Samsung HL67A750A1FXZA Service Manual page 99

7-3-21 DMD Board-21
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PMD1000
PWR_GOOD
POSENSE
PMDINTZ
EXT_ARSTZ
P12V
BD750
Samsung Electronics
P3P3V
R750 R751 R752 R753
10KOHM 10KOHM 10KOHM 10KOHM
IC750
PMD1000
35
PWRGOOD CSZ
CLK
34
POSENSE DOUT
DIN
36
PMDINTZ
F1SW
F2SW
48
RESETZ F3SW
P12V
6
OSC OUTA
OUTB
9
VBB1 OUTC
CTAP
11
VM
C750 C751 C752 C753 TACH
10
330NF 330NF 330NF 330NF VMSW
50V 50V 50V 50V SENSE
8
GMIN
22
VBB2 ISENK
37
VBB3 ISEN
42
VBB4 GDC
C754
LXC
21
220NF
VCP
25V
FBC
1 2 18
CP1
17
CP2 V2P5
1 2 20
VREG LX25
47
C755
TRIM V3P3
220NF
LX33
25V
V5
LX5
FB1
7
GND VLIN1
19
GND GD2
44
GND FB2
P3P3V
P1P8V
IC751
NCP1117DT18T5G
3 2
VIN VOUT
ADJ
C764 C765
C763
47UF 10UF
10UF
16V 10V
10V
PLACE NEAR RLDRAM
R754
10KOHM
4
SSP0_CSZ_0
2
SSP0_CLK
1
SSP0_RXD
3
SSP0_TXD
40
39
38
Q750
12 R755
0.1OHM
15
P12V
SI4800BDY-T1-E3
1
16
13
1 8
2 7
5
3 6
4 5
14
1 2
L750
10UH
C756
27
47UF
28
D750
16V
26
R756
2.2KOHM
25
R758
2.49KOHM
30 1
46
41
45
43
24
23
31
29
33
R759 R757
32
1KOHM 2KOHM
P1P2V
1 2 1 2
C759 C761
47UF 10UF
16V 10V
P12V
2
C770
P1P5V
100NF
16V
C757
10UF
10V
2
P2P5V
1 2
L751
C771 C772
33UH C760
C758
100NF 100NF
D751 47UF 10UF
16V 16V
16V 10V
P3P3V
L752
10UH
1 2
C762 C766
D752 47UF 10UF
16V 10V
P5V
L753
1 2
22UH
C773 C774
C768
C767
D753 100NF 100NF
47UF 10UF
16V 16V
16V 10V
Schematic Diagram
C776 C777
100NF 100NF
16V 16V
C775
100NF
16V
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