Sony HCD-EA20 Service Manual page 24

HCD-EA20
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2-5. EEPROM Write Adjust
EEPROM Write Adjust
1. Focus Offset
2. Focus Gain
3. Trk. Offset Coarse
4. ——————
5. Trk. Gain
6. EQ Boost
0.All Servo Off
On this screen, each item can be adjusted automatically. Select the
[1] [10/0]
desired number to
selected item is adjusted automatically.
[1]
Focus Offset : Adjusts focus offset.
[2]
Focus Gain : Adjusts focus gain.
[3]
TRK. Offset : Adjusts tracking offset of the RF amp
(IC001) side.
[5]
TRK. Gain : Adjusts track gain.
[6]
EQ Boost : Adjusts amount of boost of equalizer.
[10/0]
: All servo off.
2-6. Memory Check
Display images are shown as follows, and all two screens are able
to switch by the O key (UP) or o key (DW).
TE
L 13942296513
EEPROM Data 1/2
Focus Gain
Trk. Gain
Focus Offset
Trk. Offset
EQ. Boost
PI Level
Fcs. Balance
Jitter
Mirror Time
FE Level
Traverse Lv1.
Next:DW Default:CLR
EEPROM Data 2/2
Focus Gain
Trk. Gain
Focus Offset
Trk. Offset
EQ. Boost
Prev:UP Default:CLR
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On this screen, current servo adjusted data stored in the EEPROM
are displayed. The adjusted data are initialized by pressing the
[CLEAR]
key, but be careful that they are not recoverable after
.
initialization.
Before clearing the adjusted data, make a note of the set data. This
[0]
screen will also appear if -All is selected in the Drive Auto
Adjustment. In this case, default setting cannot be made.
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Exit: RETURN
from the remote commander, and
CD SL L0 L1
xx xx xx xx
xx xx xx xx
xx xx xx xx
xx xx xx xx
xx xx xx xx
xx xx -- --
-- xx -- --
xx xx xx xx
xx xx xx --
-- xx -- --
-- xx -- --
Exit:RET
CDRW DVDRW
xx xx
xx xx
xx xx
xx xx
xx xx
Exit:RET
x ao
y
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2-7. Disc Check Memory
Disc Check Memory
1. SL Disc check
2. CD Disc check
3. DL Disc check
On this screen, measure the mirror time of chucked disc, and write
to the EEPROM.
2-8. Error Rate Display
Error Rate Display
PI1 Err Now xx xxxx xxxxxxxx
Max xx xxxx xxxxxxxx
Avg xx xxxx
PI2 Err Now xx xxxx xxxxxxxx
Max xx xxxx xxxxxxxx
Avg xx xxxx
PO Err Now xx xxxx xxxxxxxx
Q Q
3 6 7 1 3
Max xx xxxx xxxxxxxx
Avg xx xxxx
Start:ENTER
On this screen, measure and display the error rate.
UC : Incorrect value
CR : Correct value
2-9. SACD Water Mark Check (Not used)
SACD Water Mark Check
PSP AMP
PSN
Start: ENTER
On this screen, measure the PSP AMP value and PSN value of SACD
water mark.
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.
2 9 9 4 2 8
Exit: RETURN
UC CR Address
1 5 0 5 8 2 9 9 4
Exit: RETURN
Exit: RETURN
m
co
9 9
2 8 9 9