Ecler PAM1000 Wartungshandbuch

PAM1400/1000/600/300 SERVICE MANUAL

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PARTS LIST: POWER CIRCUIT AND SHORT CIRCUIT PROTECTIONMODEL : PAM1000 DRW. No 33.0008PL REV:DATE: 081193 SHEET 1 OF 4 REPLACES: REPLACED BY

PARTS LIST: POWER CIRCUIT AND SHORT CIRCUIT PROTECTIONMODEL : PAM1000 DRW. No 33.0008PL REV:DATE: 081193 SHEET 2 OF 4 REPLACES: REPLACED BY

PARTS LIST: POWER CIRCUIT AND SHORT CIRCUIT PROTECTIONMODEL : PAM1000 DRW. No 33.0008PL REV:DATE: 081193 SHEET 3 OF 4 REPLACES: REPLACED BY

PARTS LIST: POWER CIRCUIT AND SHORT CIRCUIT PROTECTIONMODEL : PAM1000 DRW. No 33.0008PL REV:DATE: 081193 SHEET 4 OF 4 REPLACES: REPLACED BY

8 ZOBEL NETWORK This circuit tries to get a constant load impedance for the power module, in spite of the amplifier's load and frequency, t

PARTS LIST: PROTECTIONS CIRCUITMODEL : PAM1000 DRW. No 33.0014PL REV:DATE: 241293 SHEET 1 OF 4 REPLACES: REPLACED BY:REFERENCE VALUEAC FAST

PARTS LIST: PROTECTIONS CIRCUITMODEL : PAM1000 DRW. No 33.0014PL REV:DATE: 241293 SHEET 2 OF 4 REPLACES: REPLACED BY:REFERENCE VALUEFAN FAS

PARTS LIST: PROTECTIONS CIRCUITMODEL : PAM1000 DRW. No 33.0014PL REV:DATE: 241293 SHEET 3 OF 4 REPLACES: REPLACED BY:REFERENCE VALUER306 7K

PARTS LIST: PROTECTIONS CIRCUITMODEL : PAM1000 DRW. No 33.0014PL REV:DATE: 241293 SHEET 4 OF 4 REPLACES: REPLACED BY:REFERENCE VALUER362 10

9 PROTECTION CIRCUIT 11.0411 OPERATION - DESCRIPTION The circuit is configured by: - A POWER SUPPLY. - A THERMAL PROBE DC AMPLIFIER. - A

PARTS LIST: POWER CIRCUIT AND SHORT CIRCUIT PROTECTIONMODEL:PAM600 DRW.Nº 33.0009PL REV : ADATE: 000621 SHEET 1 OF 3 REPLACED BY:REFERENCE VA

PARTS LIST: POWER CIRCUIT AND SHORT CIRCUIT PROTECTIONMODEL:PAM600 DRW.Nº 33.0009PL REV : ADATE: 000621 SHEET 2 OF 3 REPLACED BY:REFERENCE VA

PARTS LIST: POWER CIRCUIT AND SHORT CIRCUIT PROTECTIONMODEL:PAM600 DRW.Nº 33.0009PL REV : ADATE: 000621 SHEET 3 OF 3 REPLACED BY:REFERENCE VA

PARTS LIST: POWER CIRCUIT AND SHORT CIRCUIT PROTECTIONMODEL:PAM600 DRW.Nº 33.0009PL REV :DATE: 081193 SHEET 1 OF 3 REPLACED BY:REFERENCE VALU

PARTS LIST: POWER CIRCUIT AND SHORT CIRCUIT PROTECTIONMODEL:PAM600 DRW.Nº 33.0009PL REV :DATE: 081193 SHEET 2 OF 3 REPLACED BY:REFERENCE VALU

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PARTS LIST: POWER CIRCUIT AND SHORT CIRCUIT PROTECTIONMODEL:PAM600 DRW.Nº 33.0009PL REV :DATE: 081193 SHEET 3 OF 3 REPLACED BY:REFERENCE VALU

PARTS LIST: INPUT CIRCUITMODEL : PAM600 DRW. No 33.0010PL REV:DATE: 081193 SHEET 1 OF 2 REPLACED BY:REFERENCE VALUEC201 220pC202 220pC203 47µ/2

PARTS LIST: INPUT CIRCUITMODEL : PAM600 DRW. No 33.0010PL REV:DATE: 081193 SHEET 1 OF 2 REPLACED BY:REFERENCE VALUER209 MF23k7R210 MF47k5R211 M

PARTS LIST: POWER CIRCUITMODEL : PAM600/300 DRW. No 33.0011PL REV:DATE: 081193 SHEET 1 OF 1 REPLACED BY:REFERENCE VALUEWIRE 5 WIRE 5WIRE 6 W

11 TEMPERATURE DETECTOR This circuit is calculated to operate over the output relay opening it if any of both modules' temperature excedes

PARTS LIST: PROTECTIONS CIRCUITMODEL : PAM600/300 DRW. No 33.0013PL REV:DATE: 241293 SHEET 1 OF 4 REPLACES: REPLACED BY:REFERENCE VALUEAC F

PARTS LIST: PROTECTIONS CIRCUITMODEL : PAM600/300 DRW. No 33.0013PL REV:DATE: 241293 SHEET 2 OF 4 REPLACES: REPLACED BY:REFERENCE VALUEFAN

PARTS LIST: PROTECTIONS CIRCUITMODEL : PAM600/300 DRW. No 33.0013PL REV:DATE: 241293 SHEET 3 OF 4 REPLACES: REPLACED BY:REFERENCE VALUER306

PARTS LIST: PROTECTIONS CIRCUITMODEL : PAM600/300 DRW. No 33.0013PL REV:DATE: 241293 SHEET 4 OF 4 REPLACES: REPLACED BY:REFERENCE VALUER362

PARTS LIST: MECHANICAL DIAGRAM REV: CMODEL:PAM600/300 DRW.Nº 300004PL REPLACES:DATE: 180297 SHEET 1 OF 1 REPLACED BY:QUANTITY DESCRIPT10 SCRE

PARTS LIST: MECHANICAL DIAGRAM REV:MODEL:PAM600/300 DRW.Nº 300004PL REPLACES:DATE: 021293 SHEET 1 OF 1 REPLACED BY:QUANTITY DESCRIPT10 SCREW

12 DC OUT CIRCUIT The circuit shown in the figure corresponds to the DC OUT of channel L. The goal of this circuit is protecting the loudspeake

PARTS LIST: ASSEMBLY MODULEMODEL : PAM600 DRW. No 30.0005PL REV:DATE: 101293 SHEET 1 OF 1 REPLACES: REPLACED BY:QUANTITY VALUE3 METAL WASHE

PARTS LIST: PACKING DIAGRAM REV:MODEL:PAM600/300 DRW.Nº 32.0002PL REPLACES:DATE: 091293 SHEET 1 OF 1 REPLACED BY:QUANTITY DESCRIPT4 METAL WAS

13 CLIP CIRCUIT The other half of IC307(4001) is used in the clip circuit. Given that we have two gates more and we just need one for our purp

PARTS LIST: POWER CIRCUIT AND SHORT CIRCUIT PROTECTIONMODEL:PAM300 DRW.Nº 33.0012PL REV : ADATE: 000621 SHEET 1 OF 3 REPLACED BY:REFERENCE VA

PARTS LIST: POWER CIRCUIT AND SHORT CIRCUIT PROTECTIONMODEL:PAM300 DRW.Nº 33.0012PL REV : ADATE: 000621 SHEET 2 OF 3 REPLACED BY:REFERENCE VA

PARTS LIST: POWER CIRCUIT AND SHORT CIRCUIT PROTECTIONMODEL:PAM300 DRW.Nº 33.0012PL REV : ADATE: 000621 SHEET 3 OF 3 REPLACED BY:REFERENCE VA

PARTS LIST: POWER CIRCUIT AND SHORT CIRCUIT PROTECTIONMODEL:PAM300 DRW.Nº 33.0012PL REV :DATE: 081193 SHEET 1 OF 3 REPLACED BY:REFERENCE VALU

PARTS LIST: POWER CIRCUIT AND SHORT CIRCUIT PROTECTIONMODEL:PAM300 DRW.Nº 33.0012PL REV :DATE: 081193 SHEET 2 OF 3 REPLACED BY:REFERENCE VALU

PARTS LIST: POWER CIRCUIT AND SHORT CIRCUIT PROTECTIONMODEL:PAM300 DRW.Nº 33.0012PL REV :DATE: 081193 SHEET 3 OF 3 REPLACED BY:REFERENCE VALU

14 GENERAL RESET CIRCUIT (TURN OFF/TURN ON) TURN OFF RESET. This circuit starts working when the AC current from the transformer secondary disa

PARTS LIST: INPUT CIRCUIT REV:MODEL:PAM300 DRW.Nº 33.0211PL REPLACES:DATE: 091293 SHEET 1 OF 2 REPLACED BY:REFERENCE DESCRIPTC201 220pC202 22

PARTS LIST: INPUT CIRCUIT REV:MODEL:PAM300 DRW.Nº 33.0211PL REPLACES:DATE: 091293 SHEET 2 OF 2 REPLACED BY:REFERENCE DESCRIPTR211 MF23k7R212

PARTS LIST: LOW PASS FILTERMODEL: FA2-LP DRW. No 33.0085PL REV:DATE: 291194 SHEET 1 OF 2 REPLACES: REPLACED BY:REFERENCE VALUEIC101 TL072IC

PARTS LIST: LOW PASS FILTERMODEL: FA2-LP DRW. No 33.0085PL REV:DATE: 291194 SHEET 2 OF 2 REPLACES: REPLACED BY:REFERENCE VALUER120 MF45k3R1

15 BINARY COUNTER HEF4520 This is a 4-bit double binary counter. Configured in a way in which when there is the binary code equivalent to deci

PARTS LIST: HIGH PASS FILTERMODEL: FA2-HP DRW. No 33.0084PL REV:DATE: 291194 SHEET 1 OF 2 REPLACES: REPLACED BY:REFERENCE VALUEIC101 TL072I

PARTS LIST: HIGH PASS FILTERMODEL: FA2-HP DRW. No 33.0084PL REV:DATE: 291194 SHEET 2 OF 2 REPLACES: REPLACED BY:REFERENCE VALUER120 MF45k3R

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SERVICE MANUAL PAM1400/1000/600/300 INDEX - BLOCK DIAGRAM - SCHEMATICS - COMPONENTS LOCATION SCHEMA - TESTING AND QUALITY CONTROL - TECHNICAL

17 STANDBY MONOSTABLE The only thing left is the function of the monostable made of IC310 (4538). Like the counter and the monostable IC311 (4

PARTS LIST: ANTICLIP CIRCUITMODEL : PAM1400/1000/600/300 DRW. No 33.0004PL REV: ADATE: 180595 SHEET 1 OF 1 REPLACES: REPLACED BY:REFERENCE

PARTS LIST: ANTICLIP CIRCUITMODEL : PAM1400/1000/600/300 DRW. No 33.0004PL REV:DATE: 081193 SHEET 1 OF 1 REPLACES: REPLACED BY:REFERENCE VA

PARTS LIST: INPUT CIRCUITMODEL : PAM1400/1000 DRW. No 33.0002PL REV:DATE: 081193 SHEET 1 OF 2 REPLACES: REPLACED BY:REFERENCE VALUEC201 220

PARTS LIST: INPUT CIRCUITMODEL : PAM1400/1000 DRW. No 33.0002PL REV:DATE: 081193 SHEET 2 OF 2 REPLACES: REPLACED BY:REFERENCE VALUER212 MF4

1 MODULE CIRCUIT 11.0504B OPERATION - DESCRIPTION The control element is the operational NE5534. This is a very low noise operational, especiall

PARTS LIST: ATTENUATOR CIRCUITMODEL : PAM1400/1000/600/300 DRW. No 33.0003PL REV:DATE: 081193 SHEET 1 OF 1 REPLACES: REPLACED BY:REFERENCE

PARTS LIST: LEDS CIRCUITMODEL : PAM1400/1000/600/300 DRW. No 33.0005PL REV:DATE: 081193 SHEET 1 OF 1 REPLACES: REPLACED BY:REFERENCE VALUED

PARTS LIST: SOFT START AND POWER CIRCUITMODEL : PAM1400/1000 DRW. No 33.0006PL REV:DATE: 081193 SHEET 1 OF 1 REPLACES: REPLACED BY:REFERENC

2 BIAS CURRENT ADJUST The bias current adjust is performed through the variable resistor connected between the emitters of the current sources R

PARTS LIST: POWER CIRCUIT AND AND SHORT CIRCUIT PROTECTIONMODEL:PAM1400 DRW.Nº 33.0001PL REV: ADATE: 000621 SHEET 1 OF 4 REPLACED BY:REFEREN

PARTS LIST: POWER CIRCUIT AND AND SHORT CIRCUIT PROTECTIONMODEL:PAM1400 DRW.Nº 33.0001PL REV: ADATE: 000621 SHEET 2 OF 4 REPLACED BY:REFEREN

PARTS LIST: POWER CIRCUIT AND AND SHORT CIRCUIT PROTECTIONMODEL:PAM1400 DRW.Nº 33.0001PL REV: ADATE: 000621 SHEET 3 OF 4 REPLACED BY:REFEREN

PARTS LIST: POWER CIRCUIT AND AND SHORT CIRCUIT PROTECTIONMODEL:PAM1400 DRW.Nº 33.0001PL REV: ADATE: 000621 SHEET 4 OF 4 REPLACED BY:REFEREN

PARTS LIST: POWER CIRCUIT AND AND SHORT CIRCUIT PROTECTIONMODEL:PAM1400 DRW.Nº 33.0001PL REV:DATE: 081193 SHEET 1 OF 4 REPLACED BY:REFERENCE

PARTS LIST: POWER CIRCUIT AND AND SHORT CIRCUIT PROTECTIONMODEL:PAM1400 DRW.Nº 33.0001PL REV:DATE: 081193 SHEET 2 OF 4 REPLACED BY:REFERENCE

3 SYMMETRY ADJUST The threshold voltage varies much, even between MOSFETs of the same kind. When connecting them in parallel we must be careful

PARTS LIST: POWER CIRCUIT AND AND SHORT CIRCUIT PROTECTIONMODEL:PAM1400 DRW.Nº 33.0001PL REV:DATE: 081193 SHEET 3 OF 4 REPLACED BY:REFERENCE

PARTS LIST: POWER CIRCUIT AND AND SHORT CIRCUIT PROTECTIONMODEL:PAM1400 DRW.Nº 33.0001PL REV:DATE: 081193 SHEET 4 OF 4 REPLACED BY:REFERENCE

4 This resistance performs a negative feedback on the gate, lowering down the Vgs, relating to the drain current; like this: Vgs = Vgg - Id*R

PARTS LIST: PROTECTIONS CIRCUITMODEL : PAM1400 DRW. No 33.0007PL REV:DATE: 241293 SHEET 1 OF 4 REPLACES: REPLACED BY:REFERENCE VALUEAC FAST

PARTS LIST: PROTECTIONS CIRCUITMODEL : PAM1400 DRW. No 33.0007PL REV:DATE: 241293 SHEET 2 OF 4 REPLACES: REPLACED BY:REFERENCE VALUEFAN FAS

PARTS LIST: PROTECTIONS CIRCUITMODEL : PAM1400 DRW. No 33.0007PL REV:DATE: 241293 SHEET 3 OF 4 REPLACES: REPLACED BY:REFERENCE VALUER306 7K

PARTS LIST: PROTECTIONS CIRCUITMODEL : PAM1400 DRW. No 33.0007PL REV:DATE: 241293 SHEET 4 OF 4 REPLACES: REPLACED BY:REFERENCE VALUER362 10

PROFESSIONAL PAM SERIES - TESTING RULES PRELIMINARY GROUND LINK Testing. - Verify that when the switch is at the ON position there is con

FREQUENCY RESPONSE 0.5V input signal. Verify frequency response at 20Hz/2kHz/20kHz. We must get the same signal output for the actual load

PROFESSIONAL PAM SERIES - QUALITY CONTROL We will use a mixer with balanced output -if possible- and a nominal output level of 1V as the signa

TECHNICAL CHARACTERISTICS PAM300 PAM600 PAM1000 PAM1400 Frequency response at max. power output. 7Hz to 60kHz +0 -1dB Harmo

5 Q123, together with the resistances which make the base divider, configure the current detector (this divider takes its voltage from one of the so

PARTS LIST: MECHANICAL DIAGRAM REV: CMODEL:PAM1400/1000 DRW.Nº 300001PL REPLACES:DATE: 180297 SHEET 1 OF 1 REPLACED BY:QUANTITY DESCRIPT10 SC

PARTS LIST: MECHANICAL DIAGRAMMODEL : PAM1400/1000 DRW. No 30.0001PL REV:DATE: 021293 SHEET 1 OF 1 REPLACED BY:QUANTITY VALUE10 SCREW 2,9x6,5 DI

PARTS LIST: ASSEMBLY MODULEMODEL : PAM1400/1000 DRW. No 30.0002PL REV:DATE: 101293 SHEET 1 OF 1 REPLACES: REPLACED BY:QUANTITY VALUE3 METAL

PARTS LIST: ASSEMBLY FILTER CAPACITORMODEL : PAM1400/1000/600/300 DRW. No 30.0003PL REV:DATE: 091293 SHEET 1 OF 1 REPLACED BY:QUANTITY VALUE4 SC

PARTS LIST: PACKING DIAGRAMMODEL : PAM1400/1000 DRW. No 32.0001PL REV:DATE: 091293 SHEET 1 OF 1 REPLACES: REPLACED BY:QUANTITY VALUE4 METAL

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PARTS LIST: POWER CIRCUIT AND SHORT CIRCUIT PROTECTIONMODEL : PAM1000 DRW. No 33.0008PL REV: ADATE: 000621 SHEET 1 OF 4 REPLACES: REPLACED

PARTS LIST: POWER CIRCUIT AND SHORT CIRCUIT PROTECTIONMODEL : PAM1000 DRW. No 33.0008PL REV: ADATE: 000621 SHEET 2 OF 4 REPLACES: REPLACED

PARTS LIST: POWER CIRCUIT AND SHORT CIRCUIT PROTECTIONMODEL : PAM1000 DRW. No 33.0008PL REV: ADATE: 000621 SHEET 3 OF 4 REPLACES: REPLACED

PARTS LIST: POWER CIRCUIT AND SHORT CIRCUIT PROTECTIONMODEL : PAM1000 DRW. No 33.0008PL REV: ADATE: 000621 SHEET 4 OF 4 REPLACES: REPLACED