Philips LC3141 Support Question
Philips LC3141 Support Question
Find answers below for this question about Philips LC3141 - bSure XG1 XGA LCD Projector.Need a Philips LC3141 manual? We have 1 online manual for this item!
Question posted by mrandmrsjones1981 on August 23rd, 2012
Philips Xg1 Lc3141 Projector
Projected picture is OK at periphery but has large yellow-tinged square at centre. Has the lamp gone?
Current Answers
Answer #1: Posted by lewl1 on August 23rd, 2012 5:13 AM
lewl1
Member since:
August 22nd, 2012 Points: 358,364
Member since:
August 22nd, 2012 Points: 358,364
http://geekswithblogs.net/lorint/archive/2006/08/24/89071.aspx
this article may help you
this article may help you
Related Philips LC3141 Manual Pages
Service Manual - Page 1
...a servicer who uses a service procedure or tool which should be used when and as Philips. in the parts list and enclosed within a broken line* (where several critical components... safety characteristics are effective methods of all liability.
* Broken Line
Portable LCD projector
LC3131 LC3141
bSure SV1 / XG1
Contents
1. The service procedures recommended by the service method selected.
** ...
Service Manual - Page 3
... 4-1
3.
Be careful not to the keyboard. Remove screw "I SSB Board
CL 266450004_051.eps 240402
2.
Now the bottom shield can be lifted off. D
D
4-2 LC3131/LC3141
5. Fig. 5
F
F
F
CL 266450004_049.eps 240402
H
H
E Fig. 4
G
G
Fig. 6
G
CL 266450004_050.eps 24402
CL 266450004_048.eps 240402
4.2 Panel removal and service position
1. B A
Fig. 1
CL 266450004_044.eps 230402...
Service Manual - Page 4
...230402
Fig. 18
5. If after a repair the fan's go to remove the lamp supply (Fig. 14).
Lamp Supply
Q
Fig. 11
N
CL 266450004_055.eps 240402
4.3 Engine and power supply ...4-4 LC3131/LC3141
2. Remove screws "P" to the SSB.
Mounting of PCS fan (See Fig. 15). N Filter Holder LCD Fan
Fan Bracket
LC3131/LC3141 4-3
6. To operate the projector in this for a longer time, as the LCD's will...
Service Manual - Page 6
...UV
YUV
VIDEO
µPROC.
Y
RGB
CVLIDOECOK PGREONC. S4 SCALER / FRAMEBUFFER / MICROPROCESSOR
LC3131/LC3141 5-3
7510
7511
AM29LV800
CY62127 7501
+
FLASH ROM S5 RAM ST24E16
EEPROM
7300 PW166
SDA SCL...
CL 26645004_031.eps 160402
PROTECTION CIRCUITS
SSB Lamp Lit
Lamp on
Temp
Temp switch
standby standby sense µP
standby
Lamp fan stop LCD fan stop
PCS fan stop DF(dustfilter...
Service Manual - Page 7
to PSB to SSB
Lamp supply board 1902 +300V 1
2
3 Lamp Lit 2 1
Lamp EN
Control
Lamp is on Start
LC3131/LC3141 5-5
5-6 LC3131/LC3141 DRIVE PROCESSING
Supply
Lamp
D8
I2C3 D5
I2C
Microprocessor
STRB3
Sub-sampling
R
RDA GDA BDA
D3
Gamma
D6
Sub-sampling G
D5
LCD R
Clock driver (level conversion)
D6
LCD G
Clock driver (level conversion)
POWER SUPPLY BOARD
K4
100- 2
250V...
Service Manual - Page 8
...
HD 124 VD 125
RGB
Correction Data
3V3
3 21 DDG0-9 34 45 DDB0-9 58 95 DDR0-9 108
LC3131/LC3141 5-7
Serial Interface
5
6
7
1
SCS SDATA SCLK
3V3
D4
7150 L3EO2090FOA
1
HDDRB
9
Horizontal Count
VDDRB
10...3 29 RVID 5 27 RVID 7 25 RVID 9 23 RVID 11
7260 L3EO6060 (only XGA)
FRPR 14 2
11
Inverter
+15V +3V3
To the LCD
24 16
SH1 DAC
33 RVID 2
SH2 DAC
31 RVID 4
SH3 DAC
29 RVID 6...
Service Manual - Page 10
Diagrams & PWB layouts
LC3131/LC3141 6-1 ?
1
2
3
4
5
6
7
8
9
10
11
12
13
14
BLOCK ...
1 2 3
DUST FILTER 53261-SMD
1913 53261-SMD
1 2 3 4
LCD FAN 1910
53261-SMD
1 2 3 4
MAIN FAN
PCSFAN(1) PCSFAN(2) PCSFAN(3)
LAMPDRVCTERL(1) LAMPDRVCTERL(2) LAMPDRVCTERL(3) ...LAMPDRVCTERL(4)
1911 53261-SMD
1
2
3
PCS FAN 1902 53261-SMD
1
2
3
4
LAMP DRIVER CONTROL
1210 D1
1300-A J1
A 1300-B H1
1300-C I1
1300-D H1
1300-E...
Service Manual - Page 14
...
*11
13
*3511
470R
7
*
3V3F
3514 3K3 3513 1K
RESETSW NMI
*
2506 1p
3505 3K3
3500 3K3
DIGITAL DELAY
2500 100n
7503 DS1708
4 IN
T.C. LC3131/LC3141 6-5
1 A
B C
5V 3V3PW
3V3
3V3F
D
E
F G H
I
J
K
L
M
N
O
O
P
P
CL 26645004_017.eps 230402
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
PCS 107 379...
Service Manual - Page 17
LC3131/LC3141 6-8
1
2
3
4
5
6
7
A
AUDIO CONTROL / AMPLIFICATION
B
C
D E
F
*
G
H
I
J
K
USBAUDIO
L
3842 10K
-5V
15V
14V
*3998 100R
* 3999 100R 5V
2846 100n
5804
**
5810
2850 100n
** -5V
* 16 7810-A
*
11
Vdd S
...
Service Manual - Page 18
LC3131/LC3141 6-9
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
2142 L19 5916 C12
A
FAN CONTROL
FAN SENSE
2716 B14
A 2900 C19
5918 C7 5920 C12
2902 C4
5922 C7
2904 C10 5924 C12
CONNECTORS
B
MAINFAN(1:3)
LAMP
5V1
5V1
5V1
LAMPDRVCTRL(1:4)
SCL5
FAN DRIVER
SCL5
7902
C
SDA5
SDA5
14V
5912...
Service Manual - Page 19
LC3131/LC3141 6-10
1 A B C D E F G H I J K L M N O P
1
2
3
4
5
6
7
8
9
HDDATA SWITCH/DDC
5V 3V3VD
3014 330R
3040 330R
5V
BC857C 7014
3058 330R
75R 3054
75R 3030
75R 3006
DATA-IN
DATAIN(1)
DATAIN(1) ...
Service Manual - Page 20
LC3131/LC3141 6-11
1
2
3
4
5
6
7
8
9
110
11
12
3
14
15
16
17
18
USB
A
B
5VSTBY
C D E F G H I 3138-D I7
3144-A I8
3144-B I8
3144-C I8
3144-D I8
J 5961
E17
6100
H3
...
Service Manual - Page 25
...3069 M8
H 3070 L9
5050 C4
5051 C12
5052 I9
7050 H6
I J K L M N O P
1
LC3131/LC3141 6-16
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
GAMMA CORRECTION...-A 74LVC86 14
1 3
2
3066 100R
7
* 3070
7052-D
10M
74LVC86 14
12
11
3067
13 100R
3069 7
4K7
XGA
2064 1p
2063 1p
2062 1p
2061 1p
DGE(0) DGE(1) DGE(2) DGE(3) DGE(4) DGE(5) DGE(6) DGE(7) DGE(8) DGE(9)
7051...
Service Manual - Page 27
...J K L M N O P
1
LC3131/LC3141 6-18 ?
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
LCD DRIVE RED
3V3DRB
3V3D
15V5A
5250
2250
15V
5251...22R
5256 5258
2285 100n 2278 100n
15V5D RR15V5
RDY RCLYN RCLY RNRG
R15V5 R15V5
RCLXN RCLX RDX RENBX2 RENBX1 RDIRX
RNRS1 RLCCOM RDY RDIRY
XGA
SVGA
1670 30
3 4250-C 6
29
2 4251-B 7
RCLY
2 4250-B 7
28
3 4251-C 6
RCLYN
1 4250-A 8
...
Service Manual - Page 28
...H I J K L M N O P
1 PCS 107 393
LC3131/LC3141 6-19
2
3
4
5
6
LCD DRIVE GREEN
3V3DRB
3V3F
15V5E
5350
2350
15V
5351
15V5E 2354
3354 1) 4K7...2
2)
3V3G
6 3370-C 3
3V3G
5 3370-D 4
3V3G
8 3370-A 1
2K2
2379 100n 2380 100n 2381 100n
2)
1) ONLY SVGA 2) ONLY XGA
*) RESERVED
2
3
4
5
6
7
8
9
10
11
12
13
14
15
3V3DRB
A
5V G15V5
*)
2352 10u
5357 5352
2355 100n
5353...
Service Manual - Page 29
LC3131/LC3141 6-20
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
1872 H13 4450-A F12
A
LCD DRIVE BLUE
3V3DRB
3V3H... NRSB
SW SW
NRS 22
GND 12 2
DGND 37 23 48
2265 1u
BDY BCLYN BCLY BNRG
BB15V5 B15V5
BCLXN BCLX BDX BENBX2 BENBX1 BDIRX
XGA
1 4450-A 8 2 4450-B 7 3 4450-C 6 4 4450-D 5 4 4452-D 5 3 4452-C 6 2 4452-B 7 1 4452-A 8 1 4454-A 8 4 4454-D 5 3 4454-C 6
SVGA
1872 30...
Service Manual - Page 44
... the top holes of the LCD panel. after replacing the
D
F
LCD fixation screws by removing the 4 screws (F) (page 8.1).
LC3131/LC3141 8-1
8-2 LC3131/LC3141
B
C
8.5 Convergence alignment
In the standard configuration the convergence cannot be done after
replacing an LCD), this can use a white picture (LCD panels not connected), and check for a red or yellow bar at the sides...
Service Manual - Page 45
...LC3141 8-3
9-1 LC3131/LC3141
Mechanical parts
9. This is better to be loosed so that the picture is within specification (< 1 pixel), carefully fix the screws (H), to the vertical lines of the original. If the movement is correct. Now carefully push the LCD panel down, keeping the sides parallel, until the picture...Module 1006 $ Lamp Supply 132W SV1 1006 $ Lamp Supply 150W XG1
3122 437 ...
Service Manual - Page 46
...
3122 126 40770 3122 126 40760 3122 126 40370
LC3131/LC3141 9-2
1
14 13
9-3 LC3131/LC3141
16 4 21 33 20 33 14
Optical parts
11... board XGA
3122 438 51030
1004 Small signal board
3122 438 51150
1006 $ Lamp supply 132W SV1 9137 001 48403
1006 $ Lamp supply 150W XG1 3122 438...40430
(Reco Unit Without LCD's)
Flange
3122 434 01660
Adjust Plate Bottom 3122 431 35390
Projection Lens F1,8 3122 ...
Service Manual - Page 48
...4822 157 71206 7000 IC AD8183ARU
9322 165 01668 1771 LCD 30 pin
4822 267 10666
4822 157 71206 7002 BC847C
5322 130 42755 1872 LCD 30 pin
4822 267 10666
4822 157 71206 7004 ...59812
4822 157 71206 7108 PDIUSBH11AD
9352 589 10118 2056 0603 50V 100NP80M 2238 586 59812
PCS 107 425 LC3131/LC3141 9-6
3341 3342 3401 3403 3404 3410 3414 3416 3420 3424
100R00 5% 0,062W 4822 051 30101 3728
100R00...
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