Yamaha EMX-66-M Service manual

SERVICE MANUAL

EMX66M

• OPTION RK-88 RACK MOUNT KIT

This document is printed on chlorine free (ECF) paper with soy ink.

PA 011626

EMX66M 20020325-75000 RK88 20020325-2500

CONTENTS

SPECIFICATIONS .............................................................................. 3

PANEL LAYOUT.................................................................................. 7

CIRCUIT BOARD LAYOUT & WIRING

.......................................................................................................... 10

DIMENSIONS ....................................................................................11

BLOCK & LEVEL DIAGRAM............................................................. 12

DISASSEMBLY PROCEDURE ......................................................... 14

LSI PIN DESCRIPTION .................................................................... 20

IC BLOCK DIAGRAM........................................................................ 22

CIRCUIT BOARDS ........................................................................... 23

INSPECTION .................................................................................... 33

OVERALL CIRCUIT DIAGRAM P ARTS LIST

HAMAMATSU, JAPAN

1,387K-2101 Printed in Japan 2002.03

EMX66M

This manual has been provided for the use of authorized Yamaha Retailers and their service personnel. It has been assumed that basic service procedures inherent to the industry, and more specifically Yamaha Products, are already known and understood by the users, and have therefore not been restated.

WARNING: Failure to follow appropriate service and safety procedures when servicing this product may result in per-

IMPORTANT: This presentation or sale of this manual to any individual or firm does not constitute authorization, certifica-

The data provided is believed to be accurate and applicable to the unit(s) indicated on the cover. The research engineering, and service departments of Yamaha are continually striving to improve Yamaha products. Modifications are, therefor, inevitable and changes in specification are subject to change without notice or obligation to retrofit. Should any discrepancy appear to exist, please contact the distributor's Service Division.

WARNING: Static discharges can destroy expensive components. Discharge any static electricity your body may have

IMPORTANT: Turn the unit OFF during disassembly and parts replacement. Recheck all work before you apply power to

The solder used in the production of this product contains LEAD. In addition, other electrical / electronic and / or plastic (where applicable) components may also contain traces of chemicals found by the California Health and Welfare Agency (and possibly other entities) to cause cancer and / or birth defects or other reproductive harm.

DO NOT PLACE SOLDER, ELECTRICAL / ELECTRONIC OR PLASTIC COMPONENTS IN YOUR MOUTH FOR ANY REASON WHAT SO EVER!

Avoid prolonged, unprotected contact between solder and your skin! When soldering, do not inhale solder fumes or expose eyes to solder / flux vapor!

If you come in contact with solder or components located inside the enclosure of this product, wash your hands before handling food.

IMPORTANT NOTICE

sonal injury, destruction of expensive components and failure of the product to per form as specified. For these reasons, we advise all Yamaha product owners that all service required should be performed by an authorized Yamaha Retailer or the appointed service representative.

tion, recognition of any applicable technical capabilities, or establish a principal-agent relationship of any form.

accumulated by grounding yourself to the ground buss in the unit (heavy gauge black wires connect to this buss).

the unit.

WARNING: CHEMICAL CONTENT NOTICE!

IMPORTANT NOTICE FOR THE UNITED KINGDOM

Connecting the Plug and Cord

WARNING: THIS APPARATUS MUST BE EARTHED IMPORTANT: The wires in this main lead are coloured in accor-

dance with the following code: GREEN-AND-YELLOW: EARTH BLUE: NEUTRAL BROWN: LIVE

As the colours of the wires in the main lead of this apparatus may not correspond with the coloured markings identifying the terminals in your plug, proceed as follows: The GREEN-and-YELLOW wire must be connected to the terminal in the plug that is marked with the letter E or the safety earth symbol (or coloured GREEN or GREEN-and-YELLOW). The BLUE wire must be connected to the terminal that is marked with the letter N (or coloured BLACK). The BROWN wire must be connected to the terminal that is marked with the letter L (or coloured RED).

This applies only to products distributed by Yamaha Kemble Music (U. K.) Ltd.

WARNING

Components having special characteristics are marked and must be replaced with parts having specification equal to those originally installed.

2

SPECIFICATIONS

● General specifications

300 W + 300 W/4Ω @0.5% THD at 1 kHz (SPEAKERS OUT A, B)

Maximum output power

Frequency response

Total harmonic distortion

Hum & noise (Average, Rs=150Ω) (with 20 Hz–20 kHz BPF)

Maximum voltage gain

Crosstalk at 1 kHz 65 dB adjacent input, 65 dB input to output

Input channel equalization

Meters 5 POINTS LED METER (–10, –5, 0, +3, +6 dB) (MAIN OUT, MONITOR OUT) Graphic equalizer 7 bands (125, 250, 500, 1 k, 2 k, 4 k, 8 kHz), ±12 dB Maximum (MAIN OUT, MONITOR OUT)

Internal digital effect

Phantom power Limiter Comp. : THD≥0.5% (SPEAKERS OUT)

LIMIT indicators Turns on. : THD≥0.5% (SPEAKERS OUT) Protection Circuit (Power Amp.) POWER Switch on/off Mute, DC Detection, Temp (Heatsink Temp≥90˚C) Foot switch (FC5) DIGITAL EFFECT MUTE : on/off Optional accessories RK-88

Power requirement/Power consumption

Dimensions (WxHxD) 482 x 305 x 328 mm Weight 15 kg Supplied accessories AC power cord, Owner’s Manual

205 W + 205 W/8Ω @0.5% THD at 1 kHz (SPEAKERS OUT A, B) 600 W/8Ω @0.5% THD at 1 kHz (BRIDGE)

20 Hz–20 kHz +1 dB, –3 dB @1 W output into 8Ω (SPEAKERS OUT) 20 Hz–20 kHz +1 dB, –3 dB @+4 dB output into 10 kΩ (MAIN OUT, MONITOR OUT, EFFECT SEND)

Less than 0.5% @20 Hz–20 kHz, 150 W output into 4Ω (SPEAKERS OUT A, B) Less than 0.3% @20 Hz–20 kHz, +14 dB output into 10 kΩ (MAIN OUT, MONITOR OUT, EFFECT OUT)

–124 dB equivalent input noise, –65 dB residual output noise (SPEAKERS OUT) –88 dB residual output noise (MAIN OUT, MONITOR OUT) –79 dB (83 dB S/N)

MAIN OUT, MONITOR OUT –69 dB (73 dB S/N)

MAIN OUT, MONITOR OUT –75 dB (79 dB S/N)

EFFECT SEND –69 dB (73 dB S/N)

EFFECT SEND 88 dB CH IN (Low-Z) to SPEAKERS OUT (CH1–4)

66 dB CH IN (Low-Z) to MAIN OUT, MONITOR OUT (CH1–4) 72 dB CH IN (Low-Z) to EFFECT OUT (CH1–4) 48 dB CH IN (Low-Z) to REC OUT (CH1–4) 56 dB CH IN (Hi-Z) to MAIN OUT, MONITOR OUT (CH1–4) 26 dB AUX IN to MAIN OUT 24 dB 2TR IN to MAIN OUT 66 dB MIC IN to MAIN OUT, MONITOR OUT (CH5•6) 26 dB LINE IN to MAIN OUT, MONITOR OUT (CH5) 46 dB Super Hi-Z IN to MAIN OUT, MONITOR OUT (CH6)

±15 dB Maximum HIGH 10 kHz shelving* MID 2.5 kHz peaking LOW 100 Hz shelving* *Turn over/roll-off frequency of shelving: 3 dB below maximum variable level.

8 programs (VO.ECHO 1, VO.ECHO 2, VO.REVERB 1, VO.REVERB 2, HALL 1, HALL 2, ROOM, PLATE)

+15 V is supplied to electrically balanced inputs for powering condenser microphones via 2.4 kΩ current limiting/isolation resisters.

,

FC5

USA and Canada 120 V AC 60 Hz/250 W Europe 230 V AC 50 Hz/300 W Other 240 V AC 50 Hz/300 W

Master level control at nominal level and all channel level controls at minimum.

Master level control at nominal level and 1 channel level control at nominal level.

All channel level controls at minimum.

1 channel level control at nominal level.

EMX66M

• 0 dB=0.775 Vrms

3

EMX66M

● Input specificaitons

Input connectors PAD

Actual load impedance

Nominal

impedance

Sensitivity

1

Input level

Nominal level

Max. before

cliping

Connector

type

CH INPUT (Low-Z) (CH1–4)

OFF

3 kΩ

50–600Ω Mics

–62 dB (0.616 mV) –50 dB (2.45 mV) –20 dB (77.5 mV)

ON 600Ω Lines –32 dB (19.5 mV) –20 dB (77.5 mV) +10 dB (2.45 V)

CH INPUT (Hi-Z) (CH1–4)

OFF

10 kΩ

50–600Ω Mics

–52 dB (1.95 mV) –40 dB (7.75 mV) –10 dB (245 mV)

ON 600Ω Lines –22 dB (61.6 mV) –10 dB (245 mV) +20 dB (7.75 V)

MIC INPUT (CH5•6) 3 kΩ

50–600Ω Mics

–62 dB (0.616 mV) –50 dB (2.45 mV) –20 dB (77.5 mV)

LINE INPUT (CH5) (1, 2) 10 kΩ 600Ω Lines –22 dB (61.6 mV) –10 dB (245 mV) +20 dB (7.75 V) Super Hi-Z (CH6) (1, 2) 470 kΩ 1 kΩ –42 dB (6.16 mV) –30 dB (24.5 mV) 0 dB (0.775 V) AUX IN 10 kΩ 600Ω Lines –22 dB (61.6 mV) –10 dB (245 mV) +20 dB (7.75 V)

2TR IN (1, 2) 10 kΩ 600Ω Lines –22 dBV (79.4 mV) –10 dBV (316 mV) +17.8 dBV (7.76 V)

1. Sensitivity is the lowest level that can produce an output of +4 dB (1.23 V) or the nominal output level when the unit is set at maximum gain. (All level controls are at maximum position.)

2. Balanced

3. Unbalanced

• 0 dB=0.775 Vrms, 0 dBV=1 Vrms.

● Output specificaitons

XLR-3-31 type

Phone jack

2

(TRS)

XLR-3-31 type

Phone jack Phone jack Phone jack

3

RCA phono

3

jack

2

Output level

Connector type

Output connectors

Actual source

impedance

Nominal

impedance

Nominal Max. before cliping

POWER AMP OUT (1•2) (A, B) 0.1Ω 4/8Ω Speaker 60 W/4Ω (300 W/4Ω) Phone jack BRIDGE OUT 0.1Ω 8Ω Speaker 120 W/8Ω (600 W/8Ω) Phone jack MAIN OUT 600Ω 10 kΩ Lines +4 dB (1.23 V) +20 dB (7.75 V) Phone jack MONITOR OUT 600Ω 10 kΩ Lines +4 dB (1.23 V) +20 dB (7.75 V) Phone jack EFFECT OUT 600Ω 10 kΩ Lines +4 dB (1.23 V) +20 dB (7.75 V) Phone jack REC OUT (1, 2) 600Ω 10 kΩ Lines –10 dBV (316 mV) +10 dBV (3.16 V) RCA phono jack

• All output jacks are unbalanced.

• 0 dB=0.775 Vrms, 0 dBV=1 Vrms.

4

EMX66M

5

EMX66M

6

PANEL LAYOUT

● CONTROL PANEL

1. CONTROL SECTION

• Channel Control

EMX66M

1

HIGH

+15

—15

MID

1

+15

—15

LOW

+15

—15

MONITOR

1

Equalizer (HIGH, MID, LOW)

2

MONITOR control

3

EFFECT control

4

LEVEL control

5

PAD switch (CH1-4)

2

0

+15

EFFECT

3

+15

0

LEVEL

4

10

0

PAD

5

1

• Digital Effect

DIGITAL EFFECT

VOCAL ECHO 1

VOCAL ECHO 2

VOCAL

REVERB 1

VOCAL

REVERB 2

HALL 1

HALL 2

ROOM

PLATE

ON

EFFECT

6

EFFECT select switch

7

ON switch, indicator

6

7

EMX66M

• MAIN

+12

6 0

8

6

12

125 250

0

EFFECT RTN

9

• MONITOR

+12

6 0

14

6

12

125 250

0

10

EFFECT RTN

10

500 1k

GEQ

0

10

AUX IN

MAIN

10

MONITOR

2k 4k 8k

0

2TR IN

11

2k 4k 8k

0

10

2TR IN

➇ Graphic Equalizer

+6

+12

+3

6 0

0

6

12

13

-5

-10

12

10

+12

6 0 6

12

0

MASTER

+6 +3

0

-5

-10

10

18

17

10

0

MASTER

⑨ EFFECT RTN control ➉ AUX IN control

11

2TR IN control

12

MASTER control

13

Peak Level Indicator

14

Graphic Equalizer

15

EFFECT RTN control

16

2TR IN control

17

MASTER control

18

Peak Level Indicator

15

16

• POWER AMP

POWER AMP

LIMITER

19

20

MAIN MAIN

BRIDGE

A

MAIN

MON MAIN

B

• PHANTOM switch, indicator

PHANTOM

21

ON

OFF

• YAMAHA SPEAKER PROCESSING

YAMAHA

SPEAKER

PROCESSING

19

LIMITER indicator

20

POWER AMP select switch

21

PHANTOM ON/OFF switch, indicator

22

ON/OFF switchÅ@

22

8

• POWER switch, indicator

EMX66M

power

ON / OFF

23

2. INPUT/OUTPUT SECTION

Hi-Z

Low-Z

Hi-Z

Low-Z

Hi-Z

Low-Z

Hi-Z

Low-Z

23

POWER ON/OFF switch, indicator

OUT PUT

2

MAIN

2

SEE REAR PANEL CAUTION

6

ON / OFF

EEEngine

MONITOR

5

Super Hi-Z

LINE

1

2

MIC

1

2

MIC

EFFECT OUT

FOOT SW

INPUT TO MAIN

AUX IN

2TR

REC

IN

OUT

1

INPUT terminal (Hi-Z, Low-Z) (CH1-4)

2

INPUT terminal (LINE, MIC, Super Hi-Z) (CH5-6)

3

EFFECT OUT terminal

4

FOOT SW terminal

5

INPUT TO MAIN terminal (AUX IN, 2TR IN)

6

OUTPUT terminal (REC OUT, MAIN, MONITOR)

● REAR PANEL

3

1

2

4

1

SPEAKERS

AC IN

B

BRIDGE

A

2 12 1

1

SPEAKERS terminal

2

AC IN socket

9

EMX66M

CIRCUIT BOARD LAYOUT & WIRING

PWR 1/4

PWR 2/4

MIX66

PWR 3/4

Power T ransformer

PWR 4/4

DSP

10

15P

1

CN101

PWR 2/4

PWR 1/4

3

MIX66

AC INLET

CN104

PWR 3/4

15P

CN902

2P

CN105

CN106

6P

3P

Power T ransformer

4

27P 27P

2

CN901

DC Fan

CN107

CN301

3P

PWR 4/4

POWER ON/OFF

DSP

Location Connector Assembly Remarks Parts No.

1 MIX66-PWR1/4

24185&2426 15P L=700

V842620 2 MIX66-DSP 100mm P=1.25 MF12710 3 PWR1/4-PWR2/4 B&B4P (V827270) 4 PWR3/4-PWR4/4 PSW V827290

DIMENSIONS

● Front View ● Side View

305mm

EMX66M

481.5mm

● Front View with Rack Mount Adaptor

327.6mm

62mm

448.5mm

11

EMX66M

BLOCK & LEVEL DIAGRAM

A

CH INPUT [CH 1-4]

CH INPUT [CH 5]

CH INPUT [CH 6]

INPUT TO MAIN

Low-Z

Hi-Z

MIC

LINE

MIC

Super Hi-Z

AUX IN

2TR IN

MIX66

12

3

2

4

3

1

12

3

2

4

3

1

2

4

3

1

12

3

2

4

3

1

2

4

3

1

2

4

3

1

SW702

2,6

3,5

2

3

2

3

5

3

IC101,301

SW101-401

IC501

IC601

IC603

IC102,302

1,7

1

7

1

IC501

5

IC601

5

7

IC706

IC502

7

IC502

7

IC703

6

7

IC703

2

1

IC704

2

1

IC704

6

7

FOOT SW

21 7

CN901-27PIN

DSP

7

14

CN301-27PIN

CN901-27PIN

14

21

2

4

3

1

12 13

IC306

16 15

CN301-27PIN

20 8

5 6

IC901

6

7

12

A’

EMX66M

A

IC702

IC705

3

REC OUT

9

1,2,3,4,6

IC803,804

1

IC706

2

1

2 4

3

1

SW910

3

MAIN

IC903

1

PWR 1/4

CN902-15PIN

CN101-15PIN

W101RE1

PA

W101RE2

+ +

PWR 2/4

SPEAKERS

1

A

2

BRIDGE

IC705 IC805,806

5

7

IC901

3

1

IC903

5

7

SW701

2

MONITOR

4

3

1

IC802

9

1,2,3,4,6

2

EFFECT OUT

4

3

1

PA

W101BE1

W101BE2

+ +

1

B

2

A’

38CA1-8822111

13

EMX66M

DISASSEMBLY PROCEDURE

1. Front Panel Assembly (Time required: about 3 min)

1-1. Remove the seven (7) screws marked [80] and the

screw marked [90]. (Fig.1)

1-2. Hold volume knobs and pull the panel to the front.

(Fig.1)

1-3. Remove the screw marked [100]. The front panel

assembly can then be removed. (Fig.1)

Body Assembly

Front Panel Assembly

[80]

[90]

(Fig. 1)

[100]

[80]

2. DSP-ZFX Circuit Board (Time required: about 4 min)

2-1. Remove the front panel assembly. (See Procedure 1) 2-2. Remove the two (2) screws marked [160] to

remove the shield case. (Fig.2)

2-3. Remove the four (4) screws marked [130]. The

DSP-ZFX circuit board can then be removed. (Fig.2)

[240]

[80]: Bind Head Screw 4.0X12 MFZN2BL (VB132700) [90]: Bind Head Screw 4.0X20 MFZN2BL (VB403600) [100]: Bind Head Screw A4.0X8 MFZN2BL (VP156800)

[130]

DSP

14

[160] [130]

[130]: Bind Head Tapping Screw-B 3.0X6 MFZN2BL (EP600230) [160]: Bind Head Tapping Screw-B 3.0X6 MFZN2BL (EP600230) [240]: Cord Binder TS-0708 KSS (VZ765100)

(Fig. 2)

3. MIX66 Circuit Board

(Time required: about 18 min)

3-1. Remove the front panel assembly. (See Procedure 1) 3-2. Remove the cable from the cord binder marked

[240]. (Fig.2) 3-3. Remove the shield case. (See Procedure 2-2) 3-4. Pull out the connector assembly from CN301 on

the DSP-ZFX circuit board. (Fig.4) 3-5. Remove the six (6) screws marked [230] to remove

the shield plate. (Fig.3) 3-6. Remove the fifteen (15) screws marked [40], the

thirteen (13) screws marked [41], and the thirteen

(13) hexagonal nuts marked [A]. (Fig.5) 3-7. Remove the eighteen (18) knobs marked [50], eight

(8) knobs marked [60], the nine (9) knobs marked

[70], and the eight (8) knobs marked [80].

The mix66 circuit board can then be removed.

(Fig.5)

Note: When placing the front panel assembly on

the table, take care not to weight the PWR circuit

board 4/4. (Fig.6)

T op Vie w

EMX66M

PullPull

[230]

[50]

(Fig. 3)

[60] [70] [90]

[A] [A][41][41]

[40]: Screw 3X25 MFZNBL (V3289800) [41]: Bonding Tapping Screw-B 3.0X8 MFZN2BL (VN413300) [50]: Knob GREEN/M-GRAY (V6225300) [60]: Knob L-GRAY/M-GRAY (V6225600) [70]: Knob BLUE/M-GRAY (V6225400) [80]: Knob L-GRAY/D-GRAY (V6225700) [90]: Bind Head Screw 3.0X8 MFZN2BL (VB659000)

Bottom View

[230] Head Tapping Screw-B 3.0X6 MFZN2BL (EP600230)

[40] [40] [40] [40] [40]

[70] [60] [80]

(Fig. 5)

DSP

(Fig. 4)

(Fig. 6)

15

EMX66M

4. PWR Circuit Board 4/4 (Time required: about 4 min)

4-1. Remove the front panel assembly. (See Procedure 1) 4-2. Pinch slightly the stopper of the power switch

escutcheon with a plyer, and pull it to the front to remove. (Fig.7-1)

4-3. Remove the two (2) screws marked [90]. (Fig.7-2) 4-4. Remove the power switch knob marked [110]. The

PWR circuit board 4/4 can then be removed. (Fig.7-2)

PushPush

PullPull

PWR 4/4

PushPush

[110]

[90]

(Fig. 7-1)

5. Rear Panel Assembly (Time required: about 2 min)

5-1. Remove the front panel assembly. (See Procedure 1) 5-2. Remove the eight (8) screws marked [60] and the

two (2) screws marked [44]. (Fig.8)

[130]

[60]

(Fig. 7-2)

[90]: Bind Head Screw 3.0X8 MFZN2BL (VB659000)

[110]: Power Switch Knob MX12/4 (VU859000)

[C]

16

[140][150b]

[150a]

[60][44]

[44]

(Fig. 8)

[44]: Bind Head Tapping Screw-B 4.0X8 MFZN2BL (EG340190) [60]: Bind Head Screw 4.0X12 MFZN2BL (VB132700) [130]: Bind Head Screw 4.0X30 MFZN2BL (VT229100) [140]: Bind Head Tapping Screw-B 3.0X12 MFZN2BL (VQ074600) [150]: Bonding Head Tapping Screw-B 3.0X8 MFZN2BL (VN413300)

5-3. Hold the cord holder and pull the rear panel to the

front to remove. (Fig.9)

Note: When reinstalling, install the rear panel assembly and the front panel assembly in that order to connect the power supply connector easily.

Body AssemblyBody Assembly

EMX66M

Pull UpPull Up

Rear Panel AssemblyRear Panel Assembly

(Fig. 9)

6. PWR Circuit Board 2/4

(Time required: about 4 min)

6-1. Remove the rear panel assembly. (See Procedure 5) 6-2. Remove the screw marked [150a] and the five (5)

hexagonal nuts marked [C]. The PWR circuit board 2/4 can then be removed. (Fig.8)

7. PWR Circuit Board 3/4

(Time required: about 3 min)

7-1. Remove the rear panel assembly. (See Procedure 5) 7-2. Remove the two (2) screws marked [140] and the

screw marked [150b]. (Fig.8)

7-3. Remove the screw marked [220]. The PWR circuit

board 3/4 can then be removed. (Fig.10)

Rear Panel Assembly

[220]

(Fig. 10)

[220]: Bind Head Screw A4.0X6 MFZN2BL (VP156800)

17

EMX66M

[90]

8. PWR Circuit Board 1/4 (Time required: about 10 min)

8-1. Remove the rear panel assembly. (See Procedure 5) 8-2.

Remove the PWR circuit board 2/4. (See Procedure 6)

8-3.

Remove the PWR circuit board 3/4. (See Procedure 7)

8-4. Remove the sixteen screws marked [90] to remove

the TR holder A and the TR holder B. (Fig.11)

8-5. Remove the six (6) screws marked [40]. The PWR

circuit board 1/4 can then be removed. (Fig.12)

Upper Side View Bottom Side View

[90][90] [90]

PWR 1/4 PWR 1/4

(Fig. 11)

[90]: Bind Head Tapping Screw-B 3.0X12 MFZN2BL (VQ0746000)

[40] Rear Panel

[90]

18

(Fig. 12)

[40]: Bind Head Screw SP 3.0X8 MFZN2Y (EG330290)

9. Fan (Time required: about 3 min)

[40]

[40][40]

Body Assembly

9-1. Remove the rear panel assembly. (See Procedure 5) 9-2. Remove the two (2) screws marked [130]. The fan

can then be removed. (Fig.8)

10. Power Transformer

(Time required: about 4 min)

10-1. Remove the front panel assembly. (See Procedure 1) 10-2. Remove the bolt marked [D]. The power trans-

former can then be removed. (Fig.13)

Power T ransformer

EMX66M

[D]

11. Front Frame (Time required: about 6 min)

11-1. Remove the front panel assembly. (See Procedure 1) 11-2. Remove the four (4) screws marked [50] to remove

11-3. Remove the ten (10) screws marked [40]. The front

the handle assembly. (Fig.14)

frame can then be removed. (Fig.15)

Body Assembly

Handle

[50] [50]

(Fig. 14)

FRONT VIEW

[50]: Bind Head Screw 4.0X16 MFZN2BL (EG340110)

(Fig. 15)

[40]: Bind Head Tapping Screw-P 4.0X30 MFZN2BL (V8322700)

19

EMX66M

LSI PIN DESCRIPTION

ZFX-2

No.

1 2 3 4 5 6 7 8 9

10

11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52

(XY297A00)

NAME I/O FUNCTION

ED2 ED3 ED4 ED5 ED6 ED7 VSS

VDD CLKM0 CLKM1

TMS

TCK

CLKIN

VSS

VDD

CLKO EA12/ED8 EA13/ED9 EA14/ED10 EA15/ED11

VSS

VDD EA16/ED12 EA17/ED13 EA18/ES14 EA19/ED15 EA4/ED16 EA5/ED17 EA6/ED18 EA7/ED19

VSS

VDD EA8/ED20 EA9/ED21 EA10/ED22 EA11/ED23

TEST0 TEST1 TEST2 TEST3

/BIO

/INT1 ARBC1 ARBC2

AX1 AX2 AX3 VSS

VDD HX/SDA /EMPTY

TDI

I/O I/O I/O I/O I/O I/O

S S

I I

I I I

I S S O

I/O I/O I/O I/O

S S

I/O I/O I/O I/O I/O I/O I/O I/O

S S

I/O I/O I/O I/O

I

I O O O S S

I/O/Z

O/Z

CPU

External Memory and I/O Data Bus

Ground Power Supply Clock Mode

1

CLKM0 CLKM1

TAP(Test Access Port) Mode Select TAP Data Input TAP Clock Master Clock Ground Power Supply Machine Clock Output

External SRAM and ROM Address Bus/ External DRAM and I/O Data Bus

Ground Power Supply

External SRAM and ROM Address Bus/ External DRAM and I/O Data Bus

External Memory Address Bus/ External I/O Data Bus

Ground Power Supply

External Memory Address Bus/ External I/O Data Bus

Test Mode Control

Separate Control Input Interrupt 1 Audio Data Receive Unit 1 bit Clock Audio Data Receive Unit 2 bit Clock Audio Data Transmitt Unit 1 Data Output Audio Data Transmitt Unit 2 Data Output Audio Data Transmitt Unit 3 Data Output Ground Power Supply Host Interface Data Output/I2C Bus Data CMEM Update Buffer and HR Resistor Empty Flag Output

0 0

DSP-ZFX: IC306

NAME I/O FUNCTION

No.

53

AXLR2

54

AR1

55

AR2

56

HRBCK/SA0

HR/SA1

57

HRS/SA2

58

VSS

59

VDD

3

1 0

PLL BYPASS

6

0 1

1 1

60 61

HXBCK/SCL

62

HXS/SA3

63

/CS/SA4

64

HBCKS/SA5 65 66 67 68 69 70

71 72 73 74 75 76 77 78 79

80 81

HDIR/SA6 82

SEL5V3V 83 84 85 86 87 88 89

/RAS/SRCS

90

/CAS/SROE 91

92 93 94 95 96 97 98 99

100

I2CSEL

VSS

VDD AXBC1 AXBC2 AXLR1

DIVS /LAV /LMV

/DRDY

EMU0 EMU1

TDO DIV512 ARLR1

ARLR2

/MUTE

/TRST

/RS VSS VDD /IOE

/ROME

/WE EA0 EA1 EA2 EA3 VSS VDD ED0 ED1

I I

I I I I

S S

I I

I S S

I

I O

O O

O/Z I/O/Z I/O/Z

O/Z

O

I I I

I S S O O

O O

O O O O O S S

I/O I/O

Audio Data Transmitt Unit 2/3 Left and Right Channel Frame Frequency Signal Audio Data Receive Unit 1 Data Input Audio Data Receive Unit 2 Data Input Host Interface Receive Clock / I2C Bus Address 0 Host Interface Data Input/ I2C Bus Address 1 Host Interface Receive Data Frame Frequency Signal/ I2C Bus Address 2 Ground Power Supply Host Interface Transmitt Clock/ I2C Bus Clock Host Interface Transmitt Data Frame Frequency Signal/ I2C Bus Address 3 Host Interface Chip Select/ I2C Bus Address 4 HRBCK/HXBCK Active Edge Select/ I2C Bus Address 5 Host Interface Mode Select Ground Power Supply Audio Data Transmitt Unit 1 bit Clock Audio Data Transmitt Unit 2/3 bit Click Audio Data Transmitt Unit 1 Left and Right Channel Frame Frequency Signal Machine Clock Output then 8 min. Ruch ALU Overflow Frag Output Ruch MAC Overflow Frag Output Host Interface Transmitt Data Ready Frag Output Emurator Interrupt 0 Emurator Interrupt 1 TAP(Test Access Port) Data Output Machine Clock then512 min. Audio Data Receive Unit 1 Left and Right Channel Frame Frequency Signal Audio Data Receive Unit 2 Left and Right Channel Frame Frequency Signal Host Interface Data Format Select/ I2C Bus Address 6 Input Level Control Mute Control TAP(Test Access Port) Reset Hardware Reset Ground Power Supply External I/O Enable External DRAM Low Address Strove/External SRAM Chip Select External DRAM Culumn Address Strove/External SRAM Output Enable External ROM Enable External Memory and I/O Wright Enable

External Memory and I/O Address Bus

Ground Power Supply

External Memory and I/O Data Bus

20

EMX66M

UPD78082GB-XXX (XY296A00) MCU

NAME I/O FUNCTION

No.

1

P12/ANI2

2

P13/ANI3

3

P14/ANI4

4

P15/ANI5

5

P16/ANI6

6

P17/ANI7

7

P72/SCK2/ASCK

8

P71/SO2/TXD

9

P70/SI2/RXD

10

P101/T16/T06

11

P100/T15/T05

12

P50

13

P51

14

P52

15

P53

16

P54

17

VSS

18

P55

19

P56

20

P57

21

P30

22

P31

I/O I/O I/O I/O I/O I/O I/O

I/O I/O I/O I/O I/O

I/O I/O I/O I/O I/O I/O I/O I/O I/O I/O

8 bits input/output port./A/D converter analog input. 8 bits input/output port./A/D converter analog input. 8 bits input/output port./A/D converter analog input. 8 bits input/output port./A/D converter analog input. 8 bits input/output port./A/D converter analog input. 8 bits input/output port./A/D converter analog input. Port 7. 3 bits input/output port./Serial clock input/output of serial interface./Serial clock input for asynchronus serial interface. Port 7. 3 bits input/output port./Serial data output for serial interface./Serial data output for asynchronus serial interface. Port 7. 3 bits input/output port./Serial data input of serial interface./Serial data input for asynchronus serial interface Port 10. 2 bits input/output port./External count clock input to 8 bits timer(TM6)./8 bits timer output. Port 10. 2 bits input/output port./External count clock input to 8 bits timer(TM5)./8 bits timer output. Port 5. 8 bits input/output port. Port 5. 8 bits input/output port. Port 5. 8 bits input/output port. Port 5. 8 bits input/output port. Port 5. 8 bits input/output port. Port 5. 8 bits input/output port. Port 5. 8 bits input/output port. Port 5. 8 bits input/output port. Port 5. 8 bits input/output port. Port 3. 8 bits input/output port. Port 3. 8 bits input/output port.

NAME I/O FUNCTION

No.

23 24 25 26 27 28 29 30 31

32

33

34 35 36 37 38 39 40 41 42 43 44

NC P32 P33 P34

P35/PCL

P36/BUZ

P37 P00

P01/INTP1

P02/INTP2

P03/INTP3

NC

RESET

IC(VPP)

X2

X1

VDD

AVDD

AVREF

AVSS P10/ANI0 P11/ANI1

-

Not connect.

I/O

Port 3. 8 bits input/output port.

I/O

Port 3. 8 bits input/output port.

I/O

Port 3. 8 bits input/output port.

I/O

Port 3. 8 bits input/output port./Clock output.

I/O

Port 3. 8 bits input/output port./Buzzer output.

I/O

Port 3. 8 bits input/output port.

I

Input only

I/O

4 bits input/output port./Effective edge (Rising edge, falling edge, both rising and falling edges) specifiable external interrupt input.

I/O

4 bits input/output port./Effective edge (Rising edge, falling edge, both rising and falling edges) specifiable external interrupt input.

I/O

4 bits input/output port./Effective edge (Rising edge, falling edge, both rising and falling edges) specifiable external interrupt input.

-

Not connect

I

System reset input

-

Internal connect

-

Main system clock oscillator X’tal

I

Main system clock oscillator X’tal

-

Power Supply

-

A/D Converter Analog Power Supply

I

A/D Converter Power Supply Input

-

A/D Converter ground

I/O

8 bits input/output port./A/D converter analog input.

I/O

8 bits input/output port./A/D converter analog input.

DSP-ZFX: IC303

PCM3001E/2K

NAME I/O FUNCTION

No.

1

VINL

2

Vcc1

3

AGND1

4

VREFL

5

VREFR

6

VINR

7

CINPR

8

CINNR

9

CINNL

10

CINPL

11

VCOM

VOUTR

12

AGND2

13

Vcc2

14

(X0053A00)

I

ADC Analog Input, Lch ADC Analog Power Supply ADC Analog GND ADC Reference decouple, Lch ADC Reference Decouple, Rch

I

ADC Analog Input, Rch ADC Anti-areasing Filter Capacitor (+), Rch ADC Anti-areasing Filter Capacitor (-), Rch ADC Anti-areasing Filter Capacitior (-), Lch ADC Anti-areasing Filter Capacitor (+), Rch DAC Center Voltage Decouple

O

DAC Analog Output, Rch DAC Analog GND DAC Analog Power Supply

ADA

NAME I/O FUNCTION

No.

15 16 17 18 19 20 21 22 23 24 25 26 27 28

VOUTL

LRCIN BCKIN

DIN

DOUT

XTI

XTO

CLKIO

VDD

DGND

FMT2

FMT1

FMT0

RSTB

O

DAC Analog Output, Lch

I

Sampling Clock Input (fs)

I

Bit Clock Input

I

Audio Data Input

O

Audio Data Output

I

Crystal Oscillator Input, External System Clock Input

O

Crystal Oscillator Output

I/O

Crystal Oscillator Buffer Output, External System Clock Input Digital Power Supply Digital GND

I

Audio Data Format 2 (Pull up to 70k ohm typical)

I

Audio Data Format 1 (Pull up to 70k ohm typical)

I

Audio Data Format 0 (Pull up to 70k ohm typical)

I

Reset Input, Active "L" (Pull up to 70k ohm typical)

DSP-ZFX: IC305

21

EMX66M

IC BLOCK DIAGRAM

74HCU04DT (XZ110A00)

INVERTER

DSP-ZFX: IC302

11A

2

1Y

3

2A

4

2Y

5

3A

6

3Y

7

SS

V

DD

V

14

6A

13

6Y

12

5A

11

5Y

10

4A

9

4Y

8

TL072CPSR (XV423A00) NJM2068MD-T1 (XJ553A00) NJM4558MT-1 (IG103520)

Dual Operational Amplifier

MIX66: IC101, IC102, IC301, IC302

IC501, IC601, IC603, IC703 IC704, IC705, IC706, IC707 IC807, IC901, IC903

DSP-ZFX: IC304

+DC Voltage

+-

8

7

6

5

Supply Output B

Inverting Input B

Non-Inverting Input B

Output A +V Inverting

Input A

Non-Inverting

Input A

-DC Voltage Supply

1

2

3

4-V

TC74HC138AFEL (XW762A00)

A

B

C

G2A

G2B

G1

Y7 Y5

Y6

16

Vcc

15

Y0

YO

14

Y1

13

Y2

12

Y3

11

Y4

10

Output

Y3

Y4

Y5

9

Y6

3 to 8 Demultiplexer

MIX66: IC902

1

A

Select

Enable

Output

GND

G2A

G2B

2

B

3

C

4

5

6

G1

7

Y7

8

LB1403N (XZ348A00)

LED Driver

MIX66: IC702, IC802

+ + + + +

1D22D33D44

D1

GND5D56Amp

+

7IN8

Output

Constant

Current

Circuit

NJM2060M(TE2)OP (XM560A00)

Quad Operational Amplifier

MIX66: IC803, IC804, IC805, IC806

9

CC

V

22

EMX66M

CIRCUIT BOARDS

CONTENTS

MIX66 CIRCUIT BOARD (COMPONENT SIDE) .................................................................................................24

MIX66 CIRCUIT BOARD (PATTERN SIDE) ........................................................................................................26

DSP CIRCUIT BOARD (COMPONENT SIDE) ....................................................................................................28

DSP CIRCUIT BOARD (PATTERN SIDE) ...........................................................................................................29

PWR 1/4 CIRCUIT BOARD (COMPONENT SIDE) .............................................................................................30

PWR 2/4 CIRCUIT BOARD (COMPONENT SIDE) .............................................................................................32

PWR 3/4 CIRCUIT BOARD (COMPONENT SIDE) .............................................................................................32

PWR 4/4 CIRCUIT BOARD (COMPONENT SIDE) .............................................................................................32

23

EMX66M

N

A

●

MIX66 Circuit Board

A

HIGH

MID

LOW

MONITOR

EFFECT

LEVEL

HIGH

MID

LOW

MONITOR

EFFECT

LEVEL

HIGH

MID

LOW

MONITOR

EFFECT

LEVEL

HIGH

MID

LOW

MONITOR

EFFECT

LEVEL

HIGH

MID

LOW

MONITOR

EFFECT

LEVEL

HIGH

MID

LOW

MONITOR

EFFECT

LEVEL

VOV

VOVA

O

24

PAD

Hi-Z Hi-ZHi-Z Hi-Z

Low-Z Low-Z Low-Z Low-Z MIC MIC

PAD

LINE 1

LINE 2

Super Hi-Z 1

Super Hi-Z 2

A'