LG GWA-4161B Service Manual page 74

Power Supply System Diagram
12V_source
5V_source
2.7V-Reg
AT25320AN_10SJ_2.7
Pick-up
HOP7531TS
76
IC402
5.3V-Reg
BA00BCOWFP
Drive IC (spindle, sled, load) power
BD7954
Drive IC (Actuator)
BD7954
Reset IC (IC271)
BD5233
Audio op-Amp (IC305)
NJM3404
RF IC (IC121)
AN22112A
DSP IC (IC201)
MN103S86G
Pick-up
HOP7531TS
IC401
3.3/1.5V-Reg
BA3258
IC101
Pick-up LDD power
HOP7531TS
3.3V
1.5V
EEPROM (IC201)
MN103S86G
RF IC (IC121)
AN22112A
DSP IC (IC201)
MN103S86G
SDRAM (IC261)
M12L16164A
Flash Memory (IC262)
EEPROM (IC263)
AT25320