Sony ICFM50RDS free download

File name Sony-ICFM33RDS rec.pdf

ICF-M33RDS SERVICE MANUAL Ver 1.2 2001.02 With SUPPLEMENT-1 (9-926-922-81) AEP Model UK Model SPECIFICATIONS FM/AM (LW) RDS RADIO MICROFILM TABLE OF CONTENTS 1. GENERAL Features ... Choosing the Power Source ... Setting the Clock ... Operating the Radio ... Setting the Sleep Timer ... Using the RDS Function ... Using Other Functions ... Precautions ... 3 4 4 4 5 5 6 6 SERVICING NOTES HOW TO CHANGED THE CERAMIC FILTERS This model is used two ceramic filters of CF2 and CF3. You must used same type of color marked ceramic filters in order to meet same specifications. Therefore, the ceramic filter must changed two pieces together since it's supply two pieces in one package as a spare parts. Mark Center frequency CF2 mark red blue orange 10.70 MHz 10.67 MHz 10.73 MHz 10.64 MHz 10.76 MHz 2. 3. 4. DISASSEMBLY ... 7 ELECTRICAL ADJUSTMENTS ... 9 DIAGRAMS 11 13 14 17 21 28 CF3 4-1. Block Diagram ... 4-2. Note for Printed Wiring Boards and Schematic Diagrams ... 4-3. Printed Wiring Board ­ MAIN Section ­ ... 4-4. Printed Wiring Board ­ PANEL Section ­ ... 4-5. Schematic Diagram ... 4-6. IC Pin Function Description ... black white 5. 6. EXPLODED VIEW ... 29 ELECTRICAL PARTS LIST ... 30 Notes on chip component replacement · Never reuse a disconnected chip component. · Notice that the minus side of a tantalum capacitor may be damaged by heat. ­2­ SECTION 1 GENERAL This section is extracted from instruction manual. ­3­ ­4­ ­5­ ­6­ SECTION 2 DISASSEMBLY · This set can be disassembled in the order shown below. Set Cabinet (Rear) Chassis Key Board Main Board Note: Follow the disassembly procedure in the numerical order given. CABINET (REAR) 2 telescopic (FM) antenna 7 hand strap 6 ANT contact plate 1 screw (nylock B3 Ч 6) 3 five screws (P2 Ч 12) 5 cabinet (rear) 4 three claws CHASSIS 1 Break the soldering of speaker lead. 2 chassis ­7­ KEY BOARD 2 two flat wires 2 Remove the lock of two connectors (CN1, CN2). 3 KEY board 1 three claws MAIN BOARD 2 MAIN board 1 three claws ­8­ SECTION 3 ELECTRICAL ADJUSTMENTS 0 dB = 1µV [FM] Setting: Band switch: FM FM RF signal generator 0.01 µF set 22.5 kHz frequency deviation