Philips LC4.31E Service Manual page 58

Circuit Diagrams and PWB Layouts
SSB .2: Scaler Interface
1 2
SCALER INTERFACE
B9
7801-8
GM1501-LF-CF
A
ACp|GPIO_G06_B6|DORED8
ACn|GPIO_G06_B7|DORED9
A3p|GPIO_G06_B4|DORED6
A3n|GPIO_G06_B5|DORED7
A2p|GPIO_G05_B1|DOGRN3
A2n|GPIO_G05_B2|DOGRN4
A1p|GPIO_G05_B4|DOGRN6
A1n|GPIO_G05_B5|DOGRN7
B
A0p|GPIO_G05_B6|DOGRN8
A0n|GPIO_G05_B7|DOGRN9
SHIELD5|DEBLU5
SHIELD4|DEBLU2
SHIELD3|DEGRN5
SHIELD2|DEGRN4
SHIELD1|DEGRN3
SHIELD0|DEGRN2
BCp|DEGRN8
BCn|DEGRN9
C
B3p|DEGRN6
B3n|DEGRN7
B2p|DEBLU3
B2n|DEBLU4
B1p|DEBLU6
B1n|DEBLU7
B0p|DEBLU8
B0n|DEBLU9
LVDS
D
FOR PDP ONLY
+3V3SW
3A07 3A08
10K 10K
TO PACIFIC3
E
SDA_DMA_BUS1_DISP
SCL_DMA_BUS1_DISP
2A01 2A02
100p 100p
F
3139 123 6117.2
1 2
LC4.31E AA 7.
3 4
AE20
AF20
TO SCALER
AE19
AF19
AE21
AF21
AE22
AF22
NC
AE23
AF23
AD14
AE13
AE11 TO PACIFIC3
AD11
AC11
AF10
TXBC+
AE12 TXBC-
AF13
TXB3+
AF11 TXB3-
AF12
TXB2+
AF14 TXB2-
AE14
TXB1+
AF15
TXB1-
AE15
TXB0+
AF16 TXB0-
AE16
+3V3SW
5A00
2A00 100n
7A00
PCA9515ADP
VCC
IA08
3A00
6 SDA1 SDA0 3 SDA_IO
68R
IA09
3A01
7 SCL1 SCL0 2 SCL_IO
68R
4A04
1 EN 5 BUF_ENABLE
NC
NC GND (PDP)
4A00 RES
4A01 RES
3 4
EN 58
5 6
RESERVED
IA07
4A02
RES
3A03
RES 3A05
3A04
+5VSWI
7A01
3A03 RES
4A03
3A06
3A02 2
BU_LHT_ADJ1 3A05
2A03
1 RES
1K0
IA06 3A06
3
7A01
SI2301DS-T1 10K
3A04
1K0
* 4A03
FOR LARGE SCREEN 37"~50"
7A02
FROM HERCULES
BC847BW
SC_STANDBY 3A10 IA03
10K
2A12
10n
4A05
LS|PDP_DVB_SEMISTANDBY
5 6
7 8 9
IA05
BACKLIGHT_DIM
BACKLIGHT CONTROL
5V DC 5V PWM 3V3 DC 3V3 PWM
390R 390R - -
- - - -
1K 1K - -
Y Y - - TO TOP CONNECTORS
- - Y Y
10K 0R 10K 0R
1u - 1u -
IA00
BACKLIGHT_CTRL
2A03
1u0
+3V3STBY +3V3STBY +5V
2A13 3A14
3A13
3A11
100n 4K7
10K
4K7
STANDBY
7A03
BC847BW
4A06
FOR PDP DVB ONLY
7A04 3A15
BC847BW
3K3
3A16 IA10
10K
2A14
10n
RESERVED
7 8 9
2A00 E3
2A01 F2
B9
2A02 F2
2A03 C7
2A12 E6
2A13 D8
2A14 F8
3A00 E2
3A01 E2
A
3A02 C5
3A03 C6
3A04 C6
3A05 C6
3A06 C7
3A07 E2
3A08 E2
3A10 E6
3A11 D7
FROM PACIFIC3
3A13 D8
3A14 D9
3A15 F9
B
3A16 F8
4A00 F3
4A01 F3
4A02 B6
4A03 D6
4A04 F4
4A05 F6
4A06 F8
5A00 E3
6A01 E9
7801-8 A2
C
7A00 E4
7A01 C6
7A02 E6
7A03 E8
7A04 F8
IA00 C7
IA03 E6
IA05 B8
IA06 C7
IA07 B6
IA08 E3
IA09 E3
D
IA10 F8
E
F
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