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SERVICE MANUAL
Ver 1.0 2001. 03
SPECIFICATIONS
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
Approx. 55 × 34 × 40 mm (W × H × D)
Dimensions
× 1
× 1
(2
1/4
3/8
(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
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
*2
Maximum input sound pressure level
More than 110 dB
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
*2 1 % wave distortion is present at 1,000 Hz
=2 × 10
-5
(0 dB
Pa)
SPL
Design and specifications are subject to change without
notice.
Sony Corporation
9-927-989-11
2001C0400-1
Audio Entertainment Group
© 2001. 3
General Engineering Dept.
ECM-S930C
inches)
7/8
inches)
5/8
*1
: –43 ±4 dB (7 mV)
SPL
)
SPL
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.
US Model
Canadian Model
E Model
1
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Summary of Contents for Sony ECM-S930C
- Page 1 ECM-S930C SERVICE MANUAL US Model Canadian Model Ver 1.0 2001. 03 E Model SPECIFICATIONS 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.
- Page 2 When the battery becomes weak, the indicator lights dimly or does not light at all. In this case, replace the battery with a new one. (Sony CR2025 lithium battery (not supplied)). To avoid battery wear or leakage, be sure to turn the power off after using the microphone.
- Page 3 ECM-S930C SECTION 2 DISASSEMBLY Note : Follow the disassembly procedure in the numerical order given. 2-1. CASE, UPPER 2-2. AMP BOARD Note : When installing, fit the selection knob and awitch (SW1) Note : When installing, fit the power knob and awitch (SW2)
- Page 4 ECM-S930C SECTION 3 DIAGRAMS 3-1. PRINTED WIRING BOARD AMP BOARD (COMPONENT SIDE) MICROPHONE (DIRECTIVE ANGLE) MICROPHONE CAPSULE(R CH) 120˚ 90˚ CAPSULE(L CH) Q201 Q101 MIC201 MIC101 R201 R101 MINI PLUG (MIC OUT) SW2(POWER) BATTERY CHECK LAMP (11) 1-679-165- AMP BOARD (CONDUCTOR SIDE)
- Page 5 ECM-S930C 3-2. SCHEMATIC DIAGRAM (DIRECTIVE ANGLE) (POWER) (POWER) Note on Printed Wiring Boards: Note on Schematic Diagram: • X : parts extracted from the component side. • All capacitors are in µF unless otherwise noted. pF: µµF • Y : parts extracted from the conductor side.
-
Page 6: Exploded Views
ECM-S930C SECTION 4 EXPLODED VIEWS NOTE: • The mechanical parts with no reference • Accessories and packing materials are given in number in the exploded views are not supplied. the last of this parts list. • Items marked “*” are not stocked since they are seldom required for routine service. -
Page 7: Electrical Parts List
ECM-S930C SECTION 5 ELECTRICAL PARTS LIST NOTE: • Due to standardization, replacements in • Items marked “*” are not stocked since When indicating parts by reference the parts list may be different from the they are seldom required for routine service. - Page 8 ECM-S930C 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...