Alto MACRO830 Manuale utente

Service Manual

MODEL: MACRO830/1400/2400

LTO

www.altoprpaudio.com

Version: 1.0

CONTENTS

1. Specification............................................2-4

2. Block Diagram..........................................5-6

3. Schematic Diagram...................................7-16

4. Printed Circuit Board.................................17-27

5. Wiring Diagram........................................28-30

6. Test Procedure.........................................31

7. Electrical Parts List...................................32-35

8. Exploded Views........................................36

9. Exploded Views Part List...........................37

SEKAKU ELECTRON INDUSTRY CO., LTD.

Test Result

Model No MACRO 830(Amplifier) USER OF VP-7724A

Tester: Test Date: 2002,11,29

Test Item Test Conditions Spec Test Result Remark

1 Power Source AC:

115/120/230/240V AC: V

8600W W

Rated Output

(BRIDGE)

4850W W

CLIP ON

Load 4 300W+300W W+W

3Rated Output

Load 8 N/A N/A

INPUT 1KHz (CLIP ON)

4 Signal/Noise Input 1KHz 6dB

Load 4

90dB

105dB (A)

dB(A) VR MAX (CLIP ON)

5Distortion Input 1KHz 6dB 0.1% (10W) %

6 INPUT

SENSITIVITY BAL 1% (300W) %CHA,CHB

-3.5 1dB dB

FILTER STEREO 0/+5 1dB dB CHA,CHB

STEREO IN (30Hz) -8.5 1.5dB dB FILTER ON

8 PUNCTURE

VOLTAGE 5mA 5Sec 1800V 1800v

9FREQUENCY

RESPONSE

Input 6dB , 1KHz

Load 4 (BAL OR

STEREO)

28Hz-

24KHz Hz OUTPUT 6.8V(10W)

1. Specification

SEKAKU ELECTRON INDUSTRY CO., LTD.

Test Result

Model No MACRO 1400 (Amplifier) USER OF VP-7724A

Tester: Test Date: 2002,11,29

Test Item Test Conditions Spec Test Result Remark

1 Power Source AC:

115/120/230/240V AC: 115V

8900W W

2Rated Output

(BRIDGE)

41400W W

CLIP ON

Load 4 450W+450W W+W

3Rated Output

Load 8 N/A N/A

INPUT 1KHz (CLIP ON)

4 Signal/Noise Input 1KHz 6dB

Load 4

90dB

105dB (A)

dB(A) VR MAX (CLIP ON)

5Distortion Input 1KHz 6dB 0.1% (10W) %

6INPUT

SENSITIVITY BAL 1% (450W) %CHA,CHB

-3.5 1dB dB

FILTER STEREO 0/+5 1dB dB CHA,CHB

STEREO IN (30Hz) -8.5 1.5dB dB FILTER ON

8PUNCTURE

VOLTAGE 5mA 5Sec 1800V 1800v

9FREQUENCY

RESPONSE

Input 6dB , 1KHz

Load 4 (BAL OR

STEREO)

28Hz-

24KHz Hz OUTPUT 6.8V(10W)

SEKAKU ELECTRON INDUSTRY CO., LTD.

Test Result

Model No MACRO 2400(Amplifier) USER OF VP-7724A

Tester: Test Date: 2002,11,29

Test Item Test Conditions Spec Test Result Remark

1 Power Source AC:

115/120/230/240V AC: V

81500W W

2Rated Output

(BRIDGE)

42400W W

CLIP ON

Load 4 750W+750W W+W INPUT 1KHz (CLIP ON)

3Rated Output

Load 8 N/A N/A

4 Signal/Noise Input 1KHz 6dB

Load 4

90dB

105dB (A)

dB(A)

VR MAX (CLIP ON)

5Distortion Input 1KHz 6dB 0.1% (10W) %

6 INPUT

SENSITIVITY BAL 1% (750W) %CHA,CHB

-3.5 1dB dB

FILTER STEREO 0/+5 1dB dB CHA,CHB

STEREO IN (30Hz) -8.5 1.5dB dB FILTER ON

8 PUNCTURE

VOLTAGE 5mA 5Sec 1800V 1800v

9FREQUENCY

RESPONSE

Input 6dB , 1KHz

Load 4 (BAL OR

STEREO)

28Hz-

24KHz Hz OUTPUT 6.8V(10W)

MACRO 830/1400 BLOCK DIAGRA14M

BRIDGED

2.BLOCK DIAGRAM

MACRO 2400 BLOCK DIAGRAM

BRIDGED

12345678

Ti le

Number Revis onS ze

Date: 19-Dec-2002 Sheet f

Fi e: D: Drawn By:

+15V A

VCC_A

-VCC A

SP A

BR POS

BR NEG

15V A

TH A

+ CC_A

SP A

+IN B

-IN B

-30-B

SND-B

-BYP B

BR-RET

R-CUT

CLIP-B

BR BA

-14V

+14V

be modify

3. Schematic Diagram

1234567 8

Ti le

Number Revis onSize

Date: 19-Dec 2002 She f

Fi e: D: Drawn By:

-15V B

+15V

VCC B

VCC_B

BR PO

BR_NEG

IN B

-IN B

30-B

F -SND-B

F BYP-

CLIP B

VCC B

SP B

-14V

+14V

be modify

BR_RE

1234567 8

Title

Number Rev sionSize

Date: 19-Dec 2002 She t f

File: D: Drawn By:

LINE

NEUT

GND

+VCC A

-VCC A

VCC B

VCC_B

RED

WHT

BLK

YEL

GRN BLU

BLU

VIO

BLK

15V B

+14V

-14V 15V_B

15V A

+15V A

BR CUT

TH A

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