 A20 A21 A22 A23 A34 A35 A50 A51 A52 A60 A61 A62 A65 A635 A130 A131 A132 B01 B02 B03 B04 B05 B06 B07 B07 B07 B07 B07 B07a

PART NAME F PANEL ASS'Y F PANEL HANDLE HANDLE END CAP SCREW SCREW SCREW BADGE FACET GUIDE SCREW KNOB SHLD PLT SHLD PLT LEG CUSHION CUSHION RETAINER RETAINER RETAINER RETAINER LABEL BUSH WASHER SP WASHER TOP COVER TRANSFORMER TRANSFORMER SWITCH PLATE POWER SWITCH AC INLET FUSE HOLDER FUSE HOLDER FUSE HOLDER FUSE HOLDER FUSE HOLDER FUSE

DESCRIPTION AS --(L) (R) --3P+6FN(BC) 4TTC+10C(BC) 4TTC+14C(BC) (RESEARCH) (1) (POW) 3P+6FN(BC) (POW)AS (PT) ------(LEG) (BASE) (T) (B) (S) LABEL(FLASH) (TOSHIBA AC331) W3 x 8F(BC) SW-3(SP-WASHER) --4ch 3ch --TV-5, UL, VDE, SEMKO, 5A (UL APPROVED) (UL/CSA APPROVED) --------15A 250V UL/CSA

A01 = A02 + A03 + A04 + A05 + A06 + A07 + A08

2/4 PAGE

EXPLODED EXPLODED EXPLODED EXPLODED EXPLODED EXPLODED EXPLODED EXPLODED EXPLODED EXPLODED

B07a B07a B07a B07a B08 B11 B12 UN01 UN02 UN03

FUSE FUSE FUSE FUSE CHASSIS SP TERMINAL SP TERMINAL AMPLIFIER PC BOARD AC BOARD
INRUSH CURRENT LIMITER BOARD

LITTELFUSE TYPE 215 LITTELFUSE TYPE 215 LITTELFUSE TYPE 215 LITTELFUSE TYPE 215 (ADD, APP, APA, AGT, AGK, AJJ) (RED) (BLACK) (RDA-7-010-F) (RDA-7-020-B) (RDA-7-030-A)

1 1 1 1 1 7 7 7 1 1

43-0004 43-0004 43-0004 43-0004 --21-0182 21-0183 --70-ONK-0002 ---

! ! ! ! NSP

NSP NSP

RDA-7.1

PRINTED CIRCUIT BOARD PARTS LIST
UN01
PCB01 PCB01 PCB01 PCB01 PCB01 PCB01 PCB01 PCB01 PCB01 PCB01 PCB01 PCB01 PCB01 PCB01 PCB01 PCB01 PCB01 PCB01 PCB01 PCB01 PCB01 PCB01 PCB01 PCB01 PCB01 PCB01 PCB01 PCB01 PCB01 PCB01 PCB01 PCB01 PCB01 PCB01 PCB01

AMPLIFIER PC BOARD (RDA-7-010-F)
DESCRIPTION LP2951CN (Voltage Regulator) LM317L (Voltage Regulator) LM317L (Voltage Regulator) LM385Z (Voltage Reference) PS2502-1 TLC372CP (Dual Comparator) CD4013BCN (Dual D Flip-Flop) CD4025BCN (Triple 3 Input NOR) TLC555 8PIN DIP PS2502-1 MOS FET IRF620 or IRF621 IRF540 2N5401 2N5551 IRF5210 or IRF9540N 2SC3381 2SC3381 2SA1349 2N5550 2N5400 2SA1837 2SC4793 MJF15030 MJF15030 MJF15031 2SC5200-O 2SA1943-O 2SC5200-O 2SA1943-O 2SC5200-O 2SA1943-O MPS2222A MPS2222A RECTIFIER BRIDGE 10A 400V RECTIFIER BRIDGE 10A 400V Q'TY PART NO. (SN) 1 48-0097 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 48-0098 48-0098 48-0099 24120092 48-0101 48-0102 48-0103 48-0104 24120092 48-0085 48-0087 48-0088 48-0089 48-0086 48-0041 48-0041 48-0043 48-0090 48-0091 48-0092 48-0093 48-0094 48-0094 48-0095 2202823 2202813 2202823 2202813 2202823 2202813 48-0096 48-0096 48-0039 48-0039 MARKS

CIRCUIT NO. PART NAME U1 IC U2 U3 U4 U5 U6 U7 U8 U9 U10 Q1 Q2 Q3 Q4 Q5 Q6 Q7 Q8 Q9 Q10 Q11 Q12 Q13 Q14 Q15 Q16 Q17 Q18 Q19 Q20 Q21 Q23 Q24 CR1 CR2 IC IC IC PHT CP IC IC IC IC PHT CP TR TR TR TR TR TR TR TR TR TR TR TR TR TR TR TR TR TR TR TR TR TR TR DIODE DIODE

3/4 PAGE

PCB01 PCB01 PCB01 PCB01 PCB01 PCB01 PCB01 PCB01 PCB01 PCB01 PCB01 PCB01 PCB01 PCB01 PCB01 PCB01 PCB01 PCB01 PCB01 PCB01 PCB01 PCB01 PCB01 PCB01 PCB01 PCB01 PCB01 PCB01 PCB01 PCB01 PCB01 PCB01 PCB01

CR6 CR7 CR8 CR10 CR11 CR12 CR13 VR1 VR2 VR3 VR4 VR5 VR6 VR7 VR8 C3 C4 C5 C6 C7 C9 C13, C13a C14, C14a C17, C17a C20, C20a C40 R24 R46 F3 F4 S1 J2 J3

DIODE DIODE DIODE DIODE DIODE DIODE DIODE DIODE DIODE DIODE DIODE DIODE DIODE DIODE DIODE ELECT C ELECT C ELECT C ELECT C ELECT C ELECT C ROB C ROB C ROB C ROB C ELECT C TRIM R TRIM R FUSE FUSE SW JACK JACK

SWITCHING 1N4150 SWITCHING 1N4150 SWITCHING 1N4150 SWITCHING 1N4150 SWITCHING 1N4150 SWITCHING 1N4150 DIP BRIDGE 1A 400V 4PIN ZENER 30V 400mW 1N5256B ZENER 24V 400mW 1N5252B ZENER 24V 400mW 1N5252B ZENER 24V 400mW 1N5252B ZENER 24V 400mW 1N5252B ZENER 12V 400mW 1N5242B ZENER 12V 400mW 1N5242B ZENER 24V 400mW 1N5252B CE69W80V-10000M CE69W80V-10000M CE69W80V-10000M CE69W80V-10000M 100uF 100V 100uF 100V CE04W35V-100M(ROB) (For audio) CE04W35V-100M(ROB) (For audio) CE04W50V-22M(ROB) (For audio) CE04W50V-22M(ROB) (For audio) 100uF 100V TRIMPOT 50 kohm (503) TRIMPOT 25 Turn 500 ohm (501) LITTLE FUSE R251 015 F837-ND LITTLE FUSE R251 015 F837-ND NKKM2022S2A2G30 XLR NC3FAHL-2 RCA

1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 2 2 2 2 1 1 1 1 1 1 1 1

48-0025 48-0025 48-0025 48-0025 48-0025 48-0025 48-0011 48-0015 48-0036 48-0036 48-0036 48-0036 48-0084 48-0084 48-0036 3504395 3504395 3504395 3504395 15-0104 15-0104 395861017 395861017 395882207 395882207 15-0104 46-0019 46-0020 43-0042 43-0042 51-0035 21-0126 21-0110

UN02
PCB02 PCB02 PCB02 PCB02 PCB02 PCB02 PCB02 PCB02 PCB02 PCB02 PCB02

AC BOARD (RDA-7-020-B)
DESCRIPTION TLC555 8PIN DIP MPS2222A MPS2222A DIP BRIDGE 1A 400V 4PIN SWITCHING 1N4150 SWITCHING 1N4150 SEL2E10C (BLUE) LITTLE FUSE R251 001 F826-ND MICROTRAN MT3101 821-W-1A-C 12V DC 821-W-1A-C 12V DC Q'TY PART NO. (SN) 1 48-0104 1 1 1 1 1 1 1 1 1 1 48-0096 48-0096 48-0011 48-0025 48-0025 225374 43-0043 56-0168 51-0009 51-0009 ! ! MARKS

CIRCUIT NO. PART NAME U1 IC Q1 Q2 CR1 CR2 CR3 CR4 F2 T1 K1 K2 TR TR DIODE DIODE DIODE LED FUSE TRANSFORMER RELAY RELAY

RDA-7.1

PACKING PROCEDURE PARTS LIST

4/4 PAGE

PACKING PACKING PACKING PACKING PACKING PACKING PACKING PACKING PACKING PACKING PACKING PACKING PACKING PACKING PACKING PACKING PACKING PACKING PACKING PACKING PACKING PACKING PACKING PACKING PACKING PACKING PACKING PACKING PACKING PACKING PACKING PACKING

REF. NO. 01 02 03 04 05 06 07 08 08 08 08 08 09 10 11 12 12 12 12 12 13 14 15 15 15 15 15 16 16 16 17 18

PART NAME INNER CARTON PAD POLY BAG WARNING LABEL LABEL TAPE POLY BAG INS MANUAL INS MANUAL INS MANUAL INS MANUAL INS MANUAL INS MANUAL INS MANUAL WRNTY CARD AC CORD AC CORD AC CORD AC CORD AC CORD PLUG CORD OUTER CARTON UPC LABEL EAN LABEL EAN LABEL EAN LABEL EAN LABEL PP TAPE PP TAPE PP TAPE DESTINATION LABEL INST SHEET

DESCRIPTION RDA-7.1 L&R ----(PE-LD) (SEROHAN) NITTO NO.29 350 x 250 E(RDA7.1) E(RDA7.1) E(RDA7.1) E(RDA7.1) E(RDA7.1) U6(RDA-7.1) T(RDA-7.1) (RESEARCH) 120V 230V 230V 230V 230V 3.5-MINI PLUG (RI) RDA-7.1 ----------W50 W48 OPP TAPE NITTO 3703 SUPER W50L100 --E(RDA-7.1)

Q'TY PART NO. (SN) 1 34-ONK-0001 1 1 1 1 (1) 2 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 (1) (1) (1) (1) (1) (1) (1) (1) (2) 1 34-ONK-0003 34-0010 --29361573 29110149 29100097-1A 29343637A 29343637A 29343637A 29343637A 29343637A 29343638A 29343639A 29365091A 65-0120 65-0136 65-0136 65-0136 65-0136 2010200 34-ONK-0002 29363591 29363590 29363590 29363590 29363590 29110071 or 29110148 or 29110176 --29355513

MARKS

NSP





NSP

RDA-7.1 PACKING PROCEDURE-1
INNER CARTON
03 06 02 02

05 04
FRONT SIDE

01 Inner carton

08 18 09 11 10

07 12 07

06

13

06

Inner carton

RDA-7.1 PACKING PROCEDURE-2
OUTER CARTON
16

Inner carton

R

A D R . -7 1
E S E H C 1 . R A DA-7 E R S

15

A

R RD C H A7.1

R

E

15

14 Outer carton

16

RD A-

ARD 7.1

17

16

R
7.1

A D

-7

.1

RDA-7.1

Integra Research Division of ONKYO CORPORATION Sales & Product Planning Div. : 2-1, Nisshin-cho, Neyagawa-shi, OSAKA 572-8540, JAPAN Tel: 072-831-8023 Fax: 072-831-8124 http://www.onkyo.com/ Integra Research Division of ONKYO U.S.A. CORPORATION 18 Park Way, Upper Saddle River, N.J. 07458, U.S.A. Tel: 201-785-2600 Fax: 201-785-2650 http://www.integraresearch.com ONKYO EUROPE ELECTRONICS GmbH Liegnitzerstrasse 6, 82194 Groebenzell, GERMANY Tel: +49-8142-4401-0 Fax: +49-8142-4401-555 http://www.onkyo.net ONKYO EUROPE UK Office Suite 1, Gregories Court, Gregories Road, Beaconsfield, Buckinghamshire, HP9 1HQ UNITED KINGDOM Tel: +44-(0)1494-681515 Fax: +44(0)-1494-680452 ONKYO CHINA LIMITED Units 2102-2107, Metroplaza Tower I, 223 Hing Fong Road, Kwai Chung, N.T., HONG KONG Tel: 852-2429-3118 Fax: 852-2428-9039 http://www.onkyochina.com