Dc-Dc Smps Board - Samsung PS42E7SX Service Manual

PCB Diagram

9-6 DC-DC SMPS Board

①
CN2(DC-DC SMPS)
↔
CN5010(Y B'D)
Pin No. Signal Pin No.
1 Vs
2 Vs
3 RTN
4 RTN
5 Vset
6 RTN
7 Vscan
8 RTN
9 Vg
10 D5.3V
9-6
②
CN4(DC-DC SMPS) CN5(DC-DC SMPS)
↔
CN4004(X B'D) CN2710(F-Buffer)
Signal Pin No.
1 Vs 1
2 Vs 2
3 RTN 3
4 RTN 4
5 Ve 5
6 RTN
7 RTN
8 Vg
9 D5.3V
③ ④
CN3(DC-DC SMPS)
↔ ↔
CN809(Main SMPS)
Pin No.
Signal
1
RTN
2
N.C
3
D5.3V
4
N.C
5
Va
6
7
8
9
10
11
12
Signal
D5.3V
Vg
RTN
RTN
RTN
RTN
RTN
Va
Va
N.C
Vs
Vs
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