Related Manuals for Sony SRF-PSY04
Summary of Contents for Sony SRF-PSY04
- Page 1 SRF-PSY04 SERVICE MANUAL US Model Ver 1.0 1999. 06 Photo: Blue model SPECIFICATIONS FM STEREO/AM PLL SYNTHESIZED RADIO MICROFILM...
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Page 2: Table Of Contents
TABLE OF CONTENTS GENERAL ..............3 DISASSEMBLY ............4 ELECTRICAL ADJUSTMENTS ......5 DIAGRAMS 4-1. Block Diagram ..............7 4-2. Printed Wiring Boards ............. 9 4-3. Schematic Diagram ............11 4-4. IC Pin Function Description ........... 15 EXPLODED VIEW ........... 16 ELECTRICAL PARTS LIST ....... -
Page 3: General
SECTION 1 This section is extracted from instruction manual. GENERAL – 3 –... -
Page 4: Disassembly
SECTION 2 DISASSEMBLY Note: Follow the disassembly procedure in the numerical order given. FRONT CABINET 4 front cabinet 3 two claws 3 two claws 1 lid, battery case 2 two screws (P2 × 8) MAIN BOARD, KEY BOARD 2 KEY board 2 MAIN board 1 two claws –... -
Page 5: Electrical Adjustments
SECTION 3 ELECTRICAL ADJUSTMENTS AM IF ADJUSTMENT 0 dB=1 µV Adjust for a maximum reading on level meter [AM] 450 kHz Setting: BAND switch: AM AM FREQUENCY COVERAGE ADJUSTMENT Put the lead-wire Adjustment Part Frequency Display Reading on Digital Voltmeter AM RF signal antenna close to generator... - Page 6 Adjustment Location: – MAIN BOARD (Component Side) – – MAIN BOARD (Conductor Side) – FM Stereo (76 kHz) Adjustment AM Frequency Coverage Adjustment FM Tracking Adjustment AM IF Adjustment AM Tracking Adjustment TP (76 kHz) TP (ANT) TP (VT) – 6 –...
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Page 7: Diagrams
SRF-PSY04 SECTION 4 DIAGRAMS 4-1. BLOCK DIAGRAM VREF 10.7MHz HEADPHONE AMP FM/AM FRONT-END, FM/AM DET, MPX L-CH REGULATOR FM SENS POWER OUT2 FM/AM FM RF –1 MIX OUT 10.7MHz IF IN DECODER FM IF AMP/ B.P.F. FRONT-END DISCRI R-CH POWER OUT1 –2... -
Page 9: Schematic Diagram
SRF-PSY04 4-3. SCHEMATIC DIAGRAM • See page 13 for Waveforms. • See page 14 for IC Block Diagrams. Note on Schematic Diagram: • All capacitors are in µF unless otherwise noted. pF: µµF no mark : FM 50 WV or less are not indicated except for electrolytics ) : AM 〈〈... - Page 10 • Waveforms • IC Block Diagrams – KEY Board – – MAIN Board – IC1 CXA1238M-T6 1 IC101 !™ XOUT 500 mV/DIV, 10 µs/DIV 1.2 Vp-p FM FRONT-END AM FRONT-END REGULATOR 13.3 µ s 2 IC101 !£ XIN FM IF/ DISCRI REGULATOR 500 mV/DIV, 10 µs/DIV...
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Page 11: 4-4. Ic Pin Function Description
4-4. IC PIN FUNCTION DESCRIPTION • KEY BOARD IC101 µPD17015GS-520-GJG (SYSTEM CONTROLLER, LIQUID CRYSTAL DISPLAY DRIVER, KEY CONTROL) Pin No. Pin Name Description Key return signal input for the key matrix 2 to 5 PC0 to PC3 Key scan signal output for the key matrix BEEP Beep sound drive signal output terminal BAND... -
Page 12: Exploded View
SECTION 5 EXPLODED VIEW NOTE: • -XX and -X mean standardized parts, so they • Items marked “*” are not stocked since they may have some difference from the original are seldom required for routine service. Some one. delay should be anticipated when ordering •... -
Page 13: Electrical Parts List
SECTION 6 MAIN ELECTRICAL PARTS LIST NOTE: • Due to standardization, replacements in the • Items marked “*” are not stocked since they are seldom required for routine service. parts list may be different from the parts speci- fied in the diagrams or the components used Some delay should be anticipated when order- on the set. - Page 14 MAIN Ref. No. Part No. Description Remark Ref. No. Part No. Description Remark 1-163-031-11 CERAMIC CHIP 0.01uF < COIL > 1-163-129-00 CERAMIC CHIP 330PF 1-163-227-11 CERAMIC CHIP 10PF 0.5PF 1-428-772-11 COIL, AIR-CORE 1-163-009-11 CERAMIC CHIP 0.001uF 1-501-781-11 ANTENNA, FERRITE-ROD (AM) 1-101-004-00 CERAMIC 0.01uF 1-411-529-11 COIL, AIR-CORE (FM RF)
- Page 15 Ref. No. Part No. Description Remark Ref. No. Part No. Description Remark ACCESSORIES & PACKING MATERIALS ******************************** 3-028-093-01 CLIP 3-036-709-01 CHAIN 3-037-724-01 GUARD (YELLOW)... (BLUE) 3-037-724-11 GUARD (BLUE)... (VIOLET) 3-867-370-11 MANUAL, INSTRUCTION (ENGLISH) (US) 8-953-342-99 HEADPHONE, STEREO MDR-24 – 19 –...
- Page 16 SRF-PSY04 Sony Corporation 99F0520-1 9-927-137-11 Personal Audio Company Printed in Japan © 1999. 6 – 20 – Published by General Engineering Dept.