Sony DREAM MACHINE ICF-C793 Скачать руководство пользователя страница 22 | Manualshive

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Содержание DREAM MACHINE ICF-C793

Страница 1: ...FM AM PLL SYNTHESIZED CLOCK RADIO ICF C793L FM MW LW PLL SYNTHESIZED CLOCK RADIO US Model Canadian Model Australian Model ICF C793 AEP Model ICF C793 C793L UK Model ICF C793L SPECIFICATIONS ICF C793 C793L Photo ICF C793L Ver 1 0 1999 02 ...

Страница 2: ... parts for AC leakage Check leakage as described below LEAKAGE TEST The AC leakage from any exposed metal part to earth ground and from all exposed metal parts to any exposed metal part having a return to chassis must not exceed 0 5 mA 500 microampers Leakage current can be measured by any one of three methods 1 A commercial leakage tester such as the Simpson 229 or RCA WT 540A Follow the manufact...

Страница 3: ... 3 SECTION 1 GENERAL This section is extracted from instruction manual LOCATION OF CONTROLS ...

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Страница 5: ... P3 14 2 three claws 2 claw 6 button DST 5 Break the soldering of speaker lead 7 chassis assy 3 rear cabinet 6 knob brightness 1 four screws P3 14 4 connector CN301 rear cabinet power cord boss rear cabinet power cord Put the secondary flat cable between bosses to fix Set the power cord as illustrated below then install the cabinet ...

Страница 6: ...mum reading on level meter L1 2 162 kHz TC2 243 kHz AM IF ADJUSTMENT Adjust for a maximum reading on level meter T1 450 kHz 1 Except US Canadian models 2 ICF C793L SECTION 3 ELECTRICAL ADJUSTMENTS 0 dB 1 µV FM Setting Band switch FM AM MW LW AM ICF C793 MW LW ICF C793L Setting Band switch AM MW LW Repeat the procedures in each adjustment several times and the frequency coverage and tracking adjust...

Страница 7: ...3 TC3 FM Tracking Adjustment T1 AM IF TC1 AM MW Tracking Adjustment L4 FM VCO Voltage Adjustment L5 AM MW VCO Voltage Adjustment TC4 LW VCO Voltage Adjustment TP VT TP SP TP SP GND TP FM IN MAIN BOARD Component Side MAIN BOARD Conductor Side Adjustment Location ICF C793L ...

Страница 8: ... C793L TC4 TC3 VR1 VOL L4 FM VCO VOLTAGE D74 A RADIO D75 B BUZZER S50 BRIGHTNESS LCD BACK LIGHT D70 73 LCD BACK LIGHT D74 D75 2 1 L5 AM MW VCO VOLTAGE TC4 LW VCO VOLTAGE L1 TC1 AM TRACKING L3 TC3 FM TRACKING T1 AM IF B P F BPF1 LOW PASS FILTER Q50 51 LED DRIVE Q53 54 MUTING Q4 SIGNAL PATH FM AM MW LW 05 D1 2 D2 D3 AC IN BACKUP B SYSTEM CONTROLLER IC100 B B BZ CTRL 35 ALM A 6 ALM B 7 BUZZER 36 DATA...

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Страница 10: ...ace only with part number specified Note Les composants identifiés par une marque sont critiques pour la sécurité Ne les remplacer que par une piéce portant le numéro spécifié Waveforms MAIN BOARD 1 IC50 2 X IN 1 V DIV 10 µs DIV 3 IC100 X1 1 V DIV 500 ms DIV IC Block Diagrams MAIN BOARD IC1 CXA1019M IC50 BU2614FS FM FE TUNING METER AM IF DET AGC AF POWER AMP FM IF FM AM IF OUT FM RF IN FE GND NC A...

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Страница 14: ...0PF 0 5PF 50V C793L C41 1 126 934 11 ELECT 220uF 20 10V C42 1 128 551 11 ELECT 22uF 20 25V C43 1 109 982 11 CERAMIC CHIP 1uF 10 10V C44 1 109 982 11 CERAMIC CHIP 1uF 10 10V C45 1 126 934 11 ELECT 220uF 20 10V C46 1 163 263 11 CERAMIC CHIP 330PF 5 50V C793L C47 1 163 021 11 CERAMIC CHIP 0 01uF 10 50V C48 1 163 077 00 CERAMIC CHIP 0 1uF 10 25V C50 1 163 021 11 CERAMIC CHIP 0 01uF 10 50V C51 1 163 00...

Страница 15: ...1 B BUZZER LCD BACK LIGHT D100 8 719 074 44 DIODE 1SS120RX D101 8 719 988 61 DIODE 1SS355TE 17 D102 8 719 988 61 DIODE 1SS355TE 17 D351 8 719 031 85 DIODE 1N4002L D352 8 719 031 85 DIODE 1N4002L D353 8 719 031 85 DIODE 1N4002L D354 8 719 031 85 DIODE 1N4002L D355 8 719 074 44 DIODE 1SS120RX IC IC1 8 752 050 16 IC CXA1019M IC50 8 759 188 85 IC BU2614FS IC100 8 759 571 48 IC uPD753106GC 053 AB8 IC10...

Страница 16: ...R63 1 216 029 00 METAL CHIP 150 5 1 10W R64 1 216 029 00 METAL CHIP 150 5 1 10W R65 1 216 029 00 METAL CHIP 150 5 1 10W R66 1 216 182 00 RES CHIP 220 5 1 8W R67 1 216 182 00 RES CHIP 220 5 1 8W R69 1 216 041 00 METAL CHIP 470 5 1 10W R75 1 216 065 00 RES CHIP 4 7K 5 1 10W C793L R133 1 216 065 00 RES CHIP 4 7K 5 1 10W R134 1 216 065 00 RES CHIP 4 7K 5 1 10W R135 1 216 065 00 RES CHIP 4 7K 5 1 10W R...

Страница 17: ...NTENNA FERRITE ROD AM C793 L1 1 754 040 11 ANTENNA FERRITE ROD LW MW C793L ACCESSORIES PACKING MATERIALS 3 865 471 11 MANUAL INSTRUCTION ENGLISH FRENCH GERMAN DUTCH C793 CND AEP AUS C793L 3 865 471 21 MANUAL INSTRUCTION ENGLISH C793 US 3 865 471 31 MANUAL INSTRUCTION ENGLISH ITALIAN SPANISH PORTUGUESE C793 AEP C793L FR 3 865 471 41 MANUAL INSTRUCTION ENGLISH SWEDISH DANISH FINNISH C793 AEP MAIN KE...

Страница 18: ...M PLL SYNTHESIZED CLOCK RADIO ICF C793L FM MW LW PLL SYNTHESIZED CLOCK RADIO US Model Canadian Model E Model Australian Model ICF C793 AEP Model ICF C793 C793L UK Model ICF C793L SPECIFICATIONS ICF C793 C793L Photo ICF C793L Ver 1 1 1999 06 ...

Страница 19: ...aged by heat SAFETY CHECK OUT After correcting the original service problem perform the follow ing safety check before releasing the set to the customer Check the antenna terminals metal trim metallized knobs screws and all other exposed metal parts for AC leakage Check leakage as described below LEAKAGE TEST The AC leakage from any exposed metal part to earth ground and from all exposed metal par...

Страница 20: ... used two ceramic filters of CF2 and CF3 You must used same type of color marked ceramic filters in order to meet same specifications Therefore the ceramic filter must changed two pieces together since it s supply two pieces in one package as a spare parts SECTION 1 SERVICING NOTES Discrimination of MAIN board MAIN BOARD Component Side 1 671 839 11 or 1 671 839 12 ...

Страница 21: ... 4 SECTION 2 GENERAL This section is extracted from instruction manual LOCATION OF CONTROLS ...

Страница 22: ... 5 ...

Страница 23: ... P3 14 2 three claws 2 claw 6 button DST 5 Break the soldering of speaker lead 7 chassis assy 3 rear cabinet 6 knob brightness 1 four screws P3 14 4 connector CN301 rear cabinet power cord boss rear cabinet power cord Put the secondary flat cable between bosses to fix Set the power cord as illustrated below then install the cabinet ...

Страница 24: ...ximum reading on level meter L1 2 162 kHz TC2 243 kHz AM IF ADJUSTMENT Adjust for a maximum reading on level meter T1 450 kHz 1 Except US Canadian models 2 ICF C793L SECTION 4 ELECTRICAL ADJUSTMENTS 0 dB 1 µV FM Setting Band switch FM AM MW LW AM ICF C793 MW LW ICF C793L Setting Band switch AM MW LW Repeat the procedures in each adjustment several times and the frequency coverage and tracking adju...

Страница 25: ...3 TC3 FM Tracking Adjustment T1 AM IF TC1 AM MW Tracking Adjustment L4 FM VCO Voltage Adjustment L5 AM MW VCO Voltage Adjustment TC4 LW VCO Voltage Adjustment TP VT TP SP TP SP GND TP FM IN MAIN BOARD Component Side MAIN BOARD Conductor Side Adjustment Location ICF C793L ...

Страница 26: ...me I O Description 1 BIAS O Liquid crystal display drive bias control output terminal 2 to 4 VLC0 to VLC2 Terminal for doubler circuit capacitor connection to develop liquid crystal display drive voltage 5 NC O Not used open 6 ALM A O LED drive signal output of the LCD back light LED D74 H output at alarm A setting LED on 7 ALM B O LED drive signal output of the LCD back light LED D75 H output at ...

Страница 27: ...s remplacer que par une pièce portant le numéro spécifié Waveforms MAIN board 1 IC50 2 X IN 1 V DIV 10 µs DIV 3 IC100 X1 1 V DIV 500 ms DIV IC Block Diagrams MAIN board IC1 CXA1019M IC50 BU2614FS FM FE TUNING METER AM IF DET AGC AF POWER AMP FM IF FM AM IF OUT FM RF IN FE GND NC AM RF IN FM RF FM OSC REG OUT AFC AM OSC NF VOL FM DISCRI GND FM AM BAND SELECT FM IF IN AM IF IN NC METER IF GND DET OU...

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Страница 30: ...E WHITE RED Parts Color Cabinet s Color Abbreviation AUS Australian model CND Canadian model FR French model SP Singapore model 1 CABINET SECTION Ref No Part No Description Remark Ref No Part No Description Remark 1 7 685 649 79 SCREW P 3X14 TYPE2 NON SLIT 2 3 368 852 01 FOOT 3 X 3377 454 1 CABINET FRONT SUB ASSY C793 AEP SP AUS 3 X 3377 083 1 CABINET ASSY C793 US CND 3 X 3377 215 1 CABINET ASSY C...

Страница 31: ... 3X14 TYPE2 NON SLIT 55 3 032 461 01 BUTTON MAIN 56 1 671 840 11 MAIN KEY BOARD 57 3 032 459 01 CHASSIS 58 3 919 268 01 KNOB VOL 59 3 033 972 01 HOLDER FERRITE ROD ANTENNA L1 1 754 039 11 ANTENNA FERRITE ROD AM C793 L1 1 754 040 11 ANTENNA FERRITE ROD LW MW C793L LCD100 1 803 446 11 DISPLAY PANEL LIQUID CRYSTAL ANT1 1 501 907 21 ANTENNA FM WIRE FM LEAD ANTENNA Ref No Part No Description Remark Ref...

Страница 32: ...0PF 0 5PF 50V C793L C41 1 126 934 11 ELECT 220uF 20 10V C42 1 128 551 11 ELECT 22uF 20 25V C43 1 109 982 11 CERAMIC CHIP 1uF 10 10V C44 1 109 982 11 CERAMIC CHIP 1uF 10 10V C45 1 126 934 11 ELECT 220uF 20 10V C46 1 163 263 11 CERAMIC CHIP 330PF 5 50V C793L C47 1 163 021 11 CERAMIC CHIP 0 01uF 10 50V C48 1 163 077 00 CERAMIC CHIP 0 1uF 10 25V C50 1 163 021 11 CERAMIC CHIP 0 01uF 10 50V C51 1 163 00...

Страница 33: ...D BACK LIGHT D75 8 719 075 78 LED TLYE262A K51 SOY P B BUZZER LCD BACK LIGHT D100 8 719 074 44 DIODE 1SS120RX D101 8 719 988 61 DIODE 1SS355TE 17 D102 8 719 988 61 DIODE 1SS355TE 17 D351 8 719 031 85 DIODE 1N4002L D352 8 719 031 85 DIODE 1N4002L D353 8 719 031 85 DIODE 1N4002L D354 8 719 031 85 DIODE 1N4002L D355 8 719 074 44 DIODE 1SS120RX IC IC1 8 752 050 16 IC CXA1019M IC50 8 759 188 85 IC BU26...

Страница 34: ...7 5 1 8W R57 1 216 198 00 RES CHIP 1K 5 1 8W R58 1 216 198 00 RES CHIP 1K 5 1 8W R59 1 216 198 00 RES CHIP 1K 5 1 8W R61 1 216 017 00 RES CHIP 47 5 1 10W R62 1 216 029 00 METAL CHIP 150 5 1 10W R63 1 216 029 00 METAL CHIP 150 5 1 10W R64 1 216 029 00 METAL CHIP 150 5 1 10W R65 1 216 029 00 METAL CHIP 150 5 1 10W R66 1 216 182 00 RES CHIP 220 5 1 8W R67 1 216 182 00 RES CHIP 220 5 1 8W R69 1 216 04...

Страница 35: ...OWER C793L UK 10 1 783 817 11 CORD POWER C793 US CND 10 1 790 431 11 CORD POWER C793 AUS L1 1 754 039 11 ANTENNA FERRITE ROD AM C793 L1 1 754 040 11 ANTENNA FERRITE ROD LW MW C793L SP301 1 504 748 21 SPEAKER 6 6cm ACCESSORIES PACKING MATERIALS 3 865 471 11 MANUAL INSTRUCTION ENGLISH FRENCH GERMAN DUTCH C793 CND AEP SP AUS C793L 3 865 471 21 MANUAL INSTRUCTION ENGLISH C793 US 3 865 471 31 MANUAL IN...

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