Skyworth 8M39A/E, Руководство по обслуживанию

Страница: 27 / 39

5 5
4 4
3 3
2 2
1 1
D
D
C
C
B
B
A
A
PB-ON/OFF VCC-PL
PB-ADJUST
#MOSFET_ON
PW-ON/OFF
PB-ON/OFF PB-ADJUST
PW-ON/OFF
2.5VA
5VA 12VA
5VA
VCC-PL
5VU
12VU
5VU
VCC-Panel
3.3VA
1.32V
2.5VA
5VA
3.3VA
3.3VA
1.8VA
5VU
5VA
5VA
12VU
5VU 12VA 3.3VU 3.3VA 2.5VA
1.8VA 1.32V 5V_USB
VCC-PL
VCC-Panel 12VUE
5V_TUNER
12VU
12VA
12VUE
12VU
12VU
1.32V
12VU
3.3VU
5VU
3.3VA
5VA
1.8VA
5VA
3.3VU
1.8VA
3.3VU
ON_PBACK
2
ON_PANEL
2
ADJ-PWM
2
IR_IN
2
DVDIR_EN
2
DVD_TX
2
DVD_RX
2
PWR-ON/OFF
2
Title Size
Document Number
Rev
Date:
Sheet
1.0
POWER
11
0
Monday, November 23, 2009
Title Size
Document Number
Rev
Date:
Sheet
1.0
POWER
11
0
Monday, November 23, 2009
Title Size
Document Number
Rev
Date:
Sheet
1.0
POWER
11
0
Monday, November 23, 2009
MST Power supply
L:ON H:OFF
DVD Power Interface
1100mA
5V DC-DC
Low ESR
PANEL POWER
Power Input
Inverter Interface
Note: Left C255 NC, R16 change to 100ohm if want to output PWM puls
Power Test Point
R18 only for 3.3V PWM output
L:ON H:OFF
H:ON L:OFF
Close to 3.3V LDO output
1.32V DC-DC
Low ESR
380mA 150mA 230mA 110mA
230mA(DDR2/PCS)
U37
䴴䖥
CA16
ᬒ㕂
䴴
U49
ᬒ㕂
䴴
U50
ᬒ㕂
4A
R384 4.7K R384 4.7K
R69
1k
R69
1k
R426
1K
R426
1K
TP9TP9
1
R319 1k R319 1k
TP16TP16
1
C377 0.1u C377 0.1u
C429 0.1u C429 0.1u
R17
1k
R17
1k
R119 10k R119 10k
R27
1K
R27
1K
R29 4.7k R29 4.7k
C400 0.1u C400 0.1u
TP6TP6
1
TP5TP5
1
C11 1n C11 1n
R49 10K R49 10K
TP4TP4
1
R19 10K R19 10K
TP7TP7
1
TP8TP8
1
TP11TP11
1
R77 4.7K R77 4.7K
R37
100k
R37
100k
CON2
CON6-2.0mm
CON2
CON6-2.0mm
1 2 3 4 5 6
R430
100R
R430
100R
C393 NC/0.1u C393 NC/0.1u
CON5CON5
1
2
3
ADJ
OUT
IN
U37
AMS1117-3.3
ADJ
OUT
IN
U37
AMS1117-3.3
3
2
1
4
R67
NC
R67
NC
R357 100K R357 100K
C394 0.1u C394 0.1u
R66
NC
R66
NC
C112 0.1u C112 0.1u
C255 0.1u C255 0.1u
R44 4.7K R44 4.7K
C380 NC/0.1u C380 NC/0.1u
TP12TP12
1
+
CA17
470uF/16V
+
CA17
470uF/16V
C113 0.1u C113 0.1u
R55 4.7k R55 4.7k
C444 0.1u C444 0.1u
ADJ
OUT
IN
U36
AMS1117-ADJ
ADJ
OUT
IN
U36
AMS1117-ADJ
3
2
1
4
C12 0.1u C12 0.1u
C412 NC/0.1u C412 NC/0.1u
L36
15uH/3A
L36
15uH/3A
1
2
3
5
4
CON33 DIP-6(2*3) CON33 DIP-6(2*3)
1
1
2
2
3
3
4
4
5
5
6
6
R427
100R
R427
100R
C120 0.1u C120 0.1u
R336 10K R336 10K
+
CA48
100uF/16V
+
CA48
100uF/16V
Q34
A03401
Q34
A03401 1
3
2
C381 NC/0.1u C381 NC/0.1u
TP10TP10
1
C442 0.1u C442 0.1u
C107 0.1u C107 0.1u
C17 0.1u C17 0.1u
R75
10K
R75
10K
C376 0.1u C376 0.1u
C396 0.1u C396 0.1u
+ CA6
100uF/16V
+ CA6
100uF/16V
Q33
A03401
Q33
A03401 1
3
2
C399 0.1u C399 0.1u
R52
10k
R52
10k
C391 NC/0.1u C391 NC/0.1u
R73 1K R73 1K
C432 0.1u C432 0.1u
C15 10n C15 10n
CON24
CON8-2.0mm
CON24
CON8-2.0mm
1 2 3 4 5 6 7 8
Q6
MMBT3904
Q6
MMBT3904
1
2 3
R24
1K
R24
1K
F2F2
R15 10K R15 10K
ADJ
OUT
IN
U39
AMS1117-ADJ
ADJ
OUT
IN
U39
AMS1117-ADJ
3
2
1
4
Q35
A03401
Q35
A03401 1
3
2
D38 NC/1N4001 D38 NC/1N4001
R18 NC/22K R18 NC/22K
C407 NC/0.1u C407 NC/0.1u
C468 0.1u C468 0.1u
Q13 MMBT3904 Q13 MMBT3904
C334 1n C334 1n
C427 0.1u C427 0.1u
R25 4.7k R25 4.7k
C1 0.1u C1 0.1u
R22 10K R22 10K
C14 1n C14 1n
+ CA7
100uF/16V
+ CA7
100uF/16V
Q11 MMBT3904 Q11 MMBT3904
R72 10k R72 10k
R68 0R R68 0R
C445 0.1u C445 0.1u
Q9 MMBT3904 Q9 MMBT3904
R74
10K
R74
10K
C116 0.1u C116 0.1u
+
CA41
100uF/16V
+
CA41
100uF/16V
+
CA51
100uF/16V
+
CA51
100uF/16V
C392 0.1u C392 0.1u
U49 MP1482 U49 MP1482
EN
7
FB
5
VCC
2
OUT
3
BST
1
GND
4
SS
8
COMP
6
CON21
NC/CON4-2.0mm
CON21
NC/CON4-2.0mm
1 2 3 4
R335 4.7K R335 4.7K
DD33
BAV99
DD33
BAV99
3
1 2
R57 2.2k R57 2.2k
R118 10k R118 10k
L37
15uH/2A
L37
15uH/2A
1
2
3
5
4
R39 22K R39 22K
TP3TP3
1
C443 0.1u C443 0.1u
R341 10k R341 10k
C18 10n C18 10n
C401 NC/0.1u C401 NC/0.1u
+
CA16
470uF/16V
+
CA16
470uF/16V
+ CA8
100uF/16V
+ CA8
100uF/16V
+ CA15
100uF/16V
+ CA15
100uF/16V
Q7 MMBT3904 Q7 MMBT3904
1
2 3
C114 0.1u C114 0.1u
R21
100R
R21
100R
C410 0.1u C410 0.1u
C441 NC/0.1u C441 NC/0.1u
Q43 MMBT3904 Q43 MMBT3904
U50 MP1482 U50 MP1482
EN
7
FB
5
VCC
2
OUT
3
BST
1
GND
4
SS
8
COMP
6
R61 0R R61 0R
R20 10K R20 10K
C119 0.1u C119 0.1u
TP22TP22
1
R16
10k
R16
10k
ADJ
OUT
IN
U38
AMS1117-3.3
ADJ
OUT
IN
U38
AMS1117-3.3
3
2
1
4
C13 10n C13 10n