Panasonic RX-DT30 Скачать руководство пользователя страница 26 | Manualshive

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R X - D T 3 0

l

(Al’

Focus Co

Tracking Coil Traverse Motor Spindle Motor

7 N R E S E T

Function

Power supply terminal

I Referencevoltage input

I

Motor driver

(4) input

I

Motor driver (3) input

Groundconnection

Groundconnection

I Resetinput

Groundconnection

I

Motor driver (2) input

I

PC2 (power cut) input

I

I

PC1 (powercut) input (Not used, open)

n

Alignment Points

CD PLAYER SECTION

0

Fig.1

Fig. 2

und connection (2) for driver

SERVO
P.C.B.

Mechanical adjustment screws

Allen wrench

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Содержание RX-DT30

Страница 1: ...eo Less than possible measurement data MASH 1 bit DAC Panasonic K Black Type 1 n Tape Recorder Track system Recording system Erasing system Monitor system Frequency range Normal n General 4 track 2 channel stereo AC bias Multi pole magnet Variablesoundmonitor 50 14000 Hz Power requirement AC 120V 60Hz Power consumption 30W Battery 12 V 8 D size R20 LR20 batteries Speakers 10 cm 4 x 2 Jacks Output ...

Страница 2: ...dure 1 2 Pull out the handle _ m _ Handle __ Ref No 3 Procedure 2 3 Removal of the Top Cabinet Unit 1 Press the CD eject button 2 Remove 5 screw 0 Q 3 Remove the Top Cabinet Unit CD Eject Button Ref No 4 Procedure 2 31 4 1 Removal of the Control P C B I Removal of the Front Cabinet 1 1 Remove the battery cover 2 Remove 8 screws 0 _ Front Cabinet 3 Press the 2 eject buttons 4 Release 1 claw 5 Remov...

Страница 3: ..._ Ref No 7 Removal of the Traverse Unit FFC Cable Traverse Unit I CN702 Remove 4 screws 0 0 Remove FFC cable from the connector CN702 Control P C B CN1 CN305 R I CN304 CN801 Connector P C B Mechanism Unit 1 Remove 2 connectors CP301 CP602 2 Remove 6 screws Removal of the Main P C B Ref No CP306 Main P C B 1 Remove 2 screws 8 2 Remove 1 connector CP306 3 Pull out the main P C B in the direction of ...

Страница 4: ...w 5 Pull out the CD cover Ref No 13 i Removal of the Speakers I Procedure 1 2413 1 1 Remove 8 screws 0 2 Cut black bond at wire dressing point before removal of the speakers 2 Bond Speaker Speaker Ref No 10 Procedure 21 9 10 7 Removal of the Battery I I 1 Release 1 claw 2 Pull out the battery P C B P C B Ref No 12 Procedure 21 31 12 Removal of the Disc Clamp Unit CD Cover 1 Press the CD eject butt...

Страница 5: ...t the flexrble cable in the directron of the arrowa Note Insert a short pin into the flexible cable for traverse unit Ref No 1 16 Removal of the Traverse Deck Ass y Procedure 1 21 31 7 151 16 1 Widen 2 bosses by using a flat tip screwdriver and remove 2 pins 2 Remove the Traverse Deck Ass y in direction of arrow follow by 2 Traverse Deck Ass y CD Open Spring 2 1 Install the CD open spring as shown...

Страница 6: ...e optical pickup toward the outer edge from the mark A Otherwise the rest switch S701 mounted on the servo P C B may be damaged 2 Connect the flexible cable to the connector CN701 3 Install the servo P C B in the traverse deck ass y with the 3 screws 0 I 4 Solder the 2 terminals of the traverse motor and the 2 terminals of the spindle motor Note Connect the flexible cable to the connector CN701 fi...

Страница 7: ...averse unit as shown in diagram 4 Install the compact disc and disc clamp unit Note Before perform checking make sure the switch SW401 is switched to ON position as shown in diagram n WHAT TO DO WHEN THE TAPE IS ENTANGLED When the tape is caught in the pitch roller etc Release the tape by turning the pulley on the motor with the screwdriver in the direction of arrow lO ...

Страница 8: ...1684QTA 2SC1684RTA 2SC1684STA MA4056N MTA AN7317 AN8389SE1 M38222M2051 MN66271 RA pmiq pFq 2SC2785FTA 2SJ40CDTA BN1A4MTA RVDMTZ5RGBTA RVDMTZ6R8BTA 4 _ I DG S RL203M11 RVD1 SS1 33TA SLB55VRTE7 Ca Cathode q i A 4 7 AN8802SCE1 V 132 PST600DTA 2SB709S BA1442A 2SC 1740SRTA RVTDTC114EST ll ...

Страница 9: ...RX DT30 n Schematic Diagram 13 A SERVO CIRCUIT ZY z lC701 AN8802SCE1 V SERVO AMP ...

Страница 10: ...P2 r _ _ _ _ _ _ _ _ _ _ _ RX DT ...

Страница 11: ...ematic Diagram 2SC1684RTA WXHING HIGH SPEED a101 0102 0201 0202 st OCDTA JO1 1 il D E C K 2 1 11 R CH R E C P t A Y EL C H Kz 307 AN731 7 REC PLAY AMP 6 Q 2 0 4 RIO I K tzl cto K68oP J I 0305 2SC1740SRTA BEN PROcf 14 ...

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Страница 16: ...ccordingly there may arise some error in voltage values and waveforms depending upon the internal impedance of the tester or the measuring unit CAUTION FOR CONTINUED PROTECTION AGAINST FIRE HAZARD REPLACE ONLY WITH SAME TYPE 3 A 125V FUSE No mark Tape Playback CD FM AM CAUTION IC and LSI are sensitive to static electricity Secondary trouble can be prevented by taking care during repair l Cover the...

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Страница 23: ... PMCK 0 1 192 divided clock signal of crystal oscillating fPMCK 88 2kHz Not used open 21 TRV 0 Traverse servo control output 22 TVD 0 Traverse drive signal output 23 PC 0 Spindle motor ON signal output L ON 24 ECM 0 Spindle motordrive signal output forced mode output _ Spindle motordrive signal output 25 ECS 26 KICK 27 TRD 0 servo error signal output 0 Kick pulse output 0 Tracking drive output I I...

Страница 24: ...ark l O Function No 1 PDAD I PDA channel signal input with delay 2 PDA I PDA channel signal input without delay 3 LPD I Laser PD connection 4 LD 0 Power supply for LD driving RF amplifier output Not used open Capacitor connection for RF detection 11 CEA I Capacitor connection for HPF amplifier 12 GND Groundconnection 13 LDON I ON OFF input of LD APC H ON I OFF 14 TES I Tracking error shunt signal ...

Страница 25: ...t 23 CD CLOSE I CD close detect switch signal input 24 CDON I CD detect signal input 25 GND 26 RESET SW I Reset SW S701 signal input 27 RST I System reset signal input 28 XC IN GND 29 XCOUT GND 30 XIN I Clock input 31 XOUT 0 Clock output 41 MCLK 0 CD signal process IC control signal outpu 42 MDATA 0 CD signal process IC data output 43 MLD 0 CD signal process IC strove signal output 44 Not used 46 ...

Страница 26: ...or driver 4 input I Motor driver 3 input Groundconnection Groundconnection I Resetinput Groundconnection I Motor driver 2 input I PC2 power cut input I Motordriver l input I PC1 powercut input Not used open n Alignment Points CD PLAYER SECTION 0 0 0 0 IC702 W F 4 Fig 1 Fig 2 und connection 2 for driver SERVO P C B Mechanical adjustment screws Allen wrench szzP1101c 29 ...

Страница 27: ...or II II fully closed L4 AM OSC Coil Adjust for maximum output II 1753 kHz Tuningcapacitor fully opened CT1 4 AM OSCTrimmer Adjust for maximum output 600 kHz Tune to signal I LS AM ANT Coil Adjust for maximum output Adjust L3 by moving coil bobbin along ferrite core II 1500 kHz I I Fix antenna coil with wax after completing alignment CT1 3 AM ANT Trimmer Adjust for maximum output l FM IF ALIGNMENT...

Страница 28: ...one before the high speed adjustment n CASSETTE DECK SECTION l ALIGNMENT INSTRUCTION READ CAREFULLY BEFORE Al TEMPTING ALIGNMENT Note No Azimuth Head Alignment is required due to Aztec Head is used in the cassette mechanism UNIT I I Speaker terminal LCH C R CHc Digital frequency counter Adjusment Target 3000 50 Hz Normal speed Deck 2 Adjusment Target Deck 2 50 Hz Normal speed Deck 1 Adjusment Targ...

Страница 29: ...00mV SWEEP 0 5ps Input coupling AC 2 Switch the player power ON and play track 19 on the test disc SZZ1056C Playing any other track will prevent the HEX screws from being accessed 3 Leave the player in play mode 4 Alternately adjust the HEX screws with the 2 0mm allen wrench SZZPl 101 C until the vertical fluctuation of RF signal is minimized and the eye pattern is most stretched Refer to Fig 2 on...

Страница 30: ...ence of automatic adjustments 9 Flow chart on automatic adjustment sequence t Focus offset adjustment Tracking offset adjustment t Temporary adjustment of focus gain Approx 2 sec c Spindle motor starts rotation l Because the microcomputer precisely performs the automaticadjustmentsasshownin theflowchart itwill take approx 5 seconds to finish reading TOC data if a used disc is ecentric or the surfa...

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Страница 32: ...D BASE I IMl I 253 XTN2 12F 254 RXROO04 SCREW TAKE UP REEL ASS Y Ml Ml 1 207 1RDGOO59 1 FF RELAY GEAR I Ml I I 255 I RXROOO5 I SUPPLY REEL ASS Y I lM1 I I 208 1RDKOOOS I CAM GEAR I IMl I 256 XTN2 6J SCREW 257 XTW26 6L SCREW 1 209 1 RDVOOO6 I 1 R F B E L T or Mj 1 1 210 1 RHW16009 CAPSTAN WASHER I Ml 258 RMEOO98 2 SPRING WI 211 RMA0109 BACK PLATE WI 212 RMBOtl43 1 ROD OPERATION SPRING WI 1 213 1 RM...

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Страница 38: ...esistors high quality sound capacitors low noise resistors etc are used When replacing any of these components be sure to use only manufacturer s specified parts shown in the parts list The parenthesized indications in the Remarks columns specify the areas Refer to the cover page for area Parts without these indications can be used for all areas M Indicates in theRemarks columns indicates parts su...

Страница 39: ...Q21405R SW804 EVQ21405R SW805 EVQ2 1405R SW CD REV SKIP SW CD FWD SKIP SW REPEAT SW806 1 EVQ21405R SW PLAY PAUSE 1 I SW807 1 EVQ21405R j SW STOP CLEAR I I CONNECTORS CNl RJSlA5205 CONNECTOR 5P Ml CN303 RJSlA5212 CN304 RJSlA5208 CONNECTOR 12P CONNECTOR 8P IMI Ml CN305 1 RJSlA5210 1 CONNECTOR 1OP I Ml 1 CN801 RJSlA5210 CP301 RJPl2G18ZA CP306 RJP3GYYA CONNECTOR 1 OP CONNECTOR 12P CONNECTOR 3P IMJ CP3...

Страница 40: ... low RJ707 ERJIGEYOROOA 0 l low RJ708 ERJIGEYOROOA 0 l low RJ709 ERJ8GEYOROOA 0 l low R J 7 1 4 ERJ8GEYOROOA 0 l low R J 7 1 5 ERJ8GEYOROOA 0 l low ____ ______ _ R J 7 1 6 ERJ8GEYOROOA 0 l low RJ717 ERJSGEYOROOA 0 l low R J 7 2 1 ERJ6GEYOROOA 0 l low R J 7 2 4 ERJ6GEYOROOA 0 l low R J 7 2 5 ERJ6GEYOROOA 0 l low R J 7 2 6 ERJ6GEYOROOA 0 l low R J 7 9 9 ERJ6GEYOROOA 0 l low TEsr JUMPERS TJ701 EYIBCU...

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