sony_icf-8l_service 电路图 维修原理图.pdf

MICROFILM SERVICE MANUAL Ver 1.3 2000. 10 With SUPPLEMENT-1 (9-924-922-81) With SUPPLEMENT-2 (9-924-922-82) With SUPPLEMENT-3 (9-924-922-83) ICF-8 FM/AM RADIO ICF-8L FM/LW RADIO AEP Model UK Model ICF-8/8L E Model ICF-8 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. SPECIFICATIONS ICF-8/8L Photo: ICF-8 RadioFans.CN 2 SECTION 1 GENERAL This section is extracted from instruction manual. RadioFans.CN 3 CABINET (REAR) MAIN BOARD Note: Follow the disassembly procedure in the numerical order given. SECTION 2 DISASSEMBLY 2three screws (P2 8) 8cabinet (rear) 3two claws 3two claws 4 7telescopic antenna 1Remove the battery lid. 3two claws 6lug 5screw (B1.7 4) 9cabinet (front) 1Remove two solders of the speaker leads. 4two claws 2battery terminal () 5MAIN board A 3battery terminal (+) CV1 Note:On installation MAIN board, turn CV1 shaft in the arrow A direction fully. RadioFans.CN 4 DIAL POINTER SETTING Note: Follow the assembly procedure in the numerical order given. POINTER KNOB (TUNE) 1pointer 5knob (TUNE) 4Insert the knob (TUNE) to the pointer fitting the two gear portion of the knob (TUNE) to the concave portion of the pointer. 3 hole hole knob (TUNE) pointer RadioFans.CN 5 6 SECTION 3 ELECTRICAL ADJUSTMENTS PRECAUTION Adjustment should be performed in the order given. 0 dB=1 V FM Setting: BAND switch: FM AM/LW Setting: BAND switch: AM/LW Repeat the procedures in each adjustment several times, and the frequency coverage and tracking adjustments should be finally done by the trimmer capacitors. Adjustment Location: MAIN board (Component Side) FM RF signal generator 22.5 kHz frequency deviation by 400 Hz signal. Output level: as low as possible FM antenna IN level meter set earphone jack (J1) 32 + 0.01 F AM RF signal generator 30% amplitude modulation by 400 Hz signal Output level: as low as possible Put the lead-wire antenna close to the set. level meter set earphone jack (J1) 32 + (): Italian model, : East European model FM FREQUENCY COVERAGE ADJUSTMENT Adjust for a maximum reading on level meter. L386.5 MHz (87.35 MHz) 64.0 MHz CT3109.5 MHz (108.25 MHz) 109.5 MHz FM TRACKING ADJUSTMENT Adjust for a maximum reading on level meter. L286.5 MHz (87.35 MHz) 64.0 MHz CT2109.5 MHz (108.25 MHz) 109.5 MHz AM IF ADJUSTMENT Adjust for a maximum reading on level meter. T1455 kHz AM FREQUENCY COVERAGE ADJUSTMENT (ICF-8) Adjust for a maximum reading on level meter. L4520 kHz (516.5 kHZ) CT41,650 kHz (1,631.5 kHz) AM TRACKING ADJUSTMENT (ICF-8) Adjust for a maximum reading on level meter. L1620 kHz CT11,400 kHz LW FREQUENCY COVERAGE ADJUSTMENT (ICF-8L) Adjust for a maximum reading on level meter. L4145 kHz CT6265 kHz LW TRACKING ADJUSTMENT (ICF-8L) Adjust for a maximum reading on level meter. L1160 kHz CT5240 kHz AM Tracking Adjustment L1 CT1 FM Tracking Adjustment T1 AM IF Adjustment FM Antenna IN CT2 L2 LW Tracking Adjustment L1 CT5 FM Frequency Coverage Adjustment J1 CT3 L3 LW Frequency Coverage Adjustment CT6 L4 AM Frequency Coverage Adjustment L4 CT4 SECTION 4 DIAGRAMS IC Block Diagram IC1CXA1019M FM FE TUNING METER AM IF DET AGC AF POWER AMP FM IF FM/AM IF OUT FM RF IN FE GND NC AM RF IN FM RF FM OSC REG OUT AFC AM OSC NF VOL FM DISCRI GND FM/AM BAND SELECT FM IF IN AM IF IN NC METER IF GND DET OUT AFC AGC AFC AGC AF IN RIPPLE FILTER AF OUT VCC GND AM FE FM DISCRIMINATOR 1413 1211 10987216534 15 16171819 20212223 24252627 28 MarkCenter frequency red10.70 MHz blue10.67 MHz orange10.73 MHz black10.64 MHz white10.76 MHz HOW TO CHANGED THE CERAMIC FILTERS This model is used two ceramic filters of CF2 and CF3. You must used same type of color marked ceramic filters in order to meet same specifications. Therefore, the ceramic filter must changed two pieces together since its supply two pieces in one package as a spare parts. CF2 CF3 mark RadioFans.CN RadioFans.CN RadioFans.CN 11 12 SECTION 5 EXPLODED VIEW Items marked “*” are not stocked since they are seldom required for routine service. Some delay should be anticipated when ordering these items. The mechanical parts with no reference num- ber in the exploded views are not supplied. Accessories and packing materials are given in the last of the electrical parts list. NOTE: -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 Abbreviation EE: East European FR: French IT: Italian Ref. No.Part No.DescriptionRemarkRef. No.Part No.DescriptionRemark 13-027-092-01 PLATE, TRANSPARENT (ICF-8) 13-027-092-11 PLATE, TRANSPARENT (FR) 13-027-092-21 PLATE, TRANSPARENT (EE) 23-027-089-01 CABINET (FRONT) (ICF-8) 23-027-089-11 CABINET (FRONT) (ICF-8L) 33-027-106-01 TERMINAL (+), BATTERY 43-027-096-01 POINTER 53-027-093-01 KNOB (TUNE) * 6A-3683-011-A MAIN BOARD, COMPLETE (AEP, UK, E) * 6A-3683-012-A MAIN BOARD, COMPLETE (IT) * 6A-3683-013-A MAIN BOARD, COMPLETE (FR) * 6A-3683-014-A MAIN BOARD, COMPLETE (EE) 73-027-094-01 KNOB (VOL) 83-027-095-01 HOLDER (FERRITE-ROD ANTENNA) 93-318-203-61 SCREW (B1.7X4), TAPPING 107-623-505-01 LUG, 2 113-027-090-01 CABINET (REAR) 127-685-105-14 TAPPING +P 2X8 NON-SLIT 133-027-091-01 LID, BATTERY CASE 143-027-108-01 CUSHION (BATTERY) 153-027-107-01 TERMINAL (-), BATTERY 163-893-381-01 STRAP, HAND ANT11-501-247-21 ANTENNA, TELESCOPIC L11-754-018-11 ANTENNA, FERRITE-ROD (LW) (ICF-8L) L11-754-019-11 ANTENNA, FERRITE-ROD (MW) (ICF-8) SP11-503-616-11 SPEAKER Ref. No.Part No.DescriptionRemarkRef. No.Part No.DescriptionRemark *A-3683-011-A MAIN BOARD, COMPLETE (AEP, UK, E) *A-3683-012-A MAIN BOARD, COMPLETE (IT) *A-3683-013-A MAIN BOARD, COMPLETE (FR) *A-3683-014-A MAIN BOARD, COMPLETE (EE) * 3-027-094-01 KNOB (VOL) 3-027-095-01 HOLDER (FERRITE-ROD ANTENNA) C11-163-141-00 CERAMIC CHIP0.001uF5%50V C21-161-051-00 CERAMIC0.01uF10%50V (ICF-8) C21-161-055-00 CERAMIC0.022uF10%50V (ICF-8L) C31-104-664-11 ELECT47uF20%16V C41-163-106-00 CERAMIC CHIP36PF5%50V (EE) C41-163-235-11 CERAMIC CHIP22PF5%50V (EXCEPT IT, EE) C41-163-237-11 CERAMIC CHIP27PF5%50V (IT) C51-163-091-00 CERAMIC CHIP8PF50V (EE) C51-163-235-11 CERAMIC CHIP22PF5%50V (EXCEPT IT, EE) C51-163-237-11 CERAMIC CHIP27PF5%50V (IT) C61-163-097-00 CERAMIC CHIP15PF5%50V (EE) C61-163-104-00 CERAMIC CHIP30PF5%50V (EXCEPT IT, EE) C61-163-106-00 CERAMIC CHIP36PF5%50V (IT) C71-163-021-00 CERAMIC CHIP0.01uF10%50V C81-126-963-11 ELECT4.7uF20%50V C91-163-021-00 CERAMIC CHIP0.01uF10%50V C101-126-963-11 ELECT4.7uF20%50V C111-126-963-11 ELECT4.7uF20%50V C121-124-907-11 ELECT10uF20%50V C131-163-038-00 CERAMIC CHIP0.1uF25V C141-161-051-00 CERAMIC0.01uF10%50V (ICF-8L) C141-161-055-00 CERAMIC0.022uF10%50V (ICF-8) C151-124-907-11 ELECT10uF20%50V C161-126-925-11 ELECT470uF20%10V SECTION 6 ELECTRICAL PARTS LIST NOTE: Due to standardization, replacements in the parts list may be different from the parts speci- fied 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 order- ing 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. Abbreviation EE: East European FR: French IT: Italian C171-164-346-11 CERAMIC CHIP1uF16V C181-164-346-11 CERAMIC CHIP1uF16V (ICF-8) C181-164-505-11 CERAMIC CHIP2.2uF16V (ICF-8L) C191-104-666-11 ELECT220uF20%6.3V C201-163-251-11 CERAMIC CHIP100PF5%50V C211-163-222-11 CERAMIC CHIP5PF0.25PF 50V (ICF-8) C211-163-235-11 CERAMIC CHIP22PF5%50V (ICF-8L) C221-163-093-00 CERAMIC CHIP10PF5%50V (ICF-8) C221-163-121-00 CERAMIC CHIP150PF5%50V (ICF-8L) C231-163-021-00 CERAMIC CHIP0.01uF10%50V (ICF-8L) C241-163-141-00 CERAMIC CHIP0.001uF5%50V C251-163-141-00 CERAMIC CHIP0.001uF5%50V CF11-577-072-11 FILTER, CERAMIC (ICF-8) CF11-781-035-11 FILTER, CERAMIC (ICF-8L) CF21-579-632-51 FILTER, CERAMIC CF31-579-632-51 FILTER, CERAMIC CV11-141-497-11 CAP, VAR (TUNE) (EXCEPT EE) CV11-141-498-11 CAP, VAR (TUNE) (EE) CT1-41-141-497-11 CAP, VAR (EXCEPT EE) CT1-41-141-498-11 CAP, VAR (EE) CT51-141-604-11 CAP, ADJ (ICF-8L) CT61-141-604-11 CAP, ADJ (ICF-8L) D18-719-991-33 DIODE 1SS133T-77 D28-719-991-33 DIODE 1SS133T-77 D38-719-059-87 DIODE SLR-342VRTB7 (TUNE) IC18-752-050-16 IC CXA1019M MAIN 1 2 3 SP1 4 6 7 9 10 11 12 8 ANT1 L1 5 15 16 14 13 RadioFans.CN 13 Ref. No.Part No.DescriptionRemarkRef. No.Part No.DescriptionRemark MAIN J11-770-666-11 JACK () L11-754-018-11 ANTENNA, FERRITE-ROD (LW) (ICF-8L) L11-754-019-11 ANTENNA, FERRITE-ROD (MW) (ICF-8) L21-416-799-11 COIL, AIR-CORE (EXCEPT EE) L21-416-800-11 COIL, AIR-CORE (EE) L31-422-131-00 COIL, FM OSCILLATION (EXCEPT IT, EE) L31-428-768-11 COIL, AIR-CORE (EE) L31-460-018-11 COIL (WITH CORE)( IT) L41-406-028-00 COIL, OSC (MW) L51-416-459-11 COIL, AIR-CORE L61-410-294-11 INDUCTOR 38uH (ICF-8L) R11-216-057-00 METAL CHIP2.2K5%1/10W R21-216-045-00 METAL CHIP6805%1/10W R31-216-053-00 METAL CHIP1.5K5%1/10W R41-216-013-00 METAL CHIP335%1/10W R61-216-057-00 METAL CHIP2.2K5%1/10W (ICF-8L) R71-216-061-00 METAL CHIP3.3K5%1/10W (EXCEPT IT) R91-216-071-00 METAL CHIP8.2K5%1/10W R101-216-063-00 RES, CHIP3.9K5%1/10W RV11-225-441-41 RES, VAR, CARBON 50K (VOL) S11-572-633-11 SWITCH, SLIDE (BAND) T11-404-790-11 TRANSFORMER, IF (ICF-8) T11-404-902-11 TRANSFORMER, IF (ICF-8L) * MISCELLANEOUS * ANT11-501-247-21 ANTENNA, TELESCOPIC SP11-503-616-11 SPEAKER * ACCESSORIES & PACKING MATERIALS * 3-864-359-11 MANUAL, INSTRUCTION (ENGLISH, FRENCH, GERMAN, SPANISH, DUTCH, ITALIAN, PORTUGUESE, RUSSIAN, CHINESE) RadioFans.CN 14 ICF-8/8L Sony Corporation Personal A&V Products Company9-924-922-11 98F0565-1 Printed in Japan 1998. 6 Published by Quality Engineering Dept. (Shibaura) RadioFans.CN SERVICE MANUAL ICF-8/8L SUPPLEMENT-1 File this supplement with the service manual. AEP Model UK Model ICF-8/8L E Model ICF-8 Subject: Addition of Silver Color Model (ENG-98006) EXPLODED VIEWS (Service Manual see page 11) Before change After change Ref. No Part No. Description Remark Part No. Description Remark 2 3-027-089-01 CABINET (FRONT) (ICF-8) 11 3-027-090-01 CABINET (REAR) 13 3-027-091-01 LID, BATTERY CASE 3-027-089-01 CABINET (FRONT) (DARK GRAY) (ICF-8) 3-027-089-31 CABINET (FRONT) (SILVER) (ICF-8 : AEP, UK) 3-027-090-01 CABINET (REAR) (DARK GRAY) 3-027-090-21 CABINET (REAR) (SILVER) (ICF-8 : AEP, UK) 3-027-091-01 LID, BATTERY CASE (DARK GRAY) 3-027-091-21 LID, BATTERY CASE (SILVER) (ICF-8 : AEP, UK) Sony Corporation Personal A&V Products Company 98I0534-1D Printed in Japan 1998. 9 Published by Quality Engineering Dept. (Shibaura)9-924-922-81 1998. 09 RadioFans.CN SERVICE MANUAL 1 23-027-089-01 CABINET (FRONT) (DARK GRAY) (ICF-8) 3-027-089-31 CABINET (FRONT) (SILVER) (ICF-8: AEP, UK) 4 113-027-090-01 CABINET (REAR) (DARK GRAY) 3-027-090-21 CABINET (REAR) (SILVER) (ICF-8: AEP, UK) 133-027-091-01 LID, BATTERY CASE (DARK GRAY) 3-027-091-21 LID, BATTERY CASE (SILVER) (ICF-8: AEP, UK) ICF-8/8L SUPPLEMENT-2 File this supplement with the service manual. AEP Model UK Model ICF-8/8L E Model ICF-8 Subject: Addition of ICF-8 (6E) ORANGE Color Model EXPLODED VIEWS (Supplement-1 see page 1) Before ChangeAfter Change Part No.DescriptionRemark 3-027-092-51 PLATE, TRANSPARENT (ICF-8: 6E) 3-027-089-01 CABINET (FRONT) (DARK GRAY) (ICF-8) 3-027-089-31 CABINET (FRONT) (SILVER) (ICF-8: AEP, UK) 3-027-089-41 CABINET (FRONT) (ORANGE) (ICF-8: 6E) 3-027-096-11 POINTER (ORANGE) (ICF-8: 6E) 3-027-090-01 CABINET (REAR) (DARK GRAY) 3-027-090-21 CABINET (REAR) (SILVER) (ICF-8: AEP, UK) 3-027-090-31 CABINET (REAR) (ORANGE) (ICF-8: 6E) 3-027-091-01 LID, BATTERY CASE (DARK GRAY) 3-027-091-11 LID, BATTERY CASE (ORANGE) (ICF-8: 6E) 3-027-091-21 LID, BATTERY CASE (SILVER) (ICF-8: AEP, UK) Ref. No.Part No.DescriptionRemark (ENG-00003) Sony Corporation Personal Audio Division Company 2000C0566-1 Printed in Japan C 2000. 3 Published by General Engineering Dept.9-924-922-82 2000. 03 RadioFans.CN SERVICE MANUAL 2000. 10 23-027-089-31 CABINET (FRONT) (SILVER) (ICF-8: AEP, UK) 113-027-090-21 CABINET (REAR) (SILVER) (ICF-8: AEP, UK) 133-027-091-21 LID, BATTERY CASE (SILVER) (ICF-8: AEP, UK) ICF-8/8L SUPPLEMENT-3 File this supplement with the service manual. AEP Model UK Model ICF-8/8L E Model ICF-8 Subject: Addition of ICF-8 (E, 6E) Silver Color Model EXPLODED VIEWS (Supplement-2 see page 1) Before ChangeAfter Change Part No.DescriptionRemark 3-027-089-31 CABINET (FRONT) (SILVER) (ICF-8: AEP, UK, E, 6E) 3-027-090-21 CABINET (REAR) (SILVER) (ICF-8: AEP, UK, E, 6E) 3-027-091-21 LID, BATTERY CASE (SILVER) (ICF-8: AEP, UK, E, 6E) Ref. No.Part No.DescriptionRemark (ENG-00017) Sony Corporation Audio Entertainment Group 2000J0515-1D Printed in Japan C 2000. 10 Published by General Engineering Dept.9-924-922-83 RadioFans.CN