Sony str lsa 1 service manual
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2 TABLE OF CONTENTS SAFETY-RELATED COMPONENT WARNING!! COMPONENTS IDENTIFIED BY MARK 0 OR DOTTED LINE WITH MARK 0 ON THE SCHEMATIC DIAGRAMS AND IN THE PARTS LIST ARE CRITICAL TO SAFE OPERATION. REPLACE THESE COMPONENTS WITH SONY PARTS WHOSE PART NUMBERS APPEAR AS SHOWN IN THIS MANUAL OR IN SUPPLEMENTS PUBLISHED BY SONY. 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.Flexible Circuit Board Repairing - Keep the temperature of 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. SERVICE NOTE - When you want raise the DAC board in order to perform any repair work, use the jig as shown. Note:Route the AC power cord making a loop so that the AC power cord is routed around the screw hole. Jig No. (J-2501-009-A) DAC boar d AC power cord SERVICE NOTE ·····································································2 1. GENERAL ··········································································3 2. DISASSENBLY ·································································9 3. TEST MODE ····································································13 4. DIAGRAMS 4-1. Circuit Boards Location··············································17 4-2. Block Diagram Digital Section·······························18 4-3. Block Diagram Main/Power Section·······················19 4-4. Printed Wiring Board Digital Section·····················20 4-5. Schematic Diagram Digital Section (1/2)···············22 4-6. Schematic Diagram Digital Section (2/2)···············23 4-7. Printed Wiring Board DAC Section························24 4-8. Schematic Diagram DAC Section (1/2)··················26 4-9. Schematic Diagram DAC Section (2/2)··················27 4-10. Schematic Diagram Display Section·······················28 4-11. Printed Wiring Board Display Section····················29 4-12. Schematic Diagram Main/Power Section················30 4-13. Printed Wiring Board Main/Power Section·············31 4-14. IC Pin Function···························································32 4-15. IC Block Diagrams······················································33 5. EXPLODED VIEWS 5-1. MAIN SECTION························································36 5-2. CHASSIS SECTION···················································37 6. ELECTRICAL PARTS LIST ·······································38
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3 SECTION 1 GENERAL This section is extracted from instruction manual. 10 GB Front Panel Parts Description 1?/1 switch Press to turn the receiver on and off. To avoid damaging your speakers, be sure to rotate the VOLUME control counterclockwise immediately after you turn on the receiver. STANDBY indicator Lights up when the receiver is turned off. 2Remote sensor When using the supplied remote, point it towards this sensor ( ). 3SLEEP indicator Lights up when the Sleep Timer function is activated (page 24). 4H.A.T.S. indicator Lights up during H.A.T.S. (High-quality digital Audio Transmission System) function is activated (page 25). 5DISPLAY button Press repeatedly to change the information in the display window as follows: v Index name of the component 1) v Model name of the component 2) When the built-in tuner is selected v Index name of the preset station 1) or program station name3) v Frequency 1) An index name appears only if one has been assigned to the selected component or preset station (page 22). 2) If the model name isnt known, the category of the component appears (e.g., CD or MD). If the category isnt known, Unknown appears. 3) Appears only during RDS reception (page 18). When you press the DISPLAY button while the Ping function is on, N N n n appears for a few seconds in the display of the currently selected component (page 25). Location of Parts This chapter provides information about the location and function of the buttons and controls on the front panel and supplied remote. 11 GB Location kf Parts 6Display Shows various types of information. 7BAND/< button Selects the FM or AM band. If you press this button while the receiver is turned off, the receiver automatically turns on and tunes to the station that was last received. Use this button to move the cursor when entering an index name for a component or preset station. 8TUNE MODE/> button When the built-in tuner is selected, press to select the tuning mode. The mode indication appears in the display as follows: To select Press TUNE MODE repeatedly to light up Manual TuningMANUAL Automatic Tuning AUTO Preset Tuning PRESET Use this button to move the cursor when entering an index name for a component or preset station. 9Jog dial Rotate to select the program source, tune to stations, preset the stations, enter index names, or change settings. q;JOG MENU button Press repeatedly to change the jog dial function. The indication corresponding to the jog dial function appears in the display as follows: To Press JOG MENU repeatedly to display Select a componentA component name Adjust the sound Sound Menu Make various settingsSetup Menu Receive broadcasts* Station name or frequency *Selectable only when the built-in tuner is selected. After a component name appearsRotate the jog dial to select the component you want to use. After Sound Menu appearsYou can use the jog dial and ENTER button to adjust the sound (page 14). After Setup Menu appearsYou can use the jog dial and ENTER button to preset radio stations (page 19), name preset stations or connected components (page 22), or make other settings (page 24). After a station name or frequency appearsYou can use the jog dial to select a preset station (page 20) or tune to a radio station either manually (page 18) or automatically (page 19). qaENTER button Press to enter a setting made with the jog dial. qsVOLUME control After turning on the selected component, rotate to adjust the volume. qdMUTING indicator Lights up when the MUTING button on the supplied remote is pressed. qfi connector Connects headphones. When the headphones are connected, the kutput to the speakers is automatically cut off. i IBANDTUNE MODE JOG MENU ENTER MUTING VOLUME STANDBY SLEEP H.A.T.SDISPLAY ?/1 A NM BECD GFHJKLI