LG SN4A - CIRCUIT VOLTAGE CHART

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Only for training and service purposes.
3-343-33
CIRCUIT VOLTAGE CHART
IC Sym Pin Specifi cation Measured Voltage
IC101
MICOM
AVCC AVCC: 1.8 V ~ 3.6 V AVCC: 3.33 V
DVCC DVCC: 1.8 V ~ 3.6 V DVCC: 3.32 V
IC102
SERIAL FLASH
MEMORY
VCC:8 VCC: 2.7 V ~ 3.6 V VCC: 3.33 V
IC103
SERIAL FLASH
MEMORY
VCC:8 VCC: 2.7 V ~ 3.6 V VCC: 3.33 V
IC201
A/D
CONVERTER
VCC : 3 VCC: 4.5 V ~ 5.5 V VCC: 5.14 V
VDD: 4 VDD: 2.7 V ~ 3.6 V D_3.3V : 3.31 V
IC301
DC,DC
Vin: 4 Vin: 2.7 V ~ 5.5 V Vin: 5.14 V
LX: 3 Vout: 0.6 V ~ 5.225 V Vout: 3.32 V
IC302
DC,DC
Vin: 2 Vin: +4.0 V ~ +36 V Vcc: 25.56 V
Vout: 3 Vout: 0.8 V ~ 33 V Vout: 12.09 V
IC303
DC,DC
Vin: 4 Vin: 2.7 V ~ 5.5 V Vin: 5.13 V
LX: 3 Vout: 0.6 V ~ 5.225 V Vout:1.51 V
IC304
Switch IC
Vin: 5
Vout: 1
Vin: 2.5 V ~ 5.5 V
Vout: 0 V ~ 5.5 V
Vin: 5.15 V
Vout(D_3.3V) : 3.32 V
(PWM_3.3V)3.33 V
IC305
DC,DC
Vin: 1 Vin: 4.2 V ~ 17 V Vin: 12.09 V
SW: 2 Vout: 0.8 V ~ 10 V Vout: 5.14 V
IC306
Switch IC
Vin: 5
Vout: 1
Vin: 4.5 V ~ 5.5 V
Vin: 5.17 V
Vout(VCC_5V) : 5.12 V
(USB_5V) : 5.15 V
IC308
Switch IC
Vin: 5
Vin: 4.5 V ~ 5.5 V
Vin : 5.12 V
Vout: 1 Vout : HDMI_5.1VA : 5.15 V
IC309
Switch IC
Vin: 5 Vin: 2.5 V ~ 5.5 V Vin: 5.16 V
Vout: 1 out: 0 V ~ 5.5 V Vout(WLS_3V3) : 3.32 V
IC311
DC,DC
Vin: 4 Vin: 2.7 V ~ 5.5 V Vin: 5.14 V
LX: 3 VOUT: 0.6 V ~ 5.225 V VOUT: 1.218 V
IC312
Vin: 1 Vin: 2.3 V ~ 6.0 V Vin: 5.18 V
Vout: 5 out: 0.8 V ~ 5.0 V out: 3.31 V
IC402
TUNER IC
VA : 11 VCC: 2.7V~5.5V VCC: 3.31 V
IC501
IC, Video Processors
DVCC12_K DVCC12_K : 1.14 V ~ 1.26 V DVCC12_K : 1.21 V
DVCC33_IO DVCC33_IO : 3.15 V ~ 3.45 V DVCC33_IO: 3.32 V
DDRVCCIO1 DDRVCCIO1: 1.425 V ~ 1.575 V DDRVCCIO1: 1.51 V
AVDD33 AVDD33 : 3.15 V ~ 3.45 V AVDD33: 3.32 V
AVDD12 AVDD12 : 1.14 V ~ 1.26 V AVDD12: 1.21 V
AVDD12_LDO: 1.14 V ~ 1.26 V
IC502
DDR3 SDRAM
MEMORY
VDD: B2, D9, G7, K2, K8,
VDD/VDDQ = 1.5 V(±0.075 V)
VDD: 1.51 V
VDDQ: 1.51 V
N1, N9, R1, R9
VDDQ: A1, A8, C1, C9, D2
E9, F1, H2, H9
IC503
SERIAL FLASH
MEMORY
VCC:8 VCC: 2.7 V ~ 3.6 V D_3.3V : 3.34 V
IC Sym Pin Specifi cation Measured Voltage
IC600
IC, Sound/Audio Processor
VDD_IO: 17, 52 VDD_IO: 2.97 V ~ 3.63 V VDD_IO: 3.33 V
VDD_CORE: 6, 25 VDD_CORE: 1.08 V ~ 1.32 V VDD_CORE: 1.24 V
VIN33_REG1: 34 VIN33_REG1: 2.97 V ~ 3.63 V VIN33_REG1: 3.33 V
VIN33_REG2: 66 VIN33_REG2: 2.97 V ~ 3.63 V VIN33_REG2: 3.3 V
VDD_PLL: 68 VDD_PLL: 1.08 V ~ 1.32 V VDD_PLL: 1.24 V
IC700
AMP
GVDD_AB: 1 GVDD_AB: -0.3 V ~ 13.2 V GVDD_AB: 11.7 V
GVDD_CD: 22 GVDD_CD: -0.3 V ~ 13.2 V GVDD_CD: 11.7 V
PVDD_AB: 36, 37, 38 PVDD_AB: -0.3 V ~ 50 V PVDD_AB: 25.5 V
PVDD_CD: 29, 30, 31 PVDD_CD: -0.3 V ~ 50 V PVDD_CD: 25.5 V
VDD: 2 VDD: -0.3 V ~ 13.2 V VDD: 11.9 V
DVDD: 8 DVDD: -0.3 V ~ 4.2 V DVDD: 3.306 V
AVDD: 13 AVDD: -0.3 V ~ 8.5 V AVDD: 7.8 V
IC701
AMP
GVDD_AB: 1 GVDD_AB: -0,3 V ~ 13.2 V GVDD_AB: 11.7V
GVDD_CD: 22 GVDD_CD: -0.3 V ~ 13.2 V GVDD_CD: 11.7 V
PVDD_AB: 36, 37, 38 PVDD_AB: -0.3 V ~ 50 V PVDD_AB: 25.5 V
PVDD_CD: 29, 30, 31 PVDD_CD: -0.3 V ~ 50 V PVDD_CD: 25.5 V
VDD: 2 VDD: -0.3 V ~ 13.2 V VDD: 11.9 V
DVDD: 8 DVDD: -0.3 V ~ 4.2 V DVDD: 3.306 V
AVDD: 13 AVDD: -0.3 V ~ 8.5 V AVDD: 7.8 V