Onkyo-RDA7_1-pwr-sm 电路图维修手册.pdf

上传人：cc518

文档编号：244288

上传时间：2025-10-12

格式：PDF

页数：29

大小：2.95MB

《Onkyo-RDA7_1-pwr-sm 电路图维修手册.pdf》由会员分享，可在线阅读，更多相关《Onkyo-RDA7_1-pwr-sm 电路图维修手册.pdf（29页珍藏版）》请在收音机爱好者资料库上搜索。

1、RDA-7.1 SERVICE MANUALSERVICE MANUAL SEVEN CHANNEL AMPLIFIER MODEL RDA-7.1 120 V AC, 60HzADD Ref. No. 3804 Nov, 2004 230-240 V AC, 50HzAPP 230-240 V AC, 50HzAPA 220-230 V AC, 50/60HzAGT 220-230 V AC, 50/60HzAGK SAFETY-RELATED COMPONENT WARNING! COMPONENTS IDENTIFIED BY MARK ON THE SCHEMATIC DIAGRAM

2、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

3、 RETURNING THE APPLIANCE TO THE CUSTOMER. RadioFans.CN 收音机爱好者资料库 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 Fa

4、ctor : Power consumption USA, Canada and some Asian model : Other models : Rated Speaker Impedance : GENERAL Power Supply : Dimensions (W x H x D) : Weight : 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). 30

5、0 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 oh

6、ms 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. RadioFans.CN 收音机爱好者资料库 RDA-7

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

8、 different line voltages. 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 T

9、B1-4 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 RadioFans.CN 收音机爱好者资料库 RDA-7.1 SERVICE PROC

10、EDURE-2 PRIMARY CONNECTIONS FOR DIFFERENT VOLTAGES (Continued) Inrush Current Limiter Board (RDA-7-030-A) AC Board (RDA-7-020-B) P2 TB1 P3 P7 P4 P9 P1 P10 P8 K1-3K2-3 K2-4K1-4 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 Low L L HHigh Jumpers RDA-7.1 EXPLODED VIEWS-1 OVERALL RDA-7.1 B06 A50 B03 A51 A50 A5

11、1 B04 A06 x 3 pcs. A05 A08 (14mm) x 2 pcs. A07 (10mm) x 2 pcs. A03 A23 A04 A02 A07 (10mm) x 2 pcs. A08 (14mm) x 2 pcs. A05 A06 x 3 pcs. A22 x 4 pcs. A21 A20 B02 UN02 A35 UN01 A34 B01 B07 UN03 A34 A35 A10 A01 (Front panel assy) = A02 - A08 A635 B08 A52 A52 B05 RDA-7.1 EXPLODED VIEWS-2 AMPLIFIER MODUL

12、E RDA-7.1 A61 (Top) A60 (Base) A62 (Bottom) B12 (Black) B11 (Red) A65 RDA-7.1 EXPLODED VIEWS-3 SCREWS RDA-7.1 Cut A132A131 A130 A132A131 A132A131 RDA-7.1 EXPLODED VIEWS-4 SCREWS 14 GROU RDA-7.1 EXPLODED VIEWS-5 SCREWS RDA-7.1 SCHEMATIC DIAGRAMS-1 POWER SUPPLY A 1 2 3 4 5 BCD RDA-7.1 SCHEMATIC DIAGRA

13、MS-2 DRIVER CIRCUIT A 1 2 3 4 5 BCD C13 / C14 ROB C (For audio) C13 / C14 C13a / C14a C17 / C20 ROB C (For audio) C17 / C20 C17a / C20a RDA-7.1 SCHEMATIC DIAGRAMS-3 OUTPUT STAGE AND PROTECTION A 1 2 3 4 5 BCD RDA-7.1 SCHEMATIC DIAGRAMS-4 PROTECTION A 1 2 3 4 5 BCD RDA-7.1 SCHEMATIC DIAGRAMS-5 AC BOA

14、RD A 1 2 3 4 5 BCD RDA-7.1 SCHEMATIC DIAGRAMS-6 PROTECTION WIRING A 1 2 3 4 5 BCD RDA-7.1 PRINTED CIRCUIT BOARD VIEWS-1 AMPLIFIER PC BOARD RDA-7.1 A 1 2 3 4 5 BCDEFGH AMPLIFIER PC BOARD (RDA-7-010-F)UN01 Side-A (Top) RDA-7.1 PRINTED CIRCUIT BOARD VIEWS-1 AMPLIFIER PC BOARD RDA-7.1 A 1 2 3 4 5 BCDEFG

15、H AMPLIFIER PC BOARD (RDA-7-010-F)UN01 Side-A (Top) RDA-7.1 PRINTED CIRCUIT BOARD VIEWS-1 AMPLIFIER PC BOARD A 1 2 3 4 5 BCDEFGH AMPLIFIER PC BOARD (RDA-7-010-F)UN01 Side-A (Top) RDA-7.1 PRINTED CIRCUIT BOARD VIEWS-2 AMPLIFIER PC BOARD RDA-7.1 A 1 2 3 4 5 BCDEFGH AMPLIFIER PC BOARD (RDA-7-010-F)UN01

16、 Side-B (Bottom) RDA-7.1 PRINTED CIRCUIT BOARD VIEWS-2 AMPLIFIER PC BOARD RDA-7.1 A 1 2 3 4 5 BCDEFGH AMPLIFIER PC BOARD (RDA-7-010-F)UN01 Side-B (Bottom) RDA-7.1 PRINTED CIRCUIT BOARD VIEWS-2 AMPLIFIER PC BOARD A 1 2 3 4 5 BCDEFGH AMPLIFIER PC BOARD (RDA-7-010-F)UN01 Side-B (Bottom) RDA-7.1 ADJUSTM

17、ENT PROCEDURE-1 C7 (+) C9 (-) L1 : 70 V +/- 3 V : -70 V +/- 3 V : 0 V +/- 0.1 V 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 pl

18、ug 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. BIAS & DC O

19、ffset Adjustment Connect the assembled channel to the power transformer. Connect the power cord into an AC wall outlet. Turn ON the unit. After about 3 seconds the two green LEDs should turn ON. Measure the following voltages and make sure they are within the specifications. Connect the DC voltmeter

20、 to the test points TP1 (-) and TP2 (+) and adjust the voltage to 4 mV using the R46 BIAS adjustment trimming resistor. Allow the channel to warm up for 30 minutes, adjusting the bias currents every 10 minutes. Measure the output DC voltage and adjust it as close to zero as possible using the R24 tr

21、imming resistor. 1. 2. 3. 4. 5. 6. RDA-7.1 ADJUSTMENT PROCEDURE-2 AC INLETFUSE12V TRIGGER INOUT 2 1 Final Assembly Check Check the screw which is the fixation of AMPLIFIER MODULE when the electric conductivity between 1 and 2 is ruined. Rear panel 1/4 PAGE RDA-7.1 Parts marked by NSP are generally u

22、navailable because they are not in our Master Spare Parts List. EXPLODED VIEWS PARTS LIST REF. NO.PART NAMEDESCRIPTIONQTY PART NO. (SN)MARK EXPLODEDA01 F PANEL ASSYAS127212607A EXPLODEDA02 F PANEL-(1)27212608A EXPLODEDA03 HANDLE(L)(1)28158002 EXPLODEDA04 HANDLE(R)(1)28158004 EXPLODEDA05 END CAP-(2)2

23、8125372 EXPLODEDA06 SCREW3P+6FN(BC)(6)82143006 EXPLODEDA07 SCREW4TTC+10C(BC)(4)830440109 EXPLODEDA08 SCREW4TTC+14C(BC)(4)830440149 EXPLODEDA10 BADGE(RESEARCH)128135293 EXPLODEDA20 FACET(1) 228198908 EXPLODEDA21 GUIDE(POW)127268013 EXPLODEDA22 SCREW3P+6FN(BC)482143006 EXPLODEDA23 KNOB(POW)AS128325734

24、 EXPLODEDA34 SHLD PLT(PT)227150462 EXPLODEDA35 SHLD PLT-227150463 EXPLODEDA50 LEG-427175402 EXPLODEDA51 CUSHION-428141560 EXPLODEDA52CUSHION(LEG)428141590 EXPLODEDA60 RETAINER(BASE)727141900 EXPLODEDA61 RETAINER(T)727141901 EXPLODEDA62 RETAINER(B)727141902 EXPLODEDA65 RETAINER(S)727141906 EXPLODEDA6

25、35 LABELLABEL(FLASH)129360778 EXPLODEDA130 BUSH(TOSHIBA AC331)228170075 EXPLODEDA131 WASHERW3 x 8F(BC)887643008 EXPLODEDA132 SP WASHERSW-3(SP-WASHER)8871130 EXPLODEDB01TOP COVER-114-ONK-0006 EXPLODEDB02TRANSFORMER4ch156-0041 ! EXPLODEDB03TRANSFORMER3ch156-0042 ! EXPLODEDB04SWITCH PLATE-114-ONK-0011

26、EXPLODEDB05POWER SWITCHTV-5, UL, VDE, SEMKO, 5A151-0024 ! EXPLODEDB06AC INLET(UL APPROVED)121-0091 ! EXPLODEDB07FUSE HOLDER(UL/CSA APPROVED)143-0010 ! EXPLODEDB08CHASSIS(ADD, APP, APA, AGT, AGK, AJJ)1-NSP EXPLODEDB11SP TERMINAL(RED)7-NSP EXPLODEDB12SP TERMINAL(BLACK)7-NSP EXPLODEDUN01AMPLIFIER PC BO

27、ARD(RDA-7-010-F)7-NSP EXPLODEDUN02AC BOARD(RDA-7-020-B)170-ONK-0002 EXPLODEDUN03INRUSH CURRENT LIMITER BOARD(RDA-7-030-A)1-NSP NOTE : THE COMPONENTS IDENTIFIED BY THE MARK ! ARE CRITICAL FOR RISK OF FIRE AND ELECTRIC SHOCK. REPLACE ONLY WITH PART NUMBER SPECIFIED. 2/4 PAGE RDA-7.1 PRINTED CIRCUIT BO

28、ARD PARTS LIST UN01AMPLIFIER PC BOARD (RDA-7-010-F) CIRCUIT NO. PART NAMEDESCRIPTIONQTY PART NO. (SN)MARK PCB01U1ICLP2951CN (Voltage Regulator)148-0097 PCB01U2ICLM317L (Voltage Regulator)148-0098 PCB01U3ICLM317L (Voltage Regulator)148-0098 PCB01U4ICLM385Z (Voltage Reference)148-0099 PCB01U5 PHT CPPS

29、2502-1124120092 PCB01U6ICTLC372CP (Dual Comparator)148-0101 PCB01U7ICCD4013BCN (Dual D Flip-Flop)148-0102 PCB01U8ICCD4025BCN (Triple 3 Input NOR)148-0103 PCB01U9ICTLC555 8PIN DIP148-0104 PCB01U10PHT CPPS2502-1124120092 PCB01Q1TRMOS FET IRF620 or IRF621148-0085 PCB01Q2TRIRF540148-0087 PCB01Q3TR2N5401

30、148-0088 PCB01Q4TR2N5551148-0089 PCB01Q5TRIRF5210 or IRF9540N148-0086 PCB01Q6TR2SC3381148-0041 PCB01Q7TR2SC3381148-0041 PCB01Q8TR2SA1349148-0043 PCB01Q9TR2N5550148-0090 PCB01Q10TR2N5400148-0091 PCB01Q11TR2SA1837148-0092 PCB01Q12TR2SC4793148-0093 PCB01Q13TRMJF15030148-0094 PCB01Q14TRMJF15030148-0094

31、PCB01Q15TRMJF15031148-0095 PCB01Q16TR2SC5200-O12202823 PCB01Q17TR2SA1943-O12202813 PCB01Q18TR2SC5200-O12202823 PCB01Q19TR2SA1943-O12202813 PCB01Q20TR2SC5200-O12202823 PCB01Q21TR2SA1943-O12202813 PCB01Q23TRMPS2222A148-0096 PCB01Q24TRMPS2222A148-0096 PCB01CR1DIODERECTIFIER BRIDGE 10A 400V148-0039 PCB0

32、1CR2DIODERECTIFIER BRIDGE 10A 400V148-0039 PCB01CR6DIODESWITCHING 1N4150148-0025 PCB01CR7DIODESWITCHING 1N4150148-0025 PCB01CR8DIODESWITCHING 1N4150148-0025 PCB01CR10DIODESWITCHING 1N4150148-0025 PCB01CR11DIODESWITCHING 1N4150148-0025 PCB01CR12DIODESWITCHING 1N4150148-0025 PCB01CR13DIODEDIP BRIDGE 1

33、A 400V 4PIN148-0011 PCB01VR1DIODEZENER 30V 400mW 1N5256B148-0015 PCB01VR2DIODEZENER 24V 400mW 1N5252B148-0036 PCB01VR3DIODEZENER 24V 400mW 1N5252B148-0036 3/4 PAGE PCB01VR4DIODEZENER 24V 400mW 1N5252B148-0036 PCB01VR5DIODEZENER 24V 400mW 1N5252B148-0036 PCB01VR6DIODEZENER 12V 400mW 1N5242B148-0084 P

34、CB01VR7DIODEZENER 12V 400mW 1N5242B148-0084 PCB01VR8DIODEZENER 24V 400mW 1N5252B148-0036 PCB01C3 ELECT CCE69W80V-10000M13504395 PCB01C4 ELECT CCE69W80V-10000M13504395 PCB01C5 ELECT CCE69W80V-10000M13504395 PCB01C6 ELECT CCE69W80V-10000M13504395 PCB01C7ELECT C100uF 100V115-0104 PCB01C9ELECT C100uF 10

35、0V115-0104 PCB01C13, C13aROB CCE04W35V-100M(ROB) (For audio)2395861017 PCB01C14, C14aROB CCE04W35V-100M(ROB) (For audio)2395861017 PCB01C17, C17aROB CCE04W50V-22M(ROB) (For audio)2395882207 PCB01C20, C20aROB CCE04W50V-22M(ROB) (For audio)2395882207 PCB01C40ELECT C100uF 100V115-0104 PCB01R24TRIM RTRI

36、MPOT 50 kohm (503)146-0019 PCB01R46TRIM RTRIMPOT 25 Turn 500 ohm (501)146-0020 PCB01F3FUSELITTLE FUSE R251 015 F837-ND143-0042 PCB01F4FUSELITTLE FUSE R251 015 F837-ND143-0042 PCB01S1SWNKKM2022S2A2G30151-0035 PCB01J2JACKXLR NC3FAHL-2121-0126 PCB01J3JACKRCA121-0110 UN02AC BOARD (RDA-7-020-B) CIRCUIT N

37、O. PART NAMEDESCRIPTIONQTY PART NO. (SN)MARK PCB02U1ICTLC555 8PIN DIP148-0104 PCB02Q1TRMPS2222A148-0096 PCB02Q2TRMPS2222A148-0096 PCB02CR1DIODEDIP BRIDGE 1A 400V 4PIN148-0011 PCB02CR2DIODESWITCHING 1N4150148-0025 PCB02CR3DIODESWITCHING 1N4150148-0025 PCB02CR4 LEDSEL2E10C (BLUE)1225374 PCB02F2FUSELIT

38、TLE FUSE R251 001 F826-ND143-0043 ! PCB02T1TRANSFORMERMICROTRAN MT3101156-0168 ! PCB02K1RELAY821-W-1A-C 12V DC151-0009 PCB02K2RELAY821-W-1A-C 12V DC151-0009 RDA-7.1 PACKING PROCEDURE PARTS LIST REF. NO.PART NAMEDESCRIPTIONQTY PART NO. (SN)MARK PACKING01INNER CARTONRDA-7.1134-ONK-0001 PACKING02PADL &

39、 R1-NSP PACKING03POLY BAG-134-0010 PACKING04WARNING LABEL -1-NSP PACKING05LABEL(PE-LD)129361573 PACKING06TAPE(SEROHAN) NITTO NO.29(1)29110149 PACKING07POLY BAG350 x 250229100097-1A PACKING08INS MANUALE(RDA7.1)129343637A PACKING08INS MANUALE(RDA7.1)129343637A 4/4 PAGE PACKING08INS MANUALE(RDA7.1)1293

40、43637A PACKING08INS MANUALE(RDA7.1)129343637A PACKING08INS MANUALE(RDA7.1)129343637A PACKING09INS MANUALU6(RDA-7.1)129343638A PACKING10INS MANUALT(RDA-7.1)129343639A PACKING11WRNTY CARD(RESEARCH)129365091A PACKING12AC CORD-1-NSP PACKING13PLUG CORD3.5-MINI PLUG (RI)12010200 PACKING14OUTER CARTONRDA-7

41、.1134-ONK-0002 PACKING15UPC LABEL-(1)29363591 PACKING15EAN LABEL-(1)29363590 PACKING15EAN LABEL-(1)29363590 PACKING15EAN LABEL-(1)29363590 PACKING15EAN LABEL-(1)29363590 PACKING16PP TAPEW50(1)29110071 or PACKING16PP TAPEW48 OPP TAPE(1)29110148 or PACKING16PP TAPENITTO 3703 SUPER W50L100(1)29110176 P

42、ACKING17DESTINATION LABEL-(2)-NSP PACKING18INST SHEETE(RDA-7.1)129355513 RDA-7.1 PACKING PROCEDURE-1 INNER CARTON 01 Inner carton 06 03 02 02 04 12 13 07 06 07 06 05 09 11 10 08 18 FRONT SIDE Inner carton RDA-7.1 PACKING PROCEDURE-2 OUTER CARTON RDA-7.1 RDA-7.1 RDA-7.1 RDA-7.1 RDA-7.1 RDA-7.1 R E S E A R C H R E S E A R C H 14 Outer carton 17 16 15 15 16 16 Inner carton