Document: After-sales Maintenance Service Manual No.: L32R63*VKE/L40R63*VKE/L43R63*VKE/L49R63*VKE Version: 1.0 Effective from: APRIL 4th, 2016
Page 43 of 49
XV. Circuit Diagram (49", 3in1 board)
DCDC_EN
FB
FB
BP
BP BP
+12V
+12V_NORMAL
+12V
+5V_Standby
+5V_Standby
+5V_Normal
+5V_Standby
AGND
VIN+
FPC=390V
VCC
VIN+
AC1
AC1
VREF
PGND
VOCP
+12V
LEDA1 LEDA2
AGND
PGND
PGND
VCC
VLED1
VREF
VB
LEDK
PWMO
PWM
AGND_ONLY
PWMO
VB
+12V_NORMAL
AGND
FPC=390V
LEDK
VREF
PWMO
PWMI
VLED1
PGND
VFB
PGND
LEDA1
VCC_PFC
PWMI
IFB_0.2V
IFB_0.2V
VOCP
VLED2
AGND
OVP_PFC
LEDA2
VCC_PFC
PGND
AGND
VFB
AGND
AGND_ONLY
VLED2
+12V
PWR_ON/OFF
5
PWR_ON/OF
F
5
VBL_CTR
L
5
BL-ADJUST
4
反馈电阻靠近
DCDC,
敏感线
,
远离干扰源
靠
近
DC-D
C
靠
近
DC-D
C
Vout=0.8V*(1+R1/R2)
DC/DC
R2
R1
12V TO 5V Power
5V MAX 3A
SOT23
TO MASTER CHIP
5V
"VBL_CTRL" IO
口为低电平时,背光关。
"VBL_CTRL" IO
口为高电平时,背光开。
PR96 2.2K
PR96 2.2K
PQ9
2907
PQ9
2907
1
3
2
PR75
100K
PR75
100K
PD18 1N4148
PD18 1N4148
+
PCA6
470uF/16V
+
PCA6
470uF/16V
PR2
51K
PR2
51K
PR10
1
3K
PR10
1
3K
!!
PT2
EE13
PT2
EE13
6
2
4
5
7
1
R2
1
10K
R2
1
10K
PRX
B
1M
PRX
B
1M
PD1
4
ES5G 5A400V
PD1
4
ES5G 5A400V
!!
PR17
560R
PR17
560R
PU5
MP4653
PU5
MP4653
SS
1
FSET
2
VO
CP
3
VFB
4
VC
OMP
5
ICO
MP
6
IFB
7
SSD
8
VLE
D4
9
VLE
D3
10
VLE
D2
11
VLE
D1
12
AD
IM
13
PW
M
14
VIN
15
PW
MO
UT
16
VC
C
17
GL
18
GN
D
19
GR
20
PR83 10K
PR83 10K
-
+
PD3
6A/600V
-
+
PD3
6A/600V
2
1
3
4
+
PEC7
10uF/250V
+
PEC7
10uF/250V
PD2
ES1J
PD2
ES1J
PC
8
1NF/200V
PC
8
1NF/200V
PR9
0
91K
PR9
0
91K
PR5 33K
PR5 33K
PD19 1N4148
PD19 1N4148
PQ6 7N65
PQ6 7N65
1
2
3
PC4
2
2.2uF/16V
PC4
2
2.2uF/16V
PQ2
2222
PQ2
2222
PR7
3
4R7
PR7
3
4R7
PCY4
471/400Vac
PCY4
471/400Vac
PC30
2.2nF/50V
PC30
2.2nF/50V
PQ5
FMV13N60S1
PQ5
FMV13N60S1
1
2
3
PCN1PCN1
3
3
1
1
PD7
SR5100L
PD7
SR5100L
!!
R301 10K
R301 10K
PU1
LNK6777
PU1
LNK6777
PD
1
S
7
CP
3
FB
2
BP
4
D
6
PU12
MP9495DJ
PU12
MP9495DJ
AAM
1
IN
2
SW
3
GN
D
4
BST
5
EN/SYNC
6
VCC
7
FB
8
PJ2
4PIN/2.54MM
PJ2
4PIN/2.54MM
1
2
3
4
+
CA9
470uF/16V
+
CA9
470uF/16V
C144
10uF
C144
10uF
PU4
FA5696
PU4
FA5696
FB
1
COMP
2
RT
3
OVP
4
IS
5
GN
D
6
OUT
7
VCC
8
PD20 18V
PD20 18V
PT4
EFD35
PT4
EFD35
2
8
1
11
9 10
PR34 68K
PR34 68K
PC5
1UF/25V
PC5
1UF/25V
+
PEC8
10uF/250V
+
PEC8
10uF/250V
PR8
7
91K
PR8
7
91K
PR44 0R22
PR44 0R22
PR33 0R91
PR33 0R91
+
PEC4
470uF/16V
+
PEC4
470uF/16V
PR9
3
0R33
PR9
3
0R33
PR103
10K
PR103
10K
PR23 10R
PR23 10R
PQ1 NC
PQ1 NC
1
3
2
PR6
4
820K
PR6
4
820K
PL1
0805_BEAD
PL1
0805_BEAD
PR14
560R
PR14
560R
PR2
5
3.3K
PR2
5
3.3K
PR43 0R22
PR43 0R22
PR63 16K
PR63 16K
PC49
0.1UF/25V
PC49
0.1UF/25V
PR7
8
47R
PR7
8
47R
PR16
560R
PR16
560R
PC7
0.47UF/50V/NC
PC7
0.47UF/50V/NC
PQ8 AOD4504
PQ8 AOD4504
1
2
3
PQ7 7N65
PQ7 7N65
1
2
3
PR3
6
47R
PR3
6
47R
PD6
SR5100L
PD6
SR5100L
PJ1
散热片
(90*29*9
.0
mm
)
PJ1
散热片
(90*29*9
.0
mm
)
1 2 3
PR56 100k
PR56 100k
PR102
90.9K
PR102
90.9K
!!
PQ112
ME2325
PQ112
ME2325
1
3
2
PR4
0
220R
PR4
0
220R
!!
!!
PC909 1uf
PC909 1uf
!!
PR2
6
390K
PR2
6
390K
PD22 1N4148
PD22 1N4148
PC2
9
100PF
PC2
9
100PF
PC45
1nF/50V
PC45
1nF/50V
PC17
10uF/16V
PC17
10uF/16V
PR81 10K
PR81 10K
PR9
2
0R33
PR9
2
0R33
PC165 0.22uf
PC165 0.22uf
PD21 18V
PD21 18V
PQ3
2222
PQ3
2222
PR76
100K
PR76
100K
PC31
0.1uF/50V
PC31
0.1uF/50V
PR11 10R
PR11 10R
PC27
0.47uF/16V
PC27
0.47uF/16V
PF1
T3.15AL/AH 250Vac
PF1
T3.15AL/AH 250Vac
PC2
3
0.47uF/450V
PC2
3
0.47uF/450V
PC36
220nF/50V
PC36
220nF/50V
Q904
ME2325
Q904
ME2325
1
3
2
PD1
3
ES5G 5A400V
PD1
3
ES5G 5A400V
PD9
SF58
PD9
SF58
PR66 51.1K
PR66 51.1K
PR7
2
4R7
PR7
2
4R7
C140
0.1uF
C140
0.1uF
PR24 12K 1%
PR24 12K 1%
PR30 10K
PR30 10K
PC6
0.1uF
PC6
0.1uF
PR4
2
56K 1%
PR4
2
56K 1%
+
PEC3
470uF/16V
+
PEC3
470uF/16V
PQ4 2907
PQ4 2907
1
3
2
PC71
10uF/16V
PC71
10uF/16V
PR5
7
10R
PR5
7
10R
PR2
7
620K
PR2
7
620K
PC34 100PF/50V
PC34 100PF/50V
PU2B
PC817C
PU2B
PC817C
2
1
PR
4
10R
PR
4
10R
PR
7
47
Ω
PR
7
47
Ω
PC46
1nF/50V
PC46
1nF/50V
+
PEC5
100uF/450V
+
PEC5
100uF/450V
PR19 10K
PR19 10K
Q3
3904
Q3
3904
1
2
3
PL
8
4.7uH/3A
PL
8
4.7uH/3A
1
2
PC4
4
1uF/450V
PC4
4
1uF/450V
PVR
2
PVR10561
PVR
2
PVR10561
PR4
6
33K
PR4
6
33K
PD25 11V
PD25 11V
PD24 18V
PD24 18V
PR4
1
10K
PR4
1
10K
PR6
47
Ω
PR6
47
Ω
PR8
0
NC
PR8
0
NC
PR228
10K
PR228
10K
PQ10
2222
PQ10
2222
PR49 820K
PR49 820K
PC3
100PF/50V
PC3
100PF/50V
PR10 1M/NC
PR10 1M/NC
PQ11
2222
PQ11
2222
+
PEC1
47uF/50V
+
PEC1
47uF/50V
PC9
22PF/1kV
PC9
22PF/1kV
PT1A
EQ25
PT1A
EQ25
3
1
8
10 11
9
PR95 2.2K
PR95 2.2K
PT5
250uH
PT5
250uH
4
2
3
5
PR55
5.6K
PR55
5.6K
PQ103
MMBT3904
PQ103
MMBT3904
PR77
100K
PR77
100K
PC72
0.1uF
PC72
0.1uF
PCY2 471/400Vac
PCY2 471/400Vac
PR100 20K
PR100 20K
PR3
5
470R
PR3
5
470R
PR7
9
10R
PR7
9
10R
PC37
1nF/50V
PC37
1nF/50V
PR9
9
2K
PR9
9
2K
PR6
0
36.5K
PR6
0
36.5K
PL7 30uH
PL7 30uH
1
2
PCX1
0.33UF/275V
PCX1
0.33UF/275V
PR8
4
10R
PR8
4
10R
PC39
NC
PC39
NC
PR4
7
47R
PR4
7
47R
PC51
0.1uF
PC51
0.1uF
!!
PR67 15K
PR67 15K
PRX
A
1M
PRX
A
1M
PR3
51K
PR3
51K
PVR
1
PVR10561
PVR
1
PVR10561
PR5
9
100K
PR5
9
100K
PR8
9
91K
PR8
9
91K
PC52 1nF/50V
PC52 1nF/50V
!!
PRX
D
1M
PRX
D
1M
!!
PR68 15K
PR68 15K
PC2
10NF/50V
PC2
10NF/50V
PR45 4.7K
PR45 4.7K
PD8
SR5100L
PD8
SR5100L
PU2A
PC817C
PU2A
PC817C
4
3
PR31 1K
PR31 1K
PRX
C
1M
PRX
C
1M
C141
10uF
C141
10uF
PC48
0R
PC48
0R
PR48 16K
PR48 16K
PR37 10R
PR37 10R
PR6
5
820K
PR6
5
820K
PC25
10nF/50V
PC25
10nF/50V
PR12 1M/NC
PR12 1M/NC
PD12 ES5G 5A400V
PD12 ES5G 5A400V
PCY3 221/400Vac
PCY3 221/400Vac
PC1
0.47UF/16V
PC1
0.47UF/16V
PC41
1nF/50V
PC41
1nF/50V
PR227
100K
PR227
100K
PR20 10K
PR20 10K
PD
1
RS07M
PD
1
RS07M
PCY1 471/400VacPCY1471/400Vac
PD
5
ES1J/NC
PD
5
ES1J/NC
PR8
6
2K
PR8
6
2K
!!
t
PNTC
1
2.5
Ω
/6A
t
PNTC
1
2.5
Ω
/6A
R1
1
4.7K
R1
1
4.7K
PC74
0.1uF
PC74
0.1uF
PD10
SF58
PD10
SF58
PR198 4.7K
PR198 4.7K
PR7
4
10K
PR7
4
10K
!!
PR53
10K
PR53
10K
!!
PR29 220R
PR29 220R
PC35
1uF/25V
PC35
1uF/25V
PC26
0.47uF/16V
PC26
0.47uF/16V
PR38 0R91
PR38 0R91
PR8
2
47R
PR8
2
47R
PD11 ES5G 5A400V
PD11 ES5G 5A400V
!!
PD23 1N4148
PD23 1N4148
PD4
RS07M/NC
PD4
RS07M/NC
PR18 10K 1%
PR18 10K 1%
!!
!!
PR
1
220R
PR
1
220R
R943
100K
R943
100K
PR54 820K
PR54 820K
PR8
8
91K
PR8
8
91K
PQ12 NC
PQ12 NC
1
3
2
PC22
470PF/1KV
PC22
470PF/1KV
PR70 5.6K
PR70 5.6K
PC32 1nF/50V
PC32 1nF/50V
C137
0.1uF
C137
0.1uF
PR8
NC
PR8
NC
+
PEC2
470uF/16V
+
PEC2
470uF/16V
PC4
3
6.8nF/630V
PC4
3
6.8nF/630V
PR22 160K
PR22 160K
PR39 0R91
PR39 0R91
PR21 10K
PR21 10K
PL2
>=15mH
PL2
>=15mH
4
3
2
1
PC38
0R
PC38
0R
PR5
1
820K
PR5
1
820K
PR69 10R
PR69 10R
PC40
1uF/25V
PC40
1uF/25V
PC4
1nF/200V
PC4
1nF/200V
PR9
390K/NC
PR9
390K/NC
PR71 10K
PR71 10K
PC33
10nF/50V
PC33
10nF/50V
PR8
5
NC
PR8
5
NC
PR9
1
0R33
PR9
1
0R33
PC73 0.1uF
PC73 0.1uF
PR9
7
0R
PR9
7
0R
PR32 68K
PR32 68K
PR58 6.8K
PR58 6.8K
PL4
0805_BEAD
PL4
0805_BEAD
PC47
1nF
PC47
1nF
PL3
>=8mH
PL3
>=8mH
4
3
2
1
PR5
0
820K
PR5
0
820K
PR13
560R
PR13
560R
PT1B
EQ25
PT1B
EQ25
6
5
PR15 100R
PR15 100R
PR52
33K
PR52
33K
PC2
4
1UF/450V
PC2
4
1UF/450V
PR98 330R
PR98 330R
PR9
4
0R33
PR9
4
0R33
PR2
8
0R
PR2
8
0R
PD26
1N4148
PD26
1N4148
L32R63_VKE,L40R63_VKE,L43R63_VKE,L49R63_VKE_CIS_Russia.indd 43
2016-04-05 오전 11:01:10