Aiwa-XRMDK505-cs-sm维修电路原理图.pdf

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1、SERVICE MANUALDATAMD/CD STEREOSYSTEMXR-MDK505S/M Code No. 09-00A-351-2N1HRJ(S)BASIC TAPE MECHANISM : 2ZM-1 R11NMBASIC CD MECHANISM : 3ZG-3 E3NMBASIC MD MECHANISM : AZG-4 YASYSTEM SPEAKERREMOTE CONTROLXR-MDK505SX-M510 YRC-AAT18If requiring information about the MD mechanism, see Service Manual of AZG

2、-4YA,(S/M Code No.09-001-341-2N2).RadioFans.CN 收音机爱 好者资料库-2-TABLE OF CONTENTSSPECIFICATIONS.2ACCESSORIES LIST .4PROTECTION OF EYES FROM LASER BEAM DURING SERVING .5DISASSEMBLY INSTRUCTIONS .6 9SERVICE JIG AND TOOLS.10NOTES DURING RE-ASSEMBLING . 11CD TEST MODE .12MD TEST MODE .13 26ELECTRICAL MAIN P

3、ARTS LIST .27 33TRANSISTOR ILLUSTRATION.34SCHEMATIC DIAGRAM - 1 (MAIN SECTION) .35SCHEMATIC DIAGRAM - 2 (FRONT SECTION).38SCHEMATIC DIAGRAM - 3 (VCD - 1/2 SECTION) .41SCHEMATIC DIAGRAM - 4 (VCD - 2/2 SECTION) .42SCHEMATIC DIAGRAM - 5 (TUNER SECTION).45WIRING - 1 (MAIN C.B) .36WIRING - 2 (PT 1, 2 C.B

4、) .37WIRING - 3 (FRONT, SWITCH-1,2 C.B) .39WIRING - 4 (FACE-A, B, C C.B) .40WIRING - 5 (VCD, VIDEO OUT, CD LOAD,CD DRIVE C.B) .43WIRING - 6 (DECK, RELAY C.B) .44WIRING - 7 (TUNER C.B) .46IC BLOCK DIAGRAM .47 51IC DESCRIPTION .52 66FL DISPLAY .67 68ADJUSTMENT(TUNER/DECK/MAIN) .69 71MECHANICAL EXPLODE

5、D VIEW 1/1 .72MECHANICAL MAIN PARTS LIST 1/1.73COLOR NAME LIST.74TAPE MECHANISM EXPLODED VIEW 1/1 .75TAPE MECHANISM PARTS LIST 1/1 .76CD MECHANISM EXPLODED VIEW 1/2 .77CD MECHANISM PARTS LIST 1/2 .78CD MECHANISM EXPLODED VIEW 2/2 .79CD MECHANISM PARTS LIST 2/2 .79SPEAKER DISASSEMBLY INSTRUCTIONS .80

6、SPEKAER PARTS LIST .81RadioFans.CN 收音机爱 好者资料库-3-SPECIFICATIONS Design and specifications are subject to change without notice. The word “BBE” and the “BBE symbol” are trademarks of BBESound, Inc. Under license from BBE Sound, Inc. Dolby noise reduction manufactured under license from Dolby Labo-rato

7、ries Licensing Corporation. “DOLBY”, and the double-D symbol are trademarks of DolbyLaboratories Licensing Corporation.RadioFans.CN 收音机爱 好者资料库-4-REF. NOPART NO.KANRIDESCRIPTIONNO.ACCESSORIES LIST 1 8A-CB4-901-010 IB,H(EC)M 2 8A-CB4-951-010 RC UNIT,RC-AAT18 3 87-006-225-010 AM LOOP ANT NC2 4 87-043-1

8、15-010 ANT,FEEDER FM 5 87-050-103-010 CORD,PIN 1PY1.5M 6 87-A91-017-010 PLUG,CONVERSION JT-0476RadioFans.CN 收音机爱 好者资料库-5-PROTECTION OF EYES FROM LASER BEAM DURING SERVICINGCLASS 1LASER PRODUCTKLASSE 1LASER PRODUKTLUOKAN 1LASER LAITEKLASS 1LASER APPARATThis set employs laser. Therefore, be sure to fo

9、llow carefullythe instructions below when servicing.WARNING!WHEN SERVICING, DO NOT APPROACH THE LASEREXIT WITH THE EYE TOO CLOSELY. IN CASE IT ISNECESSARY TO CONFIRM LASER BEAM EMISSION.BE SURE TO OBSERVE FROM A DISTANCE OF MORETHAN 30cm FROM THE SURFACE OF THE OBJEC-TIVE LENS ON THE OPTICAL PICK-UP

10、 BLOCK. VAROITUS!VARNING! CAUTIONUse of controls or adjustments or performance of proce-dures other than those specified herin may result inhazardous radiation exposure.ATTENTIONADVARSEL This Compact Disc player is classified as a CLASS 1LASER product.The CLASS 1 LASER PRODUCT label is located on th

11、erear exterior.(KSS-213F, KMS-260B)Body or clothes electrostatic potential couldruin laser diode in the optical block. Be sureground body and workbench, and use care theclothes do not touch the diode.1) After the connection, remove solder shown inthe figure below.MD PICK-UP Assy P.W.B(KMS-260B)CD PI

12、CK-UP Assy P.W.B(KSS-213F)SolderVEETRK-PatternSolderPrecaution to replace Optical block 121RadioFans.CN 收音机爱 好者资料库-6-2) Remove the six screws ( 1 -4, 2 -2) and remove the PANEL, SIDE L.PANEL, SIDE RPANEL, SIDE LPANEL, TOP ASSY1111221111221112DISASSEMBLY INSTRUCTION -1/43) Remove the three screw 1 an

13、d lift up the PANEL, TOP ASSY 2 .4) Remove the two connectors and remove the PANEL, TOP ASSY.1. Removing the outside appearance parts1) Remove the six screws ( 1 -4, 2 -2) and remove the PANEL, SIDE R.RadioFans.CN 收音机爱 好者资料库-7-DISASSEMBLY INSTRUCTION -2/46) This is the state after the outside appear

14、ance parts are removed.PWB, CD ACB-4PWB, MAIN ASSYCABI, REAR2135) Remove the 12 screws and remove the CABI, REAR.Remove the connector from FAN from MAIN C.B.2. Removing the PWB, CD ACB-41) Remove the five screws, pull out the FFC and other parts,then remove the PWB, CD ACB-4.The one screw is behind

15、the shield paper.3. Removing the PWB, MAIN ASSY1) Remove the screw 1 , then remove the connector 2 and the FFC 3 of the MD block.RadioFans.CN 收音机爱 好者资料库-8-2) Remove the screw 1 and remove the PWB, MAIN ASSY in the direction of the arrow 2 .(The board is hooked.While lifting up the HOOK, remove the b

16、oard.)CHAS,MDCHAS,MDHOOK122112CABI, FR ASSY112PWB,MAIN ASSYDISASSEMBLY INSTRUCTION -3/44. Removing the FRONT block1) Remove the screw 1 securing the CAB, FR ASSY and remove the screw 2 securing the CHAS, MD.2) Remove the screw 1 securing the CAB, FR ASSY and remove the screw 2 securing the CHAS, MD.

17、3) Remove the two screws 1 and remove the CABI, FR ASSY in the direction of arrow 2 .RadioFans.CN 收音机爱 好者资料库-9-AZG-43ZG-3211113ZG-3DISASSEMBLY INSTRUCTION -4/44) This is the state after the PWB, MAIN ASSY and CABI, FRONT ASSY are removed.5. Removing the MD block (AZG-4)1) Remove the four screws and

18、remove the MD block.6. Removing the CD block (3ZG-3)1) Remove the four screws 1 and remove the CD block 2 .2) This is the state after the CD block is removed.RadioFans.CN 收音机爱 好者资料库-10-SERVICE JIG AND TOOLSUsing the FFC for extension enables the CD/MD mechanism to be repaired when the power supply i

19、s turned on. (Refer to the below figure.) 1 FFC, 8P-1.25 88-908-401-110 2 FFC, 8P-1.0 SV-J00-043-010 3 FFC, 14P-1.0 SV-J00-044-010MDCD213RadioFans.CN 收音机爱 好者资料库-11-NOTES DURING RE-ASSEMBLINGWhen assemble the magical change panel, adjust the phase of the gear.1. Phase adjustment of the GEAR, OPE 1 an

20、d GEAR, WORM WHEEL. 1) Align holes 1 . 2) Then, move the position of the holes of each gear as shown by 2 in the illustration.2. Installation Procedure of HLDR, GEAR ASSY 1) Position the panel side so that it faces front as shown in the illustration. 2) Install the HLDR, GEAR ASSY.GEAR,WORM WHEELHLD

21、R,GEARHLDR,GEAR ASSYPosition the HLDR GEAR ASSYso that it faces the front.GEAR,OPE 1RadioFans.CN 收音机爱 好者资料库-12-CD TEST MODE1. How to Active CD Test ModeWhile pressing the CD function button, insert the AC plug to the outlet.When the test mode starts, all indicators in the display will light.2. How t

22、o Cancel CD Test ModePress other function button or power button, or disconnect the AC plug.3. CD Test Mode functionsNoMODEOperationOperationChecking itemFL display13245CDCDTEST(00 00 00)4. Overview of Operation The each mode can be operated one after another using each button in the order that is s

23、hown by arrow mark in the illustration from the Start mode.FL itemMicroprocessorAPC circuitLaser currentFocus search waveformFocus error waveform(FOK and FZC are not monitored inthe search mode)Focus servoTracking servoSled servoSpindle servoFOKRF waveformTracking servoTraverse waveformSled circuitM

24、echanismTurning off/on repeats each time tracking servo OFF/ON is pressedNormal playbackIf TOC cannot be read, focus searchof 2 is continuedPickup moves to the outermost track *3Pickup moves to the innermost track (normal)Normaltime displaySled modeTraversemodeSearchmodePlay modeStart modeAll lightL

25、D lightsContinuous focus search *1 *2Normal timedisplay(spectrum analyzer)* Note 1: The driver IC (IC501) heats up and the protection circuit starts working when the focus search is continued for10 minutes or longer. There can be a case that operations cannot be preformed correctly.In such a case, t

26、urn off the main power. After cooling down, restart the unit. * Note 2: When checking the lens operation by eye, slightly open the CD cover by hand: The search mode will be released if the CD cover is opened by pressing the OPEN button.Search modeStart modeAll display lightsPlay modeTraverse modeRad

27、ioFans.CN 收音机爱 好者资料库-13-MD TEST MODE - 1/14OPERATION PANELPULLEYPWB, CDThe test mode has the following contents: 1. Starting MD Test Mode 2. Checking MD Test Mode and Audio Output 3. Releasing MD Test Mode 4. Switching to Servo Standby Mode 5. Checking Sled Feed Operation 6. Checking Laser Power 7.

28、Checking Loading Mechanism Operation and Detection Switch 8. Checking Servo Operation 8-1 Checking focus search/spindle kick 1 8-2 Checking focus search/spindle kick 2 (checking S-curve) 8-3 Checking focus servo and sled error (EF balance) 8-4 Checking all servo on 9. Checking Address and Error Rate

29、10. Erasing U-TOC (User TOC)1. Starting MD Test ModeWhile holding down the “MD” function key, plug the power cord into AC outlet.Cautions: 1)While the test mode is started, the abnormality in mechanism is ignored and operation is performed: If any abnormality isdetected in operation, immediately unp

30、lug the power cord.2)During test mode, normal playback or recording is not possible.Key Operation in Test Mode and MD Electrical Adjustment:After the test mode has started, the operation panel will not turn. Perform key operation using either of the following procedures: Key operation on remote cont

31、rol Turn the pulley on PWB, CD so that key operation on MD EDIT STAGE on the operation panel is possible. (See the figure below)RadioFans.CN 收音机爱 好者资料库-14-2. Checking MD Test Mode and Audio Output1) After the test mode has started, the display will be as follows, and the test mode can be used.2) Che

32、cking audio outputA 1kHz, -17dB (140mV) signal is output from the MD mechanism output (D/A OUT). The speaker output level is determined bythe sound volume before the test mode has started.3. Releasing MD Test Mode1) Press the MD EJECT key to remove the disc.2) Unplug the power cord from the AC outle

33、t. * If the test mode is released using the procedure other than above, the operation may not be normal when power is turned on again.In this case, unplug the power cord.4. Switching to Servo Standby ModePressing the STOP key after starting test mode will switch to the servo standby mode (ALL SV OFF

34、 will light in the display): This modewill be switched to each mode. Pressing the STOP key in each mode will return the display to ALL SV OFF.5. Checking Sled Feed OperationPress the B-SKIP or F-SKIP key in the “ALL SV OFF” status: The lens and pickup will move to the inner or outer circumference. I

35、f theINSIDE LIMIT SW is pressed when the pickup moves to the innermost circumference, “JAZZ” will light.Pickup moves to outer circumferencePickup moves to inner circumference(“JAZZ” will lighton the innermost circumference)6. Checking Laser Power1) Each time the MD EDIT key is pressed in the “ALL SV

36、 OFF” status, laser power can be switched.The display will switch as follows:ALL SV OFF: Laser offLASER READ: Laser read power (approx. 0.68 mW)LASER1/2: Laser 1/2 read power (approx. 0.34 mW)LASER WRITE: Laser write power (approx. 6.8 mW)2) After checking, press the MD EDIT key to set to the “ALL S

37、V OFF” status.MD TEST MODE - 2/14RadioFans.CN 收音机爱 好者资料库-15-7. Checking Loading Mechanism Operation and Detection Switch7-1 Checking loading mechanism operationEach time the CD MD key or MD EJECT key is pressed after MO disc is inserted in the “ALL SV OFF” status, OWH can bemoved down or up.CD MD ke

38、y: OWH down (during loading)MD EJECT key: OWH up (during loading)/unloading* Caution: Do not move down OWH when inserting pre-mastered disc, such as test disc (TGYS-1) or prerecorded disc.7-2 Checking detection switchThe display shows REFLECT SW, REC PROTECT SW, INSIDE LIMIT SW and disc mode (PIT, M

39、O) selection.“JAZZ” lights: INSIDE LIMIT SW is on. Pickup is on the innermostcircumference.“POP” lights: REFLECT SW is on. When high reflectance disc (test disc,etc.) is inserted.“AUTO MARK” lights: Disc mode PIT is selected“ROCK” lights: REC PROTECT SW is on. When MO disc is inserted (RECPROTECT)“T

40、IME MARK” lights: Disc mode GRV is selected8. Checking Servo Operation8-1 Checking focus search/spindle kick 11) Press the PLAY key in the “ALL SV OFF” status and with no disc inserted: Focus search and spindle kick will be simultaneously performed. The display will show “FOCUS SRCH”.2) After checki

41、ng, press the STOP key to set to the “ALL SV OFF” status.8-2 Checking focus search/spindle kick 2 (checking S-curve)1) Press the “TUNER” function key in the “ALL SV OFF” status: Focus search and spindle kick will be simultaneously performed. The display will show “FOCUS CHECK”. Since this operation

42、will be repeated whether disc is inserted or not, the S-curve can be checked with a disc inserted.2) After checking, press the STOP key to set to the “ALL SV OFF” status.MD TEST MODE - 3/14RadioFans.CN 收音机爱 好者资料库-16-8-3 Checking focus servo and sled error (EF balance)1) Insert disc.2) Press the MD M

43、ODE key to set the disc mode as follows to match the disc. PIT DISC: “SELECT PIT” lights in the display MO DISC: “SELECT GRV” lights in the display3) Press the PLAY key.If the focus servo is normal, “FOCUS SRCH” will light in the display and then “FOCUS ON!” will light, after which the focusservo wi

44、ll turn on.4) Press the DISPLAY button while “FOCUS ON!” is lit: “S.ERR=$*” will light in the display, and DC offset check of EF balancewill be possible.S.ERR: Sled error (EF balance, DC offset). Normal if the value varies in the rangeof 70-89 centering on $80.5) After checking, press the STOP key t

45、o set to the “ALL SV OFF” status.8-4 Checking all servo on1) Press the ENTER key while “FOCUS ON!” is lit: The tracking/sled servo will turn on, and all servo will operate.If all servo is normal, “ALL SV ON” will light in the display.2) After checking, press the STOP key to set to the “ALL SV OFF” s

46、tatus.9. Checking Address and Error Rate1) Press the DISPLAY key while “ALL SV ON” is lit: The address and error rate can be checked.Address display: Displays the address being read with all servo on.Error rate display: Error rate displayed in 4 digits on the left (normal with 0030 orless)Focus bias

47、: Fixed to “F.BIAS=$00”MD TEST MODE - 4/14RadioFans.CN 收音机爱 好者资料库-17-MD TEST MODE - 5/142) Refer to the adjustment item for recording/playback error rate.Press the T-BASS key on remote control: The recording address can be switched: Pressing T-BASS while “ALL SV OFF” is lit inthe display will switch

48、 the address between 600C and 30C (nothing will light in the display).The disc inner circumference can be checked using 30C, and the outer circumference can be checked using 600C.10. Erasing U-TOC (User TOC)This procedure erases the disc with which “U-TOC ERROR”, etc. lights in the display to make i

49、t blank.1) Insert MO disc.2) Press the F-SKIP or B-SKIP key to move the pickup to the middle position of disc.3) Press the MD MODE key to cause “SELECT GRV” to light in the display.4) Press the PLAY key to cause “FOCUS ON!” to light in the display.5) Press the ENTER key to cause “ALL SV ON” to light

50、 in the display.6) Press the TAPE REC/REC MUTE key: “UTOC ERASE” will light in the display.7) When “ALL SV OFF” lights in the display, U-TOC erasure will be complete.RadioFans.CN 收音机爱 好者资料库-18-MD TEST MODE - 6/14MD Electrical AdjustmentPerform all adjustments and checks of MD block in the test mode.