2 optional alkaline batteries; MP3 disc....85hCD-DA disc....50h2 optional rechargeable batteries; MP3 disc....40hCD-DA disc....23hRecharging time: 4 to 5 hours· The play time may be less depending on the operating conditions.· Play time will be considerably reduced when playing CD-RW.Operational temperature range: 0°C-40°CRechargeable temperature range: 5°C-40°CDimensions (WxHxD): 135x23.8x135mmMass: 202g (with batteries)158g (without batteries)1 Precaution of Laser Diode 22 Accessories 33 Handling Precautions for Traverse Deck 43.1. Handling the traverse deck (optical pickup) 43.2. Caution when replacing traverse deck 43.3. Grounding for electrostatic breakdown prevention 44 Operation Checks and Component Replacement Procedures 64.1. Checking for the P.C.B. ass 64.2. Replacement for the CD lid unit 84.3. Replacement for the LCD, button L, button R and multibutton SW unit 94.4. Replacement for the spring holder and open spring 94.5. Replacement for the traverse motor 104.6. Replacement for the optical pick-up 104.7. Replacement for the rest switch 125 Checking the Operation Problems on the Traverse Deck(Optical Pickup) 136 Automatic Adjustment Results Display Function (Self-checkFunction) 146.1. How to display automatic adjustment results 14Note:Specifications are subject to change without notice.Mss and dimensions are approximate.Note on CD-R and CD-RW:This unit can play CD-R and CD-RW recorded with CD-DA or MP3.Use an audio recording disc for CD-DA and finalize* it when youfinish recording. The unit may not be able to play some discsduetothecondition of the recording.*A process performed after recording that enables CD-R/CD-RWplayers to play audio CD-R and CD-RW.6.2. Display of automatic adjustment results (self-checkfunction) 147 Display of Self-Diagnostic Function 158 Type Illustration of IC s, Transistors and Diodes 159 Schematic Diagram Notes 1610 Schematic Diagram 1711 Printed Circuit Board and Wiring Connection Diagram 2112 Block Diagram 2313 Terminal Function of ICs 2513.1. IC101(AN22003A-NF): Servo Amplifier 2513.2. IC301(C2BBGE000792): System Control / LCD Drive 2513.3. IC501(MN6627935CM):Servo Processor/ Digital SignalProcessor/ Digital Filter & D/A Converter 2514 Replacement Parts List 2715 Cabinet Parts Location 3016 Traverse Parts Location 3117 Packaging 3217.1. SL-SX450EB 3217.2. SL-SX450EE/EG/GN 3317.3. SL-SX450GC 34<CONTENTS Page Page1 Precaution of Laser DiodeCAUTION:This unit utilizes a class 1 laser. Invisible laser radiation is emitted from the pickup lens when the unit is turned on:1. Do not look directly into the pickup lens.2. Do not use optical instruments to look at the pickup lens.3. Do not adjust the preset variable resistor on the optical pickup.4. Do not disassemble the optical pickup unit.5. If the optical pickup is replaced, use the manufactures specified replacement pickup only.6. Use of control or adjustments or performance of procedures other than those specified herin may result in hazardous2SL-SX450EB / SL-SX450EE / SL-SX450EG / SL-SX450GC / SL-SX450GN