Panasonic-SAPT70E-htss-sm 电路图 维修手册.pdf

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1、 Panasonic Corporation 2009. All rights reserved. Unauthorized copying and distribution is a violation of law. PSG0909001CE DVD Home Theater Sound System Model No.SA-PT70EB SA-PT70EG SA-PT70EP Product Color: (K).Black Type (S).Silver Type (EG/EP) TABLE OF CONTENTS PAGEPAGE 1 Safety Precautions- 3 1.

2、1. GENERAL GUIDELINES- 3 1.2. Before Repair and Adjustment- 3 1.3. Protection Circuitry- 4 1.4. Safety Parts Information- 4 1.5. Caution for AC Cord (For EB only)- 5 2 Warning- 6 2.1. Prevention of Electrostatic Discharge (ESD) to Electrostatic Sensitive (ES) Devices - 6 2.2. Precaution of Laser Dio

3、de- 7 2.3. Service caution based on Legal restrictions- 8 2.4. Handling Precautions for Traverse Unit -9 3 Service Navigation - 11 3.1. Service Information- 11 4 Specifications- 12 5 Location of Controls and Components- 14 5.1. Remote Control Key Button Operations- 14 5.2. Main Unit Key Button Opera

4、tions- 15 5.3. Speaker Connection- 15 5.4. Using the VIERA Link “HDAVI Control”- 16 5.5. Disc Information- 18 6 Self-Diagnosis and Special Mode Setting - 20 Note: Please refer to the original service manual for: ? ? DVD Mechanism Unit (DLS6E), Order No. PSG0909002AE ? ? Speaker system SB-PT70EG-K/S,

5、 Order No. PSG0909003CE RadioFans.CN 收音机爱 好者资料库 2 6.1. Cold-Start-20 6.2. Service Mode Table-20 6.3. Self-Diagnosis Mode -26 6.4. DVD Self Diagnostic Function-Error Code-27 6.5. Sales Demonstration Lock Function -30 6.6. Firmware Version-Up Information-31 7 Troubleshooting Guide-34 7.1. Troubleshoot

6、ing Guide for F61 and/or F76-34 7.2. Basic Troubleshooting Guide for Traverse Unit (DVD Module P.C.B.)-38 7.3. Basic Troubleshooting Guide for HDMI AV output-39 8 Disassembly and Assembly Instructions-41 8.1. Disassembly Flow Chart-42 8.2. Main Components and P.C.B. Locations-43 8.3. Disassembly of

7、Top Cabinet-44 8.4. Disassembly of Scart P.C.B.-44 8.5. Disassembly of Rear Panel-45 8.6. Disassembly of DVD Mechanism Unit (DLS6E) -45 8.7. Disassembly of DVD Module P.C.B.-47 8.8. Disassembly of SMPS P.C.B.-48 8.9. Replacement of Switching Regulator IC (IC5701) -49 8.10. Replacement of Diode (D580

8、2) -49 8.11. Disassembly of Main/D-Amp P.C.B.-50 8.12. Replacement of Digital Amplifier IC (IC403/ IC404/IC405)-52 8.13. Disassembly of Front Panel Assembly -53 8.14. Disassembly of FL P.C.B.-54 8.15. Disassembly of Volume Button P.C.B.-55 8.16. Disassembly of Power Button P.C.B.-56 8.17. Replacemen

9、t of DVD Lid Assembly-57 9 Assembling and Disassembling of Traverse Unit-60 9.1. Disassembly of Traverse Unit-60 9.2. Assembly of Traverse Unit-61 10 Service Position-62 10.1. Checking 0.3 Vp-p (75 ) NTSC; 0.286 Vp-p (75 ) Terminal:Scart jack (1 system) HDMI AV output Terminal:19-pin type A connecto

10、r HDAVI Control: This unit supports “HDAVI Control 4” function. Note: 1.Specifications are subject to change without notice. Mass and dimensions are approximate. 2.Total harmonic distortion is measured by the digital spectrum analyzer. Solder: This model uses lead free solder (PbF). Refer to their r

11、espective original service manuals for *1. 13 14 5Location of Controls and Components 5.1.Remote Control Key Button Operations 15 5.2.Main Unit Key Button Operations 5.3.Speaker Connection 16 5.4.Using the VIERA Link “HDAVI Control” 17 18 5.5.Disc Information 5.5.1.Disc Playability (Media) 19 5.5.2.

12、File Extension Type Support (WMA/MP3/JPEG/MPEG4/DivX) 20 6Self-Diagnosis and Special Mode Setting 6.1.Cold-Start Here is the procedure to carry out cold-start or initialize to shipping mode. 1. Unplug AC power cord 2. Press & hold POWER button 3. Plug AC power cord while POWER button being pressed F

13、L Display will show “_ _ _ _ _ _ _ _” 4. Release POWER button 6.2.Service Mode Table By pressing various button combinations on the main unit and remote control unit, you can activate the various service modes for checking. Special Note: Due to the limitations of the no. characters that can be shown

14、 on the FL Display, the “FL Display” button on the remote control unit can be used to show the two display pages. (Display 1 / Display 2). Refer to Section 5.1 for the section on “Remote Control Key Buttons Operations”. 21 6.2.1.Service Mode Table 1 (For DVD) Initial setting of laser drive current J

15、itter checkJitter check. Jitter rate is measured and displayed. Measurement is repeatedly done in the cycle of one second. Read error counter starts from zero upon mode setting. When target block data failed to be read out, the counter advances by one increment. When the failure is caused by minor e

16、rror, it may be corrected when retried to enable successful reading. In this case, the counter advances by one. When the error persists even after retry, the counter may jump by two or more. FL Display sequence: Display 1 2. Jitter rate is shown in decimal notation to one place of decimal. Focus dri

17、ve value is shown in hexadecimal notation. (Display 1) Jitter rateJitter check mode (Display 2) Lead Error Counter Focus Drive Value Press POWER or STOP button to exit. In STOP (with disc inside tray) mode, press STOP button on the main unit, and 5 button on the remote control unit. Press FL Display

18、 on remote control unit for next page (FL Display). Error code check Error code check The latest error code stored in the EEPROM IC is displayed. Note: Refer to Section 6.5 DVD Self Diagnostic Function-Error Code for more detailed information on the error codes. Error code (play_err) is expressed in

19、 the following convention. Error code = 0 x DAXX is expressed: ?DVDnn U12 Error code = 0 x DBXX is expressed: ?DVDnn H12 Error code = 0 x DXXX is expressed: ?DVDnn F123 Error code = 0 x 0000 is expressed: ?DVDnn F- * xx denotes the error code F / H / U To exit, press POWER button on main unit or rem

20、ote control. In STOP (no disc) mode, press STOP button on the main unit, and 0 button on the remote control unit. *With pointing of cursor up and down on display. Press FL Display on remote control unit for next page (FL Display) on values of laser drive current. In STOP (no disc) mode, press STOP b

21、utton on the main unit, and PAUSE button on the remote control unit. Initial setting of laser drive current. Initial current value for the DVD laser and CD laser is separately saved in the EEPROM IC. FL Display sequence: Display 1 2. The value denotes the current in decimal notation. The above examp

22、le shows the initial current is XXXmA and YYYmA for CD laser and DVD laser respectively when the laser is switched on. (Display 1) Laser current measurement mode (Display 2) CD Laser DVD Laser FL Display Key Operation Front Key Item DescriptionMode Name 22 6.2.2.Service Mode Table 2 (For DVD) FL Dis

23、play Key Operation Front Key Item DescriptionMode Name CD laser drive current measurement Press FL Display on remote control unit for next page. (FL Display) In STOP (no disc) mode, press STOP button on the main unit, and 3 button on the remote control unit. The value denotes the current in decimal

24、notation. The above example shows the initial current is XXXmA and the measured value is YYYmA. DVD laser drive current measurement CD laser current measurement mode (Display 1) CD laser initial value CD laser value (Display 2) Press FL Display on remote control unit for next page (FL Display) on va

25、lues of dvd drive current. In STOP (no disc) mode, press STOP button on the main unit, and FUNCTIONS button on the remote control unit. The value denotes the current in decimal notation. The above example shows the initial current is XXXmA and the measured value is YYYmA. DVD laser current measureme

26、nt mode (Display 1) DVD Laser Initial Value DVD Laser Value (Display 2) DVD laser drive current measurement. DVD laser drive current is measured and the result is displayed together with the initial value stored in the EEPROM IC. After the measurement, DVD laser emission is kept on. It is turned off

27、 when POWER key is switched off. FL Display sequence: Display 1 2. CD laser drive current measurement. CD laser drive current is measured and the result is displayed together with the initial value stored in the EEPROM IC. After the measurement, CD laser emission is kept on. It is turned off when PO

28、WER key is switched off. FL Display sequence: Display 1 2. Region code display, TV broadcasting system & the model no. information. Note: Refer to Figure 8.1 for Video Design Information. Region display Display is automatically clear after 5 seconds. In STOP (no disc) mode, press STOP button on the

29、main unit, and 6 button on the remote control unit. N: no PAL / P: PAL Model No. Information N: NTSC / 6: PAL60 Region No.: 0-8 CPPM/CRM Keys Check Cancelled automatically 5 seconds later. In STOP (no disc) mode, press STOP button on the main unit, and SOUND button on the remote control unit. 0: NG

30、1: OK 0: NG 1: OK CPPM/CRM refers to the Content Protection for Recordable Media and Pre-Recorded Media. It displays the existence of the keys as 1 or 0. OK: Existing of keys. NG: Non existing of keys. 23 6.2.3.Service Mode Table 3 (For DVD) FL Display Key Operation Front Key Item DescriptionMode Na

31、me Initialization Micro-processor firmware version display & EEPROM checksum display. DVD Module P.C.B. Reset Initialization. User settings are cancelled and player is initialized to factory setting. It is necessary when after replacement of Micro-processor (DV5 LSI) IC, FLASH ROM IC (IC8651), EEPRO

32、M IC (IC8611) & DVD Module P.C.B. Micro-processor firmware version display & EEPROM checksum display. EEPROM checksum is only available due to existence of EEPROM IC. Note: Condition 1/2/3 shows the state of EEPROM IC. FL Display sequence: Display 1 2 3. To reset DVD Module P.C.B. This process is us

33、ed when the DVD Module P.C.B. or FLASH ROM IC is replaced with a new one. In STOP (no disc) mode, press STOP button on the main unit, and 10 button on the remote control unit. Cancelled automatically 5 seconds later. In STOP (no disc) mode, press STOP button on the main unit, and 7 button on the rem

34、ote control unit. Press FL Display button on remote control unit for next page. (FL Display) While in initialization mode, press & hold STOP button on the main unit for 3 seconds, follow by ENTER button on the remote control unit. (Display 2) If the version of the EEPROM does not match, NG is displa

35、yed. (Condition 1) (a) If there is NO EEPROM header string OR (b) If there is no EEPROM (no data is received by Micro-processor), NO is displayed. (Condition 2) Opecon Version EEPROM Checksum (If applicable, refer below.) (Display 3) (Display 1) (Condition 3) If the EEPROM version matches, checksum

36、YYYY is displayed. 24 6.2.4.Service Mode Table 4 (For DVD) FL Display Key Operation Front Key Item DescriptionMode Name DVD Module P.C.B. firmware version display Cancelled automatically 5 seconds later. In STOP (no disc) mode, press STOP button on the main unit, and 8 button on the remote control u

37、nit. DVD Module P.C.B. firmware version is displayed on the FL Display. The firmware version can be updated using recovery disc. Note: It is necessary to check for firmware version before carrying out the version up using the disc. Destination System controller version System controller generation R

38、egion No.: 0-8 Timer 1 check DVD laser usage time (Display 1) Shown to the above is DVD laser usage time, and to the below is CD laser usage time. Time is shown in 5 digits of decimal notation in a unit of 10 hours. 00000 will follow 99999. (DVD laser) (Display 2) CD laser usage time Time is shown i

39、n 6 digits of decimal notation in a unit of 10 hours. 000000 will follow 999999. (CD laser) Press FL Display button for next page of FL Display. Cancelled automatically 5 seconds later. In STOP (no disc) mode, press STOP button on the main unit, and button on the remote control unit. Timer 1 reset T

40、imer 2 check Timer 2 reset Timer 1 check Laser operation timer is measured separately for DVD laser and CD laser. FL Display sequence: Display 1 2. Timer 1 reset Laser operation timer of both DVD laser and CD laser is reset all at once. Timer 2 check Spindle motor operation timer Timer 2 reset Spind

41、le motor operation timer Time is shown in 5 digits of decimal notation in a unit of 10 hours. It will clear to 00000 upon reset. Time is shown in 5 digits of decimal notation in a unit of 1 hour. 00000 will follow 99999. Time is shown in 5 digits of decimal notation in a unit of 1 hour. It will be c

42、leared to 00000 upon activating this. Cancelled automatically 5 seconds later While displaying Timer 1 data, press STOP button on the main unit, and button on the remote control unit. Cancelled automatically 5 seconds later. In STOP (no disc) mode, press STOP button on the main unit, and button on t

43、he remote control unit. Cancelled automatically 5 seconds later. While displaying Timer 2 data, press STOP button on the main unit, and button on the remote control unit. 25 Figure 6.1 Video Design Information English, Spanish, Canadian, French (S)Japanese, English English, French, German, Spanish,

44、Polish, Russian, Czech, Hungarian English, French, German, Italian, Spanish, Polish, Swedish, Dutch English, French, German, Spanish, Polish, Russian, Czech, Hungarian GA, GD GT, GJ English, Traditional Chinese English, French, German, Italian, Spanish, Polish, Swedish, Dutch English, Spanish, Frenc

45、h, Brazilian Portuguese English, French, German, Spanish, Polish, Russian, Czech, Hungarian GKEnglish, Simplified Chinese GN EE PN, PH, PU, PR EP P, PC, PX GC, GS EB, EG NTSC (*B) SourceOutput Screen SaverNTSC NTSC disc NTSC (default) PAL60 PAL discPAL NTSC (*A) SourceOutput Screen SaverNTSC NTSC discNTSC PA