Haier HL42XK1, Service Manual

Page: 28 / 56

A A
B B
C C
D D
E E
4
4
3
3
2
2
1
1
1.25 x (1+180/110) = 3.3V
1.25 x (1+180/110) =
3.3V
0.8 x (1+1K/2K) = 1.2V
or +12V
1.25 x (1+162/150) = 2.6V
Low ESR
VTT FOR DDR TERMINATOR MEM_VREF FOR DDR AND MT5381 VREF
DV10 +5V +
5
VSB
+
3
V3
SB
MEM_VREF VTT DDRV DV33 AV3
3
GND
MEM_VREF
GND
1,3,4,5,6,7,8,9,10,11,12,13,14,15
+5V
1,3,4,5,8,9,10,15
DV10
7
+
5
VSB
1,11,15
+
3
V3
SB
1,4,7,8,9,10,13
MEM_VREF
6
VTT
6
DDRV
6,7
DV33
4,7,9,14
AV33
3,5,8,9,10,13
+
3
V3
SB
+
5
VSB
DV33
+5V
DV10
DDRV
+5V
AV3
3
+5V
DDRV
DV33
VTT
R956 150
_1%
R0603/SMD
R32 100K 1%
+
CE8
100uF/16V C100UF16V/D6.3H7
CB12 0.1uF C0402/SMD
L1
34
NS/FB BEAD/SMD/0805
CB37 0.1uF C0402/SMD
CB9
NC/1uF
R7 2K_
1%
R0603/SMD
R10 110
_1%
R0603/SMD
+
CE16 100uF/16V C100UF16V/D6.3H7
R519 100
K
R0603/SMD
R1 11
0_1%
R0603/SMD
CB64 0.1uF C0402/SMD
U11
LT1084 TO-252-3 TO-252-3/
S
M
D
3
1
2
IN
ADJ/GND
OUT
R11 180
_1%
R0603/SMD
C301 0.1uF C0402/SMD
U1
AZ1117/adj SOT223/SM
D
1
2
3
ADJ/GND
OUT
IN
+
CE33
470uF/16V C470UF16V/D8H9
R5 1K_
1%
R0603/SMD
CB33 0.1uF C0402/SMD
+
CE2
100uF/16V C100UF16V/D6.3H7
C302 100nF C0402/SMD
+
CE15 100uF/16V C100UF16V/D6.3H7
CB5 0.1uF C0402/SMD
U6
AZ1117/adj SOT223/SM
D
1
2
3
ADJ/GND
OUT
IN
U3 AP1513/SOP-8 SOP8/SMD
1
2
3 4
5 6
7
8
FB
EN
OCSET Vcc
O/P O/P
Vss
Vss
CB42 0.01uF C0402/SMD
CB573 0.1uF C0402/SMD
R29 100K 1%
U4
IC RT9199 DDR Termination SOP-8
1 2 3 4
5 6 7 8
VIN GND REFEN VOUT
VCNTL VCNTL VCNTL VCNTL
+
CE71 220uF/16v C220UF10V/D6.3H7
+
CE9 220uF/16V C470UF16V/D8H9
+
CE611 22uF/16V C22UF16V/D4H7
+
CE1
100uF/16V C100UF16V/D6.3H7
R3 18
0_1%
R0603/SMD
R518 3K R0603/SMD
R958 162
_1%
R0603/SMD
CB8 0.1uF
L7
27uH/POWER CHOKE L5-
9
CB574 0.1uF C0402/SMD
+
CE654 220uF/16v C470UF16V/D8H9
+
CE579 470uF/16V C470UF16V/D10H9
+
CE6 47uF/16v
D95 SCHOTTKY DIODE/B340A SMD-403
A
CB6 0.1uF C0402/SMD