Pioneer-XRA550MD-cs-sm 电路图 维修手册.pdf

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1、ORDER NO. PIONEER ELECTRONIC CORPORATION 4-1, Meguro 1-Chome, Meguro-ku, Tokyo 153-8654, Japan PIONEER ELECTRONICS SERVICE, INC. P.O. Box 1760, Long Beach, CA 90801-1760, U.S.A. PIONEER ELECTRONIC (EUROPE) N.V. Haven 1087, Keetberglaan 1, 9120 Melsele, Belgium PIONEER ELECTRONICS ASIACENTRE PTE. LTD

2、. 253 Alexandra Road, #04-01, Singapore 159936 ? ? ? ? ? ? PIONEER ELECTRONIC CORPORATION 1999c XR-A550MD RRV2107 1. SAFETY INFORMATION.2 2. EXPLODED VIEWS AND PARTS LIST.3 3. SCHEMATIC DIAGRAM.16 4. PCB CONNECTION DIAGRAM.42 5. PCB PARTS LIST.62 6. ADJUSTMENT.70 CONTENTS 7. GENERAL INFORMATION . 92

3、 7.1 PARTS.92 7.1.1 IC.92 7.1.2 DISPLAY.94 7.2 DIAGNOSIS.96 7.2.1 DISASSEMBLY . 96 7.2.2 DETAILS OF ERROR DISPLAY . 102 7.2.3 TROUBLESHOOTING . 104 7.3 BLOCK DIAGRAM.109 8. PANEL FACILITIES AND SPECIFICATIONS.112 T IZE MAR. 1999 Printed in Japan Type Model Power Requirement The Voltage can be conver

4、ted by XR-A550MDthe following method. KUCXJAC120V DBDXJAC110-127V/220-230V/240VWith the voltage selector THIS MANUAL IS APPLICABLE TO THE FOLLOWING MODEL(S) AND TYPE(S). COMPACT MINI COMPONENT EJECT ASES 3 STEREO CASSETTE DECK FULL LOGIC AUTO REVERSEREC/PLAY FREQ/ STATION NR ON/OFF MD REC/STOP TAPE

5、REC/STOP MD DISP /CHARA MENU DELETE MINIDISC STEREO CD MD CASSETTE DECK RECEIVER XR-A550MD RadioFans.CN 收音机爱 好者资料库 2 XR-A550MD 1. SAFETY INFORMATION This service manual is intended for qualified service technicians ; it is not meant for the casual do-it- yourselfer. Qualified technicians have the ne

6、cessary test equipment and tools, and have been trained to properly and safely repair complex products such as those covered by this manual. Improperly performed repairs can adversely affect the safety and reliability of the product and may void the warranty. If you are not qualified to perform the

7、repair of this product properly and safely, you should not risk trying to do so and refer the repair to a qualified service technician. WARNING This product contains lead in solder and certain electrical parts contain chemicals which are known to the state of California to cause cancer, birth defect

8、s or other reproductive harm. Health 10-sector steps) Pit 2 0: High-speed jump overrun amount (384 830 jumps; 64-jump steps) CONTROL 2 Pit 4 0: EEPROM version (a ) Step No. Setting Method RemarksDisplay Step 1Test mode STOP state tsm?e? Step 2Press the ENTER button.TEST-PLAY Menu TEST_PLAY_ Step 3Pr

9、ess the DELITE button.ADRES setting (displays standard address initial setting) ADRES _0050 Press the button.Sets Search output to H during Search operation and returns to L at start of playback. Step 4Continuous playback (pit)(Address + C1 error display) s & c ? Continuous playback (groove)(Address

10、 + C1 error display) a & c ? Step 5Press the DELETE button.(Address + ADIP error display) a & a ? Continuous playback (groove) Step 6Press the STOP button.TEST-PLAY Menu TEST_PLAY_ 8. TEST-PLAY Mode &: Address, ?: Error rate, 555: Number of Jumps If the STOP (7) button is pressed while the TEST-PLAY

11、 Menu is displayed, operation moves to Test Mode STOP status. If the button is pressed while the TEST-PLAY Menu is displayed, continuous playback will commence from the pickup point at that time. Each time the ENTER button is pressed in Address Setting Mode, the address will change as follows: 0050

12、= 03C0 = 0700 = 08A0 = 0050 = . Each time the DELETE button is pressed in Address Setting Mode, the digits will change as follows with the S.M. JOG button. 0050 = 0050 = 0050 = 0050 = . In Address Setting Mode, the designated address digits can be changed +01H / 01H with the S.M. JOG and DELETE butt

13、ons (0 F). If the S.M. JOG button is turned and held down, the data will change in 100ms cycles. If the DISP/CHARA button is pressed in Continuous Play Mode, the number of Jumps will change as follows: 1 Jump = 10 Jumps = 400 Jumps = 1 Jump = . After the number of Jumps is displayed for 1 second, th

14、e Address display will be restored 555TR_JUMP If the S.M. JOG button is turned in Continuous Play Mode, the designated number of Jumps will be executed in FWD/REV directions. If the S.M. JOG button is turned and held down, the data will change in 100ms cycles. 87 XR-A550MD Step No. Setting Method Re

15、marksDisplay Step 1Test mode STOP state tsm?e? Step 2Press the ENTER button 2 times. TEST-REC Menu TEST_REC_ Step 3Press the DELITE button.ADRES setting (displays standard address initial setting) a0050_pw Step 4Press the button.Sets Search output to H during Search operation and returns to L at sta

16、rt of playback. Continuous recording a & pw Step 5Press the STOP button.TEST-REC Menu TEST_REC_ Each time the DELETE button is pressed in Continuous Play Mode, the display will change as follows: Pit part:Continuous playback (SUBQ address display + C1 error display) is unchanged. s & c ? Groove part

17、: Continuous playback (ADIP address display + C1 error display) a & c ? Continuous playback (ADIP address display + ADIP error display) a & a ? Continuous playback (ADIP address display + C1 error display) a & c ? 9. TEST-REC Mode &: Address, : Laser power code If the STOP (7) button is pressed whil

18、e the TEST-REC Menu is displayed, operation moves to Test Mode STOP status. If the button is pressed while the TEST-REC Menu is displayed, continuous playback will commence from the pickup point at that time. Each time the ENTER button is pressed in Address Setting Mode, the address will change as f

19、ollows: 0050 = 03C0 = 0700 = 08A0 = 0050 = . Each time the DELETE button is pressed in Address Setting Mode, the digits will change as follows with the S.M. JOG button. 0050 = 0050 = 0050 = 0050 = . In Address Setting Mode, the designated address digits can be changed +01H / 01H with the S.M. JOG bu

20、tton (0 - F). If the S.M. JOG button is turned and held down, the data will change in 100ms cycles. If the Test Record Mode and Continuous Recording Mode /1 buttons are pressed, the laser recording power will change. (And the laser gain will change to match the recording power.) Step No. Setting Met

21、hod RemarksDisplay Step 1Test mode STOP state tsm?e? Step 2Press the DISP/CHARA button.INNER Menu _INNER_ Step 3Press the button.INNER switch position measurement s & c ? (SUBQ address and C1 error are both displayed.) Step 4Press the STOP button.INNER Menu _INNER_ 10. INNER Mode &: Address Press th

22、e STOP (7) button in the INNER Menu and move to Test Mode STOP status. 88 XR-A550MD NOTE) Adjust the read-in switch position to 5F FF85 to FFD2. 1. Loosen the three screws (A) securing the MD MECHA SW ASSY. 2. While pressing the MD MECHA SW ASSY in the + direction, tighten the screws, and measure th

23、e read in switch position again. After adjusting the position, secure the three screws (A). Read-IN Switch Position Measurement Mode Loosen the Three Screws (A) MD MECHA SW ASSY Fig.3 Read in Switch Loading Motor Forced Rotation When Test Mode STOP status and EJECT status are displayed, the loading

24、motor can be forcefully rotated by pressing the /1 buttons. Step No. Setting Method RemarksDisplay Step 1Test Mode EJECT status _EJECT_ Step 2Press the DELETE button.Maximum power output status xpw_ Step 3Press the DELETE button.Recording power output status rpw_ Step 4Press the DELETE button.Playba

25、ck power output status ppw_ Step 5Press the ENTER button.To EEPROM setting TEMP setting (Refer to EEPROM setting TEMP setting.) Step 6Press the DISP/CHARA button.To EEPROM setting CONTROL setting (Refer to EEPROM setting CONTROL setting.) 11. EJECT Mode 89 XR-A550MD 5P Flat Cable (GGD1182) 2P Extens

26、ion Connector (GGD1108) CNP1601(Rear) CNP1602 CNP1252 CNP1603 CNP1604(Rear) CNP1101 MD MAIN ASSY 6P-2P Extension Connector (GGD1181) 28P Flat Cable (GGD1180) Fig.7 Connection Service Extension Board (GGF1320) From Optical Pickup From Magnet Head From Motor To MD MECHA SWITCH ASSY 2. Checking Jitter

27、After automatic adjustment in the AUTO Mode of Test Mode for low-reflectance MD is completed, check the jitter with the pit Continuous Play Mode and groove Continuous Play Mode. 6.4.2.3 Mechanism Adjustment Using a high reflective MD disc, perform automatic adjustment in the AUTO test mode (COMPLETE

28、 is displayed), and adjust the EOUT: FOUT resurge waveform (x-y). (1) Desolder the two points of the disc motor board, solder the lead wire to the motor terminal and board temporarily as shown in the figure, loosen the three screws of the motor slightly, and while looking at the resurge waveform, ad

29、just it. (2) After adjusting, tighten the screws in the order of 1, 2, and 3. 1. Detecting the Optical Pickup Grating 1 2 3 1 2 3 Adjusting Hole Fig.5 Spindle Motor Spindle Motor Adjusting Hole While changing the attaching position by inserting a screw- driver into the adjusting hole of the disc mot

30、or, check the resurge waveform. Jitter Meter IC1201 Pin1 (TP1274) EFMMON IC1201 Pin88 (TP1275) Fig.6 GND a b YX CH1 CH2GND 100k 100k 470p 470p Resurge waveform Oscilloscope IC1101 Pin 42 GND (TP1131) IC1101 Pin 26 EOUT (TP1133) IC1101 Pin 25 FOUT (TP1132) Fig.4 Measuring the Optical Pickup Grating D

31、eviation a : b = Within 3 : 1 90 XR-A550MD (1) Replace EEPROM. (2) Short the IC1402 (EEPROM) 8 pin (PROTECT) and 2 pin (Vcc). (3) Refer to the latest EEPROM Content Table. (4) Short TEST MODE2 while the power is ON and engage the Test Mode 2. (5) Version display Item displaySet value F G?97H F F 1?9

32、EH F F 2?E0H F Z H L E V?EDH F O K L E V n ?08H F O K L E V f?88H F O K L P F n ?00H F O K L P F f?88H W A I T f?90H Focus Settings 6.4.2.4 EEPROM (IC1402) Writing Procedure 1. Procedure for replacing EEPROM and writing microcomputer initial settings to EEPROM tsm?e? EEPROM version ( c z ) Microcomp

33、uter ROM version Model code (6) Press the MENU button 7 times. EEPROM_SET (7) Perform the operation shown in the EEPROM Setting Mode Transition Diagram, compare the EEPROM Content Table and the display, and set the EEPROM Content Table with the FADE-OUT button and the FADE-IN button. (8) Set the tem

34、perature standard value. (See Temperature Standard Value Setting Method.) (9) Set all settings the same as those in the EEPROM Content Table. (10) Execute AUTO Preliminary Adjustment and AUTO Adjustment. (11) Cancel the IC1402 8 pin and 2 pin short. (12) Press the PRESET button and write to EEPROM.

35、2. Temperature Standard Value Setting Method (Must be set with room temperature of 21C 29C.) AmbientCorrection temperaturevalue 0.9 C to +2.7 C06 H +2.7 C to +6.3 C05 H +6.3 C to +10.0 C04 H +10.0 C to +14.5 C03 H +14.5 C to +18.2 C02 H +18.2 C to +22.3 C01 H +22.3 C to +26.3 C0 H +26.3 C to +30.3 C

36、+01 H +30.3 C to +34.6 C+02 H +34.6 C to +39.0 C+03 H +39.0 C to +42.8 C+04 H (1) Test Mode STOP status . tsm?e? (2) Because of the ambient temperature, apply a temperature correction in accordance with the following table. Example) When the measured temperature is 73H and the ambient tempera- ture

37、22C, Temperature set value = 73H - 01H = 72H. When there is a discrepancy between two measured tem- perature values, set the lower value. (If the measured val- ues are 73H and 72H, for ex- ample, use 72H.) (3) Press the MENU button 7 times . EEPROM_SET (4) Press the button once . _Focus_ (5) Press t

38、he MENU button 4 times . _Temp_ (6) Press the button . TEMP_?_ ?: Measured value, : Set value (7) Set the temperature set value to the value determined above, using the /1 buttons. (8) Press the button . _Temp_ EEPROM Content Table Item displaySet value S P G?20H S P G - i n?B8H S P G - m i d?76H S

39、P G - o u t?50H S P 1?10H S P 2?87H S P 3?E3H S P 4?E3H S P 5?10H S PDLIM?78H Spin Settings Item displaySet value T G?45H T F 1?70H T F 2?E0H S V C N T 4?01H T R B L V o?53H T R B L V t?60H T R K L V o?4CH T R K L V t?38H T D P W o?89H T D P W t?1AH S L C T o?00H S L C T t?40H S L C T m?53H T C R S

40、C I P ?16H C O T L V P?14H C O T L V r?28H W A I T m?FFH Tracking Settings Item displaySet value S L G?35H S L 2?27H S L D L I M?65H S L D L E V?16H S L K L V k?55H S L K L V t?3AH S L K L V m?55H Slide Settings Item displaySet value C O N T R L 1 ?80H C O N T R L 2 ?01H S P K L E V m ?26H A D J T T

41、 M?14H H D E Q A D?90H L D E Q A D?8FH G D E Q A D?91H M D E Q B C?90H L D E Q B C?8FH G D E Q B C?8AH H A L S G?21H L A L S G?21H G A L S G?21H H A L S O F S ?FEH L A L S O F S ?00H G A L S O F S ?00H Control Settings 91 XR-A550MD MENU S P K L E V m _ A D J T T M _ _ MENU MENU H D E Q A D_ _ L D E

42、Q A D_ _ MENU MENU G D E Q A D_ _ H D E Q B C_ _ MENU MENU L D E Q B C_ _ G D E Q B C_ _ MENU MENU H A L S E G_ _ L A L S E G _ _ MENU MENU G A L S G_ _ _ H A L S O F S_ MENU MENU L A L S O F S_ G A L S O F S_ MENU MENU t s m ? e?Test Mode STOP status EEPROM Setting MenuEJECT status _ _Foc us _ _ _

43、FG_ _ _ _ _ _TG_ _ _ _ _ _ _S p i n d l e_ _T r a c k i n g _C o n t r o l _ _ _ _S l e d_ _ _ _ _Temp_ _ _ F F 1_ _ _ _ _T F 1_ _ _ _ _ T F 2_ _ _ _ _ T R B L V o _ _ T R B L V t _ _ T R K L V o _ _ T D P W o_ _ _ S L C T o_ _ _ S L C T t_ _ _ S L C T m_ _ _ C O T L V p_ _ C O T L V r _ _ T D P W t

44、_ _ _ T R K L V t _ _ S P G_ _ _ _ _S L G_ _ _ _ _T E M P_?_C O N T R L 1 _ C O N T R L 2 _S L 2_ _ _ _ _ S L D L E V_ _ S L K L V k_ _ S L K L V t_ _ S L K L V m_ _ S P 1_ _ _ _ _ S P 2_ _ _ _ _ S P 3_ _ _ _ _ S P 4_ _ _ _ _ S P 5_ _ _ _ _ S P G_ i n _ _ S P G_ m i d _ S P G_ o u t _ F F 2_ _ _ _ _

45、 F Z C L E V_ _ F O K L E V n _ F O K L E V f _ F O K L P F n _ F O K L P F f _ W A I T f _ _ _ W A I T m_ _ _ _ _EJECT_ _ _ E E P R O M_S E T MENU 7 MENU MENU MENU MENU MENU MENU MENU MENU MENU MENU MENU MENU MENU MENU MENU MENU MENU MENU MENU MENU MENU MENU MENU MENUMD REC MD REC MD REC MD REC MD

46、REC MD REC MD REC MD REC MD REC MD REC MD REC MD REC MD REC MD REC MD REC MENU MENU MENU MENU MENU MENU S V C N Y 4_ _ MENU MENU MENU MENU MENU MENU MENU MENU MENU2MENU3MENU4 SET DISPMENU X5 S P D L I M_ _ S L D L I M_ _ MENU MD RECMD REC MD RECMD REC MD RECMD REC MD RECMD REC MD RECMD REC MD RECMD REC MD REC MD REC MD REC MD REC MD REC MD REC MD REC MD REC MD