LG GWA-4164B Service Manual page 13

3.7 LightScribe Label Printing
* Note (1) DRF Parameters for this spec : LV=250mm/sec, TrackShift=85, Laser Power=34mW
3.7.1 Printing Time
1070TPI * 12cm Entire Disc.......................................less than 36 minutes
800TPI * 12cm Entire Disc.........................................less than 28 minutes
530TPI * 12cm Entire DIsc ........................................less than 20 minutes
3.7.2 Image Contrast complying to the colorimetry standard CIE L*a*b, defined as Delta L( ∆L)
1070TPI * LS CD-R Media (973423 : 795973)...........higher than 28
800TPI * LS CD-R Media (973423 : 795973).............higher than 20
530TPI * LS CD-R Media (973423:795973)...............higher than 12
4. Quality and Reliability
4.1 MTBF..................................................125,000 Power On Hours(Consecutive/Cumulative POH)
Assumption : ..........................Used in a normall office environment at room temperature.
-POH per year.........................3,000
-ON/OFF cycles per year........600
-Operating duty cycle..............20% of power on time (Seek: 5% of operating time)
4.2 Tray cycle test...................................30,000 times
4.3 Actuator mechanism ........................1,000,000 full stroke seek
4.4 MTTR (Mean Time To Repair) ...........0.5 h
4.5 Component life .................................5 years or 2,000 h of Laser radiating time
Assumption : ..........................Used in a normall office environment.
5. POWER REQUIREMENTS
5.1 Source voltage
+5V + 5% tolerance, less than 100 mVp-p Ripple voltage
+12V + 10% tolerance, less than 100 mVp-p Ripple voltage
5.2 Current
Idle (Hold track state)..............+5V DC
Write (Active) ..........................+5V DC
Read (Active) ..........................+5V DC
Seek (Acess) ..........................+5V DC
Label Printing..........................+5V DC
5.3 Standby
Sleep mode (No disc) .............2.5 W Typ.
6. AUDIO PERFORMANCE
Item
Output Level
Frequency response
THD
Headphone output level(Optional)
No degeneration in the mechanical part after test
+12V DC
+12V DC
+12V DC
+12V DC
+12V DC
Typical Test Signal
0.7 Vrms 1KHz 0 dB
+/-3dB 20-20kHz 0dB
0.1% 1KHz 0 dB
- -
0.6A Typ. < 1.0 A Max.
0.5A Typ. < 1.0 A Max.
0.9A Typ. < 1.3 A Max.
0.5A Typ. < 1.2 A Max.
0.6A Typ. < 1.2 A Max.
0.6A Typ. < 1.2 A Max.
0.7A Typ. < 1.2 A Max.
1.0A Typ. < 1.8 A Max.
0.7A typ. < 1.0 A max.
0.3 A typ. < 0.5 A max.
3.0 W Max.
Test Condition
No Filter
with IHF-A + 20KHz LPF
-
Note
at 47k
None
13