AUDIO TELEX DCM120 Скачать руководство пользователя страница 16 | Manualshive

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Содержание DCM120

Страница 1: ...rwater NSW 2128 Australia 61 2 9647 1411 www australianmonitor com au SERVICE INFORMATION AUDIO TELEX DCM120 POWER AMPLIFIER CONTENTS OPERATION MANUAL CIRCUIT DESCRIPTION SET UP TEST PROCEDURE SCHEMATIC DIAGRAMS PCB OVERLAYS COMPONENT LISTS ...

Страница 2: ... Ph 07 38521312 Fax 07 32521237 221277 Middleborough Road Box HillVlC 3128 PO Box 151 Blackburn South VIC 3130 Ph 03 98907477 Fax 03 9890 7977 299 Fitzgerald Street West Perth WA 6005 PO Box 404 North Perth WA 6906 Ph 08 92284222 Fax 08 9228 4233 Electronic Concepts Pty Ltd 76 George Street Thebarton SA 5031 PO Box 7034 Hutt Street Adelaide SA 5000 Ph 08 82349444 Fax 08 8234941 K W McOulloch Pty L...

Страница 3: ...isource fni factory default setting for this control is zuch that a 1 volt input will give a 100 volt output Power Switch The rocker switch located in the front centre of the panel turns AC power on to the DCMI20 Rocking the power switch to the right to turns the AC pow tr on When the AC power is on a gre n LED will glow in the amplifio status display window Please note that this switch does not s...

Страница 4: ...llorrys 3 Pin lEC AC Mains Power lnlet The operating voltage is 240 VAC 50Hzor 110 VAC 60llz The AC power voltage level is not externally user selectable but is factory prs set via transformer selection The inlet is equipped with an inbuilt AC fuse holder fitted with a 4 Amp slow blow fuse plus one spare fuse Power consumption is 300 VA Please ensure that the mains power cord is disconnected befor...

Страница 5: ...ulE l dl dl ilIB oIs oI ol ol l o N tll l tl lllllillil llll l iiil ililil lr llil l l ll tl ltll l tl _ r a _ c c _ _f __ __ cl c I I o ...

Страница 6: ...e amplifier The sensing for the circuit is taken on the amplifier side of the output transformer The 0dB level is referenced to 100V This is an RMS meter not a peak meter Protect The protect LED will illuminate when the amplifier cuts out because of either over current or high temperature The amplifier will switch back on after approx 4 sec for an over current trip The amplifier will switch back o...

Страница 7: ...fore plugging in a power lead please check the rear panel of the amplifier to ensure that the voltage switch is set correctly for your part of the world The inlet is equipped with an in built AC fuse containing the rated fuse and a spare 24 Volt DC Power Inlet The DCM series feature optional 24VDC power to run off a battery back up if required This is connected via the rear binding posts The front...

Страница 8: ... XLR s are connected in parallel so either will work The XLR s inputs are transformer balanced and wired as Pin 1 Shield Pin 2 Hot Positive Pin 3 Cold Negative Fuse Sizes DCM120 Mains 230 VAC 4 Amperes Slow Blow HRC 20x5mm DC 10 Amperes Slow Blow HRC 20x5mm DCM250 Mains 230 VAC 6 3 Amperes Slow Blow 20x5mm DC 2 x 10 Amperes Slow Blow HRC 3AG DCM500 Mains 230 VAC 10 Amperes Slow Blow HRC 20x5mm DC ...

Страница 9: ...e 4AT 6 3 AT 10 AT DC fuse 10AT x1 10AT x2 35AT x2 2 2 Connect the Amplifier to the setup Variac voltage 0V set all presets on front board only fully clockwise voltage selector switch to 230V 2 3 Slowly increase the input voltage to 230V keep watching the input current should not exceed 0 1A for DCM 120 0 1A for DCM 250 0 1A for DCM 500 2 4 Check and reset if necessary all emitter resistor voltage...

Страница 10: ...ut signal to get 820mV for DCM 120 425mV for DCM250 DCM 500 Turn preset P2 anticlockwise such that it just mutes the output signal and signal returns back slowly after 2 seconds 9 Reduce the signal re check whether the signal mutes at the corresponding above stated voltages 10 Again make the output load to original full value Turn volume preset fully anticlockwise set input signal strength to 1V s...

Страница 11: ...o I a pq J F E fsl 3 O 0 s C H F a J A tt e r l6 A11 a t JlF I ao x I t c F U ft G F or fil tG lIC tJ G rt gj ur a t A V l bl L e U fi l Fl J c a D f u Cl a o o r g3 o roI c ril q Fa I o s t o a p j t 3 ...

Страница 12: ...E H l tr c F tA J A t I C3 a N o A J L a o E l lal ...

Страница 13: ...tE I r t t l lr rl F J rl f 1 J u ldr rl t o l E a g ...

Страница 14: ...10R V1 V6 V4 V8 V2 V7 R2 500R D1 R7 150R C1 820P R17 1K R18 R22 R28 1K R29 R22 R27 150R D6 R35 500R C2 820P IC1 78L05 T2 V3 BC556 V9 BC556 R16 4K7 R24 4K7 D3 D5 R1 220R R33 220R D7 D2 R8 47k R30 47k R9 0R R11 10R V11 D4 R34 47R R38 3K3 R42 10R F2 10A F1 4A D8 40A BR1 T1 S1A S1B C3 B IRF9520 IRF9520 15V TIP41C TIP35C TIP35C TIP35C TIP35C TIP41C X7 1 1 CD6206 1 DCM120 POWER PCB X6 X6 X5 OHM 4 8 COM ...

Страница 15: ...9 T1B T1A R8 100R R7 100R R6 680R R5 680R R4 10K R3 10K R2 68K R1 68K IC2A LM358 R35 33K LK2 LK3 0R C9 47u C26 4u7 LK4 0R VDD 1 GP5 2 GP4 3 GP3 4 GP2 5 GP1 6 GP0 7 VSS 8 IC6 PIC12C509 D26 D24 D23 D22 D21 D20 D19 D18 D17 R48 1K R49 10K LK6 0R R46 1K2 R45 2K7 D25 R41 D31 C35 4u7 VCC R43 470R R44 1K C32 4u7 V4 BC556 D10 D16 V8 BC556 R26 10K VCC V9 BC556 R32 470K C20 47u PROTECT Desc 2 3 4 5 6 7 Pin G...

Страница 16: ......

Страница 17: ......

Страница 18: ...istor 5W R15 10R Resistor Metal Oxide 2W R16 4K7 Metal film resistor 5W R17 1K Metal film resistor 5W R18 R22 Wire wound resistor 5W R19 1K Metal film resistor 5W R2 500R Cermet preset horizontal R20 R22 Wire wound resistor 5W R21 1K Metal film resistor 5W R22 470R Metal film resistor 5W R23 1K Metal film resistor 5W R24 4K7 Metal film resistor 5W R25 10R Resistor Metal Oxide 2W R26 150R Metal fil...

Страница 19: ...esistor 5W S1A Switch Switch DPST S1B Switch Switch DPST T1 Mains XFMR Mains Transformer T2 Output XFMR Output transformer V1 TIP41C Transistor V10 TIP35C Transistor TOP 3 V11 TIP41C Transistor TO220 V2 IRF9520 Mosfet Hexfet TO220 V3 BC556 Transistor TOP 3 V4 TIP35C Transistor TOP 3 V5 TIP35C Transistor TOP 3 V6 TIP35C Transistor TOP 3 V7 IRF9520 Mosfet Hexfet TO220 V8 TIP35C Transistor TOP 3 V9 B...

Страница 20: ...tic Capacitor 35V C4 2u2 Electrolytic Capacitor 35V C5 2u2 Electrolytic Capacitor 35V C6 2u2 Electrolytic Capacitor 35V C7 100u Electrolytic Capacitor 16V C8 100P Multi layer ceramic capacitor C9 47u Metalised Poly Capacitor 63V D1 1N4148 Rectifier Diode D10 L LED red LED 3 0mm D13 L LED red LED 3 0mm D16 1N4148 Rectifier Diode D17 L LED red LED 3 0mm D18 L LED red LED 3 0mm D19 L LED grn LED 3 0m...

Страница 21: ...esistor metal film 5W R27 2M2 Resistor metal film 5W R28 100K Resistor metal film 5W R29 10K Resistor metal film 5W R3 10K Resistor metal film 5W R30 10K Resistor metal film 5W R31 10k Resistor metal film 5W R32 470K Resistor metal film 5W R33 22K Resistor metal film 5W R34 22K Resistor metal film 5W R35 33K Resistor metal film 5W R36 10K Resistor metal film 5W R4 10K Resistor metal film 5W R41 15...

Страница 22: ...BC639 Transistor TO92 V2 BC639 Transistor TO92 V3 BC546 Transistor TO92 V4 BC556 Transistor TO92 V5 BC546 Transistor TO92 V6 BC546 Transistor TO92 V7 BC546 Transistor TO92 V8 BC556 Transistor TO92 V9 BC556 Transistor TO92 Please note DCM120 DCM500 Please note DCM250 ...

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