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Service Manual
MODEL: MACRO830/1400/2400

LTO
www.altoprpaudio.com Version: 1.0

R

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

1. Specification
SEKAKU ELECTRON INDUSTRY CO., LTD.

Test Result
Model No MACRO 830(Amplifier)
Tester:
Test Item 1 Power Source Test Conditions AC: Spec
115/120/230/240V

USER OF VP-7724A
Test Result AC: V W W W+W N/A dB dB(A) % VR MAX (CLIP ON) INPUT 1KHz (CLIP ON) Remark

Test Date: 2002,11,29

2

Rated Output (BRIDGE)

8 4 Load 4

600W 850W 300W+300W N/A 90dB 105dB (A) 0.1% (10W)

CLIP ON

3

Rated Output Load 8 Input 1KHz 6dB Load 4 Input 1KHz 6dB

4

Signal/Noise

5

Distortion

6

INPUT SENSITIVITY

BAL

1% -3.5

(300W) 1dB 1dB 1.5dB

% dB dB dB

CHA,CHB

7

FILTER

STEREO STEREO IN (30Hz)

0/+5 -8.5

CHA,CHB FILTER ON

8

PUNCTURE VOLTAGE

5mA

5Sec

1800V 28Hz24KHz

1800v

9 10

FREQUENCY RESPONSE

Input 6dB , 1KHz Load 4 (BAL OR STEREO)

Hz

OUTPUT 6.8V(10W)

2

SEKAKU ELECTRON INDUSTRY CO., LTD.

Test Result
Model No MACRO 1400 (Amplifier)
Tester:
Test Item 1 Power Source 8 4 Load 4 Load 8 4 Signal/Noise Input 1KHz 6dB Load 4 Input 1KHz 6dB Test Conditions AC: Spec
115/120/230/240V

USER OF VP-7724A
Test Result AC: 115V Remark

Test Date: 2002,11,29

2

Rated Output (BRIDGE)

900W 1400W 450W+450W N/A 90dB 105dB (A) 0.1% (10W)

W CLIP ON W W+W INPUT 1KHz (CLIP ON) N/A dB dB(A) % VR MAX (CLIP ON)

3

Rated Output

5

Distortion

6

INPUT SENSITIVITY

BAL

1% (450W) -3.5 1dB 1dB 1.5dB

% dB dB dB

CHA,CHB

7

FILTER

STEREO STEREO IN (30Hz)

0/+5 -8.5

CHA,CHB FILTER ON

8

PUNCTURE VOLTAGE

5mA 5Sec Input 6dB , 1KHz Load 4 (BAL OR STEREO)

1800V 28Hz24KHz

1800v

9

FREQUENCY RESPONSE

Hz

OUTPUT 6.8V(10W)

3

SEKAKU ELECTRON INDUSTRY CO., LTD.

Test Result
Model No MACRO 2400(Amplifier)
Tester:
Test Item 1 Power Source 8 4 Load 4 3 Rated Output Load 8 4 Signal/Noise Input 1KHz 6dB Load 4 Input 1KHz 6dB N/A 90dB 105dB (A) 0.1% (10W) N/A dB dB(A) % VR MAX (CLIP ON) Test Conditions AC: Spec
115/120/230/240V

USER OF VP-7724A
Test Result AC: V Remark

Test Date: 2002,11,29

2

Rated Output (BRIDGE)

1500W 2400W 750W+750W

W CLIP ON W W+W INPUT 1KHz (CLIP ON)

5

Distortion

6

INPUT SENSITIVITY

BAL

1% (750W) -3.5 1dB 1dB 1.5dB

% dB dB dB

CHA,CHB

7

FILTER

STEREO STEREO IN (30Hz)

0/+5 -8.5

CHA,CHB FILTER ON

8

PUNCTURE VOLTAGE

5mA 5Sec Input 6dB , 1KHz Load 4 (BAL OR STEREO)

1800V 28Hz24KHz

1800v

9

FREQUENCY RESPONSE

Hz

OUTPUT 6.8V(10W)

4

MACRO 830/1400 BLOCK DIAGRA14M

BRIDGED

2 . BLOCK DIAGRAM

5

MACRO 2400 BLOCK DIAGRAM

BRIDGED

6

1 3 4 5 6 7 8

2

D D

+VCC_A

SP_A

be modify

+15V_A

3

3. Schematic Diagram

2

1

C

be modify
C

5 6 4 7

+14V

8

11

7

8

7

3

5 -15V_A

12+ +VCC_A

1+ 2BR_NEG

1

8

11

12

BR-RET

13

14

BR_BAL

15

16

BR-CUT

B

17

18

F-BYP-B B

F-SND-B

19

20

F-30-B

21

22

CLIP-B

23

24

-IN B

+IN B

25

26

6

7
be modify
BR_POS TH_A

1

2

3

4

5

6

2

9

10

4

-14V

be modify

-VCC_A

SP_A

BR_BAL

A SP_A A

Title Size D Date: File: 4 5 6 7 Number 19-Dec-2002 D:\

C

Revision Sheet of Drawn By: 8

1 3

2

1 3 4 5 6 7 8

2

D D

+VCC_B

be modify

+15V_B

+IN B

3

2

1

be modify

-IN B

C

F-30-B C

F--SND-B

F-BYP-B 8 5 6 4 7

+14V

be modify

BR_POS

9

16

13

+VCC_B

2+ BR_NEG -15V_B B

8
be modify
3 4 5

10

14

1-

1+ 2-VCC_B SP B

12

15

B

-14V

-VCC_B

CLIP-B

BR_RET

A A

Title Size D Date: File: 6 7 Number 19-Dec-2002 D:\

C

Revision Sheet of Drawn By: 8

1

2

1

2

3

4

5

6

7

8

D

D

+14V

+15V_B

+15V_A

GRN +VCC_A

BLU

1 2 BR_CUT

YEL -VCC_A

BLK

BLU

BLK -14V -VCC_B

VIO

+VCC_B

-15V_A

-15V_B

C

C

BLK

WHT

RED

VIO

9
1 2 3 4 5 6 2 1 2 1 TH_A B A Title Number Size D Date: File: 3 4 5 6 7 19-Dec-2002 D:\ 8

LINE

NEUT

GND

B

A

C

Revision Sheet of Drawn By:

1

2

1 3 4 5 6 7 8

2

D

D

7 6 5 4 3 2 1

2 3 1 7 6 5 4 3 2 1

R T

S

C

1 2 3 4 5 6 7

C

1 2 3 4 5 6 7

B R T S 1 3 5 7 9 11 13 15

26 24 22 20 18 16 14 12 10 8 6 4 2

25 23 21 19 17 15 13 11 9 7 5 3 1

2

4

6

8

10

12

14

A

16

10
B 2 3 1 A Title Size A3 Date: File: 3 4 5 6 19-Dec-2002 D:\ 7 Sheet of DrawnBy: 8 Number

C

Revision

1

2

1 3 4 5 6 7 8

2

D

D

+VCC_A

+15V_A

3

2

1

be modify
C

C

5 6 4 7

+14V

8

be modify

BR_POS

11

5

6

7

8

7

3

12+ -15V_A +VCC_A

1+ 2BR_NEG

8

9

10

1

11

12

BR-RET

13

14

BR_BAL

15

16

BR-CUT B

B

17

18

F-BYP-B

F-SND-B

19

20

F-30-B

21

22

CLIP-B

23

24

-IN B

+IN B

25

26

6

11
TH_A 3 4 5

1

2

3

4

5

2

4

-14V

-VCC_A

SP_A

BR_BAL

A SP_B

A

Title Size D Date: File: 6 7 Number 19-Dec-2002 D:\

C

Revision Sheet of Drawn By: 8

1

2

1 3 4 5 6 7 8

2

D D

+VCC_B

+15V_B

+IN B

3

2

1

be modify

-IN B

C

F-30-B

C

F--SND-B

F-BYP-B 8 5 6 4 7

+14V

be modify

BR_POS

9

16

13

+VCC_B

2+ BR_NEG -15V_B B -VCC_B SP_B

12
3 4 5

10

14

1-

1+ 2-

12

15

B

-14V

-VCC_B

CLIP-B

BR-RET

A A

Title Size D Date: File: 6 7 Number 19-Dec-2002 D:\

C

Revision Sheet of Drawn By: 8

1

2

1 3 4 5 6 7 8

2

D

D

+14V +15V_B +15V_A

BLU

GRN +VCC_A

BLU

1 2

YEL -VCC_A

WHT

BR_CUT

WHT

YEL -15V_A

BLK

+VCC_B

C -VCC_B

YEL

-14V

-15V_B

C

WHT

VIO

13
1 2 3 6 5 4 TH_A 3 4 5 6

RED

VIO

LINE

2 1

2 1

NEUT

GND

B

B

A

A

Title Size D Date: File: 7 Number 19-Dec-2002 D:\

C

Revision Sheet of Drawn By: 8

1

2

1 +110_A

2

3

4

5

6

7

8

D 1 GND 7 BAL/STR VBAL 5 6 V+ 2 3 4 8

D

+55V_A

+110_A

+15V_A

3

2

1 C

be modify

C

CT_A 8 BR_POS 7

5 6 4

+14V

11

1

2

3

4

7

3

5

2 BR_NEG

1

8

5

6

4

7

8

9

10 B

11

12

B

BR-RET

13

14

BR_BAL -15V_A

15

16

BR-CUT

17

18

F-BYP-B

F-SND-B

19

20

F-30-B

21

22

CLIP-B

23

24

-IN B

-14V

+IN B

25

26 BR_BAL -110V_A

6

-55V_A

SP_B

1 2 3 4

GND

V+

8 7 BAL/STR VBAL 6 5 A

A

-110V-A

Title Number Size D Date: File: 3 4 5 6 7 19-Dec-2002 D:\

C

Revision Sheet of Drawn By: 8

1

2

2+

14
be modify

1+ 12-

1 3 4 5 6 7 8

2

+110_B

D 1 GND V+ 7 BAL/STR BAL 5 6 + _ V8 2 3 4

D

+55V_B

PSA31500-A
+110_A

+IN B +15V_B

3

2

1

C

-IN B

be modify

C

F-30-B

F-BYP-B

F-BYP-B 6 4 7

5

8

CT_B

BR_POS

12+ -15V_B

1+ 2BR_NEG

9

B

16

15
be modify
-110V_A 1 2 3 4 GND + _ VBAL/STR BAL V+ 8 7 6 5 3 4 5

+14V

10

14

12

15

13

B

-14V

CLIP-B

SP_B -55V_B

BR_RET

A

A

-110V-B

Title Size D Date: File: 6 7 Number 19-Dec-2002 D:\

C

Revision Sheet of Drawn By: 8

1

2

1

2

3

4

5

6

7

8

D

D

+14V

+15V_A

+15V_A

BLU +55V_A +110V_A

GRN

VIO 1 2

YEL -110V_B CT_A

BLK

+15V_B

BR_CUT

VIO

BLU

-55V_A

-15V_B

WHT

+55V_B

+110V_B

-15V_A

BLK

BRN

-14V -110V_B

C

-15V_A

C

BLK

CT_B

WHT

BRN

RED -55V_B

16
CT_A 1 2 3 6 5 4 3 4 5

WHT

LINE

2 1

2 1

NEUT

GND

B

B

A

A

Title Number Size D Date: File: 6 7 19-Dec-2002 D:\

C

Revision Sheet of Drawn By: 8

1

2

4. Printed Circuit Board
MACRO830/1400

17

18

19

20

Macro2400

20

22

23

24

25

26

27

MACRO 830 UNIT CONNECTING
3 4 5 6

1

2

D

5. Wiring Diagram

D

L

C

C

000-R

230/6A 115/11A

25
B

B

000 W 2

PSA-3000-VR

A Title Size B Date: File: 3 4 5 17-Nov-2002 Sheet of DrawnBy: 6

A

MACRO830 UNIT CONNECTING
Number Revision

1

2

MA CR O 140 0 UN IT CO NN EC TIN G
2 3 4 5 6

1

D

D

C

C

1 2

1 2

26
1 2 1 2 Title Size B Date: File: 2 3 4 5 17-Nov-2002 Number

230/8A 115/15A

B

B

PSA-3000-R-VR

A

A

MACRO 1400 UNIT CONNECTING
Revision Sheet of DrawnBy: 6

1

MACRO 2400 UNIT CONNECTING
2 3 4 5 6

1

D

D

PSA-31300-B

30
PSA-31300PWR-1
2 3 4

C

C

PSA-31300-A

/20A 230/10A

B

B

PSA-3000-VR

A Title Size B Date: File: 5 Sheet Of 17-Nov-2002 DrawnBy: D:\lfr\SCH&PCB\AMP\C900N(1200N(1600N)\C-SCH\PSA-3000SCH.ddb 6 Number

A

MACRO 2400
Revision

1

6. Test Procedure

LABORATORY DC POWER SUPPLY

DUAL TRACKING WITH 5V FIXED MODEL: GPC-3060D

LS 8106 OSCILLOSCOPE

CURRET

VOLTAGE

CURRET

VOLTAGE

POWER

GND +

-

GND +

5V 3A +
POWER

CH1

CH2

CH3

AUDIO GENERATOR GAG-810
POWER

LDM-171

DISTRTION METER

INPUT

SET LEVEL

OUTPUT

+
OUTPUT (600 )
POWER

-

-

+

-

+

ADR-245

INPUT

LAT-45 ATTENUATOR

OUTPUT

+ 0-90dB 0-10dB 0-1.0dB
600 INT

+ LOAD EXT

V
+ 110V 220 110 NORL NORL SHORT DC IN AC UNSWITCH _ DC OUT +

4 8 16
LOAD SEL.

A

LOAD

S.P.

220V

LOAD OUT

-

+

CH-B
(+)

INPUT CONNECTION

LINK

2 3

1

SRT
(GND)
T(+) R(-) S(GND)

AC IN 50/60HZ

(-)

+
21+ 1-

-

SPEAKER CONNECTION

+

-

+
2-

2+ 1-

BREAKER

22+ 1+ 12+ 1+

OFF

LF 30Hz FILTER

ON

BALANCE 1.15V/20K INPUT
BRIDGED

Channel A.B

BRIDGED

PARALLEL

STEREO

MONO

Channel B

Bridged

Channel A

CAUTION: ELECTRIC SHOCK HAZARD. DO NOT REMOVE COVER. REFER SERVICING TO QUALIFIED PERSONNEL. SEE INSTRUCTION MANUAL. ' AVIS RISQUE DE CHOC ELECTRIQUE-NE PAS OUVRIR.
RISK OF ELECTRIC SHOCK DO NOT OPEN

LINK

STEREO PARALLEL (MONO) OFF ON

CAUTION

WARNING: SHOCK HAZARD - DO NOT OPEN AVIS: RISQUE DE CHOC ELECTRIQUE - NE PAS OUVRIR

CLIP LIMIT

CH-A

31

7. Electrical Parts List
SECAKU ELECTRON INDUSTRY CO., LTD
PREPARE PARE DETAIL
NO PARTE PARTE NO, UNIT
QUANTITY AND CONSUMPTION RATE

DATE

PCS TD00038 transformer HA00861 power cord Europe3P HD00041 glass tube fuse 10A 250V 6*32mm UL SA00022 led. 3 MG00020 plate black screw-flat PCS PCS PCS PCS PCS

plate black screw M3*6 cable tie ALT-102SB

PCS

1

PCS

PCS HI00125 sliding HC00108 stereo 6.3 LJB0661-6 HI00128 sliding SW 3digit16P SLB-43-10 handle length10mm RA00092 resistor 5W SB00039 transistor PCS PCS PCS

PCS

PCS

32

PCS

power transistor SA00023 PCS 3

A10K

RV16A-41-15FW-A14-3F1 SA00011 2

bridge rectification 25A/200V light transistor PCS

HI00031 PCS R415KKETOF TD00042 PCS PT-3800E HA00871 power cord Europe3P LT-312+1.5*3C(H05VV-F) 6FT+LT-501 glass tube fuse-high speed 12A 250V 6*32mm PCS 24 PCS 1 1 16 plate black screw-plat MG00025 plate black screw-shallow container HC00100 balanced MIC socket 94M-007P1(plastics) HC00108 stereo MIC socket 6.3 LJB0661-6 HI00125 sliding SW PCS PCS PCS PCS PCS

PCS 3

sliding SW 3digit16P SLB-43-10 handle length10mm

PCS

33

resistor 5W 0.2 Z type transistor MPSA06 transistor MJE15032

PCS

PCS

PCS

PCS SB00021 power transistor SB00023 power transistor SA00023 led. 3 round red high brightness RC00014 PCS RV16A-41-15FW-A14-3F1long bend foot SA00011 bridge rectification PCS PCS PCS

PCS

light 4N33.300

PCS

1

power SW R415KKETOF

PCS % PCS 1 1 % PCS % 2 1 % 1 1 % 1 1

PT-31300E power cord Europe3P LT-312+1.5*3C(H05VV-F) 6FT+LT-501

plate black screw-shallow container HC00100 balanced MIC socket

34

6.3 LJB0661-6 HI00125 sliding SW 2digit6P SL20202-25Y-6mm handle length6mm sliding SW

PCS RC00014 PCS A10K RV16A-41-15FW-A14-3F1long bend foot SB00002 PCS Z0103A(banding) SB00003 PCS MAC224/BTA24-600 PCS MUR1520/STPR1520D PCS STP55NE06/STP60NF06(TO-220) RA00091 resistor 5W 0.2 P transistor MJE15032 SB00044 transistor MJE15033 SB00021 power transistor 2SC5200 SB00023 power transistor 2SA1943-O SA00012 25A/200V BP25-06PWS SB00015 4N33.300 % 1 1 % 4 1 PCS % 4 1 PCS % 4 1 1 PCS % PCS

35

45
46

8. Exploded Views

36
: MACR O 830/1 400/2 400
: 2002 1219

9. Exploded Views Part List

37