Sharp CD-SW250DVD, Service Manual

Page: 12 / 142

CD-SW250DVD
2 – 5
1. Press the DISC2 button on the main unit from the TEST Mode
initial condition to enter DVD TEST.
(TEST MODE initial screen)
Step Execute Mode
F 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0
The screen display as shown on the left.
D Y N A M I C T E S T
1 : L A S E R T E S T
2 : S T E P T E S T
3 : P L A Y T E S T
4 : P L A Y T E S T N O T R A Y
Press the (3) key.
Open the tray manually.
Put the disc on the tray and close it.
S T E P T E S T
T R A Y O P E N
Press the (2) key.
Media judgement
"0 0 0 0": 4-digit alphanumeric
S T E P T E S T
M E D I A J U D G E
D V D
0 0 0 0 S G C 1 0 0 0 0 S G C 0
0 0 0 0 F E O F F S E T 1 0 0 0 0 F E O F F S E T 0
0 0 0 0 T E O F F S E T 1 0 0 0 0 T E O F F S E T 0
F G A I N 0
Press the "PLAY" key.
Press the "STOP" key to return to the DYNAMIC TEST screen.
Turn the power off to exit the TEST MODE. Press the "STOP" key to return to the DYNAMIC TEST screen.
Turn the power off to exit the TEST MODE.
F G A I N 1
T G A I N 0 T G A I N 1
F B A L 0 F B A L 1
T B A L 0 T B A L 1
3 T B S T 0 3 T B S T 1
Media judgement
"0 0 0 0": 4-digit alphanumeric
S T E P T E S T
M E D I A J U D G E
C D
S G C 1 0 0 0 0 S G C 0
F E O F F S E T 1 0 0 0 0 F E O F F S E T 0
T E O F F S E T 1 0 0 0 0 T E O F F S E T 0
F G A I N 0
Press the "PLAY" key.
F G A I N 1
T G A I N 0 T G A I N 1
F B A L 0 F B A L 1
T B A L 0 T B A L 1
3 T B S T 0 3 T B S T 1
Focus On
"0 0 0 0": 4-digit alphanumeric
S T E P T E S T
F O C U S O N
D V D
0 0 0 0 S G C 1 0 0 0 0 S G C 0
0 0 0 0 F E O F F S E T 1 0 0 0 0 F E O F F S E T 0
0 0 0 0 T E O F F S E T 1 0 0 0 0 T E O F F S E T 0
F G A I N 0
Press the "PLAY" key.
F G A I N 1
T G A I N 0 T G A I N 1
F B A L 0 F B A L 1
T B A L 0 T B A L 1
3 T B S T 0 3 T B S T 1
Focus On
"0 0 0 0": 4-digit alphanumeric
S T E P T E S T
F O C U S O N
C D
S G C 1 0 0 0 0 S G C 0
F E O F F S E T 1 0 0 0 0 F E O F F S E T 0
T E O F F S E T 1 0 0 0 0 T E O F F S E T 0
F G A I N 0
Press the "PLAY" key.
F G A I N 1
T G A I N 0 T G A I N 1
F B A L 0 F B A L 1
T B A L 0 T B A L 1
3 T B S T 0 3 T B S T 1
Tracking On
"0 0 0 0": 4-digit alphanumeric
S T E P T E S T
T R A C K I N G O N
D V D
0 0 0 0 S G C 1 0 0 0 0
0 0 0 0 0 0 0 0
S G C 0
0 0 0 0 F E O F F S E T 1 0 0 0 0 F E O F F S E T 0
0 0 0 0 T E O F F S E T 1 0 0 0 0 T E O F F S E T 0
F G A I N 0
Press the "PLAY" key.
F G A I N 1
T G A I N 0 T G A I N 1
F B A L 0 F B A L 1
T B A L 0 T B A L 1
3 T B S T 0 3 T B S T 1
Tracking On
"0 0 0 0": 4-digit alphanumeric
S T E P T E S T
T R A C K I N G O N
C D
S G C 1 0 0 0 0
0 0 0 0
S G C 0
F E O F F S E T 1 0 0 0 0 F E O F F S E T 0
T E O F F S E T 1 0 0 0 0 T E O F F S E T 0
F G A I N 0
Press the "PLAY" key.
F G A I N 1
T G A I N 0 T G A I N 1
F B A L 0 F B A L 1
T B A L 0 T B A L 1
3 T B S T 0 3 T B S T 1
Auto gain control adjustment
"0 0 0 0": 4-digit alphanumeric
S T E P T E S T
A G C S T U D Y
D V D
0 0 0 0 S G C 1 0 0 0 0
0 0 0 0 0 0 0 0
0 0 0 0 0 0 0 0
0 0 0 0 0 0 0 0
S G C 0
0 0 0 0 F E O F F S E T 1 0 0 0 0 F E O F F S E T 0
0 0 0 0 T E O F F S E T 1 0 0 0 0 T E O F F S E T 0
F G A I N 0
Press the "PLAY" key.
F G A I N 1
T G A I N 0 T G A I N 1
F B A L 0 F B A L 1
T B A L 0 T B A L 1
3 T B S T 0 3 T B S T 1
Auto gain control adjustment
"0 0 0 0": 4-digit alphanumeric
S T E P T E S T
A G C S T U D Y
C D
S G C 1 0 0 0 0
0 0 0 0
0 0 0 0
0 0 0 0
S G C 0
F E O F F S E T 1 0 0 0 0 F E O F F S E T 0
T E O F F S E T 1 0 0 0 0 T E O F F S E T 0
F G A I N 0
Press the "PLAY" key.
F G A I N 1
T G A I N 0 T G A I N 1
F B A L 0 F B A L 1
T B A L 0 T B A L 1
3 T B S T 0 3 T B S T 1
Focus balance adjustment
"0 0 0 0": 4-digit alphanumeric
S T E P T E S T
3 T B S T F B A L S T U D Y
D V D
0 0 0 0 S G C 1 0 0 0 0
0 0 0 0 0 0 0 0
0 0 0 0 0 0 0 0
0 0 0 0 0 0 0 0
0 0 0 0 0 0 0 0
0 0 0 0 0 0 0 0
S G C 0
0 0 0 0 F E O F F S E T 1 0 0 0 0 F E O F F S E T 0
0 0 0 0 T E O F F S E T 1 0 0 0 0 T E O F F S E T 0
F G A I N 0
Press the "PLAY" key.
F G A I N 1
T G A I N 0 T G A I N 1
F B A L 0 F B A L 1
T B A L 0 T B A L 1
3 T B S T 0 3 T B S T 1
Focus balance adjustment
"0 0 0 0": 4-digit alphanumeric
S T E P T E S T
3 T B S T F B A L S T U D Y
C D
S G C 1 0 0 0 0
0 0 0 0
0 0 0 0
0 0 0 0
0 0 0 0
0 0 0 0 S G C 0
F E O F F S E T 1 0 0 0 0 F E O F F S E T 0
T E O F F S E T 1 0 0 0 0 T E O F F S E T 0
F G A I N 0
Press the "PLAY" key.
F G A I N 1
T G A I N 0 T G A I N 1
F B A L 0 F B A L 1
T B A L 0 T B A L 1
3 T B S T 0 3 T B S T 1
Play test
8-digit numeric of DVD ID grows
"0 0 0 0": 4-digit alphanumeric
Play test
6-digit numeric of TIME grows
"0 0 0 0": 4-digit alphanumeric
P L A Y T E S T
D V D I D 8 - d i g i t n u m e r i c
0 0 0 0 S G C 1 0 0 0 0
0 0 0 0 0 0 0 0
0 0 0 0 0 0 0 0
0 0 0 0 0 0 0 0
0 0 0 0 0 0 0 0
0 0 0 0 0 0 0 0
S G C 0
0 0 0 0 F E O F F S E T 1 0 0 0 0 F E O F F S E T 0
0 0 0 0 T E O F F S E T 1 0 0 0 0 T E O F F S E T 0
F G A I N 0
Press the "PLAY" key.
F G A I N 1
T G A I N 0 T G A I N 1
F B A L 0 F B A L 1
T B A L 0 T B A L 1
3 T B S T 0 3 T B S T 1
P L A Y T E S T
C D N O 2 - d i g i t n u m e r i c
T I M E 6 - d i g i t n u m e r i c
S G C 1 0 0 0 0
0 0 0 0
0 0 0 0
0 0 0 0
0 0 0 0
0 0 0 0 S G C 0
F E O F F S E T 1 0 0 0 0 F E O F F S E T 0
T E O F F S E T 1 0 0 0 0 T E O F F S E T 0
F G A I N 0
Press the "PLAY" key.
F G A I N 1
T G A I N 0 T G A I N 1
F B A L 0 F B A L 1
T B A L 0 T B A L 1
3 T B S T 0 3 T B S T 1