Sony srf m 75 pm service manual

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Ð 2 Ð TABLE OF CONTENTS 1. SERVICING NOTES ............................................... 2 2. GENERAL ................................................................... 3 3. DISASSEMBLY ......................................................... 4 4. ELECTRICAL ADJUSTMENTS TUNER Section .............................................................. 6 PULSE MONITOR Section ............................................ 8 5. DIAGRAMS 5-1. Block Diagram ................................................................ 9 5-2. Printed Wiring Boards ..................................................... 12 5-3. Schematic Diagram ......................................................... 15 5-4. IC Pin Function Description ........................................... 20 6. EXPLODED VIEW ................................................... 21 7. ELECTRICAL PARTS LIST ............................... 22Forced Reset The system microprocessor can be reset in the following proce- dure. Use these procedure when the unit cannot be worked normally due to the overrunning of the microprocessor, etc. Procedure: 1. Set to radio OFF. 2. While pressing the [SCAN] button, press two buttons of [START/STOP] and [BAND] simultaneously for 5 seconds. 3. The unit is reset, and display blinking Ò AM 12:00Ó. 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. SECTION 1 SERVICING NOTES