Philips LC4.1E Service Manual page 33

Circuit Diagrams and PWB Layouts
SSB: Supply
1951 A4 2961 B2 2994 D1 2997 D3 3958 C2
2959 A3 2962 A4 2995 D1 2998 B1 5955 B2
2960 A4 2963 A4 2996 D2 3955 B2 5956 B2
1 2
SUPPLY
B9
A
+5VSW +3V3STBY
+12VSW
*
2998 RES
5960 5955
5956
1m0 6.3V
RES
I953
14V4
2
B
3955 2961
10K 10n
I954
*
3958
1K0
I955
0V
C (0V)
7952
B7 PANEL_PWR_CTL 3V2
PDTC114ET
F952
SUPPLY FOR SCALER
7955
LD1086D2T18
I956
D 3
+3V3STBY
IN OUT
3V3
COM
2995
2994
100n
47u 6.3V
3139 123 6019.1
1 2
LC4.1E AB
5957 B3 5960 B1 7953 A3 F951 A4 I951 A3 I954 B2
5958 A2 5961 A4 7954 B3 F952 C1 I952 B3 I955 C2
5959 A3 7952 C2 7955 D2 F954 D3 I953 B2 I956 D1
3 4
RES
1951
7
I957
PAN_VCC_IN
RES
5958
*
7953
L4940D2T12
*
5959 F951 5961
1 3
IN OUT
I951 14V4 11V9
COM
*
2963
2959 2960
100n 22n
47u 16V
14V4
5957
*
SS = 4V9
3
I952
7954
SI2301DS-T1
1
1V3
15" S1 17" S1 20" S1 23" QDI_TN
*
1951 Y -- -- --
2959 -- Y Y --
5956 -- Y Y Y
5957 Y -- --
Y
5958 Y -- -- --
5959 -- Y Y --
7953 --
-- Y Y
F954
2
+1V8
1V8
2996 2997
100n 47u 6.3V
3 4
7. 33
I957 A4
Personal Notes:
B9
6
5
4
3
2
1
A
PAN_VCC
B7
2962
100n
B
C
D
F_15310_015.eps
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E_06532_012.eps
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