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Kenwood Manuals
Transceiver
TS-850S
Service manual
Kenwood TS-850S Service Manual
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Also See for TS-850S
:
Service manual
(115 pages)
,
Instruction manual
(86 pages)
,
Replacement manual
(2 pages)
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Contents
Table of Contents
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Table of Contents
Contents
Circuit Description
Signal System Frequency Configuration
Display Frequency in each Mode
PLL System Frequency Configuration
Local Oscillator Circuit
PLL Block Diagram
CAR Unit
Lo2
LO1 PLL Loop
PLL Data
LO3 Generation
CAR Generation
MCAR Generation
DDS IC: YM6631 Block Diagram and Data Format
Dds
IC Configuration
Sin Rom
Chopper
Receiver Circuit Description
Frequency Configuration
RF Band-Pass Filter Switching Signal Decoding
RF Amplifier Switching and AIP Switching
Noise Blanker Circuit
IF Filter Selection
Initial Condition
Optional Filter Types
Transmitter Circuit
Transmitter Circuit Block Diagram
Power Control and Power Settings
Voice Memory Operation
Filter Unit
Transmit Low-Pass Filter, at Band Data
TX LPF and at Band Data
AT Unit
Auto Tuning Mode
Block Diagram of Auto Antenna Tuner
Manual Tuning
Preset Tuning
Standby Control Timing
Manual Standby (Except CW)
TXB and CKY Generation
TXB and CKY down
RBC Generation
Full Break-In Operation Timing
TXB Generation by Closing the CW Key
Timing Chart for Full Break-In
Standby Timer Circuit
Key up
Timing for Semi Break-In Operation
TXB Generation by Key down
Standby from the Data Communication Terminal
Digital Control Block Diagram
Encoder Circuit
System Reset, RAM Backup
Address Control
Memory Map
Analog Signal Input
Display
PLL and DDS Data
Key Scan
AT Control
IF Filter Switching
Receive Band-Pass Filter Selection
PLL VCO Data
Electronic Keyer Control
Band Data List
Function of IC Pins
Setting the Extended Functions
Setting for Full-Morse Function
Setting for Adjustment Mode
Treat Construction
Description of Components
RF Unit (X44-3120-00)
Final Unit (X45-1470-02)
Digital Unit (X46-308X-XX)
IF Unit (X48-3080-00)
PLL Unit (X50-3130-00)
Car Unit (X50-3140-00)
Filter Unit (X51-3100-00)
AT Unit (X53-3340-00)
Semiconductor Data
I/O Port: MB89363B (Digital Unit IC1, 3)
I/O Port: CXD1095Q (Digital Unit IC2)
Terminal Connection
A/D Converter: MB4052 (Digital Unit IC5)
Channel Select
Range Select
Wiring Example When Expanding the Range
CPU: PD78C10G-36 (Digital Unit IC6)
RAM: TC5564APL-15 (Digital Unit IC13)
Operation Mode
Description of Terminals
Encoder Gate Array: LZ92K37 (Digital Unit IC14)
Parts List
Exploded View
Packing
Adjustment
Required Test Equipment
Reference
Preparation
Setting
Front Panel
Rear Panel
PLL Section Adjustment
Receiver and Transmitter Section Adjustment
Adjustment Points (Side)
Adjustment Points (Upper)
Adjustment Points (Lower)
Terminal Function
PC Board Views
DC-DC (X59-1100-00) Component Side View
AIP SW (X59-3900-00) Component Side View
NB2 (X59-3910-00) Component Side View
RF Unit (X44-3120-00) Component Side View
RF Unit (X44-3120-00) Foil Side View
Circuit Diagram
Circuit Diagram/Pc Board View
Final Unit (X45-1470-02) Component Side View
Digital Unit (X46-308X-XX) Component Side View
Digital Unit (X46-308X-XX) Foil Side View
IF Unit (X48-3080-00) Component Side View
IF Unit (X48-3080-00) Foil Side View
VOX (X59-1080-00) Component Side View
TRX (X59-3680-01) Component Side View
AGC (X59-3820-00) Component Side View
SM AMP (X59-3830-00) Component Side View
Delay (X59-3860-00) Component Side View
BK in (X59-3870-00) Component Side View
BK SW (X59-3880-00) Component Side View
PROC AMP (X59-3890-00) Component Side View
PLL Unit (X50-3130-00) Component Side View
PLL Unit (X50-3130-00) Foil Side View
VCO2 (X58-3390-03) Component Side View
VCO2 (X58-3390-03) Foil Side View
PC Board View
Car Unit (X50-3140-00) Component Side View
Car Unit (X50-3140-00) Foil Side View
Filter Unit (X51-3100-00) Component Side View
Filter Unit (X51-3100-00) Foil Side View
AT Unit/At-850 (X53-3340-00) Component Side View
AT Unit/At-850 (X53-3340-00) Foil Side View
AT Unit/At-850 (X53-3340-00) K, P, M, M3, X, E, E3
Circuit Diagram/Pc Board Views
LCD Assy (B38-0350-15) Component Side View
LCD Assy (B38-0350-15) Foil Side View
Switch Unit a (X41-3130-00) Component Side View
Switch Unit a (X41-3130-00) Foil Side View
Switch Unit B (X41-3140-00) Component Side View
Switch Unit B (X41-3140-00) Foil Side View
Schematic Diagram
Block Diagram
Level Diagram
Receiver Section
Transmitter Section
DRU-2 Circuit Description
DRU-2 Description of Components
Accessory Unit (X42-3010-01)
IC1: TC4052BF Operations
DRU-2 Semiconductor Data
Audio Recording and Playback: TC8830F (IC3)
DRU-2 PC Board Views
Accessory Unit (X42-3010-01) Component Side View
Accessory Unit (X42-3010-01) Foil Side View
DRU-2 Schematic Diagram
PS-52 (DC Power Supply)
PS-52 Specifications
PS-52 Adjustment
PS-52 Packing
SP-31 (External Speaker)
SP-31 Specifications
SP-31 Parts List
SP-31 Schematic Diagram
SP-31 PC Board View
VS-2 (Voice Synthesizer)
VS-2 Parts List
VS-2 Schematic Diagram
VS-2 PC Board View
SO-2 (TCXO Unit)
SO-2 External View
SO-2 Specifications
SO-2 Parts List
Specifications
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Instruction Manual
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