Alto MACRO830 Manuale utente
Service Manual
MODEL: MACRO830/1400/2400
LTO
R
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
1
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
2
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
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
7
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)
10
2
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
dB(A) VR MAX (CLIP ON)
5Distortion Input 1KHz 6dB 0.1% (10W) %
6INPUT
SENSITIVITY BAL 1% (450W) %CHA,CHB
-3.5 1dB dB
7
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)
3
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
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
7
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)
4
MACRO 830/1400 BLOCK DIAGRA14M
BRIDGED
5
2.BLOCK DIAGRAM
MACRO 2400 BLOCK DIAGRAM
BRIDGED
6
12345678
A
B
C
D
8
7
6
5
4
3
2
1
D
C
B
A
Ti le
Number Revis onS ze
D
Date: 19-Dec-2002 Sheet f
Fi e: D: Drawn By:
5
67
8
4
3
2
1
+15V A
VCC_A
-VCC A
SP A
1+
1-
2+
2-
BR POS
BR NEG
C
15V A
TH A
+ CC_A
SP A
SP A
+IN B
-IN B
-30-B
SND-B
-BYP B
BR-RET
R-CUT
CLIP-B
1
3
5
7
9
11
13
15
17
19
21
23
25
2
4
6
8
10
12
14
16
18
20
22
24
26
BR BA
BR BA
-14V
+14V
3
2
4
5
1
7
8
11
6
be modify
be modify
be modify
be modify
3. Schematic Diagram
7
1234567 8
A
B
C
D
8
7
6
5
4
3
2
1
D
C
B
A
Ti le
Number Revis onSize
D
Date: 19-Dec 2002 She f
Fi e: D: Drawn By:
5
7
8
4
3
21
-15V B
+15V
VCC B
VCC_B
1+
1-
2+
2-
BR PO
BR_NEG
IN B
-IN B
30-B
F -SND-B
F BYP-
CLIP B
C
VCC B
VCC B
SP B
-14V
+14V
14
15
13
2
16
10
9
be modify
be modify
be modify
be modify
BR_RE
8
1234567 8
A
B
C
D
8
7
6
5
4
3
2
1
D
C
B
A
Title
Number Rev sionSize
D
Date: 19-Dec 2002 She t f
File: D: Drawn By:
LINE
NEUT
GND
+VCC A
-VCC A
VCC B
VCC_B
C
RED
WHT
BLK
YEL
GRN BLU
BLU
VIO
VIO
BLK
BLK
2
34
5
6
15V B
+14V
-14V 15V_B
15V A
+15V A
BR CUT
1
2
1
2
1
2
TH A
9
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