LG 47LH80YD (CHASSIS:LB91F) Service Manual ▷ View online
- 29 -
General Purpose Input/Output; 4 mA Driving Strength
E5
F5
F5
G5
H5
H5
F6
GPIO_PM0/GPIO134
GPIO_PM1/GPIO135
GPIO_PM2/GPIO136
GPIO_PM3/GPIO137
GPIO_PM4/GPIO138
GPIO_PM1/GPIO135
GPIO_PM2/GPIO136
GPIO_PM3/GPIO137
GPIO_PM4/GPIO138
(Not Used)
(Not Used)
General Purpose Input/Output; 4 mA Driving Strength
AC18
LVSYNC/GPIO133
(Not Used)
(Not Used)
General Purpose Input/Output; 4 mA Driving Strength
C5
GPIO102
(Not Used)
(Not Used)
General Purpose Input/Output; 4 mA Driving Strength
AF5
AF10
GPIO42/PCM2_CE_N
GPIO43/PCM2_IRQA_N
GPIO43/PCM2_IRQA_N
(Not Used)
(Not Used)
Ethernet MAC Collision Detect
A11
ET_COL
(Not Used)
(Not Used)
General Purpose Input/Output; 4 mA Driving Strength
D9
GPIO96
(Not Used)
(Not Used)
Audio Bit Clock Input/General Purpose Input/Output; 4 mA Driving Strength
B8
GPIO68
(Not Used)
(Not Used)
IR Receiver Input
C4
IR_IN
(Not Used)
(Not Used)
SAR Low Speed ADC Input; General Purpose Input/Output
A4
B4
F4
E4
B4
F4
E4
SAR0
SAR1
SAR2
SAR3
SAR1
SAR2
SAR3
(Not Used)
(Not Used)
General Purpose Input/Output; 4 mA Driving Strength
AC17
AB17
AB17
AF11
GPIO131/LDE/SPI_WPn1
GPIO130/LCK
GPIO132/LHSYNC/SPI_WPn
GPIO130/LCK
GPIO132/LHSYNC/SPI_WPn
WP# of Serial Flash Memory for Boot
(Not Used)
(Not Used)
Flash_WP_1
(Not Used)
Flash_WP_1
Pulse Width Modulation Output; 4 mA Driving Strength
AB13
AB12
AD12
AA13
AB12
AD12
AA13
PWM0
PWM1
PWM2
PWM3
PWM1
PWM2
PWM3
MCU Boot Strap
PWM [0:1] =
10 : Boot 51
11 : Boot RISC
PWM [0:1] =
10 : Boot 51
11 : Boot RISC
PWM0
PWM1
(Not Used)
(Not Used)
PWM1
(Not Used)
(Not Used)
Ethernet MAC Transmit Enable
B10
ET_TX_EN
DSUB E-DID ROM WP
VGA_EEPROM_WP
DDC Clock for Analog port
DDC Data for Analog port
DDC Data for Analog port
J1
J2
J2
DDCA_CLK
DDCA_DA
DDCA_DA
S6 Debug Port
ISP_RXD
ISP_TXD
ISP_TXD
Ethernet MAC Management Data Bus
B9
ET_MDIO
VSB/QAM Demodulator Chip Reset
VSB_RESET
Ethernet MAC Management Data Clock
A10
ET_MDC
VSB/QAM Demodulator +3.3V Enable
VSB_CTRL
Word Select Input/General Purpose Input/Output; 4 mA Driving Strength
A7
GPIO67
USB Power Enable
USB_CTL
Universal Asynchronous Transmitter 2/General Purpose Input/Output; 4 mA Driving Strength
F10
GPIO85/UART2_TX
USB Power Fault Status Output
USB_OCD
Ethernet MAC Receive Data Bus 1
C9
ET_RXD1
DSUB RGB Input Detection
DSUB_DET
Ethernet MAC Transmit Clock
A9
ET_TX_CLK
Component2 Input Detection
COMP2_DET
Ethernet MAC Receive Data Bus 0
C11
ET_RXD0
Component1 Input Detection
COMP1_DET
Ethernet MAC Collision Data Bus 1
B11
ET_TXD1
AV2 CVBS Input Detection
AV2_CVBS_DET
Ethernet MAC Collision Data Bus 0
C10
ET_TXD0
AV1 CVBS Input Detection
AV1_CVBS_DET
General Purpose Input/Output; 4 mA Driving Strength/Audio Serial Data Output
D5
GPIO103/I2S_OUT_SD3
S-VIDEO Detection (will be deleted.)
AV1_SVIDEO_DET
Universal Asynchronous Receiver 1/General Purpose Input/Output; 4 mA Driving Strength
Universal Asynchronous Transmitter 1/General Purpose Input/Output; 4 mA Driving Strength
Universal Asynchronous Receiver 2/General Purpose Input/Output; 4 mA Driving Strength
S/PDIF Audio Input
Universal Asynchronous Transmitter 1/General Purpose Input/Output; 4 mA Driving Strength
Universal Asynchronous Receiver 2/General Purpose Input/Output; 4 mA Driving Strength
S/PDIF Audio Input
A6
B6
F9
B6
F9
F11
GPIO86/UART1_RX
GPIO87/UART1_TX
GPIO84/UART2_RX
SPDIF_IN
GPIO87/UART1_TX
GPIO84/UART2_RX
SPDIF_IN
HDMI RX Input -5V Detection (Option)
5V_HDMI_1
5V_HDMI_2
5V_HDMI_3
5V_HDMI_4
5V_HDMI_2
5V_HDMI_3
5V_HDMI_4
General Purpose Input/Output; 4 mA Driving Strength
D6
GPIO99
Wireless TX -HDMI RX Chip Reset
HDMI_RX_RESETb
General Purpose Input/Output; 4 mA Driving Strength
E10
H6
GPIO98
GPIO140/GPIO_PM6/INT2
GPIO140/GPIO_PM6/INT2
Wireless TX -HDMI RX Chip Interrupt
HDMI_RX_INT
General Purpose Input/Output; 4 mA Driving Strength
E8
GPIO97
HDMI TX Chip Reset
HDMI_TX_RESETb
General Purpose Input/Output; 4 mA Driving Strength
E11
GPIO91
HDMI TX DDC Selection for Jupiter
HDMI_TX_DDC_SEL
General Purpose Input/Output; 4 mA Driving Strength/Audio Output Mute Control
D7
GPIO90/I2S_OUT_MUTE
HDMI TX Chip Interrupt
HDMI_TX_INT
General Purpose Input/Output; 4 mA Driving Strength
D10
G6
GPIO88
GPIO139/GPIO_PM5/INT1
GPIO139/GPIO_PM5/INT1
Wireless TX -Baseband Chip Interrupt
WIHD_TX_INT
General Purpose Input/Output; 4 mA Driving Strength
AC11
GPIO44
HDMI TX Output Selection
HDMI_TX_SEL
Audio Output Mute Control
General Purpose Input/Output; 4 mA Driving Strength/Universal Asynchronous Transmitter 1
General Purpose Input/Output; 4 mA Driving Strength/Universal Asynchronous Transmitter 1
E7
C6
C6
LHSYNC2/I2S_OUT_MUTE/RX1
GPIO79/LVSYNC2/TX1
GPIO79/LVSYNC2/TX1
I2C Channel 6
FE_TUNER_SCL
FE_TUNER_SDA
FE_TUNER_SDA
General Purpose Input/Output; 4 mA Driving Strength
AA18
AA17
AA17
GPIO60/PCM2_RESET/RX1
GPIO62/PCM2_CD_N/TX1
GPIO62/PCM2_CD_N/TX1
I2C Channel 4
SDA1
SCL1
SCL1
DDC Data for ROM
DDC Clock for ROM
DDC Clock for ROM
AB21
AC21
AC21
DDCR_DA
DDCR_CK
DDCR_CK
I2C Channel 2
SDA0
SCL0
SCL0
Universal Asynchronous Transmitter 2 / I2c Master Serial Clock
Universal Asynchronous Receiver 2 / I2c Master Serial Data
Universal Asynchronous Receiver 2 / I2c Master Serial Data
F8
D11
UART2_TX/SCKM
UART2_RX/SDAM
UART2_RX/SDAM
I2C Channel 1
EEPROM_SCL
EEPROM_SDA
EEPROM_SDA
Saturn 6 Function
BALL
PIN NAME
Description
GPIO IN/OUT
GPIO Configuration
BLOCK DIAGRAM_AV BOX
LG Electronics. Inc. All right reserved.
- 30 -
EXPLODED VIEW
300
200
200T
810
803
804
400
520
540
805
550
802
530
801
121
120
510
570
500
560
310
LV1
900
LV2
A2
700
710
770
780
790
720
730
750
740
760
Many electrical and mechanical parts in this chassis have special safety-related characteristics. These
parts are identified by in the Schematic Diagram and EXPLODED VIEW.
It is essential that these special safety parts should be replaced with the same components as
recommended in this manual to prevent X-RADIATION, Shock, Fire, or other Hazards.
Do not modify the original design without permission of manufacturer.
parts are identified by in the Schematic Diagram and EXPLODED VIEW.
It is essential that these special safety parts should be replaced with the same components as
recommended in this manual to prevent X-RADIATION, Shock, Fire, or other Hazards.
Do not modify the original design without permission of manufacturer.
IMPORTANT SAFETY NOTICE
Media Box
U
S
B
D
O
W
N
S
T
R
E
A
M
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.
IN/OUT
JK502
KCN-DS-1-0088
6630G00001C
1
2
3
4
5
6
7
8
9
10
+3.3V_ST
L502
BLM18PG121SN1D
R510
100
R509
100
IC500
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
ISP_RXD
9:AC30;Y26
R522
0
OPT
+5V_Wireless
JK503
UB01123-4HHS-4F
1
2
3
4
5
L500
CB3216PA501E
USB_PWR_CTL
USB_DM 9:AO37
USB_DP 9:AO37
D502
30V
CDS3C30GTH
OPT
D501
30V
CDS3C30GTH
OPT
+5V_EXT
L505
CB3216PA501E
READY_USB_POWER
FAN_POWER
L503
BLM18PG121SN1D
OPT
FAN_ERROR
9:AO26;12:AF16
P500
TJC2508-4A
ISP_S5
1
2
3
4
ISP_RXD
9:AC30;R25
ISP_TXD
9:AC30;R25
ISP_TXD
9:AC30;Y25
R521
0
OPT
R502
2.2K
+5V
R503
2.2K
R516
4.7K
OPT
+3.3V_ST
R517
4.7K
OPT
UART_RXD
9:AC30
UCOM_RXD
12:AF17
RXD_232
AF22
EYE_LED_SDA
9:AT6;12:AF16
L509
BG2012B080TF
R538
0
0
R537
0
0
EYE_LED_SCL
9:AT6;12:AF16
IR
12:M15
R534
0
0
+3.3V
L512
CB3216PA501E
L506
CB3216PA501E
+5V_ST
C524
0.1uF
16V
C527
1000pF
50V
C522
0.1uF
16V
C523
1000pF
50V
KEY1
12:W8
ZD501
5.6B
+3.3V_ST
L508
BG2012B080TF
R525
100 1%
100 1%
R527
4.7K
L507
BG2012B080TF
KEY2
12:W8
R526
100 1%
100 1%
R530
4.7K
C525
0.1uF
ZD500
5.6B
C526
0.1uF
C517
0.1uF
16V
OPT
D500
CDS3C05HDMI1
OPT
CDS3C05HDMI1
OPT
R531
0
OPT
0
OPT
RL_ON
4:O26;4:Q25;12:AF18
R533
4.7K
OPT
4.7K
OPT
Q500
2SC3052
OPT
E
B
C
+3.3V_ST
R535
10K
10K
OPT
D504
30V
CDS3C30GTH
C543
47pF
50V
47pF
50V
C542
220pF
50V
220pF
50V
D503
30V
CDS3C30GTH
C545
47pF
50V
47pF
50V
C544
220pF
50V
220pF
50V
R542
220
R543
220
C505
0.1uF
C504
0.1uF
C503
0.1uF
C507
0.1uF
C546
0.33uF
D506
5.6V
CDS3C05HDMI1
D507
5.6V
CDS3C05HDMI1
R544
4.7K
OPT
C511
0.1uF
16V
USB_PWR_CTL
R540
180
USB_PWR_CTL
USB_CTL
9:AO18
IC506
MIC2009YM6-TR
USB_PWR_CTL
EAN43439401
3
ENABLE
2
GND
4
FAULT/
1
VIN
6
VOUT
5
ILIMIT
+5V_EXT
R541
47
47
USB_PWR_CTL
R519
10K
10K
USB_PWR_CTL
USB_OCD
9:AO31
+3.3V
C513
10uF
10V
USB_PWR_CTL
R545
120K
OPT
R532
0
0
LED_ON
12:T8
R539
0
0
C528
100pF
50V
ZD502
5.6B
5.6B
+3.3V_ST
L513
22UH
22UH
R529
100
READY
C540
0.1uF
16V
0.1uF
16V
C532
0.47uF
25V
FAN_EN
AC4;12:AF15
IC504
MP2305DS
EAN33143501
3
SW
2
IN
4
GND
1
BS
5
FB
6
COMP
7
EN
8
SS
R528
10K
1%
1%
L510
CB3216PA501E
READY
R523
56K
1%
1%
C538
0.1uF
16V
0.1uF
16V
C535
0.01uF
50V
0.01uF
50V
C531
10uF
16V
16V
+12V
C537
22uF
16V
22uF
16V
C539
0.1uF
0.1uF
50V
FAN_POWER
C536
5600pF
50V
R524
9.1K
R515
10K
OPT
R553
2K
OPT
OPT
R505
4.7K
Q501
RTR030P02
S
D
G
+5V_ST
L517
BLM18PG121SN1D
OPT
L516
BLM18PG121SN1D
+5V_EXT
Q502
2SC3052
E
B
C
R549
10K
R550
560
C518
0.1uF
R551
10K
OPT
OPT
FAN_EN
AM6;12:AF15
RX_EN
O4;12:X25
R552
10K
C520 0.1uF 16V
C519 10uF 16V
C501
330uF
25V
330uF
25V
C516
1uF
C549
0.1uF
16V
0.1uF
16V
C547
1uF
1uF
R506
100K
100K
C548
820pF
+5V_Wireless
R556
11K
1%
11K
1%
C509
100uF
16V
16V
C554
100uF
16V
100uF
16V
OPT
C550
22pF
L514
10uH
R513
27K
27K
+12V
IC501
APW7080KAI-TRL
EAN50480501
3
UGND
2
EN
4
VCC
1
VIN
5
LX
6
COMP
7
FB
8
GND
C514
22uF
22uF
16V
Q504
SI4925BDY
EBK32753101
Protect In-rush current
3
S2
2
G1
4
G2
1
S1
5
D2_1
6
D2_2
7
D1_1
8
D1_2
C553
1uF
1uF
C551
68pF
C502
47uF
25V
47uF
25V
R518
24K
L501
CB3216PA501E
C510
0.1uF
50V
0.1uF
50V
R558
59K
59K
1%
C508
10uF
25V
10uF
25V
D505
500MV
MBRS340T3G
C534
100pF
50V
OPT
OPT
C533
100pF
50V
OPT
OPT
C515
1uF
R514
8.2K
8.2K
R511
10K
RX_EN
AC3;12:X25
C552
1uF
OPT
1uF
OPT
Q503
2SC3052
2SC3052
E
B
C
L504
UBW3216-121
P502
12507WS-08L
1
2
3
4
5
6
7
8
9
C512
0.1uF
0.1uF
P501
SMW200-03
1
2
3
R507
0
OPT
R500
0
R508
0
C506
10uF
16V
16V
C500
0.1uF
16V
UART_SEL2
AJ22;12:U25
UART_SEL2
P22;12:U25
+3.3V_ST
C529
0.1uF
0.1uF
C521
0.1uF
R501
10K
R555
10K
OPT
RXD_232
L23
IC503
NLASB3157DFT2G
EAN38256201
ANALOG SWITCH
ON SEMICONDUCTOR
OPT
3
B0
2
GND
4
A
1
B1
6
SELECT
5
VCC
RXD_WIRELESS
2:J23
UART_SEL1
12:T25
+3.3V_ST
IC502
NLASB3157DFT2G
EAN38256201
ANALOG SWITCH
ON SEMICONDUCTOR
3
B0
2
GND
4
A
1
B1
6
SELECT
5
VCC
+3.3V_ST
UCOM_TXD
12:AF17
TXD_WIRELESS
9:AO31;2:J22
R512
10K
OPT
RXD_S5
9:AO31
R504
0
UART_TXD
9:AC30
IC505
NLASB3157DFT2G
EAN38256201
ANALOG SWITCH
ON SEMICONDUCTOR
3
B0
2
GND
4
A
1
B1
6
SELECT
5
VCC
C530
0.1uF
OPT
0.1uF
OPT
P503
12507WS-12L
1
SCL
2
SDA
3
GND
4
KEY1
5
KEY2
6
ST_5V
7
GND
8
WARM_ST
9
IR
10
GND
11
3.3V
12
LED_ON
13
.
C555 0.1uF 16V
OPT
C541
0.1uF
0.1uF
FOR EMI
1
IN/OUT
JUNO
12
RS232C & ISP
USB
RX B/D FAN
USB POWER CONTROL OPTION
ISP FOR S5
[CONTROL IR & LED]
WIRELESS RX BOARD POWER
Pin to Pin Replacable with T-MIC2019YM6
DO JAE GEUN
09.02.04
Vout=0.923*(R1+R2)/R2
---------------------
---------------------
R1
R2
READY FOR FAN POWER VOLTAGE CONTROL
R1
R2
4A/10ms
Vout=0.8*(1+R1/R2)
UART CONNECTION
================================
MICOM S5 RX_B/D
--------------------------------
UART_SEL1: L H X
UART_SEL2: L L H
--------------------------------
S5 <-> RX: CON CON DIS-CON
CONNECT
================================
================================
MICOM S5 RX_B/D
--------------------------------
UART_SEL1: L H X
UART_SEL2: L L H
--------------------------------
S5 <-> RX: CON CON DIS-CON
CONNECT
================================
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.
SCL_DDC
F11
HDMI0_RX0-
9:F36
C300
0.1uF
50V
0.1uF
50V
R324
100
100
EEPROM_WP
9:AO25
HDMI1_RX0+
9:F34
HDMI1_RX2+
9:F33
R322
10K
10K
HDMI0_RX1+
9:F36
HDMI1_RX1-
9:F33
+5V
CEC
S27
HDMI0_RXC-
9:F36
HDMI1_SCL
9:F32
HDMI1_SDA
9:F33
C304
8pF
50V
8pF
50V
OPT
VR305
VR304
AVRL161A1R1NT
10V
HDMI1_POWER
9:V29;D13
HDMI0_RX1-
9:F36
HDMI1_RXC+
9:F34
SDA_DDC
Y17
HDMI1_RX0-
9:F34
D301
ENKMC2838-T112
A1
C
A2
HDMI0_RX2-
9:F35
SDA_DDC
G11
HDMI0_RXC+
9:F37
SCL_DDC
Y17
HDMI0_RX0+
9:F36
IC300
CAT24C02WI-GT3
EAN35989901
3
A2
2
A1
4
VSS
1
A0
5
SDA
6
SCL
7
WP
8
VCC
HDMI1_RXC-
9:F34
HDMI0_RX2+
9:F35
R315
22
R318
4.7K
4.7K
HDMI1_RX2-
9:F33
R314
22
R320
4.7K
4.7K
HDMI1_RX1+
9:F33
C301
8pF
50V
8pF
50V
OPT
R302
0
R304
0
HDMI_CEC
SDA_WIRELESS
9:F35;12:AF14
SCL_WIRELESS
9:F35;12:AF15
R325
9.1K
C302
0.1uF
16V
0.1uF
16V
GND
R321
0
OPT
0
OPT
R319
0
0
Q300
SSM6N15FU
HDMI_CEC
0TFTH80001A
3
DRAIN2
2
GATE1
1
SOURCE1
4
SOURCE2
5
GATE2
6
DRAIN1
CEC
J10
HDMI_CEC
9:F32;12:M15
R301
0
R312
0
SDA_WIRED/MICOM_ISP
12:W8
SCL_WIRED/MICOM_ISP
12:X8
R313
0
R300
0
HDMI0_HPD
9:F35
+3.3V_ST
R328
47K
47K
OPT
R329 1K
OPT
VR308
AVRL161A1R1NT
GND
D300
MMBD301LT1G
R323
68K
R333
0
R334
0
R332
0
R335
0
R336
0
R337
0
R338
0
R339
0
R340
0
R341
0
R342
0
R343
0
R344
0
R345
0
R346
0
R347
0
+3.3V_ST
R310
0
R311
0
R306
0
R307
0
C303
0.1uF
16V
0.1uF
16V
OPT
VR303
AVRL161A1R1NT
HDMI0_POWER
9:AO31
R309
3.6K
OPT
VR302
AVRL161A1R1NT
HDMI1_POWER 9:V29;X20
R327
3.6K
This GPIO has inner pull-up
VR306
AVRL161A1R1NT
C305
0.1uF
16V
0.1uF
16V
VR300
AVRL161A1R1NT
10V
VR301
JK300
QJ41193-CFEE1-7F
1
D2+
2
D2_GND
3
D2-
4
D1+
5
D1_GND
6
D1-
7
D0+
8
D0_GND
9
D0-
10
CK+
11
CK_GND
12
CK-
13
CE_REMOTE
14
NC
15
DDC_CLK
16
DDC_DAT
17
GND
18
5V
19
HP_DET
20
GND
21
GND
22
GND
R326
1K
HDMI1_HPD
9:F32
+3.3V_ST
R330
47K
OPT
47K
OPT
R305
10K
10K
Q301
2SC3052
E
B
C
R317
1K
OPT
+5V_EXT
R303
1K
1K
R308
1K
OPT
TXD_WIRELESS
9:AO31;1:T22
RXD_WIRELESS
1:AJ21
R316
0
R331
1K
1K
OPT
JK301
YKF45-7059V
14
RESERVED
13
CEC
5
TMDS_DATA1_SHIELD
20
BODY_SHIELD
12
TMDS_CLK-
11
TMDS_CLK_SHIELD
2
TMDS_DATA2_SHIELD
19
HOT_PLUG_DETECT
18
VDD[+5V]
10
TMDS_CLK+
4
TMDS_DATA1+
1
TMDS_DATA2+
17
DDC/CEC_GND
9
TMDS_DATA0-
8
TMDS_DATA0_SHIELD
3
TMDS_DATA2-
16
SDA
7
TMDS_DATA0+
6
TMDS_DATA1-
15
SCL
2
HDMI
JUNO
HDMI5
HDMI0 (ONLY FOR INNER RX BOARD)
HDMI CEC
(READY)
(READY)
LEE GI YOUNG
12
09.02.04
EDID
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