Geräte Informationen:

Kenwood TKR-850 Transceiver
Hersteller:
Kenwood
Modell: TKR-850
Datum: 2001
Kategorie: Funk und Kommunikation
Gruppe: Transceiver
Beschreibung: UHF FM TRANSCEIVER
Informationen:
                                    GENERAL
Frequency Range ........................................ 440
to 470MHz
Number of Channels .................................. 16 channel
Channel Spacing .........................................
Wide : 25kHz Narrow : 12.5kHz (PLL channel stepping
5kHz/6.25kHz)
Operating Voltage .......................................
13.2V DC
Current Drain
Standby ................................................... 0.8A
Standby w/power save ........................... 0.3A
(Operating mode DC-IN : Backup, FAN : Temp, SAVE : ON, DISP
: OFF)
Receive ................................................... 1.2A
Transmit/Receive .................................... Less
than 13A
Duty Cycle
.................................................. Receive :
100% Transmit : 100% (100% @25W)
Frequency Stability .....................................
Less than ± 0.00015% –30°C to +60°C
Antenna Impedance ................................... 50Ω
Operating Temperature Range ................... –30°C to +60°C
Dimensions .................................................
483 W x 88 H x 340 D mm
Weight
........................................................ 9.7kg
RECEIVER (Measured by ETS 300 086)
Sensitivity
................................................... 0.45μV
Adjucent Channel Selectivity ..................... 83dB
(±25kHz) 75dB (±12.5kHz)
Intermodulation .......................................... 72dB
Spurious & Image Rejection ....................... 90dB
Audio Output (Ext. Speaker) ....................... 4W at 4Ω
less than 5% distortion
Audio Distortion (Ext. Speaker) .................. Less than
2.5% at 1000Hz
Band Spread ............................................... 5MHz
TRANSMITTER (Measured by ETS 300 086)
RF Power Output ........................................ 40W
adjustable to 25W (100% duty @25W)
Modulation Limiting .................................... ±
5kHz at ±25kHz ± 2.5kHz at ±12.5kHz
Spurious Emission ......................................
–36dBm ≤ 1GHz –30dBm > 1GHz
FM Noise (EIA) ...........................................
25kHz : 50dB 12.5kHz : 45dB
Modulation Distortion ................................. Less
than 3% at 1000Hz
Microphone Impedance ............................. 600Ω
Band Spread ...............................................
30MHz

Folgende Anleitungen sind für obiges Gerät verfügbar:

Kenwood -- TKR-850 -- Serviceanleitung
Dateiname: Kenwood-6896-Manual-Page-1-Picture
Dokumenttyp: Serviceanleitung
Seitenanzahl: 71
Dateigröße: 5.70 Mbytes (5977064 Bytes)
Sprache: Englisch
Revision:
Dokument-ID/Nummer: B51-8557-10 (N) 1233
Datum: Mai 2001
Qualität: Elektronisches Dokument, kein Scan, sehr gut lesbar.
Upload Datum:
MD5: f71a19761c6a314ba58f65816a4c45e8
ed2kID: 6a9542e964d95070936dfd87abecca1f
Downloads: 56 seit 15 Juni 2015
Informationen:
This Service Manual was revised based on the service
manual as per parts No. B51-8557-00, in order to include
new variants with the following destination codes : K3.

GENERAL .................................................. 2
SYSTEM SET-UP ...................................... 2
OPERATING FEATURES .......................... 3
REALIGNMENT....................................... 11
INSTALLATION ....................................... 13
MODIFICATION....................................... 15
DISASSEMBLY FOR REPAIR ................. 17
CIRCUIT DESCRIPTION .......................... 18
SEMICONDUCTOR DATA ...................... 24
DESCRIPTION OF COMPONENTS ........ 26
PARTS LIST ............................................. 28
EXPLODED VIEW.................................... 39
PACKING ................................................. 41
ADJUSTMENT ........................................ 42
TERMINAL FUNCTION ........................... 49
WIRING.................................................... 53
PC BOARD VIEWS
RX PLL/VCO (X58-4800-XX) .............. 55
TX PLL/VCO (X58-4810-XX)............... 56
DISPLAY UNIT (X54-3330-20) ............ 57
FINAL UNIT (X45-3630-XX) ................ 61
TX-RX UNIT (X57-6270-XX) (A/2)...... 67
TX-RX UNIT (X57-6270-XX) (B/2) ...... 73
SCHEMATIC DIAGRAM.......................... 79
BLOCK DIAGRAM................................... 91
KES-4 (EXTERNAL SPEAKER) ............... 94
SPECIFICATIONS .................................... 95

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.
Kenwood-6896-Manual-Page-1-Picture
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