Switch "Off" The Power - Sanyo DC-D9 Service Manual

.-,
CD
(a)
(1)
. . .
.' (2)
(3)
(4)
(5)
(6)
PLAYER ADJUSTMENTS
Tracking balance adjustment
Within one second after pressing
emok
&
REPEAT switches at the same time, press
the MEMORY switch. (@,@)
( Service mode: TRACKING BALANCE)
I -—1
[-l-l-
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Connect an oscilloscope to
Set the test disc. (DISC 1)
TP3 (TE) and TP4 (VC).
PLAY / PAUSE switch push "ON".
m~l
Adjust VR101 so that the oscilloscope's waveform is
RF
symmetrical, as shown in the illustration.
To cancel service mode, disconnect the power cord's plug
from the electrical outlet.
TE
": (b) Checking the "eye" pattern
(1) Switch "ON" the POWER.
(2) Connect an oscilloscope to TP1 (RF) and TP4 (VC).
(3) Load the test disc.
(4) PLAY switch push ON.
(5) Check to be sure that the " eye " pattern is at the center of
waveform and that the diamond shape is clearly defined.
(6) Press the STOP button.
(7) Switch "OFF" the POWER.
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