Philips LC4043 Service Manual

1-1 LC4043
1. Safety guidelines
IMPORTANT SAFETY NOTICE
Portable LCD projector
Proper service and repair is important to the safe, reliable operation of all Philips Consumer Electronics Company** Equipment. The service procedures recommended by Philips and described in this service manual are effective methods of performing service operations. Some of these service operations require the use of tools specially designed for the purpose. The special tools should be used when and as recommended.
It is important to note that this manual contains various CAUTIONS and NOTICES which should be carefully read in order to minimize the risk of personal injury to service personnel. The possibility exists that improper service methods may damage the equipment. It also is important to understand that these CAUTIONS and NOTICES ARE NOT EXHAUSTIVE. Philips could not possibly know, evaluate and advise the service trade of all conceivable ways in which service might be done or of the possible hazardous consequences of each way. Consequently, Philips has not undertaken any such broad evaluation. Accordingly, a servicer who uses a service procedure or tool which is not recommended by Philips must first satisfy himself thoroughly that neither his safety nor the safe operation of the equipment will be jeopardized by the service method selected.
** Hereafter throughout this manual, Philips Consumer Electronics Company will be referred to as Philips.
WARNING
Critical components having special safety characteristics are identified with an!by the Ref. No. in the parts list and enclosed within a broken line* (where several critical components are grouped in one area) along with the safety symbol
Use of substitute replacement parts which do not have the same specified safety characteristics may create shock, fire, or other hazards.
Under no circumstances should the original design be modified or altered without written permission from Philips. Philips assumes no liability, express or implied, arising out of any unauthorized modification of design. Servicer assumes all liability.
* Broken Line
on the schematics or exploded views.
!
LC4043/17/40
Hopper XG20
Contents Page
1. Safety guidelines 1-1
2. Specifications 2-1
3. Warnings & Notes 3-1
4. Mechanical instructions 4-1
5. Block diagrams, Wiring diagram & Oscillograms 5-1
6. Diagrams & PWB layouts 6-1
7. Directions for use 7-1
8. Alignments 8-1
9. Parts lists 9-1
PCS 92 688 GB
Published by Consumer Electronics Printed in The Netherlands©Copyright reserved Subject to modification
PCS 92 687 GB
g 3122 435 40160
2. Specifications
LC4043 LC4043
2-1 3-1
3. Warnings & Notes
Technical specifications
LCD
Brightness Contrast Lamp
Lens
Specifications
Dimensions : 315 x 109 x 254 mm (WxHxD); 9 dm
Weight Nett. : 5,5 kg /ca 12 lbs. Package : Hopper XG20
Model
3x 0.9" HT Poly Silicon Active Matrix
:
2,359,296 pixels, RGB stripe
:
1000 ANSI Lumen
:
200:1 (Black/White)
:
UHP 120 compact; End user
:
replaceable, up to 4000 hours F1.8 - 2.2; f= 38-50 mm
:
Manual zoom x1.3; Manual focus
:
Projection distance 1.1 - 11 m;
:
Diagonal (44-440)” Longest life and “virtually” constant
:
light output over entire lamp life projection lamp Philips LIMESCO
:
matic Multi Scan data input handling, VGA up to SXGA resolutions to full screen (Frame Buffer) Intuitive graphic user interface for
:
ease of use Full PC control via ergonomic trackball
:
RC unit Fully Plug and Play compatible
:
(DDC 1/2b) Line doubling technology for perfect
:
video
performance : Low noise ventilation : Ceiling mount (Full Mirror) / Standby
:3
: Lens-cap : VGA cable (2m) + programmable MAC
adapter :
Mouse cable set (2m, 8 pin Mini DIN to
RS232; 2m, 8 pin Mini DIN to 4 pin
Mini DIN Apple MAC (ADB)) :
Audio Video Cinch Cable
(2m, Video/Audio stereo) :
Scart adapter; scart to RCA video and
stereo audio :
Power cord (3m) :
Remote control + 3x AA batteries +
mouse driver floppies :
Projector Carrying Bag :
DFU (8 languages) :
LC 4043/40
LC 4043/17
TM
inside for full auto-
Input/Output Capability
INPUT SIGNALS
Video Data
Power In
INPUT CONNECTIONS
Video
Data
Mains
OUTPUT CONNECTIONS
Audio
NTSC 3.58, 4.43/PAL-BG, N, M/Secam
:
PC and MAC compatible, Multi scan
:
VGA, SVGA, XGA, SXGA via LIMESCO full screen S VGA display (Frame Buffer); Auto Identification; Hor. scan rate up to 90 kHz; Vert. refresh rate up to 85 Hz. 120-240 V(Full range); 50/60 Hz;
:
160 W
S-Video (Y/C DIN);Video (Cinch);
:
Stereo Audio (2x Cinch) Mini sub-D data (15 pin)/PC,
:
Stereo Audio (M3,5 stereo jack) / Serial mouse (RS232 and ADB) Mains input socket (3 pin)
:
Stereo Audio (M3,5 stereo jack)
:
Special features
1000 Ansi Lumen
Quiet - a quarter of the noise of current projectors
• (Sound Pressure Level 33 decibels)
Manual zoom / focus
Ceiling mountable
Auto Voltage - automatic worldwide compatibility
Best picture performance - 1000 Ansi Lumen, longest brightness over time, 85% picture homogeneity
Philips LIMESCO inside for full automatic Multi Scan data input handling, VGA up to SXGA resolutions without information loss.
Philips UHP Lamp; 120W up to 4000 hours, lamp life with ”virtually” constant light output for a perfect picture quality
Philips Total Assurance:
-
reliability
-
robust design
-
free technical support. (toll-free)
TM
(LIne MEmory Scan COnverter)
Warnings
1.
Safety regulations require that the unit should be returned in its original condition and that components identical to the original components are used. The safety components are indicated by the symbol
!.
2. ESD
All ICs and many other semiconductors are sensitive to electrostatic discharges (ESD). Careless handling during repair can drastically shorten the life. Make sure that during repair you are connected by a pulse band with resistance to the same potential as the earth of the unit. Keep components and tools also at this same potential.
3. When repairing a unit, always connect it to the mains voltage
via an isolating transformer. The lamp supply and the lamp housing are not mains isolated.
4. Be careful when taking measurements in the high-voltage
section.
5. Never replace modules or other components while the unit is
switched on.
6. When making settings, use plastic rather than metal tools.
This will prevent any short circuits and the danger of a circuit becoming unstable.
7. After repair the wiring should be fastened once more in the
cable clamps for this purpose.
8. In order to prevent measuring errors, the heat sinks should
not be used as reference points for measurements.
9. The Lamp house and the lamp get hot during operation.
Please ensure that they are cooled down before servicing.
10. The lighthouse (optical part) is extremely sensitive to dust.
This part should only be opened in a dust-free environment (class 100 according to the US federal standard 209).
Notes
1.
The direct voltages and oscillograms should be measured with regard to earth (4), or hot earth (
) as this is called.
5
2. The direct voltages and oscillograms shown in the diagrams
should be measured:
For testpoints Txxxx VIDE;
• using a video colour bar. For testpoints Txxxx DATA;
• using a data greyscale. For testpoints Txxxx DRB;
• using an internal greyscale. For testpoints Txxxx AUD;
• using an audio signal of 1 kHz.
3. The semiconductors indicated in the circuit diagram and in the
parts lists are completely interchangeable per position with the semiconductors in the unit, irrespective of the type indication on these semiconductors.
PCS 92 689 GB PCS 92 690 GB
LC4043 LC4043
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7010
6010
6011
5001
5006
5010
5011
3411
3414
3415
3430
3406
3012
3013
3
014
2406
2413
24142415
2430
2482
3011
20
20
2412
2001
2006
2010
2011
2012
2013
2014
9412
9
4
10
9
411
9245
7405
7231
7245
7221
3405
3407
2501
7650
9250
9251
7493
7607
7611
7350
7320
7211
5350
5495
647
6
6477
5320
3469
3494
36053606
3282
3320
3321
3325
3468
3493
2350
2477
2494
2503
2628
2235
223
6
2282
2283
2320
9532
9533
9548
9549
9581
9650
9529
9531
7625
7620
7590
7536
5501
5590
3625
3628
3632
3633
3634
3637
5500
3
6
2
4
3607
3608
3609
3611
3612
3613
362
0
35393540
3541
3542
3543
3544
3537
3538
2637
3501
2612
2619
2624
2625
2632
2590
2608
2538
2539
2541
254
3
9524
9526
9565
9566
9580
9670
7615 7610 7 605
3593
2
5
5
8
259
5
2596
9130
7436
9127
9128
9129
7248
7433
7434
7435
3437
3443
3444
5416
6436
3297
3298
3299
3412
343334343435
3436
6437
2416
2437
9438
9249
7491
7606
7
4
3
8
7247
5493
5606
3491
3492
3438
3276
3278
3
2
8
0
32
88
3289
3261
3262
3263
3264
3265
3272
3274
3
260
2606
3241
3
2
4
2
3
2
4
3
3
2
4
4
2492
2493
2258
2260
2261
2265
2257
94509451
9452
9480
7645
7487
7478
7
470
7473
74747475
7
4
7
6
7455
7445
7290
5456
5639
5653
3477
3478
365
0
5242
3
4
7
0
3473
34743475
3476
3452
3455
3461
3293
3
4
4
5
3
4
4
6
3447
3451
3454
3283
3286
3287
3292
2618
2644
2650
2653
2487
2495
2452
2453
24542455
2456
2470
2242
2286
2287
2446
9680
9535
9537
9538
9567
7685
7683
7653
7680
5690
5693
3692
3693
3694
5683
3684
3686
3687
3688
36893690
3691
5687
3664
3667
36803681
3651
3652
3653
3654
3662
3663
2691
26932694
2695
2680
2681
2683
2684
2687
2688
2690
2651
2654
2617
2647
2648
2649
7675
9522
3682
3683
5669
2677
2678 2679
2622
2623
2674
IOB_side_B.eps
020200
6-21 6-22
PCS 92 691 GB PCS 92 692 GB
LC4043 LC4043
+
+
+
+
+
+
+
+
+
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6-21 6-22
PCS 92 691 (blauw) GB PCS 92 692 (blauw) GB
8. Alignments
D
A
G
C
F
E
B
J
H
LC4043 LC4043
8-1 9-1
9. Parts lists - Mechanical parts
All the mirrors can be aligned, however only the mirrors mentioned below should be aligned. To place a mirror in it’s nominal position, put a 2mm wide spacer between the mirror and the lighthouse, and then fix the mirror.
8.1 Integrator 1
Put on a white picture. If dark bars are visible on the edges, then integrator 1 has to be aligned. Unscrew the 2 screws (A) on top of integrator 1, and the integrator can be moved left-right. Align for minimal dark bars, and if possible align for middle position between dark edges. If dark edges are visible in the top or bottom, adding or removing small filling plates below the bracket fixing the integrator can align this.
8.2 Mirror B
Put on a green picture. If dark bands are visible on the sides, loosen the two screws (B) fixing the mirror on top, and move the mirror till the dark bands are gone.
8.3 Mirror C
Put on a red picture. If dark bands are visible on the sides, loosen the two screws (C) fixing the mirror on top, and move the mirror till the dark bands are gone.
8.4 Mirror D1
8.8 Convergence alignment
Remove the drive board. If the set is now switched on the picture will be fully white. Any convergence error will show up as a coloured band at one side of the picture. The convergence should be aligned in such a way that the coloured bands are minimal. Please note the projector will only work for a few minutes in this position. If the projector switches off, remove the mains, plug it back in, and the projector will work again. Putting the projector is service mode will stop it from switching off. To align the convergence loosen the two torkx screws (H) at the top of the LCD-holding plate so, that you can move the holding plate with the LCD freely, but not easily. Now grab the top of the holding plate (J) with the fingers of 2 hands. Move the plate with the LCD till the convergence is optimal (no coloured band on the side). This is easiest by first getting the picture straight, then moving the picture left right and then moving the picture up/down. Always align convergence of red and blue with respect to green.
2 Light guide knobs 4822 380 10248 3 Knob set keyboard 4822 410 12096 13 Spring for foot knob 4822 492 11695 16 Cover connector side 3122 438 10890 17 Cover fan side 4822 442 01588 19 Adjustable foot 4822 462 11123 29 Zoom ring 3122 434 20890 30 Focus ring 3122 434 20720 34 Foot knob assy 4822 410 12095 37 Clip for foot 4822 401 11779 177 Zoom ring screw 4822 502 14624 1008 Top cover assy 4822 442 01815 8005 Fan for lamp (+ cable) 3122 431 01280
13 Spring for foot knob 4822 492 11695 18 Switch, mains 4822 276 14034 35 Foot rack 4822 402 11188 37 Clip for foot 4822 401 11779 152 Ring fixing foot 4822 530 70124
Put on a blue picture. If dark bands are visible on the sides, loosen the two screws (D) fixing the mirror on top, and move the mirror till the dark bands are gone.
8.5 Lens 3 green assy (polarizer green)
Put on a black picture. Loosen the screw (E) on top. Move the screw for minimal green in the picture.
8.6 Lens 3 red assy (polarizer red)
Put on a black picture. Loosen the screw (F) on top. Move the screw for minimal red in the picture.
Fig. 8.1
23 Dust filter 4822 480 10229 24 Logo Hopper 3122 438 10910 27 Rear cover 4822 426 10744 32 Door assy 3122 438 10870 33 Bottom cover 4822 442 01589 38 Rear foot 4822 462 11124 39 Foot spring rear 4822 492 11696
8.7 Lens 6 blue assy (polarizer blue)
Put on a black picture. Loosen the screw (G) on top. Move the screw for minimal blue in the picture.
40 Mains input socket 4822 264 10386 42 Thermal switch 2622 799 40275 160 Clamp for speaker 4822 401 11781 161 Clamp for lamp fan 4822 401 11782 163 Dist. piece lamp supply 4822 404 10967 189 Dist. piece powr. supply 4822 404 10968 1010 Loudspeaker 16R 2W 4822 240 10333 8005 Fan for lamp (+ cable) 3122 431 01280
Fig. 8.2
PCS 92 693 GB PCS 92 694 GB
LC4043 LC40439-2 9-3
3
29
4
17
40 22
30 10
27
20
38
37
7 32
8
33
39
41
99
97
25
34 35
98
14
45
6
43
28/51
26
42
1
16
2
8001
8001
Accessories
Cable power Usa 4822 321 10835 Cable power Euro 4822 321 11399 VGA cable 3122 438 75090 Mouse cable RS232 4822 320 11903 Mouse cable ADB 4822 320 11904 Lens cap Hopper 3122 434 20880 Scart/cinch adapter 4822 263 21202 Cable cinch A/V 4822 320 12281 Mac adapt. switch 4822 263 21201 3 x floppy’s in bag 4822 711 00021 Carrying case 3122 438 70230 DFU mouse 4822 736 16538 User guide Hopper 4822 736 16539 RC9904/01 4822 219 10531
Packaging
Carton box 4822 600 10822 Top cushion 4822 466 12083 Bottom cushion 4822 466 12084 Outer box 4822 600 10823
Lamp
Lamp LCA3108 8670 931 08090
Cables
Flat cable KB10-TR10 4822 320 12551 Flat cable V32-S32 4822 320 12552 Flat cable S30-KB30 4822 320 12553
Electrical modules
1001 4822 212 11882 Small Signal Board 1002 3122 438 50690 Interconnect 1003 3122 438 50700 XGA drive board 1004 4822 212 11884 Lamp supply 120W 1005 4822 218 11977 Power supply Hopper 1006 4822 212 11885 Mains filter panel 1007 4822 212 11886 Video input board 1001 4822 212 11887 Keyboard board 1002 4822 212 11888 Infra-red board
Engines marked “AA”
1 3122 434 10310 U-base 2 3122 434 10290 U-cover 3 3122 434 01050 M-stopper top 4 3122 437 50940 Integrator 1 assy 5 3122 431 34110 Stopper 1 6 3122 431 34120 L3 red stopper 7 3122 431 34130 Fold prism stopper 8 3122 431 34280 PBS stopper 10 3122 431 34290 L3 green stopper 14 3122 431 34180 Adjust plate 16 4822 402 11323 M stopper cosina 17 3122 431 34300 L6 stopper 20 3122 434 01060 Air guide 22 3122 434 92400 Mirror D2 25 3122 434 90450 Lens 2 26 3122 437 50820 Lens 3 red assy 27 3122 437 50830 Lens 3 green ass. 28 3122 434 90470 Lens 4 29 3122 434 90480 Lens 5 30 3122 437 50840 Lens 6 blue assy 32 3122 437 10550 PBS-integrator 33 3122 434 92340 Mirror A 34 3122 434 92350 Mirror B 35 3122 434 92360 Mirror C 36 3122 434 92370 Mirror D1 37 3122 437 50850 Dichr.prism assy 38 3122 434 91480 Folding prism 39 3122 434 94260 UV-filter 40 3122 434 94270 UV absorp filter 41 3122 437 50860 Analyzer red 42 3122 437 50870 Analyzer green 43 3122 437 50880 Analyzer blue 45 3122 434 90540 Projection lens 97 3122 430 01210 P09XG 050 red 98 3122 430 01210 P09XG 050 blue 99 3122 430 01220 P09XG 060 green 8001 3122 431 01220 Set of 2 fans
Engines marked “BB”
1 3122 434 10310 U-base 2 3122 434 10290 U-cover 3 3122 434 01050 M-stopper top 4 3122 437 50940 Integrator 1 assy 5 3122 431 34110 Stopper 1 6 3122 431 34120 L3 red stopper 7 3122 431 34130 Fold prism stopper 8 3122 431 34280 PBS stopper 10 3122 431 34290 L3 green stopper 14 3122 431 34180 Adjust plate 16 4822 402 11323 M stopper cosina 17 3122 431 34300 L6 stopper 20 3122 434 01060 Air guide 22 3122 434 92400 Mirror D2 25 3122 434 90450 Lens 2 26 3122 437 50820 Lens 3 red assy 27 3122 437 50830 Lens 3 green ass. 28 3122 434 90610 Lens 4b 29 3122 434 90480 Lens 5 30 3122 437 50840 Lens 6 blue assy 32 3122 437 10550 Pbs-integrator 33 3122 434 92340 Mirror A 34 3122 434 92350 Mirror B 35 3122 434 92360 Mirror C 36 3122 434 92370 Mirror D1 37 3122 437 50850 Dichr.prism assy 38 3122 434 91480 Folding prism 39 3122 434 94260 UV-filter 40 3122 434 94270 UV absorp filter 41 3122 437 50860 Analyzer red 42 3122 437 50870 Analyzer green 43 3122 437 50880 Analyzer blue 45 3122 434 90540 Projection lens 97 3122 430 01220 P09XG 060 red 98 3122 430 01220 P09XG 060 blue 99 3122 430 01210 P09XG 050 green 8001 3122 431 01220 Set of 2 fans
PCS 92 695 GB PCS 92 696 GB
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