SECTION 1
GENERALThis section is extracted
from instruction manual.
ECM-TS125
SERVICE MANUALAEP Model
Ver 1.0 1999. 05
SPECIFICATIONS
1 POWER switch
2 Battery check indicator
When you turn the power on, the battery check indicator lights up
TypeElectret condenser microphoneFrequently responsemomentarily. This is normal. The light tells you that the battery still
DimensionsMicrophone parts:100 � 16,000 Hzhas life. When the battery becomes weak, the indicator lights
11 ´ 26 mm (diameter/length)(7/16 ´ 11/16 in.)DirectivityUnidirectional ´ 2dimly or does not light at all.
Battery box parts:Output impedance3 L-shaped stereo miniplug (gold plated)
40 ´ 16.5 ´ 46 mm (w/h/d)3 kW ?30%4 Battery box
(15/8 ´ 21/32 ´ 113/16 in.)SensitivityOpen circuit output voltage level -42 ?4dBYou can clip the battery box to your tie, lapel or pocket.
MassMicrophone parts (including cord):0 dB=1V/Pa, 1,000 Hz(1Pa=10? bar=94 dBSPL)5 Microphone jack
Approx. 15 g (0.53 oz.)Battery lifeApprox. 100 hours6 L-shaped stereo miniplug (gold plated)
Battery box parts(with Sony lithium battery CR2025(not supplied))7 Battery compartment
(including lithium battery and cord):Maximum sound pressure input level8 Microphone
Approx. 17 g (0.6 oz.)Approx. 110 dBSPL9 Holder clip
CordMicrophone parts:1% wave distortion at 1,000 HzA Interlock the projection of the holder to the groove on the
A 2.2 mm (3/32 in.)OFC litz cord (2 core shielded)(0 dBSPL=2 ´ 10-5Pa)microphone.
3
Length: approx. 1 m (39/8 in.)Operating temperature rangeB This microphone holder allows you to tilt the microphone 45°
Battery box parts:0°C � 40°C (32°F � 104°F)backward or forward.
A 2.2 mm (3/32 in.)OFC litz cord (2 core shielded)
7
Length: approx. 0.3 m (1/8 in.)1Design and specifications are subject to change without notice.
Supplied accessories
Battery box (1)
Holder clip (1)
SAFETY CHECK-OUT
After correcting the original service problem, perform the following
safety checks before releasing the set to the customer.
1.Check the area of your repair for unsoldered or poorly-soldered4.Look for parts which, through functioning, show obvious signs
connections. Check the entire board surface for solder splashesof deterioration. Point them out to the customer and
and bridges.recommend their replacement.
2.Check the interboard wiring to ensure that no wires are5.Check the B+ voltage to see it is at the values specified.
"pinched" or contact high-wattage resistors.6.Flexible Circuit Board Repairing
ELECTRET CONDENSER MICROPHONE3.Look for unauthorized replacement parts, particularlyY Keep the temperature of the soldering iron around 270uC
transistors, that were installed during a previous repairduring repairing.. Point
them out to the customer and recommend their replacement.Y Do not touch the soldering iron on the same conductor of the
circuit board (within 3 times).
Y Be careful not to apply force on the conductor when soldering
MICROFILMor unsoldering.
N 2 N |
ACEC
SONY
