DV-K301C
6. ADJUSTMENT
6.1 ADJUSTMENT ITEMS AND LOCATION
Adjustment Points (PCB Part)Adjustment Items
DVDM ASSY[Electrical Part]
116MHz Master Clock Adjustment
CN9030CN9020SIDE A
2VCO Offset Adjustment
1
VC901
IC904
5
1
IC801
MB86371C6.2 JIGS AND MEASURING INSTRUMENTS
CN201
1, 2 : Focus Error
3, 4 : GND
5, 6 : RF
7 : S REQ
8: 3.3VCH1CH2
9,10 : Tracking Error(X)(Y)
CN120
11,12 : VREF (Approx. 2.5V)
13 : VCO DR
14 : Focus Drive(DSP output)
1314IC302Dual-trace oscilloscopeFrequency counter
1(with delay)Display digit 3 8-digit
Frequency band 3 40MHz
12
21
CN201
VC301
CN103
CN110
Screwdriver (small)
6.3 NECESSARY ADJUSTMENT POINTS
WhenAdjustment Points
EXCHANGE PCB ASSY
Exchange boardMechanical
point
KRJB ASSY
Electric
point
Exchange boardMechanical
point
DVDM ASSY
Electric
point
Note : and are adjusted already.
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ACEC
