Dynacord-DPA4260-pwr-sm维修电路图 手册.pdf
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1、 SERVICE MANUAL DPA 4245 / DPA 4260 POWER AMPLIFIER RadioFans.CN 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 sectionIndex
2、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) - level controls
3、 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 toPINAssigned toPI
4、NAssigned 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 connector: PI
5、NFunctionChannel 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 10- pole o
6、f 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 2 Nominal load impedances 100V ou
7、tput70V 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 power consumption30-60W
8、40-80W 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 DC-volt meter at the B
9、IAS 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 amplifierOutputU(F) dB
10、u 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 4245, 426025V-70-58-72-
11、 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 426022.5kg483 x 132.5 x 385.5 R
12、adioFans.CN RadioFans.CN RadioFans.CN RadioFans.CN RadioFans.CN 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
13、 300425KABEL-NETZ 2.0 M 10A power cable Europe 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.
14、IN L 2400 502X465X155carton inner 303715STYROPOR-ECK 150X150X150X50styrofoam #2 348018SCHUTZFOLIE 1200X800X0,05 poly bag 327495STYROPOR-ECK 150X150X100X50styrofoam #1 345438SCHUTZHLLE 165X345X0,05 plastic bag 349988FALTEINLAGE 750X280carton filler 349989FALTEINLAGE 1864X150carton filler Mechanische
15、TeileCabinet material G0010343270GLRI GBPC 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 a
16、ssy 8way 349691KABEL-KONFEKT 8POL 0.440Mribbon 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 3548
17、05T-RG.DPA4245 100Voutput transformer 100V 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 CNGN133026
18、9FL.STECKER 6.3/0.8 connector 6.3mm faston 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 fast
19、on CN010330269FL.STECKER 6.3/0.8 connector 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 RadioFans.CN Seite / Page 2 / 9 121714DPA 4245 2X450W VERST. Pos. Nr. Ref. No. Best. Nr. P
20、art No.BezeichnungDescription CN020344862MESSERLST. 8POL 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
21、 35V cap electrolytic 10uF/35V C0005329021KO-KER 0.10MF 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/
22、100 C0012351835KO-EL 4700.000MF 100V 20%cap electrolytic 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 100
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