Sharp MD-MT877S Service Manual page 19

Change of Tset Mode Menus
BASS
T E S T
SKIP UP SKIP DOWN
Slide external Slide internal
periphery move periphery move
SKIP DOWN
A U T O 1
SKIP UP SKIP DOWN
A U T O 2
SKIP UP SKIP DOWN
T P L A Y
SKIP UP SKIP DOWN
T R E C
SKIP UP SKIP DOWN
M A N U 1
SKIP UP SKIP DOWN
M A N U 2
SKIP UP SKIP DOWN
R S L T 1
SKIP UP SKIP DOWN
R S L T 2
SKIP UP SKIP DOWN
D i n M o n
SKIP UP SKIP DOWN
E D A T A
SKIP UP SKIP DOWN
N O R M A L
SKIP UP SKIP DOWN
E E P R O M
SKIP UP
* When the [STOP] button is pressed in specific menu, the "TEST MODE STOP" state is set.
* When the [VOLUME+] button is pressed in the "TEST MODE STOP" state, the program version
is displayed for 2 seconds
* When the [VOLUME–] button is pressed in the "TEST MODE STOP" state, all the displays
appear for 2 seconds.
Servo Preautomatic Adjustment
A U T O 1
PLAY
A T 1
Adjustment error
A D J . N G
Normal end
A D J . O K
PLAY
A T 2
* When the [STOP] button is pressed in specific menu, the "TEST MODE STOP" state is set.
* Move the pickup lens manually to the innermost periphery before performing the servo
preliminary auto adjustment. (Refer to "Change of test mode menus" for the operation method.)
* " " is the internal processing number, the meanings of the numbers are as follows.
0 0 : Initial setting
0 2 : ABEF input offset measurement
0 4 : AB input (ABMAXO) level setting
0 5 : Focus ATT tentative setting
0 6 : Pit section EF input level setting
0 7 : COUT level setting for pit section adjustment
0 8 : Sled external periphery move
0 9 : Groove section EF input level setting
1 0 : COUT level setting for groove section adjustment
1 1 : TCRS input level setting
1 2 : Tracking ATT initial setting
1 3 : AB input (LPFABO) level setting
1 4 : Focus ATT initial setting
1 6 : TCRS input offset measurement
* It is necessary for each test mode where servo operation is made to complete the preliminary
adjustment. (Otherwise, "ErADJ." appears.)
* The preliminary adjustment complete state is stored on the EEPROM (protected field).
: Test mode stop
: Pre-automatic adjustment menu
: ATT auto adjustment menu
: Continuous playback menu
: Continuous record menu
: Pre-manual adjustment menu
: ATT manual adjustment menu
: Pre-adjustment value check menu
: ATT adjustment value check menu
: Digital input signal monitor menu
: Error history display menu
: Test mode normal play menu
: EEPROM setting menu
: Preautomatic adjustment menu
Adjustment error
: During preautomatic adjustment
: Preadjustment error (adjustment value output)
: Preadjustment normal end (adjustment value output)
: During ATT automatic adjustment
– 19 –
MD-MT877/MD-MT877C