Mc-52Dm - Kenwood TS-2000 Service Manual

MC-52DM (MULTI-FUNCTION MICROPHONE WITH DTMF)
External View
Connector End View
Metal plug (8P)
GND 8
GND (MIC) 7
NC 6
8V DC 5
Adjustment
Item Condition
DTMF [3], [6] key at
output level same time push
1
MIC
2
STBY (PTT)
3
DWN
4
UP
Test equipment / Measurement
–
GND
7 1
6 8 2
8P metal
+ 3
B (8V) 5
4 plug
Parts List
Ref. No. New Parts No.
parts
A02-1982-08
A02-1983-08
E30-3243-08
K29-5101-08
K29-5102-08
K29-5103-08
K29-5104-08
SW3,4 S40-1117-05
SW2 S62-0441-08
SW1 S70-0465-08
T91-0570-08
IC1 LR40872
Q1-3 2SC1623
Specifications
Type .......................................................... Electret capacitor
Power requirement ...................................... 8.0V DC ± 10%
Current drain .................................................... 35mA or less
Dimensions (WxHxD) ................................ 65 x 90 x 30 mm
Weight ................................................. Approx. 180g / 6.3oz
Sensitivity ................. –70dB± 3dB (at 1kHz) (0dB = 1V/µbar)
Adjustment
VR1
–
AF VTVM
+
TS-2000/X
Description
Case (Front)
Case (Rear)
Microphone cord assy (Metal)
Knob (PTT)
Knob (Up, Down)
Key top (20 key)
Knob (Lock)
Tact switch (Up, Down)
Slide switch (Lock)
Tact switch (PTT)
Microphone element
IC
Transistor
2-9/16 x 3-17/32 x 1-13/16 in
Specifications / Remarks
2.4mV± 0.01mV
233