XL-T300 (serv.man11). Test mode - Sharp Audio Service Manual (repair manual). Page 4

Read Sharp XL-T300 (serv.man11) Service Manual online

XL-T300H
– 16 –
Press the following buttons in this state to obtain the operations specified below.
"ON/STAND-BY" ...... Test mode and power turned off to shift to the ordinary standby mode.
"FF/FWD" ................. The pickup slides toward the outer periphery while this button is pressed.
"REW/REV" .............. The pickup slides toward the inner periphery while this button is pressed.  If PICKUP IN is on, input is
invalid.
"PLAY" ..................... Invalid
"STOP" ..................... Return to step 1
"FUNCTION" ........... Shift to step 6
"MEMORY" .............. Shift to step 5
*If the focus is not received, the process returns to step 1.
7. Step 7 Mode
Press "MEMORY" key during step 6 operation to display automatically adjusted values on LCD in the order as below.  Item
names are displayed by left alignment, and adjusted values by right alignment in hexadecimal numbers.  Operations other
than display are as same as those for step 5.
a) "Fb" is displayed on the left of LCD.  FTBAST command (D480) is transmitted to designate focus balance adjusting
register.  Then data read by read command SRC2 (2) are displayed in hexadecimal numbers.  After waiting 2 seconds,
operation is shifted to (b).
b) "FG" is displayed on the left of LCD.  FTBAST command (D481) is transmitted to designate focus gain adjusting register.
Then data read by read command SRC2 (2) are displayed in hexadecimal numbers.  The upper two bits, which are invalid,
are displayed as "00".  After waiting two seconds, operation is shifted to (c).
c) "Tb" is displayed on the left of LCD.  FTBAST command (D482) is transmitted to designate tracking balance adjusting
register.  Then data read by read command SRC2 (2) are displayed in hexadecimal numbers.  After waiting 2 seconds,
operation is shifted to (d).
d) "TG" is displayed on the left of LCD.  FTBAST command (D483) is transmitted to designate tracking gain adjusting register.
Then data read by read command SRC2 (2) are displayed in hexadecimal numbers.  The upper two bits, which are invalid,
are displayed as "00".  After waiting 2 seconds, operation is shifted to (e).
e) "FO" is displayed on the left of LCD.  FTBAST command (D484) is transmitted to designate focus offset adjusting register.
Then data read by read command SRC2 (2) are displayed in hexadecimal numbers.  After waiting 2 seconds, operation
is shifted to (f).
f) "TO" is displayed on the left of LCD.  FTBAST command (D485) is transmitted to designate tracking offset adjusting
register.  Then data read by read command SRC2 (2) are displayed in hexadecimal numbers.  After waiting 2 seconds,
operation is shifted to (g).
g) "FF" is displayed on the left of LCD.  FTBAST command (D486) is transmitted to designate RF amplitude adjusting register.
Then data read by read command SRC2 (2) are displayed in hexadecimal numbers.  After waiting 2 seconds, operation
is shifted to (a).
Page of 7
Display

Click on the first or last page to see other XL-T300 (serv.man11) service manuals if exist.