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9

On the Test Mode Menu screen, selecting 

[6]

 displays the ROM

version and region code.
The parenthesized hexadecimal number in version field is checksum
value of ROM.

## Version Information ##

 IF con.

Ver.x. xx

 SYScon.

Ver.x. xx  (xxxx)

Model

DAV-xxx

Region

0x

Config

xxxxxxxx

 Front End Ver.x.xx

Exit: RETURN

IF con.

: The version of system controller (IC901).

SYScon. : The version of DVD system processor (IC206).
Front End: The version of mechanism controller (IC301).

On the Test Mode Menu screen, selecting 

[7]

 displays color bars

for video level adjustment. During display of color bars, OSD
disappears but the menu screen will be restored if pressing the

[RETURN]

 key.

On the Test Mode Menu screen, selecting 

[5]

 displays the information

of mechanism deck error history.
The history information from last 1 up to 8 can be scrolled with the

O key or o key. Also, specific information can be displayed by

directly entering that number with ten keys.

### Mecha Error History ###

  1. aa bb cc dd xx xx xx xx

  2. aa bb cc dd xx xx xx xx

  3. aa bb cc dd xx xx xx xx

  4. aa bb cc dd xx xx xx xx

  5. aa bb cc dd xx xx xx xx

  6. aa bb cc dd xx xx xx xx

  7. aa bb cc dd xx xx xx xx

  8. aa bb cc dd xx xx xx xx

Scroll:UP/DOWN

(1.Latest Err.)

Exit: RETURN

aa : The error in the midst of initializing the mechanism deck.
bb : The error in the midst of loading operation.
cc : The error in the midst of up/down the stocker.
dd : The error in the midst of switching the mechanism deck mode.
xx : Not used.

• Error code (aa)

FF : Complete the initializing. (normal operation)
11 : Stocker movement (to chucking position) failing in the midst

of initializing the mechanism deck.

12 : Stocker movement (to chucking position) failing in the midst

of initializing the mechanism deck.

1x : Initializing the mechanism deck.
2x : Initializing the mechanism deck.
3x : Initializing the mechanism deck.
41 : Disc eject failing in the midst of initializing the mechanism

deck.

4x : Initializing the mechanism deck.
50 : Disc eject failing in the midst of initializing the mechanism

deck.

5x : Initializing the mechanism deck.
A2 : Disc eject failing in the midst of initializing the mechanism

deck.

Ax : Initializing the mechanism deck.
D3 : Disc eject failing in the midst of initializing the mechanism

deck.

Dx : Initializing the mechanism deck.
Ex : Initializing the mechanism deck.

•

Error code (bb)

00 : Initializing the mechanism deck.
10 : Retry over of eject and loading.
30 : Open operation in no disc status.
60 : Retry over of eject and loading.
70 : Disc is chucking position.
81 : Retry failed of disc movement from chucking position to

stocker.

83 : Retry preparation failed of disc movement from chucking

position to stocker.

90 : Disc is stored in the stocker.
A1 : Retry failed of disc movement from stocker to chucking

position.

A3 : Retry preparation failed of disc movement from stocker to

chucking position.

B0 : Just before the release operation.
B1 : Retry failed of the release operation.

• Error code (cc)

10 : Under a stop.
22 : Retry preparation failed.
23 : Retry failed.

• Error code (dd)

10 : Under a stop.
22 : Retry preparation failed.
23 : Retry failed.

10

Use the following test disc on test mode.
TDV-520CSO (DVD-SL) : PART No. J-2501-236-A
LUV-P01 (CD)

: PART No. 4-999-032-01

TDV-540C (DVD-DL)

: PART No. J-2501-235-A

Do not use exiting test disc for DVD.

After parts related to the servo circuit (RF amplifier (IC001), DSP
(IC401), motor driver (IC501), EEPROM (IC302) so on) and optical
pick-up (DBU-1) are replaced, re-adjusting the servo circuit is
necessary. Select “ALL” at  “1. DRIVE AUTO ADJUSTMENT”
(Refer to page 4 in TEST MODE) and adjust DVD-SL (single layer),
CD and DVD-DL (dual layer).

10

Use the following test disc on test mode.
TDV-520CSO (DVD-SL) : PART No. J-2501-236-A
LUV-P01 (CD)

: PART No. 4-999-032-01

TDV-540C (DVD-DL)

: PART No. J-2501-235-A

Do not use exiting test disc for DVD.

After parts related to the servo circuit (RF amplifier (IC001), DSP
(IC401), motor driver (IC501), EEPROM (IC302) so on) and optical
pick-up (DBU-1) are replaced, re-adjusting the servo circuit is
necessary. Select “ALL” at  “1. DRIVE AUTO ADJUSTMENT”
(Refer to page 4 in TEST MODE) and adjust DVD-SL (single layer),
CD and DVD-DL (dual layer).

10

Use the following test disc on test mode.
TDV-520CSO (DVD-SL) : PART No. J-2501-236-A
LUV-P01 (CD)

: PART No. 4-999-032-01

TDV-540C (DVD-DL)

: PART No. J-2501-235-A

Do not use exiting test disc for DVD.

After parts related to the servo circuit (RF amplifier (IC001), DSP
(IC401), motor driver (IC501), EEPROM (IC302) so on) and optical
pick-up (DBU-1) are replaced, re-adjusting the servo circuit is
necessary. Select “ALL” at  “1. DRIVE AUTO ADJUSTMENT”
(Refer to page 4 in TEST MODE) and adjust DVD-SL (single layer),
CD and DVD-DL (dual layer).