Sanyo DVD-SL330 Service Manual page 15

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IC BLOCK DIAGRAM & DESCRIPTION
U0804 LC78663NRW(DVD FRONT END)
Block
NO.
Pin Name
I/O
A/D
1
AD1
I
Servo A/D AD1
2
AD0
I
Servo A/D AD0
3
JV
I
Servo A/D JV
4
RREC
I
Servo A/D RREC
5
RF-PH
I
Servo A/D RF-PH
6
RF-RH
I
Servo A/D RF-BH
7
TE
I
Servo A/D TE
8
FE
I
Servo A/D FE
TEST pin
9
TEST0
I
Test input 0
(Input "L" level)
SLC
10
EFMINP
I
EFM/EFM+ Input
TEST pin
11
TEST1
I
Test input 1
(Input "L" Input)
12
EFMINN
I
EFM- Input
13
SLCLPF0
-
SLC
14
SLCLPF1
-
SLC
15
SLCO1
-
SLC
16
SLCO2
-
SLC
Power
17
AVDDI
-
A/D D/A SLC Power source
supply
[Analogue 3.3V]
18
AVSS
-
Analogue GND
CMP
19
BHC
I
Comparator input
(RE-BH)
20
WO
I
Comparator input
21
TEC
I
Comparator input
(TE)
D/A
22
VREF
O
Sarvo D/A Voltage reference
23
TSTD1
O
Sarvo D/A
24
TSTD0
O
Sarvo D/A TSTD0
25
FO
O
Sarvo D/A FO
26
BST
O
Sarvo D/A BST
27
TBAL
O
Sarvo D/A TBAL
28
FBAL
O
Sarvo D/A FBAL
29
SGC
O
Sarvo D/A SGC
30
SLDO
O
Sarvo D/A SLDO
31
SPDO
O
Sarvo D/A SPDO
32
TDO
O
Sarvo D/A TDO
33
FDO
O
Sarvo D/A FDO
Power
34
DVDDO
-
Internal logic power source
supply
[Digital 2.5V]
35
DVSS
-
Digital GND
RF I/F
36
FG
I/O
FG Counter input
Microcom-
37
HIRQB
O
Interrupt signal output
puter I/F
38
HWAITB
I
Wait signal output
39
HRESB
I
Servo reset input
40
HRDB
I
Reag reset input
41
HWRB
I
Write signsl input
42
HCSB
I
Chip select signal input
Power
43
HDATO
I/O
DTA BUS 0
supply
44
DVDD1
-
I/O Power source [Digital 3.3V]
Supplementation
Block
Microcom-
puter I/F
DRAM I/F
NC
DRAM I/F
Microcom-
puter I/F
General-purpose port in/output
CD data
CD data
- 14 -
NO.
Pin Name
I/O
45
DVSS
Digital GND
46
HDAT1
I/O
Data bus 1
47
HDAT2
I/O
Data bus 2
48
HADT3
I/O
Data bus 3
49
HADT4
I/O
Data bus 4
50
HDAT5
I/O
Data bus 5
51
HDAT6
I/O
Data bus 6
52
HADT7
I/O
Data bus 7
53
HADR0
I
Address bus 0
54
HADR1
I
Address bus 1
55
HADR2
I
Address bus 2
56
HADR3
I
Address bus 3
57
HADR4
I
Address bus 4
58
HADR5
I
Address bus 5
59
HADR6
I
Address bus 6
60
MWEB
O
WE Output
61
MRASIB
O
RAS Output I
62
MA0
O
DRAM Address bus 0
63
MA1
O
DRAM Address bus 1
64
MA2
O
DRAM Address bus 2
65
MA3
O
DRAM Address bus 3
66
NC
NC pin which set,"H" or "L"
(662; DRAM Power ssupply [Digital 3.3V])
67
NC
-
NC pin which set,"H" or "L"
(662;Digital GND)
68
MA4
O
DRAM Address bus 4
69
MA5
O
DRAM Address bus 5
70
MA6
O
DRAM Address bus 6
71
MA7
O
DRAM Address bus 7
72
MA8
O
DRAM Address bus 8
73
MA9
O
DRAM Address bus 9
74
MA10
O
DRAM Address bus 10
75
MOEB
O
OE Output
76
MCASUB
O
CAS Output (Upper Byte)
77
MCASLB
O
CAS Output (Lower Byte)
78
HADR7
I
Address bus 7
79
HADR8
I
Address bus 8
80
HADR9
I
Address bus 9
81
HADR10
I
Address bus 10
82
HADR11
I
Address bus 11
83
HADR12
I
Address bus 12
Buffer memory access selector
84
C2F
O
C2 flag output
85
ROMXA
O
CD data output
86
ROMCK
O
CD dast output
shift clock output
87
LRSY
O
CD data output L/R clock output
88
DVDD1
-
I/O power source
89
DVSS
Digital GND
90
EMPH
O
Deemphasis monitor pin
Supplementation
Monitor pin 4
Monitor pin 3
Monitor pin 2
Monitor pin 1
Monitor pin 0

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