LG 84LA980V-ZD (CHASSIS:LD34E) 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.
12/08/16
RS232C
68
IC6801
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
+3.5V_ST
C6810
0.1uF
C6813
0.1uF
0.1uF
R6821
100
100
SOC_RX
ZD6803
20V
ADUC 20S 02 010L
OPT
C6809
0.1uF
C6812
0.33uF
OPT
SOC_TX
ZD6802
ADUC 20S 02 010L
20V
ADUC 20S 02 010L
20V
OPT
C6811
0.1uF
C6808
0.1uF
R6820
100
100
JK6801
SPG13-SD-0402
1
2
3
4
5
6
7
8
9
10
RS-232C Control INTERFACE
THERMAL
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.
A_GND
C6905
10uF
25V
10uF
25V
LNB
R6900
2.2K
1W
2.2K
1W
LNB
A_GND
L6900
15uH
SP-7850_15
LNB
R6904
0
I2C_SDA4
C6907
10uF
25V
10uF
25V
LNB
R6901
33
LNB
D6901
30V
MBR230LSFT1G
LNB
C6910
0.1uF
50V
0.1uF
50V
LNB
C6911
0.22uF
LNB
+12V
D6900
LNB
LNB_OUT
D6903-*1
40V
LNB_SX34
D6902
30V
LNB
C6903
0.01uF
50V
LNB
R6902
33
LNB
C6906
10uF
25V
10uF
25V
LNB
A_GND
D6904-*1
40V
LNB_SX34
A_GND
A_GND
R6903
39K
39K
1/16W
1%
1%
LNB
A_GND
D6903
40V
LNB_SMAB34
D6904
40V
LNB_SMAB34
LNB_TX
C6904
0.1uF
50V
0.1uF
50V
LNB
C6908
0.1uF
LNB
C6909
10uF
25V
10uF
25V
LNB
C6912
0.1uF
LNB
C6902
0.22uF
25V
LNB
I2C_SCL4
C6900
18pF
18pF
LNB
C6901
33pF
33pF
LNB
IC6900
A8303SESTR-T
LNB
1
VCP
3
NC_1
7
SCL
9
ADD
10
TONECTRL
11
TCAP
12
ISET
13
VREG
14
GND
15
VIN
16
LX
17
GNDLX
18
NC_2
19
NC_3
20
BOOST
5
TDO
8
SDA
6
IRQ
4
TDI
2
LNB
21
[EP]GND
69
LNB
2012.03.08
Input trace widths should be sized to conduct at least 3A
Ouput trace widths should be sized to conduct at least 2A
DVB-S2 LNB Part Allegro
Surge protectioin
close to VIN pin(#15)
Max 1.3A
close to Boost pin(#1)
(Option:LNB)
2A
3.5A
Close to Tuner
Caution!! need isolated GND
3A
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.
TXBCLKP/TX2P
R7217
0
0
UD
TXC3N
TXB0N/TX5N
TXC2P
TXB3N/TX1N
TXBCLKN/TX2N
BPL_IN
C7201
10uF
16V
10uF
16V
OPT
R7208
0
OLED
TXA0N/TX11N
TXC0P
I2C_SDA1
TXC0N
TXA0P/TX11P
R7214
10K
10K
LVDS_BIT_SEL_LOW
TXC2N
R7204
0
OLED
TXA4P/TX6P
TXCCLKP
L7201
120-ohm
LVDS
R7215
10K
UD_OLED
TXACLKP/TX8P
TXB4N/TX0N
TXA1P/TX10P
R7209
0
OLED
TXB3P/TX1P
TXB2P/TX3P
P7202
FI-RE41S-HF-J-R1500
LVDS
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
TXC4N
TXC4P
TXC1P
TXA4N/TX6N
TXC3P
T_CON_SYS_POWER_OFF
TXA2N/TX9N
TXACLKN/TX8N
TXB0P/TX5P
R7216
0
OLED
TXA2P/TX9P
TXA3P/TX7P
TXCCLKN
TXC1N
T_CON_SYS_POWER_OFF
P7201
FI-RE51S-HF-J-R1500
LVDS
1
NC
2
NC
3
NC
4
NC
5
NC
6
NC
7
LVDS_SEL
8
NC
9
NC
10
L/DIM_ENABLE
11
GND
12
RA0N
13
RA0P
14
RA1N
15
RA1P
16
RA2N
17
RA2P
18
GND
19
RACLKN
20
RACLKP
21
GND
22
RA3N
23
RA3P
24
RA4N
25
RA4P
26
GND
27
BIT_SEL
28
RB0N
29
RB0P
30
RB1N
31
RB1P
32
RB2N
33
RB2P
34
GND
35
RBCLKN
36
RBCLKP
37
GND
38
RB3N
39
RB3P
40
RB4N
41
RB4P
42
GND
43
GND
44
GND
45
GND
46
GND
47
NC
48
VLCD
49
VLCD
50
VLCD
51
VLCD
52
GND
PA168_RESET
TXA3N/TX7N
R7213
0
ALEF
TXB1N/TX4N
TXB1P/TX4P
TXB4P/TX0P
I2C_SCL1
LED_R
C7203
0.1uF
16V
0.1uF
16V
LVDS
TXB2N/TX3N
FRC_FLASH_WP
INV_CTL
PANEL_VCC
TXA1N/TX10N
TXA1N
TXB2P
TXA4P
TXB2N
TXB1P
TXACLKN
TXA1P
TXB0P
TXB1N
TXA4N
TXACLKP
TXB0N
R7201 0
UD_CPBOX
I2C_SCL1
R7200 0
UD_CPBOX
I2C_SDA1
URSA7_RESET
FRC_DONE
R7202
0
UD
R7203
0
UD
R7205
0
UD
LVDS INTERFACE
[41Pin LVDS OUTPUT Connector]
[51Pin LVDS OUTPUT Connector]
BIT_SEL
LVDS
TXD3N/TX13N
TXD2P/TX15P
TXD0N/TX17N
TXD1P/TX16P
TXD2N/TX15N
TXD3P/TX13P
TXD4P/TX12P
TXDCLKN/TX14N
TXD4N/TX12N
TXD1N/TX16N
TXDCLKP/TX14P
TXD0P/TX17P
H13 BALL NAME
BSD-NC4_H072-HD
2012-10-15
OLED : FRC_RESET = LVDS_VAL
INV_CTL = ELVDD_ON
INV_CTL = ELVDD_ON
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