Read Sony SCD-555ES Service Manual online
67
(2) CD (Use the test disc PATD-012 or YEDS-18)
Note:
Measured values in check items are typical ones.
Check items
Specified value
LOAD IN TIME (msec)
: 2141
3000 msec or less
SPIN UP TIME (msec)
: 1372
1700 msec or less
RF/VC/FE/TE AVRG (ORG)
: 98, C, 1D6, 4
RF: 80-9B, VC: 1F1-10, FE: 1d8-42, TE: 1BB-5C
RF/VC/FE/TE AVRG (ADJ)
: 9F, A, 1FF, 4
RF: 98-A5, VC: 1F1-10, FE: 1F1-10, TE: 1F1-10
PI/TRVS PP(ORG/ADJ)
: 81, 131, 95, 92
PI ORG: 70-8A, PI ADJ: 122-135
PIOR/CCR/TRCR
: 1A, 11, 1F
No specified value given
FOCUS/TRK GAIN
: 2E, 2D
FOCUS: 1C-45, TRK: 1C-45
FBIAS/TRVSC/TRCR2/CFR
: 0, 10, 5, A0
F.BIAS: 1E0-30, TRVSC: 1F0-10 TRCR2, CFR: no specified value given
MIN JITTER AT F.BIAS
: 94
180 or less
READ TOC TIME (msec)
: 1410
2500 msec or less
1/3 SEEK TIME
F) AVE/MIN/MAX (msec)
F) AVE/MIN/MAX (msec)
: 824, 804, 850
AVE: 1100 msec or less, MAX: 1400 msec or less
R) AVE/MIN/MAX (msec)
: 850, 833, 860
AVE: 1100 msec or less, MAX: 1400 msec or less
1/MAX SEEK TIME
F) AVE/MIN/MAX (msec)
F) AVE/MIN/MAX (msec)
: 2086, 1999, 2151
AVE: 2400 msec or less, MAX: 2800 msec or less
R) AVE/MIN/MAX (msec)
: 1805, 1793, 1835
AVE: 2400 msec or less, MAX: 2800 msec or less
ERROR RATE
C1 MAX/AVE
C1 MAX/AVE
: 3, 0
C1 MAX: 30 or less
C2 MAX/AVE
: 0, 0
C2 MAX: 0
HENSHIN RYOU (1/10um)
: 89
1000 or less (100 um or less)
SPIN DOWN TIME (msec)
: 1272
1700 msec or less
LOAD OUT TIME (msec)
: 2013
3000 msec or less
Note:
RF, VC, FE, TE, FBIAS and TRVSC measured values are hexadecimal data with positive and negative signs. When comparing the measured
value with the specified value, refer to the following.
value with the specified value, refer to the following.
Hexadecimal (hex) display 9 bit data
FF
011111111 (+255)
FE
011111110 (+254)
(+) Side
(-) Side
MAX
01
000000001 (+1)
00
000000000 (0)
1FF
111111111 (-1)
101
100000001 (-255)
100
100000000 (-256)
Hexadecimal (hex) display 8 bit data
7F
01111111 (+127)
7E
01111110 (+126)
01
00000001 (+1)
00
00000000 (0)
02
00000010 (+2)
FF
11111111 (-1)
FE
11111110 (-2)
81
10000001 (-127)
80
10000000 (-128)
MIN
0
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