Read LG 50PZ570B-SB (CHASSIS:PB12A) Service Manual online
F
i
b
e
r
O
p
t
i
c
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.
DSUB_R+
+5V_Normal
R810
22
C802
560pF
50V
50V
D804
30V
DSUB_VSYNC
NEC_TXD
EDID_WP
R806
2.7K
NEC_RXD
IC801
74F08D
3
Q0
2
D0B
4
D1A
1
D0A
6
Q1
5
D1B
7
GND
8
Q2
9
D2A
10
D2B
11
Q3
12
D3A
13
D3B
14
VCC
RGB_DDC_SDA
D808
30V
30V
D807
30V
30V
R846
0
D806
30V
30V
R829
4.7K
R814
2.7K
R830
0
C805
560pF
50V
50V
+5V_Normal
BCM_TX
DSUB_DET
D803
30V
30V
OPT
IR_OUT
+3.3V_Normal
C809
18pF
18pF
50V
C803
0.1uF
0.1uF
16V
D812
5.6V
BCM_RX
D810
ENKMC2838-T112
A1
C
A2
D805
30V
PC_L_IN
C820
0.1uF
0.1uF
DSUB_B+
R809
22
R841
0
JP809
R832
4.7K
RGB_DDC_SCL
R831
0
D809
5.6V
OPT
OPT
JP810
R801
22
PC_R_IN
+3.3V_Normal
C806
0.1uF
16V
SPDIF_OUT
R817
10K
R845
0
C813
0.1uF
R807
10K
10K
C811
0.1uF
16V
R836
0
C827
0.1uF
R808
10K
10K
IC805
MC14053BDR2G
OPT
3
Z1
2
Y0
4
Z
1
Y1
6
INH
5
Z0
7
VEE
8
VSS
9
C
10
B
11
A
12
X0
13
X1
14
X
15
Y
16
VDD
D813
30V
CDS3C30GTH
OPT
R812
75
D814
30V
CDS3C30GTH
OPT
+5V_Normal
C810
18pF
50V
R811
75
C815
0.1uF
R802
22
C801
560pF
50V
50V
C814
0.1uF
DSUB_HSYNC
DSUB_G+
R813
75
P802
SPG09-DB-009
1
2
3
4
5
6
7
8
9
10
R819
2.7K
2.7K
R815
2.7K
2.7K
C812
0.1uF
IC803
MAX3232CDR
EAN41348201
3
C1-
2
V+
4
C2+
1
C1+
6
V-
5
C2-
7
DOUT2
8
RIN2
9
ROUT2
10
DIN2
11
DIN1
12
ROUT1
13
RIN1
14
DOUT1
15
GND
16
VCC
R820
1K
C804
560pF
50V
50V
D811
5.6V
OPT
L801
BLM18PG121SN1D
L802
BLM18PG121SN1D
R833
100
R834
100
R803
0
0
5%
+3.3V_ST
+3.3V_ST
+3.3V_ST
JK802
JST1223-001
1
GND
2
VCC
3
VINPUT
4
FIX_POLE
JK800
PEJ027-01
6B
T_TERMINAL2
7B
B_TERMINAL2
5
T_SPRING
4
R_SPRING
7A
B_TERMINAL1
6A
T_TERMINAL1
3
E_SPRING
P801
SPG09-DB-010
1
RED
2
GREEN
3
BLUE
4
GND_1
5
DDC_GND
6
RED_GND
7
GREEN_GND
8
BLUE_GND
9
NC
10
SYNC_GND
11
GND_2
12
DDC_DATA
13
H_SYNC
14
V_SYNC
15
DDC_CLOCK
16
SHILED
C828
100pF
50V
50V
R847
22
R848
22
Q801
2SC3052
2SC3052
US
E
B
C
R816
47K
US
R818
47K
US
R835
2.7K
R800
100K
C816
82pF
50V
OPT
D815
CDS3C30GTH
D816
CDS3C30GTH
30V
C818
82pF
50V
OPT
R824
1K
R823
10
C819
270pF
50V
OPT
PC_SER_CLK
032:H20
+3.3V_Normal
R825
10
PC_SER_DATA
032:H20
C817
270pF
50V
OPT
L803
BLM18PG600SN1D
L804
BLM18PG600SN1D
L805
BLM18PG600SN1D
R804
470K
470K
R805
470K
470K
R821
0
R822
0
ZD8001
5.1V
ZD8003
5.1V
ZD8004
5.1V
ZD8002
5.1V
R826
0
0
OPT
R827
0
0
OPT
C808
22pF
50V
22pF
50V
C807
22pF
50V
22pF
50V
C821
4.7pF
50V
4.7pF
50V
OPT
C822
4.7pF
50V
4.7pF
50V
OPT
C823
4.7pF
50V
4.7pF
50V
OPT
R828
0
0
US
R837
100
KR_BR
R838
100
KR_BR
UART_RXD_3D
UART_TXD_3D
IC802
AT24C02C-SSHM-T
3
A2
2
A1
4
GND
1
A0
5
SDA
6
SCL
7
WP
8
VCC
RS232C PHONE JACK
SPDIF OUT
RGB/ PC AUDIO/ SPDIF/ EARPHONE/ RS232C
RGB PC
8
HIGH : SELECT X1, Y1, SELECT MAIN TX/RX
PC AUDIO
LOW : SELECT X0, Y0, SELECT MICOM TX/RX
COMMON JACK
BCM35230
31
RGB Compiance Test Improve by BCM
Click on the first or last page to see other 50PZ570B-SB (CHASSIS:PB12A) service manuals if exist.