Sony ICF-M88B - S2 Sports Bicycle Radio Service Manual Download

Page: 21 / 24

Ref. No.

Part No.

Description

Remark

Ref. No.

Part No.

Description

Remark

ICF-M88B

C23

1-115-156-11 CERAMIC CHIP

1uF

10V

C24

1-115-156-11 CERAMIC CHIP

1uF

10V

C25

1-126-916-11 ELECT

1000uF

20%

6.3V

C26

1-162-970-11 CERAMIC CHIP

0.01uF

10%

25V

C27

1-126-157-11 ELECT

10uF

20%

16V

C28

1-162-908-11 CERAMIC CHIP

3PF

0.25PF 50V

C29

1-162-970-11 CERAMIC CHIP

0.01uF

10%

25V

C30

1-115-156-11 CERAMIC CHIP

1uF

10V

C31

1-124-257-00 ELECT

2.2uF

20%

35V

C32

1-164-227-11 CERAMIC CHIP

0.022uF

10%

25V

C34

1-126-518-11 ELECT

470uF

20%

C35

1-162-968-11 CERAMIC CHIP

0.0047uF

10%

50V

C36

1-162-970-11 CERAMIC CHIP

0.01uF

10%

25V

C37

1-162-919-11 CERAMIC CHIP

22PF

50V

C38

1-162-927-11 CERAMIC CHIP

100PF

50V

C39

1-162-919-11 CERAMIC CHIP

22PF

50V

C40

1-162-927-11 CERAMIC CHIP

100PF

50V

C42

1-107-826-11 CERAMIC CHIP

0.1uF

10%

16V

C43

1-127-715-11 CERAMIC CHIP

0.22uF

10%

16V

C44

1-162-966-11 CERAMIC CHIP

0.0022uF

10%

50V

C45

1-115-156-11 CERAMIC CHIP

1uF

10V

C46

1-162-927-11 CERAMIC CHIP

100PF

50V

C47

1-162-970-11 CERAMIC CHIP

0.01uF

10%

25V

< FILTER >

CF1

1-781-962-21 FILTER, CERAMIC

CF2

1-795-846-11 FILTER, CERAMIC

CF3

1-781-859-11 DISCRIMINATOR, CERAMIC

< TRIMMER >

CT1

1-141-304-21 CAP, CERAMIC TRIMMER

CT2

1-141-304-21 CAP, CERAMIC TRIMMER

< DIODE >

8-719-072-59 DIODE SVC347S-TL-E

8-719-084-67 DIODE HVU202ATRU

8-719-941-86 DIODE DAN202U

< IC >

IC1

8-752-050-16 IC CXA1019M

IC2

6-701-908-01 IC LC72122V-TLM-E

< SHORT >

JC3

1-216-864-11 SHORT CHIP

JC4

1-216-864-11 SHORT CHIP

JC5

1-216-864-11 SHORT CHIP

JC6

1-216-864-11 SHORT CHIP

JC8

1-216-864-11 SHORT CHIP

JC9

1-216-864-11 SHORT CHIP

JC10

1-216-864-11 SHORT CHIP

JC11

1-216-864-11 SHORT CHIP

JC12

1-216-864-11 SHORT CHIP

< COIL >

1-456-791-11 COIL, OSCILLATION

1-456-851-11 COIL, AIR-CORE

1-456-788-11 COIL, AIR-CORE

1-412-959-11 INDUCTOR

47uH

< TRANSISTOR >

8-729-905-35 TRANSISTOR

2SC4081-R

8-729-028-97 TRANSISTOR

DTC114TUA-T106

8-729-026-52 TRANSISTOR

2SA1576A-T106-R

< RESISTOR >

1-216-833-11 METAL CHIP

10K

1/10W

1-216-857-11 METAL CHIP

1/10W

1-216-845-11 METAL CHIP

100K

1/10W

1-216-837-11 METAL CHIP

22K

1/10W

1-216-845-11 METAL CHIP

100K

1/10W

1-216-833-11 METAL CHIP

10K

1/10W

1-216-825-11 METAL CHIP

2.2K

1/10W

1-216-825-11 METAL CHIP

2.2K

1/10W

1-216-825-11 METAL CHIP

2.2K

1/10W

R10

1-216-817-11 METAL CHIP

470

1/10W

R11

1-216-805-11 METAL CHIP

1/10W

R12

1-216-829-11 METAL CHIP

4.7K

1/10W

R13

1-216-833-11 METAL CHIP

10K

1/10W

R14

1-216-833-11 METAL CHIP

10K

1/10W

R17

1-216-833-11 METAL CHIP

10K

1/10W

R19

1-216-829-11 METAL CHIP

4.7K

1/10W

R20

1-216-825-11 METAL CHIP

2.2K

1/10W

R21

1-216-845-11 METAL CHIP

100K

1/10W

R23

1-216-829-11 METAL CHIP

4.7K

1/10W

R24

1-216-845-11 METAL CHIP

100K

1/10W

R25

1-216-845-11 METAL CHIP

100K

1/10W

< VARIABLE RESISTOR >

RV1

1-227-665-11 RES, VAR, CARBON 50K (

VOL)

< TRANSFORMER >

1-443-316-11 TRANSFORMER, IF

< VIBRATOR >

1-767-388-11 VIBRATOR, CRYSTAL (75kHz)

*************************************************************

MISCELLANEOUS

**************

1-786-739-11 SWITCH, RUBBER KEY

ANT1

1-456-789-11 COIL, FERRITE-ROD ANTENNA (MW)

SP1

1-825-832-11 SPEAKER (5.0cm)

*************************************************************

MAIN

Summary of Contents for ICF-M88B - S2 Sports Bicycle Radio

Page 1: ...depending on circumstances of use Time display 12 hour system Frequency range Band Range Channel step FM 87 5 108 MHz 0 1 MHz AM 530 1 710 kHz 10 kHz 531 1 710 kHz 9 kHz Speaker Approx 50 mm 2 inches dia 8 Power output 80 mW at 10 harmonic distortion Power requirements 3V DC two size AA R6 batteries Dimensions Approx 166 8 70 95 mm w h d 6 5 8 2 7 8 3 3 4 inches incl projecting parts and control M...

Page 2: ...f unleaded solder are printed with the lead free mark LF indicating the solder contains no lead Caution Some printed circuit boards may not come printed with the lead free mark due to their particular size LEAD FREE MARK Unleaded solder has the following characteristics Unleaded solder melts at a temperature about 40 C higher than ordinary solder Ordinary soldering irons can be used but the iron t...

Page 3: ...lay 1 Press RADIO POWER to turn off the power 2 Press MODE FREEZE repeatedly until CLOCK appears 3 Hold down ENTER SELECT for more than 2 seconds until AM 12 starts flashing 4 Push the Jog lever towards or to adjust the hour then press ENTER SELECT The beep sounds and the minute setting starts to flash If you hold down the Jog lever towards or the digit changes rapidly Midnight is indicated as AM ...

Page 4: ...y procedure in the numerical order given 3 2 CABINET LOWER BLOCK 1 Slide the hook battery case lid in the direction of arrow and open the battery case lid battery case lid 2 screw P1 7 10 4 5 Remove two solders 3 four screws P1 7 10 6 cabinet lower block 3 2 CABINET LOWER BLOCK Page 4 3 3 CHASSIS ASSY Page 5 3 4 MAIN BOARD Page 5 SET ...

Page 5: ...CF M88B 5 3 4 MAIN BOARD 3 3 CHASSIS ASSY 1 Remove five solders 4 screw 5 chassis assy 3 button assy 1 Remove two solders 2 two hooks 3 screw 4 MAIN board 1 Remove the solder 1 Remove two solders 2 hook ...

Page 6: ...F M88B 6 POSITION OF LEAD WIRES three ditches two ditches boss boss lead wire battery terminal cabinet lower block lead wire red lead wire gray lead wire red lead wire gray DX LOCAL board lead wire black ...

Page 7: ...ket test mode 5 When all keys were pressed the BEEP 2 is outputted and the LCD and key test mode is deactivated and the set returns to the standby state Note 1 The pulse input is ignored during each test mode Note 2 In the event that the VDET1 terminal pin rl of IC101 on the key board detects L during each test mode the test mode is deactivated and the set returns to the standby state Note 3 The a...

Page 8: ...ation MAIN board See page 9 0 dB 1 µV AM Setting Function RADIO BAND AM FM Setting Function RADIO BAND FM Repeat the procedures in each adjustment several times and the tracking adjustments should be finally done by the trimmer capacitors Remove FM antenna in FM adjustment AM RF signal generator 30 amplitude modulation by 400 Hz signal Output level as low as possible Put the lead wire antenna clos...

Page 9: ... T1 AM IF Adjustment L1 AM VCO Voltage Adjustment FM Tracking Adjustment CT2 L2 AM Tracking Adjustment CT1 ANT1 MAIN BOARD Component Side MAIN BOARD Conductor Side IC1 TP15 AF GND TP10 RF GND TP13 FM IN TP9 VT TP12 SP OUT TP8 GND IC2 ...

Page 10: ... mark FM AM Voltages are taken with a VOM Input impedance 10 MΩ Voltage variations may be noted due to normal produc tion tolerances Waveforms are taken with a oscilloscope Voltage variations may be noted due to normal produc tion tolerances Circled numbers refer to waveforms Signal path F FM f AM 6 1 PRINTED WIRING BOARDS TUNER Section Uses unleaded solder R21 R17 C36 R19 C40 C38 R3 C9 R24 JC4 JC...

Page 11: ... 01 1 47 2 2 35V 470 2 2k 0 01 1 4 7 16V 10 6 3V 0 01 0 22 0 01 4 7k DAN202UT 4700p 10k 10k 10 6 3V 1 1000 6 3V 470 4V 1 2SA1576 10k 4 7k 2 2k L4 47µH 470 4V 22p 0 01 22p 75KHz 10k 100k 2 2k 0 1 0 22 2200p 4 7k 2 2k 1 100p 0 01 100p 4700p 100p SP OUT AF GND GND FM IN RF GND 0 0 0 VT 50k LC72122V 0 0 0 0 0 2SC4081 DTC114TUA 0 CXA1019M CE DATA CLK DOUT MUTE BEEP VDD GND MIX OUT F E GND FM ANT NC AM ...

Page 12: ...R127 C152 R188 IC102 IC104 D101 D109 K A K A D102 K A IC103 IC101 C157 R184 C156 C149 R182 C155 C158 R183 R180 R111 C117 C109 R185 R186 R181 L104 Q106 Q107 B C E E C B E C B Q104 E C B Q105 IC105 D103 A K D104 A K Q101 Q102 B C E B C E KEY BOARD CONDUCTOR SIDE 11 11 1 862 332 X102 X101 D106 D105 C127 C151 DRY BATTERY SIZE AA IEC DESIGNATION R6 2PCS 3V SENSOR UNIT MAIN BOARD A 1 15 16 30 RADIO POWE...

Page 13: ...81 2SC4081 UDZSTE 1713B 100k 0 1 100k 47k 1 10 6 3V 2SB970 470k 1 1 1 1 1000p 1000p 1000p 1000p 1k DTC144TUA 8BT µPD789488GC A35 2SA1576 0 1 0 BR24L01F WE2 0 047F 5 5V 6p KR3 2SA1576 100k 0 01 1k 100p KS0 KS1 COM0 COM1 COM2 COM3 COM0 COM1 COM2 COM3 S0 S1 S2 S3 S4 S5 S6 S7 S8 S9 S10 S0 S1 S2 S3 S4 S5 S6 S7 S8 S9 S10 LIQUID CRYSTAL DISPLAY GND GND GND GND IN OUT IN OUT VCC WP CLK DATA A0 A1 A2 GND P...

Page 14: ... 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 14 13 11 9 8 7 2 1 6 5 3 4 15 16 17 18 19 20 21 22 23 24 25 26 27 28 12 10 11 10 9 8 7 6 5 4 3 2 1 12 13 14 15 19 20 UNLOCK DETECTOR POWER ON RESET UNIVERSAL COUNTER CC...

Page 15: ...nnected 53 MUTE O Radio output muting on off control signal output terminal L muting on 54 P24 O Not used 55 DATA EEPROM I O Two way data bus with the EEPROM 56 CLK EEPROM O Serial clock signal output to the EEPROM 57 DATA PLL O Serial data output to the FM AM PLL 58 CLK PLL O Serial clock signal output to the FM AM PLL 59 CE PLL O Chip enable signal output to the FM AM PLL 60 61 P10 P07 O Not use...

Page 16: ... 11 SPEAKER 5 0cm 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 number in the exploded views are not supplied 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 R...

Page 17: ...1 HOLDER LCD 57 3 267 252 01 SHIELD LCD 58 2 059 727 01 SHEET REFLECTOR 59 3 267 254 01 SHIELD DD A 60 2 055 147 01 SHIELD DD B 61 3 267 233 01 LEVER JOG 62 2 176 535 01 SHEET A REFLECTION 63 2 177 240 01 SHEET LIGHT INTERCEPTION 64 2 177 241 01 SHEET BOTTOM REFLECTION 65 2 177 764 01 SHEET B LIGHT INTERCEPTION ANT1 1 456 789 11 COIL FERRITE ROD ANTENNA MW LCD101 1 805 611 11 DISPLAY PANEL LIQUID ...

Page 18: ...1 7X10 108 3 267 231 01 LID MIDDLE BATTERY CASE 109 3 267 246 01 HOOK BATTERY CASE LID 110 3 267 260 01 SPRING BATTERY CASE LID 111 3 236 793 01 O RING VOL 112 3 267 235 01 KNOB VOL 113 3 267 237 01 CASE UPPER ANTENNA 114 3 265 204 01 WASHER POLYETHYLENE 115 3 267 234 01 ADAPTOR 116 3 267 262 01 RING BATTERY CASE LID O 117 3 254 083 01 SCREW 118 7 626 308 61 SPRING PIN 1 4X14 101 113 103 104 104 1...

Page 19: ...38 1 162 919 11 CERAMIC CHIP 22PF 5 50V C139 1 162 914 11 CERAMIC CHIP 9PF 0 5PF 50V C140 1 115 156 11 CERAMIC CHIP 1uF 10V C141 1 115 156 11 CERAMIC CHIP 1uF 10V C142 1 115 156 11 CERAMIC CHIP 1uF 10V C143 1 115 156 11 CERAMIC CHIP 1uF 10V C146 1 162 970 11 CERAMIC CHIP 0 01uF 10 25V C149 1 162 927 11 CERAMIC CHIP 100PF 5 50V C151 1 124 257 00 ELECT 2 2uF 20 35V C152 1 162 970 11 CERAMIC CHIP 0 0...

Page 20: ...TAL CHIP 10K 5 1 10W R141 1 216 833 11 METAL CHIP 10K 5 1 10W R143 1 216 833 11 METAL CHIP 10K 5 1 10W R144 1 216 821 11 METAL CHIP 1K 5 1 10W R145 1 216 845 11 METAL CHIP 100K 5 1 10W R146 1 216 853 11 METAL CHIP 470K 5 1 10W R178 1 216 845 11 METAL CHIP 100K 5 1 10W R179 1 216 845 11 METAL CHIP 100K 5 1 10W R180 1 216 825 11 METAL CHIP 2 2K 5 1 10W R181 1 216 825 11 METAL CHIP 2 2K 5 1 10W R182 ...

Page 21: ...1 SHORT CHIP 0 JC4 1 216 864 11 SHORT CHIP 0 JC5 1 216 864 11 SHORT CHIP 0 JC6 1 216 864 11 SHORT CHIP 0 JC8 1 216 864 11 SHORT CHIP 0 JC9 1 216 864 11 SHORT CHIP 0 JC10 1 216 864 11 SHORT CHIP 0 JC11 1 216 864 11 SHORT CHIP 0 JC12 1 216 864 11 SHORT CHIP 0 COIL L1 1 456 791 11 COIL OSCILLATION L2 1 456 851 11 COIL AIR CORE L3 1 456 788 11 COIL AIR CORE L4 1 412 959 11 INDUCTOR 47uH TRANSISTOR Q1 ...

Page 22: ...EEL MAGNET 501 A 4578 034 A BRACKET ASSY 502 2 025 134 01 SCREW M3X10 503 3 267 243 01 JOINT L HANDLE 504 3 267 242 01 JOINT R HANDLE 505 2 025 138 01 NUT M3 HEXAGON 506 2 025 133 01 SCREW M3X25 507 3 267 264 01 SHEET 2 5T RUBBER THICK RUBBER PAD 507 3 267 265 01 SHEET 1T RUBBER THIN RUBBER PAD 508 3 267 266 01 SHEET SENSOR ADHESIVE 509 3 267 490 01 CLAMP ZIP TIE 510 2 025 139 01 SHEET 2T RUBBER 5...

Page 23: ...23 ICF M88B MEMO ...

Page 24: ...STORY Clicking the version allows you to jump to the revised page Also clicking the version at the upper right on the revised page allows you to jump to the next revised page Ver Date Description of Revision 1 0 2004 05 New ...

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