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1

Ver 1.0  2001. 03

SERVICE MANUAL

US Model

Canadian Model

E Model

ECM-S930C

General

Type

Stereo (employing the X-Y stereo system),
electret condenser microphone

Microphone cord

2.2 mm dia. two core-shielded,
OFC (Oxygen-free copper) cord with the
gold-plated L-shaped stereo miniplug
Length: Approx. 30 cm (11 

7/8

 inches)

Dimensions

Approx. 55 

×

 34 

×

 40 mm (W 

×

 H 

×

 D)

(2 

1/4

 

×

 1 

3/8

 

×

 1 

5/8

 inches)

(without the projecting parts)

Mass

Approx. 40 g (1 lb. 4 oz.)
including battery and cord

Supplied accessories

Carrying case (1)

Performance

Frequency response

100 – 15,000 Hz

Directivity

Unidirectional

×

 2 (Directive angle: 90° or 120°) (switchable)

Output impedance

2.2 kilohm ±30 %

Sensitivity

Open circuit output level 

*1

 : –43 ±4 dB (7 mV)

Difference between L and R channel sensitivity:
Less than 3 dB

Power requirements

Lithium battery CR2025
Continuous lasting hours: Approx. 350 hours
Plug-in power

Maximum input sound pressure level 

*2

More than 110 dB

SPL

Dynamic range

More than 84 dB

Operating temperature range

0°C to 40°C (32°F to 104°F)

*1

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

SPL

)

*2

1 % wave distortion is present at 1,000 Hz
(0 dB

SPL

=2 

×

 10

-5

 Pa)

Design and specifications are subject to change without
notice.

SPECIFICATIONS

Sony Corporation

Audio Entertainment Group

General Engineering Dept.

9-927-989-11

2001C0400-1

© 2001. 3

ELECTRET CONDENSER MICROPHONE

Notes on Chip Component Replacement

Never reuse a disconnected chip component.

Notice that the minus side of a tantalum capacitor may be
damaged by heat.

Summary of Contents for ECM-S930C

Page 1: ...lohm 30 Sensitivity Open circuit output level 1 43 4 dB 7 mV Difference between L and R channel sensitivity Less than 3 dB Power requirements Lithium battery CR2025 Continuous lasting hours Approx 350 hours Plug in power Maximum input sound pressure level 2 More than 110 dBSPL Dynamic range More than 84 dB Operating temperature range 0 C to 40 C 32 F to 104 F 1 0 dB 1 V Pa 1 000 Hz 1 Pa 10 µbar 94...

Page 2: ...immediately consult a doctor Wipe the battery with a dry cloth to assure good contact Be sure to observe the correct polarity when installing the battery Do not hold the battery with metallic tweezers Doing so can cause a short circuit WARNING Battery may explode if mistreated Do not recharge disassemble or dispose of in fire 1 2 B 1 2 side pôle lado side pôle lado Lithium battery CR2025 not suppl...

Page 3: ...en installing fit the selection knob and awitch SW1 center position 2 2 AMP BOARD Note When installing fit the power knob and awitch SW2 2 3 HOLDER ASSY SHOE 2 4 case upper 3 claw 1 B 1 7 lid battery case knob selection 4 AMP board grille grille knob power 2 1 2 3 Removal the solder 3 holder assy shoe 2 case lower 1 P 2 6x4 ...

Page 4: ...02 R201 R101 R104 R204 C3 R3 C2 C4 C203 C103 C102 R2 SW1 DIRECTIVE ANGLE 120 90 C201 R203 R1 C1 C101 R103 R102 1 2 D2 D1 SW2 POWER ON OFF D3 ON BATTERY CHECK LAMP MICROPHONE CAPSULE R CH MIC201 Q201 S RED WHT GRY MICROPHONE CAPSULE L CH MIC101 Q101 S RED WHT GRY BLU RED MINI PLUG MIC OUT 1 679 165 11 11 1 679 165 11 11 LITHIUM BATTERY CR 2025 3V ...

Page 5: ...n from Component Side the parts face are indicated Note on Schematic Diagram All capacitors are in µF unless otherwise noted pF µµF 50 WV or less are not indicated except for electrolytics and tantalums All resistors are in Ω and 1 4 W or less unless otherwise specified C panel designation A B Line Power voltage is dc 3 V and fed with regulated dc power supply from battery terminal Voltage is dc w...

Page 6: ...3 224 339 02 SHEET BATTERY 4 1 550 104 33 HOLDER BATTERY 5 3 222 923 01 LID BATTERY CASE 6 3 222 907 01 HINGE 7 3 222 926 01 KNOB SELECTION 8 3 222 921 01 CASE UPPER 9 3 222 927 01 LEVER SELECTION 10 3 686 420 01 SCREW P1 4X2 5 TAPPING 11 3 222 929 01 GRILLE 12 3 222 930 01 SCREEN GRILLE 13 3 222 922 01 CASE LOWER 14 1 790 506 21 CORD MICROPHONE 2 CORE 15 X 3379 657 1 HOLDER ASSY SHOE 16 3 222 925...

Page 7: ... CHIP 0 047uF 10 50V C103 1 163 009 11 CERAMIC CHIP 0 001uF 10 50V C201 1 162 964 11 CERAMIC CHIP 0 001uF 10 50V C202 1 104 760 11 CERAMIC CHIP 0 047uF 10 50V C203 1 163 009 11 CERAMIC CHIP 0 001uF 10 50V DIODE D1 8 719 049 09 DIODE 1SS367 T3SONY D2 8 719 072 95 DIODE 015AZ3 9 X TPL3 D3 8 719 052 72 LED CL 220HR C ON RESISTOR R1 1 216 832 11 METAL CHIP 8 2K 5 1 16W R2 1 216 813 11 METAL CHIP 220 5...

Page 8: ...ISTORY 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 2001 03 New ...

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