Read LG 47LH85 (CHASSIS:LA92F) Service Manual online
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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
================================
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