Sony SRF-PSY04 Service Manual Download Page 1 | Manualshive

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MICROFILM

SERVICE MANUAL

FM STEREO/AM PLL

SYNTHESIZED RADIO

US Model

SPECIFICATIONS

SRF-PSY04

Photo: Blue model

Ver 1.0 1999. 06

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Summary of Contents for SRF-PSY04

Page 1: ...MICROFILM SERVICE MANUAL FM STEREO AM PLL SYNTHESIZED RADIO US Model SPECIFICATIONS SRF PSY04 Photo Blue model Ver 1 0 1999 06 ...

Page 2: ...ip component Notice that the minus side of a tantalum capacitor may be dam aged by heat CF3 CF1 mark Mark Center frequency red 10 70 MHz blue 10 67 MHz orange 10 73 MHz black 10 64 MHz white 10 76 MHz HOW TO CHANGED THE CERAMIC FILTERS This model is used two ceramic filters of CF1 and CF3 You must use same type of color marked ceramic filters in order to meet same specifications Therefore the cera...

Page 3: ... 3 SECTION 1 GENERAL This section is extracted from instruction manual ...

Page 4: ...IN BOARD KEY BOARD SECTION 2 DISASSEMBLY Note Follow the disassembly procedure in the numerical order given 4 front cabinet 3 two claws 1 lid battery case 2 two screws P2 8 3 two claws 1 two claws 2 KEY board 2 MAIN board ...

Page 5: ...he trimmer ca pacitors Adjustment Location Main Board See page 6 FM RF signal generator 22 5 kHz frequency deviation by 400 Hz signal Output level as low as possible level meter 2 headphones jack J1 set MAIN board TP ANT 16 Ω 0 01 µF digital voltmeter MAIN board TP VT FM STEREO 76 kHz Adjustment Setting BAND switch FM FM SENS switch DX Procedure 1 Connect the frequency counter to TP 76 kHz as show...

Page 6: ...ustment Location MAIN BOARD Conductor Side IC2 IC1 J1 RV1 FM Stereo 76 kHz Adjustment L5 AM Frequency Coverage Adjustment CT2 L3 FM Tracking Adjustment T1 AM IF Adjustment L2 CT1 AM Tracking Adjustment L1 L4 IC1 TP 76 kHz TP ANT TP VT ...

Page 7: ...z L5 AM FREQUENCY COVERAGE CT2 L3 FM TRACKING S1 FM SENS T1 AM IF CT1 L2 AM TRACKING L P F B P F FM VCO BUFFER Q1 FM AM BAND SELECT SWITCH Q2 LIQUID CRYSTAL DISPLAY LCD101 VOLTAGE DETECT IC102 B SWITCH Q103 104 DC DC CONVERTER Q106 107 T101 LOW PASS FILTER Q101 102 SIGNAL PATH FM AM 05 POWER AMP MUTE CONTROL KEY MATRIX S101 111 PC0 PC3 PB0 PB2 X1 75kHz SYSTEM CONTROLLER IC101 B FM AM TUNER IC1 HEA...

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Page 9: ...fed with regulated dc power supply from battery terminal Voltages and waveforms are dc with respect to ground under no signal detuned conditions 4 3 SCHEMATIC DIAGRAM See page 13 for Waveforms See page 14 for IC Block Diagrams no mark FM AM POWER OFF Voltages are taken with a VOM Input impedance 10 MΩ Voltage variations may be noted due to normal production toler ances Waveforms are taken with a o...

Page 10: ...ECORD AMP MUTING AUTO BLEND TUNING INDICATOR AM IF DET FM IF DISCRI RIPPLE FILTER BAND PASS MUTE 1 27 28 29 30 24 25 26 21 22 23 18 19 20 16 17 2 3 4 5 6 7 8 9 PLL LPF1 PILOT DET LPF2 PILOT DET LPF2 ST IND VCO CHECK L CH OUT VCC R CH OUT RIPPLE FILTER AGC AFC1 10 AGC AFC2 13 FM IF IN 14 AM IF IN 15 BAND SELECT 11 GND 12 TUNE IND 1 2 COUNTER 1 2 COUNTER PD1 PD2 FM AM FE OUT FM GND FM RF IN AM RF IN...

Page 11: ... H 12 XOUT O System clock output terminal 75 kHz 13 XIN I System clock input terminal 75 kHz 14 VDD Power supply terminal 3V 15 GND Ground terminal 16 EO O PLL error signal output terminal 17 VREG Power supply terminal connected to the coupling capacitor 18 VCOH I FM VCO input terminal 19 VCOL I AM VCO input terminal 20 to 28 LCD8 to LCD0 O Segment drive signal output to the liquid crystal display...

Page 12: ...art No Description Remark 1 3 925 196 21 CABINET REAR BLUE 1 3 925 196 31 CABINET REAR VIOLET 2 A 3679 692 A MAIN BOARD COMPLETE 3 3 925 201 01 SPRING BATTERY 4 3 925 198 11 PLATE TRANSPARENT for BLUE 4 3 925 198 21 PLATE TRANSPARENT for VIOLET 5 3 925 195 11 CABINET FRONT BLUE 5 3 925 195 21 CABINET FRONT VIOLET 6 1 762 412 21 SWITCH RUBBER KEY BLUE VIOLET 6 1 762 412 31 SWITCH RUBBER KEY VIOLET ...

Page 13: ... 235 11 CERAMIC CHIP 22PF 5 50V C123 1 163 031 11 CERAMIC CHIP 0 01uF 50V C124 1 163 038 00 CERAMIC CHIP 0 1uF 25V C125 1 126 518 11 ELECT 470uF 20 4V C126 1 124 434 00 ELECT 220uF 20 4V C127 1 163 031 11 CERAMIC CHIP 0 01uF 50V DIODE D102 8 719 988 61 DIODE 1SS355TE 17 D103 8 719 977 40 DIODE DTZ TT11 13 IC IC101 8 759 343 08 IC uPD17015GS 520 GJG IC102 8 759 542 36 IC S 80720AL AH T1 SHORT JC101...

Page 14: ...E 1T362 D3 8 713 100 11 DIODE 1T362 D4 8 719 800 76 DIODE 1SS226 IC IC1 8 752 062 48 IC CXA1238M T6 IC2 8 759 802 75 IC LA4533M JACK J1 1 770 894 11 JACK 2 HEADPHONES SHORT JC1 1 216 295 00 SHORT 0 COIL L1 1 428 772 11 COIL AIR CORE L2 1 501 781 11 ANTENNA FERRITE ROD AM L3 1 411 529 11 COIL AIR CORE FM RF L4 1 428 817 11 COIL AIR CORE FM OSC L5 1 406 485 11 COIL AM OSC L6 1 411 393 11 COIL TRAP T...

Page 15: ...ef 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 ...

Page 16: ... 20 SRF PSY04 Sony Corporation Personal Audio Company 9 927 137 11 99F0520 1 Printed in Japan 1999 6 Published by General Engineering Dept ...

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