Philips FTL2.1E Service Manual page 67

Circuit Diagrams and PWB Layouts
SSB: Backlight Control
2063 C3 3023 C1 3030 B2 3036 B4 3070 C3
3022 B1 3028 B2 3032 B2 3037 C4 7020 B2
1 2
BACKLIGHT CONTROL
A
+5V_CON +5V_CON
*
*
B
*
B5a IC52
3028
PWM_BACKLIGHT
4K7
*
C
D
8204 000 8344.3
1 2
FTL2.xE AA 7.
7021-1 B4 9019 C4 IC50 B4 IC52 B2
7021-2 B4 FC72 B4 IC51 B3
3 4
+8V_CON
*
IC50 RES
7021-1
BC847BPN
*
IC51
10K
FC72
BC847BPN
ANTI-MOIRE
7021-2
*
(
3032
BACKLIGHT
7020
BC847BW CONTROL
*
*
9019
* *
*
E_14620_093.eps
3 4
67
SSB: OTC-Flash
1402 C1 2C01 B3 3C01 A2
1404 B1 2C02 D3 3C03 B2
2C00 A2 3C00 A2 3C04 D2
1
A
A
B
B4
)
B
SSSS8
1404
C
1402
SSSS8
C
D
SWITCH
FOR SOFTWARE
DOWNLOAD
D
160804
E
F
8204 000 8344.3
1
3C05 D2 3C06-3 C4 3C07-2 C4 3C08 B2
3C06-1 C4 3C06-4 C4 3C07-3 D4 7017 B2
3C06-2 C4 3C07-1 C4 3C07-4 D4 7018 B3
2 3
OTC-FLASH
+3V3_INTOTC
3C01 EAn
3V3
10R
+3V3_INTOTC
7018
74LVC245APW
3C08 FC71
19
20
0V1
G3
VCC
10K
7017 1 10
3EN1
GND
PDTC144EU
3EN2
SWITCH
b5a,c(2x)
b5a,c(2x)
2 18
ROM_OE SW_OE SW_OE
1
2
b5a,c(2x)
b5a,c(2x)
17
3
ROM_CS SW_CS SW_CS
b5a,c(2x)
b5a(3x),c(2x)
4 16
RAM_OE EP_OE EP_OE
FC65
b5a,c(2x)
b5a,c(2x)
5 15
RAM_CS EP_CS EP_CS
b5a,c(2x)
b5a(3x),c(2x)
6 14
WE EP_WE EP_WE
b5a,c(2x)
b5c(2x)
7 13
WP SW_WE SW_WE
b5a,c(2x)
8 12
VPP-EPG VPP-EPG
b5a,c(2x)
b5c(2x)
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
b5c(2x)
2 18
VCCW VPP-EPG
1
2
3 17
VPP-SW
b5c(2x)
FC64
4 16
WP EP_WE
b5a(3x),c(2x)
5 15
WE SW_WE
b5a,c(2x)
6 14
RAM_CS SW_CS
b5a(3x),c(2x)
7 13
RAM_OE SW_OE
b5a,c(2x)
FC63
8 12
ROM_CS EP_CS
b5a,c(2x)
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
b5a,c(2x)
3C06-1
8 1
ROM_OE
10R
b5a,c(2x)
3C06-2
7 2 ROM_CS
b5a(3x),c(2x)
10R 3C06-3
6 3
RAM_OE
C
b5a,c(2x)
3C06-4 10R
5 4
RAM_CS
b5a(3x),c(2x)
10R 3C07-1
1 8
WE
b5c(2x)
3C07-2 10R
2 7
WP
b5c(2x)
10R 3C07-3
3 6
WP
b5c(2x)
3C07-4 10R
4 5
VCCW
10R
D
E
b5a,c(2x)
b5a,c(2x)
b5a,c(2x)
b5a,c(2x)
b5a,c(2x)
b5a,c(2x)
F
b5a,c(2x)
b5a,c(2x)
E_14620_094.eps
070704
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