Sanyo DVD-SL20 Service Manual page 28

IC BLOCK DIAGRAM & DESCRIPTION
IC130 LC78661W-D(DVD/CD Signal Processing)
Block NO. Pin name I/O
RF I/F 1 RFPI I RF input port pin
2 TESIO I/O Tracking margin signal I/O pin
Power 3 DVDD2 - A/D D/A internal logic power supply[Digital 5V]
supply 4 DVSS - Digital GND
5 AD5 I Servo A/D input pin(AD5:Assistant input 5)
6 AD4 Servo A/D input pin(AD4:Assistant input 4)
I
7 AD3 I Servo A/D input pin(AD3:Assistant input 3)
8 AD2 I Servo A/D input pin(AD2:Assistant input 2)
A/D 9 AD1 I Servo A/D input pin(AD1:Assistant input 1)
10 AD0 I Servo A/D input pin(AD0:Assistant input 0)
11 RF-PH I Servo A/D input pin(RF-PH:RF peak hold signal)
12 RF-BH I Servo A/D input pin(RF-BH:RF bottom hold signal)
13 TE I Servo A/D input pin(TE:Tracking error signsl)
14 FE I Servo A/D input pin(FE:Focus error signal)
15
TEST pin TEST0 I Test input pin 0(L Fixed)
SLC 16 EFMINP I EFM/EFM+ input pin
TEST pin 17 TEST1 I Test input 1(L Fixed)
18 EFMINN I EFM- input pin
19 SLCLPF0 - SLC LPF pin
SLC 20 SLCLPF1 - SLC LPF pin
21 SLCO1 - SLC control pin
22 SLCO2 - SLC control pin
Power 23 AVDDI - A/D D/A SLC power supply[Analog 5V]
supply 24 AVSS - Analog GND
25 VREF Servo D/A standard voltage
O
26 SLCBIAS O Servo D/A output pin
(SLCBIAS:SLC standard voltage signal)
27 TESBIAS O Servo D/A output pin
(TESBIAS:TES standard voltage signal)
28 HFLBIAS O Servo D/A output pin
(HFLBIAS:HFL standard voltage signal)
29 OFFSET O Servo D/A output pin(OFFSET:Assistant signal)
30 BCATH O Servo D/A output pin(BCATH:Assistant signal)
D/A 31 BOOT3T O Servo D/A output pin(BOOT3T:Assistant signal)
32 RFVCA O Servo D/A output pin(RFVCA:Assistant signal)
33 TBAL O Servo D/A output pin
(TBAL:Tracking balance control signal)
34 FBAL O Servo D/A output pin
(FBAL:Focus balance control signal)
35 SGC O Servo D/A output pin(SGC:Assistant signal)
36 SLDO O Servo D/A output pin(SLDO:Thread control signal)
37 SPDO O Servo D/A output pin(SPDO:Spindle control signal)
38 TDO O Servo D/A output pin(TDO:Tracking control signal)
39 FDO Servo D/A output pin(FDO:Focus control signal)
O
Power 40 DVSS - Digital GND
supply 41 DVDDO Internal logic power supply[Digital 3.3V]
42 FG I FG counter input pin
RF I/O 43 EVENT I EVENT counter input pin
44 HFLIO I/O Mirror detest signal I/O pins
General- 45 PP0 I/O General-purpose port 0
purpose 46 PP1 I/O General-purpose port 1
port 47 PP2 I/O General-purpose port 2
48 PP3 I/O General-purpose port 3
Subcode 49 WRQ O Subcode Q ready monitor pin
Microcom- 50 HFBUSYB O DSP command dispose busy signal output pin
puter I/F 51 HBUSYB O DSP command reseiver busy signal output pin
Power 52 DVDD3 - I/O power[Digital 3.3V or 5V] [42 to 97]
supply 53 DVSS - Digital GND
Supplementation Block
Microcom-
puter I/F
Microcom-
puter I/F
Microcom-
puter I/F
Power
supply
Subcode
Monitor
eneral-
purposc
SYSTEM
CLK
TEST pin
SYSTEM
CLK
TEST pin
Power
supply
SYSTEM
CLK
Power
supply
- 27 -
NO. Pin name I/O Supplementation
54 HWAITB O Wait signal output pin
55 HIRQB O Interrupt signal output pin
56 DVDRESB I Decoder reset input pin
57 RESB I Servo reset input pin
58 HRDR I Read signal input pin
Write signal input pin
59 HWRB I
60 HCSB I Chip select signal pin
61 HDAT0 I/O Data 0
62 HDAT1 I/O Data 1
63 HDAT2 I/O Data 2
64 HDAT3 I/O Data 3
65 HDAT4 I/O Data 4
66 HDAT5 I/O Data 5
67 HDAT6 I/O Data 6
68 HDAT7 I/O Data 7
69 HADR0 I Address 0
70 HADR1 I Address 1
71 HADR2 I Address 2
72 HADR3 I Address 3
73 HADR4 I Address 4
74 HADR5 I Address 5
75 HADR6 I Address 6
76 HADR7 I Address 7
77 HADR8 I Address 8
Address 9
78 HADR9 I
79 HADR10 I Address 10
80 HADR11 I Address 11
81 HADR12 I Address 12
(Buffer memory access selector pin[MCSB])
82 DVDD3 - I/O power supply[Digital 3.3V or 5V] [42 to 97]
83 DVSS - Digital GND
84 PW/MONI0 O Subcode[P,Q,R,S,T,U,V and W] data output
pin/Monitor pin 0
85 SBCK I Subcode data readout shift clock input pin
86 SBSY Subcode block synchronization signal
O
output pin
87 SFSY/MONI1 O Subcode frame synchronization signal
output pin/Monitor pin 1
88 FSX/MONI2 O CD1 frame synchronization signal/Monitor
pin 2
89 EFLG/MONI3 O Error correction C1,C2 correction conditions
monitor oins/Monitor pin 3
90 PP4 I/O General-purpose port 4
91 PP5 I/O General purpose port 5
92 X16MOUT O Internal 16MHz output pin
93 X16MIN I Ezternal 16MHz input pin
94 TEST2 I Teat input pin 2(L Fixed)
95 DVDCKOUT O Internal DVD clock output pin
96 DVDCKIN I External DVD clock input pin
97 TEST3 I Test input pin 3(L Fixed)
98 DVDD0 Internal logic power supply[Digital 3.3V]
99 DVSS - Digital GND
100 VPDO - SYSTEM PLL filter connection pin
101 SYSTEM PLL VCO oscillator range
VRPFR -
adjustment pin
102 VCOC - SYSTEM PLL filter connection pin
103 AVSS - Analog GND
104 AVDD3 - SYSTEM VCO power supply[Analog 3.3V]