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6.6.2 ADJUSTMENT
1 Focus Error Gain Adjustment
Test mode
LD
ON
SPDL servo
Focus UP/DOWN
DVD-position
DVD test disc (MA-1)
START
FE
DVPL BOARD ASSY
2 VCO Center Level Adjustment
Power ON
START
VCO CNT
DVPL BOARD ASSY
ON
DVPL BOARD
ASSY
Player
DVPL BOARD
ASSY
Player
VR110
Probe (10:1)
VC101
Probe (10:1)
MAC-V700
1.8 0.1
[ Vp–p ]
Oscilloscope
V: 50 mV/div
H: 5 mSec/div
DC Mode
1.9V
0.1V
GND
Oscilloscope
V: 50 mV/div
H: 10 mSec/div
DC Mode
81
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