LG-DVD3230N-cd-sm 维修电路原理图.pdf
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1、Top View.4-1Top View(without Tray Disc).4-1Bottom View .4-11. Holder Clamp.4-21-1. Clamp Assembly Disc.4-21-1-1. Plate Clamp .4-21-1-2. Magnet Clamp .4-21-1-3. Clamp Upper.4-22. Tray Disc.4-23. Base Assembly Sled.4-33-1. Gear Assembly Feed.4-33-2. Gear Assembly Middle.4-33-3. Gear Assembly Rack.4-34
2、. Rubber Rear.4-35. Frame Assembly Up/Down.4-46. Belt Loading.4-47. Gear Pulley .4-48. Gear Loading.4-49. Guide Up/Down.4-410. PWB Assembly Loading.4-411. Base Main.4-41. Tools and Fixtures for SVC.4-52. Install Process.4-53. Adjustment Process.4-61. Deck Mechanism Exploded View.4-7CONTENTSSECTION 4
3、 MECHANISMDECK MECHANISM PARTSLOCATIONSEXPLODED VIEWDECK MECHANISM ADJUSTMENTDECK MECHANISMDISASSEMBLYRadioFans.CN 收音机爱 好者资料库4-1DECK MECHANISM PARTS LOCATIONStarting No.11, 21, 2, 31, 2, 3, 411, 61, 2, 61, 2, 6, 81, 2, 6, 8,91, 2, 71, 2, 71, 21, 2 ,131, 2, 13, 141, 2, 7, 12, 13, 141, 2, 131, 2, 7, 1
4、2, 13,14, 15, 16, 17123456789101112131415161718HolderClampClamp AssemblyDiscPlate ClampMagnet Clamp Clamp UpperTray DiscBase Assembly SledGear AssemblyFeedGearMiddleGear AssemblyRackRubber RearFrame AssemblyUp/DownBelt LoadingGear PulleyGear LoadingGuide Up/DownPWB AssemblyLoadingBase Main2 Screws,2
5、 Locking Tabs4 Screws,1 Connector1 Locking Tabs1 Screw1 Screw1 Locking Tab1 Locking Tab1 Locking Tab1 Hook2Screw2 Locking Tabs4-14-14-14-14-14-24-34-34-34-34-34-44-44-44-44-44-44-4BottomBottom ProcedurePartsFixing TypeFig-ureDisassemblyNoteWhen reassembling, perform the procedure inreverse order.The
6、 “Bottom” on Disassembly column of aboveTable indicates the part should be disassembledat the Bottom side. Top View (Without Tray) Bottom View Top View (With Tray)RadioFans.CN 收音机爱 好者资料库4-2DECK MECHANISM DISASSEMBLY1.Holder Clamp (Fig. 4-1)1) Release 2 Screws(S1).2) Unhook 2 Locking Tabs(L1).3) Lift
7、 up the Holder Clamp and then separate it from theBase Main.1-1. Clamp Assembly Disc1) Place the Clamp Assembly Disc as Fig. (A)2) Lift up the Clamp Assembly Disc in direction ofarrow(A).3) Separate the Clamp Assembly Disc from the HolderClamp.1-1-1. Plate Clamp1) Turn the Plate Clamp to countercloc
8、kwise direction andthen lift up the Plate Clamp.1-1-2. Magnet Clamp1-1-3.Clamp Upper2. Tray Disc (Fig. 4-2)1) Insert and push a Driver in the emergency ejecthole(A) at the right side, or put the Driver on theLever(B) of the Gear Emergency and pull the Lever(B) in direction of arrow so that the Tray
9、Disc is ejectedabout 1520mm.2) Pull the Tray Disc until it is separated from the BaseMain completely.BASE MAINHOLDER CLAMPHOLDER CLAMPCLAMP ASSEMBLY DISCHOLDER CLAMPPLATE CLAMP(S1)(S1)(A)(L1)(L1)(Fig. A)MAGNET CLAMPCLAMP UPPER(B)LEVERBOTTOM SIDE VIEWEMERGENCY EJECT HOLE(A)TRAY DISCBASE MAINBASE MAIN
10、Fig. 4-1Fig. 4-24-3DECK MECHANISM DISASSEMBLY(L2)(S2)(C1)(S2)(S2)(S2)(S3)GEAR ASSEMBLY RACKPICK UP ASSEMBLY GENERALGEAR MIDDLEGEAR ASSEMBLY FEEDBASE PU(OUTSERT)RUBBER REARGEAR ASSEMBLY FEEDGEAR MIDDLEGAER ASSEMBLY RACKMOTOR ASSEMBLY SPINDLEPICK UP ASSEMBLY GENERALMOTOR ASSEMBLY SPINDLE3.Base Assembl
11、y Sled (Fig. 4-3)1) Release 4 Screw(S2).2) Disconnect the FFC Connector(C1)3-1. Gear Assembly Feed1) Unhook the Locking Tab(L2) in direction of arrow.3-2. Gear Middle3-3. Gear Assembly Rack1) Release the Scerw(S3)4. Rubber Rear (Fig. 4-3) Fig. 4-34-4DECK MECHANISM DISASSEMBLY(B)(S5)(L6)(L4)(L5)(A)(L
12、3)(A)(L6)(H1)(C2)(L6)FIG. (B)GUIDE UP/DOWNBASE MAINBASE MAINPWB ASSEMBLY LOADINGGEAR LOADINGBELT LOADINGFRAME ASSEMBLY UP/DOWNGUIDE UP/DOWNGUIDE UP/DOWNGUIDE UP/DOWN(A)(B)(S4)FIG. (C)FIG. (A)(B)(C)GEAR PULLEYFig. 4-45. Frame Assembly Up/DownPut the Base Main face down(Bottom Side)1) Release the Scre
13、w(S4)2) Unlock the Locking Tab(L3) in direction of arrow andthen lift up the Frame Assembly Up/Down to separateit from the Base Main. When reassembling move the Guide Up/Down in directionof arrow(C) until it is positioned as Fig.(C). When reassembling insert (A) portion of the FrameAssembly Up/Down
14、in the (B) portion of the GuideUp/Down as Fig.(B)6. Belt Loading(Fig. 4-4)Put the Base Assembly Main on original position(Top Side)7. Gear pulley (Fig. 4-4)1) Unlock the Locking Tab(L4) in direction of arrow(B) andthen separate the Gear Pulley from the Base Main.8. Gear Loading (Fig. 4-4)9. Guide Up
15、/Down (Fig. 4-4)1) Move the Guide Up/Down in direction of arrow(A) asFig.(A)2) Push the Locking Tab(L5) down and then lift up theGuide Up/Down to separate it from the Base Main.When reassembling place the Guide Up/Down as Fig.(C)and move it in direction arrow(B) until it is locked by theLocking Tab(
16、L5). And confirm the Guide Up/Down as Fig.(A)10. PWB Assembly LoadingPut the Base Main face down(Bottom Side)1) Release 2 Screws(S5)2) Unkool the Loading Motor Connector (C2) from theHook (H1) on the Base Main.3) Unlock 2 Locking Tabs(L6) and separate the PWBAssembly Loading from the Base Main.11. B
17、ase Main(Fig. 4-4)NoteNoteNoteNoteNote4-5DECK MECHANISM ADJUSTMENT1. Tools and Fixtures for SVC For SVC Program Down-Load For T-Skew and R-Skew Adjustment2. Install Process1. Connect Fig. 1, 2, 3 as Fig. 7.2. Plug out the Power cord of DVD set.3. Connect FFC Cable(Fig.2) to the Connector on DVD Set(
18、Fig.8)4. Connect Printer Cable(Fig.1) to the P.C.Printer Port (LPT1).5. Plug in the DVD Power cord.6. Press the Menu key on Remocon.7. Confirm No.1 LED(RED Color) of Jig board is ON. (Fig.9)8. Perform The S/W for Down-load at P.C.9. Open the Program File for Adjusting(Fig.10)10. Click the Down-load
19、Icon and perform Program Down-load.11. Displayed remaining time.12. Confirm LED No.1(RED) and No.2(GREEN) is ON.13. Plug out the DVD Set Power cord.14. Disconnect the FFC Cable.Fig.1. Printer CableFig.2. FFC Cable (15 pin)Fig.3. Jig BoardFig.4. Deviation Disc (0.8mm)Fig.5. L-Wrench(3mm)Fig.6. RCA Ja
20、ckFig.7. Connecting MethodREDGREENREDRom SizeFile Help16MBit6M BitLPT1Manual953826Bytesmd _bas_ntsc.binLPT2PortFILE NAMEOPENDOWN LOADCLOSEFig.8. FFC Cable ConnectingFig.9. Jig Board LED ConditionFig.10. Adjusting Program File OpenM E M O4-6DECK MECHANISM ADJUSTMENT3. Adjustment Procedure1. Insert Di
21、sc(Only Open/Close Key Pressing)2. Wait Until the Sector Display is about 200,000 (Fig.11)3. Adjust R-Skew adjusting Point until the Error rate hasMinimum rate with L-wrench (3mm).4. Adjust T-Skew Adjusting Point until the Error rate hasMinimum rate.5. Repeat No. 3, 4 adjusting procedure until the E
22、rror ratehave Minimum rate.6. Error rate; SVC-3561 Disc=below 30 and TDV-533Disc=below 100. If not, Please confirm Play ability onscreen.# You can watch the screen when pressing the Stop keyafter the Adjusting is finished, Then perform Play andScan/Skip operation at Chapter1 and Chapter16 andconfirm
23、 screen condition, normal or abnormal. Please obtain these software for Adjusting through ourGlobal Cyber Service Center(GCSC). The location is http:/& Web Site for End users& Software updates & Product : DVD Player & Search. R-SKEW ADJUSTING HOLET-SKEW ADJUSTING HOLEFig.12. Adjusting MethodFig.11.
24、Adjusting Screen Display0045SECTOR : 20014500650045SECTOR : 2001450065CURRENT PICK UP POSITIONERROR RATE SIZEERROR RATE (HEXADEAMAL)AVERAGE ERROR RATE4-74-8EXPLODED VIEWS1. Deck Mechanism Exploded View002001003004429429026018008009016012430430430430432020430011017014013015431A01A02A031-3CAUTION : DO
25、 NOT ATTEMPT TO MODIFY THIS PRODUCT IN ANY WAY,NEVER PERFORM CUSTOMIZED INSTALLATIONS WITHOUT MANUFAC-TURERS APPROVAL. UNAUTHORIZED MODIFICATIONS WILL NOT ONLYVOID THE WARRANTY, BUT MAY LEAD TO YOUR BEING LIABLE FOR ANYRESULTING PROPERTY DAMAGE OR USER INJURY.SERVICE WORK SHOULD BE PERFORMED ONLY AF
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