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DVD-1500A
Sanyo DVD-1500A User Manual
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DVD P.W.BOARD OPERATION(SCHEMATIC DIAGRAM FOR SIGNAL CHECK)
FG
FG
FG
LOADING
LOADING
LOADING
FOCUS
SER
VO
FOCUS
SER
VO
FOCUS SERV
O
FOCUS
SER
VO
FOCUS
SER
VO
FOCUS
SER
VO
TRACKING
SER
VO
TRACKING
SER
VO
FOCUS
SER
VO
TRACKING
SER
VO
TRACKING
SER
VO
TRACKINGN SER
VO
SLED
SLED
SLED
SPINDLE
SPINDLE
FOCUS SERV
O
TRACKINGN SER
VO
SPINDLE
8
10
Table of Contents
Table of Contents
1
Specifications
2
Laser Beam Safety Precaution
2
Optical Pickup
3
Laser Beam Safety Precaution
3
Mechanism Replacement
3
Tray and Base Mechanism Part
4
Tray Part
4
Base Mechanism Part
4
Mechanism Operation
5
How to Setting the Tray
5
General Operation Diagram
6
DVD P.w.board Operation
6
Circuit Configuration Inside IC100
7
Table of Monitor Signals
8
DVD P.w.board Operation(Schematic Diagram for Signal Check)
9
DVD P.w.board Operation(Wiring Diagram for Signal Check)
12
Servo and Tray Control
14
Defection Signal
14
RF Signal During Play Mode
14
RF and Detection Signal
14
Focus in and Focus Jump
15
Tracking Servo
15
TE Signal
15
Track Jump Signal
15
Seld Servo
16
Spindle Servo
16
Tray Open and Close
16
Disturbance by Defect
17
Reset Timing for Micom Controller
17
Anti-Defect Processing
17
Decoder
17
DVD P.w.board Operation(Signal)
18
Circuit Block of Anti-Defect
18
Start-Up Program
18
Disc Type Identification
18
In the Case of CD Disc
19
Disc Diameter Identification
19
Tracking Balance Adjustment
20
Sgc(Signal Gain Control) Adjustment
20
Adjustment (Auto Adjustment)
20
Focus Gain Adjustment
21
Tracking Gain Adjustment
21
Disc Identification
22
DVD Start-Up Program Flow Chart
22
Fundamental and Additional Auto Adjustment
23
Mpeg and Front End P.w.board Operational (Block Diagram)
24
DVD,VCD,CD MAIN Signal Diagram
24
Mpeg and Front End
25
Schematic Diagram for Waveform Check
26
Schematic Diagram for Waveform Check
27
Schematic Diagram for Waveform Check
28
General Flow
38
Trouble Shooting
38
Audio Part
39
Video Part
40
When Confusion of the Picture
40
When Sound and Picture NG and Display OK
40
When Sound OK and Picture NG
40
MPEG Part , Except XE,UK Version
41
Voltage of IC & Transistor
41
DG and Socketpart , Except XE,UK Version
44
Frontpart , Except XE,UK Version
44
MPEG Part , XE,UK Version
45
Exploded View (Cabinet & Chassis)
49
Packing & Accessories
50
Product Safety Notice
50
Parts List
50
Exploded View (DVD Mechanism)
62
Parts List
62
IC Block Diagram & Description
63
IC Block Diagram & Description
66
Fl601 Vacuum Fluorescent Display
73
Wiring Connection
74
Schematic Diagram (DVD)
75
Schematic Diagram (Mpeg)
76
Wiring Diagram (DVD a Side)
77
Wiring Diagram (DVD B Side)
78
Wiring Diagram (Mpeg a Side)
79
Wiring Diagram (Mpeg B Side)
80
SCHEMATIC DIAGRAM (MAIN for 1500A/AU,1500/AR,1500A/SS)
81
Wiring Diagram (Front)
86
Wiring Diagram (Socket)
88
Wiring Diagram (Dg)
90
Wiring Diagram (Dg & Scart)
91
Wiring Diagram (Headphone,Power Sw,Led,Mecha-M & Mecha-Sw)
92
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Sanyo DVD-1500A Specifications
General
Brand
Sanyo
Model
DVD-1500A
Category
DVD Player
Language
English
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