Akai ACA-2624 Service Manual Download Page 4

1

2

3

4

5

6

7

8

A

B

C

D

8

7

6

5

4

3

2

1

D

C

B

A

C17
104(C)

C05
102(M)

D01

1N4148

C07
100U/25V

C04

100U/16V

C06
100U/16V

LED01

SAM3270

T01

9015C

T02

9015C

R13
27K

R04
68K

R02
4K7

t

TH01
50KTH

T05
9014C

15A

F01

T11

FQP50N06

T12

OPEN

TR01

362315-40554

2IN

+

16

2IN

-

15

Re

f

14

OUT

13

VCC

12

C2

11

E2

10

E1

9

C1

8

GND

7

RT

6

CT

5

DTC

4

Fback

3

1IN

-

2

1IN

+

1

IC01
KIA494AP

R12
1K

R14
15K

C02

47U/16V

C01
100U/16V

R06
10K

R01
4K7

T07

2SA1013

T09

9015C

T10

9015C

R05
10

R03
10K

C12

10U/25V

C03

100U/16V

R25
10K

R26
220

C16

2200U/25V"RX"

R27
220

R30

47

C15

2200U/25V"RX"

R33

47

D03

1N4148

D02

1N4148

T14

FQP50N06

T13
FQP50N06

C11

104(C)

R28
1K

R29
1K

R32

OPEN

R24

1K2

R31

47

C14
104(C)

R15
130KF

R17

10 1/2W

R23

51K

R22

1K2

C13

473(C)

T06
9014C

T08
9014C

R21

4K7

R19
4K7

R44
10K

R16
51KF

R18

4K7

R20

10K

D04

1N4004

L02

CL-310  8T  1.8uH

C35
OPEN

C52
104(C)

C51

104(C)

C50

104(C)

D17
1N5404

+12V

REM

GND

P01

JSZ3-06C

15A

T15

OPEN

T16
FQP50N06

R46

47

R45

OPEN

R35
OPEN

R34
OPEN

C18

OPEN

C19
OPEN

L03

SHORT

ACA-2624-POWER-PA4-4.SCH

T17
OPEN

R39
10K/0.5W

R42

OPEN

C33
OPEN

C34
OPEN

R40
10K/0.5W

R41

OPEN

C30

3300U/50V

R43
OPEN

C29

3300U/50V

C28

OPEN

C32

104(C)

C27

OPEN

C31

104(C)

C22
220U/25V

C23
220U/25V

C25
104(C)

L01

SHORT

D15

OPEN
D16

OPEN

MUTE

VCC

VEE

D06

FR154

D05

FR154

D07

FR154

D08

FR154

R36

*150  2W

R37

*150  2W

C24
104(C)

+15V

-15V

G

S

D

3

1

2

C20
4U7/50V

G

2

O

3

I

1

IC02
OPEN

G

1

O

3

I

2

IC03
OPEN

C21
4U7/50V

C36
OPEN

C37

OPEN

C26

OPEN

R38
OPEN

Z1
1N4744

Z2
1N4744

JUMPER

JUMPER

D13
C25-02C

D12
C25-02N

C08
104(C)

R07

1K

R11

15K

C09
10U/25V

C10
47U/50V

R10
15K

R08

22K

T04
5401

PROTECTION

R09
33K

T03

9014C

T22

9015C

T23
9014C

JP3

OPEN

R48
56K

Summary of Contents for ACA-2624

Page 1: ...SERVICE MANUAL ACA 2624 POWER AMPLIFIER...

Page 2: ...TOTECT MUTE CONTROL TRANS REGULATOR POWER REGULATOR IC01 POWER CONTROL RL IN RR IN VR301B VR301A IC301A IC301B 2 1 POWER AMP T451 T457 T458 T461 T462 T465 IC102A IC103A IC103B POWER AMP SW101B FL OUT...

Page 3: ...161 1K R156 1K R167 100 R164 100 T154 5401 T153 5401 T151 5551 T152 5551 T156 5551 T155 5401 C161 47 C C159 47 C R166 1K8 R165 4K7 T157 2N5551 T159 2SA1013 T158 2SC2383 R168 220 R170 0 12 3W T161 OPEN...

Page 4: ...73 C T06 9014C T08 9014C R21 4K7 R19 4K7 R44 10K R16 51KF R18 4K7 R20 10K D04 1N4004 L02 CL 310 8T 1 8uH C35 OPEN C52 104 C C51 104 C C50 104 C D17 1N5404 12V REM GND P01 JSZ3 06C 15A T15 OPEN T16 FQP...

Page 5: ...PA4 4 PCB X060210...

Page 6: ......

Page 7: ......

Page 8: ......

Page 9: ...ELE 4 7U 50V CAPACITOR C309 MAL 0 1U 100V CAPACITOR C152 CER 1000P 100V CAPACITOR C31 CER 0 1U 50V CAPACITOR C153 ELE 10U 25V CAPACITOR C32 CER 0 1U 50V CAPACITOR C154 ELE 10U 25V CAPACITOR C350 ELE 4...

Page 10: ...W RESISTOR D251 1N4148 GE DIODE R16 CAR 51K 1 4W 1 RESISTOR D351 1N4148 GE DIODE R160 CAR 100 1 4W RESISTOR D451 1N4148 GE DIODE R161 CAR 1K 1 4W RESISTOR F01 BXS 03A FUSE HOLDER GOLD PLATED R162 CAR...

Page 11: ...OR R265 CAR 4 7K 1 4W RESISTOR R376 CAR 56K 1 4W RESISTOR R266 CAR 1 8K 1 4W RESISTOR R377 CAR 680 2W RESISTOR R267 CAR 100 1 4W RESISTOR R378 CAR 4 7 1 2W RESISTOR R268 CAR 220 1 4W RESISTOR R39 CAR...

Page 12: ...TO 92 E B C T453 2N5401 TRANSISTOR TO 92 E B C T03 9014C TRANSISTOR TO 92 E B C T454 2N5401 TRANSISTOR TO 92 E B C T04 2N5401 TRANSISTOR TO 92 E B C T455 2N5401 TRANSISTOR TO 92 E B C T05 9014C TRANS...

Page 13: ......

Page 14: ...7 CH3 65 52 CH4 65 46 CH1 89 45 CH2 88 03 Rear L R CH3 89 00 CH4 89 54 W Product specification CH1 47 38 CH2 47 71 CH3 44 52 CH3 66 01 CH4 68 47 Normal Output power 2 Rated Distortion 0 7 Front L R W...

Page 15: ...CH1 CH2 contra phase CH3 CH4 contra phase 10 Gain difference between channels Volume output max max decrese 46dB dB 3 1 5 9 Phase between channels In phase Work normally Not self excitation and parasi...

Page 16: ......

Reviews: