Sony CFD-Z125 - Cd Radio Cassette-corder Page 5 Service Manual Download | Manualshive

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Summary of Contents for CFD-Z125 - Cd Radio Cassette-corder

Page 1: ...44 6 µW This output is the value measured at a distance of about 200 mm from the objective lens surface on the optical pick up block with 7 mm aperture Spindle speed 200 r min rpm to 500 r min rpm CLV Number of channels 2 Frequency response 20 20 000 Hz 3 3 dB Wow and flutter Below measurable limit Radio section Frequency range FM 87 6 108 MHz AM 530 1 710 kHz Aerials FM Telescopic aerial AM Built...

Page 2: ...ltage drop across a resistor by means of a VOM or battery operatedAC voltmeter The limit indication is 0 75 V so analog meters must have an accurate low voltage scale The Simpson 250 and Sanwa SH 63Trd are examples of a passive VOM that is suitable Nearly all battery operated digital multimeters that have a 2V AC range are suitable See Fig A SAFETY CHECK OUT To Exposed Metal Parts on Set 0 15 µF 1...

Page 3: ...iring CD section playing a disc without the CD lid use Chuck Plate Jig Code number of Chuck Plate Jig X 4918 255 1 LASER DIODE AND FOCUS SEARCH OPERATION CHECK 1 Turn POWER switch on with no disc inserted and make Function switch to CD position 2 Open the lid for CD 3 Turn on S702 as following figure 4 Press the fl button 5 Confirm the laser diode emission while observing the objecting lens When t...

Page 4: ... 4 SECTION 2 GENERAL This section is extracted from instruction manual ...

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Page 9: ...ARD SENSOR BOARD Page 13 MOTOR BOARD SLED BOARD M702 Page 12 CD DECODER BOARD LAMP BOARD Page 11 OPTICAL PICK UP SECTION Page 11 OPTICAL PICK UP Page 12 Note Follow the disassembly procedure in the numerical order given This set can be disassembled in the order shown below 3 1 REAR CABINET 6 CN304 4 Screw 2pcs KTP 3 12 3 Screw BTP 3 12 2 Screws 5pcs BTP 3 16 1 Battery Case lid 5 Rear Cabinet ...

Page 10: ... 10 4 CD Block 3 Screws 5pcs BTP 3 12 2 CN302 1 CN305 3 Screws 3pcs BTP 3 12 1 CN303 2 CN07 4 MAIN Board 5 SP TERMINAL Board 3 2 CD BLOCK 3 3 MAIN BOARD SP TERMINAL BOARD ...

Page 11: ...PTICAL PICK UP SECTION KSM 213CDM Z NP 1 CN801 4 Screws 2pcs BTP 3 10 6 CD DECODER Board 8 CN706 9 LAMP Board Z135 only 2 CN701 3 CN802 3 CN703 5 Lag 7 Two claws Remove solder 1 Screws 4pcs PTPWH 2 6 8 2 Optical Pick up Section KSM 213CDM Z NP ...

Page 12: ...N 3 7 MOTOR BOARD SLED MOTOR M702 1 Remove two solders 2 MOTOR Board 3 Screws 2pcs P 2 3 1 Remove two solders 4 Sled motor M702 1 Two claws 2 CD Pick up Cover 1 Two claws 3 Claw 4 A gear 7 Optical Pick up KSS 213C Z N 5 Claw 6 Sled shaft ...

Page 13: ...02 3 Press the eject p 6 button 6 Two claws 4 Screws 2pcs BTP 3 10 7 Mechanism deck MF Z125 5 lag 1 CN003 2 CN303 3 Two claws 3 Two claws 4 Function button 5 Screws 3pcs BTP 3 10 6 Three claws 7 Remove solder 8 Earth wire 9 FRONT board 0 Remove solder SENSOR board Z135 only ...

Page 14: ... 11 CASSETTE DOOR 1 Press the eject p 6 button 2 Two claws 3 Remove the Cassette door to direction of the arrow A A 2 Two claws 1 Remove solder 2 Screw MB 3 Claw 4 Main belt 5 Screws 2pc Motor collar 6 Motor bracket 7 Capstan reel motor M601 ...

Page 15: ...NG Note Follow the disassembly procedure in the numerical order given Claw Dial pointer 3 Setting the dial pointer 2 Two screws BTP3 12 1 Tuning knob holder ass y A 5 MAIN board 4 Rotate the dial drum fully in direction of the arrow A ...

Page 16: ...th a denatured alchool moistened swab record playback head pinch roller erase head rubber belts capstans idlers 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 adjustment should be pe...

Page 17: ...ood wrong Deck screwdriver Tape Speed Adjustment Procedure Mode Playback Adjustment Value normal tape speed 3 000Hz Frequency difference between the beginning and the end of the tape should be within 3 90Hz Adjustment Location Motor M601 Digital frequency counter 2 985 3 015Hz Speed checker 3 0 to 3 0 3 2 Ω test tape WS 48B 3kHz 0dB set speed checker LFM 30 or digital frequency counter SPEAKER Ter...

Page 18: ... maximum reading on level meter L4 520kHz CT4 1 780kHz AM TRACKING ADJUSTMENT Adjust for a maximum reading on level meter L3 600kHz CT3 1 400kHz FM FREQUENCY COVERAGE ADJUSTMENT Adjust for a maximum reading on level meter L2 97 5MHz CT2 108 5MHz FM TRACKING ADJUSTMENT Adjust for a maximum reading on level meter L1 90MHz CT1 106MHz Adjustment Locastion MAIN board See page 19 VCO Adjustment Procedur...

Page 19: ...CT3 AM Tracking Adjustment CT1 L1 T1 AM IF Adjustment 16 15 1 4 IC1 L2 CT2 FM Frequency Coverage Adjustment RV1 VCO Adjustment FM Tracking Adjustment L3 AM Tracking Adjustment AM Frequency Coverage Adjustment MAIN BOARD Component Side ...

Page 20: ...mes available for normal operation CD SECTION Before Begining Adjustment Put the set into test mode and perform the following checks Repair if there are any problems Sled Motor Check Press buttons and confirm that the optical pick up moves smoothly from the innermost to outermost circumference and back smoothly and with no catching or abnormal noises Optical pick up moves to the outer circumferenc...

Page 21: ...DECODER board See page 22 E F Balance Adjustment This adjustment is to be done when the optical pick up is replaced Procedure 1 Connect the oscilloscope to TP702 pin 1 and pin 2 on the CD DECODER board 2 Put the disc YEDS 18 3 Put the set into test mode See page 20 4 Press the and buttons to move the optical pick up to the center 5 Press the fl button From focus searching focus is turned ON while ...

Page 22: ... 22 Adjustment Location CD DECODER BOARD Component Side Focus Bias Adjustment E F Balance Adjustment VR701 TP701 VR702 TP702 25 31 36 12 1 IC701 2 1 2 1 LCD801 ...

Page 23: ...PROCESSOR D A CONVERTER 16 L4 AM OSC 20 21 CD L R CH R CH R CH 7V HRP901 REC PB HEAD HE901 ERASE HEAD BIAS OSC Q303 IC301 PRE AMP 24 22 5 4 15 21 REC PLAY TAPE RADIO CD NAB NF1 REC NAB AMP 26dB 8 3 19 1 7 5 11 9 15 13 OUT 1 TAPE TAPE L301 Q307 Q102 103 Q101 Q301 8 AMP VR LOGIC CONTROL 7 5 4 DATA CLK STANDBY VCC AUDIO MUTE Q105 RADIO B SWITCH Q314 11 1 12 IC303 POWER AMP R CH PHONES JK301 SP101 SP2...

Page 24: ...T TM1 FS4 ATSC WINDOW COMP FCS PHASE COMPENSATION TRACKING PHASE COMPENSATION ISET FS1 FS2 TM4 TM5 TM6 TM3 TM7 TG2 F SET TG1 TM2 TOG1 3 FS1 4 TG1 2 TM1 7 PS1 4 BAL1 3 35 34 2 3 4 5 6 7 9 10 11 13 14 15 16 17 18 19 22 23 24 25 26 27 29 30 40 39 38 37 36 34 31 41 42 43 44 45 46 47 48 49 50 51 52 54 55 56 57 58 59 60 70 69 63 64 65 66 61 62 73 74 77 78 1 SQCK SQSO EXCK SBSO SCOR XLON SPOA C CLOK XLAT...

Page 25: ...ations may be noted due to normal produc tion tolerances Circled numbers refer to waveforms Signal path J CD Waveforms Note The components identified by mark or dotted line with mark are critical for safety Replace only with part number specified 0 36Vp p 0 8 to 1 8Vp p 1msec div 0 2V div 0 2µsec div 1V div 0 1µsec div 1V div 0 1µsec div 1V div 1msec div 0 5V div 5msec div 1V div 20nsec div 1V div...

Page 26: ...Power voltage is dc 9 V 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 mark FM AM PB REC Impossible to measure 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 ...

Page 27: ... 6 7 8 9 10 11 12 13 14 15 3 2 1 28 27 26 25 24 23 22 21 20 19 18 17 16 REG FM FRONT END AM FRONT END VCO MPX REG 1 2 COUNTER 1 2 COUNTER PD1 PD2 MUTING DECODER AMP MONO ST SELECT RIPPLE FILTER AUTOBLEND BAND PASS MUTE TUNING INDICATOR FM IF DISCRI AM IF DET GND PLL LPF2 MPX REG VCO FM DISCRI MUTE AM OSC AFC FM OSC REG FM RF AM RF IN FM RF IN BAND SELECT AM IF IN FM IF IN TUNE IND GND VCC L CH OUT...

Page 28: ...se noted 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 C panel designation U B Line Power voltage is dc 9 V and fed with regulated dc power supply from battery terminal Voltages are dc with respect to ground under no signal detuned conditions no mark Poweron Voltages are taken with a VOM Input imped...

Page 29: ... others function H TAPE Not used Pin Name COM 2 COM 1 CUP 1 CUP2 RESET REM IN SQSO DATA SQCK CLOCK COUNT SCOR SENS GFS FOK TAPE DIRECTION STEREO IN SYNC REC IN WP IN REG CHECK XT OUT XT IN VDD 2 VDD 1 VSS VDD CF IN CF OUT KEY IN 1 KEY IN 2 KEY IN 3 KEY IN 4 KEY IN 5 KEY IN 6 KEY IN 7 KEY IN 8 KEY IN9 M2 M3 CD SW CD TAPE Pin No 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 to 78 79 80...

Page 30: ...11 POWER BOARD 2 1 670 124 11 BATTERY A BOARD 3 3 013 673 11 HANDLE 4 3 013 674 11 LID BATTERY CASE 5 3 014 422 01 SPRING 3A BATTERY 6 1 670 125 11 BATTERY B BOARD 7 3 014 421 01 SPRING ANT CONTACT 8 3 024 452 01 CABINET BACK 9 3 026 685 01 PRESS SPRING ANT901 1 501 927 11 ANTENNA TELESCOPIC FM SW T901 1 431 940 11 TRANSFORMER POWER 51 3 026 238 01 SPRING CD DOOR 52 3 024 450 01 HOLDER CASSETTE 53...

Page 31: ...IO TAPE 110 1 783 750 11 CABLE FLEXIBLE FLAT 120MM 11P 111 A 3293 946 A FRONT BOARD COMPLETE Z125 111 A 3293 974 A FRONT BOARD COMPLETE Z135 112 1 783 751 11 CABLE FLEXIBLE FLAT 160MM 19P 113 3 013 002 11 CHASSIS CD 114 3 026 244 01 DAMPER WHITE GEAR 115 3 026 159 01 COVER MAGNET 116 1 452 732 11 MAGNET 117 3 013 775 01 PLATE MAGNET 118 3 013 667 01 WINDOW CD DOOR 119 3 013 000 11 DOOR CD 120 3 01...

Page 32: ...48 483 05 OPTICAL PIC UP KSS 213C Q RP 152 2 626 907 01 GEAR A 152 2 627 003 02 GEAR B RP 154 2 626 908 01 SHAFT SLED 155 1 639 678 12 MOTOR BOARD 156 X 2626 202 1 CHSSIS ASSY MB RP MOTOR INCLUDING M701 SPINDLE M702 X 2625 769 1 GEAR ASSY MB MOTOR SLIED The components identified by mark or dotted line with mark are critical for safety Replace only with part number specified ...

Page 33: ... 915 784 01 ARM ASSY PINCH ROLLER 211 3 025 371 01 BACK TENSION SPRING 212 3 014 769 01 S REEL HUB 213 3 025 372 01 TAKE UP REEL ASSY 214 3 915 797 01 SENSOR 215 3 348 357 01 GEAR FF 216 3 915 785 01 LEVER SENSING 217 3 014 757 01 M CONTROL SPRING 218 3 014 779 01 C SCREW 2 3 219 3 014 778 01 PACK SPRING PLATE 220 3 014 777 01 EJECT SLIDE LEVER 221 3 915 792 01 GEAR CAM 222 3 014 748 01 E ACTUATOR...

Page 34: ...014 736 01 SW ACTUATOR 263 3 014 761 01 PR STOPPER 264 3 014 747 01 BUTTON LEVER SPRING A 265 3 014 753 01 HEAD PANEL 266 3 014 756 01 PANEL P SPRING 267 3 014 766 01 GEAR PLATE SPRING 268 3 014 767 01 GEAR PLATE 269 3 915 740 01 BASE ASSY A 270 3 915 752 01 SPRING P CONTROL 271 3 014 744 01 LEVER F PAUSE 272 3 014 745 01 P LEVER SPRING 273 3 014 746 01 PAUSE STOPPER 274 3 014 752 01 BUTTON LEVER ...

Page 35: ...o Description Remarks 301 3 013 683 01 EMBLEM 302 X 3375 655 1 CABINET ASSY FRONT 303 3 012 996 11 PANEL SPEAKER FRONT 304 3 012 998 11 CABINET L SPEAKER BACK 304 3 012 999 11 CABINET R SPEAKER BACK 305 3 013 666 01 RETAINER SPK WIRE SP101 1 505 953 11 SPEAKER 4 INCH 2 3W SP201 1 505 953 11 SPEAKER 4 INCH 2 3W ...

Page 36: ... 16V C716 1 136 159 00 MYLAR 0 033uF 10 50V C717 1 130 495 11 MYLAR 0 1uF 5 50V C718 1 130 495 11 MYLAR 0 1uF 5 50V C719 1 126 963 11 ELECT 4 7uF 20 50V C720 1 130 483 00 MYLAR 0 01uF 5 50V C721 1 162 199 31 CERAMIC 10PF 5 50V C722 1 126 382 11 ELECT 100uF 20 10V C723 1 161 485 00 CERAMIC 0 1uF 50V C724 1 126 233 11 ELECT 22uF 20 50V C725 1 161 494 00 CERAMIC 0 022uF 25V C726 1 161 494 00 CERAMIC ...

Page 37: ... 430 11 CARBON 12K 5 1 4W R713 1 247 879 11 CARBON 100K 5 1 4W R714 1 247 871 11 CARBON 47K 5 1 4W R715 1 247 871 11 CARBON 47K 5 1 4W R716 1 247 871 11 CARBON 47K 5 1 4W R717 1 247 871 11 CARBON 47K 5 1 4W R718 1 247 879 11 CARBON 100K 5 1 4W R719 1 249 431 11 CARBON 15K 5 1 4W R720 1 249 431 11 CARBON 15K 5 1 4W R721 1 247 841 11 CARBON 2 7K 5 1 4W R722 1 249 438 11 CARBON 56K 5 1 4W R723 1 247 ...

Page 38: ...0V C253 1 126 963 11 ELECT 4 7uF 20 50V C254 1 162 294 31 CERAMIC 0 001uF 10 50V C255 1 161 052 00 CERAMIC 0 012uF 10 25V C256 1 162 303 11 CERAMIC 0 0033uF 20 16V C257 1 110 671 31 CERAMIC 47000PF 50V C258 1 162 306 11 CERAMIC 0 01uF 20 16V C259 1 126 956 11 ELECT 0 1uF 20 50V C262 1 162 286 31 CERAMIC 220PF 10 50V C263 1 161 494 00 CERAMIC 0 022uF 25V C264 1 126 960 11 ELECT 1uF 20 50V C265 1 16...

Page 39: ... 1 162 286 31 CERAMIC 220PF 10 50V C108 1 126 967 11 ELECT 47uF 20 16V C109 1 162 294 31 CERAMIC 0 001uF 10 50V C110 1 162 290 31 CERAMIC 470PF 10 50V C111 1 126 962 11 ELECT 3 3uF 20 50V C112 1 162 302 11 CERAMIC 0 0022uF 20 16V C114 1 126 960 11 ELECT 1uF 20 50V C116 1 162 301 11 CERAMIC 0 0015uF 30 16V C117 1 126 933 11 ELECT 100uF 20 10V C118 1 126 933 11 ELECT 100uF 20 10V C119 1 106 220 00 M...

Page 40: ...1 416 707 11 COIL P L301 1 431 912 11 TRANSFORMER BIAS OSCILLATION L302 1 416 707 11 COIL P TRANSISTOR Q2 8 729 422 57 TRANSISTOR UN4111 Q101 8 729 119 78 TRANSISTOR 2SC403SP 51 Q102 8 729 142 46 TRANSISTOR 2SC2001 LK Q103 8 729 142 46 TRANSISTOR 2SC2001 LK Q105 8 729 141 30 TRANSISTOR 2SC3623A LK Q201 8 729 119 78 TRANSISTOR 2SC403SP 51 Q202 8 729 142 46 TRANSISTOR 2SC2001 LK Q203 8 729 142 46 TR...

Page 41: ...1 4W R319 1 247 871 11 CARBON 47K 5 1 4W R320 1 247 807 11 CARBON 100 5 1 4W R321 1 247 855 11 CARBON 10K 5 1 4W R322 1 247 855 11 CARBON 10K 5 1 4W R323 1 247 855 11 CARBON 10K 5 1 4W R324 1 247 863 11 CARBON 22K 5 1 4W R325 1 249 417 11 CARBON 1K 5 1 4W F R326 1 249 409 11 CARBON 220 5 1 4W F R327 1 247 811 11 CARBON 150 5 1 4W R328 1 247 807 11 CARBON 100 5 1 4W R329 1 247 807 11 CARBON 100 5 1...

Page 42: ...20MVD0 PLAY S302 1 771 134 11 SWITCH REC MSW 1275 S307 1 771 135 11 SWITCH LEAF MOTOR ON S702 1 692 960 11 SWITCH PUSH 1KEY CD LID OPEN CLOSE DET SP101 1 505 953 11 SPEAKER 4 INCH 2 3W SP201 1 505 953 11 SPEAKER 4 INCH 2 3W ACCESSORIES PACKING MATERIALS 1 475 922 11 REMOTE CONTROL RMT CZ135A Z135 1 782 401 11 CORD POWER US 1 782 482 11 CORD POWER E 3 862 366 11 MANUAL INSTRUCTION English 3 862 366...

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