ABEX TEST CD/TCD-783;SERIES/FOR ADJUSTING & CHECKING THE PLAYER (Diameter:80mm)

Description

TEST CD/ TCD-783
TCD-780 SERIES/FOR ADJUSTING & CHECKING THE PLAYER
１．
Test disc specification
(1)
Scope
This disc is manufactured for measurement and adjustment of various kind of characteristic of a CD Player.
(2) Model
name
Category
：
Test disc for inspection
Model name
：
TCD-783
1
．
Disc parameter
(1) Mechanical parameters
Outer diameter
：
80±0.20 mm
Center hole diameter
：
15.0 +0.1/ -0 mm
Disc thickness
：
1.2  +0.3/ -0.1 mm
Substrate thickness
：
1.2 ±0.1
㎜
Eccentricity
：
≦
45μ
ｍ
Birefringence
：
≦
80nm
Reflectivity
：
≧
72%
Radial Tilt
：
≦
0.2°(R33mm)
(2) Electric parameter
Measurement point
：
The most inner side
Asymmetry
：－
5±7%
I11/I TOP
：
±7%(Compared to the Reference Level)
I3/ I TOP
：
±7%(Compared to the Reference Level)
Tracking servo gain
：
±0.7dB (Compared to the Reference Level)
Focus servo gain             1±0.7dB(Compared to the Reference Level)
Jitter
:
≦
20ns
Block error rate
：
≦Max.imum: less than 70, Average: less than 20
Scanning velocity
：
1.25m/sec
(3) Measuring condition
Temperature
：
23 ±2
℃
Relative humidity
：
50 ±5
％
(4) Others
The characteristics those are not described on this specification comply with IEC908.
3
．
Recorded contents
TNO
Index
Contents
Emphasis
Time
Purpose
E..Time
A.Time
P.Time
1
1
"Menuetto"
ON
5″
0′02″
0′07″
2”
Access
2
1
1KHz  Sine wave  0dB  L&R
OFF
56″
0′11″
1′07″
4”
Reference
3
1
17Hz  Sine wave  0dB  L&R
OFF
56″
1′11″
2′07″
4”
Frequency
Response
4
1
127Hz  Sine wave  0dB  L&R
OFF
56″
2′11″
3′07″
4”
5
1
997Hz  Sine wave  0dB  L&R
OFF
56″
3′11″
4′07″
4”
THD vs.
Frequency
6
1
10,007Hz  Sine wave  0dB  L&R
OFF
56″
4′11″
5′07″
4”
7
1
17,989Hz  Sine wave  0dB  L&R
OFF
56″
5′11″
6′07″
4”
8
1
19,997Hz  Sine wave  0dB  L&R
OFF
56″
6′11″
7′07″
4”
9
1
Infinity zero  -∞
L&R
OFF
56″
7′11″
8′07″
4”
S/N
10
1
1KHz  Sine wave  0dB   L
OFF
56″
8′11″
9′07″
4”
Channel
separation
11
1
10KHz  Sine wave  0dB   L
OFF
56″
9′11″
10′07″
4”
12
1
1KHz  Sine wave  0dB   R
OFF
56″
10′11″
11′07″
4”
13
1
10KHz  Sine wave  0dB   R
OFF
56″
11′11″
12′07″
4”
14
1
1KHz  Sine wave -20dB L&R
ON
26″
12′11″
12′37″
4”
De-emphasis
error
15
1
4KHz  Sine wave -20dB L&R
ON
56″
12′41″
13′37″
4”
16
1
16KHz  Sine wave -20dB L&R
ON
56″
13′41″
14′37″
4”
17
1
100Hz  Sine wave -20dB L&R
OFF
56″
14′41″
15′37″
4”
Tone
Control
18
1
1KHz  Sine wave -20dB L&R
OFF
56″
15′41″
16′37″
4”
Frequency
response
19
1
10KHz  Sine wave -20dB L&R
OFF
56″
16′41″
17′37″
4”
20
1
997Hz  Sine wave -59.94dB L&R
OFF
56″
17′41″
18′37″
4”
Dynamic
Range
21
1
997Hz  Sine wave -80.77dB L&R
OFF
56″
18′41″
19′37″
4”
22
1
"Ouverture Miniature"
OFF
5″
19′37″
19′42″
0”
Access
23
1
"Marche"
OFF
20″
19′42″
20′02″
0”
General
Total time(Including pause time)
20′02″