Sony ECM-DM5P User manual

ECM-DM5P

SERVICE MANUAL

ELECTRET CONDENSER MICROPHONE

SPECIFICATIONS

E Model

Tourist Model

Ver 1.1 2002. 04

9-873-533-02

2002D0200-1

Sony Corporation

Personal Audio Company

Published by Sony Engineering Corporation

General

Type Electret condenser microphone

Plug Gold plated miniplug

Power source Plug in power

Dimensions Approx. 10 ×45 mm (dia./h) ( 13 /32 ×113 /16 in.) incl. projecting parts

and controls

Mass Approx. 15 g (l oz)

Supplied accessories Wind screen (1)

Carrying case (1)

Performance

Frequency response 100 – 15,000 Hz

Directivity Unidirectional (mono)

Sensitivity Open circuit output voltage *1 : – 34.0 ± 3.5 dB

Maximum sound pressure level *2

More than 110 dBSPL

Operating temperature range

0°C – 40°C (32°F – 104°F)

*1 0 dB = 1 V/Pa, 1,000 Hz (1 Pa = 10 µbar = 94 dBSPL)

*2 1 % wave distortion is present at 1,000 Hz.

(0 dBSPL = 2 ×10 –5 Pa)

Design and specifications are subject to change without notice.

ECM-DM5P

zUNLEADED SOLDER

Boards requiring use of unleaded solder are printed with the

lead-free mark (LF) indicating the solder contains no lead.

(Caution: Some printed circuit boards may not come printed

with the lead free mark due to their particular size.)

: LEAD FREE MARK

Unleaded solder has the following characteristics.

•Unleaded solder melts at a temperature about 40°C higher

than ordinary solder.

Ordinary soldering irons can be used but the iron tip has to

be applied to the solder joint for a slightly longer time.

Soldering irons using a temperature regulator should be set

to about 350°C.

Caution: The printed pattern (copper foil) may peel away if

the heated tip is applied for too long, so be careful!

•Strong viscosity

Unleaded solder is more viscous (sticky, less prone to

flow) than ordinary solder so use caution not to let solder

bridges occur such as on IC pins, etc.

•Usable with ordinary solder

It is best to use only unleaded solder but unleaded solder

may also be added to ordinary solder.

Notes on chip component replacement

•Never reuse a disconnected chip component.

•Notice that the minus side of a tantalum capacitor may be dam-

aged by heat.

SECTION 1

SERVICING NOTES

Twist the lead wire show in

arrow direction.

Insert the lead wire then return twist.

Soldering white lead wire.

Screen.

Soldering gray

lead wire

to "V" shape

patarn side.

Insert the MIC1.

Paying attention as

lead wire isn't niped in.

Lead wire (A32)

Case, microphone

Arm (rear)

Arm (front)

MIC1

Arm (front)

MIC1 MIC1

Note:

When remove solder front P1,

change the lead wire

(A32) for new one.

MIC1 INSTALLATION

SECTION 1

DIAGRAM

[SCHEMATIC DIAGRAM]

ECM-DM5P

MIC1 C1

(MIC) 1000p

FET1

MIC AMP

Note:

•All capacitors are in µF unless otherwise noted. pF: µµF

50 WV or less are not indicated except for electrolytics

and tantalums.

•A: B+ Line.

•Powervoltageisdc1.5 Vandfedwithregulateddc power

supply from mic plug.

•Voltages are dc with respect to ground under no-signal

conditions.

•Voltagesare taken with a VOM (Input impedance 10 MΩ).

Voltage variations may be noted due to normal produc-

tion tolerances.

•Signal path.

SECTION 2

EXPLODED VIEW

NOTE :

•-XX, -X mean standardized parts, so they

may have some difference from the original

one.

•Items marked “ * ”are not stocked since they

are seldom required for routine service. Some

delay should be anticipated when ordering

these items.

Ref. No. Part No. Description Remark Ref. No. Part No. Description Remark

13-239-684-01 CASE, MICROPHONE

33-241-825-01 SCREEN

43-239-685-01 SCREW, ARM FASTENING

57-623-923-11 WASHER 2.6, NYLON

63-239-683-01 ARM (REAR)

73-240-648-01 WASHER, BENDING

83-239-682-01 ARM (FRONT)

C1 1-163-009-11 CAP,CHIP CERAMIC 1000PF B 2012

MIC1 1-542-342-11 MICROPHONE, ELECTRET CONDENSER

P1 1-815-831-11 PLUG, CHARGE (SMALL TYPE)

*****************************************************

ACCESSORIES

************

2-131-412-03 PORCH, CARRYING

3-240-625-11 MANUAL, INSTRUCTION (ENGLISH, FRENCH,

GERMAN, SPANISH, IATALIAN, PORTUGUESE)

3-241-824-01 SCREEN, WINDOW

•The mechanical parts with no reference

number in the exploded views are not

supplied.

MIC1

ECM-DM5P

REVISION HISTORY

Clicking the version allows you to jump to the revised page.

Also, clicking the version at the upper right on the revised page allows you to jump to the next revised

page.

Ver. Date Description of Revision

1.0 2002.02 New

1.1 2002.04 Addition of Tourist model. (ENG-02013)

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