Circuit Voltage Chart - LG UBK80 Service Manual

Ultra hd blu-ray disc player
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CIRCUIT VOLTAGE CHART

 IC VOLTAGE
Location No.
• Spec:
VIN : 4.2 ~ 17 V
IC201
Vout : 0.8 ~ VIN*DV
DC-DC Stepdown Converter
• Measured Voltage:
VIN : 12.05 V
Vout : 5.14 V
• Spec:
VIN : 4.2 ~ 17 V
IC202
Vout : 0.8 ~ VIN*DV
DC-DC Stepdown Converter
• Measured Voltage:
VIN : 12.05 V
Vout : 3.42 V
• Spec:
VIN : 4.2 ~ 17 V
IC203
Vout : 0.8 ~ VIN*DV
DC-DC Stepdown Converter
• Measured Voltage:
VIN : 5.16 V
Vout : 1.829 V
• Spec:
VIN : 4.2 ~ 17 V
IC204
Vout : 0.8 ~ VIN*DV
DC-DC Stepdown Converter
• Measured Voltage:
VIN : 5.17 V
Vout : 1.834 V
• Spec:
VIN : 4.5 ~ 17 V
IC205
Vout : 0.6 ~ VIN*DV
DC-DC Stepdown Converter
• Measured Voltage:
VIN : 12.07 V
Vout : 1.035 V
• Spec:
VIN : 4.2 ~ 17 V
IC206
Vout : 0.8 ~ VIN*DV
DC-DC Stepdown Converter
• Measured Voltage:
VIN : 12.05 V
Vout : 1.52 V
• Spec:
VIN : 4.5 ~ 17 V
IC207
Vout : 0.6 ~ VIN*DV
DC-DC Stepdown Converter
• Measured Voltage:
VIN : 5.17 V
Vout : 1.067 V
Vcc/Vdd
Location No.
IC208
Low Voltage Low Dropout Regulator
IC209
Swich IC
IC210
Swich IC
IC211
Swich IC
IC212
Swich IC
IC213
Swich IC
IC302
MICOM
IC402
Nand Flash
3-57
Vcc/Vdd
• Spec:
VIN : 2.5 ~ 16 V
Vout : Vout+1 ≤ Vin ≤ 16 V
• Measured Voltage:
VIN : 12.05 V
Vout : 8.12 V
• Spec:
VIN : 2.5 ~ 5.5 V
Vout : VIN
• Measured Voltage:
VIN : 3.435 V
Vout : 3.424 V
• Spec:
VIN : 2.5 ~ 5.5 V
Vout : VIN
• Measured Voltage:
VIN : 3.437 V
Vout : 3.436 V
• Spec:
VIN : 2.5 ~ 5.5 V
Vout : VIN
• Measured Voltage:
VIN : 3.435 V
Vout : 3.43 V
• Spec:
VIN : 4.5 ~ 5.5 V
Vout : VIN
• Measured Voltage:
VIN : 5.16 V
Vout : 5.15 V
• Spec:
VIN : 4.5 ~ 5.5 V
Vout : VIN
• Measured Voltage:
VIN : 5.16 V
Vout : 5.15 V
• Spec:
VDD : 1.6 ~ 5.5 V
• Measured Voltage:
VDD : 3.435 V
• Spec:
3.3 V : 2.7 ~ 3.6 V
• Measured Voltage:
3.3 V : 3.38 V
3-58
Location No.
Vcc/Vdd
• Spec:
VCC33IO : 3.15 ~ 3.46 V
VCC18IO : 1.71 ~ 1.89 V
DVDD_CORE : 0.95 ~ 1.05 V
DDRV : 1.425 ~ 1.575 V
IC501
AVDD105 : 0.99 ~ 1.1 V
MPEG
• Measured Voltage:
VCC33IO : 3.392 V
VCC18IO : 1.839 V
DVDD_CORE : 1.02 V
DDRV : 1.52 V
AVDD105 : 1.065 V
• Spec:
IC601 ~ IC605
VDD : 1.425 ~ 1.575 V
DDR3 SDRAM
• Measured Voltage:
VDD : 1.527 V
• Spec:
VDD12 : 1.14 ~ 1.26 V
VDD33 : 3.13 ~ 3.47 V
IC801
VIN33 : 0 ~ 5.25 V
• Measured Voltage:
RF IC
VDD12 : 1.208 V
VDD33 : 3.4 V
VIN33 : 3.41 V
• Spec:
P5V : 4.5 ~ 5.5 V
IC860
P12V: 10.8 ~ 13.2 V
• Measured Voltage:
Motor Drive
P5V : 5.13 V
P12V : 12.1 V
Copyright © 2020 LG Electronics Inc. All rights reserved.
Only for training and service purposes.

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