Sony ICF-403L Скачать руководство пользователя | Manualshive

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Ver 1.0 1999.07

MICROFILM

ICF-403L

SERVICE MANUAL

FM/MW/LW 3 BAND RADIO

SPECIFICATIONS

AEP Model

East European model

AEP model

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Содержание ICF-403L

Страница 1: ...Ver 1 0 1999 07 MICROFILM ICF 403L SERVICE MANUAL FM MW LW 3 BAND RADIO SPECIFICATIONS AEP Model East European model AEP model ...

Страница 2: ...ible Circuit Board Repairing Keep the temperature of the soldering iron around 270 C during repairing Do not touch the soldering iron on the same conductor of the circuit board within 3 times Be careful not to apply force on the conductor when soldering or unsoldering Notes on chip component replacement Never reuse a disconnected chip component Notice that the minus side of a tantalum capacitor ma...

Страница 3: ...2 CABINET FRONT r The equipment can be removed using the following procedure Cabinet Front Cabinet Rear Set Main board Chassis 1 Screw P 2 6x8 Cabinet front Black Brown Chassis Main board 2 Remove solder 3 Black Brown 1 Screws BTP 3x12 4 Screw P 2 6x8 3 Lug 3 Cabinet rear Cabinet front 2 Claws 1 Screws BTP 3x12 ...

Страница 4: ... 4 2 3 MAIN BOARD CHASSIS 2 Claws 4 Knob tune 3 1 Screw P 2 6x8 Chassis Main board ...

Страница 5: ...2Ω phone jack J1 level meter Repeat the procedures in each adjustment several times and the frequency coverage and tracking adjustments should be finally done by the trimmer capacitors East European model AM IF ADJUSTMENT Adjust for a maximum reading on level meter T1 455kHz MW FREQUENCY COVERAGE ADJUSTMENT Adjust for a maximum reading on level meter L5 520kHz CT4 1 650kHz MW TRACKING ADJUSTMENT A...

Страница 6: ...IC1 JW5 JW8 JW6 CF3 C14 C21 C26 C29 C16 C20 C19 C32 JW10 JW11 JW12 JW13 CF2 CF1 T1 BCE Q1 D2 D1 L1 MW LW FERRITE ROD ANTENNA 21 21 1 674 016 J2 SP1 SPEAKER J1 JW9 CV1 CV2 CV3 CV4 CT3 CT4 CT1 CT2 EE MODEL EE MODEL EE MODEL 1 2 Note X parts extracted from the component side b Pattern from the side which enables seeing Abbreviation EE East European GND GND FM DISCRI NF VOL AM OSC AFC FM OSC Reg OUT F...

Страница 7: ...ified internal component U B Line H adjustment for repair ICF 403L Power voltage is dc 4 5V and fed with regulated dc power supply from battery terminal J2 Voltages are dc with respect to ground under no signal detuned conditions no mark FM MW LW Voltages are taken with a VOM Input impedance 10 MΩ Voltage variations may be noted due to normal production tolerances Signal path F FM f MW L LW Abbrev...

Страница 8: ... 017 01 CABINET REAR BLACK 8 3 037 017 11 CABINET REAR WHITE AEP 9 3 037 034 01 SPRING HANDLE 10 3 037 019 01 LID BATTERY CASE BLACK 10 3 037 019 11 LID BATTERY CASE WHITE AEP 11 3 372 124 01 CUSHION BATTERY 12 3 040 489 01 SHEET SPEAKER WHITE AEP ANT1 1 501 222 81 ANTENNA TELESCOPIC FM SP1 1 529 451 11 SPEAKER 7 7cm 7 not supplied 6 8 11 1 2 3 4 5 4 12 10 9 ANT1 SP1 6 Ref No Part No Description R...

Страница 9: ...01uF 50V C19 1 126 963 11 ELECT 4 7uF 20 50V C20 1 126 964 11 ELECT 10uF 20 50V C21 1 126 964 11 ELECT 10uF 20 50V C22 1 163 037 11 CERAMIC CHIP 0 022uF 10 25V C23 1 163 035 00 CERAMIC CHIP 0 047uF 50V C24 1 163 031 11 CERAMIC CHIP 0 01uF 50V C25 1 164 346 11 CERAMIC CHIP 1uF 16V C26 1 126 966 11 ELECT 33uF 20 16V C27 1 163 031 11 CERAMIC CHIP 0 01uF 50V C28 1 164 346 11 CERAMIC CHIP 1uF 16V C29 1...

Страница 10: ...S CHIP 1K 5 1 10W R9 1 216 065 91 RES CHIP 4 7K 5 1 10W R10 1 216 057 00 METAL CHIP 2 2K 5 1 10W R11 1 216 017 91 RES CHIP 47 5 1 10W R12 1 216 089 91 RES CHIP 47K 5 1 10W VARIABLE RESISTOR RV1 1 241 555 11 RES VAR CARBON 50K POWER VOL SWITCH S1 1 771 748 11 SWITCH SLIDE FM MW LW S2 1 552 370 00 SWITCH SLIDE TONE TRANSFORMER T1 1 404 790 11 TRANSFORMER IF AM IF MISCELLANEOUS 52 1 674 032 21 RACK R...

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