LG GCE 8480B Service Manual page 35

Cd-rw drive
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Check point of Writing
Check the compatibility between
Drive and Tool.
Check whether or not Disc is
writeable (CD-R/CD-RW).
Check Laser 1
(Check EEPROM)
Activate 'Addition Func.' window in
Test Tool(GGOOM5).
Execute 'S/N' (Identify Serial
Number).
Execute 'ALPC Parameters'
(Identify ALPC Parameters).
Check whether or not 'ALPC
Parameters is initial value.
CS
IC 203
SLK
AT93C86
2KB
DI
EEPROM
DO
60
Check Disc state (Fingerprint,
Check the communication line
Execute 'C. Laser Power
setting' in Test Tool(GGOOM5).
1
110 EEP-CS
108 EEP-CL K
2
3
107 EEP-SDATA
4
Scratch, Dust...).
of EEPROM.
IC 401
MT1516
ALPC
EEPROM access
Check whether or not additional
writing is allowed.
(Given in the Disc Info of writing tool)
(ALPC initial value before 'Laser Power Setting')
SCLK
122
65
SDATA
63
123
XLA T
62
124
IC 101
MT1518
MT1508
Decoder
Encoder
Micro
Processor

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