LENOVO LA56 Schematics CRT BOARD
5
CRT BOARD
09715-1-0112
Project Code: 91.4GV01.001
D D
4
3
5V_CRT_S0
12
C292
C292
SCD01U16V2KX-3GP
SCD01U16V2KX-3GP
CRT_R
CRT_G
CRT_B
CRT1
CRT1
16
6
1
7
2
8
3
9
4
10
5
17
VIDEO-15-127-GP-U
VIDEO-15-127-GP-U
20.20401.015
20.20401.015
SA 0909
11
DAT_DDC1_5
12
JVGA_HS
13
JVGA_VS
14
CLK_DDC1_5
15
C282
C282
SC100P50V2JN-3GP
SC100P50V2JN-3GP
2
C281
C281
SC18P50V2JN-1-GP
SC18P50V2JN-1-GP
12
DY
DY
12
SC18P50V2JN-1-GP
SC18P50V2JN-1-GP
SC100P50V2JN-3GP
SC100P50V2JN-3GP
12
C38
C38
C278
C278
DY
DY
1
12
Layout Note:
CRT I/F & CONNECTOR
Place these resistors connectorclose to the CRT-out
Ferrite bead impedance: 10 ohm@100MHz
CRT_RED23
C C
CRT_GREEN23
SA 0707
CRT_BLUE23
678
RN39
RN39
SRN150F-1-GP
SRN150F-1-GP
123
4 5
SB 1023 swap net
Layout Note:
B B
* Must be a ground return path between this ground and the ground on
the VGA connector.
Pi-filter & 150 Ohm pull-down resistors should be as close as to CRT
CONN. RGB will hit 75 Ohm first, pi-filter, then CRT CONN.
12
12
C269
C269
DY
DY
C268
C268
DY
DY
SC3P50V2CN-1-GP
SC3P50V2CN-1-GP
SC3P50V2CN-1-GP
SC3P50V2CN-1-GP
12
C270
C270
DY
DY
L7
L7
1 2
FCB1608CF-GP
FCB1608CF-GP
68.00230.021
68.00230.021
L8
L8
1 2
FCB1608CF-GP
FCB1608CF-GP
68.00230.021
68.00230.021
L9
L9
1 2
FCB1608CF-GP
FCB1608CF-GP
68.00230.021
68.00230.021
SC3P50V2CN-1-GP
SC3P50V2CN-1-GP
CN1
CN1
11
1
2
3
CRT_R
CRT_G
CRT_B
12
C271
C271
12
12
C273
C273
C272
C272
SB : pin 7 define as GND
ACES-CON10-14-GP
ACES-CON10-14-GP
20.F1180.010
20.F1180.010
4
5
6
7
8
9
10
12
Hsync & Vsync level shift
SC6D8P50V2DN-GP
SC6D8P50V2DN-GP
SC6D8P50V2DN-GP
H1
H1
HOLE276R178-GP
HOLE276R178-GP
SC6D8P50V2DN-GP
SC6D8P50V2DN-GP
SC6D8P50V2DN-GP
R219 0R2J-2-GP
R219 0R2J-2-GP
0903
CRT_HSYNC1
1
2
3
4
R220 0R2J-2-GP
R220 0R2J-2-GP
0903
H3
H2
H2
HOLE237R95-GP
HOLE237R95-GP
H3
HOLE237R95-GP
HOLE237R95-GP
SB: NO different for UMA and DIS BD
CRT_RED
CRT_GREEN
CRT_BLUE
CRT_VSYNC1
CRT_HSYNC1
CLK_DDC1_5
DAT_DDC1_5
1 2
DY
DY
SCD1U10V2KX-4GP
SCD1U10V2KX-4GP
U10
U10
1OE#
VCC
1A
2OE#
2Y
1Y
GND
2A
74AHCT2G125DP-GP
74AHCT2G125DP-GP
1 2
DY
DY
CRT_RED 23
CRT_GREEN 23
CRT_BLUE 23
5V_CRT_S0
C280
C280
SCD01U16V2KX-3GP
SCD01U16V2KX-3GP
1015 SB :change net name
5V_CRT_S0
12
C55
C55
8
7
6
5
JVGA_HSJVGA_VS
CRT_VSYNC1
1
ZZ.00PAD.N11
ZZ.00PAD.N11
1
ZZ.00PAD.921
ZZ.00PAD.921
1
ZZ.00PAD.921
ZZ.00PAD.921
A A
Wistron Corporation
Wistron Corporation
Wistron Corporation
21F,88,Sec.1,Hsin Tai Wu Rd.,Hsichih,
21F,88,Sec.1,Hsin Tai Wu Rd.,Hsichih,
21F,88,Sec.1,Hsin Tai Wu Rd.,Hsichih,
Taipei Hsien 221, Taiwan, R.O.C
Taipei Hsien 221, Taiwan, R.O.C
Title
Title
Title
01_CRT Conn
01_CRT Conn
01_CRT Conn
Size Document Number Rev
Size Document Number Rev
Size Document Number Rev
A3
A3
A3
LA46 CRT BD
LA46 CRT BD
LA46 CRT BD
Date: Sheet of
Date: Sheet of
5
4
3
2
Date: Sheet of
Taipei Hsien 221, Taiwan, R.O.C
1 1Tuesday, January 12, 2010
1 1Tuesday, January 12, 2010
1 1Tuesday, January 12, 2010
1
1
1
1
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