Main Board Circuit Diagram: Scart & Video Out - Philips HTS3520/12/05 Service Manual

7-8
5
Main Board Circuit Diagram: SCART & VIDEO OUT
R68 R68
1K 1K
S_G/Y
Q17 Q17
3DG3904M 3DG3904M
D
R71 R71
4.7K 4.7K
S_B/U
Q19 Q19
3DG3904M 3DG3904M
R75 R75 4.7K 4.7K
R74 R74
4.7K 4.7K Q21 Q21
3DG3904M 3DG3904M
R77 R77
1K 1K
S_R/V
Q24 Q24 SCART_CON
3DG3904M 3DG3904M
R84 R84
4.7K 4.7K
SCART_CTL
C
Video buffer +5V
1
V+5V
0
R87 R87 2.2 2.2
5V
C68 C68
0.1uF/25V 0.1uF/25V
C69 C69 NC/10pF NC/10pF
G/Y L10 L10 1.2uH/0.025A 1.2uH/0.025A G/Y1
SCART_CTL
C70 C70 C71 C71
100pF 100pF 100pF 100pF
B
R88 R88
82 82
C75 C75 NC/10pF NC/10pF
B/U B/U1
L11 L11 1.2uH/0.025A 1.2uH/0.025A
SCART1
C78 C78 C79 C79
100pF 100pF 100pF 100pF
R94 R94
82 82
1
0
C81 C81 NC/10pF NC/10pF
0
R/V R/V1
L12 L12 1.2uH/0.025A 1.2uH/0.025A
C82 C82 C83 C83
100pF 100pF 100pF 100pF
R100 R100
82 82
A
5
4
V+5V
R70 R70 NC(0) NC(0)
R69 R69
1K 1K
Y_OUT V_OUT
U_OUT
Q18 Q18 Y_OUT
3DG3904M 3DG3904M
R72 R72
4.7K 4.7K
R73 R73 NC(0) NC(0)
U_OUT
Q20 Q20
3DG3904M 3DG3904M
R76 R76
Q22 Q22
4.7K 4.7K
3DG3904M 3DG3904M
R80 R80 NC(0) NC(0)
C65 C65 NC/10pF NC/10pF
V_OUT
Q25 Q25
CVBS
3DG3904M 3DG3904M
L9 L9 1.2uH/0.025A 1.2uH/0.025A
C66 C66
100pF 100pF
R81 R81 R82 R82
4.7K 4.7K 75 75
SCART
ON
OFF
SCART16 5V
DV33
R102 R102
0 CVBS OUT
4.7K 4.7K
SCART_CTL
RGB OUT
1
+12V
R92 R92 470 470 R93 R93
SCART2 SCART8
R95 R95 470 470 R96 R96
0 (Standby)
ZD1 ZD1
BZX79C12 BZX79C12
1 6V(16:9) SCART2
0 9.5-12V(4:3)
SCART1
4
3
AUX_R
AUX_L
V_OUT
U_OUT U_OUT
Y_OUT
D18 D18
U7 U7
ESD0603/SMD/NC ESD0603/SMD/NC
ESD0603/SMD/NC ESD0603/SMD/NC
4 3
2
C61 C61 C62 C62 C63 C63 C64 C64
5 1
100pF 100pF 100pF 100pF 100pF 100pF 100pF 100pF
PESD3V3L5UY/NC PESD3V3L5UY/NC
V+5V
R78 R78
R79 R79
2.4K 2.4K
33 33
CE18 CE18
Q23 Q23
47uF/16V 47uF/16V
3DG3904M 3DG3904M
C67 C67
100pF 100pF R83 R83
100 100
R85 R85
1.2K 1.2K R86 R86
100 100
XP7 XP7
SHIELD
20
VIN
VOUT
R89 R89 75 75 18
BLNKGND
Q26 Q26 3DG3904M 3DG3904M
VGND
SCART16 16
BLNK
14
DATAGND
C73 C73
RGND
680pF 680pF
12
DATA
R91 R91
R90 R90 1K 1K
10
CLKOUT
4.7K 4.7K
GGND
SCART8 8
SWITCH
SCART SWITCH
6
AIL
C77 C77 BGND
1.5K 1.5K
4
AGND
0.1uF/25V 0.1uF/25V
1.5K 1.5K
2
AIR
AOR
R97 R97
1K 1K Q27 Q27
3DG3904M 3DG3904M
DV33 SCART 21PIN SCART 21PIN
R103 R103
4.7K 4.7K
Q28 Q28
3DG3904M 3DG3904M
R98 R98
1K 1K
DV33
R104 R104
4.7K 4.7K
R99 R99
100K 100K
3
7-8
2
P1 P1 P4 P4
AUX_R
1
AUX_L
3
CVBS_O
5
2
4
6
R107 R107 R113 R113 R117 R117
VIDEO OUT
7
8
NC(0) NC(0) NC(0) NC(0) NC(0) NC(0)
9
D19 D19 D20 D20
47-RCA230-XX0 47-RCA230-XX0
ESD0603/SMD/NC ESD0603/SMD/NC
CVBS
CVBS
R/V
R/V
B/U
B/U
G/Y
G/Y
VIDEO I/F
SCART1
SCART_TV/DVD
SCART2
SCART_DISPLAY
SCART_CTL
SCART_R/C
S_G/Y S_B/U CVBS_O
D17 D17 D16 D16 D14 D14
ESD0603/SMD/NC ESD0603/SMD/NC ESD0603/SMD/NC ESD0603/SMD/NC ESD0603/SMD/NC ESD0603/SMD/NC
21
19
17
15
R
13
S_G/Y
11
G
9
S_B/U
7
B
C76 C76
100pF 100pF
5
3
AOL C80 C80
100pF 100pF
1
2
1
D
C
S_R/V
D15 D15
ESD0603/SMD/NC ESD0603/SMD/NC
CVBS_O
B
C72 C72
S_R/V 100pF 100pF
C74 C74
100pF 100pF
A
1