sony_icf-m410s_service_manual 电路图 维修原理图.pdf

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1、ICF-M410S AEP Model E Model SERVICE MANUAL FM STEREO/SW/MW PLL SYNTHESIZED RADIO Sony Corporation Personal Audio Company Shinagawa Tec Service Manual Production Group 9-873-157-01 2001E1600-1 2001.5 SPECIFICATIONS Ver 1.0 2001. 05 Speaker: 7.7 cm (318 inches) 8 Power output: 200 mW (at 10 % harmonic

2、 distortion) Output: v (earphone) jack (3.5 mm minijack) Power requirements: 4.5 V DC, three R6 (size AA) batteries External power source: DC IN 4.5 V Dimensions: Approx. 205 104 40.5 mm (w/h/d) (Approx. 8 1/3 4 1/8 1 5/8 inches) not incl. projecting parts and controls Approx. 212 104 42.5 mm (w/h/d

3、) (Approx. 8 3/8 4 1/8 1 11/16 inches) incl. projecting parts and controls Mass: Approx. 504 g (17.8 oz ) incl. batteries Design and specifications are subject to change without notice. RadioFans.CN 2 TABLE OF CONTENTS ICF-M410S Notes on chip component replacement Never reuse a disconnected chip com

4、ponent. 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 touch the soldering iron on the same conductor of the circuit board (within 3 times). Be careful not to appl

5、y force on the conductor when soldering or unsoldering. 1. GENERAL 3 2. DISASSEMBLY 4 3. ELECTRICAL ADJUSTMENTS 5 4. DIAGRAMS 4-1.Block Diagram 7 4-2.Schematic Diagram 8 4-3.Printed Wiring Board 9 4-4.IC Pin Function Description 10 4-5.IC Block Diagram 10 5. EXPLODED VIEWS 11 6. ELECTRICAL PARTS LIS

6、T 12 RadioFans.CN 3 ICF-M410S This section is extracted from instruction manual. SECTION 1 GENERAL * Telescopic Antenna TUNE/TIME SET VOL DC IN 4.5V v jack Setting the Clock The display will flash “0:00” when the batteries are installed or the AC power adaptor is plugged in for the first time. The c

7、lock can be adjusted when the radio is off. 1To stop flashing of the display, press CLOCK (mb/CLOCK for ICF-M410S). 2While holding down CLOCK, turn TUNE/TIME SET to set the clock to the current time. When you turn the control knob a little to or , the clock digits move forward or back one by one, an

8、d when you turn the control knob further to or , the clock digits move rapidly. When you release CLOCK, the clock starts operating, and “:” starts flashing. 24-hour system : “0:00” = midnight, “12:00” = noon RadioFans.CN 4 ICF-M410S SECTION 2 DISASSEMBLY Note :Follow the disassembly procedure in the

9、 numerical order given. 9Screw (+PTPWH 2 8) 1Screw (+B 3 6) 3Five screws (+BTP 3 14) q;Two screws (+P 2 8) qfTwo screws (+P 2 8) 6Screw (+PTPWH 2.6 8) 7Side panel (L) qsSide panel (R) qdArm (jog) 8JACK board qgKEY board qjMAIN board qhKnob 2Antenna, telescopic Cabinet rear 4Claws qaClaws Remove the

10、Claws Remove the Claws Knob (jog) 5Plate, contact Cabinet (front) sub assy RadioFans.CN 5 ICF-M410S SECTION 3 ELECTRICAL ADJUSTMENTS BAND : MW/SW Repeat the procedures in each adjustment several times for the maximum level meter indication. The frequency coverage and tracking adjustments should be f

11、inally done by the trimmer capacitors. FM SECTION Adjustment Location : Main board (Component side) Put the lead-wire antenna close to the set. 30% amplitude modulation by 400Hz signal. Output level : as low as possible AM RF signal generator 0.01F FM RF signal generator telescopic antenna terminal

12、75kHz (100%) amplitude modulation by 1kHz signal. Output level : as low as possible 16 set + level meter Speaker terminal (EPJ301) AM IF ADJUSTMENT Adjust for a maximum reading on level meter. T1621 kHz FM TRACKING ADJUSTMENT Adjust for a maximum reading on level meter. L1787.5 MHz CT3108 MHz BAND :

13、 FM MAIN BOARD 1 1516 30 IC1 (Component side) L4,CT1 SW TRACKING adjustment L17,CT3 FM TRACKING adjustment T1 AM IF adjustment CT2 MW TRACKING adjustment L11 MW FREQUENCY COVERAGE adjustment L9 SW FREQUENCY COVERAGE adjustment MW/SW SECTION MW/SW TRACKING ADJUSTMENT Adjust for a maximum reading on l

14、evel meter. SW L45,800 kHz CT115,900 kHz MW ANT102621 kHz CT21,404 kHz MW/SW FREQUENCY COVERAGE ADJUSTMENT Adjust for a maximum reading on level meter. SWL95,800 kHz MWL11531 kHz RadioFans.CN 6 ICF-M410S SECTION 4 DIAGRAMS Note on Schematic Diagram: All capacitors are in F unless otherwise noted. p:

15、 pF. 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. f: internal component. C : panel designation. A : B+ Line. H : adjustment for repair. Voltages are dc with respect to ground under no-signal (detuned) condi

16、tions. no mark : FM : Impossible to measure Voltages are taken with a VOM (Input impedance 10 M). Voltage variations may be noted due to normal produc- tion tolerances. Signal path. F: FM f: AM (SW) The components identified by mark 0 or dotted line with mark 0 are critical for safety. Waveform 2Vp-

17、p 1 IC101 wf (XOUT) 1.4V Note on Printed Wiring Board: X : parts extracted from the component side. : Pattern from the side which enables seeing. RadioFans.CN 77 ICF-M410S 4-1. BLOCK DIAGRAM : FM B.P.F D2 Q10 13 BPF1 Q1 SW RF AMP Q4 MW RF AMP Q2 Q5 Q6 Q7 Q3 INVERTER Q8 BUFFER Q9 BUFFER L4 SW RF ANT1

18、02 (FERRITE-ROD) 13 10 8 FM RF IN FM RF FM OSC AM RF IN L9 SW OSC L11 MW OSC 6AM OSC 11 L17L18 FM RF L14 FM OSC 9REG VT VT 1518 17 IF OUT 3 FM DISCRI 7AFC CF2CF3 CF1 CF4 10.7MHz 450kHz450kHz IFT T1 FM IF IN AM IF IN 2 16BAND CT2 CT1 CT3 Q11 20METER 24 25 DET AF IN Q13 AF OUT 27B + VOL5 Q14 NF RV1 IC

19、1 FM/AM FRONT-END,IF,DET,AF AMP ANT101 (TELESCOPIC) BAND(MW/SW) BAND(FM/AM) MAIN BOARD IC2 3.0V REG VOUT VIN1 IC3 3.0V REG VOUT VIN1 2 +3V-2 +3V-2 +3V-2 Q15,Q16 + + JACK BOARD DCJ301 EPJ301 SP301 DC IN 4.5V EARPHONE ) ( SPEAKER ) 28 2 VT VDET VCOL VCOH VDD GND BAND(FM/AM) BAND(MW/SW) MUTE BEEP B + P

20、OWER BAND(FM/AM) BAND(MW/SW) MUTE BEEP POWER CN1 W101 CN2 W102 VDD23 4 5 2 3 52 Q101 AMP 20 21 VCOL VCOH DC/DC CONVERTER TUNING CONTROL Q153,Q154,T101 Q151,Q152 19 IC102 +3.2V VOLTAGE DET. IC103 +2.5V VOLTAGE DET. 1 1 2 2 53 50 BATT LOW CE 35 49 9 6 15 1 34 31 16 19 13 10 LCD0 LCD14 COM0 COM3 KEY SC

21、AN0 KEY SCAN3 KEY RET0 KEY RET3 51 INT VDD VDD S115 HOLD 24 25 XOUT XIN X101 75kHz IC101 DIGITAL TUNING SYSTEM CONTROL S101-S114 KEY MATRIX LCD101 Signal Path KEY BOARD VT EO VDDVOUT VDDVOUT 4 BAT301 (+13V) ( MW FREQUENCY COVERAGE SW TRACKING SW FREQUENCY COVERAGE FM TRACKING MW TRACKING VOL DRY BAT

22、TERY SIZE AA (IEC DESIGNATION R6) 3PCS, 4.5V AM IF OFF ON R RadioFans.CN 88 ICF-M410S 4-2. SCHEMATIC DIAGRAM IC B/D See page 6 for Wavefoms. See page 10 for IC Pin Function Description. See page 10 for IC Block Diagrams. RadioFans.CN 99 ICF-M410S 4-3. PRINTED WIRING BOARD IC101 IC102 IC103 IC2 IC1 I

23、C3 MIN MAX VOL RV1 JW3 3 2 15 4 1 2 34 5 C55 1-681-632- 1 5 W1 JW1 JW24 C E B K K C E B 1 1 7 7 CN1 CN2 JW6 JW5 JW4 C E B C E B C E BK K JW7 JW8 CF1 L8 C40 C44 C46 JW9 T1 15 16 1 30 JW10 CF4 C51 JW13 C E B CE B C E B JW18 L9 L11 CT2 JW12JW16 K K G K K K CT3 L17 L18 C17 JW15 C49 BPF1 1 3 K JW14 CT1 L

24、4 C8 K G B E C B E C C B E K E B C JW17 ANT102 MW FERRITE-ROD ANTENNA ANT101 FM/SW TELESCOPIC ANTENNA MAIN BOARD 11 (11) JW11 CF2 CF3 JACK BOARD SP301 EPJ301 DCJ301 DC IN 4.5V C302 JW301 W301 5 1 1-681-633- K K K DRY BATTERY SIZE AA (IEC DESIGNATION R6) 3PCS, 4.5V 11 (11) TP22 (RFGND) TP20 (NET)TP2

25、(DET) TP21 (+B) TP1 (GND) TP17 (VCOH) TP19 (VT) TP11 (MW/SW) TP13 (BEEP) TP12 (MUTE) TP1 (FM/AM) TP9 (POWER) TP8 (+B) TP6 (GND) TP7 (SP+) TP5 (GND) TP4 (VDD) TP15 (VDET) TP3 (+B) TP18 (RFGND) TP14 (VCOL) B C E TP16 (3V) GRN RED mb/CLOCK S102 POWER S115 HOLD S106 S105 S104 S108 S103 SLEEP S111 PRESET

26、 TUNING 1 S112 PRESET TUNING 3 S110 PRESET TUNING 2 S113 PRESET TUNING 5 S114 PRESET TUNING 4 S107 STANDBY S101 S109 BAND SELECT/ PRESET TP112 (VCOH) TP107 (VCOL) TP109 (GND) TP113 (RFGND) TP114 (VT) TP110 (3V) TP108 (VDET) TP101 (+B) TP111 (GND) TP106 (BEEP) TP116 (13V) TP115 (ED) TP102 (POWER) TP1

27、03 (MUTING) TP104 (MW/SW) TP105 (FM/AM) LCD101 1 5101519 1 14 15 28 29 4243 56 JW122 JW111 JW112 JW113 JW114 JW115 JW116 JW103 JW119 JW18 JW117 JW110 JW109 JW108 JW102 JW101 JW107 JW106 JW105 JW104 JW120 X101 T101 C123 C156 C153 W101 W102 1-681-634- 11 (11) KEY BOARD C119 R140 R137 R101 C122 C118 R1

28、36 R134 R141 R133 R132 R139 R131 R130 R129 R128 C117 R127 R126 R125 R124 R123 R122 R121 R120 R119 R118 R117 R116 R138 C116 C114 C113 C111 C112 C110 C115 R115 C109 R108 R105 R151 C158 C152 C131 R152C151 R142 C132 C121 Q151 Q152 EE Q101 E R147 C135 R148 C136R146 JW121 R142 R149 C137 CJ101C159 CJ102 CJ

29、107 11 C134 C133 R144 R143 C120 C121 1 2 34 1 2 34 Q154 E Q153 E R154 R158 C157 R157 D102 D101 C155 R155 R156 C154 L101 K K R112 R111 C108C104 C105 R109 C107 C104C102 R106 C101 R110 JC106 JC105 R107 C103 R152 R104 R102 R103 JC103 ONOFF t 12 A B C D E F G H 34567891011 Ref. No.Location D101D-5 D102D-

30、5 IC101B-2 IC102B-4 IC103B-4 Q101B-3 Q151B-3 Q152B-3 Q153C-4 Q154D-4 Semiconductor Location KEY BOARD Ref. No.Location D1G-1 D2F-3 D3F-3 D4F-3 D5G-3 D6F-3 D7G-4 D9F-4 D10G-4 D11F-7 D12G-6 D13G-7 D14G-6 IC1G-5 IC2G-7 IC3G-7 Semiconductor Location MAIN BOARD Ref. No.Location Q1F-2 Q2G-2 Q3G-2 Q4G-3 Q5

31、G-2 Q6H-4 Q7H-3 Q8H-4 Q9G-5 Q10F-6 Q11F-6 Q13G-6 Q14H-2 Q15G-7 Q16F-7 RadioFans.CN 1010 ICF-M410S 4-4.IC PIN FUNCTION DESCRIPTION IC101 uPD17072GB-565-1A7(DIGITAL TUNING SYSTEM CONTROL) 4-5.IC BLOCK DIAGRAM IC1 CXA1019S Pin No. 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27

32、28 29 30 31 32 33 34 35-49 50 51 52 53 54 55 56 I/O O O O O O O O O O I I I I O I I O O I O O O O O O O O I I O I I Description For pull-up of INITIAL, L:CE = at L Radio power control signal output. Muting signal output. “Band select signal output. L:MW, H:LW/SW” “Band select signal output. L:FM/TV,

33、 H:AM” Key source signal output. Key source signal output. Key source signal output. Key source signal output. Key return signal input. Key return signal input. Key return signal input. Key return signal input. Not used. Not used. Not used. Not used. Ground. Error signal output. AM VCO (local oscill

34、ation) frequency input. FM VCO (local oscillation) frequency input. Regulater for PLL output. Power supply (+3V). Pin for connecting crystal resonator for system clock. Pin for connecting crystal resonator for system clock. Regulater for PLL output. LCD drive voltage output. Pin for capacitor connec

35、tion for LCD drive voltage. Pin for capacitor connection for LCD drive voltage. LCD drive voltage output. LCD common signal output. LCD common signal output. LCD common signal output. LCD common signal output. LCD segment signal output. Chip select emable input. Hold input. L:ON BEEP signal output.

36、Low voltage detect signal input. Not used. Connected to L. Not used. Pin Name VOUT POWER MUTING BAND(MW/SW) BAND(FM/AM) KEY SCAN0 KEY SCAN1 KEY SCAN2 KEY SCAN3 KEY RET0 KEY RET1 KEY RET2 KEY RET3 NC NC NC NC GND EO VCOL VCOH REG 0 VDD X OUT X IN REG 1 REG LCD0 CAP LCD0 CAP LCD1 REG LCD1 COM 0 COM 1

37、COM 2 COM 3 LCD 0 - 14 CE INT BEEP BAT LOW NC INITIAL NC 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 F

38、M/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 RadioFans.CN SECTION 5 EXPLODED VIEWS 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

39、routine service. Some delay should be anticipated when ordering these items. The mechanical parts with no reference number in the exploded views are not supplied. Hardware (# mark) list and accessories and packing materials are given in the last of this parts list. 11 ICF-M410S Ref. No.Part No.Descr

40、iptionRemarksRef. No.Part No.DescriptionRemarks 13-228-706-01TERMINAL (+), BATTERY 23-228-694-01SIDE PANEL (L) 33-228-700-01KNOB (HOLD) * 4A-3062-447-A KEY BOARD, COMPLETE 53-228-693-01CHASSIS 63-228-707-01TERMINAL (-), BATTERY 73-228-708-01SPRING (JOG) 83-380-333-21KNOB * 9A-3021-469-A MAIN BOARD,

41、COMPLETE 103-228-696-01BATTERY COVER 113-370-475-01SCREW (NYLOCK +B 3X6) 123-228-692-01CABINET REAR 133-228-709-01PLATE, CONTACT 143-228-704-01ARM (JOG) 153-228-699-01BUTTON (KEY) 163-228-703-01KNOB (JOG) 173-228-695-01SIDE PANEL (R) 183-228-698-01BUTTON (PRESET) 193-228-701-01BUTTON (POWER) 207-685

42、-105-19SCREW +P 2X8 TYPE2 NON-SLIT 217-685-134-19SCREW +P 2.6X8 TYPE2 NON-SLIT 227-685-549-14SCREW +BTP 3X14 TYPE2 N-S 231-681-636-11JACK BOARD 24X-3380-862-1CABINET (FRONT) SUB ASSY ANT101 1-501-222-31ANTENNA, TELESCOPIC ANT102 1-424-814-11COIL, FERRITE-ROD ANTENNA (MW) SP3011-544-793-11SPEAKER (7.

43、7cm) ANT101 SP301 10 11 13 8 12 not supplied ANT102 9 7 6 14 15 16 17 18 19 1 3 4 5 2 20 20 20 22 20 23 21 24 RadioFans.CN 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, -X mean standardiz

44、ed 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. METAL: metal-film resistor METAL O

45、XIDE: Metal Oxide-film resistor F: nonflammable COILS uH: H The components identified by mark 0 or dotted line with mark 0 are critical for safety. Replace only with part number specified. SEMICONDUCTORS In each case, u: , for example: uA.: A. , uPA. , PA. , uPB. , PB. , uPC. , PC. , uPD., PD. When

46、indicating parts by reference number, please include the board name. Ref. No.Part No.DescriptionRemarksRef. No.Part No.DescriptionRemarks 12 SECTION 6 ELECTRICAL PARTS LIST ICF-M410S 1-681-636-11JACK BOARD * C3021-126-926-11ELECT1000uF20.00% 10V D3018-719-975-40DIODE RB411D-T146 D3028-719-988-61DIOD

47、E 1SS355TE-17 D3038-719-069-29DIODE RB520S-30TE61 DCJ301 1-580-681-21JACK,DC(POLARITY UNIFIED TYPE)(DC IN 4.5V) EPJ3011-563-836-21JACK() R3011-216-809-11METAL CHIP1005%1/16W R3021-216-805-11METAL CHIP475%1/16W * *A-3062-447-A KEY BOARD, COMPLETE * 3-228-702-01HOLDER (LCD) *3-228-710-01SHIELD CASE (L

48、CD) *3-228-711-01SHIELD PLATE (A) *3-230-978-01SHIELD, PLATE (B) *3-230-979-01SHIELD, PLATE (C) C1011-164-315-11CERAMIC CHIP470PF5.00%50V C1021-164-315-11CERAMIC CHIP470PF5.00%50V C1031-164-315-11CERAMIC CHIP470PF5.00%50V C1041-164-315-11CERAMIC CHIP470PF5.00%50V C1091-164-156-11CERAMIC CHIP0.1uF25V

49、 C1101-115-156-11CERAMIC CHIP1uF10V C1111-162-922-11CERAMIC CHIP39PF5.00%50V C1121-162-917-11CERAMIC CHIP15PF5%50V C1131-115-156-11CERAMIC CHIP1uF10V C1141-115-156-11CERAMIC CHIP1uF10V C1151-164-156-11CERAMIC CHIP0.1uF25V C1161-115-416-11CERAMIC CHIP0.001uF5.00%25V C1171-164-156-11CERAMIC CHIP0.1uF25V C1181-162-970-11CERAMIC CHIP0.01uF10%25V C1191-164-156-11CERAMIC CHIP0.1uF25V C1201-162-970-

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