alto-professional Alto Professional A500.2 Alto A500.2 Power Amp Service Manual

MODEL: A500.2

www.altoproaudio.com

Version 1.0

CONTENT

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

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

3. Schematic Diagram...............................................................................3

4. Wiring Diagram......................................................................................9

5. Printed Circuit Board.........................................................................10

6. Exploded View & Mechanical Parts List.......................................11

7. Electrical Parts List............................................................................13

1. Introduction

˙ 1.5U 1/2 rack, stereo 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.
˙ 2×480 Watts on 4 ohms (EIAJ)
˙ Balanced XLR inputs and 1/4”TRS jack to ensure noiseless long wiring.
˙ Neutrik Speak-on connectors for 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

A500.2 DRAGONFLY

260W

480W

245W (at THD 1%)

+3dBu

FRONT: Power switch, CH1 & CH2 LEVEL knobs

REAR: CH1 & CH2 LIMITER

Power-On: Green LED

Clip: Red LED

Limit: Yellow LED

Signal: Green LED

Input: COMBO connector

Output: NEUTRIK Speak-on connector

Power Supply

Dimension

Net Weight

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

314W x 208.5D x 66.6H mm / 12.4" x 8.2" x 2.6"

3.85 kg (8.49lb)

- 2 -

3. Schematic Diagram

D

8

C

CLIP

SIG

R22

30R

SIG

CLIP

R23

30R

B

A

7654321

CN4

C11

LED5

C13

R26

56pF/50 cer

1

2

CON2

GND1

R6

10K

56pF/50 cer

R5

CH1-OUT

U2

GR

R15

82K

VTL5C2

10K

270R

LIMITER

1

3

2

R25

10K

41

7

5

6

LED2

RED

R21

82R

R19

180R

123

CN8

LED1

YEL

GND1-1GND1

12345

CN7

U5:1

NJM4580L

R27

10K

GND1

CN3

2 3

U1:2

NJM4580L

C12

56pF/50 cer

R9

10K

GND1

LED6

GND1-1

4

CON4

CON5

C14

R29

82K

56pF/50 cer

12345

CON5

U4

VTL5C2

R14

10K

10K

R12

GR

R17

270R

LIMITER

7

5

6

R28

10K

41

7

5

6

LED4

RED

R24

82R

GND1-1

R20

180R

LED3

YEL

U5:2

NJM4580L

R30

10K

GND1

1

2

CN5

CON2

GND1

123

CN6

2 3

CH2-OUT

U3:2

NJM4580L

R13

10K

GND1

+15V1

84

CON3

-15V1

GND1

C21

10u/25V

C22

10u/25V

U5:3

NJM4580L

C19

104P

C20

104P

GND1

VR1

A100K

C9

47uF/25V

1

C6

100pF/50 cer

R4

R1

C1

22uF/50V

D

10K

2

15K

CN1

U1:1

3

R2

15K

123

NJM4580L

R3

C2

CON3

22uF/50V

10K

C5

CH1-IN

CH1 GAIN

C7

GND1

GND1

100pF/50 cer

GND1

C10

47uF/25V

1

100pF/50 cer

R8

10K

2

R7

15K

C3

22uF/50V

CN2

C

VR2

U3:1

NJM4580L

R11

10K

3

C8

R10

15K

C4

22uF/50V

123

CON3

CH2-IN

A100K

100pF/50 cer

GND1

GND1

GND1

GND1

CH2 GAIN

B

84

U3:3

NJM4580L

C17

104P

C18

84

U1:3

NJM4580L

C15

104P

C16

104P

104P

1 2 3 4 5 6 78

A

- 3 -

D

4

321

C

B

A

X1X2X3

CN1

CN5

12345

CN9

1

2

123

CON3

SW1: 1

SW1: 2

6

CN-BAL-COMBI

3

SW PS-22E85L

4

5

6

P

SW PS-22E85L

CH1

CON4

4

5

6

SW3: 2

1

SW3: 1

P

SW PS-22E85L

2

3

X1X2X3

SW PS-22E85L

CN2

CN6

12345

123

CON3

6

CN-BAL-COMBI

CH2

123

4

1 2 34

D

C

B

A

- 4 -

D

4

321

C

B

A

4

CN1

1

1

2

CN5

CON2

CN6

CH1_SP+

CN-SP

2-

1+

2+

1-

2

2

3

1

CON2

CH1_SP-

1

2

CN7

CH2_SP+

1

CON2

4

CN2

CN8

CN-SP

2-

1+

2+

1-

2

2

3

1

CON2

CH2_SP-

1 2 34

D

C

B

A

- 5 -

7654321

8

+25C

10

GND

11

GND

L1

L2

ferrite bead

U6

4

IN1-

5

IN1+

2

SGND1

7

OSC

6

MODE

SGND2

8

IN2+

9

IN2-

TDA8929

C105

100U/35V LOW ESR

+25C

GND

-25C

C106

100U/35V LOW ESR

DIATEMP

12

-25C

VDD13VDD2

SW1

REL1
ENA1

DIACUR
STABEX

STABINT

ENA2

REL2

SW2

VSS11VSS2

100N/100V

FB1

FB2

C46

20

24
23

21
22

15
18
19

16

14

13
17

C45
100N/100V

100N/100V

-25C

C47

C48

220N

GND

GND

C8
100N/100V

C9
100N/100V

C10
100N/100V

C59

1N

TE2

D

C

B

TE3
+VCC

TE4
GND

TE5

-VCC

GND

AF IN

L7

WB0610-3.0T

C1

100N/100V

C2
100N/100V

L8

WB0610-3.0T

TE1

-25C

C11

100N/100V

C12
100N/100V

C20

10U/16V

C22

10U/16V

R31
27K

MUTE

C23

2200U/35V

C24

2200U/35V

C34

220N

R26
5K60

R27
5K60

C28
560P

+25

ferrite bead

C14

2200U/35V LOW ESR

C15

2200U/35V LOW ESR

-25

fbla

sla

rla
ela

dia1

-25C

C3

GND CASE

10N(NPO)

-25

-25

R28 1K0

R35

1K0

C49
220N

C54

220N

+25

13

17

SW2

16

REL2

14

ENA2

9

VSTAB

15

POWUP

3

DIAG

4

ENA1

2

REL1

1

SW1

U9

17

SW2

16

REL2

14

ENA2

9

VSTAB

15

POWUP

3

DIAG

4

ENA1

2

REL1

1

SW1

TDA8927

BOOT2

VDD15VDD2

OUT2

OUT1

BOOT1

VSS18VSS2

U8

TDA8927

10

-25

+25

13

BOOT2

VDD15VDD2

OUT2

OUT1

BOOT1

VSS18VSS2

10

-25

C43

22N

12

11

7

6

C42
22N

12

11

7

6

C40
22N

C41
22N

+25 -25

C29
560P

R39

5R60

R41
5R60

C32

560P

+25 -25

+25 -25

C36
560P

R43
5R60

R44
5R60

C37
560P

+25 -25

C30
560P

R40
5R60

TWKC-22UH

TWKC-22UH
R42
5R60

C33
560P

C38
560P

R45
5R60

L5

TWKC-22UH

L6

TWKC-22UH

R46
5R60

C39

560P

GND GND

C151

C18

2N7 COG

470N MKT

R63
100R

L3

L4

L10

TWKC-22UH

Modify R65 22R/2W 20051213

L11

TWKC-22UH

R64
100R

C152
2N7 COG

GND GND

GND

C153
2N7 COG

C26

R29

470N MKT

100R

L12

TWKC-22UH

L13

Modify R70 22R/2W 20051213

TWKC-22UH

R30
100R

C27

470N MKT
C154
2N7 COG

GND GND GND CASE

R68

REMOVE 20051213

47R0

R65

22R/2W

C21
470N MKT

GND CASE

C50

0.1uF/100V

GND

GND

100N/100V

R66

REMOVE 20051213

47R0

C62

1N(NPO)

GND

R70
22R/2W

C64

1N(NPO)

C56

TE11

-OUT

R72
390/2W

ADD 20051213

C110
1N(NPO)

R71
390/2W

ADD 20051213

TE13

+OUT

C111
1N(NPO)

D

C

B

MUTE

+25C

GND

R1
56K

D8
ZD5.6

A

GND

C5

100N/100V

+25

C6

100N/100V

A

-25

C7

100N/100V

GND

C71
100N/100V

C72
100N/100V

C73
100N/100V

C60
100N/100V

C55

100N/100V

C61

100N/100V

C16

100N/100V

C63

100N/100V

C31

100N/100V

C44

100N/100V

C4

100N/100V

REMOVE 20051213

1 2 3 4 5 6 78

- 6 -

D

C

B

A

V27NF

8

7654321

P2

C13

C24

L6

1uH/12A

V27NFB

C23

C22

17

L4E

16 14

D12B

V27N

GND

P3

470N

2200U/25V

2200U/25V

2200U/25V

P

C12

470N

C21

2200U/25V

L5

1uH/12A

C20

2200U/25V

V27NY

C19

2200U/25V

1315

L4B

GND

LF20_13EED

L4D

9 11

L4C

LF20_13EED

LF20_13EED

12 10

30CPQ150

D9B

30CPQ150

24

L4A

LF20_13EED

LF20_13EED

P

1234567

K2

V27N

123

CN4

GND

V15N

V15A

V15A

GND

C16

100N

C30

100U/25V

8

CON8

GND

V27NF

CON3

V15N

R10

2K2

C14

100N

C26

100U/25V

D5

GR

1234567

K3

8

CON8

P1

C11

R6

PWR_LED

R17

P

D12A

30CPQ150

470P/500V

T2

D4

270RR5270R

1

2

CN1

51K

R18

C3

2N2/400V

C2

2N2/400V

C39

2N2/400V

C38

2N2/400V

D9A

30CPQ150

C10

470P/500V

C41

R9

10R/30W

12

234

1

1N4148

CON2

51K

L2

D1

KBU8M

100N

8

10

131415

5

R13

150K

R14

150K

C7

470U/200V

C37

470U/200V

1uH/12A

L3

1uH/12A

C8

470U/200V

C36

470U/200V

17

7

TF20_13EED

M2

STW9N K90Z

1

2

T1

PE67100

3

4

R3

150K

R4

845K

R1

845K

D7

Q2

R8

6R80

D8

BYV27- 150

C6

100U/25V

IC1

L7812CV

C5

100N

BZT03-C16

D2

BYV27- 150

C4

BC640

1

S1

330U/25V

2

CON2

R15

1R8

IC4

7815

C25

100N

C47

180U/25V

R20

12R/10W

V27NF

V27NY

V27N

R11

75R0

R12

150R

IC2

7915

C48

100N

C9

180U/25V

R21

12R/10W

V27N

C1

R2

Q1

BT139

A2A1

G

AC_INPUT

D

100N/275V

NTC_B57237

V27NFB

GND

VAR1

275V

L1

TL25-050-182

4

2

3

1

1

2

K1

CON2

K4

J1

1

2

CON2

C

123456789

AC_SEL

10

CON10

PMPWRCTL_BOARD

V27NF

123

4

J2

CON4

B

A

1 2 3 4 5 6 78

- 7 -

D

C

B

A

CURR

OUT

C2

10U/50V

4

R13

24K

D2

TMBYV 10-40

D3

TMBYV 10-40

VCC1

3

4

VCC

OUT

VFWD

10K

VREF

12

R12

470P_NPO

2K2

VFWD

D4

321

U1

6

BAS85

27K

C12

R9

R8

CURR/10

D1

1N414BS

R16

10R7

R14

180R

2

ILIM

FEEDBK

8

R23

C1

2.2U/35V

C13

R2

47R0

27N

R15

14

100K

4R30

C11

SOFTST

R15----4R30

050111 modify

470P_NPO

C10

27N

1

COUNT

ISET9RAMP10FREQ

7

13

5

GND

PGND

SLOPE

11

R10

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

- 8 -

4. Wiring Diagram

- 9 -

PCB:PM8PWR BOTTOM LAYER BOTTOM OVERLAY BOTTOM SOLDER

PCB:PM8PWR TOP LAYER TOP OVERLAY TOP SOLDER

PCB:D300W 
BOTTOM LAYER
BOTTOM OLDER



TOP LAYER 

TOP OVER:AY

TOP SOLDER

PCB:A2-FP

BOTTOM LAYER

BOTTOM SOLDER

PCB:A2-FP

TOP LAYER TOP OVERLAY

TOP SOLDER

PCB:A2-LED TOP OVERLAY

PCB:A2-LED

BOTTOM LAYER 

BOTTOM SOLDER

PCB:A2-IN BOTTOM LAYER BOTTOM SOLDER

PCB:A2-IN TOP OVERLAY

PCB:PM8CTL

BOTTOM LAYER

BOTTOM SOLDER

PCB:PM8CTL

TOP LAYER

TOP OVERLAY

TOP SOLDER

PCB:A2-OUT TOP OVERLAY

PCB:A2-OUT BOTTOM LAYER 

BOTTOM SOLDER

5. Printed Circuit Board

- 10 -

6. Exploded View & Mechanical Parts List

- 11 -

Part List

Mechanical Parts List

No. Item NO. Item Description Specification pcs

1 MJ00476 cushion

A500.2 top_V1.0

1
2 MC00476 top cover A500.2 bottom_V1.0 1
3 MI02593 front panel A1000.4 right_V1.0 1
4 MI02595 front panel A1000.4 left_V1.0 1
5 MB03849 rear chassis 208.5*64.8*308 1
6 MA00813 panel 205.5*63.6*12 1
7 MC00675 top cover A500.2 DRAGONFLY_V1.0 1
8 MI02588 barrier A500.2 210*90*31.8_V1.0 1
9 NI03389 net

10 MG00578 Ni screw

A500.2 96*61.6*5t_V1.0

M3*10*0.5PH_V1.0

1

4

11 HK04930 K-PC board P-A2FP-DIP 1
12 MG00251 copper pillar M3*17.5*0.5PH 4
13 MG00041 black plated screw-pill M3*6 4
14 HI00031 power switch R415KKETOF 1
15 HC00423
16 MG00042

AC socket (FUSE socket enclosed)

black plated screw-pan head

6A power supply filter with EMI 1
M3*10 6

17 MG00025

black plated screw-pan head

M3*6 26
18 MG00061 black plated screw-pill M3*10 4
19 MG00162 Ni screw-pill M3*8 14
20 MF00037 spring washer
21 MF00014 shake proof washer

φ3*φ5*1t

φ3*φ6.5*0.5t

25

6
22 NI00498 self-adhesive cushion 12.7*7*6mm(SF-005) 4
23 MJ00942 fixed bracket CS12/600 2
24 MG00247 copper pillar M3*10*0.5PH 5
25 HK04933 K-PC board P-A2OUT 1
26 HK04929 K-PC board P-A2IN 1
27 HK04669 K-PC board P-D300W-DIP(A500.2) 2
28 HK04932 K-PC board P-A2LED 1
29 HK04928 K-PC board P-PM8PWR-DIP(A500.2) 1
30 ME00015 nut 3mm 13
31 MK00081 spring piece-black plated 0.4*12*13*28.5mm 4
32 MF00030 Ni washer

φ3*φ8*0.8t

16
33 MG00163 Ni screw M3*8 8
34 MG00281 Ni screw M3*6 2
35 MK00080 stator-black plated 0.4*10*12*35mm 4

- 12 -

7. Electrical Parts List

No. Part No. Description Specification Remark

1 SA00052 L.E.D φ3 round(green)long foot 26
2 NI00498 self-adhere foot cushion 12.7*7*6mm(SF-005)
3 NI00360 knob φ15*15mm
4 NI00262 sleeve φ5*25mm
5 NI00258 sleeve φ5*1000mm
6 NI00218 cable tie ALT-102SB
7 NI00222 sleeve φ1.5*30mm
8 NI00221 sleeve 1.5φ*1000mm

9 NF02069 instruction A500.2 ALTO_V1.4
10 NH00149 paper 889*640mm
11 NI03389 net A500.2 96*61.6*5t_V1.0
12 NI01863 key-RS φ5.5*W10*7.5
13 NI01862 key 5.5*5.5*14.5_V1.1
14 NE11347 label ALTO PI
15 NH00334 cone paper 0.040*1m
16 NF00061 assurance card ALTO
17 NB03378 carton A500.2 ALTO_V1.0
18 NB03372 cushion A500.2_V1.0
19 NB03381 gift carton A500.2 ALTO_V1.0
20 ND00148 silicone sleeve φ12*90mm
21 ND00026 silicone sleeve 100*20
22 ND00150 silicone sleeve φ12*150mm
23 ND00026 silicone sleeve 100*20
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 MI02588 barrier A500.2 210*90*31.8_V1.4
28 MJ00057 AL plate-RS 3.0t*2000*1000mm 16.32kg
29 MI02603 front board
30 MI02595 front board A1000.4 left
31 MI02596 front board A1000.4 left_V1.0
32 MI02959 front board 6*40*1M(1M/0.59kg) A500.2_V1.0
33 NA00279 clip-chain bag 0.04t*100*150mm_V1.0
34 NA00123 PE bag 0.04t*580*300mm
35 NA00137 clip-chain bag 5*7
36 MJ00476 cushion A500.2 up_V1.1
37 MJ00477 cushion A500.2 up_V1.2
38 MJ00057 AL plate-RS 3.0t*2000*1000mm 16.32kg
39 MJ00478 cushion A500.2 down_V1.1
40 MJ00479 cushion A500.2 down_V1.2
41 MJ00057 AL plate-RS 3.0t*2000*1000mm 16.32kg
42 MG00025 screw M3*6

A500.2 DRAGONFLY left ALTO_V1.0

- 13 -

No. Part No. Description Specification Remark

43 MG00027 screw M3*12
44 MG00281 screw M3*6
45 MG00041 screw M3*6
46 MG00031 screw M4*12
47 MG00061 screw M3*10
48 MG00161 screw M3*6
49 NE02717 label MADE IN CHINA
50 NH00038 paper 0.115*1M
51 NI00028 membrane 0.110*1M
52 MG00162 screw M3*8
53 MF00037 washer φ3.2*φ5.5*1t
54 MF00038 washer φ4*φ7*1t
55 MF00048 washer φ4*φ8*0.5t
56 ME00016 color nut 4m/m
57 MD00608 protective cover 32*32mm
58 MF00014 washer φ3*φ6.5*0.5t
59 MC00675 top cover A500.2 DRAGONFLY_V1.3
60 MC00671 top cover A500.2
61 MC00670 top cover 1.2t*208.5*308*1.2 A500.2_V1.5
62 MJ00059 single light board 1.2*2135*1220 24.54kg
63 AE00055 solvent solvent
64 AE00060 paint 4534
65 MB03849 chassis A500.2 DRAGONFLY _V1.6
66 MB03843 chassis A500.2
67 MB03844 chassis 1.2t*208.5*64.8*308 A500.2_V1.5
68 MJ00059 single light board 1.2*2135*1220 24.54kg
69 ME00038 iron pillar 6.35*M3*8.4_V1.3
70 ME00001 screw pillar M4*10*0.7PH
71 AE00055 solvent solvent
72 AE00060 paint 4534
73 MH02000 magnet VDGUF-90B
74 MG00578 screw M3*10*0.5PH_V1.0
75 MG00251 copper pillar M3*17.5*0.5PHsingle,length23.5
76 MG00243 copper pillar M3*5*0.5PH
77 MA00813 panel A500.2 DRAGONFLY_V1.1
78 MA00757 panel A500.2
79 MA00760 panel 1.0t*205.5*63.6*12 A500.2_V1.6
80 MJ00058 single light board 1*2135*1220 20.45kg
81 ME00184 iron pillar A200.2 M3*11.2*0.5PH*φ5.8_V1.0
82 AE00055 solvent solvent
83 AE00067 paint 2514
84 HK04932 PC board P-A2LED

- 14 -

No. Part No. Description Specification Remark

85 HB01376 PCB A2-LED(3*3)_VER040917
86 RA00168 fixed resistor 1/4W 30Ω M type R22,R23
87 RA00181 fixed resistor 1/4W 82Ω M type R21,R24
88 RA00191 fixed resistor 1/4W 180Ω M type R19,R20
89 RA00196 fixed resistor 1/4W 270Ω M type R15,R17
90 SA00052 L.E.D φ3 round(green)long foot 26 LED5,LED6
91 SA00053 L.E.D φ3 round(red)long foot 26mm LED2,LED4
92 SA00054 L.E.D 3m/m round(yellow)long foot 26 LED1,LED3
93 HC00067 connector(male) 4P 2.5mm 90° CN8
94 HC00069 connector(male) 5P 2.5mm 90° CN7
95 NI01781 LED spacer support LEDS-8 8mm VR12
96 AC00179 tin without lead M705E Sn 3Ag-0.5Cu VR13
97 HK04930 PC board P-A2FP-DIP VR10
98 CB00143 electrolytic capacitor 10uF/63V φ5*11mm C21,C22
99 CB00029 electrolytic capacitor 22uF/35V φ5*11mm C1,C2,C3,C4

100 CB00039 electrolytic capacitor 47uF/25V φ5*11mm C9,C10
101 HC00076 connector(male) 2P 2.5mm 180° CN4,CN5
102 HC00077 connector(male) 3P 2.5mm 180° CN1,CN2,CN6
103 HC00079 connector(male) 5P 2.5mm 180° CN3
104 RC00209 potentiometer A10KΩ RV110-40E1-225A-A14 VR1,VR2
105 AC00179 tin without lead M705E Sn 3Ag-0.5Cu
106 HK02231 Photodiode

P-photosensitive resistance+φ5LLED

107 RH00020 photosensitive resistance VT90N1

U2,U4

108 SA00201 L.E.D φ5 red(LI3330/A) R223
109 NI02779 sleeve φ9*30mm
110 NI00274 sleeve φ9*1000mm R203,R204,R218,R220,R222
111 HK04931 PC board P-A2FP-SMD R217
112 HB01379 PCB A2-FP(3*3)_VER050512 R216

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

R3,R4,R5,R6,R8,R9,R11,R12,R13,R1
4,R25,R27,R28,R30

114 RD00103 SMD fixed resistor 1/10W 15KΩ ±5% 0603 R1,R2,R7,R10
115 RD00115 SMD fixed resistor 1/10W 82KΩ ±5% 0603 R26,R29
116 CI00056
117 CI00059

SMD ceramic capacitor 0603

SMD ceramic capacitor 0603

56PF/50V NPO ±5% C11,C12,C13,C14
100PF/50V NPO ±5%

C5,C6,C7,C8,C23,C24,C25,C26

118 CI00071

119 CI00075

SMD ceramic capacitor 0603

SMD ceramic capacitor 0603

0.01uF/50V X7R ±10% C27

0.1uF/50V Y5V +80,-20% C15,C16,C17,C18,C19,C20
120 SG00122 SMD integrated circuit NJM4580M-TE3 U1,U3,U5
121 AE00449
122 HI00289 thermal switch

solder material without lead

9308/Sn Ag Cu R154,R155

NO55℃ U-A

123 HJ00006 dessicant 30g
124 HE00043 fan

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

R49,R50,R57,R58

125 HI00031 power switch-RS R415KKETOF R136,R137

- 15 -

No. Part No. Description Specification Remark

126 HC00423 FUSE holder 4A (EMI-power filter) R134,R135

127 HD00018 glass tube fuse

6.3A 250V φ5.2*20mm CCEE/CSA/S/UL/VDE

128 HA01394 row-wire connector wiring 3P-3P 120
129 HA01388 row-wire connector wiring 2P 100

130 HA00861 power cord Europe 3P LT-312+LT-501

R19,R20,R21,R22,R61,R62,R63,R64,
R65,R66,R67,R68,R69,R70

R25,R26,R33,R34,R35,R36,R37,R38,R39,
R40,R41,R42,R205,R206,R207,R209

131 HA00370 wire 80mm black L5R5 R79,R80
132 HA03501 single terminal wiring 300mm UL1015 18AWG red R77,R78
133 HA03503 wire 2P-2P 300mm UL1185 26AWG R152,R153
134 HA03495 wire 4P-4P 500mm UL1007 28AWG R131
135 HA03497 wire 5P-5P 50mm UL1007 28AWG

R1,R2,R3,R4,R5,R6,R7,R8,R9,R10

136 HA03724 wire 90mm UL1015 18AWG R23,R24,R27,R28
137 HA03505 wire 2P-2P 400mm UL1185 26AWG R213
138 HA03498 wire 8P 280mm UL1007 18AWG R129,R130
139 HA02911 wire
140 HA02522 wire

3P-3P 200mm UL2547 28AWG brown

2P 120mm UL1007 28AWG red black

C36,C37,C38,C39,C40,C41

C69,C70
141 HA02763 wire 8P 200mm UL1007 18AWG C76,C77
142 AD00012 twin adhesive 90*120mm_V1.0 C1,C2,C3,C4
143 HA04008 connecter 2.5 3P-3P 500mm UL2547 28AWG blue C32,C33,C34,C35
144 MH02001 magnet VDT17.5X9.5X12.7 C48,C49,C50,C63
145 HA03506 wire 3P-3P 500mm UL2547 28AWG C6,C7,C11,C46
146 NI03787 mount TH-2
147 NE13784 label A500.2_V1.0
148 NI00014 membrane 0.035*1M
149 NH00012 bond paper 0.04*1M

C24,C25,C26,C27,C28,C29,C30,C31

150 HK04669 PC board P-D300W-DIP(A500.2) IC7,IC8,IC15
151 CB00021 electrolytic capacitor 10uF/16V φ4*5mm C20,C22
152 CB00162 electrolytic capacitor 100uF/35V 105°C TL φ8*11mm C105,C106
153 CB00164 electrolytic capacitor 2200uF/35V 105°C TL φ16*32mm C14,C15,C23,C24
154 CF00042 metal-film capacitor MSC 0.47uF/63V 5% CASE02 C18,C21,C26,C27
155 CN00045 fixed inductance TWLC-220K L3,L4,L5,L6,L10,L11,L12,L13
156 CN00069

inductance-EMI SUPPRESSOR

TB36-13-850485 L1,L2
157 HC00324 connect terminal 6.5m/m (PC250) TE11,TE13
158 ME00015 color nut 3m/m
159 MF00132 MIC jack φ3*φ8*0.8t_v1.0

160 MF00030 washer φ3.5*φ8*0.8t_V1.0

J9,J10,J11,J12,J19,J20,J21,J22,J33,J34

161 MJ00067 single light board 0.8t*2135*1220mm 18.69kg

162 MF00037 washer φ3.2*φ5.5*1t
163 MG00357 screw M3*18
164 MG00461 copper pillar M3*7.3*0.5PH

,J35,J36,J52,J53,J78,J80,J81,J84,J85,J
86,J87,J88,J89,J90,J91,J92,J93,J94,J9
6,J97,J98,J99,J100,J101,J102,J103

165 MI01836 heat-sink 65*24*8 PM-12 C29,C31

- 16 -

No. Part No. Description Specification Remark

166 SD00257 integrated circuit ADU27_V1.1 U8,U9
167 SD00148 integrated circuit TDA8927J/N1 CN1,CN3
168 NI02597 knob 3M#1350Y 10mm*66M CN4
169 NC00027 mica ADP 69*19*0.1t_V1.1 CN2
170 AC00179 tin without lead M705E Sn 3Ag-0.5Cu L1,L2

171 HK00494 PC board P-D300W-SMD X3
172 CI00141
173 CI00042
174 CI00045
175 CI00134
176 CI00136
177 CI00138
178 HB01050 PCB D300W(1*4)_VER051213

SMD ceramic capacitor 1206

SMD ceramic capacitor 1206

SMD ceramic capacitor 1206

SMD ceramic capacitor 1206
SMD ceramic capacitor 1206
SMD ceramic capacitor 1206

0.0027uF/50V X7R ±10% C151,C152,C153,C154

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

0.022uF/50V X7R ±5% C40,C41,C42,C43

0.01uF/50V NPO ±5% C3

560PF/50V NPO ±5%

C28,C29,C30,C32,C33,C36,C37,C38,C39

0.22uF/50V X7R ±10% C34,C48,C49,C54

179 RD00132 SMD fixed resistor 1/4W 47Ω ±5% 1206 R65,R66,R68,R70
180 RD00133 SMD fixed resistor 1/4W 100Ω ±5% 1206 R29,R30,R63,R64
181 RD00245
182 RD00249
183 RD00417
184 RD00429
185 RD00433

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

1.00KΩ ±1% 1206 R28,R35

5.60KΩ ±1% 1206 R26,R27

27.0KΩ ±1% 1206 R31

5.60Ω ±1% 1206

R39,R40,R41,R42,R43,R44,R45,R46

56.0KΩ ±1% 1206 R1
186 SE00017 SMD zener diode 1/2W 5.6V(RLZ5.6B) LL-34 D8
187 SG00293 integrated circuit ADU29_V1.1 U6
188 SG00150 SMD integrated circuit TDA8929T
189 CI00154
190 AE00449

SMD ceramic capacitor 1206

solder material without lead

0.1uF/100V X7R ±10% C50,C56

9308/Sn Ag Cu D2,D5
191 CN00149 inductance WB0610-3.0T L7,L8
192 HC00076 connector(male) 2P 2.5mm 180° TE1

C4,C6,C9,C16,C44,C46,C55,C63,C72,C5,

193 CF00031 metal-film capacitor 0.1uF/100V

194 RA00007
195 RA00060

metal-oxide-film resistor 1W

metal-oxide-film resistor 3W

22Ω R65,R70

390Ω RSS P type R71,R72
196 HK04933 PC board A SERIES CONNECT(500.2)
197 HB01378 PCB

A SERIES CONNECT PCB VER060112

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

C7,C60,C61,C71,C73,C8,C10,C45,C47,C
1,C2,C11,C12

J4

199 RA00111 fixed resistor 1/2W 51Ω M type L1
200 HC00076 connector(male) 2P 2.5mm 180° CN3,CN4,CN5
201 HC00077 connector(male) 3P 2.5mm 180° CN1,CN2
202 CB00064 electrolytic capacitor 470uF/16V φ10*12mm C1
203 HK04929 PC board P-A2IN
204 HB01377 PCB A2-IN VER060116 CN2
205 HC00077 connector(male) 3P 2.5mm 180° CN5,CN6
206 HC00078 connector(male) 4P 2.5mm 180° CN9

- 17 -

No. Part No. Description Specification Remark

207 HI00162 push-button switch 2 paragraphs 6p PS-22E8552L SW1,SW3
208 AC00179 tin without lead M705E Sn 3Ag-0.5Cu
209 HC00582 balance MIC jack NCJ6FI-V (NEUTRIK) CN1,CN2
210 HA02189 single terminal wiring 100mm GND
211 CA00034 ceramic capacitor 470PF Y5E C1,C2,C3,C4
212 CN00158

common mode inductance

L-560uH/4A(ADP502) T1,T2
213 HA02779 single terminal wiring 270mm UL1015 18AWG black P4
214 HA02344 single terminal wiring 250mm UL1015 18AWG P3
215 HA03500 single terminal wiring 350mm UL1015 18AWG white P2
216 HA03499 single terminal wiring 350mm UL1015 18AWG black P1
217 HC00442 speaker socket NL4MP (NEUTRIK) CN3,CN4
218 MJ00942 fixed bracket CS12/600 CN3,CN4
219 MJ00061 iron board 1*2135*1220 20.45kg

R1,R10,R11,R12,R2,R3,R4,R5,R6,R7,R8,R9

220 HK04928 PC board P-PM8PWR-DIP(A500.2) R31,R32,R33,R34
221 CB00130 electrolytic capacitor
222 CB00131 electrolytic capacitor
223 CB00132 electrolytic capacitor
224 CB00133 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

C26,C30,C6
C9,C47
C4

C36,C37,C7,C8
225 CB00164 electrolytic capacitor 2200uF/35V 105°C TL φ16*32mm C19,C20,C21,C22,C23,C24
226 CG00056 X2 capacitor 0.47uF/275VAC CX1
227 CG00065 X2-capacitor MPX 1.0uF/275V VDE/UL/CSA CX2
228 CG00028 metal oxide varistors CNR-14D391K C1
229 CG00030 X1/Y2 capacitor 2200PF/400V Y5V ±20% Y2CAP C2,C3,C38,C39,CY1,CY2
230 CG00033 metal oxide varistors B57237-S100-M R2
231 CN00150 common inductance TC2208-15mH/V644 L1
232 CN00151 common inductance TC2208-20mH/V645 L7
233 CH00027 laminated capacitor 0.1uF/100V X7R PH5mm C25,C41,C5,C48,C49
234 CH00028 laminated capacitor 470PF/100V X7R PH5mm C10,C11
235 CN00058 inductance 1UH/12A(CR4F-302817) L2,L3,L5,L6
236 RA00573 precise resistor 1/4W 150KΩ M type R13,R14
237 RA00727 precise resistor 1/8W 75.0Ω M type R11
238 RA00728 precise resistor 1/8W 150Ω M type R12
239 RA00729 precise resistor 1/4W 1.80Ω M type R15
240 RA00730 precise resistor 1/4W 6.80Ω M type R8
241 RA00731 precise resistor 1/4W 270Ω M type R5,R6
242 RA00733 precise resistor 1/4W 845KΩ M type R4,R1
243 RA01440 precise resistor 1/2W 1M Ω R7
244 RA00735 precise resistor 30W 10.0Ω TO-126 MP930-10.0-1% R9
245 SA00004 high speed diode 2A/100V BYV27-200,113 D2,D8
246 SA00007 bridge rectifier 8A KBU-806 comb type D1
247 SA00093 rectifier diode 1N4148 0.5A D4
248 SA00159 rectifier diode 1A/1000V IN4007 D3

- 18 -

No. Part No. Description Specification Remark

249 SA00146 zener diode 3W 16V BZT03-C16 D7
250 SA00147 diode 30A/150V IR30CPQ150 D12,D9
251 SB00056 Bidirectional S.C.R double direct s.c.r Q1
252 SB00109 transistor BC640 Q2
253 SD00066 integrated circuit L7812CV(TO-220)(ST) IC1
254 TC00118 transformer PE-67100 T1
255 TC00203 transformer 4022-369-7449.2 L4
256 TC00202 transformer 27-12-648 T2
257 TC00168 transformer 27-12-648
258 HI00176 thermal switch

OP62/100℃/145mm

259 RA00701 fixed resistor 1/4W 2.2KΩ M type R10
260 RA00870 chassis bracket 5W 12Ω SQM type R20,R21
261 HC00076 connector(male) 2P 2.5mm 180° D5
262 HC00175 connector(male) 4P 3.96mm 180°
263 HC00077 connector(male) 3P 2.5mm 180° CN4
264 MF00014 washer φ3*φ6.5*0.5t C59,C62,C64,C110,C111
265 SD00077 integrated circuit-RS

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

IC4
266 SD00079 integrated circuit L7915CV(TO-220)(ST) IC2
267 MI02598 heat-sink A1000.4 21*50*190 0.3kg_V1.3

C28,C29,C30,C32,C33,C36,C37,C38,C39

268 MI03119 heat-sink 21*50*1M+5(1M/1.6KG)_V1.0 C34,C48,C49,C54
269 MK00080 battery cover 0.4*10*12*35mm PM8-PWR_V1.1 Q1,D9,D12,R9,IC4,IC2
270 NI01877 silicone sleeve φ10*28mm T0.45mm R65,R66,R68,R70
271 NI03044 silicone sleeve φ14*35 T0.45mm R29,R30,R63,R64
272 MG00041 screw M3*6
273 MF00037 washer φ3.2*φ5.5*1t R26,R27
274 MF00132 MIC jack φ3*φ8*0.8t_v1.0 R31
275 MF00030 washer φ3.5*φ8*0.8t_V1.0

R39,R40,R41,R42,R43,R44,R45,R46

276 MJ00067 single light board 0.8t*2135*1220mm 18.69kg R1
277 MG00244 copper pillar M3*10*0.5PH D8
278 MG00162 screw M3*8
279 AC00179 tin without lead M705E Sn 3Ag-0.5Cu
280 HK04217 PC board P-PM8PWR-SMD C50,C56
281 HB01384 PCB-RS PM8PWR_VER060523
282 CI00095
283 CI00118

284 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

4,C6,C9,C16,C44,C46,C55,C63,C72,C5,C

7,C60,C61,C71,C73,C8,C10,C45,C47,C1,

C2,C11,C12

285 CN00036 bead coil T-3.5*1.2*5.2(22-06) R65,R70
286 RA01009 fixed resistor 1W 130K P type R3
287 MK00122 spring piece 1.2t*17*16*21(ML000007)_V1.1 D1,M2
288 SB00182 transistor STW12NK90Z(TO247)/(ST) M2
289 NC00852 mica-RS 25*40mm

- 19 -

No. Part No. Description Specification Remark

290 HK04594 PC board P-PM8CTL-DIP
291 HC00416 connector 2.54 90° 4P J2
292 HC00417 connector 2.54 90° 10P J1
293 SB00111 Photodiode CNY17-3.300(QTC) U3
294 HK04595 PC board P-PM8CTL-SMD
295 HB01387 PCB PM8CTL(2*5)_VER041015
296 CI00012
297 CI00019
298 CI00026
299 CI00097
300 CI00107
301 CI00120
302 CI00124
303 CI00125
304 CL00003
305 RD00232
306 RD00239
307 RD00507
308 RD00372
309 RD00373
310 RD00374
311 RD00375
312 RD00376
313 RD00377
314 RD00378
315 RD00380
316 RD00383
317 RD00403
318 RD00434

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

SMD tantalum capacitor

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

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

2.2uF/16V case A C1

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
319 SE00011 SMD rectifier diode RLS4148 0.5A (LL-34) D1
320 SE00032 SMD diode SS14 D2,D3
321 SE00033 SMD rectifier diode BAS85(S0D80DC) D4
322 SG00124 SMD integrated circuit UC39432BD U2
323 SG00181 SMD integrated circuit UCC35701D(TI) U1
324 RF00005 SMD semi-fixed resistor 20K 3314J-1-203E VR1
325 AE00449
326 AC00179 tin without lead M705E Sn 3Ag-0.5Cu

solder material without lead

9308/Sn Ag Cu

327 RA00242 fixed resistor 1/4W 10KΩ M type R0
328 HC00324 connect terminal 6.5m/m (PC250) P1
329 MG00042 screw M3*10

- 20 -