Sony SRF-PSY04, Руководство по обслуживанию

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TABLE OF CONTENTS
1. GENERAL
................................................................... 3
2. DISASSEMBLY
......................................................... 4
3. ELECTRICAL ADJUSTMENTS
......................... 5
4. DIAGRAMS
4-1. Block Diagram ................................................................ 7
4-2. Printed Wiring Boards ..................................................... 9
4-3. Schematic Diagram ......................................................... 11
4-4. IC Pin Function Description ........................................... 15
5. EXPLODED VIEW
................................................... 16
6. ELECTRICAL PARTS LIST
............................... 17
Notes on chip component replacement
• Never reuse a disconnected chip component.
• Notice that the minus side of a tantalum capacitor may be dam-
aged by heat.
CF3
CF1
mark
Mark Center frequency
red 10.70 MHz
blue 10.67 MHz
orange 10.73 MHz
black 10.64 MHz
white 10.76 MHz
HOW TO CHANGED THE CERAMIC FILTERS
This model is used two ceramic filters of CF1 and CF3.
You must use same type of color marked ceramic filters in order to
meet same specifications.
Therefore, the ceramic filter must be changed two pieces together
since it’s supply two pieces in one package as a spare parts.