LG 32LF550U, Service Manual

Page: 17 / 80

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LGE Internal Use Only Copyright © LG Electronics. Inc. All rights reserved.
Only for training and service purposes
BLOCK DIAGRAM
1. CIS T2/C/S2 3D Model
Main SO
C
M1A-LGE2133
(IC101, DDR3 128MB
)
(P1801
)
30P HD LVDS wafe r
51P FHD LVDS wafe r
(P1800
)
/Pb+/Pr+/L_R_IN or
AV
_CVBS_IN/L_R_I
N
CK+/
-, D0+/
-, D1+/
-, D2+/
-_HDMI2
DDC_SCL/SDA_2, HDMI_CEC
Serial Flas
h
(IC1300, 8Mbit
)
SPI_SCK/SDI/SDO/CS
System EEPROM (IC104, 256Kbit
)
I2C_SCL/SD
A
RXA0+
/-
~RXA4+
/-, RXACK+/
-
RXB0+
/-
~RXB4+
/-, RXBCK+/
-
SPK_R
SPK_
L
AMP_SCL/SD
A
AUD_MASTER_CLK,
AUD_LRCH,
AUD_LRCK,
AUD_SC
K
TA
S573
3
(IC5600
)
Connecto
r
(P4600
)
Jog KE
Y,
LED_R, IR
HDMI1 (JK800)
SPDIF_OUT
SPDIF(Optic)
(JK1001)
except LF54
USB
(JK700)
HDMI2 (JK801)
CK+/
-, D0+/
-, D1+/
-, D2+/
-,_HDMI4
DM/DP
USB1_OCP/CTL
SN1406035RGER
+5V_USB
HP_L/ROUT
Headphone (JK3000)
Only LF62/57/56
DDR3 SDRA
M
(IC1201, 128MB)
B-MDQL[0
-7],
B-
MDQU[0
-7],…
NAND FLASH IC102 (1Gbit)
H27U1G8F2CTR
-B
C
PCM_A[0:7]
T4LCX244FT
Buf
fer
TS_DA
TA
[0:7
]
PCM_DA
TA
[0:7
]
COMPONENT
(JK2802)
PCM_A[8:14]
X-
ta
l
24MH
Z
TU_SCL
/ SDA
Tune
r
(TU3701) F/NIM
DEMOD_SCL/SDA
IF_N/P
IF_AGC
FE_TS_DA
TA
[0:7
]
LNB_TX
LNB_OUT
, DEMOD_RESET
CI SLOT (P1900)
OCP
DDC_SCL/SDA_4, HDMI_CEC
REAR
SIDE