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CXD3068Q
$3F8 (preset: $3F8800)
D15
D14
D13
D12
D11
D10
D9
D8
D7
D6
D5
D4
D3
D2
D1
D0
1
0
0
0
SYG3 SYG2 SYG1 SYG0 FIFZB3 FIFZB2 FIFZB1 FIFZB0 FIFZA3 FIFZA2 FIFZA1 FIFZA0
SYG3 to SYG0: These simultaneously set the focus drive, tracking drive and sled drive output gains. See the
$CX command for the spindle drive output gain setting.
SYG3
0
0
0
0
0
0
0
0
1
1
1
1
1
1
1
1
0
0
0
0
1
1
1
1
0
0
0
0
1
1
1
1
0
0
1
1
0
0
1
1
0
0
1
1
0
0
1
1
0
1
0
1
0
1
0
1
0
1
0
1
0
1
0
1
0 (–
∞
dB)
0.125 (–18.1dB)
0.250 (–12.0dB)
0.375 (–8.5dB)
0.500 (–6.0dB)
0.625 (–4.1dB)
0.750 (–2.5dB)
0.875 (–1.2dB)
1.000 (0.0dB)
1.125 (+1.0dB)
1.250 (+1.9dB)
1.375 (+2.8dB)
1.500 (+3.5dB)
1.625 (+4.2dB)
1.750 (+4.9dB)
1.875 (+5.5dB)
SYG2
SYG1
SYG0
GAIN
∗
∗
: preset
FIFZB3 to FIFZB0:
This sets the slice level at which FZC changes from high to low.
FIFZA3 to FIFZA0:
This sets the slice level at which FZC changes from low to high.
The FIFZB3 to FIFZB0 and FIFZA3 to FIFZA0 setting values are valid only when $3A FIFZC is 1.
Set so that the FIFZB3 to FIFZB0
≤
FIFZA3 to FIFZA0.
Hysteresis can be added to the slice level by setting FIFZB3 to FIFZB0 < FIFZA3 to FIFZA0.
FZC slice level =
×
0.5
×
V
DD
[V]
FIFZB3 to FIFZB0 or FIFZA3 to FIFZA0 setting value
32
Summary of Contents for PV420S
Page 1: ...SERVICE MANUAL PV420S WWW BBK RU ...
Page 72: ... 69 CXD3068Q Block Diagram ...
Page 73: ... 70 CXD3068Q Pin Configuration ...
Page 122: ... 119 CXD3068Q Timing Chart 1 3 ...
Page 123: ... 120 CXD3068Q Timing Chart 1 4 ...
Page 124: ... 121 CXD3068Q Timing Chart 1 5 ...
Page 129: ... 126 CXD3068Q Timing Chart 2 1 ...
Page 130: ... 127 CXD3068Q Block Diagram 2 2 ...
Page 131: ... 128 CXD3068Q Timing Chart 2 3 ...
Page 134: ... 131 CXD3068Q Timing Chart 2 6 ...
Page 138: ... 135 CXD3068Q VCO C Mode Fig 3 3 Access Flow Chart Using VCO Control ...
Page 140: ... 137 CXD3068Q Block Diagram 4 1 ...
Page 143: ... 140 CXD3068Q Timing Chart 4 4 ...
Page 147: ... 144 CXD3068Q Fig 4 6 a Auto Focus Flow Chart Fig 4 6 b Auto Focus Timing Chart ...
Page 148: ... 145 CXD3068Q Fig 4 7 a 1 Track Jump Flow Chart Fig 4 7 b 1 Track Jump Timing Chart ...
Page 149: ... 146 CXD3068Q Fig 4 8 a 10 Track Jump Flow Chart Fig 4 8 b 10 Track Jump Timing Chart ...
Page 150: ... 147 CXD3068Q Fig 4 9 a 2N Track Jump Flow Chart Fig 4 9 b 2N Track Jump Timing Chart ...
Page 151: ... 148 CXD3068Q Fig 4 10 a Fine Search Flow Chart Fig 4 10 b Fine Search Timing Chart ...
Page 152: ... 149 CXD3068Q Fig 4 11 a M Track Move Flow Chart Fig 4 11 b M Track Move Timing Chart ...
Page 157: ... 154 CXD3068Q Fig 4 15 CD TEXT Data Timing Chart ...
Page 162: ... 159 CXD3068Q Fig 5 3a Fig 5 3b ...
Page 196: ... 193 CXD3068Q Description of Data Readout ...
Page 200: ... 197 CXD3068Q ...
Page 201: ... 198 CXD3068Q ...
Page 202: ... 199 CXD3068Q ...
Page 207: ... 204 CXD3068Q Package Outline Unit mm ...
Page 208: ...This data sheet has been made from recycled paper to help protect the environment 205 ...