Panasonic DMR EX75EG DVD Recorder – service mode, error codes, SMPS circuit diagram

Panasonic DMR-EX75EG, DMR-EX75EC, DMR-EX75EB, DMR-EX85EG, DMR-EX85EB

ABOUT DivX (EXCEPT EB)

GENERAL

DivX is a new video compressing format that is applied MPEG-4 technology to improve quality and the compressibility and it is developed by the DivXNetworks, Inc., Video file of high resolution and the high picture quality can be made thought it is a high compressibility.

DivX codec is necessary for converting video to DivX file and playback files made.

OPERATING INSTRUCTIONS ABOUT DivX VIDEO-ON-DEMAND CONTENT

DivX Video-on-Demand (VOD) content is encrypted for copyright protection. In order to play DivX VOD content on this unit, you first need to register the unit.

Follow the online instructions for purchasing DivX VOD content to enter unit’s registration code and register unit.

After playing DivX VOD content for first time, another registration code is then displayed in “DivX Registration”. Do not use this registration code to purchase DivX VOD content. If you use this code to purchase DivX VOD content and the play content on this unit, you will no longer be able to play any content that you purchased using previous code.
If you purchase DivX VOD content using a registration code different from this unit’s code, you will not be able to play this content. (“Authorization Error” is displayed.)
Some DivX VOD content can only be played a set number of times.
When you play this content, remaining number of plays is displayed. You cannot play this content when number of remaining plays is zero.

When playing this content
Number of remaining plays is reduced by one if
 you press [POWER]
 you press [STOP]
 you press [backwards SKIP],
[backwards SLOW / SEARCH] or [forwards SLOW / SEARCH] etc. and arrive at another content or start of content being played.
- scheduled [DRIVE SELECT] to change drive
* Resume functions do not work.

ABOUT DivX DRM
Divx file includes file to which DRM(Digital Right Management) is applied and file not applied. This item is a content that relates only in treating file to which DRM is applied.
1. Registration Code display function
2. User’s registration and approval function
3. Rental management function

REGISTRATION CODE DISPLAY FUNCTION
Registration Code is alphanumeric character sequence 8 bytes inputted as recorder information, in case a use purchases or rent a DivX DRM file in a network. Registration code is a character sequence generated at random, and differs in each recorder.
Moreover, Registration code is updated by new user authentication ever if same recorder.

USER’S REGISTRATION AND APPROVAL FUNCTION

Only one user can register for one recorder. If user’s registration is not done with the recorder, DivX file cannot be played back.

User’s registration is performed only when a DivX DRM file is first chosen by recorder

DivX DRM file that can perform user’s registration is only a file that is registered Registration Code and purchased or rented.

User authentication is performed whenever DivX DRM file is played back. Error message is displayed when failing in user’s registration and approval.

RENTAL MANAGEMENT FUNCTION

There are purchase file without registration of number of playback and rental files with registration of number of playback as Divx file. Number of playback of rental file is counted by the recorder. When rental file is played, remaining number of times that can be played back will be shown to users, recorder requests users to input yes or no. Following specifications have been installed for the rental files in the purpose to clarify the count condition of number of times of playback.

Conditions on counting number of times of play.

1. When a file was opened successfully. (At the time of playback start)

2. When you have done review operation from the start. (Skip to file head)

 At this time, remaining number of times that can be played back and confirmation message [Do you play really?] are displayed.

 When the playback point has been skipped to the top of title, number of playback is not counted if the top of title was not recognized.

 Even if the power failure occurs after start of playback of rental file, number of times of playback counted at start of the playback is held as it is.

(Though playback stops by power failure, the number of times of playback is not counted.)

When it has reached head of title, the playback is ended, and screen becomes DivX menu (There is no resume) and then cursor is located on title that has been played back.Then if the same file was continuously played back, it begins to playback from the file head.

Note: Above mentioned stored user information and number of times of playback are not erased by update of firmware or by initialization by test mode.

Error codes

Resetting Method

Resetting object          Condition of power     Short Terminal

IC7501 (Timer IC)           POWER ON          IC7502-4 (Reset_L) and (GND)

You must use print attached to service part (EEPROM or P.C.B. including EEPROM) or must use copy of print below as “Warning for Customers who use the DivX Video-on-Demand content.”Information needed without fail for the customer for whom it is used continuing DivX Video-on-Demand Service to “Manual for the customer” is recorded.

Appendix: Parts that memorize user’s information are only EEPROM.

The registration of Registration Code is possible for half a year up to 6 recorders up to 10 recorders a year. Replacement of EEPROM or P.C.B. including EEPROM spends one of this.

Registration Code is memorized in EEPROM (RFKxxxxxx).

Model without VHS: on Main P.C.B.Model with VHS: on Digital I/F P.C.B. (Power & DVD I/F/P.C.B.)If exchange above P.C.B. or EEPROM, new registration Code differ from previous Registration Code will be generated.In this case if your customer uses DivX Video-on-Demand service, he/she will no longer be able to play any content that he/she purchased under that same registration code. Therefore your customer will need to obtain and register the new registration code.

SMPS circuit diagram  [Click on the pictures to zoom in]

Prepare latest firmware updating disc. Main Firmware is being recorded in HDD, but new HDD has no data.
CAUTION:  Writing of Main Firm needs 3, 4 minutes.
 Never cut the power of DVD Recorder until writing in Firmware ends.
 Initial settings and contents of reservation will not change if writing is normally completed.
Writing Procedure of Main Film:
1. Prepare updating disc for firm ware
2. Replace HDD
3. Turn on power of DVD Recorder
4. After [PLEASE WAIT] is displayed on FL., [HDD ERR] is displayed on FL
5. Tray opens automatically
6. Insert updating disc for Firmware and press OPEN / CLOSE key
(If a wrong disc was insered, [NG DISK] [NO FVU] is displayed on FL.)
7. [LOAD] => [LD FVU] => [M_FIRM] are displayed on FL alternately
8. [MAIN] => [UPD OK] blink alternately and Tray opens. Take out disc (Writing was finished)
9. Press Power button to turn off power
10. Press Power button to turn on power
11. [HELLO] => [SELF CHECK] are displayed on FL
12. [UNFORMATED] is displayed on FL
13. After [UNFORMAT] was displayed, message to request FORMAT is displayed on TV screen
14. Select [Yes] and press [ENTER] key to format HDD
(After FORMAT, program in HDD will be lost, but Main firm will not be lost)
“Write of the main farm” is completed above
* Drive firm is not updated by above operation. If you wish update Drive firm, please prepare the disc for latest firmware update,and write again.
* If the version of the firm you have prepared was same as or later than has already been written in deck, “UNSUPPORT” is displayed on FL.
* In a usual updating of firmware, writing is not performed when the timer reservation standby was not released.

NOTICE AFTER REPLACING RAM/DIGITAL P.C.B. MODULE
After replacing RAM/Digital P.C.B. Module, “TM AV1” is displayed on FL. Once power off, and start-up again.  

SELF-DIAGNOSIS AND SPECIAL MODE SETTING
SELF-DIAGNOSIS FUNCTIONS

Self-Diagnosis Function provides information for errors to service personnel by “Self-Diagnosis Display” when any error has
occurred.
U**, H** and F** are stored in memory and held.
You can check latest error code by transmitting [0] [1] of Remote Controller in Service Mode.
Automatic Display on FL will be cancelled when the power is turned off or AC input is turned off during self-diagnosis display is ON.