LG 42PA450C-CM (CHASSIS:PA23A) Service Manual ▷ View online
LG Electronics Inc. Display Division
Establish : 2012/01/02
Reform : 2012/01/02
Reform : 2012/01/02
PD23A/B
Adjust specification
LG(55)C2-0661-00
28/ 25
LG electronics
3. Show the message “Copying files from memory”
4. Updating is staring.
5. Updating Completed, The TV will restart automatically.
After turn on TV, Please press ‘IN-STOP’ button on ADJ Remote-control.
※ IF you don’t have ADJ R/C, enter ‘Factory Reset’ in OPTION MENU.
※ IF you don’t have ADJ R/C, enter ‘Factory Reset’ in OPTION MENU.
6. When TV turn on, check the Updated version on Diagnostics MENU.
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Block Diagram
Ethernet
RGB PC
SPDIF
Component/AV
HDMI1/2(DVI)
Tuner
Tuner
PC/DVI Audi In
TU_CVBS
SIF
L/R
LG2111
B
IC101
SERIAL FLASH
IC505 (8M bit)
LVDS
(FHD/50Hz)
USB
DP/DM
SPK L/R
X-tal
24M
FPC(51P)
I2S
SPDIF
CVBS, Y/Pb/Pr, L/R
RGB/H/V
Rear
TMDS
DDR3 Add.
DDR3 Data
DDR3 Data
SPI
Side
NAND FLASH
IC504 (1Gbit)
PCM_A[0:7]
TMDS
HDMI3
DDR3 1Gb
IC1202
H5TQ1G63BFR
DDR3 1Gb
IC1201
H5TQ1G63BFR
CONTROL
IR & LED /
SOFT TOUCH
(TACT SWITCH)
SENSOR
_SCL/SDA
LED_R
KEY1
KEY2
IR
M24M01-HRMN6TP
IC503
1Mbit
I2C
CI Slo
t
74LCX244
Buffer
Buffer
TS_DATA[0:7]
PCM_DATA[0:7]
FE_TS_DATA[0:7]
PCM_A[8:14]
EPHY
FE_TS_DATA[0:7]
Audio AMP
STA380BWE
Component
Y/Pb/Pr, L/R
CI Slot:
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I2C MAP (LGE2112)
NVRAM
IC101
LGE2111B
22Ω
+3.3V_Normal
2.2KΩ
HDCP EEPROM
TUNER(A,D)
1KΩ
+3.3V_TU
TU_SCL
TU_SDA
I2C_SCL
I2C_SDA
Driving Current : 2/4/6/8mA
We can be changed by software
configuration.
+3.3V_Normal
1KΩ
IR BOARD
Intelligent sensor
SENSOR_SCL
SENSOL_SDA
100Ω
33Ω
AMP_SCL
(DEMOD_SCL)
AMP_SDA
(DEMOD_SDA_
IC606
STA380BW
1KΩ
+3.3V_Normal
22Ω
AMP_SCL
AMP_SDA
22Ω
TUNER(D.D)
DEMOD_SCL
DEMOD_SDA
- 14 -
900
910
120
501
A2
LV1
A10
A9
A12
520
601
304
400
590
240
580
200
302
303
310
540
300
305
301
EXPLODED VIEW
Many electrical and mechanical parts in this chassis have special safety-related characteristics. These
parts are identified by in the Schematic Diagram and EXPLODED VIEW.
It is essential that these special safety parts should be replaced with the same components as
recommended in this manual to prevent X-RADIATION, Shock, Fire, or other Hazards.
Do not modify the original design without permission of manufacturer.
IMPORTANT SAFETY NOTICE
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