Sony Dream Machine ICF-C723L Скачать руководство пользователя страница 5

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INSTALLATION POWER CORD

2-3. MAIN BOARD, KEY BOARD, TRANSFORMER (PRIMARY) BOARD,
TRANSFORMER (SECONDARY) BOARD, REMOVAL

Claw

Transformer (primary) board

Transformer (secondary) board

Claw

P (3x14)

CN1

Power transformer (T201)

Shield case (transformer)

Main board

Cabinet (lower)

Key board

power cord

Cabinet (lower)

US model

EXCEPT US model

Содержание Dream Machine ICF-C723L

Страница 1: ...frequency display is raised or lowerd by steps of 0 1MHz Example Frequency 88 05 MHz is displayed as 88 0 MHz DIGITAL VOICE MEMO Recording section Recording media Built in flash memory Recording time 20 seconds Frequecy response 400Hz 2 700Hz General Time display US Canadian UK model 12 hour EXCEPT US Canadian UK model 24 hour Speaker Approx 5 7 cm 2 1 4 in dia Power output 100 mW at 10 harmonic d...

Страница 2: ... battery operated AC milliammeter The Data Precision 245 digital multimeter is suitable for this job 3 Measuring the voltage drop across a resistor by means of a VOM or battery operated AC voltmeter The limit indica tion is 0 75V so analog meters must have an accurate low voltage scale The Simpson 250 and Sanwa SH 63Trd are examples of a passive VOM that is suitable Nearly all battery operated dig...

Страница 3: ... 3 SECTION 1 GENERAL ICF C723 FM AM ICF C723L FM MW LW LOCATION AND FUNCTION OF CONTROLS ...

Страница 4: ...ly procedure in the numerical order given 2 1 CABINET UPPER REMOVAL 2 2 MICROCOMPUTER BOARD REMOVAL Precision driver 1 Screws P 3x14 Claw 2 3 4 Cabinet Upper Cabinet lower 3 Claws 1 CN101 2 CN102 4 5 Holder transformer Cabinet lower Microcomputer board ...

Страница 5: ...DARY BOARD REMOVAL 6 Claw 6 Claw 4 Claw 8 Transformer primary board 9 Transformer secondary board 4 Claw 4 Claw 1 Screws P 3x14 3 CN1 2 5 7 Power transformer T201 Shield case transformer Main board Cabinet lower Key board power cord power cord Cabinet lower Cabinet lower US model EXCEPT US model ...

Страница 6: ...kHz 621kHz CT1 1 490kHz 1 404kHz ICF C723L LW FREQUENCY COVERAGE ADJUSTMENT Adjust parts Frequecy display Reading on digital voltmeter confirmation 153kHz More than 2 2V Standard 3V CT4 279kHz 9 0 0 1V LW TRACKING ADJUSTMENT Adjust for a maximum reading on level meter L3 2 162kHz CT2 243kHz FM FREQUENCY COVERAGE ADJUSTMENT Adjust parts Frequecy display Reading on digital voltmeter L5 87 5MHz 3 0 0...

Страница 7: ...ent T1 AM IF Alignment L3 AM Tracking Adjustment MAIN BOARD Component side L6 MW Frequency Coverage Adjustment CT4 LW Frequency Coverage Adjustment L5 FM Frequency Coverage Adjustment CT1 MW Tracking Adjustment L3 2 LW Tracking Adjustment L4 FM Tracking Adjustment CT3 FM Tracking Adjustment T1 AM IF Alignment L3 1 MW Tracking Adjustment CT2 LW Tracking Adjustment MAIN BOARD Component side ...

Страница 8: ...nnect terminal 23 VDD Power supply 24 X OUT O System clock output 75MHz 25 X IN I System clock input 75MHz 26 VREG 2 Capacitor connect terminal 27 VLCD 0 I LCD drive device voltage input 28 CAP 0 Capacitor connect terminal 29 CAP 1 Capacitor connect terminal 30 LCD 1 I LCD drive device voltage input 31 34 COM 0 3 O LCD common output 35 48 LCD 0 13 O LCD segment output 49 LCD14 Not used Open 50 CF ...

Страница 9: ......

Страница 10: ...s are dc with respect to ground under no signal detuned conditions no mark RADIO SECTION FM VOICE MEMO SECTION PLAY RADIO SECTION AM MW VOICE MEMO SECTION REC Voltages are taken with a VOM Input impedance 10 MΩ Voltage variations may be noted due to normal produc tion tolerances Waveforms are taken with a oscilloscope Voltage variations may be noted due to normal produc tion tolerances Abbreviatio...

Страница 11: ......

Страница 12: ...cal for safety Ne les remplacer que par Replace only with part une piéce portant le number specified numéro spécifié U B Line Voltages are dc with respect to ground under no signal detuned conditions no mark RADIO SECTION FM VOICE MEMO SECTION PLAY RADIO SECTION AM MW VOICE MEMO SECTION REC LW Voltages are taken with a VOM Input impedance 10 MΩ Voltage variations may be noted due to normal produc ...

Страница 13: ...4 1 555 795 00 CORD POWER C723 AEP IT E C723L AEP 14 1 696 572 21 CORD POWER C723L UK 14 1 765 458 11 CORD POWER C723 AUS 14 1 769 339 22 CORD POWER C723 US Canadian 15 1 667 904 11 TRANSFORMER PRIMARY BOARD 16 1 667 905 11 TRANSFORMER SECONDARY BOARD 17 3 019 345 01 CABINET LOWER C723 US Canadian 17 3 019 345 11 CABINET LOWER C723 AEP IT AUS E 17 3 019 345 21 CABINET LOWER C723L 18 3 368 852 01 F...

Страница 14: ... 1 163 141 00 CERAMIC CHIP 0 001uF 5 50V C8 1 163 141 00 CERAMIC CHIP 0 001uF 5 50V C9 1 163 222 11 CERAMIC CHIP 5PF 0 25PF 50V C10 1 163 085 00 CERAMIC CHIP 2PF 50V C11 1 164 232 11 CERAMIC CHIP 0 01uF 50V C12 1 163 132 00 CERAMIC CHIP 430PF 5 50V C13 1 163 096 00 CERAMIC CHIP 13PF 5 50V C723 C13 1 163 099 00 CERAMIC CHIP 18PF 5 50V C723L C14 1 163 129 00 CERAMIC CHIP 330PF 5 50V C723L C15 1 164 ...

Страница 15: ...0 METAL CHIP 33K 5 1 10W R7 1 216 017 11 RES CHIP 47 5 1 10W EXCEPT US Canadian R7 1 216 021 11 RES CHIP 68 5 1 10W US Canadian R8 1 216 121 11 RES CHIP 1M 5 1 10W R9 1 216 073 00 METAL CHIP 10K 5 1 10W R10 1 216 049 11 RES CHIP 1K 5 1 10W R11 1 216 295 00 METAL CHIP 0 5 1 10W R12 1 216 069 00 METAL CHIP 6 8K 5 1 10W R13 1 216 065 11 RES CHIP 4 7K 5 1 10W C723L R14 1 216 049 11 RES CHIP 1K 5 1 10W...

Страница 16: ...IP 0 5 1 8W JC112 1 216 295 00 METAL CHIP 0 5 1 10W JC113 1 216 296 00 METAL CHIP 0 5 1 8W JC114 1 216 296 00 METAL CHIP 0 5 1 8W JC115 1 216 296 00 METAL CHIP 0 5 1 8W JC117 1 216 296 00 METAL CHIP 0 5 1 8W JC118 1 216 296 00 METAL CHIP 0 5 1 8W JC120 1 216 296 00 METAL CHIP 0 5 1 8W JC121 1 216 296 00 METAL CHIP 0 5 1 8W JC125 1 216 296 00 METAL CHIP 0 5 1 8W JC126 1 216 296 00 METAL CHIP 0 5 1 ...

Страница 17: ...4 303 21 SWITCH TACTILE TUNE TIME SET S111 1 554 303 21 SWITCH TACTILE BAND S112 1 554 303 21 SWITCH TACTILE RADIO ON SLEEP S113 1 554 303 21 SWITCH TACTILE REC S114 1 554 303 21 SWITCH TACTILE PLAY S115 1 554 303 21 SWITCH TACTILE CLOCK S116 1 571 850 91 SWITCH SLIDE BRIGHTNESS VIBRATOR X101 1 767 517 11 VIBRATOR CRYSTAL 75kHz 1 667 904 11 TRANSFORMER PRIMARY BOARD 1 667 905 11 TRANSFORMER SECOND...

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