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(2) Shortcircuit TP2 (ASY) and TP2 (GND).
(4) Opencircuit TP2 (ASY) and TP2 (GND).
Digital frequency counter
2
7
2
® |
Qo000n0
O00
i
i"
—
a
——-o
TP3 (PLCK)
TP3 (GND)
4. E-F BALANCE ADJUSTMENT
(1) Connect the oscilloscope to CP808 (pin G-TEO) and CP808 (pin @-GND).
(2) Place test disc on turntable and play test disc (YEDS-18) music number 12.
(3) Minimise volume VR804.
Saullee ep?
i - 10:1 PROBE
!
——————
CP808 (pin 6+TEO)
——<
CP808 (pin 3-GND)
A=B
5. FOCUS OFFSET ADJUSTMENT (without jitter meter)
1) Place test disc on the turntable.
2) Put unit into play mode.
3) Connect oscilloscope to TP1 (RF) and TP1 ( GND).
4) Adjust VR802 so that eye pattern become clear and waveform (Vp-p) is maximum.
~~
NN N
Declescane
NOTE:
When
confirming
eye pattern,
you
have to use 10:1 probe.
arate
10:1 PROBE
—_
TP1 (RF)
TP1 (GND)
-ll-
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