TCL L28D2710PSA, Руководство по обслуживанию

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1
1
2
2
3
3
4
4
D D
C C
B B
A A
SK1
轻触开关
,Tact Switch,160¡À50gf,7.0¡Á10.3¡Á7.0m m,DIP,KFC-A06-E-4-7.5/4(R),YK
RK7
1Kohm-0402-¡À5% -1/16W
GND
SK2
轻触开关
,Tact Switch,160¡À50gf,7.0¡Á10.3¡Á7.0m m,DIP,KFC-A06-E-4-7.5/4(R),YK
GND
SK3
轻触开关
,Tact Switch,160¡À50gf,7.0¡Á10.3¡Á7.0m m,DIP,KFC-A06-E-4-7.5/4(R),YK
GND
SK4
轻触开关
,Tact Switch,160¡À50gf,7.0¡Á10.3¡Á7.0m m,DIP,KFC-A06-E-4-7.5/4(R),YK
SK5
轻触开关
,Tact Switch,160¡À50gf,7.0¡Á10.3¡Á7.0m m,DIP,KFC-A06-E-4-7.5/4(R),YK
RK14
0ohm-0402-¡À5% -1/16W
RK11
47Kohm-0402-¡À5% -1/16W
RK15
4K7ohm-0402-¡À5% -1/16W
CK5
0.01uF-0402-X7R-¡À10% -50V
GND
3V3_STB
RK9
1Kohm-0402-¡À5% -1/16W
RK10
1Kohm-0402-¡À5% -1/16W
RK17
1Kohm-0402-¡À5% -1/16W
GND
RK3
3K3ohm-0402-¡À5% -1/16W
3V3_STB
CK1
0.1uF-0402-X5R-¡À20% -16V
GND
A
K
DK1
NC/ULCE0505A015FR
GND
KEYA
QK1
LMBT3904LT1G
GND
RK8
NC/4K7ohm-0402-¡À5% -1/16W
RK4
4K7ohm-0402-¡À5% -1/16W
RK2
2K2ohm-0402-¡À5% -1/16W
RK1
2K2ohm-0402-¡À5% -1/16W
3V3_STB
IF-AGC-SEL
POW_EN
(0.00V)
(0.47V)
(0.94V)
(1.41V)
(1.89V)
GND
GND
GND GND
GND GND
GND
1
2
3
4
CN4
NC/
红外接收三极管
,Phototransistor,NPN,6.8¡Á3¡Á3.2m m,SMD,HS75438D,VISHAY
GND
Vs
IR_Out
GND
RK13
100ohm-0402-¡À5% -1/16W
RK12
100ohm-0402-¡À5% -1/16W
A
K
DK3
NC/AVLC18S02003
CK4
0.1uF-0402-X5R-¡À20% -16V
CK3
1uF-0402-X5R-¡À20% -6.3V
GND
CK2
NC/22pF-0402-NPO-¡À5% -50V
GND
IRIN
3V3_STB
RK6
4K7ohm-0402-¡À5% -1/16W
3V3_STB
GND
DK2
发光二极管
,Single LED,RED,25mA,28mcd,638nm,1.9V,φ3.85¡Á5.4m m,DIP,HL
QK2
LMBT3904LT1G
CK6
1uF-0402-X5R-¡À20% -6.3V
RK16
1K2ohm-0402-¡À5% -1/16W
3V3_STB
GND
GND
POWER
CH-
CH+
VOL-
VOL+
1
2
3
4
CN3
红外接收三极管
,Phototransistor,NPN,6.8¡Á3¡Á3.2m m,SMD,HS75438D,VISHAY
KEY
TEST
VOL+
TEST
VOL-
TEST
CH+
TEST
CH-
TEST
POWER
TEST
IR
TEST
LED
TEST