Integra RDA-7 Service Manual
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Integra RDA-7 Service Manual

Seven channel amplifier
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See also: Instruction Manual
Silver model
UPP
UDT
UPT
SAFETY-RELATED COMPONENT
WARNING!!
COMPONENTS IDENTIFIED BY MARK
SCHEMATIC DIAGRAM AND IN THE PARTS LIST ARE
CRITICAL FOR RISK OF FIRE AND ELECTRIC SHOCK.
REPLACE THESE COMPONENTS WITH ONKYO PARTS
WHOSE PART NUMBER APPEAR AS SHOWN IN THIS
MANUAL.
MAKE LEAKAGE-CURRENT OR RESISTANCE MEA-
SUREMENTS TO DETERMINE THAT EXPOSED PARTS
ARE ACCEPTABLY INSULATED FROM THE SUPPLY
CIRCUIT BEFORE RETURNING THE APPLIANCE TO
SERVICE MANUAL
Seven Channel Amplifier
RDA-7
230 V AC
120 V AC
230 V AC
TABLE OF CONTENTS
1
2
ON THE
3
4
5
7
8
16
18
19
20
22
1
Cover page
Specifications, Supplied accesories
Unpacking abd storing the packing materials
Front panel
Rear panel
Chassis-exploded view
Parts list
Screws
Adjustment procedures
Pcboard
Primary connections
Circuit diagrams
RDA-7
Ref NO. 3651
May 2000

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Summary of Contents for Integra RDA-7

  • Page 1 RDA-7 SERVICE MANUAL Ref NO. 3651 May 2000 Seven Channel Amplifier RDA-7 Silver model 230 V AC 120 V AC 230 V AC SAFETY-RELATED COMPONENT TABLE OF CONTENTS WARNING!! Cover page Specifications, Supplied accesories COMPONENTS IDENTIFIED BY MARK ON THE...

  • Page 2: Specifications

    Power supply and voltage vary depending on the area in which the unit is purchased. Supplied accessories Instruction Manual Check that the following accessories are supplied with the RDA-7. Poly bag Power cord Power cord × 1 The power cord may differ depending on the region.

  • Page 3: Unpacking And Storing The Packing Materials

    After unpacking, store the cardboard box and packing materials in a safe place; do not throw them away. If you are to transport the RDA-7 at a later date, you will need this cardboard box and the packing materials. Outer carton...

  • Page 4: Front Panel

    RDA-7 rising excessively occurs. Turn off the RDA-7, remove the cause of the problem, and then turn the RDA-7 back on. If the problem is still not solved, turn off the RDA-7, disconnect the power cord, and contact an Onkyo service station or representative.

  • Page 5: Rear Panel

    • Do not connect the Power cord until you have finished all other connections. • Read the instructions that came with the other components you are connecting. • Do not make connections to input or output jacks while the RDA-7 is turned on (Power on).

  • Page 6: Rear Panel Facilities And Connections

    7. This jacks works on between 5 to 12 volts DC. With the recommend the use of high-quality speaker cables. Power switch of the RDA-7 set to On, you can switch the For each channel, connect the negative (or black)

  • Page 7: Chassis-Exploded View

    RDA-7 CHASSIS-EXPLODED VIEW Top Cover Amp Module Front Panel Assembly Chassis...

  • Page 8: Parts List

    RDA-7 Parts List RDA-7 Amp Module REF. NO. PART NO. DESCRIPTION Heatsink M3X6, Pan Hd Phil, BLACK oxide, Screw(PCBH) 11-1 Standoff 4.5M3X8, BR517109.0-00 PCB Bracket 6-32x3/8, Pan Hd Phil SEMS, Blk, Screw(PCBB) SP terminal Nut, Washer included (21-0062) Cover 21-0062, CL159706YA...
  • Page 9 RDA-7 REF. NO. PART NO. DESCRIPTION 4.02k 562 Ohm R69, R72, R73 215k 261k 562k 348k 7.5k R87, R88 10 Ohm R90, R91 Do Not Load Zero Ohm Jumper Tube R95, R96 Do Not Load Capacitors C1, C2 0.01uF ATI 15-0054, AC Ceramic...
  • Page 10 RDA-7 REF. NO. PART NO. DESCRIPTION CR3, CR4 LED T-1 3/4 Green CR6, CR7, CR8, CR10, Diode Switching 1N4150 or CR11, CR12 1N4148 LED T-1 Red (24-5007) CR13 DIP Bridge 1A 400V Zener 30V 400mW Axial, 1N5256B VR2 - VR5, VR8...
  • Page 11 RDA-7 REF. NO. PART NO. DESCRIPTION MJF15031 5-40x3/8(Q15), Socket Hd Cap, Blk (25-0033), Screw(TRS) 13-2 87643008 W3x8F(BC), Washer(Q15) 13-3 871130 SW-3, Spring Washer(Q15) Q16, Q18, Q20 2SC3281 5-40x1/2, Socket Hd Cap, Blk (25-0052), Screw(TRM) 12-1 Washer(Q16,Q18,Q20), Square Cone #6x.312, 25-0048...
  • Page 12 AMP Fast-On, male, 63824-1 AMP 4-Pos. Pin Header 103908-3 Terminal Block, 16 Position, SSB6FP160201NNNN FASTON USHAPE USHAPE SCREW6-32x3/8 Inrush Current Limiter PCB Module (RDA-7-030-A) Ref. No. Parts Number Description R1 ~ R4 2.5 Ohm KC003L-ND Or Equiv. P2, P3 (25-0032)
  • Page 13 RDA-7 Transformer Assy Ref. No. Parts Number Description Transformer, 4Ch Bushing, Xfmer, 94HB Inserted by ATI Transformer, 3Ch Bushing, Xfmer, 94HB Inserted by ATI Connector, transformer sec., AMP: 350779-1 (UL94-V0) TUBE Bolt, Xfmer 3/8-16x3.5 Nut, 3/8-16, ATI 25-0012 Washer, Xfmer, ATI...
  • Page 14 RDA-7 REF. NO. PART NO. DESCRIPTION Nut, HEX KEP 4-40 Zinc, (25-0030) Wire(Blk 5") Fuse Holder, UL/CSA approved(Schurter 0031 1699) Wire(White) Wire(Blk) Tube Chassis REF. NO. PART NO. DESCRIPTION Chassis (UDD,UPP,UJJ,UGT) Serial Number Label Rubber Feet, ATI 25-0164 10-32x3/4, ATI, Screw(FOOT) M4x0.7 8mm, Flat Hd, Blk, Screw(COV)
  • Page 15 RDA-7 RDA-7 AC PCB Module Jumpers REF. NO. PART NO. DESCRIPTION L, L <UDD, UDT, UJJ> H <UPP, UPT, UGT> Others REF. NO. PART NO. DESCRIPTION Chassis(UDD) <UDD,UDT> Chassis(UPP) <UPP, UPT> Chassis(UGT) <UGT> Chassis(UJJ) <UJJ> Plug for binding post, Cliff RED CL159777 <UPP, UPT, UGT>...

  • Page 16: Screws

    RDA-7 SCREWS GROU 14 - 1...
  • Page 17 RDA-7 13 - 2 13 - 3 13 - 1 11 - 1 13 - 2 13 - 2 12 - 1 13 - 3 13 - 4 13 - 3 6 - 1...

  • Page 18: Adjustment Procedures

    RDA-7 ADJUSTMENT PROCEDURES Channel Test 4. Connect a DC voltmeter to the test points TP1 and TP2 and 1. Connect the assembled channel to the power transformer and adjust the voltage to 4mV using the R46 BIAS adjustment turn it ON.
  • Page 19 RDA-7...

  • Page 20: Primary Connections

    RDA-7 RDA-7 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...
  • Page 21 RDA-7 9 10 11 12 13 14 15 16 K1-3 K2-3 K1-4 K2-4 Inrush Current Limiter Board High (RDA-7-030) Jumpers AC PCB Module (RDA-7-020)
  • Page 22 RDA-7 SCHEMATIC DIAGRAMS POWER SUPPLY...
  • Page 23 RDA-7 DRIVER CIRCUIT...
  • Page 24 RDA-7 OUTPUT STAGE AND PROTECTION...
  • Page 25 RDA-7 PROTECTION...
  • Page 26 RDA-7 AC BOARD...
  • Page 27 RDA-7 PROTECTION WIRING...
  • Page 28 RDA-7 Integra Research Division of ONKYO CORPORATION Sales & Product Planning Div. : 2-1, Nisshin-cho, Neyagawa-shi, OSAKA 572-8540, JAPAN Tel: 072-831-8111 Fax: 072-833-5222 http://www.onkyo.co.jp/ Integra Research Division of ONKYO U.S.A. CORPORATION 18 Park Way,Upper Saddle River, NJ 07458, U.S.A. Tel: 201-785-2600 Fax: 201-785-2650 E-mail: research@onkyousa.com...

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