Dynacord-DPA4245-pwr-sm维修电路原理图.pdf

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1、 SERVICE MANUAL DPA 4245 / DPA 4260 POWER AMPLIFIER RadioFans.CN 收音机爱 好者资料库 1 MEASUREMENT SPECIFICATIONS: DPA power amplifierscomplete appliance Names of the individual printed board assemblies and their corresponding EDP numbers: EDP numbers of the main boards DPA 4245DPA 4260 84 18884 189 Board se

2、ctionIndex Main PCB1 Supply PCB4 LED PCB3 Input-PCB (index 1) and Output-PCB (Index 2) are located on the printed board assembly 81340. Measuring conditions, unless differently specified: - measuring tolerance:X= 1.5dB - measuring frequency:f = 1kHz - all stated levels refer to:U= 775mV (0dBu) - lev

3、el controls are set to their clockwise margin: - XLR connector pin-assignment:PIN 1= GROUND/SHIELD PIN 2 = + INPUT PIN 3 = - INPUT - source impedance for the induction via the XLR-type connector: R(Q) = 50 ohms - the AMPLIFIER PCB is provided with service connectors: CNS1CNS2CNRC PINAssigned toPINAs

4、signed toPINAssigned to 1-Vcc1LIM A Switch1LIM Out A 2BIAS +A2-15V2LIM Out B 3BIAS -A3LIM B Switch3Standby via RC 4FAN Voltage4+15V4Standby LED 5+Vcc5AGND5-Vss 6BIAS +B6Speaker Out A6+Vss 7BIAS -B7Relay/Protect7n.c. 8Temp Heatsink8Speaker Out B8n.c. - Pin-assignment of the power amplifiers output co

5、nnector: PINFunctionChannel 1+ pole of the 100V output and + pole of the 25V output 2- pole of the 25V output and + pole of the 70V output 3- pole of the 70V output and - pole of the 100V outputB 4+ pole Direct Output 5- pole Direct Output 6,7not assigned- 8- pole Direct Output 9+ pole Direct Output

6、 10- pole of the 70V output and - pole of the 100V outputA 11- pole of the 25V output and + pole of the 70V output 12+ pole of the 100V output and + pole of the 25V output Pin-assignment of the Power Remote connector:PIN 1 control voltage - PIN 2 control voltage + RadioFans.CN 收音机爱 好者资料库 2 Nominal l

7、oad impedances 100V output70V output25V output DPA 424528,5 14 1,8 DPA 426020 9,8 1,25 1. Operation voltage: U(B) = 230V / 50Hz . 60Hz 2. Deviation limit of the operation voltage:-30% . +10% 3. Power consumption (both channels driven via the 100V output, f = 1kHz) DPA 4245DPA 4260 idling condition p

8、ower consumption30-60W40-80W nominal power consumption (nominal load)1580W1950W standard power consumption (nominal load)470W620W maximum power consumption (nominal load)1680W2180W power consumption at 1/8 of the maximum output capacity600W870W 4. Settings 4.1. IDLING CURRENT ADJUSTMENT Connect the

9、DC-volt meter at the BIAS measuring points (refer to service connectors) and adjust the idling current via the trim potentiometer VR101/VR301 (located on the Main PCB). Adjust both channels of the power amplifier A during the noise interference measurement, the outputs have to be without load Power

10、amplifierOutputU(F) dBu U(G) dBu U(A) dBu IN(A) dBu S/N-R. dB LEVEL control up DPA 4245, 4260100V-55-45-57-102100 DPA 4245, 426070V-58-47-60-102100 DPA 4245, 426025V-68-56-70-102100 DPA 4245, 4260Direct-64-52-66-102100 LEVEL control down DPA 4245, 4260100V-57-47-59- DPA 4245, 426070V-59-50-61- DPA 4

11、245, 426025V-70-58-72- DPA 4245, 4260Direct-66-54-68- 13. Settings when shipped BRIDGED MODE switch set to NORMAL. INPUT ROUTING switch set to DUAL/STEREO. LEVEL control all the way right. 14. Dimensions and Weight Power amplifierWeightDimensions in mm DPA 424520.5kg483 x 132.5 x 385.5 DPA 426022.5k

12、g483 x 132.5 x 385.5 Seite / Page 1 / 9 Ersatzteilliste - Bill of Materials 121714DPA 4245 2X450W VERST. Pos. Nr. Ref. No. Best. Nr. Part No.BezeichnungDescription ZubehrAccessories & packing material 355871BEDIENUNGSANL. DPA4245/426user manual DPA4245/4260 300425KABEL-NETZ 2.0 M 10A power cable Eur

13、ope 354179KABELGEHUSE 12POL KGS-MSconnector housing 354178STECKERLEISTE 12POL IC2.5/connector male 12-pin 354885BUCHSENLEISTE 2POL connector female 2-pole 354691BUCHSENLEISTE 3POL connector female 3-pole 332652KRT. L 2400 612X570X270carton outer 347526KRT. IN L 2400 502X465X155carton inner 303715STY

14、ROPOR-ECK 150X150X150X50styrofoam #2 348018SCHUTZFOLIE 1200X800X0,05 poly bag 327495STYROPOR-ECK 150X150X100X50styrofoam #1 345438SCHUTZHLLE 165X345X0,05 plastic bag 349988FALTEINLAGE 750X280carton filler 349989FALTEINLAGE 1864X150carton filler Mechanische TeileCabinet material G0010343270GLRI GBPC

15、3504 rectifier GBPC-P 3504 337059KNOPF-TASTE 12X7 SW 3.3push button black 12x7 357958DK 11 SW/WS/RT C 6FL rotary knob 348415LFTER TYP FBAO8A24H DCfan dc 24V 349693KABEL-KONFEKT 4POL 0.670Mribbon cable assy 4-way 346790KABEL-KONFEKT 8POL 0.300Mribbon cable assy 8way 349691KABEL-KONFEKT 8POL 0.440Mrib

16、bon cable assy 8way 355873FB.DPA4245 BEDfront panel DPA4245 355915DEC.3HE DPA4245,4260 top cover 354549NT-RG.Q44/S900/CPS1 230V power transformer 230V 348805WI-SO PTC K155 100GRADsafety component PTC 348341FEDERLEISTE 3POL CE100-connector female 3-pole 354805T-RG.DPA4245 100Voutput transformer 100V

17、348341FEDERLEISTE 3POL CE100-connector female 3-pole 841888PCBAR#DPA4245 pcb assy 84188 CNAC1343516FL.STECKER 4.8/0.5 connector 4.8mm faston CNAC2343516FL.STECKER 4.8/0.5 connector 4.8mm faston CNGND343516FL.STECKER 4.8/0.5 connector 4.8mm faston CNGN1330269FL.STECKER 6.3/0.8 connector 6.3mm faston

18、CN001344862MESSERLST. 8POL connector male 8-pin CN002348334STIFTLEISTE 3POL MLSSconnector male 3-pin CN003348334STIFTLEISTE 3POL MLSSconnector male 3-pin CN005348334STIFTLEISTE 3POL MLSSconnector male 3-pin CN007330269FL.STECKER 6.3/0.8 connector 6.3mm faston CN010330269FL.STECKER 6.3/0.8 connector

19、6.3mm faston CN013330269FL.STECKER 6.3/0.8 connector 6.3mm faston CN018341937MESSERLST. 4POL connector male 4-pin CN019330269FL.STECKER 6.3/0.8 connector 6.3mm faston Seite / Page 2 / 9 121714DPA 4245 2X450W VERST. Pos. Nr. Ref. No. Best. Nr. Part No.BezeichnungDescription CN020344862MESSERLST. 8POL

20、 connector male 8-pin CN08X343516FL.STECKER 4.8/0.5 connector 4.8mm faston CN18X341937MESSERLST. 4POL connector male 4-pin CN20X344862MESSERLST. 8POL connector male 8-pin C0001342923KO-FOL 0.220MF 63V 5%cap mylar 220nF C0002307445KO-EL 10.000MF 35V cap electrolytic 10uF/35V C0005329021KO-KER 0.10MF

21、100V 20%cap ceramic 100nF C0006329021KO-KER 0.10MF 100V 20%cap ceramic 100nF C0007343530KO-EL 47.000MF 50V cap electrolytic 47uF/50V C0008329021KO-KER 0.10MF 100V 20%cap ceramic 100nF C0011351835KO-EL 4700.000MF 100V 20%cap electrolytic 4700uF/100 C0012351835KO-EL 4700.000MF 100V 20%cap electrolytic

22、 4700uF/100 C0013351835KO-EL 4700.000MF 100V 20%cap electrolytic 4700uF/100 C0014351835KO-EL 4700.000MF 100V 20%cap electrolytic 4700uF/100 C0015341714KO-SO 0.10MF 275V 20% Ksafety cap 100nF/275V C0016329021KO-KER 0.10MF 100V 20%cap ceramic 100nF C0017329021KO-KER 0.10MF 100V 20%cap ceramic 100nF C0

23、018327366KO-EL 4.700MF 50V BIPcap bip electr. 4.7uF/50V C0019329021KO-KER 0.10MF 100V 20%cap ceramic 100nF C0022329021KO-KER 0.10MF 100V 20%cap ceramic 100nF C0023329021KO-KER 0.10MF 100V 20%cap ceramic 100nF C0024335935KO-EL 2200.000MF 35V cap electrolytic 2200uF/35V C0025335935KO-EL 2200.000MF 35V

24、 cap electrolytic 2200uF/35V C0026343530KO-EL 47.000MF 50V cap electrolytic 47uF/50V C0027343530KO-EL 47.000MF 50V cap electrolytic 47uF/50V C0028301524KO-KER 47.0PF 500V 10%cap ceramic 47pF C0029301524KO-KER 47.0PF 500V 10%cap ceramic 47pF C0030329021KO-KER 0.10MF 100V 20%cap ceramic 100nF C0031329

25、021KO-KER 0.10MF 100V 20%cap ceramic 100nF C0032341714KO-SO 0.10MF 275V 20% Ksafety cap 100nF/275V C0100301558KO-KER 33.0PF 100V 2%cap ceramic 33pF C0101301558KO-KER 33.0PF 100V 2%cap ceramic 33pF C0102301478KO-EL 22.000MF 63V cap electrolytic 22uF/63V C0103335787KO-KER 15.0PF 100V 2%cap ceramic 15p

26、F C0104335787KO-KER 15.0PF 100V 2%cap ceramic 15pF C0105301458KO-EL 2.200MF 63V cap electrolytic 2.2uF/63V C0106327390KO-FOL 470.000PF 100V 5%cap mylar 470pF C0107340988KO-FOL 0.470MF 63V 5%cap mylar 470nF C0108301530KO-KER 100.0PF 500V 10%cap ceramic 100pF C0109343532KO-EL 100.000MF 25V cap electro

27、lytic 100uF/25V C0110343532KO-EL 100.000MF 25V cap electrolytic 100uF/25V C0111340988KO-FOL 0.470MF 63V 5%cap mylar 470nF C0112343532KO-EL 100.000MF 25V cap electrolytic 100uF/25V C0113343532KO-EL 100.000MF 25V cap electrolytic 100uF/25V C0114329021KO-KER 0.10MF 100V 20%cap ceramic 100nF C0115329021

28、KO-KER 0.10MF 100V 20%cap ceramic 100nF C0116343532KO-EL 100.000MF 25V cap electrolytic 100uF/25V C0117351994KO-KER 120.0PF 500V 2%cap ceramic 120pF C0118351994KO-KER 120.0PF 500V 2%cap ceramic 120pF C0119343531KO-EL 47.000MF 63V cap electrolytic 47uF/63V C0120341714KO-SO 0.10MF 275V 20% Ksafety cap

29、 100nF/275V C0123301519KO-KER 10.0PF 500V 10%cap ceramic 10pF Seite / Page 3 / 9 121714DPA 4245 2X450W VERST. Pos. Nr. Ref. No. Best. Nr. Part No.BezeichnungDescription C0124301519KO-KER 10.0PF 500V 10%cap ceramic 10pF C0125301474KO-EL 22.000MF 16V BIPcap bip electr. 22uF/16V C0126329021KO-KER 0.10M

30、F 100V 20%cap ceramic 100nF C0127329021KO-KER 0.10MF 100V 20%cap ceramic 100nF C0128329021KO-KER 0.10MF 100V 20%cap ceramic 100nF C0129329021KO-KER 0.10MF 100V 20%cap ceramic 100nF C0300301558KO-KER 33.0PF 100V 2%cap ceramic 33pF C0301301558KO-KER 33.0PF 100V 2%cap ceramic 33pF C0302301478KO-EL 22.0

31、00MF 63V cap electrolytic 22uF/63V C0303335787KO-KER 15.0PF 100V 2%cap ceramic 15pF C0304335787KO-KER 15.0PF 100V 2%cap ceramic 15pF C0305301458KO-EL 2.200MF 63V cap electrolytic 2.2uF/63V C0306327390KO-FOL 470.000PF 100V 5%cap mylar 470pF C0307340988KO-FOL 0.470MF 63V 5%cap mylar 470nF C0308301530K

32、O-KER 100.0PF 500V 10%cap ceramic 100pF C0309343532KO-EL 100.000MF 25V cap electrolytic 100uF/25V C0310343532KO-EL 100.000MF 25V cap electrolytic 100uF/25V C0311340988KO-FOL 0.470MF 63V 5%cap mylar 470nF C0312343532KO-EL 100.000MF 25V cap electrolytic 100uF/25V C0313343532KO-EL 100.000MF 25V cap ele

33、ctrolytic 100uF/25V C0314329021KO-KER 0.10MF 100V 20%cap ceramic 100nF C0315329021KO-KER 0.10MF 100V 20%cap ceramic 100nF C0316343532KO-EL 100.000MF 25V cap electrolytic 100uF/25V C0317351994KO-KER 120.0PF 500V 2%cap ceramic 120pF C0318351994KO-KER 120.0PF 500V 2%cap ceramic 120pF C0319343531KO-EL 4

34、7.000MF 63V cap electrolytic 47uF/63V C0320341714KO-SO 0.10MF 275V 20% Ksafety cap 100nF/275V C0323301519KO-KER 10.0PF 500V 10%cap ceramic 10pF C0324301519KO-KER 10.0PF 500V 10%cap ceramic 10pF C0325301474KO-EL 22.000MF 16V BIPcap bip electr. 22uF/16V C0326329021KO-KER 0.10MF 100V 20%cap ceramic 100

35、nF C0327329021KO-KER 0.10MF 100V 20%cap ceramic 100nF C0328329021KO-KER 0.10MF 100V 20%cap ceramic 100nF C0329329021KO-KER 0.10MF 100V 20%cap ceramic 100nF C0519329021KO-KER 0.10MF 100V 20%cap ceramic 100nF C0520340522KO-EL 10.000MF 35V cap electrolytic 10uF/35 C0521340522KO-EL 10.000MF 35V cap elec

36、trolytic 10uF/35 D0002304360DIODE 1N 4007 GEGURTETdiode 1N 4002 D0003301254DIODE 1N 4148 AXIALdiode 1N 4148 D0004301254DIODE 1N 4148 AXIALdiode 1N 4148 D0005301254DIODE 1N 4148 AXIALdiode 1N 4148 D0006301254DIODE 1N 4148 AXIALdiode 1N 4148 D0007301254DIODE 1N 4148 AXIALdiode 1N 4148 D0008301254DIODE

37、 1N 4148 AXIALdiode 1N 4148 D0009304360DIODE 1N 4007 GEGURTETdiode 1N 4002 D0010301254DIODE 1N 4148 AXIALdiode 1N 4148 D0011301254DIODE 1N 4148 AXIALdiode 1N 4148 D0014301254DIODE 1N 4148 AXIALdiode 1N 4148 D0015301254DIODE 1N 4148 AXIALdiode 1N 4148 D0016304360DIODE 1N 4007 GEGURTETdiode 1N 4002 D0

38、017304360DIODE 1N 4007 GEGURTETdiode 1N 4002 D0018304360DIODE 1N 4007 GEGURTETdiode 1N 4002 Seite / Page 4 / 9 121714DPA 4245 2X450W VERST. Pos. Nr. Ref. No. Best. Nr. Part No.BezeichnungDescription D0019304360DIODE 1N 4007 GEGURTETdiode 1N 4002 D0020304992DIODZ BZX 55C 6V8 0.50Wdiode zener 6V8 D002

39、1304992DIODZ BZX 55C 6V8 0.50Wdiode zener 6V8 D0022304360DIODE 1N 4007 GEGURTETdiode 1N 4002 D0023304360DIODE 1N 4007 GEGURTETdiode 1N 4002 D0100301254DIODE 1N 4148 AXIALdiode 1N 4148 D0101301254DIODE 1N 4148 AXIALdiode 1N 4148 D0102301254DIODE 1N 4148 AXIALdiode 1N 4148 D0104329511DIODZ BZX 55C 2V4

40、 0.50Wdiode zener 2V4 D0105309450DIODZ BZX 55C 15V 0.50Wdiode zener 15V D0106309450DIODZ BZX 55C 15V 0.50Wdiode zener 15V D0107301254DIODE 1N 4148 AXIALdiode 1N 4148 D0108301254DIODE 1N 4148 AXIALdiode 1N 4148 D0109301254DIODE 1N 4148 AXIALdiode 1N 4148 D0110301254DIODE 1N 4148 AXIALdiode 1N 4148 D0

41、111307916DIODZ BZX 55C 7V5 0.50Wdiode zener 7V5 D0112307916DIODZ BZX 55C 7V5 0.50Wdiode zener 7V5 D0113301254DIODE 1N 4148 AXIALdiode 1N 4148 D0114304360DIODE 1N 4007 GEGURTETdiode 1N 4002 D0115304360DIODE 1N 4007 GEGURTETdiode 1N 4002 D0116301254DIODE 1N 4148 AXIALdiode 1N 4148 D0117301254DIODE 1N

42、4148 AXIALdiode 1N 4148 D0118354804DIODZ ZPY 62V 1.30Wdiode zener 62V D0119354804DIODZ ZPY 62V 1.30Wdiode zener 62V D0300301254DIODE 1N 4148 AXIALdiode 1N 4148 D0301301254DIODE 1N 4148 AXIALdiode 1N 4148 D0302301254DIODE 1N 4148 AXIALdiode 1N 4148 D0304329511DIODZ BZX 55C 2V4 0.50Wdiode zener 2V4 D0

43、305309450DIODZ BZX 55C 15V 0.50Wdiode zener 15V D0306309450DIODZ BZX 55C 15V 0.50Wdiode zener 15V D0307301254DIODE 1N 4148 AXIALdiode 1N 4148 D0308301254DIODE 1N 4148 AXIALdiode 1N 4148 D0309301254DIODE 1N 4148 AXIALdiode 1N 4148 D0310301254DIODE 1N 4148 AXIALdiode 1N 4148 D0311307916DIODZ BZX 55C 7

44、V5 0.50Wdiode zener 7V5 D0312307916DIODZ BZX 55C 7V5 0.50Wdiode zener 7V5 D0313301254DIODE 1N 4148 AXIALdiode 1N 4148 D0314304360DIODE 1N 4007 GEGURTETdiode 1N 4002 D0315304360DIODE 1N 4007 GEGURTETdiode 1N 4002 D0316301254DIODE 1N 4148 AXIALdiode 1N 4148 D0317301254DIODE 1N 4148 AXIALdiode 1N 4148

45、D0318354804DIODZ ZPY 62V 1.30Wdiode zener 62V D0319354804DIODZ ZPY 62V 1.30Wdiode zener 62V D0503354004LED GN 3MM LOW CURRENTled green D0504354003LED RT 3MM LOW CURRENTled red D0505354003LED RT 3MM LOW CURRENTled red D0508354003LED RT 3MM LOW CURRENTled red D0509301254DIODE 1N 4148 AXIALdiode 1N 4148 D0510354004LE