Smettere di rottami elettronici - ripararlo da solo

GENERAL .................................................. 2
SYSTEM SET-UP ...................................... 2
OPERATING FEATURES .......................... 3
REALIGNMENT....................................... 11
INSTALLATION ....................................... 13
MODIFICATION....................................... 15
DISASSEMBLY FOR REPAIR ................. 16
CIRCUIT DESCRIPTION .......................... 17
SEMICONDUCTOR DATA ...................... 23
DESCRIPTION OF COMPONENTS ........ 25
PARTS LIST ............................................. 27
EXPLODED VIEW.................................... 37
PACKING ................................................. 39
ADJUSTMENT ........................................ 40
TERMINAL FUNCTION ........................... 47
WIRING.................................................... 51
PC BOARD VIEWS
RX PLL/VCO (X58-4780-10) ................ 53
TX PLL/VCO (X58-4790-10) ................ 54
DISPLAY UNIT (X54-3330-20) ............ 55
FINAL UNIT (X45-3620-XX) ................ 59
TX-RX UNIT (X57-6260-XX) (A/2)...... 65
TX-RX UNIT (X57-6260-XX) (B/2) ...... 71
SCHEMATIC DIAGRAM.......................... 77
BLOCK DIAGRAM ................................... 89
KES-4 (EXTERNAL SPEAKER) ............... 92
SPECIFICATIONS .................................... 93

This service manual applies to products 60700001 or
subsequent serial number.
In terms of the products with the serial numbers earlier
than 60700001, refer to the TKR-750 service manual as per
part number
B51-8556-10 and B51-8661-00.


SCOPE OF THIS MANUAL
This manual is intended for use by experienced technicians
familiar with similar types of commercial grade communications
equipment. It contains all required service information
for the equipment and is current as of this publication
date. Changes which may occur after publication are covered
by either Service Bulletins or Manual Revisions, which are
issued as required.


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
TERMINAL FUNCTION ......................................... 46
INTERCONNECTION DIAGRAM........................... 50
PC BOARD
FINAL UNIT (X45-373X-XX) ............................. 52
DISPLAY UNIT (X54-3330-21) .......................... 56
TX-RX UNIT (X57-695X-XX) (A/2) ................... 60
TX-RX UNIT (X57-695X-XX) (B/2) ................... 64
RX VCO UNIT (X58-4780-10) ........................... 68
TX VCO UNIT (X58-4790-10)............................ 69
SCHEMATIC DIAGRAM ........................................ 70
BLOCK
DIAGRAM.................................................. 83
KES-5 (EXTERNAL SPEAKER) .............................. 86
SPECIFICATIONS...................................................
87