Table Of Contents - Sony PS-2250 Service Manual

TABLE OF CONTENTS
Section Title Page
1. TECHNICAL DESCRIPTION
"4-1. Technical Specifications 2... ee ee ee 1
1-2. Principle of ac Servo System... 2... ee ee eee 1
1-3. Block Diagram «ww ee ee 4
2. DISASSEMBLY AND REPLACEMENT
2-1. Top Cover Removal ...........6. r i d aia Hee TOA: ee a) Ae CO a 5
2-2. Bottom Plate Removal .. 2. 1. 1. et 5
2-3. Turntable Base Removal ... 2... 1. ee ee ee ts 5
2-4. Servo Amplifier Chassis Removal... 2... 1 eee ee ee eee 6
2-5. Servo Amplifier Cover Removal . 2... 2... eee ee es 6
2-6. Power Supply Chassis Removal .... 2.2... ee ee eee eee 6
2-7. Motor Replacement .. 1... 6. ee ee ee ee 6
2-8.
Microswitch Replacement
......
2.2... ee ee erase eatin
ven a 7
2-9. Strobe Lamp Replacement... 1... ee ee ee ee ee 8
2-10. Power Transistor Replacement... 1... ee ee et ee eee ee 8
2-11. Tonearm Assembly Removal... 0... eee ee 8
2-12. Tonearm Base Removal .. 1... 1. 1 eee ee et ee ee eee 8
2-13. Tonearm Lifter Replacement... 2... ee eee ee ee ee ee 9
2-14, Bias Cord Stringing... 2.0. 2 ee ee eee iesleet Stet 9
3. ADJUSTMENT PROCEDURES
3-1. Speed Adjustment 2.2... 1 es 10
3-2. Tonearm Height Adjustment... 2... ee eee ee ee es 10
3-3. Stylus-Force and Anti-Skating Force Adjustment ..........-. 10
3-4.
Lateral Balance Adjustment ..
2... 2... ee ee ee
ee ee 11
3-5. Lubrication 2... 0. 1 ee ee ee ee ee ee es 11
4. DIAGRAMS
4-1. Wiring/Mounting Diagram - AEP Model- .........--.-.4--. 13
4-2. Wiring/Mounting Diagram - EP Model- ...... 2.2.22 ee eee 15
4-3. Schematic Diagram .. 2... 1. ee ee 17
4-4. Mounting Diagram .. 1 2. 1 ee ee ee 19
5, - EXPLODED VIEWS 203s. 5.4. .fe a he
o da ew Be Oe ak a es
ges 28)
6. REPAGKING:
© cos o. 5 6 2S EA
ee ee BG
24