Equipment information
Kenwood TS-770 Transceiver
Manufacturer:
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Model:
TS-770
Date:
Category:
Group:
Description:
All Mode Transceiver
Information
1. 144/430 MHz, all mode (FM, SSB (USB, LSB), CW) Transceiver.
• Microprocessor controlled VFO and full variety of
auxiliary functions.
• FM circuitry based on KENWOOD;s advanced technology and
outstanding SSB quality.
• Built-in VOX.
• Built-in side tone and CW circuitry capable of semi break-in operation.
• Easy-to-operate 1 band, 1 MHz VFO stops at 999.98 kHz or
is continuously adjustable (endless system).
2. Built-in digital display that indicates operating
frequency in all modes.
• Digital display equipped with easy-to-read green phosphor
tubes.
• 7-digit digital display that directly reads down to 100 Hz.
• Frequency indicator that reads out carrier positions when
mode of operation is changed.
• Indicates fixed channel (stores any given frequency) and
call channel frequencies, besides VFO A and B frequencies.
• Digital display indicates which VFO (A or B) is in use,
fixed channel numbers (1 through 8).
• The use of display select circuit turns off the 100 Hz
digits in FM mode.
3. Dependable electrical and mechanical functions.
• VFO frequencies are switchable in 2 speeds, SLOW (in 20 Hz
steps) and FAST (in 200 Hz steps).
• VFO knob equipped with variable torque mechanism.
• Pushbutton band select switches (UP and DOWN) that shift
up and shift down frequency between 144 MHz and 440 MHz in
12 bands at 1 MHz intervals.
• Wide band design for both Transmitter and Receiver that
eliminates the need for tuning the RF circuits.
• Panel layout based on human engineering.
• Full variety of indicating functions to check operating
conditions (Pilot lamps: ON AIR, Hi/LOW (FM transmit),
F-LOCK, RIT, SLOW/FAST, Back-up power ON/OFF).
• Amplified type AGC and ALC circuits that maintain receive
and transmit outputs at constant level without distortion.
A multitude of auxiliary functions for more enjoyable
operation.
The use of RAM memory system microprocessor enables any
given frequencies to be stored in or cleared from fixed
channels (8 CH).
Built-in back-up power circuit to keep data stored at all
times.
Built-in scan and search circuits.
RIT circuit functions on VFO, fixed channels and call channel.
Adoption of frequency lock circuit.
KENWOOD's unique noise blanker (NB) circuit to eliminate
pulse type noise.
Equipped with two meters, one is an "S" meter (with RF/ALC
selector) and the other is a center meter for use on FM.
RF power HIGH/LOW selecting function provides convenience in
transmission with local stations.
Auxiliary (AUX) socket.
Designed for fixed and mobile station services.
AC/DC 2-way power operation.
Equipped with a grip for carrying convenience.
Sufficient AF output power (2.5W/412).
Built-in large sized speaker (7.5 cm). External speaker
connecting jack.
Manual Type:
Service Manual
Pages:
88
Size:
64.09 Mbytes (67201854 Bytes)
Language:
english
Revision:
Manual-ID:
B51-0894-00/400
Date:
Quality:
Scanned document, all readable.
Upload date:
2022 12 31
MD5:
1364a5b9be93af42da573cb70b7669cb
Uploader:
Harald Gyo
Downloads:
296
Manual Type:
Service Manual
Pages:
63
Size:
18.08 Mbytes (18957525 Bytes)
Language:
english
Revision:
Manual-ID:
Date:
Quality:
Scanned document, all readable.
Upload date:
2023 01 01
MD5:
19fb422f8c4fa08d0c247c2589f78ddb
Uploader:
Harald Gyo
Downloads:
208
Manual Type:
User Manual
Pages:
27
Size:
1.50 Mbytes (1569076 Bytes)
Language:
english
Revision:
Manual-ID:
B50-2668-00
Date:
1995 01 01
Quality:
Scanned document, reading partly badly, partly not readable.
Upload date:
2018 05 20
MD5:
75de808e03ce49bfbe035df88bfbe4e4
Downloads:
592
Information
SPECIFICATIONS ...
3
1. FEATURES ...
... 4
2. BEFORE
USING ...
5
3. CONTROLS AND THEIR
FUNCTIONS ...
7
4.
PRELIMINARY ... * ...
11
5. OPERATING
INSTRUCTIONS ... i ...
13
6. OPTIONAL
ACCESSORIES ...
22
7.
TROUBLESHOOTING ...
24
8. CIRCUIT
ARRANGEMENT ...
2B
BLOCK
DIAGRAM ...
26
SCHEMATIC
DIAGRAM ...
27
INTERNAL PARTS
LOCATIONS ...
30