Philips FTP1.1E Service Manual page 91

Circuit Diagrams and PWB Layouts
Small Signal Board: Backlight Control
2063 C3 3023 C1 3030 A2 3036 A4 7020 B2
3022 A1 3028 B2 3032 B3 3037 C4 7021-1 B4
1 2
BACKLIGHT CONTROL
A
+5V_CON +5V_CON
B5a
3028
PWM_BACKLIGHT
B
4K7
C
D
8204 000 8324.2
1 2
FTP1.1E
7021-2 B4
9019 B4
3 4
+5V_CON
RES
7021-1
BC847BPN
10K FC72
BC847BPN ANTI-MOIRE
7021-2
3032 (
BACKLIGHT
7020
BC847BW CONTROL
9019
CL 36532075_019.eps
3 4
7. 52
Small Signal Board: OTC-Flash
1402 C1 2C01 B3 3C01 A2
1404 B1 2C02 D3 3C03 B2
2C00 A2 3C00 A2 3C04 D2
1
A
A
B4
)
B
B
SSSS8
1404
1402
SSSS8
C
C
D D
151003
E
F
8204 000 8324.2
1
3C05 D2 3C06-C C4 3C07-B C4 3C08 B2
3C06-A B4 3C06-D C4 3C07-C C4 7017 B2
3C06-B C4 3C07-A C4 3C07-D D4 7018 B3
2 3
+3V3_INTOTC
OTC-FLASH
3C01 EAn
3V3
10R
+3V3_INTOTC
7018
74LVC245APW
FC71
3C08 19
20
0V1
G3
VCC
10K
1 10
7017
3EN1
GND
PDTC144ET
3EN2
SWITCH
2 18
ROM_OE SW_OE SW_OE
1
2
17
3
ROM_CS SW_CS SW_CS
4 16
FC65 RAM_OE EP_OE EP_OE
5 15
RAM_CS EP_CS EP_CS
6 14
WE EP_WE EP_WE
7 13
WP SW_WE SW_WE
8 12
VPP-EPG VPP-EPG
9 11
VCCW VPP-SW VPP-SW
10K
+3V3_INTOTC
3C04
3C05
470R
7019
74LVC245APW
19 20
3V3
G3
VCC
1 10
3EN1
GND
3EN2
SWITCH
2 18
VCCW VPP-EPG
1
2
3 17
VPP-SW
FC64
4 16
WP EP_WE
5 15
WE SW_WE
6 14
RAM_CS SW_CS
7 13
RAM_OE SW_OE
FC63
8 12
ROM_CS EP_CS
FC62
9 11
ROM_OE EP_OE
2 3
7019 D3 9C02 D1 FC64 E3
9C00 A2 FC62 F3 FC65 C1
9C01 C1 FC63 F3 FC71 B2
4
A
B
B5a,c
3C06-A
ROM_OE
10R
3C06-B
ROM_CS
10R 3C06-C
RAM_OE
C
3C06-D 10R
RAM_CS
10R 3C07-A
WE
3C07-B 10R
WP
10R 3C07-C
WP
3C07-D 10R
VCCW
10R
D
E
F
CL 36532075_020.eps
151003
4