LG 55LP620H (CHASSIS:LB3AZ / LB3AC) 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.
0 . 1 u F
C1005
UART_RX
0 . 1 u F
C1002
0 . 3 3 u F
C1000
0 . 1 u F
C1003
+3.5V_ST
0 . 1 u F
C1004
0 . 1 u F
C1001
SPG09-DB-009
JK1000
1
2
3
4
5
6
7
8
9
10
EAN41348201
MAX3232CDR
IC1000
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
IR_OUT_RS232C
+3.5V_ST
1K
R1004
UART_TX
1SS355
90V
D1002
4.7K
R1005
4.7K
R1006
+3.5V_ST
RS232C_9PIN
RS232C
EMEA INTERACTIVE
LP63xH-ZA
2 0 1 2 . 1 1 . 0 5
1 0
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.
SPI_SCK
0 . 1 u F
C1300
/SPI_CS
SPI_SDO
MX25L8006EM2I-12G
IC1300
S_FLASH_MAIN_MACRONIX
3
WP#
2
SO/SIO1
4
GND
1
CS#
5
S I / S I O 0
6
SCLK
7
HOLD#
8
VCC
SPI_SDI
/FLASH_WP
W25Q80BVSSIG
IC1300-*1
S_FLASH_MAIN_WINBOND
3
%WP[IO2]
2
DO[IO1]
4
GND
1
CS
5
D I [ I O 0 ]
6
CLK
7
HOLD[IO3]
8
VCC
+3.3V_Normal
EMEA INTERACTIVE
LP63xH-ZA
2 0 1 2 . 1 1 . 0 5
S-FLASH
1 3
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.
NEC_DBG_TX
+3.5V_ST
DBG_RX
100
R1721
0 . 1 u F
C1711
3.6K
R1709
UART_DBG_SW
+3.5V_ST
0 . 1 u F
C1705
MST_DBG_TX
3.6K
R1710
MST_DBG_RX
DBG_SW
DBG_RX
NEC_DBG_RX
DBG_TX
ON SEMICONDUCTOR
NLASB3157DFT2G
EAN38256201
ANALOG SWITCH
IC1702
3
B0
2
GND
4
A
1
B1
6
SELECT
5
VCC
DBG_TX
+3.5V_ST
EXT_VOL-
ON SEMICONDUCTOR
NLASB3157DFT2G
EAN38256201
ANALOG SWITCH
IC1705
3
B0
2
GND
4
A
1
B1
6
SELECT
5
VCC
ON SEMICONDUCTOR
NLASB3157DFT2G
EAN38256201
ANALOG SWITCH
IC1701
3
B0
2
GND
4
A
1
B1
6
SELECT
5
VCC
EXT_VOL+
+3.5V_ST
ON SEMICONDUCTOR
NLASB3157DFT2G
EAN38256201
ANALOG SWITCH
IC1706
3
B0
2
GND
4
A
1
B1
6
SELECT
5
VCC
+3.5V_ST
4.7K
R1724
0 . 1 u F
C1712
UART_RX
ON SEMICONDUCTOR
NLASB3157DFT2G
EAN38256201
ANALOG SWITCH
IC1703
3
B0
2
GND
4
A
1
B1
6
SELECT
5
VCC
I2C_SDA
MST_DBG_TX
I2C_SCL
UART_SW1
NEC_RX
ON SEMICONDUCTOR
NLASB3157DFT2G
EAN38256201
ANALOG SWITCH
IC1710
3
B0
2
GND
4
A
1
B1
6
SELECT
5
VCC
+3.5V_ST
ON SEMICONDUCTOR
NLASB3157DFT2G
EAN38256201
ANALOG SWITCH
IC1709
3
B0
2
GND
4
A
1
B1
6
SELECT
5
VCC
MST_NEC_TX
UART_SW2
1uF
50V
50V
C1714
NEC_EEPROM_SCL
22
R1731
100
R1728
100
R1720
NEC_EEPROM_SDA
EEPROM_SW
+3.5V_ST
ON SEMICONDUCTOR
NLASB3157DFT2G
EAN38256201
ANALOG SWITCH
IC1704
3
B0
2
GND
4
A
1
B1
6
SELECT
5
VCC
UART_RX
UART_TX
+3.5V_ST
ON SEMICONDUCTOR
NLASB3157DFT2G
EAN38256201
ANALOG SWITCH
IC1708
3
B0
2
GND
4
A
1
B1
6
SELECT
5
VCC
NEC_TX
MST_TX
MST_RX
MST_DBG_RX
UART_TX
0 . 1 u F
C1710
EEPROM_SDA
ON SEMICONDUCTOR
NLASB3157DFT2G
EAN38256201
ANALOG SWITCH
IC1707
3
B0
2
GND
4
A
1
B1
6
SELECT
5
VCC
MST_NEC_RX
0 . 1 u F
C1713
EEPROM_SCL
P E J 0 2 7 - 0 4
JK1701
6B T_TERMINAL2
7B B_TERMINAL2
5 T_SPRING
4 R_SPRING
7A B_TERMINAL1
6A T_TERMINAL1
3 E_SPRING
0 . 4 7 u F
50V
50V
EXT_SPK
C1744
10K
EXT_SPK
R1783
10uF
25V
25V
OPT
C1739
100uF
25V
EXT_SPK
C1748
1uF
50V
50V
EXT_SPK
C1743
10K
EXT_SPK
R1784
4.7K
EXT_SPK
R1779
AMP_RESET
4.7K
EXT_SPK
R1780
10K
OPT
R1782
0 . 1 u F
16V
EXT_SPK
C1737
1uF
50V
50V
EXT_SPK
C1735
22.0uH
EXT_SPK
L1712
1uF
50V
50V
EXT_SPK
C1745
10uF
25V
EXT_SPK
C1736
BLM18PG121SN1D
EXT_SPK
L1711
EXT_AMP_L
0 . 4 7 u F
50V
50V
EXT_SPK
C1746
100
EXT_SPK
R1776
EXT_SPK_R
0 . 1 u F
16V
EXT_SPK
C1738
TPA3124D2PWPR
IC1700
EXT_SPK
3
PVCCL_2
2
SD
4
MUTE
1
PVCCL_1
6
RIN
5
LIN
7
BYPASS
8
AGND_1
9
AGND_2
10
PVCCR_1
11
VCLAMP
12
PVCCR_2
13
PGNDR_1
14
PGNDR_2
15
ROUT
16
BSR
17
GAIN1
18
GAIN0
19
AVCC_1
20
AVCC_2
21
BSL
22
LOUT
23
PGNDL_1
24
PGNDL_2
100uF
25V
EXT_SPK
C1747
1uF
50V
EXT_SPK
C1734
EXT_SPK
L1710
0 . 1 u F
16V
EXT_SPK
C1741
+3.5V_ST
1uF
10V
10V
EXT_SPK
C1733
10K
EXT_SPK
R1777
10uF
25V
25V
EXT_SPK
C1740
22.0uH
EXT_SPK
L1713
+12V/+15V
1uF
10V
10V
EXT_SPK
C1732
10K
OPT
R1781
0 . 2 2 u F
50V
50V
EXT_SPK
C1749
MMBT3904(NXP)
EXT_SPK
Q1700
E
B
C
EXT_SPK_L
SUB_AMP_MUTE
0 . 2 2 u F
50V
50V
EXT_SPK
C1742
EXT_AMP_R
10K
EXT_SPK
R1778
100K
R1771
EXT_SPK
1uF
OPT
C1731
100
R1772
EXT_SPK
+3.3V_Normal
EXT_SPK_L
EXT_SPK_R
1uF
OPT
C1730
P E J 0 3 4 - 0 1
JK1700
EXT_SPK
6B
T_TERMINAL2
7B
B_TERMINAL2
5
T_SPRING
4
R_SPRING
3
E_SPRING
EXT_SPK_DET
10K
R1790
EXT_SPK
10K
R1791
EXT_SPK
CONNECTION
UART/I2C SWITCH
L
H
EXT_SPK_CONTROL/DEBUG
EXT_SPK AMP
EXT_SPK OUT
A - B 0
H
CONNECTION
L
UART_SW1
A - B 1
L
H
CONNECTION
MSTAR DEBUG
MSTAR ADJ
UART_SW2
A - B 0
A - B 1
INTERACTIVE
NEC USB_DOWNLOAD
UART_SW
A - B 0
A - B 1
NEC DEBUG
MSTAR DEBUG
A - B 0
A - B 1
DEBUG_NEC/MSTAR
H
DBG_SW
L
EXT_SPK CONTROL
CONNECTION
A - B 0
A - B 1
NEC-EEPROM
H
EEPROM_SW
L
MSTAR-EEPROM
CONNECTION
EMEA INTERACTIVE
LP63xH-ZA
2 0 1 2 . 1 1 . 0 5
EXT SPK
1 7
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