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i
CD
PLAYER ADJUSTMENTS
f.
ADJUSTMENTS
(a) Tracking
balance
adjustment
4
I
(1)
(2)
(3)
(4)
(5)
symmetrical,
as shown in the illustration.
(6) Switch OFF the POWER.
Within one second after pressing
the! OPENICLOSE
and
RANDOM
switches
at the same time. press the FWD
TP 131
+
switch.
(Service
mode: TRACKING
BALANCE)
(TE)
-
Connect an oscilloscopetoTP131
(T=) and TP132 (VC).
IN
Set the test disc.
TP132&
PLAY switch push ON.
(Vc)
-
Adjust SVR12 so that the oscilloscope's
waveform
is
(b) Checking
the "eye" pattern
(1) Switch "ON" the POWER.
(2) Connect an oscilloscope
to J1 479 (RF] and TPI 32 (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.
L.P. F.
10K
'7
~
~
o~c,LLoscop=
T
1*5V
Ov
P-P
lV)DIV
A=B
2.2K ohm
+
Jlf179
(RF)
o
V&
I
OSCILLOSCOPE
I
TP132
Wc)
1
NING EXPANOED
-1o-
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