Sony cfd-s27 Service Manual Download Page 5

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SECTION 3

DISASSEMBLY

Note :

Follow the disassembly procedure in the numerical order given.

The equipment can be removed using the following procedure.

3-1. CABINET (FRONT), CABINET (REAR), SW BOARD

3-2. BATT BOARD, TUNER BOARD, AC INLET BOARD, POWER BOARD

BVTP (2.6X8)

Cabinet (Front)

SW board

BVTP (3X14)

Screws

+BVTP (3X14)

Cabinet (Rear)

BATT board

Power board

AC inlet board

Screws

+BVTP (3X10)

Screw +BVTP (3X10)

Cabinet (Rear)

Tuner board

Tuner retainer board

Screw

+BVTP (3X10)

Cabinet (Upper)

Optical pick-up section

Mechanism deck

SW board

Main board, CD motor board

REC SW board

BATT board, Tuner board, AC inlet board, Power board

Cabinet (Front)

Cabinet (Rear)

Set

Summary of Contents for cfd-s27

Page 1: ...ls FM Telescopic aerial AM Built in ferrite bar aerial Cassette corder section Recording system 4 track 2 channel stereo Fast winding time Approx 120 s sec with Sony cassette C 60 Frequency response TYPE I normal 70 l0 000 Hz General Speaker Full range 10 cm 4 in dia 2 8 ohms cone type 2 Outputs Headphones jack stereo minijack For 16 68 ohms impedance headphones Maximum power output 2 5 W 2 5 W Po...

Page 2: ... 39 5 8 Schematic Diagram Main Section 2 2 New Type 44 6 EXPLODED VIEWS 6 1 Front Cabinet Section 47 6 2 Upper Cabinet Section 48 6 3 Rear Cabinet Section 49 6 4 Mechanism Deck Section 1 MF V10 117 50 6 5 Mechanism Deck Section 2 MF V10 117 51 6 6 Optical Pick up Section KSM 213CDM 52 7 ELECTRICAL PARTS LIST 53 SAFETY RELATED COMPONENT WARNING COMPONENTS IDENTIFIED BY MARK OR DOTTED LINE WITH MARK...

Page 3: ... a precision screw driver and push SWITCH S871 MAIN BOARD Component side BATT BOARD Component side Former Type 1 666 263 11 New Type 1 666 263 12 Former Type 1 666 266 11 New Type 1 666 266 12 Former Type 1 666 267 11 New Type 1 666 267 12 Former Type 1 666 264 11 New Type 1 666 264 12 Former Type 1 666 265 11 New Type 1 666 265 12 AC INLET BOARD Component side POWER BOARD Component side REC SW BO...

Page 4: ...SLEEP button 6 SOUND button 7 MEGA BASS button 8 VOL buttons 9 OPEN CLOSE button º DISPLAY ENT MEN button PLAY MODE MONO ST ISS button button button π button BAND PRESET buttons fl button WAKE UP button FUNCTION button ª HEADPHONE jack º STANDBY button CLOCK button This section is extracted from instruction manual 3 1 2 4 6 5 7 8 9 º º ª ...

Page 5: ...R BOARD 5 Screws BVTP 2 6X8 Cabinet Front SW board 4 1 2 3 Screws BVTP 3X14 3 Screws BVTP 3X14 Cabinet Rear 6 BATT board Power board AC inlet board 1 2 8 7 Screws BVTP 3X10 5 Screw BVTP 3X10 Cabinet Rear Tuner board 6 3 Tuner retainer board 4 Screw BVTP 3X10 Cabinet Upper Optical pick up section Mechanism deck SW board Main board CD motor board REC SW board BATT board Tuner board AC inlet board Po...

Page 6: ...r 6 7 3 5 2 STOP EJECT 4 Screws BVTP 3X10 1 Screws BVTP 3X10 Handle Tape operation buttons Cabinet Upper 2 CNP707 6pin Cabinet Rear Main board REC SW board 3 Wire Flat type 16 core to MAIN board CN701 5 Screws BVTP 3X10 7 Screws BVTP 3X10 6 1 4 Optical pick up section Mechanism deck 9 CD motor board 8 Remove solder ...

Page 7: ...rase head rubber belts capstan 2 Demagnetize the record playback 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 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 Meas...

Page 8: ...ENT Adjust part Frequency display reading on digital voltmeter Confirmation 87 5MHz 1 1 1 5 V L2 108MHz 3 3 3 7 V FM TRACKING ADJUSTMENT Adjust for a maximum reading on level meter L1 87 5MHz CT1 108MHz Adjustment Location Tuner board See page 12 TUNER SECTION AM Section Function switch AM Volume MIN FM Section Function switch FM Volume MIN Frequency Coverage Adjustment Setting TUNER BOARD AM RF s...

Page 9: ...t press π button again longer Note When the malfunction is occurred by mis passing other buttons turn off the power and check again from making the test mode How to put the Set into Test Mode 1 Make sure the POWER switch S801 is off and then turn on the power The LCD801 all light up 2 Set Test Mode by momentarily shorting both of the test mode terminals with a jumper Shorting the terminals momenta...

Page 10: ...where both are satisfied When gain is raised the noise when the 2 axis device operates increases When gain is lowered mechanical shock and skipping occurs more easily When gain adjustment is off the symptoms below appear The following is a simple adjustment method Primary Adjustment Note Since exact adjustment cannot be performed remember the positions of the controls before performing the adjustm...

Page 11: ...mental waveform appears low tracking gain VOLT DIV 1V TIME DIV 2ms high tracking gain High fundamental wave than for low gain VOLT DIV 1V TIME DIV 2ms VOLT DIV 100mV TIME DIV 2ms Incorrect Examples DC level changes more than on adjusted waveform VOLT DIV 100mV low focus gain TIME DIV 2ms VOLT DIV 100mV high focus gain TIME DIV 2ms MAIN BOARD 75mV 0V 200mV 0V 0V 0V 0V 100mV 0V TP TO TP FO oscillosc...

Page 12: ...cking Adjustment L3 AM Tracking Adjustment CT2 AM Tracking Adjustment CFT1 AM IF Adjustment T1 FM IF Adjustment CT1 FM Tracking Adjustment TUNER BOARD Component side RV702 Focus Gain Adjustment MAIN BOARD Component side RV703 E F Balance Adjustment RV704 Tracking Gain Adjustment RV701 Focus Bias Adjustment ...

Page 13: ... SENSE I Sens input from CD DSP IC702 46 C SQSO I Sub code Q data input 47 A MUTE O Audio mute output 48 V DATA O Serial data output to electrical volume IC351 49 V CLK O Serial clock output to electrical volume IC351 50 V CE O Chip enable output to electrical volume IC351 51 REG CON O Regulator ON OFF control 52 TAPE O Function select signal output H Tape 53 RADIO O Radio B ON OFF control 54 CD O...

Page 14: ... output to PLL IC3 69 R CLK O Serial clock output to PLL IC3 70 R CE O Chip enable output to PLL IC3 71 VSS Ground 72 XTAL O System main clock output 4 19MHz 73 NC Not used Open 74 EXTAL I System main clock input 4 19MHz 75 VREF Not used Open 76 SHIFT CLK O Shift clock output 77 LD ON O Laser power ON OFF control 78 80 SEG21 19 O LCD segment output ...

Page 15: ...18 17 CFD S27 5 2 BLOCK DIAGRAM Signal path F FM E PB a REC J CD r Circuit Boards Location POWER board AC INLET board REC SW board BATT board CD MOTOR board TUNER board MAIN board SW board TUNER RETAINER board ...

Page 16: ......

Page 17: ...r less unless otherwise specified Note The components identified by mark or dotted line with mark are critical for safety Replace only with part number specified U B Line Power voltage is dc 9V and fed with regulated dc power supply from battery terminal no mark FM Radio section PLAY Tape section AM Radio section REC Tape section Voltages and current are taken with a VOM Input imped ance 10 MΩ Vol...

Page 18: ...oted pF µµF 50 WV or less are not indicated except for electrolytics and tantalums All resistors are in Ω and 1 4 W or less unless otherwise specified Note The components identified by mark or dotted line with mark are critical for safety Replace only with part number specified U B Line H adjustment for repair Power voltage is dc 9V and fed with regulated dc power supply from battery terminal Volt...

Page 19: ...AS F E EI GND TO LPFI TI ATSC TZC TDFCT VC RF IY AMP1 RF IY AMP2 r IC Block Diagrams MAIN SECTION 2 2 IC702 CXD2507AQ 3 6 3 5 14 4 5 FOK MON MDP MDS LOCK TEST FILO FILI PCO VSS AVSS CLTV AVDD RF BIAS ASYI ASYO ASYE WDCK DATA SERVO AUTO SEQUENCER CPU INTERFACE SUB CODE PROCESSOR DIGITAL CLV DIGITAL OUT CLOCK GENERATOR DIGITAL PLL D A INTERFACE ERROR CORRECTOR 16K RAM EFM DEMODULATOR ASYMMETRY CORRE...

Page 20: ......

Page 21: ...th mark are critical for safety Replace only with part number specified U B Line Power voltage is dc 9V and fed with regulated dc power supply from battery terminal no mark FM Radio section PLAY Tape section AM Radio section REC Tape section Voltages and current are taken with a VOM Input imped ance 10 MΩ Voltage variations may be noted due to normal produc tion tolerances Waveforms are taken with...

Page 22: ...istors are in Ω and 1 4 W or less unless otherwise specified Note The components identified by mark or dotted line with mark are critical for safety Replace only with part number specified U B Line H adjustment for repair Power voltage is dc 9V and fed with regulated dc power supply from battery terminal Voltages and waveforms are dc with respect to ground under no signal detuned conditions no mar...

Page 23: ...iption Remark 6 1 FRONT CABINET SECTION The components identified by mark or dotted line with mark are critical for safety Replace only with part number specified 1 X 3375 014 1 NET R ASSY BLACK EXCEPT AUS 1 X 3376 201 1 NET R ASSY GREEN AEP UK AUS 1 X 3376 203 1 NET R ASSY BLUE UK AUS 2 X 3375 013 1 NET L ASSY BLACK EXCEPT AUS 2 X 3376 200 1 NET L ASSY GREEN AEP UK AUS 2 X 3376 202 1 NET L ASSY B...

Page 24: ...STOP 65 3 009 195 31 BUTTON PAUSE 66 4 951 620 01 SCREW 2 6X8 BVTP 67 1 666 265 11 REC SW BOARD 68 3 009 201 31 HANDLE 69 3 923 736 01 COVER CD 70 1 777 955 11 WIRE FLAT TYPE 16 CORE 71 3 910 095 31 RUBBER VIBRATION PROOF RED 72 3 910 095 21 RUBBER VIBRATION PROOF GREEN 73 1 639 678 12 CD MOTOR BOARD 74 3 009 214 01 SPRING REC 75 3 015 646 01 CUSHION CD 76 3 923 151 01 CUSHION RUBBER 77 7 623 957 ...

Page 25: ... BOARD COMPLETE AUS 113 3 703 397 01 STOPPER WIRING 114 1 782 112 11 WIRE PARALLEL FFC 13 CORE 115 1 666 570 11 TUNER RETAINER BOARD 116 3 831 441 11 CUSHION F 117 3 846 312 01 SPACER ANT1 1 501 918 11 ANTENNA TELESCOPIC F902 1 532 464 31 FUSE TIME LAG T2 5AL 250V LCD801 1 801 592 11 DISPLAY PANEL LIQUID CRYSTAL T901 1 427 943 11 TRANSFORMER POWER Ref No Part No Description Remark Ref No Part No D...

Page 26: ...R FF 162 3 008 587 01 SLIDER STOP 163 3 008 591 01 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 3 022 794 02 SPRING BT 169 3 933 007 01 PLATE LOCK 170 3 012 114 01 LEVER FR HE901 1 543 876 11 HEAD ERASE HRP901 1 500 454 11 HEAD MAGNETIC RECORD PLAYBACK Ref No Part No Description Remark Ref No Part No Description R...

Page 27: ...S OUTSERT 214 3 343 358 01 RING RETAINING 215 3 933 005 01 SPRING CAM COMPRESSION 216 3 016 349 01 WASHER 217 3 937 760 01 SPRING GROUND COMPRESSION 218 3 934 336 01 BEARING 219 3 939 383 02 SPRING COMPRESSION 220 3 009 650 02 SPRING K COMPRESSION M901 A 3320 446 A MOTOR ASSY INCLUDING MOTOR PULLEY S901 1 762 679 11 SWITCH LEAF MOTOR ON OFF S902 1 771 059 11 SWITCH LEAF TAPE PLAY Ref No Part No De...

Page 28: ... MB RP MOTOR INCLUDING M702 SPINDLE M701 X 2625 769 1 GEAR ASSY MB RP MOTOR SLED Ref No Part No Description Remark Ref No Part No Description Remark 6 6 OPTICAL PICK UP SECTION KSM 213CDM The components identified by mark or dotted line with mark are critical for safety Replace only with part number specified not supplied 5 M701 M702 251 255 252 253 254 ...

Page 29: ...V C103 1 104 664 11 ELECT 47uF 20 10V C104 1 161 020 11 CERAMIC 0 039uF 10 25V C105 1 162 302 11 CERAMIC 0 0022uF 20 16V C111 1 124 902 00 ELECT 0 47uF 20 50V C113 1 124 903 11 ELECT 1uF 20 50V C121 1 124 902 00 ELECT 0 47uF 20 50V C122 1 104 664 11 ELECT 47uF 20 10V C191 1 126 927 11 ELECT 2200uF 20 10V C192 1 124 903 11 ELECT 1uF 20 50V C194 1 126 961 11 ELECT 2 2uF 20 50V C195 1 136 153 00 FILM...

Page 30: ... 10 50V C741 1 124 443 00 ELECT 100uF 20 10V C742 1 136 173 00 FILM 0 47uF 5 50V C743 1 162 290 31 CERAMIC 470PF 10 50V C744 1 162 286 21 CERAMIC 220PF 10 50V C745 1 124 902 00 ELECT 0 47uF 20 50V C746 1 162 306 11 CERAMIC 0 01uF 20 16V C747 1 162 306 11 CERAMIC 0 01uF 20 16V C748 1 161 494 00 CERAMIC 0 022uF 25V NEW TYPE C748 1 162 306 11 CERAMIC 0 01uF 20 16V FORMER TYPE C750 1 136 153 00 FILM 0...

Page 31: ...ANSISTOR KRA107M Q313 8 729 036 77 TRANSISTOR KRC107M Q701 8 729 037 02 TRANSISTOR KTA1266Y AT Q703 8 729 036 80 TRANSISTOR KRC110M Q801 8 729 037 34 TRANSISTOR KRA107M Q802 8 729 036 80 TRANSISTOR KRC110M Q803 8 729 922 66 TRANSISTOR 2SC2410SN Q804 8 729 922 66 TRANSISTOR 2SC2410SN Q805 8 729 037 34 TRANSISTOR KRA107M Q806 8 729 037 11 TRANSISTOR KTA1271 Y AT Q807 8 729 037 34 TRANSISTOR KRA107M ...

Page 32: ...BON 1K 5 1 4W R752 1 249 417 11 CARBON 1K 5 1 4W R753 1 249 417 11 CARBON 1K 5 1 4W R754 1 249 429 11 CARBON 10K 5 1 4W R755 1 249 429 11 CARBON 10K 5 1 4W R756 1 249 440 11 CARBON 82K 5 1 4W R757 1 249 439 11 CARBON 68K 5 1 4W R758 1 249 439 11 CARBON 68K 5 1 4W R759 1 249 439 11 CARBON 68K 5 1 4W R760 1 249 417 11 CARBON 1K 5 1 4W R766 1 249 417 11 CARBON 1K 5 1 4W R776 1 249 417 11 CARBON 1K 5 ...

Page 33: ... 1 228 995 00 RES ADJ METAL 22K FOCUS BIAS RV702 1 228 995 00 RES ADJ METAL 22K FOCUS GAIN RV703 1 228 991 00 RES ADJ METAL 2 2K E F BALANCE RV704 1 228 995 00 RES ADJ METAL 22K TRACKING GAIN SWITCH S821 1 762 871 11 SWITCH KEYBOARD RESET TRANSFORMER T301 1 433 268 00 TRANSFORMER BIAS OSCILLATOR VIBRATOR X701 1 760 793 11 VIBRATOR CERAMIC 16 9344MHz X801 1 767 184 11 VIBRATOR CERAMIC 4 19MHz X802 ...

Page 34: ... 7uF 20 50V C18 1 104 664 11 ELECT 47uF 20 10V C19 1 162 306 11 CERAMIC 0 01uF 20 16V C22 1 162 306 11 CERAMIC 0 01uF 20 16V C23 1 161 053 00 CERAMIC 0 015uF 10 50V C24 1 161 053 00 CERAMIC 0 015uF 10 50V C26 1 126 963 11 ELECT 4 7uF 20 50V C27 1 126 963 11 ELECT 4 7uF 20 50V C44 1 162 839 11 CERAMIC 0 01uF 10 16V C45 1 136 177 00 FILM 1uF 5 50V C46 1 126 963 11 ELECT 4 7uF 20 50V C47 1 162 306 11...

Page 35: ...1 CARBON 10K 5 1 4W FORMER TYPE R38 1 249 429 11 CARBON 10K 5 1 4W R39 1 249 429 11 CARBON 10K 5 1 4W R40 1 249 417 11 CARBON 1K 5 1 4W R41 1 249 417 11 CARBON 1K 5 1 4W R42 1 249 425 11 CARBON 4 7K 5 1 4W R43 1 249 437 11 CARBON 47K 5 1 4W R44 1 249 429 11 CARBON 10K 5 1 4W R45 1 249 441 11 CARBON 100K 5 1 4W R46 1 247 863 91 CARBON 22K 5 1 4W R55 1 249 421 11 CARBON 2 2K 5 1 4W R56 1 249 407 11 ...

Page 36: ...UCTION POLISH RUSSIAN EE RUSSIAN 3 859 119 61 MANUAL INSTRUCTION ENGLISH AUS 3 859 120 11 MANUAL INSTRUCTION CZECH HUNGARIAN EE RUSSIAN 3 859 120 21 MANUAL INSTRUCTION SWEDISH FINNISH EE RUSSIAN HARDWARE LIST 1 7 685 647 79 SCREW BVTP 3X10 TYPE2 N S 2 7 685 533 19 SCREW BTP 2 6X6 TYPE2 N S 3 7 682 548 04 SCREW B 3X8 4 7 621 770 87 SCREW B 2 6X5 5 7 621 255 15 SCREW P 2X3 6 7 685 783 09 SCREW PTT 2...

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