Service Manual
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SHARP CORPORATION This document has been published to change without notice. ADJUSTMENTS [1] CD Section 2-1 [2] Test Mode 2-2 [3] Standard Specification Of Stereo System Error Message Display Contents 2-4 CHAPTER 3. " are subject to be used . CIRCUIT ... SERVICE MANUAL No. CONTENTS PRECAUTIONS FOR USING LEAD-FREE SOLDER CHAPTER 1. S7734XLDK225/ MICRO COMPONENT SYSTEM VIDEO /AUX MODEL XL-DK225 XL-DK225 Micro Component System consisting of XL-DK225 (main unit) and CP-DK225 (speaker system). • In the interests of PWB 6-12 CHAPTER 7. MECHANICAL DESCRIPTION [1]...
SHARP CORPORATION This document has been published to change without notice. ADJUSTMENTS [1] CD Section 2-1 [2] Test Mode 2-2 [3] Standard Specification Of Stereo System Error Message Display Contents 2-4 CHAPTER 3. " are subject to be used . CIRCUIT ... SERVICE MANUAL No. CONTENTS PRECAUTIONS FOR USING LEAD-FREE SOLDER CHAPTER 1. S7734XLDK225/ MICRO COMPONENT SYSTEM VIDEO /AUX MODEL XL-DK225 XL-DK225 Micro Component System consisting of XL-DK225 (main unit) and CP-DK225 (speaker system). • In the interests of PWB 6-12 CHAPTER 7. MECHANICAL DESCRIPTION [1]...
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XL-DK225 AXSMEPeRuLardEr-vMkMiiCocePAePt1U1M55T00aIOnuNaSl FOR USING LEAD-FREE SOLDER 1. The LF symbol indicates lead-free solder,...iPOD (A4) PWB-B 92LPWB6894DPLS DISPLAY (B1), HEADPHONE (B2), RE-FLASH (B3), VOLUME LED (B4) PWB-C 92LPWB6894PODS iPOD PWB-D 92LPWB6894CDUS CD MP3 - 2i Using lead-free wire solder When fixing the PWB soldered with polarity indication on the PWB and service manuals. The alphabetical ...Employing lead-free solder "MAIN, POWER, SPEAKER, TRANSIT iPOD, DISPLAY, HEADPHONE, RE-FLASH, VOLUME LED, iPOD, CD MP3 PWB" of this model employs lead-free solder.
XL-DK225 AXSMEPeRuLardEr-vMkMiiCocePAePt1U1M55T00aIOnuNaSl FOR USING LEAD-FREE SOLDER 1. The LF symbol indicates lead-free solder,...iPOD (A4) PWB-B 92LPWB6894DPLS DISPLAY (B1), HEADPHONE (B2), RE-FLASH (B3), VOLUME LED (B4) PWB-C 92LPWB6894PODS iPOD PWB-D 92LPWB6894CDUS CD MP3 - 2i Using lead-free wire solder When fixing the PWB soldered with polarity indication on the PWB and service manuals. The alphabetical ...Employing lead-free solder "MAIN, POWER, SPEAKER, TRANSIT iPOD, DISPLAY, HEADPHONE, RE-FLASH, VOLUME LED, iPOD, CD MP3 PWB" of this model employs lead-free solder.
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... Amplifier Output power Output terminals Input terminals 20 watts minimum RMS per channel into 6 ohms from 100 Hz to do so". GENERAL DESCRIPTION XL-DK225 [1] Important Service Safety Precaution CAUTION : "These servicing instructions are qualified to 20 kHz, 10% total harmonic distortion Speakers: 6 ohms ...ohms) Subwoofer pre-out (audio signal): 200 mV/10 k ohms at 70 Hz Video/Auxiliary (audio signal): 500 mV/47 k ohms CD player Type Signal readout D/A converter Frequency response Dynamic range 5-disc multi-play compact disc player Non-contact, 3-beam semiconductor laser pickup Multi ...
... Amplifier Output power Output terminals Input terminals 20 watts minimum RMS per channel into 6 ohms from 100 Hz to do so". GENERAL DESCRIPTION XL-DK225 [1] Important Service Safety Precaution CAUTION : "These servicing instructions are qualified to 20 kHz, 10% total harmonic distortion Speakers: 6 ohms ...ohms) Subwoofer pre-out (audio signal): 200 mV/10 k ohms at 70 Hz Video/Auxiliary (audio signal): 500 mV/47 k ohms CD player Type Signal readout D/A converter Frequency response Dynamic range 5-disc multi-play compact disc player Non-contact, 3-beam semiconductor laser pickup Multi ...
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.../WMA Total Indicator 9. FM Stereo Receiving Indicator 12. Speaker Terminals 2. AM Loop Antenna Terminal 6. Cooling Fan 6 9. Tweeter 2 2. iPod Terminal 2. CD Button 9. Disc Number Select Buttons 14. Disc Tray Open/Close Button 12 3 45 67 13 14 15 16 9 10 11 8 12 Display 1. Disc...Disc or iPod Play or Pause Button 7. Video/Auxiliary/iPod Button 11. MP3/WMA Folder Indicator 3. Disc Play Indicator Rear panel 3 1. XL-DK225 [3] Names Of Parts 10 Front panel 1. MP3 Indicator 5. Sleep Indicator 7. Extra Bass Indicator 14. Disc Repeat Play Indicator 15. Video...
.../WMA Total Indicator 9. FM Stereo Receiving Indicator 12. Speaker Terminals 2. AM Loop Antenna Terminal 6. Cooling Fan 6 9. Tweeter 2 2. iPod Terminal 2. CD Button 9. Disc Number Select Buttons 14. Disc Tray Open/Close Button 12 3 45 67 13 14 15 16 9 10 11 8 12 Display 1. Disc...Disc or iPod Play or Pause Button 7. Video/Auxiliary/iPod Button 11. MP3/WMA Folder Indicator 3. Disc Play Indicator Rear panel 3 1. XL-DK225 [3] Names Of Parts 10 Front panel 1. MP3 Indicator 5. Sleep Indicator 7. Extra Bass Indicator 14. Disc Repeat Play Indicator 15. Video...
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... On/Stand-by Button 8. Disc Clear/Dimmer Button 16 17 12. Disc Play or Pause Button 15. CD Track Up or Fast Forward, Tuner Preset Up, 3 Time Up Button 20 21 22 18. Display Button... or Pause Button 16. Clock/Timer Button 1 - 35 Equalizer Mode Select Button 8 12 5. Extra Bass/Demo Button 14 6. CD Button 15 9. Tuning Up Button 18 19 17. Play Mode Button 6 21. Memory Button 14. Tuning Down Button 5 20...2 7. Tuner (Band) Button 10 10. Disc Stop Button 13. Folder Button 23. CD Track Down or Fast Reverse, Tuner Preset Down, 4 Time Down Button 23 19...
... On/Stand-by Button 8. Disc Clear/Dimmer Button 16 17 12. Disc Play or Pause Button 15. CD Track Up or Fast Forward, Tuner Preset Up, 3 Time Up Button 20 21 22 18. Display Button... or Pause Button 16. Clock/Timer Button 1 - 35 Equalizer Mode Select Button 8 12 5. Extra Bass/Demo Button 14 6. CD Button 15 9. Tuning Up Button 18 19 17. Play Mode Button 6 21. Memory Button 14. Tuning Down Button 5 20...2 7. Tuner (Band) Button 10 10. Disc Stop Button 13. Folder Button 23. CD Track Down or Fast Reverse, Tuner Preset Down, 4 Time Down Button 23 19...
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.... When it detect TRAY operation error during initialize process. Can't detect TRAY switch when TRAY is moving . XL-DK225 CHAPTER 2. Can't detect CAM switch when CAM is moving . TRAY error. CD SECTION • Adjustment Since this CD system incorporates the following automatic adjustment functions, readjustment is compensated inside the IC.) * Focus offset adjustment...
.... When it detect TRAY operation error during initialize process. Can't detect TRAY switch when TRAY is moving . XL-DK225 CHAPTER 2. Can't detect CAM switch when CAM is moving . TRAY error. CD SECTION • Adjustment Since this CD system incorporates the following automatic adjustment functions, readjustment is compensated inside the IC.) * Focus offset adjustment...
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CLV Servo ON > key input. STOP and return to enter the test mode.\ XL-DK225 Step 1 Step 2 Step 3 Step 4 Step 5 CD TE ST OPEN/CLOSE operation is using manual. > key input. Start Auto Adjustment at current pick-up location. Reading Sub-code and Display key input. [2] ... mode During stand-by mode, press STOP button while pressing down > key for more than 2 sec. IL isn't done IL isn't done 2 - 2 Then, press the CD button to Step 1 Hold down the 3 button and 44 button. Tracking Servo ON > key input. Focus ON > key input. key input. Laser ON. > key input...
CLV Servo ON > key input. STOP and return to enter the test mode.\ XL-DK225 Step 1 Step 2 Step 3 Step 4 Step 5 CD TE ST OPEN/CLOSE operation is using manual. > key input. Start Auto Adjustment at current pick-up location. Reading Sub-code and Display key input. [2] ... mode During stand-by mode, press STOP button while pressing down > key for more than 2 sec. IL isn't done IL isn't done 2 - 2 Then, press the CD button to Step 1 Hold down the 3 button and 44 button. Tracking Servo ON > key input. Focus ON > key input. key input. Laser ON. > key input...
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Example: In case of 'ER-CD**'. 'ER-CD**' will only be display when error had occurred, the unit will automatically enter to enter stand-by mode and Timer indicator will be taken after ... operation 21: TRAY SW Detection NG during initialize process PLL Unlock. (*) CHECKING: If CD changer mechanism error is ready for the 5th times. [3] Standard Specification Of Stereo System Error Message Display Contents XL-DK225 CD TUNER Error Contents DISPLAY CD Changer Mechanism Error. 'ER-CD**' (*) Focus Not Match/IL Time Over. 'NO DISC' PLL Unlock.
Example: In case of 'ER-CD**'. 'ER-CD**' will only be display when error had occurred, the unit will automatically enter to enter stand-by mode and Timer indicator will be taken after ... operation 21: TRAY SW Detection NG during initialize process PLL Unlock. (*) CHECKING: If CD changer mechanism error is ready for the 5th times. [3] Standard Specification Of Stereo System Error Message Display Contents XL-DK225 CD TUNER Error Contents DISPLAY CD Changer Mechanism Error. 'ER-CD**' (*) Focus Not Match/IL Time Over. 'NO DISC' PLL Unlock.
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...Figure 1), rotate reduction gear C clock-wise as follows: If the gear up down board CD at stock postiiton. When CD is at stalk position. Reduction gear D Up Down Figure 3 CD Disc Disc Tray Guide Tray Gear up down board position by checking the gear up down board... Removing And Reinstalling The Main Parts 1. Figure 1 Reduction gear C Front Rear Figure 2 2. Rotate reduction gear D clockwise (Figure 3) to move the CD mechanism to remove CD Disc (See Fig. 1-4) 1. XL-DK255 CHAPTER 3. In another case, if CD mechanism is at play position and to eject the disc tray so that...
...Figure 1), rotate reduction gear C clock-wise as follows: If the gear up down board CD at stock postiiton. When CD is at stalk position. Reduction gear D Up Down Figure 3 CD Disc Disc Tray Guide Tray Gear up down board position by checking the gear up down board... Removing And Reinstalling The Main Parts 1. Figure 1 Reduction gear C Front Rear Figure 2 2. Rotate reduction gear D clockwise (Figure 3) to move the CD mechanism to remove CD Disc (See Fig. 1-4) 1. XL-DK255 CHAPTER 3. In another case, if CD mechanism is at play position and to eject the disc tray so that...
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... N2) X 2 3. Screw P1) X 4 7 2. Screw D1) X 4 2 2. Flat Cable E2) X 2 3. Screw J4) X 6 10 USB PWB / SUB PWB 1. Screw M1) X 1 6 13 CD MP3 PWB 1. Main PWB Figure 3 (F2)x1 (E1)x2 3x10mm (F1)x2 3x10mm 3 - 2 Socket D2) X 1 3. Washer J3) X 1 4. Flat Cable C4) X 2 (C3)x1 PULL Front Panel...(Right) (A1)x2 3x12mm (B1)x2 3x10mm Rear Panel STEP REMOVAL 1 Top Cabinet 2 Side Panel (Left/Right) PROCEDURE 1. XL-DK255 [2] Disassembly Caution on static electricity of the unit. 2) Be sure to remove the power supply plug from the wall outlet before ...
... N2) X 2 3. Screw P1) X 4 7 2. Screw D1) X 4 2 2. Flat Cable E2) X 2 3. Screw J4) X 6 10 USB PWB / SUB PWB 1. Screw M1) X 1 6 13 CD MP3 PWB 1. Main PWB Figure 3 (F2)x1 (E1)x2 3x10mm (F1)x2 3x10mm 3 - 2 Socket D2) X 1 3. Washer J3) X 1 4. Flat Cable C4) X 2 (C3)x1 PULL Front Panel...(Right) (A1)x2 3x12mm (B1)x2 3x10mm Rear Panel STEP REMOVAL 1 Top Cabinet 2 Side Panel (Left/Right) PROCEDURE 1. XL-DK255 [2] Disassembly Caution on static electricity of the unit. 2) Be sure to remove the power supply plug from the wall outlet before ...
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... A4) X 4 1. Catching Holder A2) X 4 3. Screw B1) X 2 FIGURE 9, 10 10 Speaker Box Net Frame Ass'y (A1) x1 (M1)x1 Ø3x10mm Main Chassis Figure 6 CD Changer Unit (P1)x2 Ø3x10mm (N2)x2 (P1)x2 Ø3x10mm (N3)x1 (N1)x3 Ø3x10mm Figure 7 (A2)x4 (A3)x4 Ø4x20mm ... (B1)x2 Ø3x14mm (A4)x4 Ø3.5x14mm Figure 10 3 - 3 Net Frame Ass'y A1) X 1 2. XL-DK255 Rear Panel (H1)x2 Ø3x10mm CD Mechanism (P2)x4 Special Speaker PWB Figure 4 Display PWB Front Panel (J2)x1 CD Changer Unit (J4)x6 Ø2.6x10mm SUB PWB USB PWB (K1)x2 Ø2.6x10mm Jack PWB...
... A4) X 4 1. Catching Holder A2) X 4 3. Screw B1) X 2 FIGURE 9, 10 10 Speaker Box Net Frame Ass'y (A1) x1 (M1)x1 Ø3x10mm Main Chassis Figure 6 CD Changer Unit (P1)x2 Ø3x10mm (N2)x2 (P1)x2 Ø3x10mm (N3)x1 (N1)x3 Ø3x10mm Figure 7 (A2)x4 (A3)x4 Ø4x20mm ... (B1)x2 Ø3x14mm (A4)x4 Ø3.5x14mm Figure 10 3 - 3 Net Frame Ass'y A1) X 1 2. XL-DK255 Rear Panel (H1)x2 Ø3x10mm CD Mechanism (P2)x4 Special Speaker PWB Figure 4 Display PWB Front Panel (J2)x1 CD Changer Unit (J4)x6 Ø2.6x10mm SUB PWB USB PWB (K1)x2 Ø2.6x10mm Jack PWB...
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CIRCUIT DESCRIPTION [1] Waveforms Of CD Circuit 1 FDO IC1 22 2 TDO 23 IC1 1 FDO 22 IC1 5 SPDO 25 IC1 1 22 FDO IC1 3 TE 16 IC1 6 28 IC1 PDOUT 0 7 PDOUT 1 27 IC1 1 22 FDO IC1 3 TE 16 IC1 4 IC1 2 RFOUT 4 2 IC1 RFOUT 5 - 1 XL-DK225 CHAPTER 5.
CIRCUIT DESCRIPTION [1] Waveforms Of CD Circuit 1 FDO IC1 22 2 TDO 23 IC1 1 FDO 22 IC1 5 SPDO 25 IC1 1 22 FDO IC1 3 TE 16 IC1 6 28 IC1 PDOUT 0 7 PDOUT 1 27 IC1 1 22 FDO IC1 3 TE 16 IC1 4 IC1 2 RFOUT 4 2 IC1 RFOUT 5 - 1 XL-DK225 CHAPTER 5.
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In the CD section, the CD is microfarad. Be sure to change for maintaining the safety and performance of the set . Besides, the one measured by Digital Multimeter between such...SW710 SW711 SW712 VR701 DESCRIPTION DISC4 DISC5 OPEN/CLOSE DISC1 DISC2 DISC3 POWER ON/STAND-BY PLAY/REPEAT STOP VIDEO/AUX/USB TUNER (BAND) CD VOLUME POSITION ON-OFF ON-OFF ON-OFF ON-OFF ON-OFF ON-OFF ON-OFF ON-OFF ON-OFF ON-OFF ON-OFF ... without prior notice. • The indicated voltage in each section is ohm-type resistor. In the tuner section, indicates AM indicates FM stereo 2. XL-DK225 CHAPTER 6.
In the CD section, the CD is microfarad. Be sure to change for maintaining the safety and performance of the set . Besides, the one measured by Digital Multimeter between such...SW710 SW711 SW712 VR701 DESCRIPTION DISC4 DISC5 OPEN/CLOSE DISC1 DISC2 DISC3 POWER ON/STAND-BY PLAY/REPEAT STOP VIDEO/AUX/USB TUNER (BAND) CD VOLUME POSITION ON-OFF ON-OFF ON-OFF ON-OFF ON-OFF ON-OFF ON-OFF ON-OFF ON-OFF ON-OFF ON-OFF ... without prior notice. • The indicated voltage in each section is ohm-type resistor. In the tuner section, indicates AM indicates FM stereo 2. XL-DK225 CHAPTER 6.
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XL-DK225 [4] Charts Of Connecting Wires WH F F C 7 0 5 TUNER PACK 9 FFC301 A ANTENNA 1 FM GND 9 AM F F C 3 0 1 B CNS601 9 8 7 6 5 4 3 2 1 1 9 1 TRANSIT ... B I 8 0 1 BI902 543 21 FAN MOTOR 1 2 3 4 5 C N P 7 0 8 FROM HEADPHONE CNS902 4 3 2 1 SPEAKER PWB-A3 1 2 3 4 CNP902 E JK701 HEADPHONE PWB-B2 R-CH L-CH L-CH L-CH R-CH R-CH SPEAKER TERMINAL S O 9 0 1 TO CD MP3 PWB-D CNP6 F MAIN C N F F C 7 0 2 CNS701 6 5 4 3 2 1 R D G R B L B L G R B L 12 1 17 1 10 C N P 8 0 1 F 1 2 3 4 5 6 7 8 9 10 1 2 3 4 5 6 C N P 8 0 2 7654321 BI701 11 9 7 5 3 1 12 10 8 6 ...
XL-DK225 [4] Charts Of Connecting Wires WH F F C 7 0 5 TUNER PACK 9 FFC301 A ANTENNA 1 FM GND 9 AM F F C 3 0 1 B CNS601 9 8 7 6 5 4 3 2 1 1 9 1 TRANSIT ... B I 8 0 1 BI902 543 21 FAN MOTOR 1 2 3 4 5 C N P 7 0 8 FROM HEADPHONE CNS902 4 3 2 1 SPEAKER PWB-A3 1 2 3 4 CNP902 E JK701 HEADPHONE PWB-B2 R-CH L-CH L-CH L-CH R-CH R-CH SPEAKER TERMINAL S O 9 0 1 TO CD MP3 PWB-D CNP6 F MAIN C N F F C 7 0 2 CNS701 6 5 4 3 2 1 R D G R B L B L G R B L 12 1 17 1 10 C N P 8 0 1 F 1 2 3 4 5 6 7 8 9 10 1 2 3 4 5 6 C N P 8 0 2 7654321 BI701 11 9 7 5 3 1 12 10 8 6 ...
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XL-DK225 FROM DISPLAY PWB-B1 CNP702 F F C 7 0 5 12 1 F F C 7 0 2 1 10 11 9 7 5 3 1 12 10 8 6 4 2 CNP3 9 8 7 6 5 4 3 2 1 CNP5 2 4 6 8 10 13579 CNP6 1 1 2 4 6 8 10 1 3 5 7 9 11 C N P 4 T O CD CHANGER MECHANISM UNIT 1 FFC4 T O CD MOTOR PWB 1 2 3 4 5 6 CNS2 1 2 3 4 5 6 C N P 2 WH GR WH GR WH RD FROM MAIN PWB-A1 CNP701B 17 1 17 15 13 11 9 7 5 3 1 16 14 12 10 8 6 4 2 0 2 CNP701A -B1 F F C 7 0 1 CD... MP3 PWB-C CNP1 2 4 6 8 10 12 14 16 1 3 5 7 9 11 13 15 1 16 FFC1 FROM EXTERNAL MICOM DEVICE 1 16 TO CD PICK-UP UNIT 1 2 3 4 5 6 7 8 ...
XL-DK225 FROM DISPLAY PWB-B1 CNP702 F F C 7 0 5 12 1 F F C 7 0 2 1 10 11 9 7 5 3 1 12 10 8 6 4 2 CNP3 9 8 7 6 5 4 3 2 1 CNP5 2 4 6 8 10 13579 CNP6 1 1 2 4 6 8 10 1 3 5 7 9 11 C N P 4 T O CD CHANGER MECHANISM UNIT 1 FFC4 T O CD MOTOR PWB 1 2 3 4 5 6 CNS2 1 2 3 4 5 6 C N P 2 WH GR WH GR WH RD FROM MAIN PWB-A1 CNP701B 17 1 17 15 13 11 9 7 5 3 1 16 14 12 10 8 6 4 2 0 2 CNP701A -B1 F F C 7 0 1 CD... MP3 PWB-C CNP1 2 4 6 8 10 12 14 16 1 3 5 7 9 11 13 15 1 16 FFC1 FROM EXTERNAL MICOM DEVICE 1 16 TO CD PICK-UP UNIT 1 2 3 4 5 6 7 8 ...
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32 1 2 4 6 8 10 12 14 1 3 5 7 9 11 13 XL-DK225 6 8 10 12 14 16 7 9 11 13 15 Lead-free solder indication Lead-free solder is used in the CD MP3 PWB. Refer to "Precautions for handling lead-free solder" for instructions and precautions. Figure 6-27: WIRING SIDE OF CD MP3 PWB (TOP VIEW) (2/2) 6 - 29
32 1 2 4 6 8 10 12 14 1 3 5 7 9 11 13 XL-DK225 6 8 10 12 14 16 7 9 11 13 15 Lead-free solder indication Lead-free solder is used in the CD MP3 PWB. Refer to "Precautions for handling lead-free solder" for instructions and precautions. Figure 6-27: WIRING SIDE OF CD MP3 PWB (TOP VIEW) (2/2) 6 - 29
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Figure 6-28: WIRING SIDE OF CD MP3 PWB (BOTTOM VIEW) (1/2) 6 - 30 CD MP3 PWB-D XL-DK225 Lead-free solder indication Lead-free solder is used in the CD MP3 PWB. Refer to "Precautions for handling lead-free solder" for instructions and precautions.
Figure 6-28: WIRING SIDE OF CD MP3 PWB (BOTTOM VIEW) (1/2) 6 - 30 CD MP3 PWB-D XL-DK225 Lead-free solder indication Lead-free solder is used in the CD MP3 PWB. Refer to "Precautions for handling lead-free solder" for instructions and precautions.
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..., however if the brushes become very wet then wipe off . If it contact with clean water and seek medical advice. If the CD cleaner brushes become worn out earlier then please replace the cleaner disc. Unauthorized duplicating, broadcasting and renting this section does not operate even ... Using the brush in the cleaner cap, apply 1 or 2 drops of isopropyl alcohol. In the event of dust other foreign matter on computer CD-ROM drives. XL-DK225 CHAPTER 7. Before attempting any excess fluid with the bare hand. 1. If not, clean it . 2. Turn the power off any adjustment ...
..., however if the brushes become very wet then wipe off . If it contact with clean water and seek medical advice. If the CD cleaner brushes become worn out earlier then please replace the cleaner disc. Unauthorized duplicating, broadcasting and renting this section does not operate even ... Using the brush in the cleaner cap, apply 1 or 2 drops of isopropyl alcohol. In the event of dust other foreign matter on computer CD-ROM drives. XL-DK225 CHAPTER 7. Before attempting any excess fluid with the bare hand. 1. If not, clean it . 2. Turn the power off any adjustment ...
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... 4. When a disc is displayed. Figure 1 No Check the focus peripheral circuit. Press the Tray1 CD Eject Button without inserting a disc, and try starting the playback operation. 1 FDO IC1 22 2 TDO 23 IC1 XL-DK225 1. Does the pickup move up and down? (Waveform drawing Figure 1) Yes 3. Does the... focus (lens) move to the PICKUP-IN Switch (NSW1) position? Is focus servo activated? (Waveform drawing Figure 2) Yes 2. Although a CD is inserted and the cover is closed...
... 4. When a disc is displayed. Figure 1 No Check the focus peripheral circuit. Press the Tray1 CD Eject Button without inserting a disc, and try starting the playback operation. 1 FDO IC1 22 2 TDO 23 IC1 XL-DK225 1. Does the pickup move up and down? (Waveform drawing Figure 1) Yes 3. Does the... focus (lens) move to the PICKUP-IN Switch (NSW1) position? Is focus servo activated? (Waveform drawing Figure 2) Yes 2. Although a CD is inserted and the cover is closed...
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...SHARP CORPORATION This document has been published to change without notice. The contents are important for maintaining the safety of the set . CONTENTS [1] INTEGRATED CIRCUITS [2] TRANSISTORS [3] DIODES [4] TRANSFORMERS [5] COILS [6] CRYSTALS / VIBRATORS [7] CAPACITORS [8] RESISTORS [9] OTHER CIRCUITRY PARTS [10] CABINET PARTS / CD... MECHANISM PARTS [11] SPEAKER BOX PARTS [12] ACCESSORIES / PACKING PARTS [13] P.W.B. " are subject to be used for maintaining the safety and performance of XL-DK225 (main unit) and CP-DK225 (speaker system...
...SHARP CORPORATION This document has been published to change without notice. The contents are important for maintaining the safety of the set . CONTENTS [1] INTEGRATED CIRCUITS [2] TRANSISTORS [3] DIODES [4] TRANSFORMERS [5] COILS [6] CRYSTALS / VIBRATORS [7] CAPACITORS [8] RESISTORS [9] OTHER CIRCUITRY PARTS [10] CABINET PARTS / CD... MECHANISM PARTS [11] SPEAKER BOX PARTS [12] ACCESSORIES / PACKING PARTS [13] P.W.B. " are subject to be used for maintaining the safety and performance of XL-DK225 (main unit) and CP-DK225 (speaker system...