Sony TC-730 - Table of Contents

Section
N
GENERAL DESCRIPTION
1-1.
1-2,
1-3.
TABLE OF CONTENTS
Title
Specifications ..........
Block Diagram .........
Major Parts Locations ......
Switch Location. ........
CIRCUIT DESCRIPTION
Record Amp Circuit
Muting Circuit
System Control
3-1.
3-2.
3-3.
3-4,
3-5.
Ac’Servo Circuit
4-1. Priciple. ace. 4.5 See Bo SS
4-2. Servo Amplifier Operation. ...
4-3. Motor Speed Deviation from
Intended Value .........
Sequence of Switch Operation. . .
DISASSEMBLY
2-1. Cabinet Removal... ......
2-2. Head Deck Removal. ......
2-3. Record Equalizer Circuit Board
Removal. ..........
2-4. Reverse Switch Circuit Board
Brake Solenoid PM602 .....
Reel Motor Circuit... .....
Pinch Roller Solenoid PM601 .. .
Solenoid Operating Voltage ....
Removal
ADJUSTMENT PROCEDURES
3-1.
3-2.
Mechanical Adjustments. ... .
Electrical Adjustments .....
Section
Title
4. DIAGRAMS
4-1.
4-1-1.
4-1-2.
4-2.
4-2-1.
4-2-2.
4-2-3.
4-2-4,
4-2-5.
4-2-6.
4-2-7.
4-2-8.
4-2-9.
4-2-10.
4-2-1].
4-2-12.
4-3.
5. ELECTRICAL PARTS LIST
Schematic Diagram .......
Audio Amp and Bias OSC
Circuits 3.05 oe oe Ea
System Control Circuit .....
Mounting Diagram. .......
Record Amp Circuit Board
Speaker Selector Switch
Circuit Board ..........
Tone Control Circuit Board ...
Power Amp Circuit Board... .
Relay Circuit Board .......
Power Supply Circuit Board. . .
Servo Control Circuit Board. . .
Reverse Switch Circuit Board .. .
. 68
Level Diagram
6. EXPLODED VIEWS
6-1.
6-2.
6-3.
6-4.
6-5.
6-6.
6-7.
6-8.
6-9.
7. HARDWARE
Cabinet — top view ~—
Head Deck —topview— ....
Amplifier Chassis Panel
—topview- ..........
Amplifier Chassis — top view — .
Chassis — topview—-(1).....
Chassis — top view — (2)... ..
Chassis — top view —(3).....
Chassis ~ bottom view—- ....
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Hardware Nomenclature. ....
When ordering replacement parts, you should use PART NUMBER
listed on the Parts Lists or shown in the EXPLODED VIEW.
The reference number should not be used for ordering purposes.
. 39
. 39
. 41
. 43
. 43
Record Equalizer Circuit Board . . 46
Playback Amp Circuit Board. . .
Bias OSC Circuit Board .....
SOS/ECHO Circuit Board ... .
. 48
.51
. 54
“55
. 56
. 58
. 60
. 63
. 66
67
. 70
77
279
. 81
. 83
. 85
. 87
. 88
. 89
. 90
941
. 91