Sharp LC-55LE541U, Service Manual

Page: 89 / 99

5
5
4
4
3
3
2
2
1
1
D D
C C
B B
A A
95
159
159
48
31 191
176
112 176
95
240
255 191
每階臨界值
240
255
112
每階中心值
ON Board Key pad
POWER MENU INPUT
CH+ CH- VOL+ VOL-
Tommy 20120327
KeyPad Order Change
Power MENU Input CH+ CH- VOL+ VOL-
20120816
Change 0402 to 0603
Change J1 from 1.25mm 5pin to 2.0mm 4pin
Add R15 R16 R18 R19 R20 R21 R22 R23 For E550i-A0
Vincent 20120926
Change 0603 to 0402
ADIN2
ADIN1
ADIN-1
ADIN-2
ADIN-1
ADIN-2
ADIN1
ADIN2
ADIN1
ADIN2
ADIN1
ADIN2
+5VSB
+5VSB
+5VSB
SW7
INPUT
1
4
3
2
R1 2K_F
V1
SCREW
CIR80-50
2 1
R4 1K
SW6
VOL-
1
4
3
2
R9 2K_F
J1
1R25_1X4ML
1
2
3
4
R23 0
SW2
MENU
1
4
3
2
R15 NC/0
R5 0
R20 NC/1K
R3 2K_F
SW3
CH+
1
4
3
2
R16 NC/0
R8 2K_F
C1
1uF/16V
0603C
R13
NC/47K
R6
NC/47K
SW1
POWER
1
4
3
2
R22 NC/0
R11 1K
R21 NC/2K_F
R2 2K_F
SW5
VOL+
1
4
3
2
R7 2K4
R19 NC/2K_F
SW4
CH-
1
4
3
2
R18
NC/1K
C2
0.01uF/16V
V2
SCREW
CIR80-50
2 1
R12 0
C3
0.01uF/16V
R10 2K_F