Samsung PS42E7SX Service Manual page 6

Block Diagram
CN804-1(Main SMPS) CN803(Main SMPS)
↔
CN102(Main Board)
Pin No.
Pin No. Signal
1 5.3V
2 RTN
3 N/C
4 N/C
5 RTN
6 RTN
7 12V
8 PS_ON
9 RTN
10 STBY
11 FAN_ON
12 FAN_D
CN6(DC-DC SMPS)
↔
CN2509(E-Buffer)
Pin No. Signal
1 RTN
2 N.C
3 D5.3V
4 N/C
5 Va
7-2
CN810(Main SMPS)
↔
CN101(Main Board)
CN2013(Logic Board)
Signal
Pin No.
1 6.5V
1
2 RTN
2
3 12V
3
4 RTN
4
5 18Vamp
5
6 18Vamp
6
7 RTN_amp
7
8 RTN_amp
8
9 Vt
9
10 RTN
10
CN2(DC-DC SMPS)
↔ ↔
CN5007(Y B'D)
Signal Pin No.
STBY 1
VS_ON 2
N/C 3
PS_ON 4
RTN 5
5.3V 6
RTN 7
RTN 8
5.3V 9
5.3V 10
CN4(DC-DC SMPS)
↔
CN4001(X B'D)
Signal Pin No. Signal
Vs 1 D5.3V
Vs 2 Vg
RTN 3 RTN
RTN 4 RTN
Vset 5 Ve
RTN 6 RTN
Vscan 7 RTN
RTN 8 Vs
Vg 9 Vs
D5.3V
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