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XV-N5SL
JVC XV-N5SL Service Manual
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XV-N5
SL
27
SECTION 5
Description of major ICs
5.1
74LCX373MTC-X(IC512,IC513)
5.1.1
Pin layout
5.1.2
Pin function
5.1.3
Truth table
H = HIGH Voltage level
L = LOW Voltage level
Z = High impedance
X = Immaterial
Q0 = Previous Q0 before HIGH
to
LOW transition of l
atch enable
Symbol
Description
D0~D7
Data inputs
LE
Latch enable input
OE
Output enabl
e
input
Q0~Q7
3-State latch outputs
INPUTS
OUTPUTS
LE
OE
Dn
Qn
X
H
H
L
H
L
L
L
X
L
H
X
Z
L
H
Q0
26
28
Table of Contents
Table of Contents
2
Important Safety Precautions
3
Safety Precautions
3
Warning
3
Caution
3
Critical Parts for Safety
3
Preventing Static Electricity
4
Handling the Traverse Unit (Optical Pickup)
4
Important for Laser Products
5
Precautions for Service
6
Disassembly Method
7
Main Body Section
7
Mechanism
10
Loading Assembly Section
10
Traverse Mechanism Assembly Section
14
Adjustment Method
17
Test Mode Setting Method
17
Initialization Method
17
Method of Displaying Version of Microcomputer
17
Display of Current Value of Laser
18
Display of Jitter Value
18
Upgrading of Firmware
19
Display of Region Code
19
Flap Adjustment of the Pick-Up Guide Shaft
20
Attention When Pick-Up Is Exchanged
21
Confirm Method of Operation
22
Troubleshooting
23
Check Points for each Error
24
Description of Major Ics
27
74Lcx373Mtc-X(Ic512,Ic513)
27
BA5983FM-X (IC201) : 4CH Driver
28
AN8703FH-V (IC101) : Frontend Processor
29
BA6664FM-X (IC251) : 3Phase Motor Driver
30
K4S641632F-Tc75 (Ic506) :Cmos Sdram
32
Mn101C57Dlr(Ic1):System Controller
33
MM1565AF-X (IC951) : 500Ma Regulator
34
MN102L62GLF3 (IC401) : Unit CPU
35
MN103S26EGA (IC301) : Super Optical Disc Controller
36
Mn35505-X (Ic703) : Dac
40
NDV8601VWA-BE(IC501):AV Decoder
41
S-93C66Afj-X (Ic451,Ic510) : Eeprom
45
Sst39Vf160-7Cek (Ic509) : 16M Eeprom
46
STR-G6551-F8 (IC901) : Switch Regulator
47
TC74HC08AF-X(IC704) : 2-Input and Gate
47
Glossary of Term and Abbreviations(for AV Decoder Section)
48
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JVC XV-N5SL Specifications
General
Brand
JVC
Model
XV-N5SL
Category
DVD Player
Language
English
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