Pioneer_DEH-4450BT_serv.pdf

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1、ORDER NO. PIONEER CORPORATION 1-1, Shin-ogura, Saiwai-ku, Kawasaki-shi, Kanagawa 212-0031, Japan PIONEER ELECTRONICS (USA) INC. P.O. Box 1760, Long Beach, CA 90801-1760, U.S.A. PIONEER EUROPE NV Haven 1087, Keetberglaan 1, 9120 Melsele, Belgium PIONEER ELECTRONICS ASIACENTRE PTE. LTD. 253 Alexandra

2、Road, #04-01, Singapore 159936 PIONEER CORPORATION 2011 DEH-64BT/XNUC CRT4746 CD RDS RECEIVER DEH-64BT/XNUC DEH-6400BT/XNUC DEH-5400BT/XNUC DEH-4400BT/XNEW5 DEH-4450BT/XNES DEH-4490BT/XNID This service manual should be used together with the following manual(s): Model No.Order No.Mech. ModuleRemarks

3、 CX-3287 CRT4759S11.6STDCD Mech. Module : Circuit Descriptions, Mech. Descriptions, Disassembly K-ZZZ JULY 2011 Printed in Japan DEH-64BT/XNUC 2 1234 1234 C D F A B E SAFETY INFORMATION CAUTION Where in a manufacturers service documentation, for example in circuit diagrams or lists of components, a

4、symbol is used to indicate that a specific component shall be replaced only by the component specified in that documentation for safety reasons, the following symbol shall be used: This service manual is intended for qualified service technicians; it is not meant for the casual do-it-yourselfer. Qua

5、lified technicians have the necessary 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

6、 not qualified to perform the repair of this product properly and safely, you should not risk trying to do so and refer the repair to a qualified service technician. CAUTION: USE OF CONTROLS OR ADJUSTMENTS OR PERFORMANCE OF PROCEDURES OTHER THAN THOSE SPECIFIED HEREIN MAY RESULT IN HAZARDOUS RADIATI

7、ON EXPOSURE. - Safety Precautions for those who Service this Unit. When checking or adjusting the emitting power of the laser diode exercise caution in order to get safe, reliable results. Caution: 1. During repair or tests, minimum distance of 13 cm from the focus lens must be kept. 2. During repai

8、r or tests, do not view laser beam for 10 seconds or longer. WARNING This product may contain a chemical known to the State of California to cause cancer, or birth defects or other reproductive harm. Health Failure in CRG movement. 07ServoTOC reading NGTOC information cannot be read. - The partial d

9、isk or TOC content is illegal. 11ServoFocus NGFocusing not available - Disc placed upside-down; Stains on the disc; excessive vibration. 17ServoSetup NGThe laser output cannot be adjusted. Focus can be easily lost. - Scratches or stains on the disc; excessive vibration. 15ServoRF NGThe digital signa

10、l from the disc cannot be detected. - A CD-R/RW disc that does not contain data loaded. 12ServoSpindle Lock NG Subcode NG RF-amp NG Spindle not locked. Subcode not readable. Proper RF AMP gain not obtained. - Defective spindle; Scratches or stains on the disc; excessive vibration. - A CD-R/RW disc t

11、hat does not contain data loaded, or in a rare case, disc placed upside-down. - RF signal error. 30ServoSearch Time OutFailed to reach a target address. And, the search became a timeout. - Carriage/Tracking error; Scratches on the disc; Stains on the disc 50MechanismLoad NG Eject NG Disc loading/eje

12、ction not completed - A foreign object inserted in the mechanism; Disc jammed. 51MechanismFailure in retried turning for ejection Disc could not be ejected even after disc turning had been retried. - A foreign object inserted in the mechanism; Disc jammed. ERROR CODES (1) DISPLAY METHOD If “0 xFD” e

13、rror mode is displayed in CD MODE (CD MODE area for display), an error code will be displayed in the MIN (minute display) and SEC (second display) areas. The same code is displayed in the MIN and SEC areas. The TNO area is blank (#0FFH), as it conventionally was. Display example of the head unit Dep

14、ending on the display capability of LCDs, the display format varies, as shown below. XX denotes an error number. Note: In a case of an OEM product, the error display format is subject to the specifications used by the equipment manufacturer. If a CD memory device is inoperable, or operation of such

15、media is stopped by an error, the error mode is established and a cause of the error is displayed by an error code. Indication of error codes is intended to reduce the number of calls from customers and facilitate failure analysis and repair work in servicing. The 2 high-order digits of an error cod

16、e denote the main classification, shown below. code classification 0 x 1x Servo-related errors 3x 5x Mechanism-related errors How to restore from each error is shown below. Servo-related errors(0X, 1X, 3X) : Servo-related errors CD Off, Eject, ACC Off, Back-up Off, Communication reset, Reset Load NG

17、/Eject NG(50) : Reload, Eject, ACC Off, Back-up Off, Communication reset, Reset Failure in retried turning for ejection : CD On, Eject, ACC Off, Back-up Off, Communication reset, Reset NOTES Indications of error codes are available only during disc operations, because CD operations are unavailable i

18、f a mechanical error is generated. If the TOC cannot be read, It stops because of error 07. If you design a new head unit, be sure to use one of the display formats indicated in “Display example of the head unit.” DEH-64BT/XNUC 19 5678 56 7 8 C D F A B E USB storage device/iPod MessageCauseAction NO

19、 DEVICEWhen plug and play is off, no USB storage de- vice or iPod is connected. Turn the plug and play on. Connect a com- patible USB stor- age device/iPod. FRMT READSometimes there is a delay between the start of playback and when you start to hear any sound. Wait until the message disap- pears and

20、 you hear sound. NO AUDIOThere are no songs. Transfer the audio files to the USB storage device and connect. The connected USB storage de- vice has secur- ity enabled. Follow the USB storage device in- structions to dis- able the security. SKIPPEDThe connected USB storage de- vice contains files emb

21、edded with Windows MediaDRM 9/ 10. Play an audio file not embedded with Windows Media DRM 9/10. PROTECTAll the files in the USB storage device are em- bedded with Windows Media DRM 9/10. Transfer audio files not em- bedded with Windows Media DRM 9/10 to the USB storage de- vice and connect. MessageC

22、auseAction N/A USBThe USB device connected to is not supported by this unit. Connect a USB Mass Storage Class compliant device. Disconnect your device and replace it with a compatible USB storage device. CHECK USBThe USB con- nector or USB cable has short- circuited. Check that the USB connector or

23、USB cable is not caught in some- thing or dam- aged. The connected USB storage de- vice consumes more than 500mA (maxi- mum allowable current). Disconnect the USB storage de- vice and do not use it. Turn the ignition switch to OFF, then to ACC or ON and then connect only compliant USB storage device

24、s. The iPod oper- ates correctly but does not charge. Make sure the connection cable for the iPod has not shorted out (e.g., not caught in metal objects). After checking, turn the ignition switch OFFand back ON, or dis- connect the iPod and reconnect. DEH-64BT/XNUC 20 1234 1234 C D F A B E MessageCa

25、useAction ERROR-19Communication failed. Perform one of the following op- erations. Turn the ignition switch OFFand back ON. Disconnect the USB storage de- vice. Change to a dif- ferent source. Then, return to the USB source. Disconnect the cable from the iPod. Once the iPods main menu is dis- played

26、, reconnect the iPod and reset it. iPod failure.Disconnect the cable from the iPod. Once the iPods main menu is dis- played, reconnect the iPod and reset it. ERROR-23USB storage de- vice was not for- matted with FAT12, FAT16 or FAT32. USB storage de- vice should be for- matted with FAT12, FAT16 or F

27、AT32. MessageCauseAction ERROR-16The iPod firm- ware version is old. Update the iPod version. iPod failure.Disconnect the cable from the iPod. Once the iPods main menu is dis- played, reconnect the iPod and reset it. STOPThere are no songs in the current list. Select a list that contains songs. NOT

28、FOUNDNo related songs. Transfer songs to the iPod. Bluetooth device MessageCauseAction ERROR-10The power failed for the Bluetooth mod- ule of this unit. Turn the ignition switch OFFand then to ACC or ON. If the error mes- sage is still dis- played after performing the above action, please contact yo

29、ur dealer or an authorized Pioneer Service Station. DEH-64BT/XNUC 21 5678 56 7 8 C D F A B E 5.3 CONNECTOR FUNCTION DESCRIPTION ANTENNA 1 FL+ 2 FR+ 3 FL- 4 FR- 5 RL+ 6 RR+ 7 RL- 8 RR- 9 NC 10 NC 11 NC 12 NC 13 ACC 14 B.REM 15 B.UP 16 GND WIRED REMOTE CONTROL MICROPHONE INPUT REAR OUTPUT or SUBWOOFER

30、 OUTPUT FRONT OUTPUT 16 14 12 10 8642 15 13 11 97531 DEH-64BT/XNUC 22 1234 1234 C D F A B E 6. SERVICE MODE 6.1 DISPLAY TEST MODE * Initial condition S$ $ $ $# # # $ PD number For Ver.7.01, 701 is displayed For PEA010A, 010A is displayed # System microcomputer version 14SEG 5*5DotS$ $ $ $# # # 1 + 3

31、 On (state when entering test mode) Press “ 1 ” and “ 3 ” keys simultaneously to start resetting. Operation key How to enter Test mode Test items Start display test mode. (Press “ 1 ” + “ 3 ” keys simultaneously to start resetting.) Display is normally updated Display update is stopped Product opera

32、tion is performed as usual, in appearance. The screen gets still when entering this item. On (an initial value) On (lighting condition of normal times) On (an initial value or setting value of default menu) On (an initial value or setting value of default menu) On (an initial value or setting value

33、of default menu) OffAll off All off All off Remarks Key Illumination Operation keyProcessing Icon Enter display test mode Switch to next test mode The information such as the system microcomputer version is checked. Switching to next display by pressing “ 1 ” + “ 3 ” keys simultaneously. Switching t

34、o next display by pressing “ 1 ” + “ 3 ” keys simultaneously. Switching to next display by pressing “ 1 ” + “ 3 ” keys simultaneously. System Version information is displayed. DEH-64BT/XNUC 23 5678 56 7 8 C D F A B E 6.2 CD TEST MODE Key Contents Display BAND Power On (T.Offset is adjusted) TRK MIN

35、SEC 00 00 00 2 RF AMP Gain switching GG GG GG *1 3 Focus Close S curve check TRK MIN SEC 91 91 91 6 Focus Mode switching 0X 0X 0X *2 1 Tracking Servo Close 00 00 00 or 99 99 99 CRG + 2 Self-adjusting switching TRK MIN SEC ? ? ? *3*6 CRG + 8X 8X 8X or 9X 9X 9X 2 T.Balance adjustment / T.BAL coefficie

36、nt display TRK MIN SEC ? ? ? CRG/TR Jump + 2 Tracking Open CRG + / TR Jump + (Direction of the external surface) BUP+ACC ON Test Mode IN *1) TYP t + 6 dB t + 12 dB TRK MIN SEC TRK06MIN06SEC06 TRK12MIN12SEC12 *2) Focus Close t S. Curve t F EQ measurement setting TRK00MIN00SEC00 TRK01MIN01SEC01 TRK02M

37、IN02SEC02 (TRK99MIN99SEC99) *3) F.Offset Display t *4) 100TR Jump *5) TRK/MIN/SEC t F.AGC t T.AGC Gain t F.Bias t RF AGC *6) CRG motor voltage = 2 V RF.Offset Switch to the order of the original display tT.Offset Display t DEH-64BT/XNUC 24 1234 1234 C D F A B E 7. DISASSEMBLY 2 3 Fig.1 Fig.2 Fig.3 1

38、 - Removing the Panel Assy (Fig.1) Remove the two hooks and then remove the Panel Assy. Remove the two hooks. 1 2 Remove the two screws. Remove the screw. Lift off the Tuner Amp Assy from the Heat sink side. 4 - Removing the CD Mechanism Module (Fig.2, 3, 4) The CD Mechanism Module side is made a bo

39、ttom. Fig.4 5 6 Push the area and remove the two hooks. Slide the Tuner Amp Assy in the direction of the arrow and then remove the hooks of upper and lower. The Tuner Amp Assy is fixed into the ditch. Disconnect the FFC and then remove the CD Mechanism Module. Panel Assy 22 CD Mechanism Module While

40、 the photograph shown is slightly different from this model in shape, the disassembly procedure is the same. 3 3 1 Heat sink side CD Mechanism ModuleTuner Amp Assy 5 5 6 1 22 1 DEH-64BT/XNUC 25 5678 56 7 8 C D F A B E 3 Fig.5 1 - Removing the BT Unit and Tuner Amp Unit (Fig.5) Straighten the tabs at

41、 two locations indicated and then remove the Tuner Amp Unit. 2 Remove the two screws. Remove the two screws. - Attention of removing (Fig.6) Fig.6 Dont remove this screws excluding the dismantlement of the CD Mechanism Module. Disconnect the FFC. Straighten the tabs at three locations indicated and

42、then remove the BT Unit. 4 5 Tuner Amp Unit 1 2 2 2 BT Unit 33 4 45 5 DEH-64BT/XNUC 26 1234 1234 C D F A B E Fig.7 Fig.8 Fig.9 Fig.10 - Disassembling the Panel Part (Fig.7, 8) 2. Press the upside hook and the bottom side hook of the button at the same time, and pull out the button. 1. Remove the arm

43、 while bending the rib of the panel upward. - Assembling the Panel Part (Fig.9, 10, 11) 1. Attach the button from the front side of the panel. 2. Attach the spring to the arm as shown in the figure. Hitch the spring to the groove. The bended tip of the spring is set to this side. DEH-64BT/XNUC 27 56

44、78 56 7 8 C D F A B E Fig.11 3. Fit the spring in the groove at the position shown in the figure. 4. Fit the boss on the lower side of the arm in the lower hole of the panel, and then warp the rib on the panel in the direction shown in the figure and fit the boss of the arm in the panel. DEH-64BT/XN

45、UC 28 1234 1234 C D F A B E How to carry the mecha unit 1. Hold the designated points (shown with dashed lines) of the upper chassis and the front/rear bracket. 2. Be careful not to hold the solid line portions or the CRG mecha part or insert foreign substances, to prevent distortion. 3. When holdin

46、g the sides of the upper chassis, do not apply excessive force to prevent distortion. (Approx. 8N or less) Handling OK Handling NG DEH-64BT/XNUC 29 5678 56 7 8 C D F A B E Slide toward inner circumference Normal built-in state The spring is below a resin flange and is built inside the sheet metal be

47、nding. Incorrect built-in state The chassis is not nipped between the PU case and the PU rack. Outer holder Rear end of feeding screw Fig 1 Fig 3Fig 4 Fig 2a Fully-hooked state B Tentatively-hooked state Fig 2b A How to remove the PU unit 1. Create an empty-clamp state according to “How to create em

48、pty clamp state (motor drive)”. 2. Hook the feeding screw biasing spring to a tentative hooking portion (Fig 2b). Be careful not to get injured by the spring edge. 3. Hold the PU at the position A as shown in Fig 1. Slide the PU as far as possible toward the holder in the feeding screw so that a joi

49、nt on the outer end of the feeding screw is loosened. 4. As shown in Fig 3, move the rear end of the feeding screw laterally and then upward, to remove it from the outer holder. 5. Lift the PU unit to disengage it from Part B of the chassis (Fig 4), and remove the PU unit. (Cautions) When re-installing the PU, be sure to first nip the chassis and the PU unit (Fig 4) at the position B. Also, make sure to fully hook the feeding screw biasing s