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Kenwood Manuals
Transceiver
TS-850S
Service manual
Table Of Contents - 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
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Table of Contents
Contents
2
Circuit Description
3
Signal System Frequency Configuration
3
Display Frequency In Each Mode
4
Pll System Frequency Configuration
4
Local Oscillator Circuit
5
Pll Block Diagram
5
Car Unit
6
Lo2
6
Lo1 Pll Loop
6
Pll Data
6
Lo3 Generation
7
Car Generation
7
Mcar Generation
7
Dds Ic: Ym6631 Block Diagram And Data Format
7
Dds
8
Ic Configuration
8
Sin Rom
8
Chopper
8
Receiver Circuit Description
9
Frequency Configuration
9
Rf Band-Pass Filter Switching Signal Decoding
10
Rf Amplifier Switching And Aip Switching
10
Noise Blanker Circuit
11
If Filter Selection
12
Initial Condition
12
Optional Filter Types
12
Transmitter Circuit
13
Transmitter Circuit Block Diagram
14
Power Control And Power Settings
15
Voice Memory Operation
16
Filter Unit
16
Transmit Low-Pass Filter, At Band Data
16
Tx Lpf And At Band Data
16
At Unit
17
Auto Tuning Mode
17
Block Diagram Of Auto Antenna Tuner
17
Manual Tuning
18
Preset Tuning
18
Standby Control Timing
19
Manual Standby (Except Cw)
19
Txb And Cky Generation
19
Txb And Cky Down
19
Rbc Generation
20
Full Break-In Operation Timing
20
Txb Generation By Closing The Cw Key
20
Timing Chart For Full Break-In
20
Standby Timer Circuit
21
Key Up
23
Timing For Semi Break-In Operation
23
Txb Generation By Key Down
23
Standby From The Data Communication Terminal
23
Digital Control Block Diagram
24
Encoder Circuit
25
System Reset, Ram Backup
25
Address Control
26
Memory Map
26
Analog Signal Input
27
Display
27
Pll And Dds Data
27
Key Scan
27
At Control
28
If Filter Switching
28
Receive Band-Pass Filter Selection
29
Pll Vco Data
29
Electronic Keyer Control
29
Band Data List
29
Function Of Ic Pins
31
Setting The Extended Functions
35
Setting For Full-Morse Function
35
Setting For Adjustment Mode
35
Treat Construction
35
Description Of Components
36
Rf Unit (X44-3120-00)
36
Final Unit (X45-1470-02)
38
Digital Unit (X46-308X-Xx)
38
If Unit (X48-3080-00)
39
Pll Unit (X50-3130-00)
41
Car Unit (X50-3140-00)
42
Filter Unit (X51-3100-00)
43
At Unit (X53-3340-00)
43
Semiconductor Data
45
I/O Port: Mb89363B (Digital Unit Ic1, 3)
45
I/O Port: Cxd1095Q (Digital Unit Ic2)
47
Terminal Connection
47
A/D Converter: Mb4052 (Digital Unit Ic5)
49
Channel Select
49
Range Select
49
Wiring Example When Expanding The Range
49
Cpu: Pd78C10G-36 (Digital Unit Ic6)
50
Ram: Tc5564Apl-15 (Digital Unit Ic13)
52
Operation Mode
52
Description Of Terminals
52
Encoder Gate Array: Lz92K37 (Digital Unit Ic14)
52
Parts List
53
Exploded View
91
Packing
95
Adjustment
96
Required Test Equipment
96
Reference
96
Preparation
97
Setting
97
Front Panel
97
Rear Panel
97
Pll Section Adjustment
98
Receiver And Transmitter Section Adjustment
99
Adjustment Points (Side)
106
Adjustment Points (Upper)
107
Adjustment Points (Lower)
108
Terminal Function
109
Pc Board Views
116
Dc-Dc (X59-1100-00) Component Side View
116
Aip Sw (X59-3900-00) Component Side View
116
Nb2 (X59-3910-00) Component Side View
116
Rf Unit (X44-3120-00) Component Side View
117
Rf Unit (X44-3120-00) Foil Side View
119
Circuit Diagram
121
Circuit Diagram/Pc Board View
129
Final Unit (X45-1470-02) Component Side View
129
Digital Unit (X46-308X-Xx) Component Side View
131
Digital Unit (X46-308X-Xx) Foil Side View
133
If Unit (X48-3080-00) Component Side View
144
If Unit (X48-3080-00) Foil Side View
146
Vox (X59-1080-00) Component Side View
148
Trx (X59-3680-01) Component Side View
148
Agc (X59-3820-00) Component Side View
148
Sm Amp (X59-3830-00) Component Side View
148
Delay (X59-3860-00) Component Side View
149
Bk In (X59-3870-00) Component Side View
149
Bk Sw (X59-3880-00) Component Side View
149
Proc Amp (X59-3890-00) Component Side View
149
Pll Unit (X50-3130-00) Component Side View
162
Pll Unit (X50-3130-00) Foil Side View
163
Vco2 (X58-3390-03) Component Side View
164
Vco2 (X58-3390-03) Foil Side View
164
Pc Board View
168
Car Unit (X50-3140-00) Component Side View
168
Car Unit (X50-3140-00) Foil Side View
169
Filter Unit (X51-3100-00) Component Side View
172
Filter Unit (X51-3100-00) Foil Side View
173
At Unit/At-850 (X53-3340-00) Component Side View
176
At Unit/At-850 (X53-3340-00) Foil Side View
177
At Unit/At-850 (X53-3340-00) K, P, M, M3, X, E, E3
178
Circuit Diagram/Pc Board Views
180
Lcd Assy (B38-0350-15) Component Side View
181
Lcd Assy (B38-0350-15) Foil Side View
181
Switch Unit A (X41-3130-00) Component Side View
182
Switch Unit A (X41-3130-00) Foil Side View
183
Switch Unit B (X41-3140-00) Component Side View
184
Switch Unit B (X41-3140-00) Foil Side View
185
Schematic Diagram
186
Block Diagram
194
Level Diagram
196
Receiver Section
196
Transmitter Section
197
Dru-2 Circuit Description
198
Dru-2 Description Of Components
198
Accessory Unit (X42-3010-01)
198
Ic1: Tc4052Bf Operations
198
Dru-2 Semiconductor Data
199
Audio Recording And Playback: Tc8830F (Ic3)
199
Dru-2 Pc Board Views
202
Accessory Unit (X42-3010-01) Component Side View
202
Accessory Unit (X42-3010-01) Foil Side View
202
Dru-2 Schematic Diagram
203
Ps-52 (Dc Power Supply)
205
Ps-52 Specifications
205
Ps-52 Adjustment
205
Ps-52 Packing
205
Sp-31 (External Speaker)
212
Sp-31 Specifications
212
Sp-31 Parts List
212
Sp-31 Schematic Diagram
213
Sp-31 Pc Board View
213
Vs-2 (Voice Synthesizer)
214
Vs-2 Parts List
214
Vs-2 Schematic Diagram
214
Vs-2 Pc Board View
214
So-2 (Tcxo Unit)
215
So-2 External View
215
So-2 Specifications
215
So-2 Parts List
215
Specifications
216
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Table of Contents
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