Yaesu FT-2400H Technical Supplement page 61

Marked S u rface
DTC 1 44EK (26)
(0301 1 )
47K
C o l l ec t o r
�
Base
RZ
E m i t t e r
47K
DTC1 44EK CIRCUIT DIAGRAM
COLLECTOR(Tr2)
EMITTER(Tr , ) .... .._
BASE( Tr2)
Marked Surface
I M H5 ( H 5 )
(030 1 4)
�
T r !
Em i t t e r ( G N D ) Co l l e c t o r ( O U T )
�
22k
2 2 k
B a s e ( I N )
Em i tt e r ( G N D ) Co l l e c t o r ( O U T )
22k T r2
Base �J N )
22k
IMH5 CIRCUIT D I AGRAM
:
ss
,
NC
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Voo
Marked Surface
TC4S66F (C5)
(03005, 03009)
INTERFACE UNIT CIRCUIT DIAGRAM
Component Notes:
Unless otherwise noted, resistor values are in
ohms, 1;1 0-watt; capacitor values are in µF,
50-WV; {T)-marked capacitors are tantalum
and inductor values are in Henries.
- - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - -
TONE SQL -UN I T
PGR-UN I T
-
(OPT I ON)
J3006 J3007
P00 90 856
P00 90 856
R30SS
• ..,
4 .38V
U00 7 -2
LA6324M
4.48V
Voltage Measurement Conditions:
No optional tone units installed.
O O O O W O O O O O O Ol
< < < < :c:. < < < < < < ai
I>-
Receive: 1 45.02-MHz, 20-dBµ signal injected "
(±
at the Antenna jack with 70% modulation of a
"'
(JJ
1 - kHz tone 3 . 5 kHz deviation), squelch
<
open.
Transmit: 1 000-Hz, 5- mVrms signal injected at
the microphone jack, with 50-W RF output.
(OPT I ON)
v
3.76V
4.51
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4-35