Sony srf m 55 service manual

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sony srf m 55 service manual

Extracted text from sony srf m 55 service manual (Ocr-read)


Page 1

Ð 2 Ð Specifications ........................................................................... 1 1. GENERAL Location and Function of Controls .................................... 2 2. DISASSEMBLY 2-1. ÒCabinet ASSY, FrontÓ, ÒCabinet ASSY, RearÓ ......... 3 2-2. Main Board ................................................................. 3 2-3. LCD201 ...................................................................... 4 2-4. Microcomputer Board ................................................. 4 3. ADJUSTMENTS .......................................................... 5 4. DIAGRAMS 4-1. Explanation of IC Terminals ....................................... 6 4-2. Block Diagrams .......................................................... 7 4-3. Printed Wiring Boards .............................................. 10 4-4. Schematic Diagram ................................................... 13 5. EXPLODED VIEW ..................................................... 17 6. ELECTRICAL PARTS LIST .................................... 18Flexible Circuit Board Repairing ¥ Keep the temperature of the soldering iron around 270¡C during repairing. ¥ Do not touch the soldering iron on the same conductor of the circuit board (within 3 times). ¥ Be careful not to apply force on the conductor when soldering or unsoldering. 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. TABLE OF CONTENTS SECTION 1 GENERAL LOCATION AND FUNCTION OF CONTROLS

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Ð 3 Ð SECTION 2 DISASSEMBLY Note : Follow the disassembly procedure in the numerical order given. 2-1. ÒCABINET ASSY, FRONTÓ, ÒCABINET ASSY, REARÓ 2-2. MAIN BOARD r The equipment can be removed using the following procedure. Cabinet ASSY, Front Cabinet ASSY, Rear Set Main board Microcomputer boardLCD201 1 Screws (B1.7x8) 2 Claws 2 Claws 3 4 Flexible board (10 core) 5 LCD flexible board (13 core) Cabinet ASSY, rear Cabinet ASSY, front 2 Claw 3 Claw 4 12 Main board Cabinet ASSY, front Button (power) Lid, battery case 3 Claw