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Panasonic SL-SX445EG Manual

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AD0504041AE
Portable CD Player
SL-SX445EG
Colour
(S)...........Silver Type
Please use this manual together with the service manual for Model
No. SL-SX450EB Order No.AD0502006C8.
1
PDF created with pdfFactory Pro trial version
www.pdffactory.com

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Summary of Contents for Panasonic SL-SX445EG

  • Page 1 AD0504041AE Portable CD Player SL-SX445EG Colour (S)...Silver Type Please use this manual together with the service manual for Model No. SL-SX450EB Order No.AD0502006C8. PDF created with pdfFactory Pro trial version www.pdffactory.com...
  • Page 2 SPECIFICATIONS Specification Audio (CD-DA) Sampling frequency: 44.1 kHz No. of channels: 2 (left and right, stereo) Frequency response: 20 to 20,000 Hz / (+0.5dB to - 7dB) Headphone output level: RMS max. 6mW+6mW/ 16 (adjustable) Pickup Light source: Semiconductor laser Wavelength: 780 nm Supported bit-rates (Supports...
  • Page 3 Using on a flat stable surface at 25°C, EQ is off, Hold is on, Anti- skip is on POS 1 (CD-DA), recommended bit rate (MP3: 128 kbps), and the Digital Re-master is off (MP3).Play time are inhoursand approximate. Batteries used: 2 optional alkaline batteries;...
  • Page 4 - This simplified service manual is provided to indicate the differences between the original model No. SL-SX450EB and the subsequent model No. SL-SX445EG. 2. Replacement Parts List Note: - Important safety notice: Components identified by mark have special characteristics important for safety.
  • Page 5 K0504YH/HM PDF created with pdfFactory Pro trial version www.pdffactory.com...
  • Page 6 ORDER No.AD0502006C8 Portable CD Player SL-SX450EB SL-SX450EE SL-SX450EG SL-SX450GC SL-SX450GN Colours (S)....Silver Type (A)....Blue Type (Only SL-SX450EE) Specification Audio (CD-DA) General Sampling frequency: 44.1 kHz Power supply: No. of channels: 2 (left and right, stereo) DC input; DC 4.5V Frequency response: 20 to 20,000 Hz AC adaptor input;...

  • Page 7: Table Of Contents

    SL-SX450EB / SL-SX450EE / SL-SX450EG / SL-SX450GC / SL-SX450GN 2 optional alkaline batteries; MP3 disc..85h Note: CD-DA disc..50h Specifications are subject to change without notice. 2 optional rechargeable batteries; MP3 disc..40h Mss and dimensions are approximate. CD-DA disc..23h Recharging time: 4 to 5 hours Note on CD-R and CD-RW: ·...

  • Page 8: Accessories

    SL-SX450EB / SL-SX450EE / SL-SX450EG / SL-SX450GC / SL-SX450GN radiation exposure. CAUTION: This product utilizes a liser diode with the unit turned “on”, invisible laser radiation is emitted from the pickup lens. Wave length: 780nm Maximum output wadiation power from pickup: 100 µW/VDE Laserradiationfromthepickup lens is safety level, but be sure the followings: 1.

  • Page 9: Handling Precautions For Traverse Deck

    SL-SX450EB / SL-SX450EE / SL-SX450EG / SL-SX450GC / SL-SX450GN 3 Handling Precautions for Traverse Deck The laser diode in the traverse deck (optical pickup) may break So, be careful of electrostatic breakdown during repair of the down due to potential difference caused by static electricity of traverse deck (optical pickup).
  • Page 10 SL-SX450EB / SL-SX450EE / SL-SX450EG / SL-SX450GC / SL-SX450GN Fig. 3...

  • Page 11: Operation Checks And Component Replacement Procedures

    SL-SX450EB / SL-SX450EE / SL-SX450EG / SL-SX450GC / SL-SX450GN 4 Operation Checks and Component Replacement Procedures · This section describes procedures for checking the operation of the major printed circuit boards and replacing the main components. · For reassembly after operation checks or replacement, reverse the respective procedures.
  • Page 12 SL-SX450EB / SL-SX450EE / SL-SX450EG / SL-SX450GC / SL-SX450GN · Check the P.C.B. ass’y (A side) as shown below. 4.1.2. Checking for the P.C.B. ass’y · Check the P.C.B. ass’y (B side) as shown below. (B side) · Follow the (Step1)-(Step5) of item 4.1.1.

  • Page 13: Replacement For The Cd Lid Unit

    SL-SX450EB / SL-SX450EE / SL-SX450EG / SL-SX450GC / SL-SX450GN 4.2. Replacement for the CD lid unit · Follow the (Step1)-(Step3) of item 4.1.1.

  • Page 14: Replacement For The Lcd, Button L, Button R And Multi Button Sw Unit

    SL-SX450EB / SL-SX450EE / SL-SX450EG / SL-SX450GC / SL-SX450GN 4.3. Replacement for the LCD, button L, button R and multi button SW unit · Follow the (Step1)-(Step3) of item 4.1.1. · Follow the (Step1)-(Step5) of item 4.2. 4.4. Replacement for the spring holder and open spring ·...

  • Page 15: Replacement For The Traverse Motor

    SL-SX450EB / SL-SX450EE / SL-SX450EG / SL-SX450GC / SL-SX450GN 4.5. Replacement for the traverse motor · Follow the (Step1)-(Step3) of item 4.1.1. NOTE: Be sure to confirm the item 3 “Handling Precautions for Traverse Deck” before removing the traverse deck unit. 4.6.
  • Page 16 SL-SX450EB / SL-SX450EE / SL-SX450EG / SL-SX450GC / SL-SX450GN...

  • Page 17: Replacement For The Rest Switch

    SL-SX450EB / SL-SX450EE / SL-SX450EG / SL-SX450GC / SL-SX450GN 4.7. Replacement for the rest switch · Follow the (Step1)-(Step3) of item 4.1.1. · Follow the (Step1), (Step2) of item 4.5.

  • Page 18: Checking The Operation Problems On The Traverse Deck (Optical Pickup)

    SL-SX450EB / SL-SX450EE / SL-SX450EG / SL-SX450GC / SL-SX450GN 5 Checking the Operation Problems on the Traverse Deck (Optical Pickup) Make sure to follow the procedures below to check the operation problems of the traverse deck (optical pickup) before replacing Replace the traverse deck only after the problem is identified.

  • Page 19: Automatic Adjustment Results Display Function (Self-Check Function)

    SL-SX450EB / SL-SX450EE / SL-SX450EG / SL-SX450GC / SL-SX450GN 6 Automatic Adjustment Results Display Function (Self- check Function) On this units, each automatic adjustment results are displayed on the LCD. This function is convenient to check or identify which automatic adjustment circuit is incorrect. The followings are thecontentsof the automaticadjustmentresultdisplays (self-check function).

  • Page 20: Display Of Self-Diagnostic Function

    SL-SX450EB / SL-SX450EE / SL-SX450EG / SL-SX450GC / SL-SX450GN (check the waveform or voltage.) exchanging the traverse deck. Note: Note: It is not always necessary to exchange the traverse deck If any other disc than the test disc (SZZP1054C) is used, an when an error message is displayed.

  • Page 21: Schematic Diagram Notes

    SL-SX450EB / SL-SX450EE / SL-SX450EG / SL-SX450GC / SL-SX450GN 9 Schematic Diagram Notes Note: S201: Laser ON/OFF switch in “ON” position. (It turns “ON” with CD Lid.) S202: Rest switch in “OFF” position. (It turns “ON” when optical pickup comes to innermost periphery.) S310: Hold (HOLD) switch in “OFF”...

  • Page 22: Schematic Diagram

    SL-SX450EB / SL-SX450EE / SL-SX450EG / SL-SX450GC / SL-SX450GN 10 Schematic Diagram :POSITIVE VOLTAGE LINE :PLAYBACK SIGNAL LINE OPERATION & LCD UNIT LCD801(L5ACAEC00027) LCD DISPLAY R828 R827 R826 R825 R824 R823 8.2K 6.8K 8.2K 6.8K R822 A B C D E F G H I J K L M N O P Q R T U V W R821...
  • Page 23 SL-SX450EB / SL-SX450EE / SL-SX450EG / SL-SX450GC / SL-SX450GN :POSITIVE VOLTAGE LINE :PLAYBACK SIGNAL LINE 2.7V 1.5V 3.2V 36 35 34 33 32 31 30 29 28 27 26 25 1.7V 0V (0.2V) SOFT SPRT C513 2.7V RESET1 RESET2 IC11 OFF/START TRV- C0DBFFB00004...
  • Page 24 SL-SX450EB / SL-SX450EE / SL-SX450EG / SL-SX450GC / SL-SX450GN :POSITIVE VOLTAGE LINE :PLAYBACK SIGNAL LINE 2.7V MA2J11100L UNR521500L DC IN DET. (BATTERIES) ICP11 ERBSE1R50U CN11 2.9V 2 R6/LR6(UM-3) B1BDND000001 BATTERIES REGULATOR 2.9V 5.3V UNR521L00L DC IN DET. (AC ADAPTOR) JK11 DC IN 4.5V 2.7V...
  • Page 25 SL-SX450EB / SL-SX450EE / SL-SX450EG / SL-SX450GC / SL-SX450GN...

  • Page 26: Printed Circuit Board And Wiring Connection Diagram

    SL-SX450EB / SL-SX450EE / SL-SX450EG / SL-SX450GC / SL-SX450GN 11 Printed Circuit Board and Wiring Connection Diagram Note: This printed circuit board diagram may be modified at any time with the development of new technology. (SIDE : B) (SIDE : A) OPTICAL PICK-UP R122 R120...
  • Page 27 SL-SX450EB / SL-SX450EE / SL-SX450EG / SL-SX450GC / SL-SX450GN...

  • Page 28: Block Diagram

    SL-SX450EB / SL-SX450EE / SL-SX450EG / SL-SX450GC / SL-SX450GN 12 Block Diagram AN22003A-NF VREF IC101 C0CBAAC00159 SERVO AMP IC651 MN6627935CM OPTICAL PICK-UP IC501 REGULATOR SERVO PROCESSOR / DIGITAL SIGNAL PROCESSOR DIGITAL FILTER & D/A CONVERTER 3TOUT RFENV 3TENV OFTR OFTR OFTR +B3 +B5 Q201...
  • Page 29 SL-SX450EB / SL-SX450EE / SL-SX450EG / SL-SX450GC / SL-SX450GN HEADPHONE DC IN 4.5V DC IN DET. Q704 MUTING Q901,902,905 REGULATOR MUTING CONT. ICP11 RESET RESET LCD801 Q301 LCD DISPLAY RESET 2 R6/LR6(UM-3) BATTERIES C3EBCG000096 Q12~14 IC302 Q502 CHARGE EE PROM CONT.

  • Page 30: Terminal Function Of Ics

    SL-SX450EB / SL-SX450EE / SL-SX450EG / SL-SX450GC / SL-SX450GN 13 Terminal Function of ICs 13.1. IC101(AN22003A-NF): Terminal Function Name Servo Amplifier MCLK/SK Serial command clock / EEPROM clock output Terminal Function 19 MDATA/DI Serial command data output / EEPROM Name data output APC amplifier input terminal STAT...
  • Page 31 SL-SX450EB / SL-SX450EE / SL-SX450EG / SL-SX450GC / SL-SX450GN Terminal Function Terminal Function Name Name Not used, open MDATA Serial command data input Serial command latch input DRAM address signal output STAT Status signal output terminal BLOCK Sub-code block clock signal output LDQM Low byte data mask signal output SMCK...

  • Page 32: Replacement Parts List

    SL-SX450EB / SL-SX450EE / SL-SX450EG / SL-SX450GC / SL-SX450GN 14 Replacement Parts List Notes: Ref. Part No. Part Name & Remarks Description *Important safety notice: RMA1775-1 SPRING HOLDER Components identified mark have special RMR1700-H LID COVER (EB)(EES)(EG) (GC)(GN) characteristics important for safety. RMR1700-A LID COVER (EEA)
  • Page 33 SL-SX450EB / SL-SX450EE / SL-SX450EG / SL-SX450GC / SL-SX450GN Ref. Part No. Part Name & Remarks Ref. Part No. Part Name & Remarks Description Description C201 F3F0G226A001 4V 22U RPN1696 TRAY 2 (EB) C301 ECUV1A105ZFV 10V 1U RPQ1934 (EEA)(EES) (EG)(GN) C302 ECUV1A105ZFV 10V 1U...
  • Page 34 SL-SX450EB / SL-SX450EE / SL-SX450EG / SL-SX450GC / SL-SX450GN Ref. Part No. Part Name & Remarks Description R503 ERJ3GEYJ224V 1/10W 220K R504 ERJ3GEYJ473V 1/10W 47K R505 ERJ3GEYJ561V 1/10W 560 R507 ERJ3GEYJ471V 1/10W 470 R508 ERJ3GEYJ102V 1/10W 1K R511 EXBV8V222JV 1/16W 2.2K R514 ERJ3GEYJ331V 1/10W 330...

  • Page 35: Cabinet Parts Location

    SL-SX450EB / SL-SX450EE / SL-SX450EG / SL-SX450GC / SL-SX450GN 15 Cabinet Parts Location...

  • Page 36: Traverse Parts Location

    SL-SX450EB / SL-SX450EE / SL-SX450EG / SL-SX450GC / SL-SX450GN 16 Traverse Parts Location...

  • Page 37: Packaging

    SL-SX450EB / SL-SX450EE / SL-SX450EG / SL-SX450GC / SL-SX450GN 17 Packaging 17.1. SL-SX450EB...

  • Page 38: Sx450Ee/Eg/Gn

    SL-SX450EB / SL-SX450EE / SL-SX450EG / SL-SX450GC / SL-SX450GN 17.2. SL-SX450EE/EG/GN...

  • Page 39: Sx450Gc

    SL-SX450EB / SL-SX450EE / SL-SX450EG / SL-SX450GC / SL-SX450GN 17.3. SL-SX450GC...
  • Page 40 SL-SX450EB / SL-SX450EE / SL-SX450EG / SL-SX450GC / SL-SX450GN < K0502 YH/HM...

This manual is also suitable for:

Sl-sx450ebSl-sx450eeSl-sx450egSl-sx450gcSl-sx450gn

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