LG 50PC3DD-UE (CHASSIS:PA73E) Service Manual ▷ View online
- 21 -
BLOCK DIAGRAM
Comp1_Y
8
(3A)
Comp1_Pb
11
(2A)
Comp1_Pr
16
(1A)
Comp2_Y
9
(3B)
Comp2_Pb
14
(2B)
Comp2_Pr
1
(1B)
2 12 7
SW1 SW2 SW3
6
(Out3) Comp_Y
5
(Out2)
Comp_Pb
3
(Out1) Comp_Pr
L
H
8
(3A)
11
(2A)
16
(1A)
RGB_G
9
(3B)
RGB_B
14
(2B)
RGB_R
1
(1B)
2 12 7
SW1 SW2 SW3
6
(Out3)
Y/G to LPF
5
(Out2)
Pb
/B to LPF
3
(Out1) Pr/R to LPF
L
H
IC5001
IC5002
Y/G
3
(YIN)
Pb
/B
5
(PBIN)
Pr/R
7
(PBIN)
1
(EXT_SYNC)
18
(SYNC_IN)
16 Comp_Y
15 Comp_
Pb
14 Comp_Pr
44
(GIN+)
43
(SOGIN)
41
(BIN+)
46
(RIN+)
IC704
IC4009
RGB_G
H Sync
7404
V Sync
RGB_B
RGB_R
BCM3550
GPIO
GPIO for sync selection
HD-DVI
Data [24]
H sync/V sync
/DE/Clock
H,V Sync/Clock
RGB_HS
GPIO for sync selection
RGB_HS
RGB_VS
RGB_HS
RGB_VS
GPIO
GPIO for Component 1
GPIO
GPIO for Component 2
GPIO for Component 2
GPIO for Component 1
IC1001
FMS6407
MST3361
MM1731
MM1732
DATA_OUT
H/V/DE/CLK
LPF_CTRL0
LPF_CTRL1
LPF_CTRL0
LPF_CTRL1
- 22 -
BLOCK DIAGRAM
IC704
BCM3550
GPIO
GPIO for Interrupt
HD-DVI
Data [0: 23]
H sync/V sync
/DE/Clock
H,V Sync/Clock
GPIO
GPIO for Power detection 1
GPIO
GPIO for Hot plug detection 1
IC1001
MST3361
TMDS1 RX0+/-
TMDS1 RX1+/-
TMDS1 RX2+/-
TMDS1 RX3+/-
DDC SDA1
DDC SCL1
EEPROM
For EDID
DDC SDA1
DDC SCL1
TMDS1
INPUT
DDC1
INPUT
TMDS2 RX0+/-
TMDS2 RX1+/-
TMDS2 RX2+/-
TMDS2 RX3+/-
DDC SDA2
DDC SCL2
EEPROM
For EDID
DDC SDA2
DDC SCL2
TMDS2
INPUT
DDC2
INPUT
HDCP SDA
HDCP SCL
EEPROM
For HDCP
NDA
NCL
INT
DATA_OUT
H,V Sync/DE
/Clock
HDMI 1
HDMI 2
GPIO
GPIO for Power detection 2
GPIO
GPIO for Hot plug detection 2
GPIO for Power detection 2
GPIO for Hot plug detection 2
GPIO for Power detection 1
GPIO for Hot plug detection 1
- 23 -
BLOCK DIAGRAM
SIF from TUNER
CXA2069
Side AV
V,LR
Rear AV
V, LR
Rear S
YC, LR
Side S
YC, LR
IN1
IN4
IN1
IN4
IN3
IN4
Comp_1
LR
Comp_2
LR
RGB(Phone)
LR
OUT1/R
OUT1/L
ANT/ Cable
TUNER
AUDIO ADC
(CS5331)
Audio R
I2S_SCK_IN
Audio L
BCM3550
SIF
I2S_LRCH_IN
I2S_LRCK_IN
I2S_SCK_IN
I2S_LRCH_IN
I2S_LRCK_IN
SPDIF_IN_P
SPDIF from MST3361
_R
MNT_Out
AUDIO DAC
(CS4344)
I2S_SCK_OUT
I2S_LRCH_OUT
I2S_LRCK_OUT
I2S_SCK_OUT
I2S_LRCH_OUT
I2S_LRCK_OUT
_L
MNT_Out
Analog L_OUT
Audio
AMP
(TPA3100)
SPDIF Out
SPDIF_OUT_P
AUD_LEFT_P
AUD_LEFT_N
AUD_RIGHT_N
AUD_RIGHT_P
SPK_L_P
SPK_L_N
SPK_R_N
SPK_R_P
Analog R_OUT
MC3307
(OP-AMP)
IF_P from TUNER for DTV
IF_N from TUNER for DTV
IF_P
IF_N
- 24 -
EXPLODED VIEW
300
121
560
120
570
305
303
302
301
304
200
580
201
202
203
204
240
400
430
431
250
205
206
208
101
207
600
602
601
590
501
502
520
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