Main Smps Board - Samsung HPS5033X/XAC Service Manual

PCB Diagram

9-5 Main SMPS Board

① CN800 : AC IN (220V)
②
CN804-1(Main SMPS)
↔
CN102(Main B'D)
Pin No. Signal Pin No.
1 D5.3V
2 RTN
3 VCS
4 VCA
5 RTN
6 RTN
7 D12V
8 PS_ON
9 RTN
10 STB-5V
11 FAN_ON
12 FAN_D
9-6
③
CN803(Main SMPS) CN810(Main SMPS)
↔
CN101(Main B'D) CN2005(Logic B'D)
Signal Pin No.
1 6.5V 1
2 RTN 2
3 A12V 3
4 RTN 4
5 18V-AMP 5
6 18V-AMP 6
7 RTN-AMP 7
8 RTN-AMP 8
9 VT 9
10 RTN 10
④ ⑤
CN809(Main SMPS)
↔ ↔
CN3(DC-DC SMPS)
Signal Pin No.
D5.3V 1
D5.3V 2
RTN 3
RTN 4
D5.3V 5
RTN 6
PS_ON 7
N.C 8
VS_ON 9
STB-5V 10
11
12
Signal
D5.3V
Vg
RTN
RTN
RTN
RTN
RTN
Va
Va
N.C
Vs
Vs
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