Circuit Voltage Chart; Ics; Capacitors; Connectors - LG SKC9 Service Manual

CIRCUIT VOLTAGE CHART

1. ICs

Location Name Pin No
IC100 MICOM 87, 38, 16, 64
IC101 Serial Flash 8
IC102 Serial Flash 8
5
IC203 Switch
1
2
IC300 DC,DC
3
1
IC301 DC,DC
2
1
IC302 DC,DC
2
4
IC303 DC,DC
3
5
IC304 Switch
1
5
IC305 Switch
1
3
IC306 LDO
6
1
IC307 LDO
5
5
IC308 Switch
1
4
IC309 DC,DC
3
4
IC310 DC,DC
3
4
IC312 DC,DC
3
K12
G14
N23
IC501 MPEG
R26
AC3
N8
IC503 DDR3 SDRAM
IC504 DDR3 SDRAM
IC505 NAND
IC601 DSP
IC602 Serial Flash 8
13, 21, 25, 47
IC705 DAC 20, 48
6, 14, 24, 31
17
IC706 AMP
18, 19, 31, 32
17
IC707 AMP
18, 19, 31, 32
Pin Name Spec Measured Voltage
VDD 1.8 V ~ 3.6 V 3.341 V
VCC 2.7 V ~ 3.6 V 3.345 V
VCC 2.7 V ~ 3.6 V 3.342 V
VIN + 4.5 V ~ + 5.5 V + 5.087 V
VOUT
VIN + 4.0 V ~ + 30 V + 23.02 V
VOUT 0.8 V ~ 27 V 12.07 V
VIN + 4.5 V ~ + 17 V + 12.05 V
VOUT 0.8 V ~ 10 V 1.216 V
VIN + 4.5 V ~ + 17 V + 12.08 V
VOUT 0.8 V ~ 10 V 5.122 V
VIN + 2.7 V ~ + 5.5 V + 5.091 V
VOUT 0.6 V ~ 5 V 3.364 V
VIN + 2.5 V ~ + 5.5 V + 3.339 V
VOUT
VIN + 2.5 V ~ + 5.5 V + 3.346 V
VOUT
VIN + 2.5 V ~ + 5.5 V + 5.121 V
VOUT 1.5 V ~ 5 V 3.323 V
VIN + 2.0 V ~ + 6.0 V + 3.315 V
VOUT 0.8 V ~ 5 V 1.212 V
VIN + 2.5 V ~ + 5.5 V + 3.341 V
VOUT
VIN + 2.7 V ~ + 5.5 V + 5.08 V
VOUT 0.6 V ~ 5 V 3.51 V
VIN + 2.7 V ~ + 5.5 V + 5.07 V
VOUT 0.6 V ~ 5 V 1.512 V
VIN + 2.7 V ~ + 5.5 V + 5.5 V
VOUT 0.6 V ~ 5 V 1.217 V
DVCC12 1.14 V ~ 1.26 V + 1.213 V
DVCC33 3.15 V ~ 3.45 V + 3.345 V
AVDD12 1.14 V ~ 1.26 V + 1.218 V
AVDD33 3.15 V ~ 3.45 V + 3.342 V
DDRVCCIO1
DDRVREF
VIN + 2.8 V ~ + 5.5 V + 3.427 V
VIN + 2.8 V ~ + 5.5 V + 3.421 V
VCC - 0.6 V ~ + 4.6 V + 3.344 V
VDD_INT 1.05 V ~ 1.15 V 1.128 V
VDD_EXT 3.13 V ~ 3.47 V 3.341 V
VDD_DMC 1.425 V ~ 1.575 V 1.522 V
VDD_USB 3.13 V ~ 3.47 V 3.348 V
VCC 2.7 V ~ 3.6 V 3.343 V
VDD 1.14 V ~ 1.26 V + 1.216 V
DVCC 3.135 V ~ 3.465 V + 3.351 V
AVCC 3.135 V ~ 3.465 V + 3.332 V
AVCC 4.5 V ~ 26 V 23.01 V
PVCC 4.5 V ~ 26 V 23.03 V
AVCC 4.5 V ~ 26 V 23.00 V
PVCC 4.5 V ~ 26 V 22.98 V
3-19
ICs
Location Name Pin No
17
IC708 AMP
18, 19, 31, 32
17
IC710 AMP
18, 19, 31, 32
IC800 HDMI
IC801 Serial Flash 8
5
IC802 Switch
1
5
IC803 Switch
1
1
IC804 DC,DC
2

2. CAPACITORS

Location
C707 330uF/35V (105/ 2000HR)
C708 330uF/35V (105/ 2000HR)
C710 330uF/35V (105/ 2000HR)
C711 330uF/35V (105/ 2000HR)
C712 330uF/35V (105/ 2000HR)
C7U9 330uF/35V (105/ 2000HR)
C7V3 330uF/35V (105/ 2000HR)

3. CONNECTORS

Test Connector
Bluetooth CN102 (PIN10)
Wi-Fi CN501 (PIN1) 2.97 V ~ 3.63 V
Wireless (Subwoofer) CN104 (PIN1)
3-20
Pin Name Spec Measured Voltage
AVCC 4.5 V ~ 26 V 23.03 V
PVCC 4.5 V ~ 26 V 23.01 V
AVCC 4.5 V ~ 26 V 22.99 V
PVCC 4.5 V ~ 26 V 23.00 V
LPSBV 4.5 V ~ 5.5 V 5.053 V
RXn1_PWR5V 4.5 V ~ 5.3 V 5.041 V
SBVCC5 4.5 V ~ 5.5 V
IO_VDD33 3.14 V ~ 3.46 V 3.325 V
RX_AVDD33 3.14 V ~ 3.46 V 3.321 V
TX0_AVDD33 3.14 V ~ 3.46 V 3.325 V
RX_AVDD10 1.0 V ~ 1.1 V 1.046 V
TXn_AVDD10 1.0 V ~ 1.1 V 1.042 V
TXn_PVDD10 1.0 V ~ 1.1 V 1.044 V
CVDD10 1.0 V ~ 1.1 V 1.043 V
CG0_PVDD10 1.0 V ~ 1.1 V
RX_PVDD10 1.0 V ~ 1.1 V 1.041 V
VCC 2.7 V ~ 3.6 V 3.341 V
VIN + 2.5 V ~ + 5.5 V + 3.346 V
VOUT
VIN + 4.5 V ~ + 5.5 V + 5.079 V
VOUT
VIN + 4.5 V ~ + 17 V + 5.15 V
VOUT 0.8 V ~ 10 V 1.121 V
Spec Measured [V]
+23.12V
+23.12V
+23.12V
+23.12V
+23.12V
+23.12V
+23.12V
Spec Connector (Main) Mating Connector
3.0 V ~ 3.6 V 3.347 V 3.345 V
3.421 V 3.389 V
3.0 V ~ 3.6 V 3.344 V 3.349 V
Copyright © 2018 LG Electronics Inc. All rights reserved.
Only for training and service purposes.
5.07 V
1.04 V