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Panasonic RX-D27E, Руководства

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Panasonic RX-D27E Скачать руководство пользователя страница 18

10. Operation Checks and Component Replacement 
Procedures

1. This section describes procedures for checking the operation of the major printed 

circuit boards and replacing the main components.

2. For reassembly after operation checks or replacement, reverse the respective 

procedures special ressembly procedures are described only when required.

3. Select item from the following index when checks or replacement are required.

Contents

- 

Disassembly Procedure for each major P.C.B.

1. Replacement of Handle.
2. Replacement of Up Cabinet ,Back Cabinet,Front Cabinet.

18

Содержание RX-D27E

Страница 1: ...TD0404025C2 Portable Stereo CD System RX D27E RX D27EG RX D27EB Traverse Deck RAE0240Z M Mechanism Series Colour S Silver Type 1 ...

Страница 2: ... No of channels 2 channel stereo Wow and flutter Less than possible measurement data D A converter 1 bit DAC GENERAL Jacks Output Phones 3 5 mm stereo 32 Power output RMS 2 0W 2 0W MAX Power Requirement AC 230 240 V 50 Hz Power Consumption 13 W Battery 9 V six R14 LR14 C UM 2 batteries Do not use rechargeable type batteries Memory back up 4 5 V three R6 LR6 AA UM 3 batteries Do not use rechargeabl...

Страница 3: ...repairs are completed restore power gradually using a variac to avoid over current Current consumption at AC 230 V 240 V 50 Hz in NO SIGNAL mode should be 45 mA respectively 2 Protection Circuitry The protection circuitry may have operated if either of the following conditions are noticed No sound is heard when the power is turned on Stops during a performance The function of this circuitry is to ...

Страница 4: ...If this occurs follow the procedure outlines below 1 Turn off the power 2 Determine the cause of the problem and correct it 3 Turn on the power once again after one minute Note When the protection circuitry functions the unit will not operate unless the power is first turned off and then on again 3 Accessories AC Main Lead EB 1 pc AC Main Lead E EG 1 pc 4 ...

Страница 5: ... Remote control transmitter 1 pc 5 ...

Страница 6: ...deck optical pickup Handling of traverse deck optical pickup 1 Do not subject the traverse deck optical pickup to static electricity as it is extremely sensitive to electrical shock 2 To prevent the breakdown of the laser diode an antistatic shorting pin is inserted into the flexible board FFC board 3 Take care not to apply excessive stress to the flexible board FFC board When removing or connecti...

Страница 7: ...et or steel sheet on the area where the traverse deck optical pickup is place and ground the sheet Caution The static electricity of your clothes will not be grounded through the wrist strap So take care not to let your clothes touch the traverse deck optical pickup on when replacing the Traverse Deck The traverse deck has a short point shorted with solder to protect the laser diode against electr...

Страница 8: ...8 ...

Страница 9: ...since radiation from exposed laser diode is dangerous 2 Do not adjust the variable resistor on the pick up unit It was already adjusted 3 Do not look at the focus lens using optical instruments 4 Recommend not to look at pick up lens for a long time ACHTUNG Dieses Produkt enthält eine Laserdiode Im enigeschalteten Zustand wird unsichtbare Laserstrahlung von der Lasereinheit abgestrahlt Wellenlänge...

Страница 10: ...ung an der freigelegten Laserdiode gefährlich ist 2 Den werkseitig justierten Einstellregler der Lasereinhit nicht verstellen 3 Nicht mit optischen Instrumenten in die Fokussierlinse blicken 4 Nicht über längere Zeit in die Fokussierlinse blicken 10 ...

Страница 11: ...6 Caution for AC Main Lead 11 ...

Страница 12: ...12 ...

Страница 13: ...13 ...

Страница 14: ...14 ...

Страница 15: ...15 ...

Страница 16: ...iagnostic mode 3 At the state of T display operate as follows Open the CD lid and close it right away Start recording TAPE and STOP it at once 4 Press CLEAR key Self diagnostic results i e the memorized errors during actual operations and the result of above mentioned operation shall be displayed alternately If there is no error the aforementioned display T shall be kept If the operation in the ab...

Страница 17: ...e REST SW ON is not detected within the specified time 5000 ms and shall be memorised 3 Transmission error between CD servo LSI and micon F26 Under normal operation Self Diagnostic Mode inclusive this error occurs when the selection is set to CD and SENSE H is detected and SENSE L is not detected within a fail safe time 20 ms after system command transmission was sent 4 Low battery detecter U01 De...

Страница 18: ...in components 2 For reassembly after operation checks or replacement reverse the respective procedures special ressembly procedures are described only when required 3 Select item from the following index when checks or replacement are required Contents Disassembly Procedure for each major P C B 1 Replacement of Handle 2 Replacement of Up Cabinet Back Cabinet Front Cabinet 18 ...

Страница 19: ...Forward Belt 6 Replacement of Traverse Deck 7 Replacement of CD Cover 8 Replacement of Cassette Cover 9 Troubleshooting for Cassette Tape Entanglement 10 Checking for Main PCB and CD Servo P C B Warning This product uses a laser diode Refer to Precaution of Laser Diode 10 1 Removal of the handle ass y 10 2 Removal of the up cabinet unit 19 ...

Страница 20: ...20 ...

Страница 21: ...21 ...

Страница 22: ...22 ...

Страница 23: ...10 3 Removal of the back cabinet and front cabinet 23 ...

Страница 24: ...24 ...

Страница 25: ...25 ...

Страница 26: ...10 4 Removal of the main P C B 26 ...

Страница 27: ...27 ...

Страница 28: ...10 5 Removal of the power transformer 28 ...

Страница 29: ...10 6 Replacement of the cassette cover 29 ...

Страница 30: ...30 ...

Страница 31: ...10 7 Removal of the sensor cover and LED P C B 31 ...

Страница 32: ...10 8 Removal of the speaker 32 ...

Страница 33: ...10 9 Removal of the rod ANT 33 ...

Страница 34: ...10 10 Removal of the LCD ass y 34 ...

Страница 35: ...10 11 Removal of the LCD holder 35 ...

Страница 36: ...10 12 Removal of the LCD P C B 36 ...

Страница 37: ...10 13 Removal of the LCD lid 37 ...

Страница 38: ...38 ...

Страница 39: ...39 ...

Страница 40: ...10 14 Removal of the up ornament 40 ...

Страница 41: ...41 ...

Страница 42: ...10 15 Removal of the mechanism ass y 42 ...

Страница 43: ...10 15 1 Replacement of Pinch Roller Eraser Head Record Play back Head Replacement of Pinch Roller Remove a catch to remove the pinch roller upward 43 ...

Страница 44: ...Notes For pinch roller installation The spring of the pinch roller should fit in the dented part of the lever 44 ...

Страница 45: ...Replacement of Record Replay Head Remove the two screws b and remove the record replay head Replacement of Erase Head Remove the two catches and remove the erase head 45 ...

Страница 46: ...10 15 2 Replacement of Motor Main Belt Forward Belt 46 ...

Страница 47: ...Step 1 Remove the connector Step 2 Remove the solders of the lead wire Step 3 Remove the screws Step 4 Remove the motor control circuit board 47 ...

Страница 48: ...Step 5 Remove the screw Step 6 Remove the motor and the motor angle Step 7 Remove the screws 48 ...

Страница 49: ...Step 8 Remove the motor angle Step 9 Remove the forward belt 10 15 2 1 Installation of Main Belt 49 ...

Страница 50: ...Step 1 Position a main belt as picture shown temporarily Step 2 Install the motor and the motor angle to the mechanism unit Step 3 Fasten with a screw 50 ...

Страница 51: ...Step 4 Hang the main belt to the motor pulley 10 16 Replacement of Traverse Deck 51 ...

Страница 52: ...52 ...

Страница 53: ...53 ...

Страница 54: ...54 ...

Страница 55: ...55 ...

Страница 56: ...10 17 Remove of the CD servo P C B 56 ...

Страница 57: ...57 ...

Страница 58: ...58 ...

Страница 59: ...59 ...

Страница 60: ...10 18 Troubleshooting for Cassette Tape Entanglement 60 ...

Страница 61: ...10 19 Check for Main P C B and CD Servo P C B 61 ...

Страница 62: ...62 ...

Страница 63: ...63 ...

Страница 64: ...64 ...

Страница 65: ...11 Type Illustration of IC s Transistors and Diodes 12 Schematic Diagram Notes 65 ...

Страница 66: ...ents identifed by mark have special characteristics important for safety Furthermore special parts which have purposes of fire retardant resistors high quality sound capacitors low noise resistors etc are used When replacing any of 66 ...

Страница 67: ...a conductive mat on the work table Ground the soldering iron Do not touch the pins of IC LSI or VLSI with fingers directly 13 Schematic Diagram 14 Printed Circuit Board Diagram 15 Wiring Connection Diagram 16 Measurements and Adjustments 16 1 Tuner Section READ CAREFULLY BEFORE ATTEMPTING ALIGNMENT 1 Set volume control to maximum 2 Set power source voltage to 9V 3 Output of signal generator should...

Страница 68: ...0kHz Headphone Jack 32 Fabricate the plug as shown in Fig 2 and then connect the lead wires of the plug to the measuring instrument T1 AM IFT Trimmer Adjust for maximum output Fashion a loop of several turns of wire and radiate signal into loop of receiver 522 kHz Point of non interference on about 600kHz Headphone Jack 32 Fabricate the plug as shown in Fig 2 and then connect the lead wires of the...

Страница 69: ...TION Please remove the screw locking bond left on the head base when replacing the azimuth screw After the adjustment apply screwlock to the azimuth adjusting screw Screw locking bond RZZ0L01 TAPE SPEED ALIGNMENT Test Tape Equipment Connection Electronic Counter Adjustment Specification Remarks ATT 111N Headphone Jack 32 Fabricate the plug as shown in Fig 2 and then connect the lead wires of the p...

Страница 70: ... Insert the Normal blank tape QZZCRA into DECK and set the unit to REC mode use REC STOP key 3 Adjust L1001 so that the output frequency is within the standard value 16 2 CD Section Alignment is unneccessary for CD section of this unit 16 2 1 Alignment Points 70 ...

Страница 71: ...nput terminal C 10 C2 I 2 ch input terminal C 11 FILTER 1 2 VCC terminal 12 GND Grounding terminal 13 SC I serial clock input terminal 14 SI I serial data input terminal 15 VCC Power supply terminal 16 OUT2 O 2 ch output terminal 17 OUT1 O 1 ch output terminal 18 BOUT1 I 1 ch bass filter setting terminal Pin No Mark I O Function 19 BNF1 I 1 ch bass filter setting terminal 20 BOUT2 I 2 ch bass filt...

Страница 72: ...terminal 16 LDON LDON terminal 17 GND Grounding terminal 18 PDOWN Power down RF add operation terminal 19 VREF O VREF output terminal 20 TE IN I TE amp input terminal 21 TE O TE amp output terminal 22 FE IN I FE amp input terminal 23 FE O FE amp output terminal 24 GCTL I O RF FE TE Gain terminal 25 FBAL I O FBAL terminal 26 TBAL I O TBAL terminal 27 PDE I Tracking signal input terminal 1 28 PDF I ...

Страница 73: ... forward outtput terminal 12 D2 O Motor driver 2 reverse outtput terminal 13 D2 O Motor driver 2 forward outtput terminal 14 D3 O Motor driver 3 reverse outtput terminal 15 D3 O Motor driver 3 forward outtput terminal 16 D4 O Motor driver 4 reverse outtput terminal 17 D4 O Motor driver 4 forward outtput terminal 18 NC NO Connection 19 PGND2 Driver GND terminal 1 20 PVCC2 Driver VCC terminal 2 21 V...

Страница 74: ... IC801 MN101C54ATA 74 ...

Страница 75: ...ntrol data out 31 STAT I O CD status input 32 MCLK O CD signal processor control clock out 33 MLD O CD signal processor control load out 34 NOT USE O Unused connect to GND Pin No Mark I O Function 35 NOT USE O Unused connect to GND 36 REST SW I CD reset switch input 37 CD REST I O CD rest control 38 CLOSE SW I CD close open detect 39 REM_CONT I O Remote control output L 40 REC H I Tape REC H 41 TA...

Страница 76: ...use only manufactures specified parts shown in the parts list 1 M Indicates parts that are supplied PAVCSG 2 The reference number SA represent the grease tool usea for unit 3 The marking RTL indicates that Retention Time is Limited for this item After the discontinuation of this assembly in production the item will continue to be available for a specific period of time The retention period of avai...

Страница 77: ...RUM0009 RECORD SAFETY LEVER M 149 RUE0002 RP HEAD M 150 RUE0003 E HEAD M 151 RVB0002 MOTOR M 152 RUP0001 SCREW M 153 RUP0002 SCREW M Ref No Part No Part Name Description Remarks 154 RUP0003 SCREW M 155 RUP0004 SCREW M 156 RUP0005 SCREW M 157 RUP0006 SCREW M 158 RUP0007 SCREW M 159 RUP0008 SCREW M 160 RUH0001 P WASHER M 161 RUH0002 P WASHER M 162 RUH0003 P WASHER M 163 RUH0004 P WASHER M 164 RUZ000...

Страница 78: ...OX Silver M P1 E RPGT1245 GIFT BOX Black M Ref No Part No Part Name Description Remarks P2 RPNT0468 POLYFOAM M MECHANISM MEC1 RAA4601 Z DECK MECHANISM ASS Y M P C B ASS Y PCB1 REPT0014D CD PCB UNIT M PCB2 REPT0012D SUB PCB UNIT M PCB3 REPT0013D MAIN PCB UNIT M INTEGRATED CIRCUITS TRANSISTORS AND DIODES IC1 C1BB00000846 TUNER IC M IC1001 BA3313L PRE AMP IC M IC301 C0AAAA000035 POWER IC M IC302 C1BB...

Страница 79: ...ECTOR M CP903 RJP4G4YA CONNECTOR M CS701 RJS2A5617 CD CONNECT M CS801 RJS2A5628 CONNECTOR M Ref No Part No Part Name Description Remarks CS802 RJS6T5ZA SESOR CONNECT M CN1004 RJP4G17ZA CONNECTOR M TRIMMER CAPACITOR CT1 ECRLA010A53R TRIMMER CAPACITOR M FUSE PROTECTOR FP301 K5G122AA0002 FUSE PROTECTOR M FP302 K5G122AA0002 FUSE PROTECTOR M F901 K5D122BK0004 FUSE M FP902 K5G122AA0002 FUSE PROTECTOR M ...

Страница 80: ...STOR M R216 ERDS2TJ332T CARBON FILM RESISTOR M Ref No Part No Part Name Description Remarks R217 ERDS2TJ332T CARBON FILM RESISTOR M R218 ERDS2TJ181T CARBON FILM RESISTOR M R301 ERDS2TJ223T CARBON FILM RESISTOR M R302 ERDS2TJ223T CARBON FILM RESISTOR M R303 ERDS2TJ223T CARBON FILM RESISTOR M R304 ERDS2TJ223T CARBON FILM RESISTOR M R306 ERDS2TJ102T CARBON FILM RESISTOR M R307 ERDS2TJ102T CARBON FILM...

Страница 81: ...11 ERJ3GEYJ334V CHIP RESISTOR M R813 ERDS2TJ472T CARBON FILM RESISTOR M Ref No Part No Part Name Description Remarks R817 ERDS2TJ104T CARBON FILM RESISTOR M R818 ERDS2TJ102T RESISTOR M R819 ERDS2TJ102T RESISTOR M R820 ERDS2TJ102T RESISTOR M R821 ERDS2TJ102T RESISTOR M R822 ERDS2TJ153T CARBON FILM RESISTOR M R823 ERDS2TJ472T CARBON FILM RESISTOR M R830 ERDS2TJ822T CARBON FILM RESISTOR M R831 ERDS2T...

Страница 82: ...KB5 CERAMIC CAPACITOR M C108 ECBT1H102KB5 CERAMIC CAPACITOR M Ref No Part No Part Name Description Remarks C109 ECA1HMR47BV E CAP M C110 ECUV1C473KBV CHIP CAP M C111 ECA1HMR47BV E CAP M C112 ECUV1H102KBV CHIP CAP M C113 ECUV1H473KBV CHIP CAP M C114 ECA1HMR22BV ELECTROLYTIC CAPACITOR M C115 ECBT1H471KB5 CERAMIC CAPACITOR M C116 ECA1AM471B ELECTROLYTIC CAP M C117 ECUV1H332KBV CHIP CAPACITOR M C120 E...

Страница 83: ...CHIP CAP M C777 ECUV1H821KBV CHIP CAP M C786 ECUV1H221KBV CHIP CAP M C787 ECUV1H221KBV CHIP CAP M C788 ECUV1H221KBV CHIP CAP M C801 ECA0JM101BV ELECTROLYTIC CAPACITOR M C803 ECUV1H102KBV CHIP CAP M Ref No Part No Part Name Description Remarks C804 ECBT1H102KB5 CERAMIC CAPACITOR M C805 ECUV1H103KBV CHIP CAPACITOR M C806 ECUV1H102KBV CHIP CAP M C807 ECUV1H560JCV CHIP CAP M C808 ECUV1H680JCV CHIP CAP...

Страница 84: ...Printed in Taiwan T0404 TSAI 1 2004 Matsushita Electric TAIWAN Industrial Co Ltd All rights reserved Unauthorized copying and distribution is a violation of law 84 ...

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