Sony WRT-800A, Руководство по обслуживанию

Страница: 3 / 40

WRT-800A (AU)
TABLE OF CONTENTS
1. OPERATION INSTRUCTIONS
2. SERVICE OVERVIEW
2-1. Disassembly ................................................................................................ 2-1
2-2. Notes When Assembling Parts .................................................................... 2-3
3. ELECTRICAL ALIGNMENT
3-1. Equipment and Tools .................................................................................. 3-1
3-2. Adjustment .................................................................................................. 3-2
3-2-1.
+
3V (Vcc) Regulated Voltage Check ........................................ 3-4
3-2-2. Carrier Frequency Adjustment ................................................... 3-4
3-2-3. Reference Frequency Deviation Adjustment ............................. 3-5
3-2-4. Maximum Frequency Deviation Adjustment ............................. 3-5
3-2-5. Distortion Ratio Check ............................................................... 3-6
3-2-6. S/N Check .................................................................................. 3-7
3-2-7. Frequency Characteristics Check ............................................... 3-7
3-2-8. RF Power Output Adjustment .................................................... 3-8
3-2-9. Tone signal Adjustment ............................................................. 3-8
3-2-10. Battery Alarm Signal Check .................................................... 3-10
3-2-11. Spurious Emissions Check ....................................................... 3-11
4. BLOCK DIAGRAM
5. SEMICONDUCTOR PIN ASSIGNMENT
6. SCHEMATIC DIAGRAMS AND BOARD LAYOUTS
6-1. Board Layouts ............................................................................................. 6-1
6-2. Schematic Diagrams .................................................................................... 6-2
7. SPARE PARTS
7-1. Notes on Repair Parts .................................................................................. 7-1
7-2. Exploded View and Parts List ..................................................................... 7-2
7-3. Electrical Parts List ..................................................................................... 7-4
7-4. Supplied Accessories .................................................................................. 7-6