Test Mode - Sharp CD-BA250 Service Manual

TEST MODE

·Setting the test mode
Any one of test mode can be set by pressing several keys as follows.
<X-BASS> + <CD> + <POWER> TEST:CD operation test
<<MEMORY>>
key input
Adjustment result
automatically will
display as below
for each 2 sec :
a) "FOFF_XX"
b) "TOFF_XX"
c) "TBAL_XX"
d) "TGAN_XX"
f) "FGAN_XX"
g) "RFLS_XX"
explanation:
a) Focus off set ="FOFF_XX"
b) Tracking off set ="TOFF_XX"
c) Tracking balance ="TBAL_XX"
d) Tracking gain ="TGAN_XX"
f) Focus Gain ="FGAN_XX"
g) RF level shift ="RFLS_XX"
VOL — Last memory
BAL — CENTER
P.GEQ — FLAT
X-BASS — OFF
To cancel : Power OFF
Function:-CD test mode.
-Enter test mode.
C D
OPEN/CLOSE operation is using manual.
<< >>, <<
<<PLAY>> key input.
Do TOC IL. Do normal play
When these following key is input
into PLAY key, track number can
be appoint directly
<< 1>> key: Track 4
<< 2>> key: Track 9
<< 3>> key: Track 15
<<STOP>> key input.
STOP
XX: Hex value
– 15 –
T E S T
>> buttons make pick's slide possible.
<<MEMORY>> key input.
<<MEMORY>> key input.
Tracking OFF play at that
specific point.
<<MEMORY>> key input.
Tracking ON play from
that specific point.
Adjustment result auto-
matically will display as
below
for each 2 sec :
a) "FOFF_XX"
b) "TOFF_XX"
c) "TBAL_XX"
d) "TGAN_XX"
f) "FGAN_XX"
g) "RFLS_XX"
<<STOP>> key input.
Sliding the PICKUP with
<<
must only be in STOP mode.
CD-BA250/CD-BA2600
IL isn't done
Laser ON.
STOP
>>, << >> button