Philips LC4.9E Service Manual page 93

Circuit Diagrams and PWB Layouts
SSB: Scaler
1 2 3
SCALER
B8
SUPPLY FOR SCALER
A
+3V3SW
5900
+3V3_PLL
5901
+3V3_ADC
5902
+3V3_DVI
5903
B
+3V3_IO
5904 F900
+3V3_LBADC
5905
+3V3_LVDSA
5906
+3V3_LVDSB
5907
+3V3_LVDS
C
+3V3SW
7900
LF25CDT
I900 5908
1 3
IN OUT
COM
2900 2901 2902
100n 1n0 470u 16V
D
+3V3SW
5909
7901
LD1086D2T18
I902 +1V8 5910
I901
3 2
IN OUT
COM
5911
2903 2904
100n 47u 16V
E
F
G
H
3139 123 6141.1
1 2 3
LC4.9E AB 7.
4 5 6
+3V3_IO
F901
2905 2906 2907 2908 2909 2910 2911 2912 2913
100u 100n 100n 100n 100n 100n 100n 100n 100n
16V
+3V3_IO
GM1501-LF-BD
IO_3.3
D_GND
I905
F903
2930 2931 2932 2933
100n 100n 100n 100n
+2V5_DDR
TO DIGITAL-IO (SCART ONLY)
SCL_DVI N4
SDA_DVI N3
RXC+IN A6
RXC-IN B6
RX0+IN A8
RX0-IN B8
RX1+IN A9
RX1-IN B9
RX2+IN A10
+1V8_ADC
RX2-IN B10
B11
+1V8_DVI
+1V8_CORE
7801-7
GM1501-LF-BD
CTRL
3900 3K3 I904
AC16
OEXTR PPWR|GPIO_08
FAN_SPEED C26
PWM0|GPIO_10 PBIAS|GPIO_09
DCLK|GPIO_17
HD_FILTER C25
PWM1|GPIO_11 PWM2|GPIO_12
4 5 6
93
7 8
+1V8_CORE
F902
2914 2915 2916 2917 2918 2919 2920 2921 2922 2923 2924
100n 100u
100n 100n 100n 100n 100n 100n 100n 100n 100n
16V
+1V8_CORE
7801-13
SUPPLY
CORE_1.8
D_GND D_GND
+1V8_DVI +3V3_DVI
F904
2934 2935 2936 2937 2938 2939
47u 16V 100n 100n 100n 100n 100n
7801-2
GM1501-LF-BD
DVI_1.8 DVI DVI_3.3
DVI_SCL|GPI_07
DVI_SDA|GPI_08
RXCp
RXCn
RX0p
RX0n
RX1p
RX1n
RX2p
RX2n
REXT
DVI_GND
I906
+3V3STBY
TO MUX-SYNC INTERFACE
3901 3902 2953
100n
ADC RES
RES
&
TO COLUMBUS HERCULES
AVSYNC
FROM DC-DC CONVERTER
AHSYNC
SCL 3903
SDA
3904
A26 PANEL-PWR-CTL
SOG
B26 LAMP_ON_OFF
R_PR+
AC7 R_PR-
NC
I903
D26 BU_LHT_ADJ2 G_Y+
(RES) G_Y-
B_PB+
B_PB-
TO TOP CONN.
7 8
9 10 11
7801-14
GM1501-LF-BD
NC
A1 AC17
NC NC
2925 2926 2927 2928 2929 C5 K3
NC NC NC NC
100n 100n 100n 100n 100n
D5 F1
NC NC
+3V3_LBADC
2940 2941
100n
47u 16V
7801-3
GM1501-LF-BD
ADC
KEYBOARD
4900 RES C12
LBADC_IN1
(RES) B12
LBADC_IN2
(RES) A12
LBADC_IN3
D12
LBADC_RETURN
2942
100n LBADC_GND
7801-10
GM1501-LF-BD
DISPLAY PWR
+3V3_LVDS
F905
AD19 AE17
LVDSA_GND_1 VDDD33_LVDS
+3V3_LVDSA
F906
AC19 AC22
LVDSA_GND_2 LVDSA_3.3_3
2945 2946 2947
AC20 AC21
LVDSA_GND_3 LVDSA_3.3_2
22u 16V 100n 100n
AC13 AD20
LVDSB_GND_1 LVDSA_3.3_1
+3V3_LVDSB
F907
AC14 AC12
LVDSB_GND_2 LVDSB_3.3_3
2952
AC15 AD13 2950 2951
LVDSB_GND_3 LVDSB_3.3_2
22u 16V 100n 100n
AD17 AD12
VSSD33_LVDS LVDSB_3.3_1
+1V8_ADC +3V3_ADC
F908
F909
2954 2956 2957 2958 2959
2955
100n 100n 100n 100n 100n
22u 16V
7801-1
GM1501-LF-BD
ANA-IN
ADC_1.8 ADC_3.3
L3
AVSYNC
L4
AHSYNC
100R N2
VGA_SCL|GPI_05
N1
100R
VGA_SDA|GPI_06
C3
SOG
D2
REDp
D1
REDn
C2
GREENp
C1
GREENn
B2
BLUEp
B1
BLUEn
ADC_AGND ADC_DGND
F910
9 10 11
12
2900 C2 I905 C4
2901 C2 I906 E6
B8 2902 C3
2903 E2
2904 E3
2905 A4
2906 A4
2907 A5
2908 A5
A
2909 A5
2910 A5
2911 A6
2912 A6
2913 A6
2914 A6
2915 A6
2916 A7
2917 A7
2918 A7
2919 A8
2920 A8
B
2921 A8
2922 A8
2923 A9
2924 A9
2925 A9
2926 A9
2927 A9
2928 A10
2929 A10
2930 C5
2931 C6
C 2932 C6
2933 C6
2934 C8
2935 C8
2936 C8
2937 C8
2938 C8
2939 C9
2940 B10
2941 B10
2942 C10
2949
2948 100n 2945 D11
100n D
2946 D11
2947 D11
2948 D12
2949 D12
2950 D11
2951 D11
2952 D12
2953 E9
2954 E9
2955 E10
2956 E11
2957 E11
E
2958 E11
2959 E12
3900 F5
3901 E8
3902 E9
3903 F9
3904 F9
4900 B9
5900 A2
5901 B2
5902 B2
F 5903 B2
5904 B2
5905 B2
5906 C2
5907 C2
5908 C3
5909 D3
5910 E3
5911 E3
7801-1 F10
7801-10 C10
7801-13 B6
G
7801-14 A11
7801-2 C7
7801-3 B11
7801-7 F6
7900 C2
7901 D2
F900 B2
F901 A4
F902 A7
F903 C5
F904 C8
F905 D11
H
F906 D11
F907 D11
F908 E9
F909 E10
F910 G10
I900 C2
I901 E2
G_15351_008.eps
I902 E2
080906
I903 G7
I904 F5
12