sony_icf-b200_service_manual 电路图 维修原理图.pdf

1 ICF-B200 SERVICE MANUALUS Model Canadian Model AEP Model Ver 1.0 2001. 01 FM/AM RADIO Ver 1.3 2001. 02 Sony Corporation Audio Entertainment Group General Engineering Dept. 9-925-744-13 2001B0400-1 2001. 2 Frequency range FM : 87.5 108 MHz AM : 530 1,605 kHz Speaker Approx. 4.5 cm (1 3/4 inches) dia., 8 ohms Power output 60 mW (Using the built-in rechargeable battery) 90 mW (Using size AA (R6) dry batteries, not supplied) Output v jack (minijack) Power requirements Built-in nickel-cadmium (2.4 V, 300 mAh, Ni-Cd) battery or 3 V DC, two size AA (R6) dry batteries Dimensions Approx. 163 80 55 mm (w/h/d) (6 1/2 3 1/4 2 1/4 in) Mass Approx. 320 g (11.3 oz) Approx. 355 g (12.6 oz) incl. batteries and projecting parts Supplied accessory Hand strap (1) Design and specifications are subject to change without notice. SPECIFICATIONS Self-powered emergency radio You may use the radio right away by turning the handle of the power generator, which charges the built-in nickel-cadmium (Ni-Cd) rechargeable battery. Hand generating function You may also use size AA (R6) dry batteries (not supplied). Audio Beacon that alerts the surroundings. Useful dial light when tuning in the dark. Water-resistant for all weather operation*. * Do not emmerse in water This product is designed to be water-resistant, but should not be emmersed in water or come in continuous contact with water. Before installing the batteries, be sure to wipe off drops of water on the unit. FEATURES RadioFans.CN 2 mark1mark2 Center Frequency red10.70 MHz blue10.67 MHz orange10.73 MHz black10.64 MHz white10.76 MHz whitewhite10.75 MHz yellow10.79 MHz HOW TO CHANGE THE CERAMIC FILTERS This model is used two ceramic filters of CF1 and CF3. You must use same type of color marked ceramic filters in order to meet same specifications. Therefore, the ceramic filter must change two pieces together since its supply two pieces in one package as a spare parts. TABLE OF CONTENTS 1. GENERAL Power Sources . 3 Playing the Radio . 3 Useful functions . 3 2. SERVICE NOTE. 4 3. DISASSEMBLY 3-1. Cabinet (Rear) Assy . 5 3-2. Main Board Assy. 5 3-3. Main Board . 6 3-4. Pointer Setting. 6 4. ELECTRICAL ADJUSTMENTS. 7 5. DIAGRAMS 5-1. Printed Wiring Boards . 9 5-2. Schematic Diagram . 11 6. EXPLODED VIEWS 6-1. Cabinet (Rear) Section . 13 6-2. Cabinet (Front) Section . 14 7. ELECTRICAL PARTS LIST .15 mark1 mark2mark1 mark2 CF3 CF1 RadioFans.CN 3 SECTION 1 GENERALThis section is extracted from instruction manual. RadioFans.CN 4 SECTION 2 SERVICE NOTE Moisture Resistant Treatment Be sure to perform the following work when the cabinet, telescopic antenna and knobs have been replaced in servicing : Apply SONY grease SGL-505 (7-662-010-04) to all around the rib of the cabinet (rear) with an applicator or other means. Also, apply sealant TSE392-W (7-432-950-03) to the telescopic antenna mounting points on the cabinet (rear), the battery terminals, and all around the rib of the cabinet (front) assy. sealant TSE392-W (7-432-950-03) SONY grease SGL-505 (7-662-010-04) sealant TSE392-W (7-432-950-03) Apply SONY grease SGL-505 (7-662-010-04) to the knobs and gears at the points specified in the figure with an applicator or other means. cabinet (rear) cabinet (front) assy grease applying points (gear) grease applying points cabinet (front) grease applying points cabinet (front) grease applying points cabinet (front) RadioFans.CN 5 Note : Follow the disassembly procedure in the numerical order given. 3-1. CABINET (REAR) ASSY 1 Open the battery case lid. 3-2. MAIN BOARD ASSY 4 cabinet (rear) assy 3 tapping screws (bind 2x20) 2 tapping screws (bind 2x20) 3 PTP 3x10 5 generator 4 PTP 3x10 ! MAIN board assy 8 screw (M1.7) 9 VOLUME board ! holder (VOL) 7 JACK board 6 claws 2 knob (VOL) 1 knob (TUNING) Note for installation : When installing the MAIN board assy, align the two slide switches with the levers. SECTION 3 DISASSEMBLY RadioFans.CN 6 3-3. MAIN BOARD Note : When installing, setting the pointer. 3-4. POINTER SETTING 7 MAIN board 3 gear (midway) 1 retainer 2 tuning shaft 6 claws 5 lamp 8 LED board 4 dial scale gear (VC) rack A 2 gear (midway) Note : Align part A with the concave of the gear (VC). 4 retainer 3 tuning shaft 1 Position the gear (VC) and the rack as shown in the figure. Note : Engage the convex with the concave. RadioFans.CN 7 8 SECTION 4 ELECTRICAL ADJUSTMENTS AM AM RF signal generator 30 % amplitude modulation by 400 Hz signal Put the lead-wire antanna close to the set. set 8 speaker terminal level meter (range : 0.5 5 V ac) FM FM RF signal generator 0.01 F to FM antenna terminal 22.5 kHz frequency deviation by 400 Hz signal output level : as low as possible set 8 speaker terminal level meter (range : 0.5 5 V ac) Repeat the procedures is each adjustment several times, and the frequency coverage and tracking adjustments should be finally done by the trimmer capacitors. Adjustment Location : main board AM IF ADJUSTMENT Adjust for a maximum reading on level meter. T1 455 kHz AM FREQUENCY COVERAGE ADJUSTMENT Adjust for a maximum reading on level meter. L3CT3 520 kHz1,650 kHz AM TRACKING ADJUSTMENT Adjust for a maximum reading on level meter. L1CT4 620 kHz1,400 kHz FM FREQUENCY COVERAGE ADJUSTMENT Adjust for a maximum reading on level meter. L4CT1 86.5 MHz109.5 MHz FM TRACKING ADJUSTMENT Adjust for a maximum reading on level meter. L2CT2 86.5 MHz109.5 MHz AM TRACKING ADJUSTMENT FM TRACKING ADJUSTMENT AM FREQUENCY COVERAGE ADJUSTMENT FM FREQUENCY COVERAGE ADJUSTMENT T1 AM IF ADJUSTMENT L1 CT4 L3CT3 L4CT1 L2CT2 main board (component side) main board (conductor side) SECTION 5 DIAGRAMS IC Block Diagrams IC1 CXA1019S IC3 BA10324AF 123456789101514131211 FM DISCRIMINATOR AF POWER AMPAM FEFM IF TUNING METER AM IF DET AGC FM 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 1234567 891011121314 OUT1 IN1 +IN1 VCC +IN2 IN2 OUT2 OUT4 IN4 +IN4 GND +IN3 IN3 OUT3 RadioFans.CN 9 10 Semiconductor Location Ref. No.Location D1H-4 D2F-7 D3F-9 D4F-8 D5F-7 D6E-9 D7F-8 D8F-7 D9F-8 D11B-5 IC1F-5 IC2D-9 IC3E-8 Q1F-11 Q2G-4 Q3H-4 Q4C-8 Q5D-8 Q6D-8 Q7E-6 Q8E-7 Q11E-7 Q12H-3 Q13E-3 ICF-B200 5-1. PRINTED WIRING BOARDS Note: X : parts extracted from the component side. Y : parts extracted from the conductor side. W: indicates side identified with part number. : internal component. b : Pattern from the side which enables seeing. RadioFans.CN 11 12 5-2. SCHEMATIC DIAGRAM Refer to page 8 for IC Block Diagrams. ICF-B200 Note: 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 otherwise specified. : internal component. 2 : nonflammable resistor. C : panel designation. U : B+ Line. H : adjustment for repair. Power voltage is dc 3 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 () : AM : BUZZER ON Voltages are taken with a VOM (Input impedance 10 M). Voltage variations may be noted due to normal production toler- ances. Signal path. F: FM f: AM TOTAL CURRENT FM : 6.0mA AM : 4.5mA BUZZER ON : 30mA LIGHT ON : 60mA RadioFans.CN SECTION 6 EXPLODED VIEWS 6-1. CABINET (REAR) SECTION NOTE: The mechanical parts with no reference number in the exploded views are not supplied. Items marked “*” are not stocked since they are seldom required for routine service. Some delay should be anticipated when ordering these items. -XX and -X mean standardized parts, so they may have some difference from the original one. Color Indication of Appearance Parts Example : KNOB, BALANCE (WHITE) . (RED) Parts Color Cabinets Color Accessories and packing materials and hardware (# mark) list are given in the last of this parts list. 6-2. CABINET (FRONT) SECTION Ref. No.Part No.DescriptionRemarkRef. No.Part No.DescriptionRemark 23-917-353-01RING (BAND), O 33-018-885-01SPRING, RING 43-898-411-01PACKING, KNOB 53-900-151-01SPRING, RING * 61-667-679-11CONNECTOR BOARD 74-356-741-41SCREW, TAPPING (BIND 2X20) 93-018-849-11CABINET (REAR) (ORANGE) 93-018-849-21CABINET (REAR) (BLUE) 103-007-833-01TERMINAL (), BATTERY 113-919-944-01TERMINAL (+), BATTERY * 123-020-493-01SHEET 133-020-951-01CUSHION (Ni-Cd) 143-021-019-01CUSHION (BATTERY CASE LID) ANT11-501-432-11ANTENNA, TELESCOPIC BATT21-528-831-21BATTERY PACK (Ni-Cd) (300mAh/2.4V) (US,Canadian) BATT21-528-831-31BATTERY PACK (Ni-Cd) (300mAh/2.4V) (AEP) Ref. No.Part No.DescriptionRemarkRef. No.Part No.DescriptionRemark 513-018-950-01SPRING (HANDLE) 523-018-866-01HANDLE 533-898-406-01LID, JACK 543-018-882-01LID (KNOB) * 551-667-677-11JACK BOARD 563-018-858-01BUTTON (BUZZER) 573-018-879-01PACKING (BUZZER) 583-372-834-01PLATE, CLICK * 591-667-678-11VOLUME BOARD 602-646-154-11SCREW (M1.7X5) 613-018-881-01SLIDER, POLYETHYLENE 623-018-943-01SPRING (LIGHT) 633-018-884-11SCALE, DIAL 643-018-871-01RACK 653-018-870-01POINTER 663-020-689-01PIN, PARALLEL 683-900-147-01SHAFT, TUNING 693-900-149-01RETAINER 70X-3374-974-1CABINET (FRONT) ASSY (INCLUDING SP1) (ORANGE) 70X-3380-348-1CABINET (FRONT) ASSY (INCLUDING SP1) (BLUE) 713-018-856-01GEAR (A) 723-018-857-01GEAR (B) 733-018-855-01GEAR (VC) * 74A-3679-932-A MAIN BOARD, COMPLETE 753-018-853-01GEAR (MIDWAY) 768-838-202-01GENERATOR SGD11A/J-N 773-020-905-01WINDOW (MOTOR) 783-023-214-01PLATE (B), BLIND 793-018-867-01BASE (HANDLE) 803-363-895-01SCREW (M1.7) 813-023-216-01PLATE (D), BLIND 833-831-441-99CUSHION, STOPPER 843-018-868-01KNOB (HANDLE) 853-018-865-01KNOB (POWER) 863-018-859-01BUTTON (LIGHT) D18-719-069-94LED TLSU124 (TUNE) L11-501-732-12ANTENNA, FERRITE-ROD (AM) Combined parts (Components cannot be ordered as items.) Ref. No.Part No.Description 83-018-872-11LID (COMBINED), (ORANGE)BATTERY CASE 3-018-872-21LID, BATTERY CASE (BLUE)KNOB (BATT) LEVER (BATT) LEVER (POWER) 673-018-873-01CHASSIS (COMBINED) CHASSIS HOLDER (ANT) HOLDER (VOL) RING (BASE) RR 1 2 5 3 4 8 6 9 10 7 7 11 #1 BATT2 #5 12 13 14 ANT 1 55 63 64 67 72 71 76 LED board 73 B A #2 #2 #7 #7 60 83 57 65 68 69 80 67 75 74 (including LED board) L1 77 56 8 62 86 67 61 B 81 #4 D1 #3 8 70 58 8 85 67 59 80 A 78 84 52 51 79 66 53 #8 54 #10 #9 #6 Combined parts (Components cannot be ordered as items.) Ref. No.Part No.Description 13-018-874-01KNOB (COMBINED) KNOB (TUNE) KNOB (VOL) 83-018-872-11LID (COMBINED), (ORANGE)BATTERY CASE 3-018-872-21LID, BATTERY CASE (BLUE)KNOB (BATT) LEVER (BATT) LEVER (POWER) 13 14 Ver 1.3 2001. 02Ver 1.3 2001. 02 RadioFans.CN 15 SECTION 7 ELECTRICAL PARTS LIST Ref. No.Part No.DescriptionRemarkRef. No.Part No.DescriptionRemark CONNECTOR NOTE: Due to standardization, replacements in the parts list may be different from the parts specified in the diagrams or the components used on the set. -XX and -X mean standardized parts, so they may have some difference from the original one. RESISTORS All resistors are in ohms. METAL:Metal-film resistor. METAL OXIDE: Metal oxide-film resistor. F:nonflammable Items marked “*” are not stocked since they are seldom required for routine service. Some delay should be anticipated when ordering these items. SEMICONDUCTORS In each case, u : , for example: uA. : A.uPA. : PA. uPB. : PB. uPC. : PC. uPD. : PD. CAPACITORS uF : F COILS uH : H When indicating parts by reference number, please include the board. JACK MAIN *1-667-679-11CONNECTOR BOARD * CN11-564-505-11PLUG, CONNECTOR 2P * *1-667-677-11JACK BOARD * C231-126-382-11ELECT100uF20%6.3V C241-124-635-00ELECT220uF20%6.3V J11-573-548-11JACK () Q18-729-011-54TRANSISTOR 2SC3265 R51-216-017-00RES,CHIP475%1/10W R91-216-057-00METAL CHIP2.2K5%1/10W R101-216-073-00METAL CHIP10K5%1/10W * LED BOARD (SUPPLIED WITH MAIN BOARD, COMPLETE) * D118-719-938-67LED GL-3EG8 (OPTIMUM CHARGE) R361-216-057-00METAL CHIP2.2K5%1/10W S31-572-596-11SWITCH, KEY BOARD (LIGHT) * *A-3679-932-A MAIN BOARD, COMPLETE (INCLUDING LED BOARD) * 3-018-873-01CHASSIS (COMBINED) 3-314-712-01SHEET, CHLORIDE VINYL 3-363-895-01SCREW (M1.7) C11-163-222-11CERAMIC CHIP5PF0.25PF 50V C21-163-235-11CERAMIC CHIP22PF5%50V C31-163-713-91CERAMIC CHIP27PF5%50V C41-163-092-00CERAMIC CHIP9PF0.25PF 50V C51-163-251-11CERAMIC CHIP100PF5%50V C61-163-021-11CERAMIC CHIP0.01uF10%50V C71-124-261-00ELECT10uF20%50V C81-124-261-00ELECT10uF20%50V C91-163-021-11CERAMIC CHIP0.01uF10%50V C101-163-031-11CERAMIC CHIP0.01uF50V C111-126-794-11ELECT4.7uF20%25V C121-104-396-11ELECT10uF20%16V C131-163-809-11CERAMIC CHIP0.047uF10%25V C141-163-037-11CERAMIC CHIP0.022uF10%25V C151-104-396-11ELECT10uF20%16V C161-164-346-11CERAMIC CHIP1uF16V C171-126-382-11ELECT100uF20%16V C181-164-346-11CERAMIC CHIP1uF16V C201-163-251-11CERAMIC CHIP100PF5%50V C211-163-031-11CERAMIC CHIP0.01uF50V C251-164-346-11CERAMIC CHIP1uF16V C261-163-021-11CERAMIC CHIP0.01uF10%50V C281-163-021-11CERAMIC CHIP0.01uF10%50V C291-163-037-11CERAMIC CHIP0.022uF10%25V C301-126-785-11ELECT47uF20%10V C311-163-809-11CERAMIC CHIP0.047uF10%25V C321-163-989-11CERAMIC CHIP0.033uF10%25V C331-163-989-11CERAMIC CHIP0.033uF10%25V C341-163-989-11CERAMIC CHIP0.033uF10%25V C351-164-346-11CERAMIC CHIP1uF16V C361-164-346-11CERAMIC CHIP1uF16V C371-164-346-11CERAMIC CHIP1uF16V C381-164-346-11CERAMIC CHIP1uF16V C391-164-346-11CERAMIC CHIP1uF16V C401-164-346-11CERAMIC CHIP1uF16V C411-163-038-00CERAMIC CHIP0.1uF25V LED RadioFans.CN 16 Ref. No.Part No.DescriptionRemarkRef. No.Part No.DescriptionRemark MAIN C421-164-346-11CERAMIC CHIP1uF16V C431-163-038-00CERAMIC CHIP0.1uF25V C451-163-038-00CERAMIC CHIP0.1uF25V C461-163-038-00CERAMIC CHIP0.1uF25V C471-163-038-00CERAMIC CHIP0.1uF25V C481-163-038-00CERAMIC CHIP0.1uF25V C491-163-251-11CERAMIC CHIP100PF5%50V C511-135-201-11TANTALUM CHIP 10uF20%4V CF11