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    sharp_xlmp100h.pdf

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    sharp_xlmp100h.pdf

    SERVICE MANUAL XL-MP100H No. S5431XLMP100H MICRO COMPONENT SYSTEM XL-MP100HMODEL SHARP CORPORATIONSHARP CORPORATION CONTENTS This document has been published to be used for after sales service only. The contents are subject to change without notice. CHAPTER 1. GENERAL DESCRIPTION 1 SAFETY PRECAUTION FOR SERVICE MANUAL. .1-1 2 IMPORTANT SERVICE NOTES (FOR U.K. ONLY) . .1-1 3 SPECIFICATIONS . .1-2 4 NAMES OF PARTS. .1-3 CHAPTER 2. ADJUSTMENTS 1 ADJUSTMENT. .2-1 2 TEST MODE. .2-2 CHAPTER 3. MECHANICAL DESCRIPTION 1 REMOVING AND REINSTALLING THE MAIN PARTS . .3-1 2 DISASSEMBLY. .3-3 CHAPTER 4. DIAGRAMS 1 BLOCK DIAGRAM. .4-1 CHAPTER 5. CIRCUIT DESCRIPTION 1 WAVEFORMS OF CD CIRCUIT. .5-1 2 VOLTAGE. .5-2 CHAPTER 6. CIRCUIT SCHEMATICS AND PARTS LAYOUT 1 NOTES ON SCHEMATIC DIAGRAM.6-1 2 TYPES OF TRANSISTOR AND LED.6-1 3 WIRING SIDE OF PWB/SCHEMATIC DIA- GRAM.6-2 CHAPTER 7. CD CLEANER 1 When the CD does not function.7-1 CHAPTER 8. OTHERS 1 FUNCTION TABLE OF IC .8-1 2 LCD DISPLAY .8-12 Parts Guide XL-MP100H Micro Component System consisting of XL- MP100H (main unit) and CP-MP100H (speaker system). In the interests of user-safety the set should be restored to its original condition and only parts identical to those specified be used. Note for users in U.K. Recording and playback of any material may require consent which SHARP is unable to give. Please refer particularly to the provisions of Copyright Act 1956, the Dramatic and Musical Performers Protection Act 1956, the Performers Protection Acts 1963 and 1972 and to any subsequent statutory enactments and orders. (Except for U.K.) XL-MP100H 1 1 AudioXL-MP100HService ManualXLMP100HMarketE CHAPTER 1. GENERAL DESCRIPTION 1 SAFETY PRECAUTION FOR SERVICE MANUAL Precaution to be taken when replacing and servicing the Laser Pickup. The AEL (Accessible Emission Level) of Laser Power Output for this model is specified to be lower than Class 1 Requirements. However, the follow- ing precautions must be observed during servicing to protect your eyes against exposure to the Laser beam. 1) When the cabinet has been removed, the power is turned on without a compact disc, and the Pickup is on a position outer than the lead-in posi- tion, the Laser will light for several seconds to detect a disc. Do not look into the Pickup Lens. 2) The Laser Power Output of the Pickup inside the unit and replacement service parts have already been adjusted prior to shipping. 3) No adjustment to the Laser Power should be attempted when replacing or servicing the Pickup. 4) Under no circumstances look directly into the Pickup Lens at any time. 5) CAUTION - Use of controls or adjustments, or performance of procedures other than those specified herein may result in hazardous radiation exposure. 2 IMPORTANT SERVICE NOTES (FOR U.K. ONLY) Before returning the unit to the customer after completion of a repair or adjustment it is necessary for the following withstand voltage test to be applied to ensure the unit is safe for the customer to use. Setting of Withstanding Voltage Tester and set. VAROITUS! LAITTEEN KYTTMINEN MUULLA KUIN TSS KYTTOHJEESSA MAINITULLA TAVALLA SAATTAA ALTISTAA KYTTJN TURVALLISUUSLUOKAN 1 YLITTVLLE NKYMTTMLLE LASERSTEILYLLE. VARNING - OM APPARATEN ANVNDS P ANNAT STT N I DENNA BRUKSANVISNING SPECIFICERAS. KAN ANVNDAREN UTSTTAS FR OSYNLIG LASER- STRLNING, SOM VERSKRIDER GRNSEN FR LASERKLASS 1. ADVERSEL-SYNLIG OG USYNLIG LASERSTRLING VED BNING. SE IKKE IND I STRLEN-HELLER IKKE MED OPTISKE INSTRUMENTER. VARO!AVATTAESSAOLETALTTIINANKYVLLE JANKYMTTMLLE LASERSTEILYLLE L TUIJOTA STEESEEN LK KATSO SIT OPTISEN LAITTEEN LPI. VARNING-SYNLIG OCH OSYNLIG LASERSTRLNING NR DENNA DEL R PPNAD. STIRRA EJ IN I STRLEN OCH BETRAKTA EJ STRLEN GENOM OPTISKT INSTRUMENT. Laser Diode Properties Material: GaAIAs Wavelength: 780 nm Emission Duration: continuous Laser Output: max. 0.6 mW Set nameset value Withstanding Voltage Tester Test voltage4,240 VPEAK 3,000 VRMS Set time6 secs Set current (Cutoff current)4 mA Unit Judgment OK: The “GOOD” lamp lights. NG: The “NG” lamp lights and the buzzer sounds. PROBE AC OUT UNIT SHORT-CIRCUIT AC POWER SUPPLY CORD CONNECT THE PROBE TO GND OF CHASSIS SCREW WITHSTANDING VOLTAGE TESTER XL-MP100H 1 2 3 SPECIFICATIONS FOR A COMPLETE DESCRIPTION OF THE OPERATION OF THIS UNIT, PLEASE REFER TO THE OPERATION MANUAL. Except for U.K. I General I Amplifier I Tuner I CD player I Cassette deck I Speaker Power sourceAC 230 V, 50 Hz Power consumption Power on: 107 W Power stand-by: 0.6 W DimensionsWidth: 160 mm (6-5/16) Height: 228 mm (9) Depth: 248 mm (9-13/16) Weight4.2 kg (9.3 lbs.) Output powerPMPO: 300 W (total) MPO: 150 W (75 W + 75 W) (DIN 45 324) RMS: 100 W (50 W + 50 W) (DIN 45 324) RMS: 75 W (37.5 W + 37.5 W) (DIN 45 500) Output terminalsSpeakers: 6 ohms Headphones: 16 - 50 ohms (recommended: 32 ohms) CD digital output (optical) Input terminalsVideo/Auxiliary (audio signal): 500 mV/47 k ohms Frequency rangeFM: 87.5 - 108 MHz AM: 522 - 1,620 kHz TypeCompact disc player Signal readoutNon-contact, 3-beam semiconductor laser pickup D/A converter1-bit D/A converter Frequency response 20 - 20,000 Hz Dynamic range90 dB (1 kHz) Frequency response 50 - 14,000 Hz (normal tape) Signal/noise ratio50 dB (recording/playback) Wow and flutter0.3 % (DIN 45 511) Type2-way type speaker system 4 cm (1-9/16) semi dome tweeter 9 cm (3-9/16) woofer Maximum input power 100 W Rated input power50 W Impedance6 ohms DimensionsWidth: 132 mm (5-3/16) Height: 228 mm (9) Depth: 197 mm (7-13/16) Weight2.0 kg (4.4 lbs.)/each For U.K. I General I Amplifier I Tuner I CD player I Cassette deck I Speaker Power sourceAC 230 - 240 V, 50 Hz Power consumption Power on: 107 W Power stand-by: 0.6 W DimensionsWidth: 160 mm (6-5/16) Height: 228 mm (9) Depth: 248 mm (9-13/16) Weight4.2 kg (9.3 lbs.) Output powerRMS: 100 W (50 W + 50 W) (10 % T.H.D.) RMS: 75 W (37.5 W + 37.5 W) (0.9 % T.H.D.) Output terminalsSpeakers: 6 ohms Headphones: 16 - 50 ohms (recommended: 32 ohms) CD digital output (optical) Input terminalsVideo/Auxiliary (audio signal): 500 mV/47 k ohms Frequency rangeFM: 87.5 - 108 MHz AM: 522 - 1,620 kHz TypeCompact disc player Signal readoutNon-contact, 3-beam semiconductor laser pickup D/A converter1-bit D/A converter Frequency response 20 - 20,000 Hz Dynamic range90 dB (1 kHz) Frequency response 50 - 14,000 Hz (normal tape) Signal/noise ratio50 dB (recording/playback) Wow and flutter0.25 % (WRMS) Type2-way type speaker system 4 cm (1-9/16) semi dome tweeter 9 cm (3-9/16) woofer Maximum input power 100 W Rated input power50 W Impedance6 ohms DimensionsWidth: 132 mm (5-3/16) Height: 228 mm (9) Depth: 197 mm (7-13/16) Weight2.0 kg (4.4 lbs.)/each Specifications for this model are subject to change without prior notice. XL-MP100H 1 3 4 NAMES OF PARTS 1.Volume Control 2.Timer Set Indicator 3.Function Selector Button 4.On/Stand-by Button 5.Headphone Socket 6.Bass/Treble Selector Button 7.Memory/Set Button 8.Cassette Compartment 9.Disc Tray 10.Disc or Tape Stop, Tuning Down Button 11.Disc Tray Open/Close Button 12.Disc Play or Pause, Tape Play, Tuning Up Button 13.Disc Track Up or Fast Forward, Tape Fast Forward, Tuner Preset Up Button 14.Disc Track Down or Fast Reverse, Tape Rewind, Tuner Preset Down Button 15.Tape Record Pause Button 16.MP3 Disc Indicator 17.RDS Indicator 18.Traffic Announcement Indicator 19.Traffic Programme Indicator 20.FM Stereo Mode Indicator 21.FM Stereo Receiving Indicator 22.Surround Indicator 23.Memory Indicator 24.Timer Play Indicator 25.Sleep Indicator 26.Disc Play Indicator 27.Disc Repeat Indicator 28.Disc Pause Indicator 29.Tape Record Indicator 30.AC Power Input Socket 31.FM 75 Ohms Aerial Socket 32.AM Loop Aerial Socket 33.Video/Auxiliary (Audio Signal) Input Sockets 34.CD Digital Output Socket 35.Speaker Terminals 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 26 27 28 1718192021 22 23 24 2529 30 31 32 33 34 35 1.Tweeter 2.Woofer 3.Speaker Terminals 4.Bass Reflex Duct 5.Remote Control Transmitter 6.On/Stand-by Button 7.Clock Button 8.Timer Button 9.Sleep Button 10.Surround Button 11.Disc Fast Reverse, Tuning Down, Tape Rewind Button 12.Disc or Tape Play Button 13.Disc or Tape Stop Button 14.Disc Track Down, Tuner Preset Down, Time Down Button 15.RDS ASPM (Auto Station Programme Memory) Button 16.RDS Programme Type/ Traffic Information Search Button 17.Treble Up and Down Buttons 18.Memory Button 19.Disc Programme Clear Button 20.CD/MP3 Disc Button 21.Tuner and Band Selector Button 22.MP3 Disc Display Button 23.Direct Search Buttons 24.Volume Up Button 25.Disc Fast Forward, Tuning Up, Tape Fast Forward Button 26.Disc Pause Button 27.Volume Down Button 28.Disc Track Up, Tuner Preset Up, Time Up Button 29.RDS Display Mode Select Button 30.Tape Record Pause Button 31.Bass Up and Down Buttons 32.Disc Random Play Button 33.Disc Repeat Button 34.Video/Auxiliary Button 35.Tape Button 13 15 16 20 21 19 18 17 5 6 7 8 9 14 10 11 12 29 22 25 24 26 23 27 28 33 32 31 30 35 34 4 3 1 2 XL-MP100H 2 1 AudioXL-MP100HService ManualXLMP100HMarketE CHAPTER 2. ADJUSTMENTS 1 ADJUSTMENT 1. MECHANISM SECTION Driving Force Check Torque Check Tape Speed 2. TUNER SECTION fL: Low-range frequency fH: High-range frequency AM IF/RF Signal generator: 400 Hz, 30%, AM modulated Torque MeterSpecified Value Play: TW-2111Over 80 g Torque MeterSpecified Value Play: TW-211130 to 80 g.cm Fast forward: TW-223170 to 180 g.cm Rewind: TW-223170 to 180 g.cm Test TapeAdjusting Point Specified Value Instrument Connection MTT-111Variable Resistor in motor. 3,000 30 HzSpeaker Ter- minal (Load resistance: 6 ohms) Figure 1 Test StageFrequencyFrequency Display Setting/ Adjusting Parts Instrument Connection IF450 kHz1,602 kHzL305*1 AM Band Coverage 522 kHz(fL): L306 1.1 0.1 V *2 AM Tracking990 kHz990 kHzL302*3 *1. Input: IC301 1PinOutput: IC301 23Pin *2. Input: Input is not connectedOutput: TP301(IC301 28Pin) *3. Input: AntennaOutput:IC301 23Pin TAPE MECHANISM M501 Tape Motor Variable resistor in motor L302 J102 J301 FE301 L311 W303 L306 CNP301 CF301 CF304 L305 CF303 W302 X351 IC351 CF302 MAIN PWB 1 2 16 9 10 11 12 13 14 15 7 6 5 4 3 2 8 1 FM ANTENNA AM LOOP ANTENNA VIDEO/AUX IN LEFT RIGHT 75 OHMS W302 W303 W301 AM BAND COVERAGE fL AM Tracking AM IF C321 23 TP301 IC301 Figure 2 ADJUSTMENT POINTS XL-MP100H 2 2 3. CD SECTION Adjustment Since this CD system incorporates the following automatic adjust- ment functions, readjustment is not needed when replacing the pickup. Therefore, different PWBs and pickups can be combined freely. Each time a disc is changed, these adjustments are performed automatically. Therefore, playback of each disc can be performed under optimum conditions. 2 TEST MODE Test Mode Key Operation All test modes can be terminated by turning off the power with ON/STAND-BY key. Preset clear test All tuner preset stations are cleared. Preset set test Stations are set according to destination. Display test When test mode is activated, the entire display lights up. As the “PLAY” button is pressed, half of the display lights up alternately. CD test In step 5, hold down the AUX button on the remote control. The tracking servo is switched on/off. From step 3, the pick up can be moved with the FF/REW button. KEY1KEY2KEY3TEST CONTENTSINDICATION MemoryPreset DownPowerPreset clearTu CL MemoryStopPowerPreset setFM P-01 MemoryPlayPowerDisplay MemoryPreset upPowerCDTEST-1 MemoryRECPowerSoft resetCLEAR Bass/treblePreset downPowerVolumeTEST-3 Bass/treblePlayPowerTimer testTEST-4 Bass/trebleTAPE-RECPowerall keyTEST-6 Bass/trebleStopPowerTuner aspmTEST-7 CHBANDFREQUENCY 1FM STEREOFM 87.50 MHz 2FM 108.00 MHz 3FM 98.00 MHz 4FM 90.00 MHz 5FM 106.00 MHz 1AMAM 522 kHz 2AM 1620 kHz 3AM 990 kHz 4AM 603 kHz 5AMAM 1404 kHz AM6-30 FM11-30 35 36FM MONOFM 106.00 MHz 37FM 90.00 MHz 38FM 98.00 MHz 39FM 108.00 MHz 40FM 87.50 MHz CHBANDFREQUENCY cd step 1 Enter test mode. Hold down the “memory” button cd step 2 After some steps, the laser turns on. Hold down the “memory” button cd step 3 After some steps, focus search is performed. Hold down the “memory” button cd step 4 After some steps, CLV rotation is performed. Hold down the “memory” button cd step 5 CD playback starts. Hold down the “stop” button to return to cd step 1 XL-MP100H 2 3 Soft reset test All data in RAM is cleared. VOLUME test Starting from level 23 (default), check all the levels (0 - 23 - MAX). Tuner aspm test 106.50 MHz FM stereo is set by default. Hold down the “ASPM” button (on the remote control) to start scanning from 105.00 MHz. The unit receives stations and stores them as PS (preset stations). If no station is received, “0MEMORY” appears. TIMER test Start the timer at 1:00. When it reaches 1:05, turn on the power with the AUX function and turn off the power after about 30 seconds. (In the test mode, fade-in and fade-out are not required.) ALL KEY test In the test mode, hold down all the buttons on the main unit and then press the “POWER” button. “OK” appears. If only the “ON/STAND-BY” key is pressed, “ERROR” appears. XL-MP100H 3 1 AudioXL-MP100HService ManualXLMP100HMarketE CHAPTER 3. MECHANICAL DESCRIPTION 1 REMOVING AND REINSTALLING THE MAIN PARTS 1. TAPE MECHANISM SECTION Perform steps 1 to 5 and 7 of the disassembly method to remove the tape mechanism. (See page 3-3,3-4) 1.1. How to remove the record / playback and erase heads (See Fig. 1) 1. Remove the screws (A1) x 2 pcs., to remove the erase head. 2. Remove the screws (A2) x 2 pcs., to remove the record/playback head. NOTE: After replacing the heads and performing the azimuth adjust- ment, be sure to apply screw lock. 1.2. How to remove the pinch roller (See Fig.2) 1. Carefully bend the pinch roller pawl in the direction of the arrow , and remove the pinch roller (B1) x 1 pc., upwards. 1.3. How to remove the belts (See Fig.3) 1. Remove the main belt (C1) x 1 pc., from the motor pulley. 2. Remove the FF/REW belt (C2) x 1 pc., from the REW/FF roller. 3. Put on the belts in the reverse order of removal. NOTE: When putting on the belt, ascertain that the belt is not twisted, and clean it. 1.4. How to remove the motor (See Fig.4) 1. Remove the main belt. 2. Remove the screws (D1) x 2 pcs., to remove the motor bracket. 3. Remove the screws (D2) x 3 pcs., to remove the motor. NOTE: When mounting the motor, pay attention to the motor mounting angle. Figure 1 Figure 2

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