參數(shù)資料
型號(hào)： S1L9225X
廠商： SAMSUNG SEMICONDUCTOR CO. LTD.
英文描述： RF AMP & SERVO SIGNAL PROCESSOR
中文描述： 射頻放大器
文件頁(yè)數(shù)： 41/60頁(yè)
文件大?。?/td> 623K
代理商： S1L9225X
RF AMP & SERVO SIGNAL PROCESSOR
S1L9225X
41
Balance Control Flowchart 2
Start
Environment Setting
- Focus on $08
- Spindle on CLV-S
- Tracking off $20
- Sled off gain $8110
Balance Window Level
Seting
TRCNT Freq is
High Enough
ISTAT = H
End ADJ.
B0 to B4
Switch Control
Balance ADJ. Start $8000
Other Method
- Can balance adjust while
moving tracks
- $F03 easy to trcnt freq.
check in the 2X mode
Balance ADJ. Switch
Incnease by 1 step
$8000 -> $801F
-10mV - +15mV $84 X0XX
-20mV - +20mV $84 X1XX
NO
YES
YES
1kHz Check
NO
When Tracking Balance
The balance adjust is from $8000 to $801F, and the switch mode is changed one step at a time by 16-bit data
transmission. After adjustment, a separate latch pulse is not necessary.
If the Trcnt freq. is not high enough, the balance control can be adjusted at $F03 applied 2x mode .
Here, we have suggested tracking off status for the balance adjust, but the same amount of flow can be
balance adjusted while in track move.
Among the 16 bit data, the tracking balance window setting level can be selected from 0: -10 mV
+15mV
1: -20mV
+20mV through the D6 bit.
When the tracking balance adjust is complete, the tracking gain control starts.
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