Sony CFM-S1, Service Manual

Page 1: ...channel mono Frequency response 80 8 000 Hz Speaker Full range 12 cm 4 3 4 inches dia 6Ω cone type 1 Outputs Earphones jack For 8 Ωimpedance earphones Maximum power output 1 4 W Power requirements 110 120 220 240 V AC selectable 50 60 Hz 6 V DC 4 R20 size D batteries Power consumption AC 8 W Battery life FM recording Sony R20P approx 18 h Sony alkaline LR20 approx 50 h Tape playback Sony R20P appr...

Page 2: ...on 1 2 12 4 4 Schematic Diagrams Main Section 2 2 13 5 EXPLODED VIEWS 5 1 Front Cabinet Section 16 5 2 Rear Cabinet Section 17 5 3 Mechanism Deck Section 1 MF M20 117 18 5 4 Mechanism Deck Section 2 MF M20 117 19 6 ELECTRICAL PARTS LIST 20 SECTION 1 GENERAL SAFETY RELATED COMPONENT WARNING COMPONENTS IDENTIFIED BY MARK OR DOTTED LINE WITH MARK ONTHE SCHEMATIC DIAGRAMS AND INTHE PARTS LIST ARE CRIT...

Page 3: ...net front ASSY Cabi rear Jack board Main board Fine tune board Battery terminal board Power board MD ASSY Record playback head HRP101 Reel capstan motor M101 Belt 3 1 4Remove solder two places 2Screws BVTP 3X14 2Screws BVTP 3X14 Lid BATT Cabinet front ASSY Cabi rear 2 3 RECORD PLAYBACK HEAD HRP101 REEL CAPSTAN MOTOR M101 BELT 1Screws Tapping B MD ASSY 4Record playback head HRP101 7Reel capstan mot...

Page 4: ...Chassis A Main board 7Screws BVTP 3X10 2Screw BVTP 3X10 5Claw Cabi rear Fine tune board 1Knob FT 1Knob band 1Knob function 1Knob vol 1Knob sound 4Screw BVTP 3X10 Jack board 1Knob tune Bracket PWB 6 2 4Remove Solder Cabi rear Power board 3 Remove solder Battery terminal board 5 Screws BVTP 3X10 1 Claw ...

Page 5: ... DIAL POINTER SETTING Dress the lead wires as shown in figure 1Turn the knob tune fully counterclockwise 2Fit the pointer to the chassis B 5 Set the left side of the pointer to the convex portion a on the chassis B Pointer Chassis A Chassis B Chassis B 6 6 3 6 Hold the left side of pointer then insert the gear section of pointer to groove of chassis A 7Bracket P 4Screw BVTP 3X14 Pointer Chassis B ...

Page 6: ... rubber belts capstan 2 Demagnetize the record playback head with a head demagnetizer Do not bring the head demagnetizer close to the erase head 3 Do not use a magnetized screwdriver for the adjustments 4 After the adjustments apply suitable locking compound to the parts adjusted 5 The adjustments should be performed with the rated power sup ply voltage unless otherwise noted Torque Measurement Fo...

Page 7: ...e speed adjustment control inside motor AM RF signal generator 30 amplitude modulation by 400Hz signal Output level as low as possible Put the lead wire antenna close to the set set 8Ω J101 Earphone jack level meter AM RF signal generator 30 amplitude modulation by 400Hz signal output level as low as possible telescopic antenna terminal 12pF set 8Ω J101 Earphone jack level meter FM RF signal gener...

Page 8: ...on level meter L8 6 8MHz CT8 22 5MHz FM FREQUENCY COVERAGE ADJUSTMENT Adjust for a maximum reading on level meter L2 86 50MHz 87 35MHz CT2 109 50MHz 107 80MHz FM TRACKING ADJUSTMENT Adjust for a maximum reading on level meter L1 86 50MHz 87 35MHz CT1 109 50MHz 107 80MHz Saudi Arabia model MAIN BOARD Component side CT1 FM Tracking Adjustment CT3 MW Tracking Adjustment CT6 SW1 Tracking Adjustment L6...

Page 9: ...9 9 9 9 CFM S1 Circuit Board Location SECTION 4 DIAGRAMS Battery terminal board Jack board Main board Power board Fine tune board ...

Page 10: ...10 10 CFM S1 4 1 BLOCK DIAGRAMS Signal path F FM E PB a REC ...

Page 11: ...08 IC101 CNP101 S103 R106 D101 D103 D104 Q101 Q102 S101 R4 Q103 C131 JW106 JW107 JW4 JW103 JW104 JW105 R111 R113 C102 C104 C107 C110 C111 C112 C117 C121 C140 C144 C146 R148 C147 C149 C150 R154 R155 Q105 JW112 JW111 JW110 JW109 JW113 D140 D141 JW3 KH1 C24 C31 C11 C12 C6 CNP102 JW108 C119 S1 1 8 1 2 4 3 6 5 8 7 E C B E C B S102 REC PB HRP101 REC PB HEAD HE101 ERASE HEAD CV1 1 CV1 4 CV1 2 CV1 3 CT1 2...

Page 12: ...12 12 CFM S1 z Refer to page 14 for Notes z Refer to page 15 for IC Block Diagrams 4 3 SCHEMATIC DIAGRAM MAIN SECTION 1 2 ...

Page 13: ...13 13 CFM S1 4 4 SCHEMATIC DIAGRAM MAIN SECTION 2 2 z Refer to page 14 for Notes z Refer to page 15 for IC Block Diagrams ...

Page 14: ...H adjustment for repair Power voltage is dc 6V and fed with regulated dc power supply from external power voltage jack Voltages are dc with respect to ground under no signal detuned conditions Voltages are dc with respect to ground in playback mode no mark FM SW1 SW2 MW RADIO SECTION PLAY TAPE SECTION MIC REC RADIO REC Voltages are taken with a VOM Input impedance 10 MΩ Voltage variations may be n...

Page 15: ... AM MIX AGC 1 2 3 4 AGC RF GND MIX OUT FM RF IN 5 6 7 8 GND FM IF IN AM IF IN VCC AM RF FM RF AF BUFF FM IF AM IF TAPE AUX REC PLAY MIX ECM NC REC POWER ON OFF AUX IN LPF ALC DEL P VCC P VCC POWER GND PBTL2 POP DEL B B B B B B B B B B B B B B MIC IN POWER GND POWER IN LIN OUT RIPPLE FILTER RIPPLE FILTER SIG VCC SIG GND BIAS VBIAS TAPE EQ TAPE NF HEAD IN HEAD IN MIC N F BTL1 21 22 23 24 25 26 27 28...

Page 16: ...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 Ref No Part No Description Remark Ref No Part No Description Remark 5 1 FRONT CABINET SECTION 2 2 2 1 1 1 ECM101 SP1 4 5 1 2 3 6 1 3 226 090 01 LID CASSETTE 2 X 3380 354 1 CABINET FRONT SUB ASSY 3 3 226 062 01 SPRING CAS 4 3 922 112 31 DAMPER 5 3...

Page 17: ...E P 63 3 226 094 01 KNOB SOUND 64 3 226 054 01 KNOB VOL 65 3 226 093 01 KNOB FUNCTION 66 3 226 092 01 KNOB BAND 67 3 226 065 01 TERMINAL BATT 68 3 226 064 01 TERMINAL BATT 69 3 226 038 01 CABI REAR E EA 69 3 226 038 11 CABI REAR UAE 70 3 226 055 01 KNOB TUNE 71 3 226 091 01 KNOB FT 72 1 681 387 11 POWER BOARD 73 3 226 060 01 TERMINAL ANT 74 3 226 043 01 GEAR VC 75 A 3323 677 A MAIN BOARD COMPLETE ...

Page 18: ...R REW 111 3 933 018 11 SLIDER FF 112 3 933 009 11 SLIDER STOP 113 3 933 008 11 SLIDER PAUSE 114 3 933 004 01 CLAW REEL 115 3 933 021 01 SLIDER FRP 116 3 933 006 01 SLIDER EJECT 117 3 934 833 01 SPRING FRP 118 3 022 794 02 SPRING BT 119 3 933 007 01 PLATE LOCK 120 3 009 076 01 CHASSIS HEAD 121 3 010 625 01 GUIDE TAPE 122 3 342 917 01 SCREW IT3 C TAPPING B 123 3 936 265 01 LUG T PLATE 124 4 936 201 ...

Page 19: ...TORSION 158 3 009 648 01 LEVER S OFF 159 3 009 650 02 SPRING K COMPRESSION 160 X 3373 572 1 REEL ASSY N T 161 3 933 020 11 BELT 162 X 3377 877 2 FLYWHEEL ASSY 163 3 932 993 01 CHASSIS OUTSERT 164 3 343 358 01 RING RETAINING 165 3 223 156 01 SPRING CAM COMPRESSION 166 3 934 336 01 BEARING 167 3 939 383 02 SPRING COMPRESSION 168 3 936 438 01 LEVER K M101 A 3052 373 A MOTOR ASSY REEL CAPSTAN INCLUDIN...

Page 20: ...1 216 819 11 METAL CHIP 680 5 1 16W R118 1 249 393 11 CARBON 10 5 1 4W F A 3323 677 A MAIN BOARD COMPLETE EA A 3323 679 A MAIN BOARD COMPLETE E UAE 3 229 772 01 HOLDER ANT 3 229 784 01 CUSHION V 7 685 647 79 SCREW BVTP3X10 TYPE2 N S CAPACITOR C1 1 162 927 11 CERAMIC CHIP 100PF 5 50V C2 1 162 915 11 CERAMIC CHIP 10PF 0 5PF 50V C3 1 162 915 11 CERAMIC CHIP 10PF 0 5PF 50V C5 1 162 199 31 CERAMIC 10PF...

Page 21: ...TOR PC BOARD 4P TRIMMER CAPACITOR CT1 1 151 693 11 CAP VAR FM TRACKING CT2 1 151 693 11 CAP VAR FM FREQUENCY COVERAGE CT3 1 151 693 11 CAP VAR MW TRACKING CT4 1 151 693 11 CAP VAR MW FREQUENCY COVERAGE CT6 1 141 360 41 CAP FILM TRIMMER 5PF SW1 TRACKING CT7 1 141 360 41 CAP FILM TRIMMER 5PF SW1 FREQUENCY COVERAGE CT8 1 141 360 41 CAP FILM TRIMMER 5PF SW2 TRACKING CT9 1 141 360 41 CAP FILM TRIMMER 5...

Page 22: ...1 16W R142 1 216 841 11 METAL CHIP 47K 5 1 16W R143 1 216 841 11 METAL CHIP 47K 5 1 16W R144 1 216 845 11 METAL CHIP 100K 5 1 16W R145 1 216 841 11 METAL CHIP 47K 5 1 16W R146 1 216 855 11 METAL CHIP 680K 5 1 16W R147 1 216 829 11 METAL CHIP 4 7K 5 1 16W R148 1 249 409 11 CARBON 220 5 1 4W F R149 1 216 827 11 METAL CHIP 3 3K 5 1 16W R150 1 216 827 11 METAL CHIP 3 3K 5 1 16W R151 1 216 825 11 METAL...

Page 23: ...5 247 19 SCREW KTP 3X10 TYPE2 NON SLIT 5 7 682 148 13 SCREW P 3X8 6 7 621 770 87 SCREW P 2 6X5 The components identified by mark 0 or dotted line with mark 0 are critical for safety Replace only with part number specified ACCESORIES PACKING MATERIALS 0 1 569 008 21 ADAPTOR CONVERSION 2P EA 0 1 769 412 11 CORD POWER 3 228 216 11 MANUAL INSTRUCTION ENGLISH FRENCH SPANISH ARABIC ...

Page 24: ...cking 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 2001 02 New CFM S1 ...