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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;...
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.
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).
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.
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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.
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 ·...
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.
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.
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.
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).
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.
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...
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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...
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)
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...
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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...
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.
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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)