LG 42LD450C / 42LD452C (CHASSIS:LA01Z) Service Manual ▷ View online
THE SYMBOL MARK OF THIS SCHEMETIC DIAGRAM INCORPORATES
SPECIAL FEATURES IMPORTANT FOR PROTECTION FROM X-RADIATION.
FILRE AND ELECTRICAL SHOCK HAZARDS, WHEN SERVICING IF IS
ESSENTIAL THAT ONLY MANUFATURES SPECFIED PARTS BE USED FOR
THE CRITICAL COMPONENTS IN THE SYMBOL MARK OF THE SCHEMETIC.
SPECIAL FEATURES IMPORTANT FOR PROTECTION FROM X-RADIATION.
FILRE AND ELECTRICAL SHOCK HAZARDS, WHEN SERVICING IF IS
ESSENTIAL THAT ONLY MANUFATURES SPECFIED PARTS BE USED FOR
THE CRITICAL COMPONENTS IN THE SYMBOL MARK OF THE SCHEMETIC.
BT_LOUT
BT_DM
BT_ON/OFF
BT_DP
/PCM_CE
/PCM_CD
CI_TS_DATA[7]
CI_TS_DATA[6]
/PCM_REG
PCM_A[5]
CI_TS_SYNC
PCM_A[9]
CI_TS_DATA[3]
PCM_5V_CTL
PCM_D[0-7]
CI_TS_DATA[5]
/PCM_IRQA
/PCM_WE
PCM_A[1]
CI_TS_VAL
FE_TS_SYNC
FE_TS_VAL_ERR
PCM_RST
PCM_A[10]
/PCM_IOWR
/PCM_OE
PCM_A[12]
PCM_A[2]
PCM_A[8]
CI_TS_DATA[4]
FE_TS_DATA[0-7]
FE_TS_CLK
PCM_A[7]
/PCM_WAIT
CI_TS_DATA[0]
PCM_A[3]
PCM_A[11]
PCM_A[13]
CI_TS_DATA[2]
PCM_A[4]
PCM_A[14]
CI_TS_CLK
CI_TS_DATA[1]
PCM_A[6]
PCM_A[0]
/PCM_IORD
EPHY_REFCLK
TP2103
TP2109
TP2106
TP2111
TP2108
EPHY_TXD0
ET_RXER
EPHY_MDIO
TP2107
TP2102
EPHY_CRS_DV
TP2105
EPHY_RXD0
EPHY_MDC
TP2110
EPHY_RXD1
TP2104
/RST_PHY
TP2101
EPHY_TXD1
EPHY_EN
TP2501
RF_ENABLE
M_REMOTE_TX
TP2503
TP2504
M_REMOTE_RX
TP2502
RF_RESET
AMP_MUTE_HOTEL
0
R6001
CHB_CVBS_IN
/PIF_SPI_CS
PCM_D[6]
PCM_D[2]
PCM_D[1]
FE_TS_DATA[3]
FE_TS_DATA[6]
PCM_D[7]
PCM_D[5]
FE_TS_DATA[1]
PCM_D[3]
PCM_D[4]
FE_TS_DATA[5]
FE_TS_DATA[0]
FE_TS_DATA[2]
PCM_D[0]
FE_TS_DATA[7]
FE_TS_DATA[4]
NOT USING B/T
NON CI Region
NON ETHERNET
NON Motion Remocon Region
NON CHINA HOTEL
NON CHB
GP2_Saturn7M
16
T P / J P
LG Electronics/ BS Division
Commercial Gr.
LD450C Block Diagram
< Contents >
Video Signal Block
Video Signal Block
Audio Signal Block
Audio Signal Block
Flash Block & Reset
Flash Block & Reset
I2C Block
I2C Block
GPIO Block
GPIO Block
POWER Block
POWER Block
Overall Block Diagram
Overall Block Diagram
LVDS 출력 Block
LVDS 출력 Block
D-sub RGB
HDMI 1
Side AV2
CVBS, L/R
DDR2 (1 G bit)
H5TQ1G63BFR-H9C
NAND Flash(1 G bit)
NAND01GW3A2CN6E
Digital Audio
(Optic)
USB
Digital AMP
NTP7000L
I2S
NVRAM
RGB/H/V
DDR_Data[0:15], DQS, DM …
DDR2 (1 G bit)
H5TQ1G63BFR-H9C
Data[16:31]
Addr.[ ], ctrl. data
MAX3232
PCM_A [0 … 7]
IF +/-
SIF
TU_CVBS
X-tal
Reset / IF_AGC …
SDA/SCL_5V
Reset Switch
AV1
Component 1
Y Pb Pr, L/R
CVBS, L/R
CS ,RE,WE……
Audio L/R
Audio L/R
(for RGB)
HDMI 2
(side HDMI)
SPDIF
DP/DM/ +5V
RX/TX
RX/TX
Micom
(UPD78F0513AGA)
24MHz
JACK PACK
JACK PACK
at REAR
at REAR
SCL, SDA_3.3V
LVDS
RF
S7(LGE101D)
& S7 T (LGE105)
RS-232C
(CTRL./SVC)
S/W Reset
TDVJ
- H001F
Audio L/R
H/P
LCD Module
(FHD, 60Hz)
LCD Module
(FHD,M+S, 60Hz)
Mini LVDS
P-Gamma
Power Shift
Power Control
I2C(SCL/SDA)
RJP
GPIO
IR_IN
IR_IN
L/R OUT
External Speaker L/R OUT
Ext Amp.
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