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CFS-1085S

E Model

RADIO CASSETTE-CORDER

SERVICE MANUAL

SPECIFICATIONS

Model Name Using Similar Mechanism                   CFS-1065S

Tape Transport Mechanism Type

                MF-1055-117

9-873-310-03

2003L02-1

© 2003.12

Ver 1.2  2003.12

• Frequency range

FM: Saudi Arabia: 87.5–107 MHz/
Other countries: 87.5–108 MHz
MW: Saudi Arabia: 530–1 605 kHz/
Other countries: 530-1 611 kHz/
SW1: 2.3–7 MHz/SW2: 7–22 MHz

 IF

  FM: 10.7 MHz,

MW/SW: 455 kHz

• Antennas 

 FM/SW: Telescope/

MW: Built-in ferrite bar

• Recording system

  4-track, 2-

channel stereo

• Frequency response

  80–10 000Hz

• Speakers

  Woofer: 10 cm (4 inches)

dia., 6 

,cone type/Tweeter: 2 cm

(

13

 ⁄

16

 inch) dia.

• Input 

 CD/TV LINE IN jacks

(phono jacks), sensitivity 0.436 V,

input impedance 47 k

• Output 

 Headphones jack (stereo

minijack), for 6–32 

 impedance

headphones

• Maximum Power output

10 W

• Battery life

FM Recording: Sony R20P: Approx.
5 hours/Sony LR20 alkaline:
Approx. 10 hours
Playback: Sony R20P: Approx. 1.5
hours/Sony LR20 alkaline:
Approx. 3 hours

• Power requirements

110–120V/220–240 V AC
selectable, 50/60 Hz
9V DC, six R20 (size D) batteries

• Power consumption

AC 14 W

• Dimensions

  Approx. 579 x 206 x

197 mm (w/h/d) (22 

7

 ⁄

8

 x 8 

1

 ⁄

8

 x

7

 ⁄

8

 inches) incl. projecting parts

and controls, not incl. handle

• Mass 

 Approx. 4.6 kg (10 lb 2 oz)

incl. batteries

• Supplied accessory 

 AC power

cord (1)

Design and specifications are
subject to change without notice.

Sony Corporation

Personal Audio Company

Published by Sony Engineering Corporation

Summary of Contents for CFS-1085S

Page 1: ...put CD TV LINE IN jacks phono jacks sensitivity 0 436 V input impedance 47 kΩ Output Headphones jack stereo minijack for 6 32 Ω impedance headphones Maximum Power output 10 W Battery life FM Recording Sony R20P Approx 5 hours Sony LR20 alkaline Approx 10 hours Playback Sony R20P Approx 1 5 hours Sony LR20 alkaline Approx 3 hours Power requirements 110 120V 220 240 V AC selectable 50 60 Hz 9V DC si...

Page 2: ...3 MAIN Board MIC Board VOL Board 5 2 4 Mechanism Deck Tuner Board 6 2 5 Record Playback Head HRP101 Erase Head HE301 Belt Motor M601 6 2 6 Dial Pointer Installation 7 3 ADJUSTMENT 8 4 DIAGRAMS 4 1 Circuit Boards Location 12 4 2 Block diagrams 13 4 3 Printed Wiring Board Main Section 14 4 4 Schematic Diagram Main Section 15 4 5 Schematic Diagram Tuner Section 16 4 6 Printed Wiring Board Tuner Secti...

Page 3: ...FS 1085S SECTION 1 GENERAL This section is extracted from instruction manual Location of controls PHONES FUNCTION VOLUME SOUND SELECT BAND FINE TUNING TUNING FM STEREO CD TV LINE IN MIC MAXI BASS OPR BATT ...

Page 4: ...e numerical order given Set Power board LED board GE SW board Mega bass SW board Record playback head HRP101 Erase head HE301 Belt Motor M601 Main board MIC board VOL board Mechanism deck Tuner board Cabinet rear Cabinet front Screws 3X4 Power board 1 Tuner board CNP1 4 2 6 Screws 3X4 1 Screws 3X10 5 Main board CNP305 3 Cabinet front Cabinet rear ...

Page 5: ...6X8 GE SW board Bracket B board Bracket B board 3 Screws 2 6X8 6 5 7 2 4 LED board Mega bass SW board Cabinet front Knob job Screw 2 6X8 1 Screw 2 6X8 5 2 7 qg qd 4 Lever rec MIC board Main board Bracket B board VOL board Cabinet front Knob VOL Screws 2 6X8 qf Claws 6 Screws 2 6X8 3 CNP301 qs CNP304 qa CNP302 0 CNP303 9 CNP306 8 ...

Page 6: ...ELT MOTOR M601 Screw 3X8 Tuner board 0 qa 8 2 4 6 9 Screws 2 6X8 3 Screws 2 6X8 3 Screws 2 6X8 5 Screws 2 6X8 1 Screw 2 6X5 7 Mechanism deck Pointer chassis Chassis Pointer Knob tun Cabinet front HE301 HRP101 Claws Record playback head Erase head Motor M601 Belt 1 Claws 3 Screws 2 6X5 5 7 4 2 6 ...

Page 7: ...ner board MIN Fig 2 MIN Screw 2 6X5 5 2 1 Fig 1 1 Turn the PVC shaft fully counterclokwise 2 Place the pointer in the chassis groove 3 Line up the tip of the pointer with the notch in the chassis Fig 1 4 Attach so that the knob Tune is at the position shown in Fig 2 5 Fasten the knob tune to the PVC shaft with the screw ...

Page 8: ...k head with a head demagne tizer Do not bring the head demagnetizer close to the erase head 3 Do not use a magnetized screwdriver for the adjustments 4 The adjustments should be performed with the rated power sup ply voltage 9V unless otherwise noted 1 Torque Measurement Mode Torque Meter Meter Reading 2 95 6 86 mN m Playback CQ 102C 30 70 g cm 0 42 0 97 oz inch 0 15 0 53 mN m Back Tension CQ 102C...

Page 9: ...Values Digital frequencycounter 2 910 to 3 090Hz Frequency difference between the begining and the end of the tape should be within 1 30Hz Adjustment Values tape speed adjustment control inside motor set test tape WS 48B 3kHz 0dB 32Ω digital frequency counter phones jack ...

Page 10: ...ENT Adjust for a maximum reading on level meter L7 6 8MHz Confirmation 22 5MHz FM FREQUENCY COVERAGE ADJUSTMENT Adjust for a maximum reading on level meter L2 86 5MHz 87 35MHz CT2 109 5MHz 107 8MHz FM TRACKING ADJUSTMENT Adjust for a maximum reading on level meter L1 86 5MHz 87 35MHz CT1 109 5MHz 107 8MHz AM RF signal generator 30 amplitude modulation by 400Hz signal Output level as low as possibl...

Page 11: ...C9 C13 VR1 FINE L2 B C E Q2 IC1 TUNER BOARD Conductor side A CN304 1 6 1 4 7 15 16 30 CF3 frequency counter 1µF 33kΩ CT2 FM Frequency Coverage Adjustment L2 FM Frequency Coverage Adjustment CT4 MW Frequency Coverage Adjustment T1 AM IF Adjustment L3 MW Tracking Adjustment CT3 MW Tracking Adjustment CT1 FM Tracking Adjustment L1 FM Tracking Adjustment L4 MW Frequency Coverage Adjustment L8 SW2 Freq...

Page 12: ...wer voltage is dc 9V and fed with regulated dc power supply frombattery terminal Voltages and waveforms are dc with respect to ground under no signal detuned conditions no mark FM RADIO SECTION PLAY TAPE SEC TION MW RADIO SECTION REC TAPE SEC TION SW1 2 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 ...

Page 13: ...CH IC301 MEGA BASS Q102 MEGA BASS Q202 MEGA BASS CONTROL Q310 B ANALOG SWITCH D311 FLAT D312 GROOVE D313 LIVE D314 POPS D315 CINEMA RV301 VOLUME 11 10 3 5 12 13 STBY 8 STBY J302 SPEAKER J301 PHONES SP101 SPEAKER SP102 SPEAKER SP201 SPEAKER SP202 SPEAKER LEFT RIGHT 11 10 3 5 12 13 POWER AMP IC102 POWER AMP IC202 GEQ AMP IC302 Q101 MUTE Q201 MUTE S901 VOLTAGE SELECTOR 220 240V 110 10V J901 AC IN R F...

Page 14: ...236 R136 R363 D302 D302 OPR BATT J304 ECM301 R364 J306 R320 R126 C133 C330 S301 FUNCTION TAPE RADIO OFF RADIO CD TV LINE IN T301 C310 C221 C231 C121 C212 C216 C131 C322 C227 R326 R360 R322 R310 Q307 CNP301 C103 C140 R106 R105 R107 C109 R103 R204 C209 R203 WHT RED C309 C316 C312 R301 C308 C104 C101 R102 R202 C304 R303 C302 R304 C313 C102 R330 D317 C305 C337 R337 C105 C106 R309 C210 C339 CN304 R339 ...

Page 15: ... 10V 1000p 100p 100k 100k 1000p 100p KTC3198GR AT 10k 1k 10 50V 1k 10 50V 1k 1k KTC3198GR AT 0 22 0 1 1 50V 1 50V 4700p 4700p 1k 1k 20k 1 50V 100 10V 220 0 22 0 22 100p 10k KRC107M AT 220k 1 50V 100k 1k 100 100 10V 1 50 100k 2 2k KTC3198GR AT 100k 1 50V 1k 4 7k 100k 2 2k 0 0047 0 1 KTC3198GR AT 100k 1k 10k 47 16V 100 10V 22 50V 10 50V 470 KTC3198GR 1k 100p 47V 16V 1SS133T 77 KRC110M L 34HD L 34HD ...

Page 16: ... 47 2 2k 680 330 100p KRC107M AT 0 01 10k 1SS133 1 50V 47 16V 47 16V 150 0 01 0 01 6 8k 6 8k 0 01 680 1 50V 0 001 20p 10k 4 7 50V 22k 100K CXA1538S FM SW TELESCOPIC ANTENNA 0 01 1SS133 10k KRC107M AT 10k 10k 3 3k L 34HD 3 3k R L FM SW1 SW2 MW FM SW1 SW2 MW GND MUTE ST 3 CV1 CT3 CV1 1 CV1 CT1 CV1 2 CV1 CT2 CV1 4 CV1 CT4 CV1 1 4 CV1 2 4 CV1 4 4 EA C2 C6 FM SW1 SW2 MW FM SW1 SW2 MW FM SW1 SW2 MW FM S...

Page 17: ... R8 R24 R11 R9 R16 R13 R2 R18 R6 R4 R3 R5 R19 R25 R15 R14 C38 C34 C7 C4 C36 E MODEL C6 C2 D5 C16 C17 C31 CF1 CF4 C9 C13 C28 C25 C27 C22 C1 C23 C26 C29 C24 B C E Q1 L6 L8 L4 L7 L5 CT8 CT6 CV1 CV2 CV3 CV4 CT3 CT4 CT1 CT2 VR1 FINE TUNING D3 FM STEREO RV1 D2 D1 1 2 CNP1 ANT1 FM SW TELESCOPIC ANTENNA L3 MW FERRITE ROD ANTENNA L2 L1 L13 B C E Q2 B C E Q3 IC1 TUNER BOARD A MAIN BOARD CN304 CN304 1 6 CF3 ...

Page 18: ...9 14 13 7dB ALC2 26dB 15k 6k 6k 10k 10k 10k 10k 10k 10k 10k 10k 10k 10k 10k 10k 10k 10k 1k 1k 1k 1k LINE RADIO RADIO TAPE TAPE TAPE L RAD MIC I EX L CD RADIO R CD TAPE R RAD MIC REC L LO R LO VCC LINE TAPE BUF AMP A2 BUF AMP B1 BUF AMP B2 BUF AMP A1 MIC AMP1 MUTE MUTE MUTE ON ON ON NAB AMP2 MONITOR AMP MONITOR AMP NAB AMP1 REC AMP2 REC AMP1 REF AMP 2 1 L PO L NF L RO L IN R IN R RO R NF R PO MIC N...

Page 19: ...FRONT END AM FRONT END VCO REG MPX REG PD 1 PD 2 MONO ST SELECT 1 2 COUNTER 1 2 COUNTER MUTING DECORD AMP AUTOBLEND RIPPLE FILTER BAND PASS MUTE TUNING INDICATOR AM IF DET GND PLL LPF 1 PILOT DET LPF 1 PILOT DET LPF 2 ST IND VCO CHECK RCH OUT LCH OUT VCC RIPPLE FILTER AFC AGC 1 AFC AGC 2 GND TUND IND FM IF IN AM IF IN BAND SELECT PLL LPF2 MPX REG VCO FM DISCRI MUTE AM OSC AFC FM OSC REG OUT FM RF ...

Page 20: ... 5 not supplied not supplied 6 ANT1 F901 F902 T901 6 2 1 3 3 6 4 5 7 8 1 3 930 876 61 CABINET REAR E 1 3 930 876 71 CABINET REAR EA 2 1 683 141 11 POWER BOARD 3 1 533 233 31 HOLDER FUSE 4 3 364 532 01 TERMINAL BATTERY 5 3 930 901 01 SPRING BATT 6 3 930 900 01 SPRING BATT 7 3 930 878 01 HANDLE 8 3 364 556 01 LID BATTERY CASE ANT1 1 501 383 21 ANTENNA TELESCOPIC 0F901 1 533 460 11 FUSE GLASS TUBE DI...

Page 21: ...CHASSIS POINTER 62 3 930 880 21 BUTTON PAUSE 63 3 930 881 21 BUTTON STOP EJECT 64 3 930 882 21 BUTTON FF 65 3 930 883 21 BUTTON REW 66 3 930 884 21 BUTTON PLAY 67 3 930 885 21 BUTTON REC 68 3 937 860 01 LEVER REC 69 3 234 663 01 WINDOW SCALE 70 3 930 899 01 SPRING CASSETTE 71 3 351 377 01 DAMPER 73 1 683 142 11 LED BOARD 74 1 682 948 11 BRACKET B BOARD 75 3 234 667 01 POINTER E 75 3 930 886 01 POI...

Page 22: ...6 6 5 SP101 201 101 X 3381 077 1 CABINET FRONT L SUB ASSY SP 101 X 3381 078 1 CABINET FRONT R SUB ASSY SP 102 3 659 748 00 CLOTH MASKING UPPER CASE 103 3 930 894 01 CABINET REAR L SP 103 3 930 895 01 CABINET REAR R SP 104 1 682 948 11 BRCKET B BOARD SP101 1 825 012 11 SPEAKER 10CM L CH SP201 1 825 012 11 SPEAKER 10CM R CH ...

Page 23: ...ER PINCH 155 3 933 019 01 SPRING F R TORSION 156 3 933 028 01 SPRING FWD TORSION 157 3 933 016 01 GEAR S REEL 158 3 933 023 11 SLIDER REC 159 3 933 000 11 BASE S HEAD 160 3 933 017 11 SLIDER REW 161 3 933 018 11 SLIDER FF 162 3 933 009 11 SLIDER STOP 163 3 933 008 11 SLIDER PAUSE 164 3 933 004 01 CLAW REEL 165 3 933 021 01 SLIDER FRP 166 3 933 006 01 SLIDER EJECT 167 3 934 833 01 SPRING FRP 168 3 ...

Page 24: ... 01 GEAR CAM 206 3 932 999 01 SLIDER SW 207 3 932 998 01 SPRING GROUND TORSION 208 3 009 648 01 LEVER S OFF 209 3 009 650 02 SPRING K COMPRESSION 210 X 3373 572 1 REEL ASSY N T 211 3 933 020 11 BELT 212 X 3377 877 3 FLYWHEEL ASSY 213 3 932 993 01 CHASSIS OUTSERT 214 3 343 358 01 RING RETAINING 215 3 933 005 01 SPRING CAM COMPRESSION 216 3 937 760 01 SPRING GROUND COMPRESSION 217 3 934 336 01 BEARI...

Page 25: ...0V C104 1 162 282 31 CERAMIC 100PF 10 50V C105 1 162 302 11 CERAMIC 0 0022uF 20 16V C106 1 128 821 21 CERAMIC 1000PF 5 50V C107 1 162 290 31 CERAMIC 470PF 10 50V C108 1 126 964 11 ELECT 10uF 20 50V C109 1 104 665 11 ELECT 100uF 20 10V C110 1 126 959 11 ELECT 0 47uF 20 50V C111 1 162 282 31 CERAMIC 100PF 10 50V C112 1 126 964 11 ELECT 10uF 20 50V C113 1 126 963 11 ELECT 4 7uF 20 50V C114 1 162 282 ...

Page 26: ... 11 ELECT 2 2uF 20 50V C331 1 104 665 11 ELECT 100uF 20 10V C332 1 162 306 11 CERAMIC 0 01uF 20 16V C333 1 126 935 11 ELECT 470uF 20 16V C334 1 162 306 11 CERAMIC 0 01uF 20 16V C335 1 162 282 31 CERAMIC 100PF 10 50V C336 1 126 964 11 ELECT 10uF 20 50V C337 1 126 964 11 ELECT 10uF 20 50V C338 1 126 960 11 ELECT 1uF 20 50V C339 1 126 937 11 ELECT 4700uF 20 16V C340 1 104 665 11 ELECT 1uF 20 25V C341...

Page 27: ...3 3K 5 1 4W R222 1 249 421 11 CARBON 2 2K 5 1 4W R223 1 249 417 11 CARBON 1K 5 1 4W R224 1 249 413 11 CARBON 470 5 1 4W R225 1 249 385 11 CARBON 2 2 5 1 4W R226 1 249 385 11 CARBON 2 2 5 1 4W R228 1 249 417 11 CARBON 1K 5 1 4W R230 1 249 409 11 CARBON 220 5 1 4W R231 1 249 417 11 CARBON 1K 5 1 4W R232 1 249 429 11 CARBON 10K 5 1 4W R236 1 247 807 31 CARBON 100 5 1 4W R237 1 249 417 11 CARBON 1K 5 ...

Page 28: ...SELECTOR A 3062 738 A TUNER BOARD COMPLETE E A 3062 739 A TUNER BOARD COMPLETE EA CAPACITOR C1 1 162 286 21 CERAMIC 220PF 10 50V C2 1 162 205 31 CERAMIC 18PF 5 50V E C2 1 162 211 31 CERAMIC 33PF 5 50V EA C4 1 162 306 11 CERAMIC 0 01uF 30 16V C5 1 126 964 11 ELECT 10uF 20 50V C6 1 102 963 00 CERAMIC 33PF 5 50V EA C6 1 102 953 00 CERAMIC 18PF 5 50V E C7 1 162 191 31 CERAMIC 2 2PF 10 50V C9 1 162 282...

Page 29: ...6 89 TRANSISTOR KTC3198GR A Q2 8 729 036 77 TRANSISTOR KRC107M AT E Q3 8 729 036 77 TRANSISTOR KRC107M AT E RESISTOR R2 1 249 441 11 CARBON 100K 5 1 4W R3 1 249 421 11 CARBON 2 2K 5 1 4W R4 1 249 411 11 CARBON 330 5 1 4W R5 1 249 415 11 CARBON 680 5 1 4W R6 1 247 807 31 CARBON 100 5 1 4W R7 1 249 427 11 CARBON 6 8K 5 1 4W R8 1 249 427 11 CARBON 6 8K 5 1 4W R9 1 249 415 11 CARBON 680 5 1 4W R11 1 2...

Page 30: ...008 21 ADAPTOR CONVERSION EA 0 1 823 401 11 CORD POWER 3 234 995 11 MANUAL INSTRUCTION ENGLISH ARABIC HARDWARE LIST 1 7 621 770 87 SCREW B 2 6X5 2 7 682 548 04 SCREW B 3X8 3 7 685 135 19 SCREW TOTSU PTPWH 2 6X10 TYPE2 4 7 685 646 79 SCREW BVTP 3X8 TYPE2 N S 5 7 685 647 79 SCREW BVTP 3X10 TYPE2 SLIT 6 7 685 649 79 SCREW BVTP 3X14 TYPE2 SLIT 7 7 685 871 01 SCREW BVTT 3X6 S The components identified ...

Page 31: ...31 CFS 1085S ...

Page 32: ...licking 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 10 New 1 1 2002 10 Correction of exploded views Ref No 72 was deleted SPM 02049 1 2 2003 12 Part No correction of RV301 SPM 03061 CFS 1085S ...

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