Kenwood TM-2550A Service Manual

KENWOOD
MU-1,
MB-10,TU-7,
PG-2K,VS-1
M-2000A/E,TM-2530A
144Miiz FM TRANSCEIVER
Photo is TM-2550A.
CONTENTS
CIRCUIT DESCRIPTION
......... 0.0000 ce ae
2 TERMINAL FUNCTIONS
.................0.
37
PARTS LIST... 0... 0. cc eee
16
BLOCK DIAGRAM (TM-2550A, TM-2530A)
...... 38
DISASSEMBLY ........
2... 0.0 c cee eee uaae 30
SCHEMATIC DIAGRAM (TM-2550A, TM-2530A)
.. 39
ADJUSTMENT
1.0.0.0...
0. cee ee
32 SCHEMATIC DIAGRAM (TM-2550E) ...........
40
PC BOARD VIEWS
BLOCK DIAGRAM (TM-2550E)...............
41
MIC AMP. (X59-1000-10)
... 2... .... 00008
36 LEVEL DIAGRAM ...... 0.0.0...
cc eee eee 42
MIC AMP.,S-METER (X59-1010-10)
2.2.2.0... 36
MU-1 (MODEM UNIT)
..............200000-
42
ALERT, VACANT CH. (X59-1020-10)
.. 2.2... 36
MB-10 (MOBILE MOUNT)
..................
43
CENTER DETECTOR (X59-1030-10)
... 2.2...
36 TU-7 (TONE UNIT)
.. 2.2... eee 44
SQUELCH CONTROL ({X59-1040-10)
.. 0.2.00.
36 PG-2K (DC POWER CABLE)
.................
45
COMPOUND UNIT (X60-1280-XX)
. 2.0.0.0.
36 VS-1 (VOICE SYNTHESIZER)..............-.
46
CONTROL UNIT (X53-1440-XX).....0.0..00.
36
PACKING (TM-2550A/E, TM-2530A)
...........
47
PLL UNIT (X50-2030-XX)
.. 2 eee
ee eee 36
SPECIFICATIONS
................
BACK COVER
DISPLAY UNIT (X54-1860-10) 2... ...2.000, 37
FINAL UNIT (X45-1440-XX) 22... 2.000000. 37