LG 47LH90 Series, Руководство по обслуживанию

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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.
R754
100
OPT
IC706
MP2212DN
3
IN
2
GND
4
BS
1
FB
5
VCC
6
SW_1
7
SW_2
8
EN/SYNC
+3.3V
C763
22uF
0.1uF
C793
+3.3V_ST
R723
22K
1/10W
1%
POWER_EN
ERROR_OUT
001:AB20
R756
100
OPT
R732
22K
IC702
AP1117E33G-13
2
OUT
3
IN
1
ADJ/GND
R721
10K
OPT
R720
10K
L711
CB3216PA501E
C711
15pF
50V
L718
3.6uH
NR8040T3R6N
C737
1uF
10V
L721
BLM18PG121SN1D
POWER_EN
C714
22uF
16V
R719
10K
C721
DEV.68uF
C713
0.1uF
16V
R734
10
1/10W
1%
POWER_EN
001:AR30;007:B6;007:T3;007:AG9;007:AM26;007:AO16
L712
3.6uH
NR8040T3R6N
R702
10K OPT
C762
4.7uF
6.3V
OPT
C773
22uF
16V
3225
L703
BLM18PG121SN1D
C786
22uF
C753
0.1uF
16V
C765
22uF
16V
L706
CB4532UK121E
C723
1uF
35V
C764
22uF
OPT
R715
6.8K
OPT
R766
390K
1/8W
1%
C749
0.1uF
R748
10K
1/10W
OPT
+3.3V
POWER_ON/OFF
001:AR32
R726
10K
R770
56K
1/10W
1%
+3.3V_ST
+5V
P700
FW20020-24S
19
NC
14
12V
9
5.2V
4
GND
18
24V
13
12V
8
5.2V
3
GND
17
12
GND
7
5.2V
2
PWR ON
16
GND
11
GND
6
GND
1
NC
20
15
GND
10
5.2V
5
GND
21 22
23
NC
24
PWM_DIM
C756
10uF
C747
0.1uF
16V
C730
22uF
16V
OPT
C708
10uF
6.3V
C767
1uF
16V
R727
10K
0.1uF
C707
16V
OPT
C788
1uF
16V
+1.8V_DDR
C742
10uF
OPT
+3.3V
PANEL_CTL
001:AR32
L724
CB3216PA501E
C705
0.1uF
16V
C772
1000pF
OPT
+5V_ST
L725
CB3216PA501E
R763
10K
1/10W
R746
68K
Q705
2SC3052
E
B
C
IC701
SC4215ISTRT
3
VIN
2
EN
4
NC_2
1
NC_1
5
NC_3
6
VO
7
ADJ
8
GND
RL_ON
001:AR32
C726
220uF
16V
C758
0.1uF
16V
IC705
MP2212DN
3
IN
2
GND
4
BS
1
FB
5
VCC
6
SW_1
7
SW_2
8
EN/SYNC
R750
30K
1/10W
1%
C715
0.1uF
16V
+5V_GENERAL
C778
10uF
6.3V
C748
22uF
25V
POWER_ON_DELAY
L707
MLB-201209-0120P-N2
C727
DEV.68uF
L701
BG2012B121F
RL_ON_BEAD
Q706
SI4925BDY
3 S2
2 G1
4 G2
1 S1
5 D2_1
6 D2_2
7 D1_1
8 D1_2
+5V_EXT
OPC_OUT1
001:AF12
R745
10
1/10W
1%
L728
C712
10uF
10V
L700
BG2012B080TF
C790
0.1uF
16V
OPT
R709
0
OPT
L727
BLM18PG121SN1D
OPT
D701
100V
1N4148W_DIODES
OPT
R768
10
1/10W
1%
L709
CB3216PA501E
R764
0
C720
0.1uF
50V
OPT
4.7K
R707
R711
12K
1%
L719
BLM18PG121SN1D
L704
CB4532UK121E
+5V
C787
22uF
OPT
D700
100V
1N4148W_DIODES
OPT
Q708
2SC3875S(ALY)
OPT
E
B
C
C734
1uF
10V
D702
100V
1N4148W_DIODES
OPT
+5V_ST
C754
10uF
6.3V
L710
3.6uH
NR8040T3R6N
C746
0.1uF
IC704
MP2212DN
3
IN
2
GND
4
BS
1
FB
5
VCC
6
SW_1
7
SW_2
8
EN/SYNC
C780
0.1uF
16V
L705
BG2012B080TF
R760
0
+3.3V_ST
C776
22uF
16V
C761
4.7uF
6.3V
OPT
C733
22uF
OPT
L726
3.6uH
NR8040T3R6N
R701
120K
OPT
C792
22uF
16V
C768
22uF
16V
OPT
R769
18K
1/10W
1%
R762
13K
1/8W
1%
12V_TCON
IC703
AP1117E18G-13
2
OUT
3
IN
1
ADJ/GND
C771
10uF
6.3V
R718
10K
R733
10K
OPT
L702
BLM18PG121SN1D
R752
33K
1/10W
1%
C740
4.7uF
25V
R714
100
+1.8V_AMP
+3.3V_MEMC
R751
27K
1/10W
1%
R753
10K
OPT
R740
47K
C779
0.01uF
25V
INV_CTL
001:AR31
R716
100
OPT
C706
1uF
25V
R761
0
OPT
C757
10uF
10V
Q702
2SC3052
E
B
C
+3.3V_FE
C791
22uF
16V
C709
0.1uF
16V
OPT
C728
0.1uF
50V
+1.8V_MEMC
C735
0.1uF
50V
C704
10uF
10V
C750
22uF
16V
+1.26V_MEMC
Q707
2SC3052
OPT E
B
C
R713
0
R735
22K
+12V
C724
10uF
6.3V
C732
22uF
16V
R747
10K
OPT
R743
0
Q700
2SC3875S(ALY)
OPT
E
B
C
R704
4.7K
L717
BLM18PG121SN1D
L716
CB3216PA501E
C710
0.1uF
16V
L714
BLM18PG121SN1D
C760
0.1uF
16V
+24V
R739
47K
C731
22uF
16V
OPT
R736
22K
1/10W
1%
R744
1K
C759
10uF
6.3V
+3.3V_AVDD_MPLL
PWM_DIM
001:AF12
+3.3V_ST
C717
0.1uF
16V
R725
120K
OPT
C722
47uF
25V
+5V_GENERAL
C755
1uF
25V
+5V_GENERAL
R730
560
L715
CB3216PA501E
POWER_EN
001:AR30;007:B6;007:T18;007:T3;007:AG9;007:AO16
D703
100V
1N4148W_DIODES
OPT
C770
1uF
16V
L708
CB3216PA501E
L722
CB3216PA501E
C725
1uF
25V
OPT
R728
10K
OPT
Q704
2SC3052
E
B
C
R724
10
1/10W
1%
C719
0.1uF
50V
R703
0
+1.8V_MEMC
R722
75K
1/8W
1%
POWER_ON/OFF
001:AR31;010:AG9
+5V_ST
R771
0
R712
9.1K
1%
C766
OPT
Q703
2SC3052
E
B
C
C716
0.1uF
16V
C774
0.1uF
16V
R729
10K
C729
0.1uF
16V
L720
BLM18PG121SN1D
+1.26V_VDDC
R772
0
OPT
+5V_ST
C752
22uF
16V
+5V_ST
R767
300K
1/8W
1%
+5V_GENERAL
R773
0
OPT
R731
10K
1/10W
OPT
R765
100
OPT
C751
10uF
6.3V
A_DIM
001:AF12
+5V_GENERAL
C736
10uF
10V
+12V
22uF
C777
16V
R738
10K
1/10W
+12V
+5V_EXT
IC707
MP2212DN
3
IN
2
GND
4
BS
1
FB
5
VCC
6
SW_1
7
SW_2
8
EN/SYNC
+3.3V
IC708
APE8953MP
3
VOUT_1
2
FB
4
VOUT_2
1
GND
5
VIN
6
VCNTL
7
POK
8
EN
R775
0
OPT
R708
33K
OPT
+3.3V_ST
R705
10K
OPT
Q701
RT1P141C-T112
1
2
3
R717
3.3K
R774
100K
5%
R741
82K C794
560pF
50V
OPT
C795
1uF
10V
+5V_GENERAL
R755
10K
R1508 2K
POWER_ON_DELAY
R758
0
R757
0
R782
560pF
50V
OPT
R710
3.3K
C781
560pF
50V
OPT
R776
0
+5V_ST
R706
20K
L701-*1
0
RL_ON_RESISTER
C782
0.1uF
50V
C789
0.1uF
50V
C741
0.1uF
50V
C718
0.1uF
50V
R742
10
1%
R759
10
1%
R737
10
1%
R749
10
1%
+5V_EXT
Placed on SMD-TOP
Placed on SMD-TOP
Close to IC
Placed on SMD-TOP
+1.8V_MEMC for URSA DDR
Placed on SMD-TOP
Close to IC
PI Result
450 mA
415 mA @85% efficiency
R1
FROM LIPS & POWER B/D
R2
1.5mA
+1.8V for Saturn5 DDR
4.9A 0.0150OHM 34MHZ
3A, DCR=0.025 ohm
1600 mA
Replaced Part
C IN
R1
C OUT
A.DIM
Close to IC
Stand-by +3.3V
R1
Vout=0.8*(1+R1/R2)
35V/8.0PI
R1
+3.3V
+1.26 Core for URSA
C OUT
R1/R2 : 27K / 20K => Vout=1.88
Placed on SMD-TOP
About 1.84V
+1.26 Core for Saturn6
$0.24
MAX 3A
R1/R2 = 12K/20K => Vout=1.28
$0.07
Close to IC
400 mA + 600 mA
R2
R1
C IN
+1.8V for Audio AMP
Replaced Part
R2
Replaced Part
R2
R1/R2 : 12K / 9.1K => Vout=1.85
50 mA
Replaced Part
Close to IC
24V
$0.07
INV ON
Vout=0.8*(1+R1/R2)
Vout=0.8*(1+R1/R2)
4.9A 0.0150OHM 34MHZ
Placed on SMD-TOP
Close to IC
+5V_+12V
35V/8.0PI
R2
R1/R2 : 15K / 12K => Vout=1.80
$0.24
C1130
Err OUT
Placed on SMD-TOP
Placed on SMD-TOP
Close to IC
Replaced Part
465 mA @85% efficiency
Close to IC
Vout=0.8*(1+R1/R2)
Placed on SMD-TOP
08.11.19
Mstar(JUPITER)
15
POWER
4
AN SO YOUNG