Pioneer-DV79AVI-dvd-sm电路图 维修手册.pdf

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1、 ORDER NO. PIONEER CORPORATION 4-1, Meguro 1-chome, Meguro-ku, Tokyo 153-8654, 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 Road, #04-01

2、, Singapore 159936 PIONEER CORPORATION 2005 ? DV-79AVi RRV3286 DVD PLAYER DV-79AVi DV-79AVi-S THIS MANUAL IS APPLICABLE TO THE FOLLOWING MODEL(S) AND TYPE(S). ModelTypePower RequirementRegion No.Remarks DV-79AViKUXJ/CAAC120V1 DV-79AVi-SKUXJ/CAAC120V1 For details, refer to Important symbols for good

3、services. T-ZZR NOV. 2005 printed in Japan RadioFans.CN 收音机爱 好者资料库 DV-79AVi2 1234 1234 C D F A B E 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 necessary test equipment and tool

4、s, 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 repair of this product properly

5、 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 causecancer, birth defects or other reproductive harm. He

6、alth Location of the display: At the two digits of center of the FL display To display the error history: ESC + DISPLAY + One shot; Location of the display: TV screen DV-79AVi88 1234 1234 C D F A B E FL Description of Error Causes if with a DVDCauses if with a CDOperation of the Unit 39 SGC converge

7、 timeout SGC could not converge during detects the peakOpen 41Spindle timeout The unit did not enter Stop mode within 10 seconds of issuance of a Stop command. Disc distinction is not completed even if passes for 10 seconds after the spindle turned. Stop 48 Spindle FG transition timeout Did not reac

8、h to the rotating speed that ATB was possible for less than 10 seconds. Did not reach aim CAV lock speed (high: 10%, low: 50%) for less than 10 seconds. CAV process passed more than 5 seconds or abnormal speed was detected. Spindle does not lock for less than 3 seconds in the BCA read start or end.

9、Stops. (FG timeout) 49 Spindle PLL transition timeout CAV process passed more than 5 seconds. Abnormal speed was detected. Stops. (73 is displayed during starting process.) 4ASpindle lock timeoutSpindle could not lock more than 1.5 seconds before start the AFB. Stops. (73 is displayed during startin

10、g process.) 51 Auto sequence timeout of peak detection ABUSY did not return within 1 second after the DDTCT (peak detection) command was sent. Stop 52 Auto sequence timeout of focus jump down ABUSY did not return within 30 mS after the FJMPD (Focus jump 1 to 0) command was sent. Open 53 Auto sequenc

11、e timeout of focus jump up ABUSY did not return within 30 mS after the FJMPU (Focus jump 0 to 1) command was sent. Open 54 Auto sequence timeout of play AGC ABUSY did not return within 50 mS after the GSUMON (play-AGC-measuring) command was sent. Stop 55 Auto sequence timeout of disc-type- sensing A

12、BUSY did not return within 2 seconds after the DJSRT (disc-sensing) command was sent. Stop 56 Auto sequence timeout of ATB2 ABUSY did not return within 1 second after the TBLOFS (Internal ATB after the completion of external ATB) command was sent. Stop 57 Auto sequence timeout of tracking servo ON A

13、BUSY did not return within 0.5 sec. after the TSON (tracking servo ON) command was sent. Stop 58 Auto sequence timeout of ATB1 ABUSY did not return within 0.2 sec. after the TBL (external ATB) command was sent. Stop 59 Auto sequence timeout of focus gain adjustment ABUSY did not return within 2 seco

14、nds after the FGN (focus gain adjustment) command was sent. Stop 5A Auto sequence timeout of tracking gain adjustment ABUSY did not return within 2 seconds after TGN (tracking gain adjustment) command was sent. Stop 5B Auto sequence timeout of offset adjustment ABUSY did not return within 1 second a

15、fter the AVE (offset adjustment) command was sent. Stop 5C Auto sequence timeout of modulation factor measurement ABUSY did not return within 200 mS after the ADJMIR (modulation factor measurement) command was sent. Stop 5D Auto sequence timeout of auto focus bias ABUSY did not return within 2 secon

16、ds after the AFB (auto focus bias) command was sent. Stop 5F Auto sequence already busy A command could not be sent because ABUSY was low. ABUSY did not return within 200 mS after TLV command was sent. Stop 62Pause retry error Pause mode could not be restored within three retries after it had been r

17、eleased. Continues operation 71 ID reading check during playback An ID could not be read for 1 second or more.Stop 72 Subcode check failure during playback No frame could be read for 3 seconds or more. Stop 73 ID can not read during startup An ID could not be read within 1 second after the AFB track

18、ing on. Opens (ID readout failure) DV-79AVi89 5678 56 7 8 C D F A B E FL Description of Error Causes if with a DVDCauses if with a CDOperation of the Unit 74 Subcode check failure during startup Subcode could not be read within 1 second after the tracking on. Opens (Subcode readout failure). A1 Comm

19、unication timeout of DSP command A command could not be issued to DSP because Command Busy (XCBUSY) was in force (XCBUSY = L) for a specified time (about 200 S). Open A2 Communication timeout for reading DSP coefficient Command Busy (XCBUSY) was in force for a specified time (about 200 S) before and

20、 after a coefficient read command was issued to DSP, or the address echo-back after command issuance did not match the setup address. Open A4 Communication timeout for continuously writing DSP coefficient Command Busy (XCBUSY) was in force for 200 S during continuous coefficient writing, or before a

21、nd after a continuous write command was issued to DSP. Open B1 Timeout error for backup In the backup sequence, codes could not be read for fixed time.Stops B2 Retry error for backup Cannot close tracking even if performs backup fixed number of times.Stops B3Retry error for trace During tracing, do

22、not restore after the runaway detection backup was performed several times. Stops C3 Detection of tracking overcurrent During playback, the overcurrent detection port was at L for 300 ms or more continuously. Stops (the mechanical controller operates independently). (C5) Short-circuit test correspon

23、ding error After the overcurrent detection (C3 error), furthermore the overcurrent detection port was at L for 300 mS or more continuously. Turns off the power instantly (No indication on the FL display and no writing to flash memory) F5Tray being pushed The tray switch that had been Open mode was f

24、orcibly changed to a mode other than Open by an external force. Closes F6Code reading NG (PH code nothing) When Philips code is not readable during LD starting, and a code was not readable after the slider moved to FWD and REV directions slowly each for five seconds. (PRD) In the CD starting, when a

25、 subcode of TOC part was not readable, but the subcode of the program area was readable. Search, scan and special playback prohibition, Playback as playback CD- R (PRD mode) as it is. F8Loading timeout Loading or unloading could not be completed within a specified time (about 10 seconds). Though a p

26、ortable cover is opening, when a close command was issued from the system controller. Reverses the loading direction. It timeout is repeated upon retry, the unit stops. FC Focus Focus ON sequence could not be completed more than two seconds. Auto sequence command was finished, actually focus ON was

27、not completed. Focus did not enter even if retried it eight times. Stops wherever possible then opens (stops in the case of side B). FLDescription of ErrorCauses if with a DVDCauses if with a CDOperation of the Unit bit4=1 10 etc. Mechanism controller RAM check sum error No operation or it becomes d

28、ebugging indication if the power is able to ON. bit3=1 08 etc. AV1 access error (read, write NG) bit2=1 04 etc.LSI11 access error bit0=1 01 etc.SRAM access error Error codes that are displayed on the FL display by using the remote control unit (Device error) To display: ESC + DISPLAY + DISPLAY; Loca

29、tion of the display: At the two digits of left of the FL display DV-79AVi90 1234 1234 C D F A B E 7.1.7 TROUBLE SHOOTING START Is FL turn on ? Is tray open ? Is the indication of FL normal ? Power ON Yes Yes Yes No No No Turn on the power again after 2 - 3 minutes. Blow out micro-fuse on the POWER S

30、UPPLY Unit. (P202 and P301) FL indication is dark or flickers. Indicates the error messageRefer to the section 7.1.6 ERROR DISPLAY. Tact-switches are damaged. (incase of only a key NG) FLKY IC101-pin 22 is it around +1.2V when you pushed a POWER key? Wireless remote controller receiver or IR signal

31、line or SEL IR signal line is damaged. (incase of only a key of wireless remote controller NG) Does FLKB IC101-pin 17 (SEL IR) and IR and SEL IR signal lines change 0V3.3V when you pushed a wireless remote controller key? Blow out fuse of the primary side As for P-CONT of POWER SUPPLY Unit is around

32、 3.3V. Blow out micro-fuse on the POWER SUPPLY Unit. (Check the each voltage.) P202, P301 of POWER SUPPLY Unit is damaged. FL controller IC (IC101) or RESET IC (IC102) on the FLKY Assy is damaged. Are IC101-pin 12 (RESET OUT) and pin 11 (POWER ON) H level together? Check the following connections :

33、POWER SUPPLY Unit - DVDM Assy DVDM Assy - AJKB Assy DVDM Assy - VJKB Assy DVDM Assy - FLKY Assy Check each voltage regulators of DVDM Assy : IC401-pin 3 (+3.3V), IC402-pin 1 (+5V), IC403-pin 3 (+2.5V), IC404-pin 4 (+3V), IC405-pin 4 (+5V), IC410-pin 1 (+1.8V), IC411-pin 3 (+2.5V) Check each voltage

34、(EV+6V, EV+4V, SW+3.3V, +12V, -28V, FLDC+ and FLDC-) (If above voltage are not supplied, check the micro-fuse P101, P201, P202, P301.) Are not there short and open-circuit between output connector of POWER SUPPLY Unit and CN401 of DVDM Assy? R410 of POWER SUPPLY Unit is damaged. No -28V voltage appe

35、ar. Short or open the zenner diode on the POWER SUPPLY Unit. (D505) Check the address bus and data bus of signal interface between FR CPU (IC601)AV1 (IC751), Eby-Chip (IC701) and Servo DSP (IC201). Check each voltage regulators of DVDM Assy : IC401 (+3.3V) and IC403 (+2.5V) Clock generator IC481 or

36、crystal resonator X481 is damaged. Check waveform of each pin whether IC481 does oscillation. Check the following connections : DVDM Assy (CN103)- LOAB Assy (5P connector assy) DVDM Assy CN105-pin 12 (INSIDE SW signal) Check the loading drive signal : IC351-pin 14, 15, 16 Check the +6V and +12V powe

37、r supply voltage (If above voltage is not supplied, check the micro-fuse P202 and P301.) DV-79AVi91 5678 56 7 8 C D F A B E Do the video and sound come on? or beeing damaged? (noisy) Yes No Refer to the section 7.1.6 ERROR DISPLAY.Indicate the error message. Carriage does not move. (Stepping positio

38、ning) Yes Yes Laser diode does not light. Focus does not in. Yes No No Spindle does not turn. No OK Check the following connections and drive IC : DVDM Assy CN104 (4P flexible cable) Check the Stepping motor signals, IC351-pin 31, 32, 34, 35 and IC601-pin 47, 48. Check the +6V and +12V power supply

39、voltage (If above voltage is not supplied, check the micro-fuse P202 and P301.) Check the following connections and drive IC : DVDM Assy CN105 (12P flexible cable) Check the Spindle motor signals and IC251-each pins. Check the +6V and +12V power supply voltage (If above voltage is not supplied, chec

40、k the micro-fuse P202 and P301.) Check the following connections : DVDM Assy - VJKB Assy DVDM Assy - AJKB Assy Check voltage regulator of VJKB Assy IC701-pin 1 (+5V) for Video circuit, Check voltage and transistors regulator of PS Assy Q3801(+12V), Q3802(-12V), IC3803(+5V)for audio circuit . If the

41、voltage is off, check micro fuse of PS Assy IC3801, IC3802. Check the interface of 16M SDRAM (IC741) for Eby-chip (IC701) and 64M SDRAM (IC781) for AV1 (IC751). Check digital data of video and audio signals (audio signals: 3 line data, video signals: 8bit data) shown to each schematic diagram and an

42、 analog signal line. In addition, check CLK. audio system: 22/24MHz, video system: 27MHz Check the following connection, IC351, IC101, IC201 : DVDM Assy CN101 - Pickup Assy (24P flexible cable) IC351-pin 9, 10, IC101-pin41 and IC201-pin 32, 47 for Focus Drive Check the +6V and +12V power supply volt

43、age and SW+5V (If +6V voltage is not supplied, check the micro-fuse P101 and P102.) Check it whether the pickup is defectiveness. Perform the section 7.1.2 SELF-DIAGNOSIS FUNCTION OF PICKUP DEFECTIVE and check the LD current value. C101 (for DVD LD) and C103 (for CD LD) of DVDM are missing. Regardin

44、g DVD LD (650nm) : Check each signals of CN101-pin 17 (PD), pin 18 (LD Drive), IC101-pin 17 and Q101 Regarding CD LD (780nm) : Check each signals of CN101-pin 17 (PD), pin 16 (LD Drive), IC101-pin 17 and Q102 PD: Power Diode (signal output) DV-79AVi92 1234 1234 C D F A B E 7.1.8 FAILURE-TEST METHOD

45、FOR THE HDMI TRANSMITTER IC When replacing the DVDM Assy, see 7.1.10 DISASSEMBLY In a case where the HDMI video signal is not output1 In a case where the HDMI audio signal is not output2 Is the Pure Audio function turned ON? (During Pure Audio mode, neither the HDMI signal nor the analog video signa

46、l is output.) Is the analog video signal output? Turn the Pure Audio function OFF. No Yes No OKNG Yes Are the audio signals properly output from the optical outputs and coaxial outputs (S/PDIF)? Yes No Probe R1058 (S/PDIF) and R1057 (22-/24-MHz clock) with an oscilloscope, and check if correct signa

47、ls are output. The HDMI transmitter IC (audio processing block) may be in failure. No The lines from R1058 (S/PDIF) and R1057 (22-/24-MHz clock) are in failure. (The optical-output and coaxial-output lines are OK.) Check if the HOME MENU or VCD playback picture is displayed when this unit is connect

48、ed to a PC monitor equipped with a DVI input. Purpose: To check if the HDMI output line, including the terminal, is in failure. (An HDMIDVI conversion cable is required for checking.) Failure test for the T-REX (IC1001: DVDM Assy) Probe R1013-R1018 (22 ohms 4, 6 sets), and R1009 (27-MHz clock) with

49、an oscilloscope, and check if the amplitude of each signal changes between H (3.3 V) and L during VCD playback and if the 27-MHz clock is output correctly. NG No The T-REX or the line between the T-REX and the HDMI transmitter IC may be in failure (replacement of the T-REX, failure in any of the above resistors, defective soldering, signal short-circuiting, or broken wires, etc.) Turn the Pure Audio function OFF. Is the Pure Audio function turned ON? (During Pure Audio mode, the HDMI audio signal is not output.) Yes Yes I