Sony ICF-SW35 Service Manual Download Page 3 | Manualshive

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SECTION 1

GENERAL

This section is extracted
from instruction manual.

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Summary of Contents for ICF-SW35

Page 1: ... hours Sony R6 Sony LR6 size AA alkaline size AA FM reception 17 46 SW reception 12 33 LW MW reception 12 33 SPECIFICATIONS Dimensions Approx 168 106 35 mm W H D 6 5 8 4 1 4 1 7 16 in incl projecting parts Mass Approx 405 g 14 3 oz incl batteries Supplied Accessories Carrying case 1 Short wave guide 1 Design and specifications are subject to change without notice The AC power adaptor s operating v...

Page 2: ...r 5 Using Other Functions 5 2 DISASSEMBLY 2 1 Cabinet Rear 6 2 2 Main Board 6 2 3 Micon Board 7 3 ELECTRICAL ADJUSTMENTS FM Section 8 SW MW LW Section 8 FM VCO Adjustment 9 4 DIAGRAMS 4 1 IC Pin Description 10 4 2 Block Diagram 11 4 3 Printed Wiring Board Main Section 13 4 4 Schematic Diagram Main Section 15 4 5 Printed Wiring Board Micon Section 17 4 6 Schematic Diagram Micon Section 19 5 EXPLODE...

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

Page 4: ... 4 ...

Page 5: ... 5 ...

Page 6: ...he disassembly procedure in the numerical order given 2 1 CABINET REAR 2 2 MAIN BOARD SECTION 2 DISASSEMBLY 1 P 3x14 5 cabinet rear 2 P 3x14 4 claw 3 claws 2 P 3x14 1 Removal the solder 6 MAIN board 5 CN1 3 claw 4 claw ...

Page 7: ... 7 2 3 MICON BOARD 1 BTP 2x8 2 BTP 2x8 3 MICON board ...

Page 8: ... Digital Voltmeter FM SW MW and LW Repeat the procedures in each adjustment several times and the frequency coverage and tracking adjustments should be finally done by the trimmer capacitors digital voltmeter TP VT AM IF ADJUSTMENT Adjust for a maximum reading on level meter Frequency Display 11 800 kHz Adjustment Part T1 T4 LW FREQUENCY COVERAGE CHECK Frequency Display 150 kHz Reading on Digital ...

Page 9: ...3 Q8 Q7 Q11 Q12 Q15 Q9 Q13 Q29 Q28 Q10 Q14 Q36 Q35 D8 Q18 D4 B E C B E C B E C B E C B E C B 1 1 2 5 6 9 10 15 17 16 18 4 8 5 E C B E C G D S B E B B B E E C C B E C B B E C G 1 15 1 5 10 16 20 25 30 3 2 C S D D S G G D S CN1 B E C B E B E B C C C B E C L11 L13 CT1 BPF1 TP GND IC1 CF2 C64 TP VT T3 S G B E C D TP VCOL TP H L TP VCOH MW L TP POWER TP RF GND TP AGC R TP VT main board conductor side F...

Page 10: ... output H SW L FM MW LW 17 10 25 O Attenator output 18 GND GND 19 EO O Tuner PLL error output 20 VCOL LW MW SW I VCO SW MW LW band input 21 VCOH FM I VCO FM band input 22 REG0 Capacitor terminal regulator circuit 23 VDD Power supply terminal 2 7 V 24 XOUT O Oscillation output 75 kHz 25 XIN I Oscillation input 75 kHz 26 REG1 Capacitor terminal regulator circuit 27 REGLCD0 LCD driving power supply t...

Page 11: ...4 2 BLOCK DIAGRAM 11 12 ICF SW35 ...

Page 12: ...E C G 1 15 1 5 10 16 20 25 30 3 2 C B E C B E C S D D S G G D S G N C B E C SP1 SPEAKER L20 CN1 1 MICON BOARD CN201 B E C B E B E C B C E B E C B C E B E B C C C B E C T1 L11 L13 CT1 CF1 CF3 BPF1 TP FM ANT TP GND IC1 T4 CF2 C63 C64 TP TUNE TP GND TP AM FM TP VT T3 S G B E C D TP VCOL TP H L TP VCOH ANT2 MW LW FERRITE ROD ANTENNA JW14 TP POWER TP RF GND J1 J2 DC IN 4 5V DRY BATTERY SIZE AA IEC DESI...

Page 13: ... 15 16 ICF SW35 4 4 SCHEMATIC DIAGRAM MAIN SECTION Refer to page 21 for IC Block Diagrams Page 20 Page 19 Q30 C Waveform 1 0 2µsec div 0 1V div 1 78MHz 4 4Vp p ...

Page 14: ...10K 1 677 231 MICON BOARD C235 MAIN BOARD CN1 D205 BACK LIGHT CN201 9K 10K ON OFF FINE NORMAL NORMAL FINE C234 S207 4 S206 5 S201 2 S202 1 S211 BAND S201 202 205 208 MEMORY PRESET PAGE S213 214 TUNE SCAN TIME SET S213 S214 S216 HOLD S219 LIGHT S203 SLEEP S204 ON OFF S212 S218 ENTER CLOCK S215 SW BAND S209 TIMER STANDBY STANDBY TIME SET STANDBY MEMORY b S210 a 1 C202 2 5 6 9 10 15 16 17 18 S208 3 S...

Page 15: ... Ω and 1 4 W or less unless otherwise specified f internal component C panel designation U B Line H adjustment for repair Power voltage is dc 4 5 V and fed with regulated dc power supply from battery terminal Voltage is dc with respect to ground under no signal detuned condition no mark FM MW LW SW 4 6 SCHEMATIC DIAGRAM MICON SECTION Refer to page 21 for IC Block Diagrams Page 15 Page 15 ...

Page 16: ...iption Remark Ref No Part No Description Remark 1 3 042 909 01 BUTTON 2 3 044 852 01 CUSHION B 3 3 042 907 01 BUTTON POWER 4 3 042 910 01 BUTTON PAGE 5 X 3378 376 1 CABINET FRONT ASSY 6 3 042 911 01 KNOB N F 7 3 385 660 11 STRAP HAND 8 3 389 575 01 SPRING SPEAKER WIRE 9 A 3683 159 A MAIN BOARD COMPLETE 10 3 042 904 01 HOLDER ANTENNA 11 3 047 311 01 SPACER T 12 3 042 898 01 CASE 2ND B 13 3 042 896 ...

Page 17: ...970 11 CERAMIC CHIP 0 01uF 10 25V C24 1 162 924 11 CERAMIC CHIP 56PF 5 50V C25 1 162 970 11 CERAMIC CHIP 0 01uF 10 25V C26 1 162 970 11 CERAMIC CHIP 0 01uF 10 25V C27 1 164 361 11 CERAMIC CHIP 0 047uF 16V C28 1 164 156 11 CERAMIC CHIP 0 1uF 25V C29 1 162 966 11 CERAMIC CHIP 0 0022uF 10 50V C30 1 126 157 11 ELECT 10uF 20 16V C31 1 162 970 11 CERAMIC CHIP 0 01uF 10 25V C32 1 162 905 11 CERAMIC CHIP ...

Page 18: ...40 DIODE MA77 D3 8 719 421 40 DIODE MA77 D4 8 719 421 40 DIODE MA77 D5 8 719 421 40 DIODE MA77 D6 8 719 421 40 DIODE MA77 D7 8 719 421 40 DIODE MA77 D8 8 719 945 31 DIODE SVC341 L D9 8 719 988 61 DIODE 1SS355TE 17 D10 8 719 002 81 DIODE 1T363 D11 8 719 002 81 DIODE 1T363 D12 8 719 988 61 DIODE 1SS355TE 17 D13 8 719 988 61 DIODE 1SS355TE 17 D14 8 719 977 40 DIODE UDZ TE 17 13B D15 8 719 988 61 DIOD...

Page 19: ... 22K 5 1 16W R3 1 216 857 11 METAL CHIP 1M 5 1 16W R4 1 216 827 11 METAL CHIP 3 3K 5 1 16W R5 1 216 845 11 METAL CHIP 100K 5 1 16W R6 1 216 797 11 METAL CHIP 10 5 1 16W R7 1 216 817 11 METAL CHIP 470 5 1 16W R8 1 216 837 11 METAL CHIP 22K 5 1 16W R9 1 216 837 11 METAL CHIP 22K 5 1 16W R10 1 216 841 11 METAL CHIP 47K 5 1 16W R11 1 216 839 11 METAL CHIP 33K 5 1 16W R12 1 216 845 11 METAL CHIP 100K 5...

Page 20: ... VIBRATOR CRYSTAL 10 25MHz A 3663 471 A MICON BOARD COMPLETE 1 792 459 11 CABLE FLAT FFC 18P 3 042 894 01 CASE LCD 3 042 895 01 CASE MICROCOMPUTER 3 042 906 01 HOLDER LCD 3 042 908 01 KNOB HOLD 3 042 913 01 SHEET LCD 3 044 853 01 SHEET 4 X 15 3 045 127 01 LEAF MICRO COMPUTER COPPER 3 045 971 01 LEAF LCD COPPER 3 047 311 01 SPACER T CAPACITOR C201 1 164 362 11 CERAMIC CHIP 470PF 5 50V C202 1 136 17...

Page 21: ...T106 Q206 8 729 402 32 TRANSISTOR 2SD1819A R Q207 8 729 402 32 TRANSISTOR 2SD1819A R RESISTOR R201 1 216 821 11 METAL CHIP 1K 5 1 16W R202 1 216 829 11 METAL CHIP 4 7K 5 1 16W R203 1 216 831 11 METAL CHIP 6 8K 5 1 16W R204 1 216 833 11 RES CHIP 10K 5 1 16W R205 1 216 831 11 METAL CHIP 6 8K 5 1 16W R206 1 216 809 11 METAL CHIP 100 5 1 16W R207 1 216 813 11 METAL CHIP 220 5 1 16W R208 1 216 837 11 M...

Page 22: ...92 444 11 SWITCH KEY BOARD ON OFF POWER S205 1 692 444 11 SWITCH KEY BOARD MEMORY SCAN MEMORY PRESET PAGE S206 1 692 444 11 SWITCH KEY BOARD 5 MEMORY PRESET PAGE S207 1 692 444 11 SWITCH KEY BOARD 4 MEMORY PRESET PAGE S208 1 692 444 11 SWITCH KEY BOARD 3 MEMORY PRESET PAGE S209 1 692 444 11 SWITCH KEY BOARD b TIMER STANDBY STANDBY TIME SET STANDBY MEMORY S210 1 692 444 11 SWITCH KEY BOARD a TIMER ...

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