sony_icf-f1_service_manual 电路图 维修原理图.pdf

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1、ICF-F1 AEP ModelSERVICE MANUAL FM/AM RADIO SPECIFICATIONS Frequency range: FM : 87.5 - 108 MHz AM : 526.5 - 1 606.5 kHz Speaker Approx. 10.0 cm (4 inches) dia., 8 Output v (earphone) jack ( 3.5 mm minijack) Power output 250 mW (at 10 % harmonic distortion) Power requirements 4.5V DC, three R14 (size

2、 C) batteries DC IN 4.5V jack accepts: Sony AC-E45HG AC power adaptor (not supplied) Dimensions Approx. 130 237 71.5 mm (w/h/d) (5 1/8 9 3/8 2 7/8 inches) incl. projecting parts and controls Mass Approx. 673.5 g (1 lb 8 oz) incl. batteries Design and specifications are subject to change without noti

3、ce. Ver 1.0 2000. 05 RadioFans.CN 2 Notes on chip component replacement Never reuse a disconnected chip component. Notice that the minus side of a tantalum capacitor may be damaged by heat. Flexible Circuit Board Repairing Keep the temperature of soldering iron around 270C during repairing. Do not t

4、ouch 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. SECTION 1 GENERAL This section is extracted from instruction manual. RadioFans.CN 3 SECTION 2 DISASSEMBLY Note :Disassemble the unit in t

5、he order as shown below. Cabinet (rear) assySetChassis assySpeaker (SP1) Vol boardMain board Note :Follow the disassembly procedure in the numerical order given. 2-1. CABINET (REAR) ASSY 5 4 Four screws (+BTP 3 12) 3 Two screws (+BTP 3 12) 1 Push the knob (Battery box). 2 Box, battery Cabinet (rear)

6、 assy 9 8 Two screws (+P 2.6 8) 7 Remove solderings Chassis assy 5 Knob (vol) 1 Knob (tune) 2 O ring (DIA 12.5)6 O ring (vol) 4 E ring 3 Spring, ring 3 Speaker (10 cm)(SP1) Claw Two claws 1 Spring, SP detent 2 2-2. CHASSIS ASSY2-3. SPEAKER (SP1) RadioFans.CN 4 2-4. VOL BOARD 7 Screw (+P2.6 8) Two cl

7、aws 4 Pointer 5 Scale, dial 6 Rack 3 Vol board 1 8 Gear (A), tuning capacitor 2 Remove solderings 2-5. MAIN BOARD ASSY 1 Remove solderings 7 Remove solderings 5 Main board 8 LED board 2 Jack board 4 Two screws (+P 2.6 8) 6 Screw (+P 2.6 8) 3 Three screws (+BTP 3 12) RadioFans.CN SECTION 3 ELECTRICAL

8、 ADJUSTMENTS 2-6. DIAL POINTER 5 6 Screw CV1 1mm Chassis Chassis 4 Scale, dial Rack Shaft (tune) 2 Rotate the Shaft (tune) in the direction of the arrow fully. 1 Install the tuning capacitor gear (A) in the direction as shown while it is aligned with CV1. Rack Rack Pointer Two claws 3 Push the rack

9、deep inside at the position of 1 mm away from the end surface of the Chassis as far as it can go. 5 Attach the pointer as follows : While aligning the hole of the pointer with the projection of the rack, engage the two claws of the pointer with the chassis. BAND : AM Signal generator Repeat the proc

10、edures in each adjustment several times for the maximum level meter indication. The frequency coverage and tracking adjustments should be finally done by the trimmer capacitors. AM SECTION FM SECTION Adjustment Location : Main board (Component side) Put the lead-wire antenna close to the set. 30% am

11、plitude modulation by 400Hz signal. Output level : as low as possible AM RF signal generator 0.01F FM RF signal generator telescopic antenna terminal 75kHz (100%) amplitude modulation by 1kHz signal. Output level : as low as possible 16 set + level meter Speaker terminal (SP1) AM IF ADJUSTMENT Adjus

12、t for a maximum reading on level meter. T1455 kHz AM TRACKING ADJUSTMENT Adjust for a maximum reading on level meter. L1600 kHz CT1-11,400 kHz FM TRACKING ADJUSTMENT Adjust for a maximum reading on level meter. L387.35 MHz CT1-2108.25 MHz AM FREQUENCY COVERAGE ADJUSTMENT Adjust for a maximum reading

13、 on level meter. L5516.5 kHz CT1-41,631.5 kHz FM FREQUENCY COVERAGE ADJUSTMENT Adjust for a maximum reading on level meter. CT1-3108.25 MHz BAND : FM Signal generator L3 CT1-2 FM TRACKING adjustment T1 AM IF adjustmnet CT1-4 AM FREQUENCY COVERAGE adjustment CT1-3 FM FREQUENCY COVERAGE adjustment L5

14、AM FREQUENCY COVERAGE adjustment CT1-1 AM TRACKING adjustment L1 AM TRACKING adjustment RadioFans.CN ICF-F1 7 8 SECTION 4 DIAGRAMS 4-1.PRINTED WIRING BOARDS Note on Printed Wiring Boards: X : parts extracted from the component side. b : Pattern from the side which enables seeing. MAIN BOARD S1 (BAND

15、) E Q1 C22 C28 C25 C27 30 C24 CF1 C21 R17 C18 C19 C17 R7 R8 CF2 CF4 16 T1 R5 CF3 C16 IC1 15 C12 C20 C26 C13 1 C14 R15 R3 CV1 L5 C4 C9 C5 L6 L3 C11 BPF1 C32 R10 Q2 E C29 R14 R16 C33 D2 D1 R9 C31 C30 1-678-312 11 (11) LED BOARD D3 (LIGHT) 1-678-315 11 (11) JACK BOARD R11 C34 1-678-314 11 (11) VOL BOAR

16、D RV1 R4 S2 1-678-313 11 (11) 16 CT1-4CT1-1 CT1-2CT1-3 CV1-2CV1-3 CV1-4CV1-1 TUNING L1 AM FERRITE ROD ANTENNA AM FM DRY BATTERY SIZE C (ICE DESIGNATION R14) 2PCS, 4.5V ANT1 FM TELESCOPIC ANTENNA A B C G F D E 1 2 4 3 5 6 7 G F DC IN 4.5V J2 J1 SP1 (SPEAKER) 1 2 3 4 5 E D C B A D5 (POWER) LIGHT D4 (P

17、OWER) POWER/VOLUME 6 7 12 A B C D E F G 345678910 RadioFans.CN ICF-F1 9 10 4-2.SCHEMATIC DIAGRAM Note on Schematic Diagram: All capacitors are in F unless otherwise noted. pF: F 50 WV or less are not indicated except for electrolytics and tantalums. All resistors are in and 1/4 W or less unless othe

18、rwise specified. f: internal component. C : panel designation. U : B+ Line. H : adjustment for repair. Voltages are dc with respect to ground under no-signal (detuned) conditions. no mark : FM () : AM Voltages are taken with a VOM (Input impedance 10 M). Voltage variations may be noted due to normal

19、 produc- tion tolerances. Signal path. F: FM f: AM The components identified by mark 0 or dotted line with mark 0 are critical for safety. Replace only with part number specified. IC BLOCK DIAGRAM IC1CXA1019S 123456789101514131211 FM DISCRIMINATOR AF POWER AMPAM FEFM IF TUNING METER AM IF DET AGC FM

20、 FE 232221202425191817162928272630 GND GND AF OUT VCC RIPPLE FILTER AF IN DET OUT AFC AGC AFC AGC IF GND METER N.C FM IF IN AM IF IN FM/AM BAND SELECT FM/AM IF OUT FE GND N.C AM RF IN FM RF REG OUT FM OSC FM RF IN AFC AM OSC VOL NF FM DISCRI GND GND C6 33p RadioFans.CN 11 12 Ref. No.Part No.Descript

21、ionRemarksRef. No.Part No.DescriptionRemarks SECTION 5 EXPLODED VIEWS 13-047-555-11KNOB(BAND) 2X-3379-294-1CABINET (FRONT) ASSY 33-047-572-01COVER, JACK 43-047-554-01KNOB(VOL) 53-047-553-01KNOB(TUNE) 63-047-594-01RING (VOL) 83-931-749-01SPRING, RING 93-047-563-01ADAPTOR (BAND) 103-047-580-01SPRING,

22、SP DETENT 113-047-550-11SCALE, DIAL 121-678-314-11JACK BOARD 131-678-315-11LED BOARD * 141-678-313-11VOL BOARD 153-047-560-01SHAFT (TUNE) * 16A-3683-206-A MAIN BOARD, COMPLETE 173-047-561-01GEAR, MIDWAY 183-047-564-01CHASSIS 193-047-557-01POINTER 203-047-559-01RACK 213-047-573-01ANTENNA COVER 221-50

23、1-222-81ANTENNA, TELESCOPIC (FM) 233-047-575-01TERMINAL (+), BATTERY 243-047-584-01SHEET (BATTERY BOX) 253-047-576-01TERMINAL (-), BATTERY 263-047-577-01TERMINAL (+.-) (B), BATTERY 273-047-578-01TERMINAL (+.-) (A), BATTERY 283-047-548-01BOX,BATTERY 293-047-547-11CABINET (REAR) 303-047-579-01SPRING (

24、STAND), LEAF 313-047-569-01HANDLE 323-047-581-01SPRING (HANDLE) 333-047-567-11COVER, HANDLE 343-047-556-11KNOB(BATTERY BOX) 353-047-568-01STAND 367-671-155-01STEEL BALL 3.0 377-623-508-01LUG,3 383-907-109-01ORING (DIA 12.5) 393-917-351-01RING(VOL), O 403-047-562-01GEAR(A), TUNING CAPACITOR SP11-529-

25、754-11SPEAKER (10cm) #17-685-548-14SCREW +BTP3X12 TYPE2 N-S #27-685-134-01SCREW +P2.6X8 TYPE1 NOTE: -XX, -X mean standardized parts, so they may have some differences from the original one. Items marked “*” are not stocked since they are seldom required for routine service. Some delay should be anti

26、cipated when ordering these items. The mechanical parts with no reference number in the exploded views are not supplied. Accessories and packing materials are given in the last of this parts list. S SP1 #1 #1 #1 #1 #2 #2 #1 #2 1 2 3 4 39 38 5 6 not supplied 8 9 10 11 13 14 18 19 20 15 17 16 21 22 37

27、 23 24 24 25 26 27 28 29 34 35 32 31 33 12 30 36 #2 40 Ref. No.Part No.DescriptionRemarksRef. No.Part No.DescriptionRemarks SECTION 6 ELECTRICAL PARTS LIST NOTE: Due to standardization, replacements in the parts list may be different from the parts specified in the diagrams or the components used on

28、 the set. -XX, -X mean standardized parts, so they may have some difference from the original one. Items marked “*” are not stocked since they are seldom required for routine service. Some delay should be anticipated when ordering these items. CAPACITORS: uF: F RESISTORS All resistors are in ohms. M

29、ETAL: metal-film resistor METAL OXIDE: Metal Oxide-film resistor F: nonflammable COILS uH: H SEMICONDUCTORS In each case, u: , for example: uA.: A. , uPA. , PA. , uPB. , PB. , uPC. , PC. , uPD., PD. When indicating parts by reference number, please include the board name. 1-678-315-11LED BOARD * D38

30、-719-945-66LED SLP190B-51 (LIGHT) * 1-678-314-11JACK BOARD * C341-162-974-11CERAMIC CHIP0.01uF50V J11-563-836-21JACK (EARPHONE) J21-580-681-21JACK,DC(POLARITY UNIFIED TYPE) (DC IN 4.5V) R111-216-805-11METAL CHIP475%1/16W * *A-3683-206-A MAIN BOARD, COMPLETE * 3-047-566-01HOLDER (BANT) ANT11-411-779-

31、11COIL, IFT (LB-1035) BPF11-236-022-11FILTER, BAND PASS C41-162-910-11CERAMIC CHIP5PF0.25PF 50V C51-162-920-11CERAMIC CHIP27PF5%50V C61-164-258-11CERAMIC CHIP33PF C91-162-937-11CERAMIC CHIP6PF0.5PF50V C111-104-664-11ELECT47uF20.00% 10V C121-162-970-11CERAMIC CHIP0.01uF10%25V C131-162-974-11CERAMIC C

32、HIP0.01uF50V C141-126-963-11ELECT4.7uF20.00% 50V C161-162-974-11CERAMIC CHIP0.01uF50V C171-126-963-11ELECT4.7uF20.00% 50V C181-126-963-11ELECT4.7uF20.00% 50V C191-126-964-11ELECT10uF20.00% 50V C201-164-227-11CERAMIC CHIP0.022uF10%25V C211-115-156-11CERAMIC CHIP1uF10V C221-164-373-11CERAMIC CHIP0.033

33、uF25V C241-104-664-11ELECT47uF20.00% 10V C251-126-925-11ELECT470uF20.00% 10V C261-115-156-11CERAMIC CHIP1uF10V C271-115-156-11CERAMIC CHIP1uF10V C281-126-925-11ELECT470uF20.00% 10V C291-126-924-11ELECT330uF20.00% 10V C301-164-505-11CERAMIC CHIP2.2uF16V C311-115-156-11CERAMIC CHIP1uF10V C321-162-927-

34、11CERAMIC CHIP100PF5%50V C331-162-971-11CERAMIC CHIP0.001uF10.00% 50V CF11-577-600-81FILTER, CERAMIC CF21-781-790-11FILTER, AM CERAMIC CF31-577-600-81FILTER, CERAMIC CF41-577-600-81FILTER, CERAMIC CV11-151-631-11CAP, VARIABLE (TUNING) CT11-151-631-11CAP, VARIABLE D18-719-991-33DIODE 1SS133T-77 D28-7

35、19-991-33DIODE 1SS133T-77 IC18-752-055-05IC CXA1019S L11-754-145-11ANTENNA, FERRITE-ROD (MW) L31-419-634-11COIL, AIR-CORE L51-406-028-00COIL, OSC (MW) L61-419-635-11COIL, AIR-CORE Q18-729-027-53TRANSISTORDTC124TKA-T146 Q28-729-026-48TRANSISTOR2SA1037AK-T146-Q R31-216-827-11METAL CHIP3.3K5%1/16W R51-

36、216-825-11METAL CHIP2.2K5%1/16W R71-216-829-11METAL CHIP4.7K5%1/16W R81-216-825-11METAL CHIP2.2K5%1/16W R91-216-811-11METAL CHIP1505%1/16W LEDJACKMAIN RadioFans.CN Ref. No.Part No.DescriptionRemarksRef. No.Part No.DescriptionRemarks 13 R101-216-853-11METAL CHIP470K5%1/16W R141-216-833-11RES-CHIP10K5

37、%1/16W R151-216-801-11METAL CHIP225%1/16W R161-216-821-11METAL CHIP1K5%1/16W R171-216-821-11METAL CHIP1K5%1/16W S11-554-123-00SWITCH, SLIDE (AM/FM) T11-435-399-11TRANSFORMER, IF * *1-678-313-11VOL BOARD * D48-719-076-36LED TLGE160 (POWER) D58-719-076-36LED TLGE160 (POWER) R41-216-831-11METAL CHIP6.8

38、K5%1/16W RV11-223-486-11RES,VAR,CARBON(WITH SWITCH)50K (POWER/VOLUME) S21-692-539-11SWITCH, KEYBOARD (LIGHT) * MISCELLANEOUS * 221-501-222-81ANTENNA, TELESCOPIC (FM) SP11-529-754-11SPEAKER (10CM) * ACCESSORIES & PACKING MATERIALS * 3-048-384-11MANUAL, INSTRUCTION (EMGLISH/FRENCH/GERMAN/SPANISH/DUTCH/ SWEDISH/ITALIAN/PORTUGUESS/FINNISH) MAIN RadioFans.CN ICF-F1 14 Sony Corporation Audio Entertainment Group 2000E1636-1 Printed in Japan 2000.5 Published by PE General Engineering Dept. 9-927-925-31 RadioFans.CN

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