AIWA CDC-X227 Service Manual - Page 30

IC, LA9241ML

Get AIWA CDC-X227 PDF manuals and user guides View all AIWA CDC-X227 manuals
Add to My Manuals
Save this manual to your list of manuals

Page 30 highlights

IC, LA9241ML Pin No. Pin Name 1 FIN2 2 FIN1 3 E 4 F 5 TB 6 TE- 7 TE 8 TESI 9 SCI 10 TH 11 TA 12 TD- 13 TD 14 JP 15 TO 16 FD 17 FD- 18 FA 19 FA- 20 FE 21 FE- 22 A-GND 23 NC 24 SP 25 SPG 26 SP- 27 SPD 28 SLEQ 29 SLD 30 SL- 31 SL+ 32 JP- 33 JP+ 34 TGL 35 TOFF 36 TES I/O Description For the connection of the pickup photodiode. Addition to the FIN1 pin creates an RF signal O and subtraction from it create an EF signal. O For the connection of the pickup photodiode. O For the connection of the pickup photodiode. Subtraction from the F pin creates a TE signal. O For the connection of the pickup photodiode. I Inputs the DC components in the TE signal. For the connection of a resistor which sets the gain of the TE signal between this pin and the O TE pin. O TE signal output. I TES (track error sense) comparator input. The signal is passed through a BPF. I Shock detection input. I Sets the time constant for the tracking gain. O TA amp output. I Composes the tracking phase compensation constant between the TD and VR pins. I Sets the tracking phase compensation. I Sets the amplitude of the tracking jump signal (kick pulses). O Tracking control signal output. O Focusing control signal output. I Composes the focusing phase compensation constant between the FD and FA pins. O Composes the focusing phase compensation constant between the FD and FA pins. I Composes the focusing phase compensation constant between the FD and FA pins. O FE signal output. For the connection of a resistor which sets the gain of the FE signal between this pin and the I TE pin. O Ground of analog signals. - Not connected. O Single-ended output of the signal input to the CV+ and CV- pins. I For the connection of a resistor which sets the gain in the spindle 12cm mode. I For the connection of the spindle phase compensation constant with the SPD pin. O Spindle control signal output. I For the connection of sled phase compensation constant. O Sled control signal output. I Sled feed signal input from the microprocessor. I Tracking signal input from the DSP. I Tracking gain control signal input from the DSP. Low gain when TGL is "H". I Tracking off control signal input from the DSP. Off when TOFF is "H". O Output the TES signal to the DSP. - 30 -

  • 1
  • 2
  • 3
  • 4
  • 5
  • 6
  • 7
  • 8
  • 9
  • 10
  • 11
  • 12
  • 13
  • 14
  • 15
  • 16
  • 17
  • 18
  • 19
  • 20
  • 21
  • 22
  • 23
  • 24
  • 25
  • 26
  • 27
  • 28
  • 29
  • 30
  • 31
  • 32
  • 33
  • 34
  • 35
  • 36
  • 37
  • 38
  • 39
  • 40
  • 41
  • 42
  • 43
  • 44
  • 45
  • 46
  • 47
  • 48
  • 49
  • 50
  • 51
  • 52
  • 53
IC, LA9241ML
Pin No.
Pin Name
I/O
Description
1
FIN2
O
For the connection of the pickup photodiode. Addition to the FIN1 pin creates an RF signal
and subtraction from it create an EF signal.
2
FIN1
O
For the connection of the pickup photodiode.
3
E
O
For the connection of the pickup photodiode. Subtraction from the F pin creates a TE signal.
4
F
O
For the connection of the pickup photodiode.
5
TB
I
Inputs the DC components in the TE signal.
6
TE-
O
For the connection of a resistor which sets the gain of the TE signal between this pin and the
TE pin.
7
TE
O
TE signal output.
8
TESI
I
TES (track error sense) comparator input. The signal is passed through a BPF.
9
SCI
I
Shock detection input.
10
TH
I
Sets the time constant for the tracking gain.
11
TA
O
TA amp output.
12
TD-
I
Composes the tracking phase compensation constant between the TD and VR pins.
13
TD
I
Sets the tracking phase compensation.
14
JP
I
Sets the amplitude of the tracking jump signal (kick pulses).
15
TO
O
Tracking control signal output.
16
FD
O
Focusing control signal output.
17
FD-
I
Composes the focusing phase compensation constant between the FD and FA pins.
18
FA
O
Composes the focusing phase compensation constant between the FD and FA pins.
19
FA-
I
Composes the focusing phase compensation constant between the FD and FA pins.
20
FE
O
FE signal output.
21
FE-
I
For the connection of a resistor which sets the gain of the FE signal between this pin and the
TE pin.
22
A-GND
O
Ground of analog signals.
23
NC
-
Not connected.
24
SP
O
Single-ended output of the signal input to the CV+ and CV- pins.
25
SPG
I
For the connection of a resistor which sets the gain in the spindle 12cm mode.
26
SP-
I
For the connection of the spindle phase compensation constant with the SPD pin.
27
SPD
O
Spindle control signal output.
28
SLEQ
I
For the connection of sled phase compensation constant.
29
SLD
O
Sled control signal output.
30
SL-
I
Sled feed signal input from the microprocessor
.
31
SL+
32
JP-
I
Tracking signal input from the DSP.
33
JP+
34
TGL
I
Tracking gain control signal input from the DSP. Low gain when TGL is "H".
35
TOFF
I
Tracking off control signal input from the DSP. Off when TOFF is "H".
36
TES
O
Output the TES signal to the DSP.
– 30 –