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| CQ-DP37VEG/LEE
6) Tracking gain alignment (VR105)
* The same as step 5) "Focus gain alignment"
except the following :
© CD adjusting jig connection (YESFZ5019)
Lead IN (Brown)
....
Test point for TE
Lead OUT (Red)
....
Test point for TE2
e CR Oscillator :
1KHz, 280mVp_p
@ Operation :
Play the music disc.
@ Alignment (1) :
Adjust VR105 until the amplitude of CH1 and CH2 are equal.
@ Waveform :
(1)
CH1
a=b
CH2
e
Alignment (2) :
Check to be sure that the amplitude of CH2 signal becomes
1.2 : 1 when
@ Waveform :
(2)
CH1
a:b=1.2:1
CH2
7) Focus offset alignment (VR104)
© Test point :
REY ra tiaeg bates ow
Oscilloscope
CH1
© Oscilloscope setting:
CH1
...........0..
50mV/div, 0.5mS/div, AC, NORM
© Operating
Play the test disc CDT002 track #9.
® Alignment :
(A) Oberve the rising edge of a pulse depression and turn VR104 to adjust the
RF
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