Sony ECM-DM5P Manuale utente
ECM-DM5P
SERVICE MANUAL
ELECTRET CONDENSER MICROPHONE
SPECIFICATIONS
E Model
Tourist Model
Ver 1.1 2002. 04
9-873-533-02
2002D0200-1
© 2002.04
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
2
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
1
Twist the lead wire show in
arrow direction.
2
Insert the lead wire then return twist.
4
Soldering white lead wire.
5
Screen.
3
Soldering gray
lead wire
to "V" shape
patarn side.
7
Insert the MIC1.
Paying attention as
lead wire isn't niped in.
P1
Lead wire (A32)
Case, microphone
Arm (rear)
Arm (front)
C1
MIC1
OK
MIC1
Arm (front)
Arm (front)
NG
MIC1 MIC1
8
6
Note:
When remove solder front P1,
change the lead wire
(A32) for new one.
MIC1 INSTALLATION
3
SECTION 1
DIAGRAM
[SCHEMATIC DIAGRAM]
ECM-DM5P
MIC1 C1
P1
(MIC) 1000p
S
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.
F
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.
87
MIC1
C1
1
3
4
56
P1
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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