Skyworth 8M26S, Service Manual

Page: 50 / 57

5 5
4 4
3 3
2 2
1 1
D
D
C
C
B
B
A
A
BL-ADJUST
VBL_CTRL
PANEL_ON
BRI_ADJ-PWM0
BL-ADJUST BL-ON/OFF STANDBY
STANDBYSTANDBY
+11111111112V_ONLY
U50-5
PANEL_ON/OFF
+5V_5V_5V_5V_Standby
STANDBYSTANDBY
+1112V_ONLY
U50-3
BL-ON/OFF
STANDBY
+12V_NORMAL
+5V_Normal
U50-3
U50-5
+1.2V_VDDC
BL-ON/OFFBL-ON/OFFBL-ON/OFFBL-ON/OFFBL-ON/OFF
+5V_Normal
+5V_Standby
+3.3V_Standby
+5V_Normal
+3.3V_Normal
+5V_Normal
+2.5V_Normal
40V
+1.2V_VDDC
+5V
+12V_NORMAL
VCC-Panel
+5V_Standby +12V_ONLY +5V_Normal
+3.3V_Standby
+5V_Standby
+12V_NORMAL
+5V
+12V_NORMAL
+5V_Normal
+5V_Normal
+5V
+5V
+5V_Standby
PWR-ON/OFF
VBL_CTRL
BRI_ADJ-PWM0
Tuner+40V_PWM2
PANEL_ON/OFF
Title Size
Document Number
Rev
Date:
Sheet
of
SYSTEM_POWER
V1.0
MST6M181VS
<OrgName>
A3
11
0
Friday, August 03, 2012
Title Size
Document Number
Rev
Date:
Sheet
of
SYSTEM_POWER
V1.0
MST6M181VS
<OrgName>
A3
11
0
Friday, August 03, 2012
Title Size
Document Number
Rev
Date:
Sheet
of
SYSTEM_POWER
V1.0
MST6M181VS
<OrgName>
A3
11
0
Friday, August 03, 2012
WARNING !!!
600mA
PM GPIO
IO
⫼ϟᢝ⬉䰏ˈֱ䆕ᯊᑣ
100mA
50mA
300mA
nearest to MST6M181 PIN
20110108 BY LIN
C46
ᇕ㺙乘⬭໻ϔ⚍DŽ
Vout=0.923*(1.91K+4.7K)/4.7K=1.3V Vout=0.923*(22K+4.7K)/4.7K=5.2V
Vout=1.25*(1+180/180)=2.5V
By lin. 20110421
By lin.20110426
Vout=1.25*(1+R60/R56)
C11 NC/0.1u C11 NC/0.1u
C1 0.1uF C1 0.1uF
U50 E3482 U50 E3482
EN
7
FB
5
VCC
2
OUT
3
BST
1
GND
4
SS
8
COMP
6
+
CA16
470uF/16V
+
CA16
470uF/16V
C15 10nF C15 10nF
+
CA104
NC/470uF/16V
+
CA104
NC/470uF/16V
+
CA18
470uF/16V
+
CA18
470uF/16V
C54 0.1u C54 0.1u
R21
NC/4.7K
R21
NC/4.7K
U6 AS5406 U6 AS5406
IN
4
GND
2
FB
5
BS
3
EN
1
ADJ
OUT
IN
U23
AMS1117-3.3
ADJ
OUT
IN
U23
AMS1117-3.3 3
2
1
4
+
CA15 100uF/16V
+
CA15 100uF/16V
H20 NC H20 NC
1
R50
0
R50
0
U49 E3482 U49 E3482
EN
7
FB
5
VCC
2
OUT
3
BST
1
GND
4
SS
8
COMP
6
C17 0.1uF C17 0.1uF
ADJ
OUT
IN
U20
AMS1117-3.3
ADJ
OUT
IN
U20
AMS1117-3.3 3
2
1
4
C29
NC/22pF
C29
NC/22pF
R56
NC/180_1%
R56
NC/180_1%
R14 NC/100K R14 NC/100K
R40
4.7K
R40
4.7K
R22
NC/0
R22
NC/0
Q44 2SC1815 Q44 2SC1815
R62
100_1%
R62
100_1%
C114 0.1uF C114 0.1uF
C18 10nF C18 10nF
L115
220uH
L115
220uH
R5
NC/0
R5
NC/0
C66 0.1u C66 0.1u
C53 1nF C53 1nF
C162 0.1u C162 0.1u
+
CA106 100uF16V
+
CA106 100uF16V
H2
NC
H2
NC
1
2 3 4 5
6 7 8 9
R58
NC/10K
R58
NC/10K
C121 0.1uF C121 0.1uF
Q26
3904
Q26
3904
1
2 3
C390 2.2u C390 2.2u
R42
100K
R42
100K
C47 0.1u C47 0.1u
R15 NC/10K R15 NC/10K
C49
NC/1nF
C49
NC/1nF
Q1 3904 Q1 3904
1
2 3
R3
150K
R3
150K
R340
200R
R340
200R
H1
NC
H1
NC
1
2 3 4 5
6 7 8 9
Q47 M2345 Q47 M2345
C385 2.2u C385 2.2u
R51
NC/0
R51
NC/0
+
CA119 100uF16V
+
CA119 100uF16V
R17
4.7K
R17
4.7K
R2 100K R2 100K
R52
100K
R52
100K
R41
1K
R41
1K
C381 10uF C381 10uF
R44
NC/10K
R44
NC/10K
R49
NC/0
R49
NC/0
Q6 NC/3904 Q6 NC/3904
1
2 3
R47 10K R47 10K
P10P10
3
2
1
SHIELD
SHIELD-6
SHIELD
SHIELD-6
GND
1
GND
2
GND
3
GND
4
GND
5
GND
6
R4
0
R4
0
R61
10R
R61
10R
ADJ
OUT
IN
U27
AMS1117-25
ADJ
OUT
IN
U27
AMS1117-25 3
2
1
4
C19 NC/0.1u C19 NC/0.1u
R35
4.7K
R35
4.7K
R54
NC/1K
R54
NC/1K
C12 3.3nF C12 3.3nF C14 3.3nF C14 3.3nF
R60
0R/180_1%
R60
0R/180_1%
R23 4.7K R23 4.7K
D31
1N4148
D31
1N4148
H7
NC
H7
NC
1
C163 10uF C163 10uF
L40
BEAD/22uH/DIP
L40
BEAD/22uH/DIP
C28 NC/4.7uF C28 NC/4.7uF
Q53 NC/M2345 Q53 NC/M2345
R25 2.2K R25 2.2K R30 2.2K R30 2.2K
C67 0.1u C67 0.1u
C386 2.2u C386 2.2u
C59 0.1u C59 0.1u
R20 NC/100K R20 NC/100K
C27 NC/10nF C27 NC/10nF
C388 2.2u C388 2.2u
+
CA25
2.2uF/50V
+
CA25
2.2uF/50V
C6 0.1uF C6 0.1uF
R43
200R
R43
200R
Q27
3904
Q27
3904
1
2 3
R45
1K
R45
1K
H3
NC
H3
NC
1
2 3 4 5
6 7 8 9
+
CA48
100uF/16V
+
CA48
100uF/16V
+
CA51
100uF/16V
+
CA51
100uF/16V
C175 0.1u C175 0.1u
R24
NC/4.7K
R24
NC/4.7K
L47L47
CN10
CON10-2.0mm CON2.0_14
CN10
CON10-2.0mm CON2.0_14
1 2 3 4 5 6 7 8 9 10 11 12 13 14
+
CA105
NC/470uF/16V
+
CA105
NC/470uF/16V
Q4 NC/3904 Q4 NC/3904
1
2 3
H4
NC
H4
NC
1
2 3 4 5
6 7 8 9
C13 0.1uF C13 0.1uF
C2 0.1uF C2 0.1uF
H8
NC
H8
NC
1
R55 4.7K_1% R55 4.7K_1% R46 22K_1% R46 22K_1%
R111 10K R111 10K
R27 NC/100K R27 NC/100K
H9
NC
H9
NC
1
Q51 NC/M2345 Q51 NC/M2345
C51 0.1u C51 0.1u
R67
4.7K
R67
4.7K
C391 2.2u C391 2.2u
R48 4.7K_1% R48 4.7K_1%
R57
1.91K_1%
R57
1.91K_1%
C46 NC/2.2uF C46 NC/2.2uF