Philips LC3141 - bSure XG1 XGA LCD Projector Service Manual page 27

1 2 3 4
LCD DRIVE RED
A
3V3D
3V3DRB 15V5A
2250
5250
5251
10u
2254
15V 15V5A
B
3254
10u
4K7 2260
1)
7250 100n
L3E06060D0A 16 38 17 24 28 32
DVCC AVCC
2 DB0
2-STAGE
DAC
3 DB1
C LATCH
10 10
4 DB2
5 DB3
2-STAGE
DAC
LATCH
10 10
6 DB4
7 DB5
10 10
2-STAGE
DAC
8 DB6
D LATCH
10 10
9 DB7
10 DB8
2-STAGE
DAC
10 LATCH
10
11 DB9
DDR(0:9)
44 CLK
2-STAGE
E DAC
42 STSQ
10 LATCH 10
43 XFR
3255 4K7 2)
12 E|O
2-STAGE
DAC
LATCH
10 10
13 R|L
18 STBY
2264
BIAS
19 BYP
F
TEST1 39
100n
36 VREF
TEST2
SCALING
21 VMID1 CONTROL
TEST3 41
14 INV
35 VMID2
DGND AGND
G
15 34 30 26 22 20 37
3V3E
3V3DRB 15V5B
H 2)
2269
5254 F764
2) 2)
5255 2)
2272 10u
15V 15V5B
10u
2275 2)
I
7260 100n
L3E06060D0A 16 38 17 24 28 32
DVCC AVCC
2 DB0
2-STAGE
DAC
3 DB1
LATCH
10 10
4 DB2
5 DB3
J
2-STAGE DAC
LATCH
10 10
6 DB4
7 DB5
10 10
2-STAGE
DAC
8 DB6
LATCH
10 10
9 DB7
10 DB8
K
2-STAGE
DAC
LATCH
10 10
11 DB9
DDR(0:9)
44 CLK
2-STAGE
DAC
42 STSQ
LATCH
10 10
43 XFR
12 E|O
L
2-STAGE
DAC
LATCH
10 10
13 R|L
18 STBY
2277
19 BYP BIAS
2)
TEST1
100n 36 VREF
TEST2 40
SCALING
21 VMID1
M CONTROL
TEST3
14 INV
35 VMID2
DGND AGND
15 34 30 26 22 20 37
2) 2)
N
2)
1) ONLY SVGA
2) ONLY XGA
O
) RESERVED
*
P
1 2 3 4
LC3131/LC3141
5 6 7 8 9
3V3DRB
5V R15V5
* )
2256 100n
2257 100n
2259 100n
2261 100n
2263 100n
1 13 24 36 46
7251
VCC VDD1 VDD2
L3E01030F0A
VID1 33 10 DYIN
INVERTED LEVEL SHIFT
9 CLYIN
LEVEL SHIFT
VID2 31 INVERTED LEVEL SHIFT
5 DIRYIN
LEVEL SHIFT
INVERTED LEVEL SHIFT
VID3 29 4 ENBY1IN
INVERTED LEVEL SHIFT
3 ENBY2IN
INVERTED LEVEL SHIFT
VID4 27
8 DXIN
INVERTED LEVEL SHIFT
7 CLX1IN
LEVEL SHIFT
3250
VID5 25
INVERTED LEVEL SHIFT
22R
6 CLX2IN
LEVEL SHIFT
VID6 23 3251 INVERTED LEVEL SHIFT
17 ENBX1IN
-SVGA
22R INVERTED LEVEL SHIFT
IR-XGA 16 ENBX2IN
INVERTED LEVEL SHIFT
15 ENBX3IN
2K2
INVERTED LEVEL SHIFT
3252-A
8 14 ENBX4IN
1
3V3D INVERTED LEVEL SHIFT
3252-B
40 7 11 NRGIN
2
3V3D
INVERTED LEVEL SHIFT
3252-C
6 3 18 DIRXIN
3V3D
LEVEL SHIFT
3252-D
NC 1 5 4
INVERTED LEVEL SHIFT
2K2
19 NRSC
20 NRSA SW
SW
21 NRSB
GND DGND
12 2 37 23
15V5D 15V5D
2273 100n
2)
1)
2274 100n
6
2)
2 7252-A
2276 100n
2) BC847BPN
1
4
BC847BPN
5 7252-B 5
VID1 33
3
1)
VID2 31 15V5D
1)
6
VID3 29 2 2
7256-A
BC847BPN
1
4
BC847BPN
VID4 27
5 7256-B
3
VID5 25
RR15V5
VID6 23
7261-A
3
8
LM358D
3268
1
22R
2
2K2 2)
4
3270-A
8 15V
39 8 1
3V3E
3270-B
7 2
3V3E
RR15V5
3270-C
1
41
6 3
3V3E
3270-D 7261-B
NC 1 5
4 5 8
LM358D
2K2 3273
7
22R
6
4
5 6 7 8 9
?
6-18
10 11 12 13
2252 10u
2255 100n 5253
15V R15V5
2258 100n
2262 100n
47
DY 43
CLY 41
CLY_ 42
DIRY 26
DIRY_ 25
ENBY1 44
ENBY2 45
DX 33
CLX1 34
CLX1_ 35
XGA
SVGA
CLX2 38
1670
CLX2_ 39
30
RDY
ENBX1 29
29
3 4250-C 6 2 4251-B
RCLYN
ENBX2 30
28
2 4250-B 7 3 4251-C
RCLY
2919
ENBX3 31
27
1 4250-A 8 4 4251-D
RNRG
ENBX4 32 1u
26
4 4250-D 5 1 4251-A
R15V5
NRG 40
25
1 4252-A 8 1 4253-A
R15V5
DIRX 27
24
3 4252-C 6 3 4253-C
RCLXN
DIRX_ 28
23
2 4252-B 7 2 4253-B
RCLX
22
4 4252-D 5 4 4253-D
RDX
NRS 22
21
1 4254-A 8 1 4255-A
RENBX2
20
2 4254-B 7 2 4255-B
RENBX1
19
3 4254-C 6 3 4255-C
48 RDIRX
18
4 4254-D 5 4 4255-D
17
22R 3284-D
5 4 1 4257-A
RVID(1)
16
22R 3288-A 1
15V5D 15V5D 8 2 4257-B
RVID(2)
15
22R 3284-B
7 2 3 4257-C
RVID(3)
14
3284-A
22R 8 1 4 4257-D
RVID(4)
1) 13
22R 3286-D 4 3285-A
6 5 1
RVID(5)
2 7253-A
3286-C 12 3285-B
22R 6 3 2
BC847BPN RVID(6)
1
1) 3286-B 11 3285-C
22R 7 2 3
4
RVID(7)
BC847BPN
22R 3286-A 1 10 3285-D
8 4
7253-B RVID(8)
3 9
RVID(9)
1)
8
22R 3288-D
5 4 1 4261-A
RVID(10)
7
22R 3288-C 3
15V5D 6 2 4261-B
RVID(11)
6
22R 3288-B 2
7 3 4261-C
1) RVID(12)
1) 5
6
RNRS1
7257-A
4
1 4262-A 8 1 4263-A
BC847BPN RLCCOM
1)
1
3
2 4262-B 7 2 4263-B
4
RDY
BC847BPN
2
3 4262-C 6 3 4263-C
5 7257-B RDIRY
3 1
4 4262-D 5 4 4263-D
1)
3284-C
22R 6 3 4 4261-D
5256
15V5D
5258
RR15V5
10 11 12 13
14 15 16 17 18
7
RCLY
6
RCLYN
5
R15V5
8
RNRG
8
RDIRY
6
RLCCOM
7
RENBX1
5
RENBX2
8
RDIRX
7
RCLX
6
RCLXN
5
RDX
8
RR15V5
7
6
5
8 22R
RVID(1)
7 22R
RVID(3)
6 22R
RVID(5)
22R
5
RVID(7)
8
RVID(11)
7
6
RLCCOM
8
RNRS2
7
6
5
RDY
5
CL 26645004_005.eps
150502
14 15 16 17 18
1670 H13 4250-A F13
2250 B4 4250-B F13
A
2252 B10 4250-C F13
2254 B3 4250-D F13
2255 B10 4251-A F14
2256 B5 4251-B F14
2257 B8 4251-C F14
B
2258 B10 4251-D F14
2259 B5 4252-A F13
2260 B3 4252-B G13
2261 B8 4252-C G13
2262 B10 4252-D G13
C
2263 B5 4253-A F14
2264 F3 4253-B G14
2266 G2 4253-C G14
2267 G3 4253-D G14
2268 G3 4254-A G13
D
2269 H4 4254-B G13
2272 I3 4254-C H13
2273 I5 4254-D H13
2274 I5 4255-A G14
E
2275 I3 4255-B G14
2276 I5 4255-C H14
2277 M3 4255-D H14
2278 M10 4257-A H14
2279 N2 4257-B H14
F
2280 N3 4257-C H14
2281 N3 4257-D I14
2282 N9 4261-A J14
2283 L7 4261-B J14
2284 N7 4261-C J14
G
2285 M10 4261-D L14
2919 F11 4262-A K13
3250 E6 4262-B K13
3251 E6 4262-C K13
3252-A F6 4262-D K13
H
3252-B F6 4263-A K14
3252-C G6 4263-B K14
3252-D G6 4263-C K14
3254 B3 4263-D K14
I 3255 E2 5250 B3
3256 I7 5251 B3
3257 I9 5252 B8
3258 J7 5253 B11
3259 J8 5254 H3
J
3260 J9 5255 H3
3261 J10 5256 M10
3262 J7 5257 B8
3263 J8 5258 M10
3264 J9 7250 E4
K
3265 J10 7251 E9
3266 K7 7252-A I8
3267 K9 7252-B I7
3268 L9 7253-A I10
3269 M9 7253-B I9
L
3270-A M6 7256-A K7
3270-B M6 7256-B K8
3270-C M6 7257-A K9
3270-D M6 7257-B K10
M 3273 N9 7260 K4
3284-A I13 7261-A L8
3284-B H13 7261-B N8
3284-C L13
3284-D H13
N
3285-A I14
3285-B I14
3285-C I14
3285-D I14
3286-A I13
O
3286-B I13
3286-C I13
3286-D I13
3288-A H13
3288-B J13
P
3288-C J13
3288-D J13
PCS 107 392