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STR-LSA1 SERVICE MANUAL AEP Model UK Model SPECIFICATIONS Amplifier section FM tuner section AM tuner section Power output 50 W + 50 W (4 ohms Tuning range 87.5 - 108.0 MHz Tuning range 531 - 1602 kHz DIN, 1 kHz)
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.
SECTION 2 DISASSENBLY Note : Follow the disassembly procedure in the numerical order given. 4 Four screws (CASE) 2-1. TOP CASE 5 Top case 3 Bottom case 2 Two foot assy's 2 Two foot assy's 1 Two screws (BVTP 3 × 8) 1 Two screws (BVTP 3 ×...
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2-3. PANEL BASE ASSY 1 Four screws (BVTP 3 × 8) 2 Plate (side), ornamental 5 Connector (CN503) 4 Plate (side), ornamental 8 Lug 3 Four screws (BVTP 3 × 8) 6 Flat type wire 7 Two screws (CN107) 8 Lug (TP), Flat head 9 Panel base assy 2-4.
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2-6. DC FAN (M1) 4 Screw 5 Duct cover (T) (BVTP 3 × 8) 6 DC fan (M1) 3 Connector (CN8) 2 Duct cover (B) 1 Screw (BVTP 3 × 8) 2-7. PS BOARD, MAIN BOARD AND DIGITAL BOARD 6 Connector (CN506) 8 Two screws (BVTT 2.6 ×...
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2-8. TS BOARD 1 Screw (BVTP 3 × 8) 2 Bracket 3 TS board 2-9. SP BOARD 2 Cord bushing and AC power cord 1 Three screws (BVTP 3 × 8) 4 Screw 7 SP board (BVTP 3 × 10) 3 Five screws (BVTP 3 ×...
SECTION 3 TEST MODE How to Enter the Test Mode Press the three buttons of JOG MENU , DISPLAY and ?/1 at the same time in the STANDBY mode to enter the test mode. How to Exit the Test Mode Press the ?/1 button to enter the STANDBY mode and the machine exits the test mode.
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9) i.LINK Check When the DISPSLAY button is pressed while the message “i.LINK Check” is being displayed, the machine enters the i.LINK TEST mode. The initial display is “<[BACK]>”. When the DISPLAY button is pressed while the initial display is being shown, the message returns to the i.LINK Check display.
SECTION 4 DIAGRAMS • WAVEFORMS — RDS BOARD — — DIGITAL BOARD — THIS NOTE IS COMMON FOR PRINTED WIRING BOARDS AND SCHEMATIC DIAGRAMS. (In addition to this, the necessary note is printed in each block.) IC52 qf (XO) IC109 es (XO) Note on Schematic Diagram: Note on Printed Wiring Boards: •...
STR-LSA1 • See page 17 for Circuit Boards Location. 4-4. PRINTED WIRING BOARD DIGITAL SECTION There are a few cases that the part printed on this diagram isn’t mounted in this model. (Page 24) (Page 24) • Semiconductor Location Ref. No. Location...
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STR-LSA1 There are a few cases that the part printed on this diagram isn’t mounted in this model. • Semiconductor Location Ref. No. Location IC101 IC102 IC103 IC104 IC105 IC106 IC107 IC108 IC109 IC110 IC111 IC112 IC113 IC114 IC115 IC116...
STR-LSA1 4-6. SCHEMATIC DIAGRAM DIGITAL SECTION (2/2) PIN FUNCTION This is a written EEPROM. Not supplied in independently but is supplied as the DIGITAL BOARD, COMPLETE.
STR-LSA1 • See page 17 for Circuit Boards Location. 4-7. PRINTED WIRING BOARD DAC SECTION There are a few cases that the part printed on this diagram isn’t mounted in this model. (Page 20) (Page 20) • Semiconductor Location Ref. No. Location...
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STR-LSA1 There are a few cases that the part printed on this diagram isn’t mounted in this model. • Semiconductor Location Ref. No. Location IC301 IC302 IC303 IC306 IC308 IC309 IC310 IC312 IC313 IC314 IC315 IC317 IC318 Q303 Q304 Q307...
STR-LSA1 4-11. PRINTED WIRING BOARD DISPLAY SECTION • See page 17 for Circuit Boards Location. There are a few cases that the part printed on this diagram isn’t mounted in this model. (Page 20) • Semiconductor Location Ref. No. Location...
STR-LSA1 4-13. PRINTED WIRING BOARD MAIN/POWER SECTION • See page 17 for Circuit Boards Location. There are a few cases that the part printed on this diagram isn’t mounted in this model. • Semiconductor Location Ref. No. Location D501 D502...
4-14. IC PIN FUNCTION IC114 SYSTEM CONTROL (M30624MG-300FP)(DIGITAL board) Pin No. Pin Name Description Pin No. Pin Name Description 1 to 7 DOP6 to DOP0 Data output 65 to 72 A7 to A0 Address output for AUDIO-LINK BYTE Data bus width select input “L”=8bit, “H”=16bit 73 to 88 D15 to D0 Data input/output for AUDIO-LINK...
SECTION 5 EXPLODED VIEWS NOTE: • -XX, -X mean standardized parts, so they may • The mechanical parts with no reference number The components identified by mark 0 or have some differences from the original one. in the exploded views are not supplied. dotted line with mark 0 are critical for safety.
5-2. CHASSIS SECTION supplied supplied supplied supplied not supplied supplied supplied not supplied Ref. No. Part No. Description Remarks Ref. No. Part No. Description Remarks 3-704-515-02 SCREW (BV RING) 1-675-041-11 SPEAKER TERMINAL BOARD 1-675-341-11 POWER BOARD A-4428-675-A MAIN BOARD, COMPLETE 1-677-967-11 RDS BOARD A-4428-682-A DIGITAL BOARD, COMPLETE 1-773-006-11 WIRE (FLAT TYPE) (15 CORE)
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SECTION 6 ELECTRICAL PARTS LIST NOTE: • Due to standardization, replacements in the • CAPACITORS: • SEMICONDUCTORS parts list may be different from the parts uF: µF In each case, u: µ, for example: specified in the diagrams or the components •...
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Ref. No. Part No. Description Remarks Ref. No. Part No. Description Remarks C389 1-119-825-11 ELECT 22uF 20.00% 25V IC307 8-759-557-23 IC M62362P C390 1-115-339-11 CERAMIC CHIP 0.1uF 10.00% 50V IC308 8-759-711-85 IC NJM4580E-D(T1) C391 1-115-339-11 CERAMIC CHIP 0.1uF 10.00% 50V IC309 8-759-711-85 IC NJM4580E-D(T1) C392...
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DIGITAL Ref. No. Part No. Description Remarks Ref. No. Part No. Description Remarks R333 1-216-603-11 METAL CHIP 0.5% 1/10W R398 1-208-425-41 RES-CHIP 1/10W R334 1-216-613-11 METAL CHIP 0.5% 1/10W R399 1-208-425-41 RES-CHIP 1/10W R335 1-216-613-11 METAL CHIP 0.5% 1/10W R400 1-208-425-41 RES-CHIP 1/10W R336...