26
HCD-EA20
[TEST DISC LIST]
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
Note:
Do not use exiting test disc for DVD.
AUTO SERVO ADJUSTMENT
After parts related to the servo circuit (RF amplifier (IC001), DSP
(IC501), motor driver (IC501), EEPROM (IC903) so on) are
replaced, re-adjusting the servo circuit is necessary. Select “ALL”
at “1. DRIVE AUTO ADJUSTMENT” (Refer to page 28 in TEST
MODE) and adjust DVD-SL (single layer), CD and DVD-DL (dual
layer).
SECTION 5
ELECTRICAL ADJUSTMENT
90 to 9F : BU down operating.
A0 to AF : Opening/closing the shutter. Or stationary state in
open/close the shutter is enablement.
B0 to BF : BU up requesting.
C0 to CF : BU down requesting.
D0 to DF : BU upping.
E0 to EF : No disc checking in disc loading.
cc: Operating status of mechanism deck at an error occurred.
(lod oq jcp)
00
: Complete the operation.
10 to 1F : Open operating.
20 to 2F : Close operating.
30 to 3F : Release operating.
60 to 6F : Chucking operating.
70 to 7F : Kicking operating.
80 to 8F : Returning the BU to home position. (after kicking)
6.
VERSION INFORMATION
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-EA20
Region
0x
Config
xxxxxxxx
Front End Ver.x.xx
Exit: RETURN
IF con.
: The version of system controller (IC501).
SYScon. : The version of DVD system processor (IC207).
Front End: The version of mechanism controller (IC901).
7.
VIDEO LEVEL ADJUSTMENT
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
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