Sharp XL-DK255 Service Manual
Sharp XL-DK255 Manual
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- Sharp XL-DK255 | Service Manual - Page 1
XL-DK225 SERVICE MANUAL No. 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 user-safety (Required by safety regulations in some countries) the set should be - Sharp XL-DK255 | Service Manual - Page 2
XL-DK225 AXSMEPeRuLardEr- indicates lead-free solder, and is attached on the PWB and service manuals. The alphabetical character following LF shows the type of lead-free solder may be peeled off or the maximum heat-resistance temperature of parts may be exceeded, remove the bit from the PWB as soon - Sharp XL-DK255 | Service Manual - Page 3
XL-DK225 [1] Important Service Safety Precaution CAUTION : "These servicing instructions are for use by qualified service personnel only. To reduce the risk of electric shock do not perform any servicing other than that contained in the operating instructions 2-way type speaker system 2" (5 cm) - Sharp XL-DK255 | Service Manual - Page 4
XL-DK225 [3] Names Of Parts 10 Front panel 1. iPod Terminal 2. Disc Trays 3. Timer Indicator 4. Remote Sensor 5. Disc Stop Button 6. Disc or iPod Play or Pause Button 7. Power On/Standby Button 8. CD Button 9. Tuner (Band) Button 10. Video/Auxiliary/iPod Button 11. Headphone Jack 12. Volume Control - Sharp XL-DK255 | Service Manual - Page 5
XL-DK225 Remote control 1 1. Remote Control Transmitter 11 2. Disc Number Select Buttons 13 3. Disc Direct Search Buttons 7 4. Equalizer Mode Select Button 8 12 5. Extra Bass/Demo Button 14 6. Volume Up and Down - Sharp XL-DK255 | Service Manual - Page 6
XL-DK225 CHAPTER 2. ADJUSTMENTS [1] CD Section 1. CD SECTION • Adjustment Since this CD system incorporates the following * Focus gain adjustment * Tracking gain adjustment 2. CD ERROR CODE DESCRIPTION Error 10* 11* 20* 21* Explanation CAM error. Can't detect CAM switch when CAM is moving. - Sharp XL-DK255 | Service Manual - Page 7
down the 3 button and 44 button. Then, press the CD button 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. Laser ON. > key input. Focus ON > key input. CLV Servo ON > key input. Tracking - Sharp XL-DK255 | Service Manual - Page 8
XL-DK225 STOP and return to Step 1 Everytime > key input a) Focus Balance = FB : XX b) Focus Gain = FG : XX c) Tracking Balance = TB : XX d) Tracking Gain = TG : XX e) Focus Offset = FOFF : XX f) Tracking Offset = TOFF : XX g) RFRP = RFRP : XX h) Focus Error (RW - Sharp XL-DK255 | Service Manual - Page 9
Of Stereo System Error Message Display Contents XL-DK225 CD TUNER Error Contents DISPLAY CD Changer Mechanism Error. THE UNIT The following process need to be taken after set tapering/parts replacement. 1. Press the POWER ON/STAND-BY button to enter stand The Micro Computer version 2 - 4 - Sharp XL-DK255 | Service Manual - Page 10
XL-DK255 CHAPTER 3. MECHANICAL DESCRIPTION [1] Removing And Reinstalling The Main Parts 1. CHANGER MECHANISM SECTION CD can be removed from the tray. Reduction gear D Up Down Figure 3 CD Disc Disc Tray Guide Tray Gear up down board CD at play position. CD Disc Mark 1 Mark 3 Mark 5 (DISC - Sharp XL-DK255 | Service Manual - Page 11
XL-DK255 [2] Disassembly Caution on disassembly Follow the below-mentioned notes when off nylon bands or wire holders where they need to be removed when disassembling the unit. After servicing the unit, be sure to rearrange the leads where they were before disassembling. 4) Take sufficient care - Sharp XL-DK255 | Service Manual - Page 12
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. - Sharp XL-DK255 | Service Manual - Page 13
-MEMO- XL-DK255 3 - 4 - Sharp XL-DK255 | Service Manual - Page 14
XL-DK225 CHAPTER 4. DIAGRAMS [1] Main Block Diagram Figure 4-1: MAIN BLOCK DIAGRAM (1/2) 4 - 1 - Sharp XL-DK255 | Service Manual - Page 15
XL-DK225 Figure 4-2: MAIN BLOCK DIAGRAM (2/2) 4 - 2 - Sharp XL-DK255 | Service Manual - Page 16
XL-DK225 [2] CD Block Diagram Figure 4-3: CD BLOCK DIAGRAM (1/2) 4 - 3 - Sharp XL-DK255 | Service Manual - Page 17
XL-DK225 Figure 4-4: CD BLOCK DIAGRAM (2/2) 4 - 4 - Sharp XL-DK255 | Service Manual - Page 18
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 - Sharp XL-DK255 | Service Manual - Page 19
VOLTAGE E 5.05 C 3.26 B 4.37 Q8 PIN NO VOLTAGE E 0.00 C 0.04 B 2.98 Q3 PIN NO VOLTAGE E 1.48 C 3.26 B 2.17 Q4 PIN NO VOLTAGE E 0.01 C 0.02 B 3.11 5 - 2 XL-DK225 - Sharp XL-DK255 | Service Manual - Page 20
XL-DK225 IC701 PIN VOLTAGE PIN NO (V) NO 1 3.22 51 2 3.22 52 3 0.00 53 4 0.00 54 5 0.00 55 6 3.22 56 7 0.00 57 8 0.00 58 9 0.00 59 10 0. - Sharp XL-DK255 | Service Manual - Page 21
NO (V) 1 2.20 2 2.20 3 0.00 Q706 PIN VOLTAGE NO (V) 1 0.00 2 0.00 3 3.00 Q901 PIN VOLTAGE NO (V) 1 0.00 2 3.40 3 0.00 Q905 PIN VOLTAGE NO (V) 1 0.00 2 0.00 3 0.70 XL-DK225 5 - 4 - Sharp XL-DK255 | Service Manual - Page 22
XL-DK225 -MEMO- 5 - 5 - Sharp XL-DK255 | Service Manual - Page 23
XL-DK225 CHAPTER 6. CIRCUIT SCHEMATICS AND PARTS LAYOUT [1] Notes On Schematic Diagram • Resistor: To differentiate signal given. 1. In the tuner section, indicates AM indicates FM stereo 2. In the CD section, the CD is stopped. • Parts marked with " " ( ) are important for maintaining the safety - Sharp XL-DK255 | Service Manual - Page 24
XL-DK225 [3] Schematic Diagram A B TO POWER IC SECTION C D TO CD E FROM POWER SECTION F TUNER SECTION G H 1 2 3 4 5 6 Figure 6-1: MAIN SCHEMATIC DIAGRAM (1/2) 6 - 2 - Sharp XL-DK255 | Service Manual - Page 25
XL-DK225 7 8 9 10 11 12 Figure 6-2: MAIN SCHEMATIC DIAGRAM (2/2) 6 - 3 - Sharp XL-DK255 | Service Manual - Page 26
XL-DK225 A B C D E TO MAIN SECTION TO DISPLAY F G H 1 2 3 4 5 6 Figure 6-3: POWER SCHEMATIC DIAGRAM (1/2) 6 - 4 - Sharp XL-DK255 | Service Manual - Page 27
XL-DK225 SPEAKER JACK PWB AC SUPPLY 120V ~ 60Hz 7 8 9 10 11 12 Figure 6-4: POWER SCHEMATIC DIAGRAM (2/2) 6 - 5 - Sharp XL-DK255 | Service Manual - Page 28
XL-DK225 SYSTEM MICOM REFLASH PWB A B TO PWR SECTION C D TO MAIN SECTION E F TO MAIN SECTION G H 1 2 3 4 5 6 Figure 6-5: DISPLAY SCHEMATIC DIAGRAM (1/2) 6 - 6 - Sharp XL-DK255 | Service Manual - Page 29
XL-DK225 TO MP3 SERVO TO MP3 SERVO FOR MICOM REFLASH ONLY 7 8 9 10 11 12 Figure 6-6: DISPLAY SCHEMATIC DIAGRAM (2/2) 6 - 7 - Sharp XL-DK255 | Service Manual - Page 30
XL-DK225 A B C D E F G H 1 2 3 4 5 6 Figure 6-7: CD MP3 SCHEMATIC DIAGRAM (1/2) 6 - 8 - Sharp XL-DK255 | Service Manual - Page 31
XL-DK225 7 8 9 10 11 12 Figure 6-8: CD MP3 SCHEMATIC DIAGRAM (2/2) 6 - 9 - Sharp XL-DK255 | Service Manual - Page 32
XL-DK225 A B C D E F G H 1 IPOD CONNECTION RESISTOR WITH 1% TOLERANCE 2 3 4 5 6 Figure 6-9: iPOD SCHEMATIC DIAGRAM (1/2) 6 - 10 - Sharp XL-DK255 | Service Manual - Page 33
XL-DK225 TO TRANSIT iPOD 7 8 9 10 11 12 Figure 6-10: iPOD SCHEMATIC DIAGRAM (2/2) 6 - 11 - Sharp XL-DK255 | Service Manual - Page 34
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 iPOD PWB-A4 1 12 2 4 6 8 10 12 CNPU4 1 3 5 7 9 11 BL WH BL - Sharp XL-DK255 | Service Manual - Page 35
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 - Sharp XL-DK255 | Service Manual - Page 36
XL-DK225 [5] Wiring Side Of PWB SPEAKER PWB-A3 L-CH L-CH R-CH R-CH MAIN PWB-A1 SO901 SPEAKER TERMINAL 123 4 -free solder is used in the MAIN PWB. Refer to "Precautions for handling lead-free solder" for instructions and precautions. Figure 6-13: WIRING SIDE OF MAIN PWB (TOP VIEW) (1/2) 6 - 14 - Sharp XL-DK255 | Service Manual - Page 37
XL-DK225 TRANSIT iPOD PWB-A4 2 4 6 8 10 12 1 3 5 7 9 11 1 2 3 4 5 6 7 8 9 10 11 12 2 468 1 3 5 79 2 4 6 8 1012 1 3 5 7 9 11 1 2 3 4 5 6 7 8 9 10 11121314 15 5 4 32 1 B CE 12 VIDEO/AUX IN L-CH and R-CH VIDEO OUT SUBWOOFER PRE-CUT Figure 6-14: WIRING SIDE OF MAIN PWB (TOP VIEW) (2/2) 6 - 15 - Sharp XL-DK255 | Service Manual - Page 38
XL-DK225 MAIN PWB-A1 Lead-free solder indication Lead-free solder is used in the MAIN PWB. Refer to "Precautions for handling lead-free solder" for instructions and precautions. Figure 6-15: WIRING SIDE OF MAIN PWB (BOTTOM VIEW) (1/2) 6 - 16 - Sharp XL-DK255 | Service Manual - Page 39
XL-DK225 Figure 6-16: WIRING SIDE OF MAIN PWB (BOTTOM VIEW) (2/2) 6 - 17 - Sharp XL-DK255 | Service Manual - Page 40
XL-DK225 POWER PWB-A2 5 4 6 3 7 8 2 9 1 6 54321 T.F. 8 9 10 11 12 13 14 15 16 17 BC E BK WH is used in the POWER PWB. Refer to "Precautions for handling lead-free solder" for instructions and precautions. Figure 6-17: WIRING SIDE OF POWER PWB 6 - 18 COLOR TABLE W H WHITE B K - Sharp XL-DK255 | Service Manual - Page 41
-MEMO- XL-DK225 6 - 19 - Sharp XL-DK255 | Service Manual - Page 42
XL-DK225 DISPLAY PWB-B1 51 50 49 48 47 46 45 44 43 42 41 40 39 38 37 36 4 2 Lead-free solder indication Lead-free solder is used in the DISPLAY PWB. Refer to "Precautions for handling lead-free solder" for instructions and precautions. Figure 6-18: WIRING SIDE OF DISPLAY PWB (TOP VIEW) (1/2) 6 - 20 - Sharp XL-DK255 | Service Manual - Page 43
31 30 29 28 27 26 25 24 23 22 21 20 19 18 17 16 15 14 13 12 11 10 9 8 7 6 5 4 3 2 1 XL-DK225 21 123 4 5678 9 123 1 2 4 6 8 10 12 1 3 5 7 9 11 12 3 4 5 6 7 Figure 6-19: WIRING SIDE OF DISPLAY PWB (TOP VIEW) (2/2) 6 - 21 - Sharp XL-DK255 | Service Manual - Page 44
XL-DK225 DISPLAY PWB-B1 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 2 Lead-free solder indication Lead-free solder is used in the DISPLAY PWB. Refer to "Precautions for handling lead-free solder" for instructions and precautions. Figure 6-20: WIRING SIDE OF DISPLAY - Sharp XL-DK255 | Service Manual - Page 45
24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 XL-DK225 Figure 6-21: WIRING SIDE OF DISPLAY PWB (BOTTOM VIEW) (2/2) 6 - 23 - Sharp XL-DK255 | Service Manual - Page 46
XL-DK225 HEADPHONE PWB-B2 A 1 2 34 5 B C FROM HEADPHONE D REFLASH PWB-B3 E F 8 7654321 8 7654321 VOLUME LED PWB-B4 12 G Lead-free solder indication Lead-free solder is used in the HEADPHONE, REFLASH, VOLUME LED PWB. H Refer to "Precautions for handling lead-free solder" for instructions and - Sharp XL-DK255 | Service Manual - Page 47
XL-DK225 HEADPHONE PWB-B2 A B C D VOLUME LED PWB-B4 E F G Lead-free solder indication Lead-free solder is used in the HEADPHONE, VOLUME LED PWB. H Refer to "Precautions for handling lead-free solder" for instructions and precautions. 1 2 3 4 5 6 Figure 6-23: WIRING SIDE OF HEADPHONE, - Sharp XL-DK255 | Service Manual - Page 48
13 12 1110 9 8 7 6 5 4 3 2 1 XL-DK225 iPOD PWB-C Lead-free solder indication Lead-free solder is used in the iPOD PWB. Refer to "Precautions for handling lead-free solder" for instructions and precautions. Figure 6-24: WIRING SIDE OF iPOD PWB (TOP VIEW) 6 - 26 - Sharp XL-DK255 | Service Manual - Page 49
iPOD PWB-C XL-DK225 Lead-free solder indication Lead-free solder is used in the iPOD PWB. Refer to "Precautions for handling lead-free solder" for instructions and precautions. Figure 6-25: WIRING SIDE OF iPOD PWB (BOTTOM VIEW) 6 - 27 - Sharp XL-DK255 | Service Manual - Page 50
XL-DK225 CD MP3 PWB-D 12 10 8 6 4 2 11 9 7 5 3 1 9 8765432 1 1 3 57 9 2 4 6 8 10 11 BCE 12345 6 SCREW TO CHASSIS 2 4 6 8 10 12 1 3 5 7 9 11 13 Figure 6-26: WIRING SIDE OF CD MP3 PWB (TOP VIEW) (1/2) 6 - 28 - Sharp XL-DK255 | Service Manual - Page 51
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 - - Sharp XL-DK255 | Service Manual - Page 52
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 - Sharp XL-DK255 | Service Manual - Page 53
XL-DK225 Figure 6-29: WIRING SIDE OF CD MP3 PWB (BOTTOM VIEW) (2/2) 6 - 31 - Sharp XL-DK255 | Service Manual - Page 54
XL-DK225 CHAPTER 7. FLOWCHART [1] Troubleshooting cabinet and follow the trouble shooting instructions. "Track skipping and CD optical pickup Lens cleaner disc Parts code UDSKA0004AFZZ HOW TO USE 1. Using system check 2) Tracking system check 3) Spin system check 4) PLL system check 5) Others 7 - - Sharp XL-DK255 | Service Manual - Page 55
(1) Focus-RF system check. Although a CD is inserted and the cover is closed, "NO DISC" is displayed. 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 to the PICKUP-IN Switch (NSW1) - Sharp XL-DK255 | Service Manual - Page 56
XL-DK225 (2) Focus-RF system check. Check the TE waveform at pin 16 on IC1. If the on IC1. Data cannot be read. Check the VCO-PLL (Pin26~30 on IC1) system. 3 TE 16 IC1 4 IC1 2 RFOUT (3) Spin system check. Press the OPEN/CLOSE switch without inserting a disc, and then try starting the - Sharp XL-DK255 | Service Manual - Page 57
(4) PLL system check. When a disc is loaded, start play operation. The RF waveform is normal, but the TOC data cannot be read. Check the PDOUT waveform. (Figure 6) Check around pins 26~30 on IC1. 6 28 IC1 7 27 IC1 1 22 IC1 PDOUT 0 PDOUT 1 FDO Figure 6 XL-DK225 7 - 4 - Sharp XL-DK255 | Service Manual - Page 58
XL-DK225 PARTS GUIDE MICRO COMPONENT SYSTEM MODEL XL-DK225 XL-DK225 Micro Component System consisting of XL-DK225 (main unit) and CP-DK225 (speaker system). CONTENTS [1] INTEGRATED CIRCUITS [2] TRANSISTORS [3] DIODES [4] TRANSFORMERS [5] COILS [6] CRYSTALS / VIBRATORS [7] CAPACITORS [8] RESISTORS - Sharp XL-DK255 | Service Manual - Page 59
XL-DK225 NO. PARTS CODE [1] INTEGRATED CIRCUITS IC1 IC2 IC601 IC701 IC702 IC703 IC705 IC851 IC852 IC853 ///-1 VHDHSS4148+-1 VHDHSS4148+-1 VHDMA111///-1 PRICE NEW PART RANK MARK RANK DESCRIPTION BD CD MP3 Decorder AN CD Driver AL Audio Pro System Microcomputer, IXA158AW AS FL Driver - Sharp XL-DK255 | Service Manual - Page 60
NO. PARTS CODE PRICE NEW PART RANK MARK RANK [3] DIODES D905 VHDMA111///-1 AC D906 VHDMA111///-1 AC D907 VHDMA111///-1 AC D911 VHDHSS4148+-1 AA D912 VHDMA111///-1 50V 0.1 µF,16V 100pF(CH),50V 100pF(CH),50V 100pF(CH),50V 100pF(CH),50V 100pF(CH),50V 100pF(CH),50V 2 DESCRIPTION XL-DK225 - Sharp XL-DK255 | Service Manual - Page 61
XL-DK225 NO. PARTS CODE [7] CAPACITORS C54 C55 C56 C57 C58 C59 C60 C61 C62 C63 C64 VCKYCY1HB102K VCKYCY1HB102K VCCCCY1HH271J VCEAZA1HW474M VCCCCY1HH820J VCEAZA1HW226M VCKYCY1EF104Z VCKYCY1HB103K VCCCCY1HH271J VCCCCY1HH271J PRICE NEW PART RANK MARK RANK AB 0.1 µF,16V AB 0.1 µF,16V - Sharp XL-DK255 | Service Manual - Page 62
CY1JB000J VRS-CY1JB000J VRS-CY1JB000J VRS-CY1JB000J VRS-CY1JB000J VRS-CY1JB000J VRS-CY1JB000J VRS-CY1JB000J PRICE NEW PART RANK MARK RANK DESCRIPTION AA 270pF(CH),50V AC 10 µF,50V,Electrolytic AA 0.1 µF, AA 0 ohms,Jumper,0.8x1.55mm,Green AA 0 ohms,Jumper,0.8x1.55mm,Green 4 XL-DK225 - Sharp XL-DK255 | Service Manual - Page 63
XL-DK225 NO. PARTS CODE [8] RESISTORS JP902 JP903 JP904 L101 R1 R2 R3 R4 R5 R6 VRD-ST2CD102J VRD-ST2CD102J VRD-ST2CD562J VRD-ST2CD562J VRS-CY1JB822J VRS-CY1JB822J VRS-CY1JB333J VRS-CY1JB333J PRICE NEW PART RANK MARK RANK DESCRIPTION AA 0 ohms,Jumper,0.8x1.55mm,Green AA 0 ohms,Jumper,0.8x1. - Sharp XL-DK255 | Service Manual - Page 64
-CY1JB102J VRS-CY1JB102J VRD-ST2CD102J VRD-ST2CD102J VRD-ST2CD102J VRS-CY1JB102J VRS-CY1JB102J VRS-CY1JB102J PRICE NEW PART RANK MARK RANK DESCRIPTION AA 2.2 kohms,1/16W AA 2.2 kohms,1/6W AA 6.8 kohms 6W AA 1 kohms,1/6W AA 1 kohms,1/16W AA 1 kohms,1/16W AA 1 kohms,1/16W 6 XL-DK225 - Sharp XL-DK255 | Service Manual - Page 65
XL-DK225 NO. PARTS CODE [8] RESISTORS R788 VRS-CY1JB102J R789 VRD-ST2CD102J R790 -CY1JB000J RD01 VRS-CY1JB182J RD02 VRD-ST2CD222J RD03 VRD-ST2CD332J RD04 VRS-CY1JB562J RD05 VRS-CY1JB103J PRICE NEW PART RANK MARK RANK DESCRIPTION AA 1 kohms,1/16W AA 1 kohms,1/6W AA 1 kohms,1/6W - Sharp XL-DK255 | Service Manual - Page 66
NO. PARTS CODE PRICE NEW PART RANK MARK RANK DESCRIPTION [8] RESISTORS RD06 VRS-CY1JB182J AA RD07 VRS-CY1JB222J AA RD08 VRS-CY1JB182J AA RD09 VRD-ST2CD222J Fuse Holder Fuse Holder Fuse Holder Fuse Holder Fuse Holder Fuse Holder Fuse Holder Fuse Holder Fuse Holder Fuse Holder 8 XL-DK225 - Sharp XL-DK255 | Service Manual - Page 67
XL-DK225 NO. PARTS CODE PRICE NEW PART RANK MARK RANK DESCRIPTION [9] OTHER CIRCUITRY PARTS FL701 Socket, Sub Woofer Pre Out Lug Terminal Lug Terminal Lug Terminal Lug Terminal Lug Wire Relay,Power Relay Remote Sensor Speaker Jack Switch,Key Type [ DISC 4 ] Switch,Key Type [ DISC 5 ] Switch, - Sharp XL-DK255 | Service Manual - Page 68
-MEMO- XL-DK225 10 - Sharp XL-DK255 | Service Manual - Page 69
XL-DK225 [10] CABINET PARTS / CD MECHANISM PARTS A 206x5 B C D CD CHANGER MECHANISM UNIT 229 CD MECHANISM WITH CUSHION 304 301 303 609x2 302 303 602x4 208 217 205 613x2 608x2 PWB-D 608x3 608x2 - Sharp XL-DK255 | Service Manual - Page 70
PARTS CODE PRICE NEW PART RANK MARK RANK DESCRIPTION [10] CABINET PARTS / CD MECHANISM PARTS Front Panel Panel, FL Display Badge, SHARP Button, Function, A Button, Disc ) Changer Mechanism Unit Bracket, PWB Support Sheet, PC CD Mechanism Unit Cushion Cushion PARTS, ITEM NO. ARE 3XX XL-DK225 12 - Sharp XL-DK255 | Service Manual - Page 71
XL-DK225 [11] SPEAKER BOX PARTS A B C D E F G H 1 2 3 4 5 6 13 - Sharp XL-DK255 | Service Manual - Page 72
[12] ACCESSORIES / PACKING PARTS 92LFANT1535A AF QANTL0010AWZZ AP RRMCGA133AWSA AR TINSEA191AWZZ AF TINSZA282AWZZ AD TINSKA029AWZZ UACRTA008AW01 AP FM Antenna AM Loop Antenna Remote Control Operation Manual [For America] Quick Guide [For America] Operation Manual [For Canada] Adaptor - Sharp XL-DK255 | Service Manual - Page 73
XL-DK225 [12] ACCESSORIES / PACKING PARTS PACKING METHOD (FOR U.S.A. ONLY) UNIT Polyethylene Bag,Unit Loop Antenna FM Antenna Adaptor Accessories Polyethylene Bag,Accessories SSAKAA011AWZZ Remote Control Operation Manual Quick Guide B FRONT A Packing Case SPAKCA470AWZZ Front of Packing Case - Sharp XL-DK255 | Service Manual - Page 74
XL-DK225 - Sharp XL-DK255 | Service Manual - Page 75
XL-DK225 COPYRIGHT 2007 BY SHARP CORPORATION ALL RIGHTS RESERVED. No part of this publication may be reproduced, stored in a retrieval system, or transmitted in any form or by any means, electronic, mechanical, photocopying, recording, or otherwise, without prior written permission of the publisher.
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XL-DK225
This document has been published to be used for
after sales service only.
The contents are subject to change without notice.
PRECAUTIONS FOR USING LEAD-FREE SOLDER
CHAPTER 1. GENERAL DESCRIPTION
[1]
Important Service Safety Precaution
...........
1-1
[2]
Specifications
...............................................
1-1
[3]
Names Of Parts
...........................................
1-2
CHAPTER 2. 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. MECHANICAL DESCRIPTION
[1]
Removing And Reinstalling The Main Parts
.....................................................................
3-1
[2]
Disassembly
................................................
3-2
CHAPTER 4. BLOCK DIAGRAM
[1]
Block Diagram
.............................................
4-1
CHAPTER 5. CIRCUIT DESCRIPTION
[1]
Waveforms Of Servo Circuit
........................
5-1
[2]
IC Voltage
....................................................
5-3
CHAPTER 6. CIRCUIT SCHEMATICS AND PARTS
LAYOUT
[1]
Notes On Schematic Diagram
.....................
6-1
[2]
Types Of Transistor And LED
......................
6-1
[3]
Schematic Diagram
.....................................
6-2
[4]
Charts Of Connecting Wires
......................
6-10
[5]
Wiring Side of PWB
...................................
6-12
CHAPTER 7. FLOWCHART
[1]
Troubleshooting
...........................................
7-1
CHAPTER 8. OTHER
[1]
Function Table Of IC
....................................
8-1
[2]
FL Display
....................................................
8-9
PARTS GUIDE
SERVICE MANUAL
No. S7734XLDK225/
Parts marked with "
" are important for maintaining the safety of the set. Be sure to replace these parts with
specified ones for maintaining the safety and performance of the set.
CONTENTS
!
MICRO COMPONENT SYSTEM
MODEL
XL-DK225 Micro Component System consisting of
XL-DK225 (main unit) and CP-DK225 (speaker system).
XL-DK225
• In the interests of user-safety (Required by safety regulations in
some countries) the set should be restored to its original condition
and only parts identical to those specified be used.
SHARP CORPORATION