AUDIO TELEX IC30 Instrucciones de funcionamiento e instalación

Australian Monitor

1 Clyde Street, Silverwater NSW 2128 Australia

+61 2 9647 1411

www.australianmonitor.com.au

SERVICE INFORMATION

AUDIO TELEX

IC30

MIXER AMPLIFIER

CONTENTS:

OPERATION MANUAL

SCHEMATIC DIAGRAMS

BOARD OVERLAY

PARTS LISTING

TEST PROCEDURE

IC30

Circuit Description

The IC30 is a 30 watt mixer amplifier which operates on 230/240 VAC, 50Hz or 12 VDC via an external

DC power supply source. The amplifier is supplied free standing with rubber feet but can be rack mounted

via an optional rack mount kit (IC30RMK). The IC30 will deliver 30 watts into a load of 4 ohms, 70 volt or

100 volt line. The IC30 may be stacked to a maximum of four units high. An IEC type mains cord and

receptacle are provided, the receptacle also houses the mains fuse in a drawer which pulls open to expose

the fuse. A single spare fuse is also located in this drawer.

AC Power Inlet

The 3 pin IEC power inlet is located on the bottom left of the rear panel and accepts a standard mains

power lead fitted with an IEC connector. Before 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 operating voltage is 230/240 VAC @ 50 Hz. The inlet is equipped with an inbuilt AC fuse holder fitted

with a 1 amp plus a spare within the holder].

Power consumption is approximately 60 VA.

12 Volt DC Operation

The IC30 features optional 12VDC power to run off a battery supply if required. This is connected via the

rear terminal strip. The front panel Power Switch will not switch DC power ‘on’ or ‘off’ in DC operation.

In this mode the amplifier is always ‘on’. When running from 12 VDC power, the LED will not illuminate.

There is no trickle charge resistor across the diode.

230V/240V Slide Switch

The operating voltage of the amplifier is user selectable between 230V and 240V via a slide switch located

on the top left side of the rear panel. This switch should be set to match the AC voltage of your country.

The mains transformer is wound with a 230V winding plus a 10V winding internally connected.

Power Amp

The IC30 uses two(2) Philips amplifier ICs (TDA1516) with built in current overload and thermal

protection. The two amplifier modules are capacitively coupled to the two primary windings of the output

transformer in parallel (not in bridge).

Speaker Output Terminal Strip

The screw terminals in the middle of the strip allow access to the direct speaker outputs of the amplifier.

Reading from left to right the terminals are:

COM Common or “-” for low impedance speaker loads (4 or 8 ohms).

4 Positive “+” for 4 ohm speaker loads (use with common)

COM Common or “-” for 70v or100v speaker loads (maximum load of 80 ohms at 100v)

70 Positive “+” for 70v line speaker loads (use with common)

100 Positive “+” for 100v line speaker loads (use with common)

Please ensure that the correct “Common” is used. Low impedance and 70/100v loads can be used

simultaneously but please pay careful attention to the overall speaker load.

Note: The minimum impedance (or maximum load) at 100 volt line should be no less than 80 Ohms

Muting

The last two(2) terminals on the barrier strip are for muting. Channels 2 and 3 are muted when the two

mute contacts are shorted together. The muting is done by a FET switch so there is no ramping. An optional

VOX muting module (TX3010) is also available with has ramping.

Phantom Power

The IC30 does not have phantom power on the XLR’s.

Tape Output

A mono RCA output connector provides a line level output with a maximum of 350mV into 10k Ohms.

Signal from all three input channels are fed to the tape output. Level adjustments made to the three input

channels will affect the level going to the tape output.

Microphone/Line Inputs

Three universal microphone/line inputs are provided. Microphone inputs are via the 3 pin XLR connectors

while line inputs are via the RCA style connectors (one of each is provided per channel). All three inputs

can be used for microphone and auxiliary input sources. It is also possible to connect both a microphone

and line/aux source to the one channel simultaneously however their relative levels to one another will be

fixed, as there is only one gain control per channel.

The XLR connectors are wired: Pin 1: Earth. Pin 2: Active (high, +), Pin 3: Active (low, -). Microphone

input sensitivity is 1.5mV at 200 ohms.

The RCA connectors have an input sensitivity of 80mV at 47K ohms.

Microphone Inputs

All three(3) inputs are dual mic/line with microphone inputs being via a 3 pin XLR connector per channel.

The mic input sensitivity is 1.5mV @ 200 ohms. Pin connections are: pin 1-earth; pin 2-signal (hot +); pin

3-signal (cold -). Phantom power is not available. Reading from left to right across the rear panel, the inputs

are 3, 2, & 1.

Line Inputs

All three(3) inputs are dual mic/line with line/auxiliary inputs being via mono RCA connectors per channel.

Line input sensitivity is 75mV @ 47K ohms. Reading from left to right across the rear panel, the inputs are

3, 2, & 1.

Optional Accessories

Tone Generators

Four separate tones are available as an optional plug in card (ATC5488). The ATC5488 is a small circuit

board which simply plugs into a socket inside the amplifier. Activation is via contact closures which may

be wired to the rear panel of the IC30 or to external switches or a timer. Full installation instructions are

provided with the tone generator.

Tones available on the ATC5488 tone generator board are:

Evacuation Tone (to Australian Standard AS2220.1.2)

Alert Tone (to Australian Standard AS2220.1.2)

Bell TonePre Announce Chime

VOX Muting Module

An optional VOX muting module (TX3010) is available. When installed inside the amplifier, signal on

channel 1 of the amplifier will automatcially mute channels 2 and 3. When there is no signal on channel 1,

channels 2 and 3 will operate normally. Full installation instructions are provided with the TX3010.

Rack Mouting Kit

An optional rack mounting kit (IC30RMK) is available to mount the IC30 in a standard 19" equipment

rack.

Fuse Sizes

Mains 230 VAC: 1 Amperes Slow Blow

The DC fuse is located on the circuit board. This is a feature of the AMIS series amplifiers, which are

equipped with a current limiting circuit preventing excessive DC currents, thus eliminating the risk of

blowing high tension fuses. In the unlikely event that the DC fuse actuates, the output IC modules should

be checked, as it is probable that the amplifier has been subjected to very extreme conditions. The DC fuses

are 4A time lag fuses.

12345678

7654321

Title

Number RevisionSize

Date: 21-Oct-2002 Sheet of

File: C:\Protel Files\CDTRAX\CD6168-1.DDB Drawn By:

R49

100R

R48

C37

C49

470u

C47

10u

C50

10u

C46

10u

C45

10u

C38

2200u

C41

2200u

BD139

11V

C43

100u

R35

4K7

C32

47u

C33

47u

C35

47u

C34

47u

C30

0.47

C31

0.47

C36

82P

C28

0.03

C29

1200P

R43

50K

R42

50K

R41

68K

R40

68K

R39

R33

R45

R44

10R

R34

6K8

R31

6K8

R32

10K

R30

10K

R47

10K

IC6

LM741

IC4

TDA1516

IC5

TDA1516

F1 S1

C44

47u

C42

470u

C40

2200u

C39

2200u

D2-D5

R38

10R

R37

R36

R29

10K

R28

R27

47K

R26

IC2B

LM1458

C27

C26

C25 100P

C23

C22

C24

C14

R16

100R

R17

10K

IC3C

4066

IC3A

4066

R25

47K

8 4

IC2ALM1458 C21

C20

330P

C19

C18

330P

C17

C16

C15

R24

4K7

R23 22K

R22

10R

R21

22K

R20

680R

R19

680R

R18

47k

R10

680R

R11

680R

R12

22K

R13 22K

R14

4K7

C10

C11

330P

C12

330P

C13

IC1BLM1458 R15

47K

8 4

IC1ALM1458 C7

330P

4K7

R6 22K

10R

22K

680R

47k

R50 10R

GRD

+14VDC

+5V

+10V

+5V

+10V

+5V

70V

4 OHM

+14VDC

RS 11

IC30 MIX/POWER PCB

MIC3

AUX3

MIC2

AUX2

MIC1

AUX1

240VAC

+12V

BATTERY

+12V

MUTE

+14V

TAPE OUT

PIN 14 4066 C

100V

CD6168-1

+10V

+5V

4A SB

1A SB

1 2 3 4 5 6 78

7654321

Title

Number RevisionSize

Date: 4-Jul-2003 Sheet of

File: C:\AMIS604 Manual\CD6168-1.DDB Drawn By:

R49

100R

R48

C37

C49

470u

C47

10u

C50

10u

C46

10u

C45

10u

C38

2200u

C41

2200u

BD139

11V

C43

100u

R35

4K7

C32

47u

C33

47u

C35

47u

C34

47u

C30

0.47

C31

0.47

C36

82P

C28

0.03

C29

1200P

R43

50K

R42

50K

R41

68K

R40

68K

R39

R33

R45

R44

10R

R34

6K8

R31

6K8

R32

10K

R30

10K

R47

10K

IC6

LM741

IC4

TDA1516

IC5

TDA1516

F1 S1

C44

47u

C42

470u

C40

2200u

C39

2200u

D2-D5

R38

10R

R37

R36

R29

10K

R28

R27

47K

R26

IC2B

LM1458

C27

C26

C25 100P

C23

C22

C24

C14

R16

100R

R17

10K

IC3C

4066

IC3A

4066

R25

47K

8 4

IC2ALM1458 C21

C20

330P

C19

C18

330P

C17

C16

C15

R24

4K7

R23 22K

R22

10R

R21

22K

R20

680R

R19

680R

R18

47k

R10

680R

R11

680R

R12

22K

R13 22K

R14

4K7

C10

C11

330P

C12

330P

C13

IC1BLM1458 R15

47K

8 4

IC1ALM1458 C7

330P

4K7

R6 22K

10R

22K

680R

47k R50 10R

GRD

+14VDC

+5V

+10V

+5V

+10V

+5V

70V

4 OHM

+14VDC

SBG11

IC30 MIX/POWER PCB

MIC3

AUX3

MIC2

AUX2

MIC1

AUX1

240VAC

+12V

BATTERY

+12V

MUTE

+14V

TAPE OUT

PIN 14 4066 C

100V

CD6168-1

+10V

+5V

4A SB

0.5A SB

IC30 Parts List

Designato

Part Type Description Manufacturer's Code

C1 1u Electrolytic capacitor 63V 2121280010

C10 1u Electrolytic capacitor 63V 2121280010

C11 330P Multi layer ceramic capacitor 100V 2127181331

C12 330P Multi layer ceramic capacitor 100V 2127181331

C13 1u Electrolytic capacitor 63V 2121280010

C14 1u Electrolytic capacitor 63V 2121280010

C15 1u Electrolytic capacitor 63V 2121280010

C16 1u Electrolytic capacitor 63V 2121280010

C17 1u Electrolytic capacitor 63V 2121280010

C18 330P Multi layer ceramic capacitor 100V 2127181331

C19 1u Electrolytic capacitor 63V 2121280010

C2 1u Electrolytic capacitor 63V 2121280010

C20 330P Multi layer ceramic capacitor 100V 2127181331

C21 1u Electrolytic capacitor 63V 2121280010

C22 1u Electrolytic capacitor 63V 2121280010

C23 1u Electrolytic capacitor 63V 2121280010

C24 1u Electrolytic capacitor 63V 2121280010

C25 100P Multi layer ceramic capacitor 100V 2127181101

C26 1u Electrolytic capacitor 63V 2121280010

C27 1u Electrolytic capacitor 63V 2121280010

C28 0.03 Multi layer ceramic capacitor 100V 2124292330

C29 1200P Multi layer ceramic capacitor 100V 2127181122

C3 1u Electrolytic capacitor 63V 2121280010

C30 0.47 Metalised Poly Capacitor 2124262472

C31 0.47 Electrolytic capacitor 63V 2124262472

C32 47u Electrolytic capacitor 35V 2121230470

C33 47u Electrolytic capacitor 35V 2121230470

C34 47u Electrolytic capacitor 35V 2121230470

C35 47u Electrolytic capacitor 35V 2121230470

C36 82P Multi layer ceramic capacitor 100V 2127181820

C37 1u Electrolytic capacitor 63V 2121280010

C38 2200u Electrolytic capacitor 35V 2121220222

C39 2200u Electrolytic capacitor 35V 2121220222

C4 330P Multi layer ceramic capacitor 100V 2127181331

C40 2200u Electrolytic capacitor 35V 2121220222

C41 2200u Electrolytic capacitor 35V 2121220222

C42 470u Electrolytic capacitor 35V 2121230471

C43 100u Electrolytic capacitor 100V 2121220101

C44 47u Electrolytic capacitor 35V 2121230470

C45 10u Electrolytic capacitor 50V 2121250100

C46 10u Electrolytic capacitor 50V 2121250100

C47 10u Electrolytic capacitor 50V 2121250100

C49 470u Electrolytic capacitor 35V 2121230471

C5 1u Electrolytic capacitor 63V 2121280010

C50 10u Electrolytic capacitor 50V 2121250100

C6 330P Multi layer ceramic capacitor 100V 2127181331

C7 1u Electrolytic capacitor 63V 2121280010

C8 1u Electrolytic capacitor 63V 2121280010

C9 1u Electrolytic capacitor 63V 2121280010

D1 Diode 1N5408 2133450408

D2-D5 Diode 1N5408 2133450408

D6 12V Zener Diode 1W 12V 1N4742 2136010120

F1 .5A 0.5 Amp Anti-surge Fuse 2543210059

F2 4.0A 4.0 Amp Anti-surge Fuse 2541210840

IC1 LM1458 IC Dual Op Amp DIP8 2152870558

IC2 LM1458 IC Dual Op Amp DIP8 2152870558

IC3 4066 I.C. CD 4066BCN VCA (14 PIN) 2159440066

IC4 TDA1516 Amplifier IC TDA1516BQ 2153121516

IC5 TDA1516 Amplifier IC TDA1516BQ 2153121516

IC6 LM741 LM741 IC 2152080741

P1 X7 Transistor BD139 2141400139

P2 X5 Transistor BD139 2141400139

R1 47k Resistor, metalfilm .5W 9111590473

R10 680R Resistor, metalfilm .5W 9111590681

R11 680R Resistor, metalfilm .5W 9111590681

R12 22K Resistor, metalfilm .5W 9111590223

R13 22K Resistor, metalfilm .5W 9111590223

R14 4K7 Resistor, metalfilm .5W 9111590472

R15 50K Potentiometer linear 2021000503

R16 100R Resistor, metalfilm .5W 9111590101

R17 10K Resistor, metalfilm .5W 9111590103

R18 47k Resistor, metalfilm .5W 9111590473

R19 680R Resistor, metalfilm .5W 9111590681

R2 680R Resistor, metalfilm .5W 9111590681

R20 680R Resistor, metalfilm .5W 9111590681

R21 22K Resistor, metalfilm .5W 9111590223

R22 10R Resistor, metalfilm .5W 9111590100

R23 22K Resistor, metalfilm .5W 9111590223

R24 4K7 Resistor, metalfilm .5W 9111590472

R25 50K Potentiometer linear 2021000503

R26 1K Resistor, metalfilm .5W 9111590102

R27 47K Resistor, metalfilm .5W 9111590473

R28 0R Resistor, metalfilm .5W 9111590000

R29 10K Resistor, metalfilm .5W 9111590103

R3 680R Resistor, metalfilm .5W 9111590681

R30 10K Resistor, metalfilm .5W 9111590103

R31 6K8 Resistor, metalfilm .5W 9111590682

R32 10K Resistor, metalfilm .5W 9111590103

R33 1K Resistor, metalfilm .5W 9111590102

R34 6K8 Resistor, metalfilm .5W 9111590682

R35 4K7 Resistor, metalfilm .5W 9111590472

R36 1K Resistor, metalfilm .5W 9111590102

R37 1K Resistor, metalfilm .5W 9111590102

R38 10R Resistor, metalfilm .5W 9111590100

R39 0R Resistor, metalfilm .5W 9111590000

R4 22K Resistor, metalfilm .5W 9111590223

R40 68K Resistor, metalfilm .5W 9111590683

R41 68K Resistor, metalfilm .5W 9111590683

R42 50K Potentiometer linear 2021000503

R43 50K Resistor, metalfilm .5W 2021000503

R44 10R Resistor, metalfilm .5W 9111590100

R45 1K Resistor, metalfilm .5W 9111590102

R47 10K Resistor, metalfilm .5W 9111590103

R48 1M Resistor, metalfilm .5W 9111590104

R49 100R Resistor, metalfilm .5W 9111590101

R5 10R Resistor, metalfilm .5W 9111590100

R50 10R Resistor, metalfilm .5W 9111590100

R6 22K Resistor, metalfilm .5W 9111590223

R7 4K7 Resistor, metalfilm .5W 9111590472

R8 50K Potentiometer linear 2021000503

R9 47k Resistor, metalfilm .5W 9111590473

S1 Rocker switch SPST 2511213112

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