Kenwood TKR-851 Service Manual
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Brand: Kenwood
Category: Marine Radio , Radio , Repeater
Type: Service manual for Kenwood TKR-851
Pages: 101
© 2004-5 PRINTED IN JAPAN
B51-8684-00
(
N
)
987
UHF FM REPEATER
TKR-851
SERVICE MANUAL
UHF FM REPEATER TKR-851
Front panel
(A62-0934-03)
Knob (DC source)
(K29-9106-04)
Key top
(K29-5460-02)
Knob (Volume)
(K29-5389-03)
Modular jack
(E08-0877-05)
Antenna cable (N)
(E30-7528-05)
Antenna cable (BNC)
(E30-3418-05)
TEST/SPKR connector assy
(E37-0913-05)
D-sub cable assy
(E37-0904-05)
DC backup terminal
(E70-0402-05)
DC cord (Ext DC in)
(E30-3414-05)
Fuse (Blade, 10A/32V)
(F06-1032-05) x 2
GENERAL ................................................................. 2
SYSTEM SET-UP ..................................................... 2
OPERATING FEATURES ......................................... 3
REALIGNMENT........................................................ 4
INSTALLATION........................................................ 5
MODIFICATION ....................................................... 8
DISASSEMBLY FOR REPAIR ................................ 10
CIRCUIT DESCRIPTION ......................................... 11
SEMICONDUCTOR DATA ..................................... 18
COMPONENTS DESCRIPTION ............................. 20
PARTS LIST............................................................ 22
EXPLODED VIEW .................................................. 34
PACKING ................................................................ 36
ADJUSTMENT ....................................................... 37
CONTENTS
TERMINAL FUNCTION ......................................... 46
INTERCONNECTION DIAGRAM........................... 50
PC BOARD
FINAL UNIT (X45-3742-71) ............................... 52
DISPLAY UNIT (X54-3330-21) .......................... 56
TX-RX UNIT (X57-6962-70) (A/2)..................... 60
TX-RX UNIT (X57-6962-70) (B/2) ..................... 64
RX VCO UNIT (X58-4800-10) ........................... 68
TX VCO UNIT (X58-4810-10) ............................ 69
SCHEMATIC DIAGRAM ........................................ 70
BLOCK DIAGRAM.................................................. 83
KES-5 (EXTERNAL SPEAKER) .............................. 86
SPECIFICATIONS................................................... 87