Terminal Functions - Kenwood TM-2550A Service Manual

PC BOARD VIEWS/TERMINAL FUNCTION TM-2550A/E,2530A
FINAL UNIT (X45-1440- XX) Component side view
-10 : TM-2550A (K1,M1,M3), TM-2550E (T,W)
- a. -11 : TM-2530A (K2,M2,M4)
va °Q1 : M57726(TM-2550A/E)
s M57737(TM~2530A)
Ke}
QD
oO. _
A
N
ee)
Zz :
=
Q
oO.
oc
~
N
N
Zz
) J
| 7 vt
a O
,
O Q1 : M57726 (TM-2550A/E), M57737 (TM-2530A) O2: 2SD1406(Y) O03: 2SA1015(Y) O4—7 : 2SC2458(Y) C1
ee) D1:U15B D2: UM9401 (TM-2550A/E), M|I407 (TM-2530A > M D4,5 : 181587
|
8 ( /E) ( ) D3 [308 D4,5: 18158
TM-2550A/E | X
|
7
TM-2530A | O
se 2SA1015 2SD1406 2SA790 28C2458 DTC124EF O : Used, X : Not used
d A. >
am)
E
- Cc E c
N
E
aC
B
= 4
~ & .
-
s
TERMINAL FUNCTION
: 00 ©
< ¥ Terminal name Terminal function Terminal name Terminal function
ny 4 AL ALERT ME Modem Enable
_ QS 6 AP Audio Power Output MD Modem Data
oO \O Al AF Output MC Modem Clock
uo © A2 AF Input M Meter
T Qo B +13.8V MIC MIC
= a BD Busy Display MO Modulator Out 5
= ] BZ Buzzer . 8M MIC 8V
- 4 CB Common+B NC Non Connection
) O CT Tone Clock RD RX Data
2 CP PLL Clock RA RX Antenna
= 5C + 5V Common RM RF Meter
2 6C + 6V Common SF Standard Frequency
= S 8C + 8V Common ST Stand By oe
e > DB Drive + B SS Stand By SW
= s DT Tone Data Sas Squelch Select
a. « DW MIC Down SW sal Squelch 1
| E 3
DP PLL Data Sa2 Squelch 2 6
Oo un
DM Dimmer SP Speaker .
S =) DO Drive Out SB Switched + B
=
3 Oo ET 'Tone Enable TO Tone
| © oS EP PLL Enable TS Tone SW
| = in E1 Encoder 1 TH Tone Hi
| | lO E2 Encoder 2 TD TX Data
x x HL H|I/LOW TT Touch Tone Signal
- e GND 8T TX +8V
Z =. E LB Lamp + B 8C + 8V Common
> La > LR RX Local UP MIC UP SW
<
<
VS
Voice SW 7
= = )
a. O.
va
"a
rat
ral
37