Read LG 19LU55 (CHASSIS:LA92A) Service Manual online
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BLOCK DIAGRAM
D-sub RGB
HDMI 1
Side AV
CVBS, L/R
DDR2 (512Mbit)
Qimonda /
Hynix
NAND Flash
(256Mb)
Digital Audio (Optic)
Digital AMP
NTP3100L
RS-232C (Ctrl./SVC)
I2S
EEPROM
512Kb
RGB/H/V
Half-NIM Tuner
DDR_Data[0:15], DQS, DM...
Addr.[ ], ctrl. data
MAX3232
Saturn5
(ATSC
US)
MPEG2
Linux
Scaler
Data [0...7]
IF +/-
SIF
TU_CVBS
Reset / IF_AGC...
SDA/SCL_5V
JTAG
CLK,TDI,TDO,MS,RST
Addr[0...1], CS...
Audio L/R
Audio L/R (for RGB)
HDMI 2
SPDIF
RX/TX
RX/TX
JACK PACK
at REAR
JACK PACK
at SIDE
SCL, SDA_3.3V
TR Buffer
VSB
Demod
.
LGDT3305
X-tal
Reset Switch
Reset IC
12MHz
TS In[0...7
]
TS_clk, SOP, Val
EEPROM
Data[16:31]
DDR2 (512Mbit)
Qimonda /
Hynix
AV
Component 1
Y Pb Pr, L/R
CVBS, Y/C, L/R
SCL, SDA_3.3V
Bluetooth
Dongle
(Option)
DP/DM
LCD Module
(FHD,HD)
LVDS
EEPROM
EEPROM
HDMI 3
EEPROM
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