Ssb: Scaler Interface (A9) - Philips LC4.6E AA Service Manual

Circuit Diagrams and PWB Layouts
SSB: Scaler Interface
1 2
SCALER INTERFACE
A
FOR PDP ONLY
4871
4872
+3V3STBY
B
2872
5872
100n
7872
PCA9515DP
VCC
3871
A7 SDA_IO 3 SDA0 SDA1 6
68R
3870
A7 SCL_IO 2 SCL0 SCL1 7
C
68R
BUF_ENABLE 5 EN 1
NC NC
GND
2860 10p
1860
DLW21S
2861 10p
D
2862 10p
1861
DLW21S
2863 10p
2864 10p
E 1862
DLW21S
10p
2865
A7 TXB3+
A7 TXB3-
A7 TXBC+
A7 TXBC-
2866
10p
1863
DLW21S
2867 10p
A7 TXB2+
A7 TXB2-
TXB1+
A7
F
A7 TXB1-
TXB0+
A7
TXB0-
A7
2868 10p
1864
DLW21S
2869 10p
G
FOR LCD ONLY
3139 123 5837.1
1 2
LC4.6E AA 7.
3 4 5
TO SCALER
+5VSWI
+3V3STBY
PIXEL+_SYNC
PIXEL+_RESET
SCL_IO
SDA_IO
F870
SDA_DMA_BUS1_DISP
BU_LHT_ADJ2
F871
SCL_DMA_BUS1_DISP
2870 2871
10p 10p
BU_LHT_ADJ1
(1G50) LAMP_ON-OFF
1450
32
33
31
30
29
28
27
26
LVDSD+
POR
25
LVDSD-
24
23
LVDSCLK+
22
LVDSCLK-
21
20
LVDSC+
19
LVDSC-
18
17
LVDSB+
16
LVDSB-
15
14
F874
LVDSA+
13
LVDSA-
12
11
10
(NC) CTRL_DISP3 9
(NC) CTRL_DISP2 8
FAN_SPEED1
(NC) CTRL_DISP1 7
(NC) VDISP_2 6
(NC) VDISP2 5
POWER_OK_UP
4
3
2
1
FI-WE31P-HF-E1500
F873
PAN_VCC 5874
+12V_LCD
F872
2874 2875
10p 10p
3 4 5
31
6 7 8
PROVISION FOR
PIXEL+ MODULE
1409
F411
9
8
F412
7
6
F413
5
F414
4
F415
3
2
F416
1
F418
S9B-PH-SM3-TB-A
FOR LCD ONLY
4428 RES
3427 I428
4427 I436 BU_LIGHT_ADJ2
RES
RES
2494 +5VSWI +5VSWI
RES
3418
3416 390R 2 I444 I437
3460 BU_LIGHT_ADJ1
4445
1 RES
RES
1K0
7416
3444 I445
SI2301DS-T1
4444
3
10K
3417 2493
1K0 1u0
3886
+3V3STBY
I871
10K
FROM HERCULES
I870
3887
SC_STANDBY
7887
BC847BW
A2
10K
4887
+5V2_RELAIS_IO2
RES
FOR PDP ONLY
4888
(PDP)
I872
BUF_ENABLE
6 7 8
9 10
(NC)
FROM AUDIO
AMPLIFIER
3876 68R
2876 2879
10n 10n
3879 68R
2878 2881
10n 10n
BACKLIGHT_CTRL I860
I861
LIGHT_ON I862
I863
FAN_SPEED I864
3877 68R
NC
I865
STANDBY
PROTECT_AUDIO I866
I869
3883 68R
POWER_OK I868
2877 2883 2887 2880
10p 10p 10p 10p
5882 1u0
I867
3885 68R
2882 2885 2889
2886
10p 10p 10p
10u
9 10
11 1403 D11 I862 D11
1409 A6 I863 D11
1450 D4 I864 E11
1860 D2 I865 E11
1861 D2 I866 E11
1862 E2 I867 F8
1863 F2 I868 E11
1864 F2 I869 E11
2493 D8 I870 E7
A
2494 C6 I871 E8
2860 D3 I872 F8
2861 D3
2862 D3
2863 D3
2864 E3
2865 E3
2866 F3
2867 F3
2868 F3
2869 F3
2870 C3
B
2871 C4
2872 B2
2874 G4
2875 G4
2876 C9
2877 E8
2878 D9
2879 C10
2880 E9
2881 D10
2882 F8
C
2883 E9
2884 E7
2885 F9
2886 F9
2887 E9
2889 F9
3416 C6
3417 D7
3418 C6
3427 C6
3444 C7
3460 C7
D
3870 C3
3871 C3
1403
3876 C9
1 3877 E9
2
3879 D9
3
3883 E9
4
3885 F9
5
3886 E7
6
7 3887 E7
8 4427 C7
9
4428 C6
10
4444 C8
E
4445 C7
4871 B2
4872 B2
4887 E7
4888 F6
5872 B2
5874 G4
5882 F9
7416 C6
7872 B2
7887 E7
F
F411 B6
F412 B6
F413 B6
F414 B6
F415 B6
F416 B6
F418 B6
F870 C4
F871 C4
F872 G3
F873 F4
F874 E4
G
I428 C6
I436 C7
I437 C8
I444 C7
I445 C8
E_14710_023.eps I860 D11
210704 I861 D11
11