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LG GSA-4040B Service Manual page 84

Super multi dvd drive
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Power Supply System Diagram
Line-in : 12V
TH501
*SW
Line-in : 5V
TH502
*SW
86
12P
L501
SW_reg
IC501
STANBYON
5P
IC504
3.3V Reg.
5AREG
R513
L502
0
L102
Tr_SW
L506
L104
L101
Tilt_DRIVE_VM_5V
6ch_DRIVE(Fo,Tr)_VM_5V & DVcc
P_RESET R spearation
3.3D
L103
3.3D_L
L702
3.3D
L801
3.3A_L
L701
3.3A
L802
3.3A
L601
L703
IC505
1.5V Reg.
6ch_DRIVE(SPDL,SLED,LOAD)_VM_12V
P_RESET(IC506) R separation
pick_up VSO_4.2V (PDD)
pick_up VSA_5.0V (LDO)
pick_up AVCC_5.0V(OEIC)
OP-amp_5.0V(Vref)
HD153721_VCC4_5.0V digital
HD153721_VCC_5.0V analog
OP-amp_5.0V(APC)
AUDIO_amp_5.0V
HD153721_3.3V_IO
pick_up VSL_3.3V
HD62604_3.3V_digital_IO
SD-RAM_3.3V_VDD
MPU_V850_3.3V_digital
FL-ROM_3.3V_VDD
S-RAM_3.3V_VDD
EEP-ROM_3.3V_VDD
HD62604_3.3V_analog
HD153721_3.3V_srvref
MPU_V850_3.3V_analog
6ch_SRV_DAC_3.3V_analog
HD62604_1.5V_digital(core)

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