TABLE OF CONTENTS
Preparation for Use
Rear Panel Connections
Phono
Tape In
Tape Out
Auxiliary
Quadradial
Main In and Pre Out
Loundspeaker Systems
FM Antenna
Antenna Attenuator
AM Antenna
Connection to AC Outlet
Convenience Outlet
Simplified Operating Procedure
Tuning Meters
Tuning
Mono Switch
Tape Monitor Switch
Loudness Switch
Low Filter Switch
Hi Filter Switch
Muting Switch and Level Control
2
2
2
2
3
3
3
3
4
5
5
5
5
5
6
6
6
6
6
6
6
6
Muting Circuit
AM Tuner
Selector Switch
Tape Signals
Tape Monitor Switch
Phono Signals
Mono Functions
Control Circuits
Balance Control
Volume Control
Tone Ampl ifier
Hi-Low Filters
General
Service Note
12
12
12
13
13
13
13
13
13
13
13
13
13
14
Main.Controls and Switches
Selector Switch
Balance Control
Volume Control
BassMid and Treble Controls
Main-Spkr-Remote Switch
Front Panel Jacks
Dubbing Out
Dubbing In
Stereophones
Some Suggestion on Using Tape Recorders
with Your Model 2230
Recording and Playback
Recording
Playback
Making Two Recordings Simultaneously
Recording a Long-Duration Program
Copying and Editing
Converting Your Stereo System to
4- channel
Technical Description
General
Functional Description
Front End
IF Stages
Limiter
FM Streo Demodulator
7
7
7
7
7
7
7
7
7
8
8
8
8
8
8
8
9
9
11
11
11
11
12
12
12
liST OF IllUSTRATIONS
1. Rear Panel Connection Facilities and
Adjustments 2
2. Loudspeaker System Connections 3
3. FM/AM Antenna Connection 4
4. AM Ferrite-rod Antenna 5
5. Front Panel Controls and Jacks 7
6. Stereophone Plug 8
7. Arrangement of Two Tape Recorder 9
8. Connection Diagram 10
9. Functional Block Diagram 11
10. Pack
ing Instructions 14
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