Alto A400.4 Service Manual

MODEL: A400.4

www.altoproaudio.com

Version 1.0

CONTENT

1. Introduction.............................................................................................1

2. Specification............................................................................................2

3. Block Diagram.........................................................................................3

4. Schematic Diagram.................................................................................4

5. Wiring Diagram......................................................................................10

6. Printed Circuit Board..........................................................................11

7. Exploded View & Mechanical Parts List..................................................13

8. Electrical Parts List.............................................................................15

1. Introduction

˙ 1.5U 1/2 rack, multi-channel high power amplifier.
˙ Fantastic audio quality even with extremely high volume levels.
˙ Solid and durable, can be mounted into a cabinet.
˙ User-controllable clip limiter.
˙ 4×120Watts on 4 ohms (EIAJ)
˙ Balanced XLR inputs and 1/4” TRS jack to ensure noiseless long wiring.
˙ 1/4”TS jack for sp-output.
˙ Front panel LED indicators for signal, limit and clip.
˙ Accurate gain control
˙ Independent thermal overload protection on each channel automatically

protects amplifier and speakers.

˙ Single channel over-heat protection.

- 1 -

2. Specification

MODEL

20Hz 20KHz@0.1%THD, Stereo Mode

8 ohms per channel(EIAJ)

4 ohms per channel(EIAJ)

4 ohms per channel(RMS)

Input Sensitivity @4 ohms

Controls

Indicators (per channel)

Connectors of each channel

A400.4 DRAGONFLY

65W

120W

62W+3W

+3dBu

FRONT: Power switch, LEVEL knobs

REAR: Four LIMITER Switches for channel 1- channel 4

Power-On: Green LED

Clip: Red LED

Limit: Yellow LED

Signal: Green LED

Input: COMBO connector

Output: 1/4" TS jack connector

(at THD:1%)

Power Supply

Dimension

Net Weight

190-240 Vac~50Hz / 95-120Vac~60Hz

314mm x 208.5mm x 66.6mm

3.8Kg

- 2 -

3. Block Diagram

D

4

C

B

A

PM8PWR

POWER SUPPLY

321

A400.4

AMP

D100W

AMP

D100W

BLOCK DIAGRAM

PRE-AMP

1 2 34

CH1

D

C

CH2

- 3 -

CH3

B

CH4

A

4. Schematic Diagram

D

C

B

A

PJ4

3c

4

1

2

3

CN7

CON3

C6

100P

100P

1

C5

1

2

3

4

CN10

2

3

CON4

4

5

6

1

2

3

CN8

CON3

C8

100P

C7

100P

4d

1

2

CN17

CH4_S P+

SW2A

4

1

2

3

4

5

X1

X2

X3

321

CN3

6

SW2B

CN-BAL-COMBI

SW PS-22E85L

SW4B

5

6

P

1

SW PS-22E85L

SW4A

CH3

P

SW PS-22E85L

2

3

1

2

3

4

5

X1

X2

X3

SW PS-22E85L

CN4

6

PJ3

3c

4d

CN-BAL-COMBI

1

2

CH4

CN15

2b

CON2

2b

CON2

PHONEJACK5 (5-PIN)

5e

1a

C12

100P

1

2

CN18

CON2

CH4_S P-

PHONEJACK5 (5-PIN)

5e

1a

C11

100P

1

2

CN16

CON2

CH3_S P+

1

2

3

CN5

1

X1

X2

X3

CON3

C2

100P

6

100P

1

SW1A

4

SW1B

C1

2

3

4

5

1

2

3

4

CN9

2

3

SW PS-22E85L

5

6

P

SW PS-22E85L

CON4

4

5

6

SW3B

1

SW3A

P

SW PS-22E85L

2

3

X1

X3

SW PS-22E85L

1

2

3

CN6

1

X2

CON3

C4

100P

C3

100P

2

3

4

5

6

PJ2

3c

4d

2b

1

2

CN13

CON2

CH2_S P+

CN1

CN-BAL-COMBI

CH1

CN2

CN-BAL-COMBI

CH2

PJ1

3c

4d

2b

1

2

CN11

CON2

CH3_S P-

PHONEJACK5 (5-PIN)

5e

1a

C10

100P

1

2

CN14

CON2

TP1

TP-2

CH2_S P-

PHONEJACK5 (5-PIN)

5e

1a

C9

100P

1

2

CN12

CON2

1 2 34

CH1_S P+

D

C

B

CH1_S P-

A

- 4 -

A

GND

R51

CN7

82R

123

B

CLIP

SIG

LIMI TER

12345

GND

CN13

4

CON4

R47

270R

CON5

R54

30R

82R

R50

180R

R53

LIMI TER

C

CLIP

12345

CON5

R24

30R

82R

R20

180R

R23

CN11

GND

CLIP

SIG

LIMI TER

12345

CON5

R52

30R

R49

270R

180R

R45

D

8

CLIP

SIG

LIMI TER

12345

CN5

7654321

R15

270R

CON5

R21

82R

GND

R22

30R

R19

180R

123

4

CN3

SIG

CN8

CON4

R17

270R

1

U5A

NJM4580L

C13

R26

82K

56pF/50 cer

123

CH1-OUT

CN4

C11

R6

56pF/50 cer

C9

47uF/25V

1

C6

100pF/50 cer

R4

10K

3

2

R1

15K

R2

C1

22uF/50V

CN1

CON3

GND

CH1 GAIN

15K

123

CH2-OUT

U2

17K4

R5

U1A

C2

CON3

2

R25

41

VTL

1

2

10K

VR1

NJM4580L

R3

10K

C5

22uF/50V

CH1-IN

3

R27

10K

10K

GND

2 3

U3A

NJM4580L

3

R9

10K

GND

A10K

C7

100pF/50 cer

GND

GND

100pF/50 cer

GND

GND

C14

56pF/50 cer

C12

56pF/50 cer

C10

47uF/25V

1

R8

10K

2

R7

15K

R10

C3

22uF/50V

CN2

7

82K

6

R28

41

VTL

7

5

6

VR2

10K

C8

100pF/50 cer

22uF/50V

CH2-IN

5

10K

A10K

GND

GND

GND

U5B

NJM4580L

R30

10K

GND

2 3

U3B

NJM4580L

R13

10K

GND

GND

C28

100pF/50 cer

C31

56pF/50 cer

123

CH3-OUT

CN12

C30

56pF/50 cer

C29

47uF/25V

7

R34

10K

6

R31

15K

R32

C23

22uF/50V

CN9

R29

U4

R14

17K4

10K

R12

CH2 GAIN

U6A

NJM4580L

R11

3

15K

C4

123

CON3

1

82K

2

R55

41

VTL

1

3

2

VR3

3

10K

A10K

R57

U8A

R39

U10A

10K

GND

2 3

NJM4580L

10K

GND

R56

CON3

CH4-OUT

GND

U7

R36

17K4

10K

R35

CH3 GAIN

U1B

5

15K

C24

123

CON3

R33

NJM4580L

10K

C27

22uF/50V

CH3-IN

100pF/50 cer

GND

GND

GND

C33

100pF/50 cer

NJM4580L

GND

C35

56pF/50 cer

C34

56pF/50 cer

C44

47uF/25V

7

R38

10K

6

R37

15K

R40

C25

22uF/50V

CN10

7

82K

6

R58

41

VTL

7

6

10K

VR4

NJM4580L

10K

C32

22uF/50V

CH4-IN

U10B

NJM4580L

5

R60

10K

GND

10K

2 3

U8B

NJM4580L

5

R43

10K

GND

GND

CN6

15V

84

84

123

CON3

-15V

GND

C42

220u/25V

C43

220u/25V

U10C

NJM4580L

C40

104P

C41

104P

U8C

NJM4580L

C38

104P

C39

104P

A10K

84

U6C

NJM4580L

C36

104P

C37

104P

GND

GND

84

U5C

NJM4580L

C19

104P

C20

104P

100pF/50 cer

GND

84

U3C

NJM4580L

C17

104P

C18

104P

R59

U9

R44

17K4

R42

CH4 GAIN

U6B

R41

5

15K

C26

123

CON3

84

U1C

NJM4580L

C15

104P

C16

104P

D

C

B

A

1 2 3 4 5 6 78

- 5 -

D

4

321

C

B

A

CN1

LED3

GR

LED2

YEL

3

4

5

LED1

1

2

RED

CON5

CN2

LED6

GR

LED5

YEL

4

5

LED4

RED

1

2

3

CON5

1 2 34

D

C

B

A

- 6 -

D

V27N

GND

V27NF

P3

470N

2200U/25V

2200U/25V

P

C12

470N

C21

2200U/25V

L5

1uH/12A

C20

2200U/25V

P2

P

8

V27NFB

7654321

C13

C24

L6

1uH/12A

C23

C

B

1234567

123

CN4

V15A

GND

K2

CON3

V15N

V27N

GND

V27NF

8

CON8

1234567

K3

A

8

CON8

C11

R6

L4E

16 14

D12A

30CPQ150

470P/500V

T2

D4

270RR5270R

C22

17

D12B

R9

234

1N4148

V27NY

2200U/25V

C19

2200U/25V

1315

L4B

R14

GND

100N

8

5

150K

C37

9 11

13415

470U/200V

LF20_13EED

L4D

7

1

T1

3

L4C

LF20_13EED

LF20_13EED

12 10

30CPQ150

D9B

30CPQ150

D9A

30CPQ150

C10

470P/500V

C41

10R/30W

2

10

1

R13

150K

C7

470U/200V

24

L4A

LF20_13EED

LF20_13EED

D8

BYV27-150

C6

IC1

L7812CV

D2

100U/25V

C5

100N

BYV27-150

C4

330U/25V

17

TF20_13EED

M2

STW9NK90Z

ADD R0 20060120

R0

2

PE67100

4

10K

D7

BZT03-C16

Q2

BC640

R8

6R80

V15A

C16

C30

IC4

7815

C25

C47

R20

12R/10W

V27NF

100N

100U/25V

100N

180U/25V

GND

V15N

C14

100N

C26

100U/25V

C48

100N

C9

180U/25V

R21

12R/10W

V27N

D5

GR

R10

2K2

IC2

7915

1

2

S1

CON2

L2

1uH/12A

C3

2N2/400V

C2

P

2N2/400V

C39

2N2/400V

D1

C38

2N2/400V

Q1

BT139

A2A1

KBU8M

G

P1

D

L3

1uH/12A

C8

470U/200V

C36

470U/200V

R2

NTC_B57237

4

L1

TL25-050-182

2

CX1

0.47u

R7

1M

CY1

4

2

L7

TL25-050-182

AC_INPUT

K1

222P

2

D3

C1

CY2

1N4007

C49

14D391K

CX2

3

1

222P

3

1

CON2

R15

1R8

R3

150K

R4

845K

100N

R1

845K

1u/275V

24678

J1

2

K4

CON2

AC_SEL

C

9

10

CON10

PMPWRCTL_BOARD

V27NY

V27N

R11

75R0

R12

150R

V27NFB

GND

V27NF

2

4

J2

CON4

1 2 3 4 5 6 78

B

A

- 7 -

D

C

B

A

8

TE6

TE1

TE8

C111

C13

10N(NPO)

10N(NPO)

TE7

C110

TE2

10N(NPO)

CASE

C64

CASE

GND

GND

7654321

GND GND

+25 -25

1N(NPO)

C56

0.01uF
R70

47R 1/4W

R63

R40

R39

100R

11

L10

L3

5R60

5R60

C40

R68

TWKC-22UH

TWKC-22UHL4TWKC-22UH

22N

C18

470N MKT

2N7 COG

C151

C30

560P

C29

560P

12

47R 1/4W

R65

L11

47R 1/4W

TWKC-22UH

C41

22N

R66

R64

7

C62

47R 1/4W

100R

R42

5R60

R41

5R60

1N(NPO)

C50

0.01uF

C21

470N MKT

C152

2N7 COG

GND GND GNDGND

C33

560P

C32

560P

+25 -25

6

OUT2

BOOT2

VDD1

5

VDD2

+25

13

SW217REL216ENA214VSTAB9POWUP15DIAG3ENA14REL12SW1

C49

220N

-25

24

20

FB1

VDD1

3

VDD2

+25C

10

N1-4N1+

U6

C28

560P

R26

10U/16V

C20

5K60

23

SW1

REL1

5

R27

C22

22

21

ENA1

SGND12OSC7MODE

GND

5K60

10U/16V

U8

OUT

BOOT

VSS1
VSS2

TDA8927

8

10

-25

1

R28 1K0

-25C

D8

R1

C59

1N

56K

+25C

ZD5.6

GND

MUTE

C48

220N

-25C
18

15

19

DIACUR

STABEX

DIATEMP

6

R31

27K

-25C

13

16

STABINT

CN1

17

14

FB2

SW2

REL2

ENA2

11

SGND2

VSS1

1

VSS2

-25C

12

GND

N2-9N2+

TDA8929

8

GND

C3

560P

R2

220N

5K60

C14

MUTE

10U/16V

C34

C105

100U/35V LOW ESR

5K60

10U/16V

+25C

L1

ferrite bead

R3

C15

+25

GND

2

CON3

L5

ferrite bead

TE3

C9

220N

NOT USE

C10

220N

C8

GND

C47

220N

C45

C46

C23

2200U/35V

C1

0.1uF50V

+VCC

220N

C4

470N

470N

0.1uF/100V

C16

0.1uF/100V

C31

0.1uF/100V

C55

0.1uF/100V

C61

470N

C7

470N

-25

+25

0.1uF/100V

C6

GND

NOT USE

C106

GND

100U/35V LOW ESR

-25C

L2

ferrite bead

C24

2200U/35V

-25

TE4

GND

L6

C2

0.1uF50V
ferrite bead

TE5

-VCC

C60

C5

GND

1 2 3 4 5 6 78

D

C

B

A

- 8 -

D

C

B

A

CURR

OUT

C2

10U/50V

4

R13

24K

D2

TMBYV 1 -40

D3

TMBYV 10-40

VCC1

3

4

VCC

OUT

VFWD

10K

VREF

12

R12

2K2

470P_NPO

C1

VFWD

D4

321

U1

6

BAS85

27K

C12

R9

R8

CURR/10

D1

R16

R14

2

8

1N414BS

10R7

180R

ILIM

FEEDBK

R23

R15

14

100K

4R30

C11

470P_NPO

C10

SOFTST

R15----4R30

050111 modify

27N

5

1

PGND

COUNT

SLOPE

ISET9RAMP10FREQ

7

13

GND

11

2 2U/35V

R10

C13

R2

27N

47R0

28K

VR1

R11

10K

J1

VCC1

UCC3571D

C7

C8

123456789

OUT

VFWD

N/C

270P_NPO

20K

CURR

C7----N/C

CURR/10

C8----270P_NPO

10

FFEDBK

R10---28K

CON10

R11---10K

040515 modify

FFEDBK

U3

C14

27N

R17

180R

VCC2

U2

C4

68N

C5

R3

1K

R5

68R0

C6

R6

19K6

4

5

OPTO CNY17-3T

1

2

R1

68R0

1

3

VCC

COMP

2

R4

1K

47P

27N

8

7

COL

ISET

GND

EA+4REF

EA-

6

C16

UC39432BD

5

R19

1K

C18

470P_NPO

C15

68N

1K

1 2 34

27N

R20

C17

470N

R22

19K6

C3

3N3

R7

150R

VCC2

R18

D

VCC2

75R0

123

J2

C

4

CON4

B

A

- 9 -

5. Wiring Diagram

- 10 -

- 11 -

- 12 -

- 13 -

- 14 -

1

8. Electrical Parts List

No. Part No. Description Specification Remark

1 MA05618 panel A400.4 DRAGONFLY ALTO_V1.0
2 MA05584 panel A400.4
3 MA05583 panel 1.0t*12*63.6*205.5 A400.2_V1.5
4 ME00184 iron pillar

A200.2 M3*11.2*0.5PH*φ5.8_V1.0

5 MJ00058 single light board 1*2135*1220 20.45kg
6 MI03126 front board

A400.4 DRAGONFLY ALTO left_V1.0

7 MI02595 front board A1000.4 left
8 MI02596 front board A1000.4 left_V1.0

9 MI02959 front board 6*40*1M(1M/0.59kg) A500.2_V1.0
10 MB04429 chassis A400.4 DRAGONFLY ALTO_V1.2
11 MB04401 chassis A400.4
12 MB04400 chassis A400.4 64.8*208.5*308_V1.7
13 ME00001 screw pillar M4*10*0.7PH
14 ME00038 iron pillar 6.35*M3*8.4_V1.3
15 MJ00059 single light board 1.2*2135*1220 24.54kg
16 AE00055 solvent solvent
17 AE00060 paint 4534
18 MJ00476 cushion A500.2 up_V1.1
19 MJ00477 cushion A500.2 up_V1.2
20 MJ00057 AL plate-RS 3.0t*2000*1000mm 16.32kg
21 MJ00478 cushion A500.2 down_V1.1
22 MJ00479 cushion A500.2 down_V1.2
23 MJ00057 AL plate-RS 3.0t*2000*1000mm 16.32kg
24 MI02593 front board A1000.4 right_V1.0
25 MI02594 front board A1000.4 right_V1.0
26 MI02959 front board 6*40*1M(1M/0.59kg) A500.2_V1.0
27 MI03073 heat-sink A400.4 31.8*90*210_V1.3
28 MJ00057 AL plate-RS 3.0t*2000*1000mm 16.32kg
29 MC00675 top cover A500.2 DRAGONFLY_V1.3
30 MC00671 top cover A500.2
31 MC00670 top cover 1.2t*208.5*308*1.2 A500.2_V1.5
32 MJ00059 single light board 1.2*2135*1220 24.54kg
33 AE00055 solvent solvent
34 AE00060 paint 4534
35 NI03389 net A500.2 96*61.6*5t_V1.0
36 HI00031 power switch-RS R415KKETOF
37 HC00423 FUSE holder 4A (EMI-power filter)
38 HD00018 glass tube fuse

6.3A 250V φ5.2*20mm CCEE/CSA/S/UL/VDE

39 NI00262 sleeve φ5*25mm
40 NI00258 sleeve φ5*1000mm
41 NI01862 key 5.5*5.5*14.5_V1.1
42 NI01863 key-RS φ5.5*W10*7.5

- 15 -

No. Part No. Description Specification Remark

43 NI00360 knob φ15*15mm
44 SA00052 L.E.D φ3 round(green)long foot 26
45 NI00222 sleeve φ1.5*30mm
46 NI00221 sleeve 1.5φ*1000mm
47 HA01388 row-wire connector wiring 2P 100
48 MG00281 screw M3*6
49 MG00578 screw M3*10*0.5PH_V1.0
50 MG00041 screw M3*6
51 MG00561 copper pillar M3*20*0.5PH 26
52 MG00025 screw M3*6
53 MG00042 screw M3*10
54 MG00061 screw M3*10
55 MG00162 screw M3*8
56 MF00037 washer φ3.2*φ5.5*1t
57 MF00014 washer φ3*φ6.5*0.5t
58 ME00016 color nut 4m/m
59 MF00038 washer φ4*φ7*1t
60 MF00048 washer φ4*φ8*0.5t
61 MF00061 MIC jack φ9.6*φ13*0.5t
62 ME00060 MIC jack JY-6351G-02-250
63 HA03495 wire 4P-4P 500mm UL1007 28AWG
64 HA01394 row-wire connector wiring 3P-3P 120
65 HA03506 wire 3P-3P 500mm UL2547 28AWG
66 HA04172 wire 3P-3P 150mm UL2547 28AWG
67 HA04173 wire

3P-3P 250mm UL2547 28AWG blue

68 HA03498 wire 8P 280mm UL1007 18AWG
69 HA02763 wire 8P 200mm UL1007 18AWG
70 ND00150 silicone sleeve φ12*150mm
71 ND00026 silicone sleeve 100*20
72 NI00218 cable tie ALT-102SB
73 HA00861 power cord Europe 3P LT-312+LT-501
74 NA00137 clip-chain bag 5*7
75 NI00498 self-adhere foot cushion 12.7*7*6mm(SF-005)
76 HJ00006 dessicant 30g
77 NA00123 PE bag 0.04t*580*300mm
78 NE11347 label ALTO PI
79 NH00334 cone paper 0.040*1m
80 NF00061 assurance card ALTO
81 NA00279 clip-chain bag 0.04t*100*150mm_V1.0
82 AD00012 twin adhesive 90*120mm_V1.0
83 HK05925 PC board P-A4-400IO
84 HB01806 PCB A4-400IO_VER060203

- 16 -

No. Part No. Description Specification Remark

85 HC00077 connector(male) 3P 2.5mm 180° CN5,CN6,CN7,CN8
86 HC00078 connector(male) 4P 2.5mm 180° CN9,CN10
87 HC00391 balance MIC jack CXLF-07L(PUSH)/(BELTON) CN1,CN2,CN3,CN4
88 HI00162 push-button switch 2 paragraphs 6p PS-22E8552L SW1,SW2,SW3,SW4
89 CA00024 ceramic capacitor 100PF SL

C2,C3,C4,C5,C6,C7,C8,C9,C10,C11,C12

90 HC00371 MIC jack SCJ-0658-1-Y PJ1,PJ2,PJ3,PJ4
91 HA03720 single terminal wiring 240mm UL1015 18AWG red CN11
92 HA03721 single terminal wiring 240mm UL1015 18AWG black CN12
93 HA02578 single terminal wiring 220mm UL1007 18AWG red CN13
94 HA02579 single terminal wiring 220mm UL1007 18AWG black CN14
95 HA02343 single terminal wiring 300mm UL1015 18AWG CN16,CN18
96 HA02189 single terminal wiring 100mm TP1
97 ND00206 silicone sleeve φ6*140mm
98 ND00202 silicone sleeve φ6*1000mm
99 AC00179 tin without lead M705E Sn 3Ag-0.5Cu

100 HK05945 PC board P-A4-400FP-DIP
101 RA00169 fixed resistor 1/4W 33Ω F type R22,R23,R52,R53
102 RA00180 fixed resistor 1/4W 82Ω F type R21,R24,R51,R54
103 RA00190 fixed resistor 1/4W 180Ω F type R19,R20,R49,R50
104 RA00195 fixed resistor 1/4W 270Ω F type R15,R17,R45,R47
105 CB00029 electrolytic capacitor 22uF/35V φ5*11mm

C1,C2,C3,C4,C23,C24,C25,C26

106 CB00039 electrolytic capacitor 47uF/25V φ5*11mm C9,C10,C29,C44
107 HC00077 connector(male) 3P 2.5mm 180°

CN1,CN2,CN4,CN6,CN9,CN10,CN12

108 HC00078 connector(male) 4P 2.5mm 180° CN3,CN7
109 RC00209 potentiometer A10KΩ RV110-40E1-225A-A14 VR1,VR2,VR3,VR4
110 AC00179 tin without lead M705E Sn 3Ag-0.5Cu
111 HK02231 Photodiode

P-photosensitive resistance+φ5LLED

112 RH00020 photosensitive resistance VT90N1
113 SA00201 L.E.D φ5 red(LI3330/A)
114 NI02779 sleeve φ9*30mm
115 NI00274 sleeve φ9*1000mm

U2,U4,U7,U9

116 HK05926 PC board P-A4-400LED CN5-CN11,CN8-CN13
117 HB01805 PCB A4-400LED_VER050324

118 SA00052 L.E.D φ3 round(green)long foot 26 LED3,LED6

119 SA00053 L.E.D φ3 round(red)long foot 26mm LED1,LED4
120 SA00054 L.E.D 3m/m round(yellow)long foot 26 LED2,LED5
121 HC00655 connector 2.54 90° 5P 6/14mm 1.2mm CN1,CN2
122 AC00179 tin without lead M705E Sn 3Ag-0.5Cu

123 HK05927 PC board P-A4-400FP-SMD

R3,R4,R5,R8,R9,R11,R12,R13,R25,R

124 RD00101 SMD fixed resistor 1/10W 10KΩ ±5% 0603

125 RD00103 SMD fixed resistor 1/10W 15KΩ ±5% 0603

27,R28,R30,R33,R34,R35,R38,R39,R
41,R42,R43,R55,R57,R58,R60

R1,R2,R7,R10,R31,R32,R37,R40

- 17 -

No. Part No. Description Specification Remark

126 RD00293

SMD precise resistor 1/10W

17.4KΩ ±1% 0603 R6,R14,R36,R44
127 RD00115 SMD fixed resistor 1/10W 82KΩ ±5% 0603 R26,R29,R56,R59
128 CI00056
129 CI00059

130 CI00075

SMD ceramic capacitor 0603

SMD ceramic capacitor 0603

SMD ceramic capacitor 0603

56PF/50V NPO ±5%
100PF/50V NPO ±5%

0.1uF/50V Y5V +80,-20%

C11,C12,C13,C14,C30,C31,C34,C35

C5,C6,C7,C8,C27,C28,C32,C33

C15,C16,C17,C18,C19,C20,C36,C37,
C38,C39,C40,C41

131 SG00122 SMD integrated circuit NJM4580M-TE3 U1,U3,U5,U6,U8,U10
132 AE00449
133 HB01807 PCB A4-400FP_VER050406

solder material without lead

9308/Sn Ag Cu

134 CB00056 electrolytic capacitor 220uF/25V φ8*11mm C42,C43
135 HK05802 PC board P-PM8PWR-DIP(A400.4)
136 CB00130 electrolytic capacitor
137 CB00131 electrolytic capacitor
138 CB00132 electrolytic capacitor
139 CB00133 electrolytic capacitor
140 CB00164 electrolytic capacitor

100uF/25V 105℃ SH φ6*11mm
180uF/25V 105℃ WL φ8*11mm
330uF/25V 105℃ LZ φ8*15mm
470uF/200V 85℃ LP φ22*40mm

2200uF/35V 105°C TL φ16*32mm

C26,C30,C6
C9,C47
C4
C36,C37,C7,C8

C19,C20,C21,C22,C23,C24
141 CG00056 X2 capacitor 0.47uF/275VAC CX1
142 CG00065 X2-capacitor MPX 1.0uF/275V VDE/UL/CSA CX2
143 CG00028 metal oxide varistors CNR-14D391K C1
144 CG00030 X1/Y2 capacitor

2200PF/400V Y5V ±20% Y2CAP

C2,C3,C38,C39,CY1,CY2
145 CG00033 metal oxide varistors B57237-S100-M R2
146 CN00150 common inductance TC2208-15mH/V644 L1
147 CN00151 common inductance TC2208-20mH/V645 L7
148 CH00027 laminated capacitor 0.1uF/100V X7R PH5mm C25,C41,C5,C48,C49
149 CH00028 laminated capacitor 470PF/100V X7R PH5mm C10,C11
150 CN00058 inductance 1UH/12A(CR4F-302817) L2,L3,L5,L6
151 RA00573 precise resistor 1/4W 150KΩ M type R13,R14
152 RA00727 precise resistor 1/8W 75.0Ω M type R11
153 RA00728 precise resistor 1/8W 150Ω M type R12
154 RA00729 precise resistor 1/4W 1.80Ω M type R15
155 RA00730 precise resistor 1/4W 6.80Ω M type R8
156 RA00731 precise resistor 1/4W 270Ω M type R5,R6
157 RA00733 precise resistor 1/4W 845KΩ M type R4,R1
158 RA01009 fixed resistor 1W 130K P type R3
159 RA01440 precise resistor 1/2W 1M Ω R7
160 RA00735 precise resistor 30W 10.0Ω TO-126 MP930-10.0-1% R9
161 SA00004 high speed diode 2A/100V BYV27-200,113 D2,D8
162 SA00007 bridge rectifier 8A KBU-806 comb type D1

163 SA00093 rectifier diode 1N4148 0.5A D4
164 SA00159 rectifier diode 1A/1000V IN4007 D3
165 SA00146 zener diode 3W 16V BZT03-C16 D7
166 SA00147 diode 30A/150V IR30CPQ150 D12,D9

167 SB00056 Bidirectional S.C.R double direct s.c.r Q1

- 18 -

No. Part No. Description Specification Remark

168 SB00109 transistor BC640 Q2
169 SD00066 integrated circuit L7812CV(TO-220)(ST) IC1
170 TC00118 transformer PE-67100 T1

171 TC00203 transformer 4022-369-7449.2 L4
172 TC00202 transformer 27-12-648 T2
173 TC00168 transformer 27-12-648
174 HI00176 thermal switch

OP62/100℃/145mm

175 RA00701 fixed resistor 1/4W 2.2KΩ M type R10
176 RA00870 chassis bracket 5W 12Ω SQM type R20,R21
177 HC00076 connector(male) 2P 2.5mm 180° D5
178 HC00175 connector(male) 4P 3.96mm 180° K2-1,K2-2,K3-1,K3-2
179 HC00077 connector(male) 3P 2.5mm 180° CN4
180 HC00324 connect terminal 6.5m/m (PC250) P1
181 MF00014 washer φ3*φ6.5*0.5t
182 SD00077 integrated circuit-RS

L7815CV(TO-220)(ST)(MOROCCO)

IC4
183 SD00079 integrated circuit L7915CV(TO-220)(ST) IC2
184 MI02598 heat-sink A1000.4 21*50*190 0.3kg_V1.3
185 MI03119 heat-sink 21*50*1M+5(1M/1.6KG)_V1.0
186 MK00080 battery cover 0.4*10*12*35mm PM8-PWR_V1.1 Q1,D9,D12,R9,IC4,IC2
187 NI01877 silicone sleeve φ10*28mm T0.45mm
188 NI03044 silicone sleeve φ14*35 T0.45mm
189 MG00041 screw M3*6
190 MF00037 washer φ3.2*φ5.5*1t
191 MF00132 MIC jack φ3*φ8*0.8t_v1.0
192 MF00030 washer φ3.5*φ8*0.8t_V1.0
193 MJ00067 single light board 0.8t*2135*1220mm 18.69kg
194 MG00244 copper pillar M3*10*0.5PH
195 MG00162 screw M3*8
196 CN00036 bead coil T-3.5*1.2*5.2(22-06)
197 NI03545 sleeve φ8*35mm
198 NI00272 sleeve φ8*1000mm
199 AC00179 tin without lead M705E Sn 3Ag-0.5Cu
200 HK04217 PC board P-PM8PWR-SMD
201 HB01384 PCB-RS PM8PWR_VER060523
202 CI00095
203 CI00118
204 AE00449

SMD ceramic capacitor 1206

SMD ceramic capacitor 1812

solder material without lead

0.1uF/50V X7R C14,C16

0.47uF/50V X7R C12,C13

9308/Sn Ag Cu
205 RA00242 fixed resistor 1/4W 10KΩ M type R0
206 HK04594 PC board P-PM8CTL-DIP
207 HC00416 connector 2.54 90° 4P J2
208 HC00417 connector 2.54 90° 10P J1
209 SB00111 Photodiode CNY17-3.300(QTC) U3

- 19 -

No. Part No. Description Specification Remark

210 HK04595 PC board P-PM8CTL-SMD
211 HB01387 PCB PM8CTL(2*5)_VER041015
212 CI00012
213 CI00019
214 CI00026
215 CI00097
216 CI00107
217 CI00120
218 CI00124
219 CI00125

SMD ceramic capacitor 0805

SMD ceramic capacitor 0805

SMD ceramic capacitor 0805

SMD ceramic capacitor 0805

SMD ceramic capacitor 0805

SMD ceramic capacitor 1206

SMD ceramic capacitor 1206

SMD ceramic capacitor 1210

47PF/50V NPO C5

470PF/50V NPO ±5% C11,C12,C18

0.0033uF/50V X7R ±10% C3

0.027uF/50V X7R ±10% C10,C13,C14,C16,C6

270PF/50V NPO ±5% C8

0.068uF/25V X7R 50V±10% C15,C4

0.47uF/25V Y5V-1206(3216) C17

10uF/16V Y5V-1210(3225) C2
220 CL00003 SMD tantalum capacitor 2.2uF/16V case A C1
221 RD00232
222 RD00239
223 RD00507
224 RD00372
225 RD00373
226 RD00374
227 RD00375
228 RD00376
229 RD00377
230 RD00378
231 RD00380
232 RD00383
233 RD00403
234 RD00434

SMD precise resistor 1/8W

SMD precise resistor 1/8W

SMD precise resistor 1/8W

SMD precise resistor 1/8W

SMD precise resistor 1/8W

SMD precise resistor 1/8W

SMD precise resistor 1/8W

SMD precise resistor 1/8W

SMD precise resistor 1/8W

SMD precise resistor 1/8W

SMD precise resistor 1/8W

SMD precise resistor 1/8W

SMD precise resistor 1/8W

SMD precise resistor 1/8W

2.20KΩ ±1% 0805 R12

24.0KΩ ±1% 0805 R13

4.30Ω ±1% 0805 R15

10.7Ω ±1% 0805 R16

47.0Ω ±1% 0805 R2

68.0Ω ±1% 0805 R1,R5

75.0Ω ±1% 0805 R18

150Ω ±1% 0805 R7

180Ω ±1% 0805 R14,R17

1.00KΩ ±1% 0805 R19,R20,R3,R4

10.0KΩ ±1% 0805 R8,R11

27.0KΩ ±1% 0805 R9,R10

100KΩ ±1% 0805 R23

19.6KΩ ±1% 0805 R22,R6
235 SE00011 SMD rectifier diode RLS4148 0.5A (LL-34) D1
236 SE00032 SMD diode SS14 D2,D3
237 SE00033 SMD rectifier diode BAS85(S0D80DC) D4
238 SG00124 SMD integrated circuit UC39432BD U2
239 SG00181 SMD integrated circuit UCC35701D(TI) U1
240 RF00005 SMD semi-fixed resistor 20K 3314J-1-203E VR1
241 AE00449
242 AC00179 tin without lead M705E Sn 3Ag-0.5Cu

solder material without lead

9308/Sn Ag Cu

243 MK00122 spring piece 1.2t*17*16*21(ML000007)_V1.1 D1,M2
244 SB00110 transistor STW9NB80 M2
245 NC00852 mica-RS 25*40mm
246 HK05978 PC board P-D100W-2-DIP(A400.4)
247 CB00021 electrolytic capacitor 10uF/16V φ4*5mm C20,C22,C14,C15
248 CB00162 electrolytic capacitor 100uF/35V 105°C TL φ8*11mm C105,C106
249 CB00164 electrolytic capacitor

2200uF/35V 105°C TL φ16*32mm

C23,C24
250 CF00042 metal-film capacitor MSC 0.47uF/63V 5% CASE02 C18,C21
251 CN00045 fixed inductance TWLC-220K L3,L4,L10,L11

- 20 -

No. Part No. Description Specification Remark

252 CN00069
253 ME00015 color nut 3m/m
254 MF00132 MIC jack φ3*φ8*0.8t_v1.0
255 MF00030 washer φ3.5*φ8*0.8t_V1.0
256 MJ00067 single light board 0.8t*2135*1220mm 18.69kg
257 MF00037 washer φ3.2*φ5.5*1t
258 MG00357 screw M3*18
259 MI02112 heat sink 66*24*8mm D100W-2_V1.0
260 NI02597 knob 3M#1350Y 10mm*66M
261 NC00027 mica ADP 69*19*0.1t_V1.1

inductance-EMI SUPPRESSOR

TB36-13-850485 L1,L2

262 HC00324 connect terminal 6.5m/m (PC250) TE1,TE2,TE6,TE7
263 MG00461 copper pillar M3*7.3*0.5PH
264 SD00257 integrated circuit ADU27_V1.1 U8
265 SD00148 integrated circuit TDA8927J/N1
266 CN00149 inductance WB0610-3.0T L5,L6
267 HK04125 PC board P-D100W-2-SMD
268 HB01240 PCB D100W-2(2*2)_VER051104
269 CI00141
270 CI00042
271 CI00045
272 CI00134
273 CI00136
274 CI00138
275 RD00245
276 RD00249
277 RD00417
278 RD00429
279 RD00433

SMD ceramic capacitor 1206

SMD ceramic capacitor 1206

SMD ceramic capacitor 1206

SMD ceramic capacitor 1206

SMD ceramic capacitor 1206

SMD ceramic capacitor 1206

SMD precise resistor 1/4W

SMD precise resistor 1/4W

SMD precise resistor 1/4W

SMD precise resistor 1/4W

SMD precise resistor 1/4W

0.0027uF/50V X7R ±10% C151,C152

0.001uF/50V NPO C59,C62,C64,C110,C111

0.022uF/50V X7R ±5% C40,C41

0.01uF/50V NPO ±5% C13,C1,C2
560PF/50V NPO ±5% C28,C29,C30,C32,C33,C3

0.22uF/50V X7R ±10% C34,C48,C49,C50,C56

1.00KΩ ±1% 1206 R28

5.60KΩ ±1% 1206 R2,R3,R26,R27

27.0KΩ ±1% 1206 R31

5.60Ω ±1% 1206 R39,R40,R41,R42

56.0KΩ ±1% 1206 R1
280 SE00017 SMD zener diode 1/2W 5.6V(RLZ5.6B) LL-34 D8
281 SG00293 integrated circuit ADU29_V1.1 U6
282 SG00150 SMD integrated circuit TDA8929T

283 CI00154

284 AE00449

SMD ceramic capacitor 1206

solder material without lead

0.1uF/100V X7R ±10%

9308/Sn Ag Cu

285 AC00179 tin without lead M705E Sn 3Ag-0.5Cu

C6,C55,C5,C7,C60,C61,C8,C1
0,C45,C47

286 CF00031 metal-film capacitor 0.1uF/100V C31,C16,C4,C55,C6
287 RA00184 fixed resistor 1/4W 100Ω M type R63,R64
288 RA00173 fixed resistor 1/4W 47Ω F type R65,R66,R68,R70
289 HC00077 connector(male) 3P 2.5mm 180° CN1
290 NF02317 user manual A400.4 ALTO_V1.1
291 NH00149 paper 889*640mm
292 NB04286 gift carton A400.4 ALTO_V1.1

- 21 -

No. Part No. Description Specification Remark

293 NE14965 label A400.4_V1.0
294 NI00014 membrane 0.035*1M
295 NH00012 bond paper 0.04*1M
296 MD00608 protective cover 32*32mm
297 MG00031 screw M4*12
298 MG00243 copper pillar M3*5*0.5PH
299 HA02522 wire
300 HE00043 fan
301 HI00289 thermal switch

2P 120mm UL1007 28AWG red black

DC12V/0.12A 40*40*15mm 330mm JST2P

NO55℃ U-A

302 HK04933 PC board A SERIES CONNECT(500.2)
303 HB01378 PCB

A SERIES CONNECT PCB VER060112

304 AC00179 tin without lead M705E Sn 3Ag-0.5Cu
305 RA00111 fixed resistor 1/2W 51Ω M type
306 HC00076 connector(male) 2P 2.5mm 180° CN3,CN4,CN5
307 HC00077 connector(male) 3P 2.5mm 180° CN1,CN2
308 CB00064 electrolytic capacitor 470uF/16V φ10*12mm C1
309 MG00161 screw M3*6
310 MG00027 screw M3*12
311 HA03501 single terminal wiring 300mm UL1015 18AWG red
312 HA02911 wire

3P-3P 200mm UL2547 28AWG brown

313 HA00370 wire 80mm black L5R5
314 HA03724 wire 90mm UL1015 18AWG
315 NB04632 cushion A400.4_V1.0
316 NB04631 carton A400.4 ALTO_V1.0

- 22 -