Circuit Voltage Chart - LG MCV1306 Service Manual

CIRCUIT VOLTAGE CHART

1. HOW TO CHECK THE VOLTAGE
2. MAJOR ICs
Location / Supply Voltage
No.
Description Pin No.
13,47,94-VDD12
30,51,84,113-IO-
VDD33
120-PLL1VDD12
124-PLL2VDD12
122-PLL3VDD12
115-USBVDD33
IC501
1 14,48,95-VSS12
MLC9800
3,52,85,109,114-IO-
VSS33
119-PLL1VSS12
123-PLL2VSS12
121-PLL3VSS12
3-AVSS33
118- USBVSS33
IC101 VDD1,VDD2,
2
LC87F085NC8A VDD3,VDD4
IC100
3 VCC
S-24CS16
VDD_IO
VDD_CORE
IC602
4 VDD_VIN1
PS9850
VDD_VIN2
VDD_A
VA
IC603
5
AK5358
VD
IC605
6 VCC
S4308
IC604
7 VDD
DRV603
Turn the SMPS board over with cable connected
and check the voltage.
Source Spec / Rating Measured voltage
1.2V 1.08~1.32V 1.18V
3.3V 3.0~3.6V 3.26V
1.2V 1.08~1.32V 1.18V
1.2V 1.08~1.32V 1.18V
1.2V 1.08~1.32V 1.18V
3.3V 3.0~3.6V 3.26V
3.3V 3.0~3.6V 3.26V
1.2V 1.08~1.32V 1.18V
3.3V 3.0~3.6V 3.26V
1.2V 1.08~1.32V 1.18V
1.2V 1.08~1.32V 1.18V
3.3V 3.0~3.6V 3.26V
3.3V 3.0~3.6V 3.26V
3.3V 2.8~5.5V 3.37V
3.3V 2.7~5.5V 3.37V
3.3V 2.97~3.63V 3.31V
1.2V 1.08~1.32V 1.25V
3.3V 2.20~3.30V 3.30V
3.3V 2.20~3.30V 3.30V
1.2V 1.08~1.32 1.25V
5V 6.0V MAX 5.11V
3.3V 4.6V MAX 3.31V
12V 4.5~12V 11.25V
5V 3~5.5V 5.1V
3-77
Location / Supply Voltage
No.
Description Pin No.
PVDD_X
IC701
8 GVDD_X
TAS5631
VDD
IC502
9 VDD,VDDQ
EM638165TS-6G
IC503
10 VDD
M25L1605D2I-12G
IC507
11 VCC
TC74VHC244FT
IC506
12 VCC
CP Chip
IC504
13 VDD33
USB2512A
IC505
14 VOUT
278R33
VDD
IC407
15
BU9543KV
VCORE
IC408
16 VCC1, VCC2
S3053
IC406
17 SVCC, PVCC
S8082
VA
VD
IC202
18
CS5346
VLS
VLC
IC203
19 VOUT
LM39102D
IC201
20 VCC
NJM2794RB2
IC204
21 VOUT
LM39102D
VDDK
IC801
22
FS-503B
VDDE
IC803
23 VDD
M25L1605D2I-12G
IC806
24 VCC
TC74VHC244FT
IC807
25 VDD
M25L1605D2I-12G
IC807
26 VCC
TC74VHC244FT
IC807
27 VOUT
KIA1112F
IC301
28 VDD
BU2090
IC302
29 VDD
BU2090
IC3U01
30 VOUT
LM3912D
3-78
Source Spec / Rating Measured voltage
48V 25~52.5V 47.7V
12V 10.8~13.2V 11.91V
12V 10.8~13.2V 11.91V
3.3V 3.0~3.6V 3.27V
3.3V 4.6V MAX 3.27V
3.3V 2.0~5.5V 3.27V
3.3V 7.0V MAX 3.27V
3.3V 3.0~3.6V 3.26V
3.3V - 3.28V
3.3V 2.7~3.6V 3.27V
1.5V 1.4~1.65V 1.58V
5V 4.3~13.2V 5.10V
5V 4.3~13.2V 5.10V
5V 4.75~5.25V 5.11V
3.3V 3.13~3.47V 3.27V
3.3V 3.13~3.47V 3.27V
3.3V 3.13~3.47V 3.27V
5V - 5.12V
12V 4.3~13V 11.93V
5V - 5.13V
1.2V 1.4V MAX 1.19V
3.3V 4.0V MAX 3.27V
3.3V 4.6V MAX 3.27V
3.3V 2.0~5.5V 3.27V
3.3V 4.6V MAX 3.27V
5V 2.0~5.5V 5.12V
1.2V - 1.19V
3.3V 7.0V MAX 3.66V
3.3V 7.0V MAX 3.66V
5V - 5.11V