TCL L55E5800UDS Service Manual page 26

8 7
14Pin DC Power Port
3D_CTRL 12V
3D_EN_1
12V
12V
T
12V 12V
R070
3D_CTRL
GND GND 220R
F
DIM_DC 3.3VSB
C092
POWER_ON R071
GND 1000P
10K
BL_ON DIM_PWM GND_DC
POWER_ON
DIM_DC
T
T BL_ON
Must controlled by PWM T
GND GND
R072
A_DIM
3V3SB
220R
POWER_ON
R073
BL_ON_OUT R075
BL_ON
10K
220R
C087 C088
R076
R074
10K 0.01U
2K2 0.01U
GND
R079
GND
POWER_ON_OUT
220R
GND
E
5pin IR&Key Port
3V3SB
GND3 KEY
T T
LED IR
3V3SB
T T R052
T
10K
L003
3V3SB
220R
3V3SB
PESD5V0S1BL
1
R060 2
IR_IN
470R
2
R007
NC LOGO_OUT R015
1K
3 4K7
R020
LED_OUT
1K
4
KEY R014
5
P003
D
F001
GND4
T KEY1
GND
T GND
P002
Without via on net KEY_IN
The distance between different net via>2mm
1
2
F002
GND
GND
C
3D Switch Control Circuit
3D_PWM
T
P103
GND_3D_DIM
4
T
3
R124
3D_DIM
10R R828 Q802
2 3D_PWM C
470R BT3904
NC B
1
3D_DIM
3D_DIM
E
R816
4K7
NC
3D_DIM
GND
R815
C
4K7
3D_DIM_SW
B
3D_DIM
E
Q801
BT3904
3D_DIM
GND
B
12V to 1.5V DC-DC circuit
LDI1
2.2UH
UDI1
1 8 Vref=0.8V
TTH FB
(Vin=4.5V-17V)
2 7
12V_M
VIN PVCC
3 6
CDI9
CDI0 CDI1 SW EN/SYNC
4 5
10U
10U 0.1U RDI0
GND BOOT
NC
100K
NC RT7296A
GND
RDI2
CDI3
10R
0.1U
GND
RDI7
POWER_ON_OUT
3K3
A
Fsw=500KHz
CDI2
RDI1
47K
0.1U
GND
6
12V 12V_1
12V
T
T
L010
220R
AMP_VCC
L011
220R 12V_M
P001
C099
C093
2 1
470U
0.01U
4 3
16V
USE CONDITION DC=12V
T
6 5
3V3SB_1
T
L017
8 7
120R
3V3SB
10 9
DIM
T
12 11
R077
P_DIM DIM_OUT
220R
14 13
C090 C091
R078
0.1U 0.01U
10K
GND
GND
D001
1
NC
GND
R069
VID1
4K7
KEY_IN
22K
C007
0.1U
GND
R009
POWER_ON_OUT
3K3
C006
0.1U
(Vin=5V-24V)
GND
12V_M
CDB0 CDB1
10U
10U
3D_DIMMING
3D_DIMMING
GND
R817
10R
3D_DIM
3D_DIM
Core Power
Q803
BT3904
R825
E
0R 3D_DIM
NC
B
C
R829
470R
3D_DIM
DIM_OUT
1V5_DDR2
T
max3A
1V5_DDR
CDI5
RDI4
30K
CDIA CDI6 CDI7
22P CDI8
NC 22U
RDI3
NC
22U 22U 0.1U
82K
RDI5
30K
CDI4
GND
0.1U
RDI6
4K22
GND
GND
5 4
12V to 5V DC-DC circuit(standard MP2905 circuit)
(Vin=3V-28V)
12V_M
CD80 CD81 CD82
10U 10U
REF
SS
GND
POWER_ON_OUT
R012
10K
SS
R010
Q002
10K
2N7002K CD83 RD83 CD84
C
1K2
6800P 0.01U
B
C009
1000P
E
Q003
R011
BT3904
10K
GND
Change RD85 and CD83 to adjust Fsw, Set Fsw=500kHZ
GND
Change RD80 to adjust OCP,Set OCP=7.6A
12V to 1.15V DC-DC circuit
R067
33K
33K
R068
Q001
2N7002K
RDB1 RDB2
RDB6 51K 56K
10K
Vref=0.6V
CDB4
GND
1U
CDB5 RDB3
0.22U
470R
RDB9 CDBD
RDB0
RDB4
220P
47K 100K
RDB5 1M
NC
4R7
LDB0
1UH
1 9
VIN U008 SW2
CDB2
15 MP8765 16 CDB7
SW3 SW4
0.1U
22U
CDBC
2 8
220P
PGND SW1
NC
10R
RDB7
NC
GND
RDBA
0R
Fixed Fsw=500KHZ
NC
CDB3
Fixed OCP=7.5A
0.1U
GND
12V to 3.3V DC-DC circuit
RDG1
100K
3V3SB
UDG1 TPS560200
(Vin=4.5V-17V) LDG1
10UH
12V_M
VIN PH
4 3
3V3SB
CDG2
CDG1
GND
10U 0.1U 2
3V3SB
3V3SB
GND
VSENSE EN
5 1
Vref=0.8V
GND
Fsw=600KHz
3V3SB CDG7
RDG2 RDG5
0.01U
15K
47K
3V3SB
3V3SB
3V3SB
GND
GND
3
If Input Voltage=24V,CD80/CD81=2.2uF/50V,RD85=47K,CD8A=1000P,RD88=6R8
If Input Voltage=12V,CD80/CD81=10uF/16V, RD85=36K,CD8A=3900P,RD88=2R2
Vref=0.59V
0.1U
RD85
36K
RD80
UD80
4K7
1 10 CD86 0.01U
FB ILIM
QD80
CD88
2 9
1 8 1U
SS IN
D1A
S1
RD81 6R8
REF 3 8
2 7
REF HG
G1 D1B
4 7
3 6
CD85 GND SW
S2 D2A
5 6
CD87 0.1U 4 5
2U2
LG BST
G2 D2B
MP2905 A04832
6R8
RD82
10K
RD8B
GND
GND
Changed by Frank/20140929
5V to 2.5V LDO circuit
LDO
5V
U002
AS1117-2.5
C021 C019
10U
0.1U
VDDC1V15
T
VDDC1V15 5V to 3.3V LDO circuit
@max5A
CDB8 CDB9 CDBA CDBB
22U 22U 22U
0.1U
5V
U003
GND AS1117-3.3
C061 C023
0.1U
10U
3V3SB
@max0.5A
CDG3
CDG4 CDG5
10U
CDG6 10U 0.1U
RDG4 3V3SB
3V3SB
33P 3V3SB
47K
NC 3V3SB
GND
2 1
F
CD89
RD84
150P
9K1
5V
T
LD80
6.8UH
5V
@max5A
CD8B CD8C CD8E
CD8D
0.1U
CD8A 10U 10U 10U
3900P
RD86
2R2
GND
E
2V5
2V5
T
D
@max 320mA
C008
10U
GND
3V3
C
T
3V3
C025
10U
GND
B
TCL
A
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5TH FLOOR.TCL BUILDING.SOUTH NANHAI ROAD
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