TCL 28D2900, Service Manual

Page: 18 / 28

1
1
2
2
3
3
4
4
5
5
6
6
D D
C C
B B
A A
PVCC VCC_PANEL
QM2
KMBT3904
RM1
4K7ohm-0402-±5%-1/16W
RM3
10Kohm-0402-±5%-1/16W
GND
GND
R5V
NC/0ohm-0805-±5%-1/8W
QM4
KMBT3904
RM5
4K7ohm-0402-±5%-1/16W
RM7
10Kohm-0402-±5%-1/16W
QM3
WPM2341A-3/TR
RM6
100Kohm-0402-±5%-1/16W
GND
5V_M
GND
GND
CD16
10uF-0603-X5R-±20%-6.3V
5V_STB 3V3_STB
VI
3
VO
2
A
D
J
1
VO
4
UD3
LC1117CLTR33
GND
CD18
NC/10uF-0603-X5R-±20%-6.3V
CD20
10uF-0603-X5R-±20%-6.3V
VI
3
VO
2
A
D
J
1
VO
4
UD4
LC1117CLTR33
3V3_M 5V_M
1V5_DDR 5V_M
VI
3
VO
2
A
D
J
1
VO
4
UD5
LC1117CLTRAD
RD16
100ohm-0402-±1%-1/16W
CD28
NC/10uF-0603-X5R-±20%-6.3V
CD24
10uF-0603-X5R-±20%-6.3V GND
GND
GND
CD25
10uF-0603-X5R-±20%-6.3V
RD13
470ohm-0402-±1%-1/16W
RD6
100ohm-0402-±5%-1/16W
PANEL_EN
5V_STB PVCC
5V_STB
GND
GND
1V0_M_EN
BL_ADJ
GND GND
PWM0
RD14
4K7ohm-0402-±5%-1/16W
RD10
510ohm-0402-±5%-1/16W
RD11
510ohm-0402-±5%-1/16W
RD15
4K7ohm-0402-±5%-1/16W
GND
POW_EN
PWM_DIM
BL_ON
CM1
NC/10uF-0805-X5R-±20%-16V
5V_STB
CD6
0.1uF-0402-X5R-±20%-16V
GND
RD5
100Kohm-0402-±5%-1/16W
+5V
TEST
GND
CD7
NC/10uF-0805-X5R-±20%-16V
GND
CD4
NC/10uF-0603-X5R-±20%-6.3V
12V
LD1
功率电感
,Power Inductor,4.7uH,±20%,2.8A,0.35×1P,DR5.8×4.5,SMD,CD54-4.7uH,wenshan
CD8
1uF-0402-X5R-±20%-16V
CD1
0.1uF-0402-X5R-±20%-16V
CD3
NC/22pF-0402-NPO-±5%-50V
RD3
47Kohm-0402-±1%-1/16W
RD7
6K2ohm-0402-±1%-1/16W
RD1
0ohm-0402-±5%-1/16W
4.5V~18V INPUT
VFB = 0.6V
500KHZ
EN
4
GND
2
LX
6
IN
5
FB
3
BS
1
UD1
SYH113ADC
GND
CD5
10uF-0805-X5R-±20%-16V
1V0_M
CD12
0.1uF-0402-X5R-±20%-16V
GND
+1V
TEST
GND
CD13
10uF-0805-X5R-±20%-16V
GND
CD10
10uF-0603-X5R-±20%-6.3V
12V
LD2
功率电感
,Power Inductor,4.7uH,±20%,2.8A,0.35×1P,DR5.8×4.5,SMD,CD54-4.7uH,wenshan
CD14
1uF-0402-X5R-±20%-16V
CD2
0.1uF-0402-X5R-±20%-16V
CD9
NC/22pF-0402-NPO-±5%-50V
RD2
0ohm-0402-±5%-1/16W
4.5V~18V INPUT
VFB = 0.6V
500KHZ
EN
4
GND
2
LX
6
IN
5
FB
3
BS
1
UD2
SYH112ADC
GND
CD11
10uF-0805-X5R-±20%-16V
R12V
0ohm-0805-±5%-1/8W
12V PVCC
CD37
NC/10uF-0805-X5R-±20%-16V
CD36
10uF-0805-X5R-±20%-16V
CD21
0.1uF-0402-X5R-±20%-16V
CD19
0.1uF-0402-X5R-±20%-16V
CD17
0.1uF-0402-X5R-±20%-16V
CD22
0.1uF-0402-X5R-±20%-16V
CD23
0.1uF-0402-X5R-±20%-16V
CD29
0.1uF-0402-X5R-±20%-16V
CM5
0.1uF-0402-X5R-±20%-16V
RM2
47Kohm-0402-±5%-1/16W
RD8
6K04ohm-0402-±1%-1/16W
RD4
4K7ohm-0402-±1%-1/16W
CD49
1uF-0402-X5R-±20%-6.3V
D
G
S
QM1
ME2325-G
QM8
KMBT3904
RM13
10Kohm-0402-±5%-1/16W RM8
4K7ohm-0402-±5%-1/16W
GND
1V0_M_EN
+
ED1
470uF-10V-±20%-6.3×11-105
℃
-
黑底白字
-
编带
-F=2.5-XF
CD27
NC/1000pF-0402-X7R-±10%-50V
CD26
NC/47pF-0402-X7R-±10%-50V
RD9
510ohm-0402-±5%-1/16W
RD12
4K7ohm-0402-±5%-1/16W
CD30
NC/47pF-0402-X7R-±10%-50V
BL_ADIM ADIM