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• Pin function
Pin No.
Symbol
1
PD
2
LD
3
LD ON
4
LDP
5
VCC
6
RF-
7
RF OUT
8
RF IN
9
C.AGC
10
ARF
11
C.ENV
12
C.EA
13
CS BDO
14
BDO
15
CS BRT
16
OFTR
17
/NRFDET
18
GND
19
ENV
20
VREF
21
LD OFF
22
VDET
23
TE BPF
24
CROSS
25
TE OUT
26
TE-
27
FE OUT
28
FE-
29
FBAL
30
TBAL
31
PDFR
32
PDER
33
PDF
34
PDE
35
PD BD
36
PD AC
I/O
I
APC amp input terminal
O
APC amp output terminal
I
APC ON/OFF control terminal
-
Connect to ground
-
Power supply
I
Inverse input pin for RF amp
O
RFamp output
I
RF input
I/O Connecting pin of AGC loop filter
O
RF output
I/O A capacitor is connected to this terminal to detect the envelope of RF signal
I/O A capacitor is connected to this terminal to detect the envelope of RF signal
I/O A capacitor is connected to detect the lower envelope of RF signal
O
BDO output pin
I/O A capacitor is connected to detect the lower envelope of RF signal
O
Of-track status signal output
O
RF detection signal output
-
Ground
O
Envelope output
O
Reference voltage output
-
Connect to ground
O
Vibration detection signal output
I
Input pin of tracking error through BPF
O
Tracking error cross output
O
Tracking error signal output
I
Inverse input pin for tracking error amp
O
Output pin of focus error
I
Inverse input pin for focus error amp
I
Focus balance control
I
Tracking balance control
I/O F I-V amp gain control
I/O E I-V amp gain control
I
I-V amp input
I
I-V amp input
I
I-V amp input
I
I-V amp input
Function
KD-S641
(No.49769)1-29
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