Hisense LCD24V88APAM Service Manual page 59

5
U5 U5
1084-3.3 1084-3.3
D
+3.3Vstb
5Vstb
+ +
C21 C21 C360 C360 CA7 CA7
0.1uF 0.1uF 2.2uF 2.2uF 100uF/16V 100uF/16V
Pin145,Pin164
+3.3Vstb for VDDP_PM
+3.3Vstb
C
+3.3Vstb for AVDD_33
Pin5, Pin27, Pin39,Pin205
+3.3Vstb AVDD_33_PM
262mA
C58 C58 C62 C62 C287 C287 C89 C89
0.1uF 0.1uF 0.1uF 0.1uF 0.1uF 0.1uF 0.1uF 0.1uF
For standby read EDID
Vcc 1.26V for MST6E16 Core power
B
L15 L15 FB FB
5VAIN
L16 L16 NC NC
5Vstb
3 PM_CTL
+ +
CA79 CA79
100uF/16V 100uF/16V
A
5
4
L14 L14
5VAIN
C88 C88 C73 C73
0.1uF 0.1uF 0.1uF 0.1uF
VDDP_PM
C23 C23 C67 C67
0.1uF 0.1uF 0.1uF 0.1uF
AVDD_MemPLL
+3.3AVDD
+3.3Vstb for
VDD_MPLL
Pin45
+3.3Vstb AVDD_MPLL_PM
10mA
C370 C370 C70 C70
2.2uF 2.2uF 0.1uF 0.1uF
U9 U9
MP1482 MP1482 L8 L8 10uH 2.5A 10uH 2.5A
2 3
IN SW
R306 R306 100K/NC 100K/NC
PWM1 R304 R304 NC/100 NC/100 7 C450 C450
EN
1
10nF 10nF
BS
6
COMP
C352 C352 8
SS
3.3nF 3.3nF
R269 R269
C202 C202 C362 C362 C298 C298 5.1K_1% 5.1K_1%
0.1uF 0.1uF NC NC 0.1uF 0.1uF
R292 R292 4 5
GND FB
2.2K 2.2K
R270 R270
13K_1% 13K_1%
MST Core Voltage need to set 1.28V
4
3
main board pcb 1861
U6 U6 MST6E16GS L48=FB,U6=NC
NC/AMS1117-3.3 NC/AMS1117-3.3
MST6E16JS L48=NC,U6=1117
+3.3AVDD
L48 L48 FB FB
NC/FB NC/FB
C388 C388 C33 C33 C385 C385 C34 C34 C386 C386
22uF 22uF 0.1uF 0.1uF 22uF 22uF
0.1uF 0.1uF 2.2uF 2.2uF
Pin76, Pin167, Pin184, Pin198
L19 L19 FB FB
+3.3AVDD
VDDP
L21 L21 NC NC
+3.3Vstb
C61 C61 C66 C66 C69 C69 C68 C68
0.1uF 0.1uF 0.1uF 0.1uF 0.1uF 0.1uF 0.1uF 0.1uF
Pin108 +3.3AVDD
4mA AVDD_AU Pin56、Pin61
30mA
C371 C371 C47 C47 C51 C51
2.2uF 2.2uF 0.1uF 0.1uF 0.1uF 0.1uF
+3.3AVDD AVDD_RXS +3.3AVDD
L50 L50 FB FB Pin47 L51 L51
?mA
C396 C396 C97 C97
2.2uF 2.2uF 0.1uF 0.1uF
Close To Close To
IC Pin IC Pin
VCC-1.26V 600mA
+ +
CA46 CA46 C296 C296 C284 C284
470uF/16V 470uF/16V 10uF 10uF 0.1uF 0.1uF
Low ESR
R271 R271
NC NC
VCC-1.26V VDDC
1.32V>VDDC>1.26V,最好在IC
PIN脚有1.26V以上
C26 C26 C27 C27 C28 C28 C29 C29 C30 C30
C380 C380
2.2uF 2.2uF 0.1uF 0.1uF 0.1uF 0.1uF 0.1uF 0.1uF 0.1uF 0.1uF 0.1uF 0.1uF Pin78, Pin89, Pin151,
Pin171, Pin202
注意：L7电流要大，直流电阻要小，
保证VDDC到MST6E16GS的电压在1.26V
3
2
2.6V for MST6E16
and DDRAM
+3.3Vstb
L13 L13 FB FB
5VAIN
FOR use DDR,+2.6VM must be 2.6V
AVDD_USB Pin91, Pin107,Pin111, Pin117, Pin122,
Pin141
Pin128,Pin133
?mA
+2.6VM
C104 C104
0.1uF 0.1uF
C35 C35
0.1uF 0.1uF
AVDD_RXV
Pin54
FB FB
?mA
C395 C395 C99 C99
2.2uF 2.2uF 0.1uF 0.1uF
12V 5V_Stb
DC/DC
AOZ1021
PMOS
Title Title Title
Size Size Size
Date: Date: Date:
2
1
U8 U8
AMS1117-ADJ AMS1117-ADJ
R74 R74
200 200
+2.6VM
C384 C384 R73 R73 C374 C374 C24 C24 C25 C25 CA94 CA94
2.2uF 2.2uF 220 220 2.2uF 2.2uF 0.1uF 0.1uF 0.1uF 0.1uF 100uF/16V 100uF/16V
+2.6V for MST6E16
+2.6MVDD 30mA
C36 C36 C37 C37 C38 C38 C39 C39 C42 C42 C43 C43 C44 C44 C45 C45 C57 C57
0.1uF 0.1uF 0.1uF 0.1uF 0.1uF 0.1uF 0.1uF 0.1uF 0.1uF 0.1uF 0.1uF 0.1uF 0.1uF 0.1uF 0.1uF 0.1uF 0.1uF 0.1uF
5VA 3.3V
PMOS 1117
1.26V 2.6V_DDR
DC/DC
1117
MPS1482
3.3_Stb
1084
5V USB
PMOS
5V Panel
PMOS
12V Amplifier
12V 预中放
12V Audio(Scart, Phone)
33V_Tuner
PWM
5V Tuner
7805
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Document Number Document Number Document Number
A3 A3 A3 MST6E16 MST6E16 MST6E16
Wednesday, January 06, 2010 Wednesday, January 06, 2010 Wednesday, January 06, 2010 Sheet Sheet Sheet 2 2 2 of of of 9 9 9
1
D
C
B
A
Rev Rev Rev
A A A