Ic Block Diagram - Sanyo MCD-Z5F Service Manual

IC BLOCK DIAGRAM & DESCRIPTION
IC101 LA9220MS (Servo Signal Processor)
No. PIN NAME
1/0
FUNCTION
1 FIN2 I Connection Pin for Photo Diode of Pickup.
m
FUNCTION
Input Pin for Tracking Off Control Signal from
Diaital Sianal Processor. TOFF = H: Off
I
2 FIN1 I FIN2 +FIN1 =RF, FIN2-FIN1 = FE
3 E
I Connection Pin for Photo Diode of Pickup.
4 F I E-F=TE
36 TES
I
o
Output Pin for Track Error Sense Signal to I
Digital Signal Processor.
High Frequency Level Signal use Detection
37 HFL
I
El$===
Input Pm for DC ingredient of TE Signal.
Connection Pm for Gain Setting Resistor of TE
O Output Pin for Tracking Error Signal .
Input Pin for Track Error Sense Comparator. TE
Main-Beam Position is on the mt or mirror. I
=
Input Pin for Sled Servo Off Control.
Input Pm for Constant Linear Veloclty Error
Signal from Digital Signal Processor.
Signal through Band pass, and Inputted.
9
Scl I
Input Pin for Shock Detection.
10 TH I Connection Pin for Time Constant Setting of
Connechon Pm for Gam Setting of RF and
Constant Setting of 3T Compensation of the
EFM Signal with RFSM Pin.
Slice Level Control Signal IS Output Pm, It
I
I
I Trackmo Gam
11
TA
O ] Output Pm for TA Amplifier.
12 \ TD-
1
Connection Pm for Constant of Tracking Phase Control Level of Data-Slice by Digital Signal I
I
I I Compensation, Consist of between TD and VR. Processor of the RF Waveform.
Input Pm for Level Control of Data-Slice by
13 \ TD I I I Conne t" c Ion Pin for Constant of Tracking Phase
Dioital Sianal Processor. I I Compensation.
14 \ JP I ConnectIon Pin for Amplitude Setting of Track- Ground for Digital Signal.
Input Pin Far VCO Control Amplifier, Consist
of PLL Loop Falter with VCOC and PDO of
Digital Signal Processor.
Output Pin for VCO Control Signal.
Output Pin for VCO Signal.
Outout Pm for Defect DetectIon of DISC.
I
I I ina Jumo (Kick Pulse) Sianal.
47 Vcoc o
48 Vco o
49 DEF
o
50
CLK I
51 CL
I
52
DAT I
53 CE
I
15 TO o Output Pin for Tracking Control Signal.
16 FD o Output Pin for Focusing Control Signal.
17 FD- 1 Connection Pin for Constant of Focusing Phase
I
I ! Compensation. Consist of between FD and FA.
18 FA + I Connection Pin for Constant of Focusing Phase
Compensation, Consist of between FD- and
FA-.
Input Pin for Reference Clock Pulse, Input I
4.23 MHz of Digital Signal Processor.
Input Pin of Clock Pulse for Command from
19 FA-
1
Connection Pin for Constant of Focusing Phase
Compensation, Consist of between FA and FE.
20 FE o Output Pin for Focusing Error Signal
21 FE- 1
Connection Pm for Gain Setfmg Resrstar of FE
Signal to FE Signal pin.
22 AGND -
Ground for Analog Signal.
23
SP o
Output Pin for Single End of Input Signal of the
CV +. CV- Pin.
Micro Processar.
I
input Pin of Data for Command from Micro I
Processor.
Input Pin of Chip Enable for Command from
Micro Processor
I
54
I
DRF
I
o
Detect RF Signal is Output Pm for RF Level /
Detection.
ConnectIon Pin for Adiustina of VCO Free-run. 24 I SPI I Input Pin for Spindle Ampllfler.
25
I
SPG
I
ConnectIon Pin for Gam Setting Resistor, when -1- 56 VCC2
57 REFI
I
VCC for Servo and Digital Root.
Bus Control Connection Pin for Reference
Voltage.
Outout Pin for Reference Voltaae.
I
I I Somdle 12 cm Mode.
26 I SP- I I I Connection Pin for Constant of Spindle Phase
Compensation with SPD Pin.
27 SPD
o
Output Pin for Spindle Control Signal.
28 SLEQ I Connection Pin for Constant of Sled Phase
58 I VR
o
59
I
LF2
I
Connection Pin for Time Constant Setting of I
Defect Detection of the Disc.
Capacitor Connection Pm for Peak-hold of RF
EEl====
O Output Pin for Sled Control Signal.
Input Pin for Sled Signal from Micro Processor.
Input Pin for Tracking Jump Signal from Dlgltal
60 PHI
I
1
Signal.
I
Capacitor ConnectIon Pin for Bottom-hold of
RF Signal.
Output Pin of APC (Automatic Power Control)
-t+
62 LDD
o
63 LDS
CircuN.
Input Pin of APC (Automatic Power Control)
33 I JP+ I I I SIanal Processor
34 TGL
I
Input Pin for Tracking Gain Control Signal from
Digital Signal Processor. TGL = H: Gam Low
Circuit
I
1 t
64 I VCC 1
I VCC for RF Root
-15-