Ssb: Backlight Control (B5B); Ssb: Otc-Flash (B5C) - Philips FTL2.4A Service Manual

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Circuit Diagrams and PWB Layouts
SSB: Backlight Control
2063 C3 3023 C1 3030 B2 3036 B4
3022 B1 3028 B2 3032 B2 3037 C4
1
BACKLIGHT CONTROL
B5B
A
+5V_CON
*
B
*
B5a
3028
PWM_BACKLIGHT
4K7
*
C
D
8204 000 8482.1
1
FTL2.4A AA
3070 C3 7021-1 B4 9019 C4 IC50 B4 IC52 B2
7020 B2 7021-2 B4 FC72 B4 IC51 B3
2 3 4
+5V_CON +8V_CON
* *
RES
IC50
7021-1
BC847BPN
*
IC51
10K FC72
BC847BPN
7021-2
*
IC52
3032 (
7020
BC847BW
*
*
9019
* *
*
2 3 4
7. EN 47
SSB: OTC-Flash
1402 C1 2C01 B3
1404 B1 2C02 E3
2C00 A2 3C00 A2
1
B5B
B5C
A
OTC-FLASH
A
B
B4 B
ANTI-MOIRE
)
BACKLIGHT
CONTROL
SSSS8
1404
1402
SSSS8
C
C
SWITCH
FOR SOFTWARE
D DOWNLOAD
D
F_15500_009.eps
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F
8204 000 8482.1
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3C01 A2 3C05 D2 3C06-3 C4 3C07-2 C4 3C08 B2
3C03 B2 3C06-1 B4 3C06-4 C4 3C07-3 C4 7017 B1
3C04 D2 3C06-2 C4 3C07-1 C4 3C07-4 D4 7018 B3
2 3
+3V3_INTOTC
3C01 EAn
3V3
10R
+3V3_INTOTC
7017
7018
74LVC245APW
PDTC144EU
1
3EN1
FC71 3EN2
19
0V1
G3 SWITCH
b5a,c(2x)
b5a,c(2x)
2
ROM_OE 18 SW_OE
1
b5a,c(2x) b5a,c(2x)
2
3 17
ROM_CS SW_CS
b5a(3x),c(2x)
4
RAM_OE 16 EP_OE
FC65 b5a,c(2x)
5
RAM_CS 15 EP_CS
b5a(3x),c(2x)
6
WE 14 EP_WE
b5c(2x)
7
WP 13 SW_WE
8 12
VPP-EPG
b5c(2x)
VCCW 9 11 VPP-SW
3C05
470R
10K
+3V3_INTOTC
3C04
7019
74LVC245APW
1
3EN1
3EN2
3V3 19
G3 SWITCH
b5c(2x)
VCCW 2 18
1
2
3 17
b5c(2x) 4 16 FC64
WP
b5a(3x),c(2x) 5 15
WE
b5a,c(2x) RAM_CS 6 14
b5a(3x),c(2x) RAM_OE 7 13
b5a,c(2x) ROM_CS 8 12 FC63
b5a,c(2x) ROM_OE 9 11
FC62
2 3
17/6/2013
7019 E3 9C02 D1 FC64 F3
9C00 A2 FC62 F3 FC65 C1
9C01 C1 FC63 F3 FC71 C2
4
B5C
A
B
B5a,c
b5a,c(2x)
3C06-1
SW_OE ROM_OE
10R
b5a,c(2x)
3C06-2
SW_CS ROM_CS
b5a,c(2x) b5a(3x),c(2x)
10R 3C06-3
RAM_OE
EP_OE
C
b5a,c(2x) b5a,c(2x)
3C06-4 10R
EP_CS RAM_CS
b5a,c(2x) b5a(3x),c(2x)
10R 3C07-1
EP_WE WE
b5a,c(2x) b5c(2x)
3C07-2 10R
SW_WE WP
b5a,c(2x) b5c(2x)
10R 3C07-3
VPP-EPG WP
b5c(2x)
b5a,c(2x)
3C07-4 10R
VPP-SW VCCW
10R
D
E
VPP-EPG b5a,c(2x)
VPP-SW b5a,c(2x)
EP_WE b5a,c(2x)
SW_WE b5a,c(2x)
b5a,c(2x)
SW_CS
SW_OE b5a,c(2x)
EP_CS b5a,c(2x)
b5a,c(2x)
EP_OE F
F_15500_010.eps
290705
4