Alto EQU215 Service Manual Download Page 22

Class

Part No

Description

Specification

Insert location

Remark

PF01651

EQUALIZER

EQU215-MK

 V2_ALTO_230V

0001

MA05526 panel

EQU215-MK

 V2 ALTO_V1.1

0002

MB03379 rear board-RS-ACT

EQU215-MK

_V1.4

0003

MC00578 top cover

EQU231MK

0004

HD00021 glass tube fuse

100mA 250V 

φ

5.2*20mm CSA/S/UL/VDE

0005

TC00006 transformer-RS

PT-12(1215)

0006

MG00042 screw

M3*10

1.fix AC socket

0007

NI00315

power switch button-cambered surface

5*5*9(inner 3.3*3.3)

1.function key

0008

MG00061 screw-RS

M3*10

1.fix MIC jack

0009

HA01835 wire-RS

70mm brown L10R10

0010

HA01174 signle terminal wiring CF:W146

80 green/yellow

0011

MG00172 screw

M4*10

0012

MI02755

separating shade-RS-ACT

EQU131-MK

_V1.0

0013

MF00037 washer

φ

3.2*

φ

5*0.8t

0014

ME00015 color nut

3m/m

0015

HA00861 power cord Europe 3P

LT-312+LT-501

0016

NI00252

sleeve

φ

4*20mm

0017

NI00218

cable tie

ALT-102SB

0018

NI00501

self-adhere foot cushion

12.7*9*3t(SF-004)

0019

NA00137 clip-chain bag

5*7

0020

NA00862 PE bag-RS

0.04t*580*300 mm

0021

HI00026

power switch-RS

RA12KKATOF 2P

1.PWR SW

0022

MG00025 screw-RS

M3*6

1.front panel*7,
rear panel*3

0023

MG00041 screw

M3*6

1.FP*8,POW*4,
PU*6,EQ*4

0024

ME00016 color nut

4m/m

1.fix grounding

0025

MF00038 washer-RS

φ

4*

φ

7*1t

1.fix grounding
& transformer

0026

MF00048 washer-RS

φ

4*

φ

8*0.5t

1.fix grounding

0027

HA02195 wire-RS

3P-3P 120mm UL1015 18AWG

0028

HA01363 wire-RS

3P-3P 420mm UL1015 16AWG

0029

ND00348 dustproof cloth

0.35t*172.8*37mm black 2016B_V1.1

0030

NF00061 assurance card-RS-C

ALTO_V1.1

0031

NE05004 label

ALTO PF_V1.2

0032

NE13266 label

EQU215-MK

_V1.0

0033

NI00002

plastic nut-RS

φ

7/16"*G20/15*4.8

0034

NF01783 instruction English

EQU MK

 SERIES ALTO_V1.2

0035

NB02904 barrier

EQU131-MK

 right_V1.0

0036

NB03092 cushion

EQU131MK 

 _V1.0

0037

NB03062 inner case-RS-CT

EQU215-MK

V2 ALTO_V1.1

0038

NB02088 carton

(1H) ALTO 19"_V1.1

0039

HK04168 PC board-RS

P-EQU215PU-

-DIP

│ ├

0001

RA00209 fixed resistor 1/4W

680

R47,R48,R51,R52

│ ├

0002

RA01413 fixed resistor 1/4W

2.7K

R28

│ ├

0003

CA00015 ceramic capacitor-RS

47PF/50V NPO

C9

│ ├

0004

CA00021 ceramic capacitor-RS

82PF/50V NPO

C11

│ ├

0005

CA00023 ceramic capacitor-RS

100PF/50V SL

C45

│ ├

0006

CA00033 ceramic capacitor-RS

470PF/50V Y5E

C44

│ ├

0007

CC00015 mylar capacitor

0.0056uF/100V 3%

C38,C39

│ ├

0008

CH00053 laminated capacitor

0.1uF/50V Y5V PH5mm

C34,C35

│ ├

0009

SA00098 rectifier diode

1A/400V IN4004

D1

│ ├

0010

SA00124 zener diode

1/2W 12V 12A2

ZD1

│ ├

0011

HI00008

relay

RY-12W-K 12V

RL1

│ ├

0012

HC00112 balance MIC jack

99M-107SP-1-2 90° PUSH

PJ1

│ ├

0013

HC00111 balance MIC jack

99M-108SP1

PJ3

│ ├

0014

HC00108 stereo MIC jack

φ

6.3 stereo LJB0661-6

PJ2,PJ6

│ ├

0015

HC00241 RCA jack-RS

RJ-1081-01-0500A

PJ4,PJ5

│ ├

0016

HC00172 connector(male)

3P 3.96mm 180°

CN3

│ ├

0017

HC00257 connector(male)

6P 2.0mm 180°

CN5,CN7

│ ├

0018

HC00256 connector(male)

5P 2.0mm 180°

CN4,CN2

│ ├

0019

HA03132 wire-RS

5P(male)-5P(female) 350mm UL1007 28AWG

CN1

│ ├

0020

AC00603 lead free soldering bar

S100

│ ├

0021

RA01113 fixed resistor 1/4W

10K

R6

│ ├

0022

HA01918 jump

4mm

J1

│ ├

0023

NI00224

sleeve

φ

1*10mm

│ └

0024

HK04166 PC board

P-EQU215PU-

-SMD

│   ├

0001

RD00214 SMD precise resistor 1/10W

10.0K

 ±1% 0603

R10,R15,R9,R11,R17,R18,R20,R55,R56

9. BOM List

---  20  ---

Summary of Contents for EQU215

Page 1: ...www altoproaudio com Version 1 0 MODEL EQU215 MKII V2 Revised on Jan 2010...

Page 2: ...CONTENTS 1 Introduction 1 2 Specification 2 3 Block Diagram 3 4 Schematic Diagram 4 5 Wiring Diagram 9 6 PCB Layout 10 7 Test Procedure 14 8 Exploded View Mechanical Parts List 18 9 BOM List 20...

Page 3: ...user to use the creativity to obtain nice results in terms of sound characterization The EQU215 MKII V2 Graphic Equalizer Features Constant Q circuitry with a 3 center frequency accuracy Control range...

Page 4: ...alanced XLR and 1 4 TRS Unbalanced RCA Output impedance 600 High pass filter 40Hz 12dB Oct fixed button type Low pass filter 16KHz 12db Oct fixed button type Frequency response 20 Hz to 50kHz at 1 5dB...

Page 5: ...3 Block Diagram 3...

Page 6: ...4 Schematic Diagram 4...

Page 7: ...5...

Page 8: ...6...

Page 9: ...7...

Page 10: ...8...

Page 11: ...Blue Black Red PT 5 Wiring Diagram 9...

Page 12: ...6 PCB Layout 10...

Page 13: ...11...

Page 14: ...12...

Page 15: ...13...

Page 16: ...Connect the output of EQU215 MKII V2 to the input of AP Adjustment according to following procedures 1 Set the potentiometer of 15 band EQ in center set the input level at 0dB all buttons out 2 Turn i...

Page 17: ...sponse is as following 5 Adjust the input level so that the AP output is 0dB press the HI pass button and the frequency response is as following 6 Adjust the input level so that the AP output is 0dB p...

Page 18: ...12 adjust slide buttons to maximum and minimum measure the frequency response independently and the curve shall be as following 8 Turn off the AP input signal and set input level as maximum the AP se...

Page 19: ...is as following the maximum non distortion level is 28dBu 1dB and distortion is 1 10 Now the S N shall be no less than 110dB 11 Connect AP input and output to Channel 2 repeat steps 1 10 12 All slide...

Page 20: ...MODEL No EQU215 MKII V2 8 Exploded View Mechanical Parts List 18...

Page 21: ...2 12 ME00015 multicolored nut 3mm 1 13 MF00038 spring washer 4 7 1t 3 14 MF00048 outer gear washer 4 8 0 5t 3 15 ND00348 non woven cloth 0 35t 172 8 37mm 2016B_V1 0 2 16 NI00002 plastic nut Hex 7 16 G...

Page 22: ...61 assurance card RS C ALTO_V1 1 0031 NE05004 label ALTO PF_V1 2 0032 NE13266 label EQU215 MK _V1 0 0033 NI00002 plastic nut RS 7 16 G20 15 4 8 0034 NF01783 instruction English EQU MK SERIES ALTO_V1 2...

Page 23: ...09 RA01111 fixed resistor 1 4W 100K R16 R19 R21 R22 0010 CB00242 electrolytic capacitor 22uF 35V 5 11mm C1 C2 C3 C4 C5 C6 C8 C13 C40 C41 C46 C19 C22 0011 CB00235 electrolytic capacitor 100uF 25V 6 11m...

Page 24: ...100V 3 C21 C22 C23 0006 CH00018 laminated capacitor 0 1uF 50V Y5V C1 C2 C3 C4 C5 C6 0007 CC00060 mylar capacitor 0 1uF 100V 3 C31 0008 CF00142 metal film capacitor MSC 1 0uF 63V 5 CASE07 C122 0009 CC...

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