LG GSA-4163B Service Manual page 8

4. Quality and Reliability
4.1 MTBF..................................................100,000 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 .................0.5A typ. .........< 1.1 A max.
Write (Active) ..........................+5V DC .................0.8A typ. .........< 1.5 A max.
Read (Active) ..........................+5V DC .................0.7A typ. .........< 1.4 A max.
Seek (Acess) ..........................+5V DC .................0.8A typ. .........< 1.5 A max.
5.3 Standby
Sleep mode (No disc) .............1.0 W typ.
6. AUDIO PERFORMANCE
Output Level (1kHz, 0dB) ........................................................0.7 Vrms typical
Frequency Response ..............................................................+/-3dB (20 to 20,000Hz)
Signal to Noise Ratio...............................................................80 dB min. with IHF A and LPF 20 kHz
THD (1kHz, 0dB) .....................................................................0.10% max. with LPF 20 kHz
Channel separation(10kHz).....................................................65 dB min.
Condition: ................................................................................Load inpedance : 10 kohms
7. Acoustic noise
Less than 50dB, A scale, at 0.5 m away from the drive
Note : 1. Disc : Less than imbalance 0.3 x 10
2. Installation : Horizontal
3. Ambient temperature : Normal temperature
4. Except loading, unloading and seek
8. Dimensions
External dimensions (W x H xD)
Front bezel (WxHxD)
9. Mass
.................................................Approx. 0.87+/-0.03 kg
* Which is not provided with Circuit Diagram of this model. Please Contact the friendly staff of LG
Service Care at: Website http: //www.LGEservice.com
8
No degeneration in the mechanical part after test
+12V DC ...............0.5A typ...........< 1.0 A max.
+12V DC................1.0A typ. .........< 2.0 A max.
+12V DC................0.9A typ. .........< 1.8 A max.
+12V DC ...............1.2A typ. .........< 2.1 A max.
-4 Nm
146 x 41.3 x 184.6mm
149 x 42 x 6 mm
1.3 W max.