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FILE NO.

Service Manual

CD Radio Cassette

Recorder

MCD-Z250F

(XE)

Specifications

(Cassette Section)

Recording system ........................ AC bias, 4 track stereo

Erasing system.. ........................... Magnet erase

Tape speed ................................. .4.8 cm sec.

Fast forward and rewind time.. ....

sec. (C-60 tape)

Frequency response ................... .60 - 14,000 Hz (Normal tape)

(CD

Section)

Channels ...................................... 2 channels

Wow & Flutter.. ............................. Undetectable

Sampling frequency ..................... 44.1 kHz

Quantization ................................ .16 bit linear / ch

Pick up light source ...................... Semi-conductor laser

Pick up wave length ....................

(Radio Section)

Tuning ranges .............................. FM

87.5 - 108 MHz

AM:522-1,611 kHz

Antennas ...................................... Built-in ferrite bar and

telescoping rod antennas

PRODUCT CODE No.

142 660 10

(General)

Output power . . . . . . . . . . . . . . 2.8

(DIN music)

Speaker . . . . . . . . . . . . . . . . . . . . . . . 10 cm x 2, 8 ohms

Terminal impedance

PHONES . . . . . . . . . . . . . . . . . 32 ohms

Power source . . . . . . . . . . . . . . AC

230 V, 50 Hz

12 V (8 “R14/C” batteries)

Tuner memory back-up batteries

DC 6 V, 4

batteries

Remote control unit

DC 3 V, 2

batteries

Dimensions . . . . . . . . . . . . . . . . . 412 x 158 x 239 mm (W x H x D)

Weight (approx.) . . . . . . . . . . 2.8 kg (without batteries)

Specifications subject to change without notice.

REFERENCE No. SM580826

Содержание MCD-Z250F

Страница 1: ...ht source Semi conductor laser Pick up wave length 790 nm Radio Section Tuning ranges FM 87 5 108 MHz AM 522 1 611 kHz Antennas Built in ferrite bar and telescoping rod antennas PRODUCT CODE No 142 660 10 General Output power 2 8 W ch DIN music Speaker 10 cm x 2 8 ohms Terminal impedance PHONES 32 ohms Power source AC 230 V 50 Hz DC 12 V 8 R14 C batteries Tuner memory back up batteries DC 6 V 4 RG...

Страница 2: ...VARNING OSYNLIG LASER STRALNING N R DENNA DEL A R OPPNAD OCH SPiiRR AR URKOPPLAD STRALEN iiR FARLIG VORSICHT UNSICHTBARE IASERSTRAHLUNG TRITT AUS WENN m 1 DECKEL GECjFFNET UND WENN SICHERHEITSVERRIEGELUNG I BEREIROCKT 1s NIGHT DEM STRAHL AUSSETZEN VARO AVAllAESSA JA SUOJALUKITUS OHITEllAESSA OLET ALllllNA NkYMjill 4A LLE LASERSATEILYLLE Ati KATSO SjiTEESEEN REMOVAL AND INSTALLATION Disconnect the ...

Страница 3: ...REMOVAL AND INSTALLATION d CD MECHANISM e CD P W BOARD f OPEN I CLOSE P W BOARD g DISPLAY P W BOARD OPEN CLOSE P W S h MAIN P W BOARD BLOCK 0 a8 ...

Страница 4: ...REMOVAL AND INSTALLATION i TUNER P W BOARD j WIRING l FRONT l TAPE MECHANISM SPEAKER C MECHA MOTOR C MECHA HEAD CN422 CN416 CN412 WP SWITCH P W B CN417 3 ...

Страница 5: ...ch rotates the disc and the sled motor which cases the disc signals to be tracked as well as the gear and other components operate smoothly without eccentricity l When handling the pickup take care not to exert excessive force and particular care should be taken not to touch the lens or the drive circuit s P W Board pattern a Replacement of the spindle motor l First prepare the new turntable CMl 2...

Страница 6: ...up CM7 The pickup P W Board pattern is shorted as shown in the figure so that the new pickup will not be susceptible to the effects of static Set the pattern to open after the pickup has been replaced I short open I d Checking the action of the CD mechanism e Replacement of the sled motor 1 Disconnect the socket for the sled motor power supply from 1 Remove two screw CYl and remove the sled motor ...

Страница 7: ...struments and Test disc 1 Test Disc YEDS 18 SONY 2 Oscilloscope SS5711 10 MHz and Dual Phenomenon NOTE CD section of this unit can not need adjustment because CD P W Board checked at automatic checker b Confirm of general operation 1 Set the test disc 2 Press the PLAY button then confirm the disc rotating to clockwise direction 3 Press the SKIP SEARCH button then confirm the most inner music or mo...

Страница 8: ...VM TP8 H Generator Loop ANT Oscilloscope TP7 E XF213 Non adjustment 4 T r a c k i n g 1 1 zzrf 1 Loop ANTI Os ope I tL i IslMaximum c FM Adjustment BAND SELECT SWITCH FM FM Dummy Antenna 75 ohm unbalance Step Adjusting Tuning Input Connection Output Connection Adjustment Circuit Frequency Measurement Input Measurement Output Parts VTVM Oscilloscope 1 10 6 MHz 98 1 MHz FM Sweep TP2 H VTVM TP8 H _ G...

Страница 9: ...STOP button b Replacing the Head HEAD AZIMU l After replacing the head demagnetize the head by using a degausser RIP HEAD l All wiring should be returned to the original position after work is completed c Replacing the Motor 0 Pl d Adjusting Tape Speed l Use a plastic screwdriver for adjustment 1 Inset the test tape Ml f 1 11 N etc 3000 Hz 2 Press the PLAY button 3 Use a flat tip screwdriierto tur...

Страница 10: ...24 27 TAPE MECHANISM TM PR15TN SH ...

Страница 11: ... MECHA 6142926802 BUTTON PAUSE 6142926796 BUTTON STOP EJECT 6142926789 BUTTON F FWD 6142926772 BUlTON REW 6142926765 BUTTON PLAY 6142926758 BUlTON REC 614 284 6988 KNOB SLIDE FUNCTION 614 284 6889 BUl fON BASS 6142708316 ASSY GEAR 614 284 7091 SPRING WIRE CASSETTE 6142776780 ASSY PULLEY 6142708316 ASSY GEAR 6142847084 SPRING WIRE CD OPEN 614284 7015 LEVER CD OPEN 6142702178 DAMPER 6142408308 SPRIN...

Страница 12: ... 2101 MT GLAZE 2 7K JA l low 401 038 9001 MT GLAZE 680 JA 111OW 401 038 9308 MT GLAZE 68K JA l lOW 401 037 6704 MT GLAZE 1 2K JA l low 401 038 7601 MT GLAZE 560 JA l lOW 401 038 7601 MT GLAZE 560 JA l low 401 038 7601 MT GLAZE 560 JA l low 401 037 5400 MT GLAZE 1K JA 111OW 401 038 7601 MT GLAZE 560 JA l lOW 401 038 6406 MT GLAZE 4 7K JA 111OW REF NO PART NO R1472 4 0 1 0 3 8 6 4 0 6 RI473 401 037 ...

Страница 13: ... 4070079904 DIODE GMAOl 4070124406 DIODE lSS133 407 007 9904 DIODE GMAOl 4070124406 DIODE lSS133 4070079904 DIODE GMAOl 407 012 4406 DIODE lSS133 407 007 9904 DIODE GMAOl 4070124406 DIODE lSS133 REF NO IC151 IC411 IC412 IC413 L1501 L4902 PR411 01501 or 1502 or 4101 Q4102 or 4103 or 4104 or z4105 or 4106 or 4107 or 4121 or or or or t4902 or 4903 or or R4749 R4849 R4941 s4905 x1501 PART NO DESCRIPTI...

Страница 14: ...0 EJECT SLIDE LEVER TM11 6450111297 P TAPP BIND SCREW M2X5 TM12 6450112478 CAMERA TAPP SCREW M2X4 5 TM13 6450091445 PS LEVER SPRING TM14 6450091544 LEAF SWITCH MSW 1541F TM15 6450091476 REC BUlTON LEVER SPRING TM16 6450091438 E ACTUATOR SPRING TM17 6450091490 CAM GEAR TM18 6450111273 P WASHER CUT 1 2X3 8X0 3 TM19 6450111136 RF CLUTCH ASSY TM20 645 009 1766 RF BELT TM21 6450092626 P WASHER 2 0X3 5X...

Страница 15: ...EXPLODED VIEW TAPE MECHANISM TM54 TM31 T M 3 2 TM33 14 ...

Страница 16: ... STOP MOTOR CD SPINDLE DC 0 2W SPECIAL WASHER TURN TABLE SUPORT SHAFT PICK UP RAIL SHAFT PICK UP RAIL ASSY MOTOR CD SLED GEAR SLED RETARD GEAR 1 REF NO CM5 CM6 CM7 EM8 CM9 CM10 CYl CY2 CY3 412 047 3904 CY4 411 022 8408 PART NO 6142377109 6142377116 645 006 7983 6450188879 6142622599 614 238 6934 6450078873 411 044 8004 4111524301 DESCRIPTION GEAR SLED RETARD GEAR 2 GEAR SLED PICKUP LASER SF P100 P...

Страница 17: ... FIN2 FIN1 RF FIN2 FIN1 FE Input Pin for Tracking Jump Signal from Digital I ut Pin for Track Error Sense Signal to Digital Constant Linear Vel It Control Level of Data Slice by Digital Signal ut Pin of Data for Command from Micro 62 LDD 0 Output Pin of APC Automatic Power Control Circuit 63 LDS I Input Pin of APC Automatic Power Control Circuit 64 VCCl I VCC for RF Root 16 ...

Страница 18: ...I RCHO I 0 loutput terminal for R ch 41 1 RVDD 1 IPowersupplyfor R ch 42 I MUTER I o IMuteoutput teninalfor Rch 43 1 XVDD I IPower supply of crystal oscillation 44 I XOUT I o IConnection terminal of crystal oscillation 16 9344MHz 46 I XIN 1 I lConnection teninal of crystal oscillation 16 9344MHz 1 46 I xvss I IGND of crystal oscillation 47 I SSSY I 0 Output terminal for synchronizing signal of sub...

Страница 19: ...1 186N Tuner System GND IfOUT VCC IC221 LC72131MD PLL Frequency Synthesizer I I I I 1 A IN A OUT IC411 TA2068N Tape Deck Amplifier H WFdoEE NAB OUT 2 IC211 LA1832ML Tuner System IC412 TA8229K AF Amplifier Clx CC I B S I IN I CIJT NiF I IC413 S 8705OCF VP Voltage Regulator VOR CD VSS 18 ...

Страница 20: ...signal 29 WRQ I Inter Face for DSP SubQ request signal 30 TX Notused 31 TEX I Not used VSS Reset signal No used VDD Power supply Key input Key input Key input Key input Function switch input Destination input No Pin Name VO Function 41 SELECT I Model select input 42 SYNC REC I Synchronization recording start signal 43 NC Not used VDD 44 CQCK 0 Inter Face for DSP Clock 45 COIN I Inter Face for DSP ...

Страница 21: ...WIRING CONNECTION LEFT SPEAKER RIGHT SPEAKER w 1 TAPE MECHANISM 1 11 AMP 8 SYSCON P W B CD MECHANISM J PICK I CNlOl U3P BATTERY TERMINAL 1 P W B 20 ...

Страница 22: ...SCHEMATIC DIAGRAM TUNER I 1 I L 1 1 I e 21 ...

Страница 23: ...WIRING DIAGRAM TUNER TUNER P W B 22 ...

Страница 24: ...WIRING DIAGRAM CD 23 ...

Страница 25: ...SCHEMATIC DIAGRAM CD MECHANISM PM DAD 94Cl i T t T t 7 I_ I I T_ T I ITI T 1 I I I I 1 I T II m t This is a basic schematic diagram 24 ...

Страница 26: ...1 CGCK 5 XRST ICI02 LC78622E CN103 __ __ __ __ _ __ __ __ ___ __ _ __ __ _ ___ _ 25 ...

Страница 27: ...and the schematic diagram designated components in which safety can be of special sii component identified by A use only the replacement pans designated or parts with the same or voltage that are designated in the parts list in this manual Leakagecurrent or resistance mf determine that exposed parts are acceptably insulated from the supply circuit before returning This is a basic schematic diagram...

Страница 28: ...54350 l FUP SIY i KCHA HOTOR BEAT CANCEL S 4951 1 2 FUNCTION SW r he IEC symbol A in the parts Inificance When replacing a ratings of resistance wattage asurements must be made to I i _ 27 ...

Страница 29: ...WIRING DIAGRAM AMPLIFIER SYSCON y F y y IVOLUME p w B BAlTERY TERMINAL 1 P W B BATTERY TERMINAL 2 P W B 28 ...

Страница 30: ...I I II AMPLIFIER SYSCON P W B AC SOCKET P W B OPEN CLOSE SWITCH P W B R P SWITCH P W B POWER SUPPLY P W B 29 ...

Страница 31: ...SCHEMATIC DIAGRAM SYSCON _ _ _ _ ____ I 1 1 J E 4 i L a L 1 ...

Страница 32: ...WM d AVldSlCl ...

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