Sony wm sp 1 service manual

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Ð 2 Ð TABLE OF CONTENTS Specifications ........................................................................... 1 1. GENERAL Location and Function of Controls .................................... 2 2. DISASSEMBLY 2-1. Cabinet (Rear) Removal ............................................. 3 2-2. Cabinet (Front) Removal ............................................ 3 2-3. Main Board, Mechanism Deck Removal ................... 4 2-4. Cassette Holder Sub Assy Removal ........................... 4 2-5. Switch board Removal ............................................... 5 2-6. Dial Pointer Setting .................................................... 5 3. ADJUSTMENTS 3-1. Mechanical Adjustments ............................................ 6 3-2. Electrical Adjustments ................................................ 6 4. DIAGRAMS 4-1. Block Diagram ............................................................ 8 4-2. Printed Wiring Boards .............................................. 10 4-3. Schematic Diagram ................................................... 15 5. EXPLODED VIEWS 5-1. Cabinet and Board Section ....................................... 19 5-2. Mechanism Deck Section ......................................... 20 6. ELECTRICAL PARTS LIST ................................... 21Flexible 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. ¥ HOW TO CHANGE THE CERAMIC FILTERS This model is used two ceramic filters of CF2 and X2. You must use 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 SECTION 1 GENERAL LOCATION AND FUNCTION OF CONTROLS Mark Center Frequency red 10.70MHz blue 10.67MHz orange 10.73MHz black 10.64MHz white 10.76MHz mark mark CF2 X2 NORM LIMIT AVLSNORM CrO 2/ METAL FM ST MONO FM AM TAPE (RADIO OFF) PLAY SPEAKER SPEAKER SWITCH DC IN 3VVOLUME TUNING p 2 0 )

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Ð 3 Ð SECTION 2 DISASSEMBLY Note : Follow the disassembly procedure in the numerical order given. r The equipment can be remo ved using the f ollo wing pr ocedure . 2-1. CABINET (REAR) REMOVAL 2-2. CABINET (FRONT) REMOVAL Main board, Mechanism deck Cabinet (Front) Cabinet (Rear) Cassette holder sub assy Switch board Set Cassette holder sub assy Cabinet (Rear) 1 2 2 3 3 77777 4 4 666 5 8 Cabinet (Front) 1 Flexible board 2