Table of Contents
Advertisement
Inspection of CD-R Recording Laser
F
Execute 'E.ALPC Test for AS' in
Test Tool(GGOOM5) (Select
'CD-R Rec Mode', and 'Trigger')
CD-R Recording Pulse
WXR
ODON
FPDO
CN 201
Optical
ENBL
Pick-up
KRS-340B
VWDC1
VWDC2
FPDO
LD
Drive
WXR
ODON
62
Check input of VWDC1
•
(pin 26 of CN201 : 0.4~1.0V).
• Check input of
(pin 27 of CN201 : 0.1~0.5V).
Check input of WXR
•
(pin 30 of CN201 : Pulse)
Check input of ODON
•
(pin 31 of CN201 : Pulse)
(pin 54, 65 of IC401 : Pulse).
H
5
33
ENBL
0.4~1.0V
26
62
VWDC1O
0.1~0.5V
27
61
VWDC2O
19
54
FPDO
65
FPDOLP
30
31
Chect input of ENBL
(pin 33 of CN201 : 'H').
VWDC2
Check input of FPDO
Initial value of FPDO :
2.8V/-10%)
IC 401
122
123
MT1516
124
ALPC
127
WLDON
Inspection of CD-RW writing Laser
G
Execute 'E. ALPC Test for AS' in
Test Tool (GGOOM5) (Select
'CD-RW Rec Mode', and
'Trigger')
Check input of WLDON
•
(pin 27 of IC401 : 'H')
Check SCLK, SDATA, XLAT
•
(pin 122, 123, 124 of IC401)
CD-RW Recording Pulse
WXR
ODON
FPDO
IC 101
SCLK
65
SDATA
63
MT1518
XLAT
62
Decoder
Encoder
Write Strategy
Write S/H Signal
H
58
Micro
Processor
13
WXR
15
ODON
Advertisement
Table of Contents
