Sony SRF-M73 Operating Instructions (primary manual) Скачать руководство пользователя | Manualshive

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MICROFILM

SERVICE MANUAL

FM STEREO/AM PLL SYNTHESIZED RADIO

US Model

Panama Model

SPECIFICATIONS

SRF-M73

Ver 1.0 1999. 03

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Содержание SRF-M73 Operating Instructions (primary manual)

Страница 1: ...MICROFILM SERVICE MANUAL FM STEREO AM PLL SYNTHESIZED RADIO US Model Panama Model SPECIFICATIONS SRF M73 Ver 1 0 1999 03 ...

Страница 2: ...EWS 19 7 ELECTRICAL PARTS LIST 20 Forced Reset The system microprocessor can be reset in the following proce dure Use these procedure when the unit cannot be worked normally due to the overrunning of the microprocessor etc Procedure 1 Set to radio OFF 2 While pressing the SCAN button press two buttons of START STOP and BAND simultaneously for 5 seconds 3 The unit is reset and display blinking AM 1...

Страница 3: ... 3 SECTION 2 GENERAL This section is extracted from instruction manual ...

Страница 4: ...ard Main Board Knob A Cabinet Rear Assy Cabinet Front Assy 2 three screws B1 7 8 2 two screws B1 7 8 1 Remove the battery case lid of the arrow 3 cabinet front assy 4 cabinet rear assy 1 three claws 2 Open the key board to direction of the arrow 1 four claws Note Follow the disassembly procedure in the numerical order given ...

Страница 5: ...OB A Note Check that two switch S1 S2 is latched with two adaptors when carrying out installation 2 screw B1 7 8 1 Remove two solders 3 knob vol 4 two claws S1 S2 5 main board 2 two knobs A 1 claw 1 claw 3 two adaptors ...

Страница 6: ...e tracking adjustments should be finally done by the trimmer ca pacitors Adjustment Location Main Board See page 7 FM RF signal generator 22 5 kHz frequency deviation by 400 Hz signal Output level as low as possible level meter 2 jack J1 set MAIN board TP FM IN 32 Ω 0 01 µF digital voltmeter MAIN board TP VT FM Free Run Adjustment Setting Procedure 1 Connect the frequency counter to TP MPX as show...

Страница 7: ...ET MPX IC1 RT1 FM FREE RUN L4 AM VCO VOLTAGE CT2 L2 FM TRACKING S1 FM SENS T1 AM IF CT1 L1 AM TRACKING L P F B P F BPF1 FM VCO BUFFER Q1 FM AM BAND SELECT SWITCH Q3 COMPARATOR IC4 1 2 LIQUID CRYSTAL DISPLAY LCD101 VOLTAGE DETECT IC102 B SWITCH Q104 DC DC CONVERTER Q103 T101 B SWITCH Q6 AM IF BUFFER Q4 5 LOW PASS FILTER Q101 SIGNAL PATH FM AM 05 POWER AMP MUTE CONTROL RIPPLE FILTER Q2 KEY MATRIX S1...

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Страница 9: ...nd tantalums All resistors are in Ω and 1 4 W or less unless otherwise specified internal component C panel designation U B Line H adjustment for repair Power voltage is dc 3 V and fed with regulated dc power supply from battery terminal Voltages and waveforms are dc with respect to ground under no signal detuned conditions no mark FM AM Voltages are taken with a VOM Input impedance 10 MΩ Voltage ...

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Страница 14: ... 1uF 10 25V C23 1 164 227 11 CERAMIC CHIP 0 022uF 10 25V C24 1 164 227 11 CERAMIC CHIP 0 022uF 10 25V C25 1 164 346 11 CERAMIC CHIP 1uF 16V C26 1 164 336 11 CERAMIC CHIP 0 33uF 25V C27 1 164 336 11 CERAMIC CHIP 0 33uF 25V C28 1 163 021 11 CERAMIC CHIP 0 01uF 10 50V C29 1 164 004 11 CERAMIC CHIP 0 1uF 10 25V C30 1 163 809 11 CERAMIC CHIP 0 047uF 10 25V C31 1 104 912 11 TANTALUM CHIP 3 3uF 20 6 3V C...

Страница 15: ... 849 11 METAL CHIP 220K 5 1 16W R20 1 216 065 00 RES CHIP 4 7K 5 1 10W R21 1 216 101 00 METAL CHIP 150K 5 1 10W R22 1 216 101 00 METAL CHIP 150K 5 1 10W R23 1 216 845 11 METAL CHIP 100K 5 1 16W R24 1 216 821 11 METAL CHIP 1K 5 1 16W R25 1 216 833 11 RES CHIP 10K 5 1 16W R26 1 216 833 11 RES CHIP 10K 5 1 16W R27 1 216 821 11 METAL CHIP 1K 5 1 16W R28 1 216 821 11 METAL CHIP 1K 5 1 16W R30 1 216 073...

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