Philips LC3141 Bedienungsanleitung

IMPORTANT SAFETY NOTICE

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 on the schematics or exploded views.

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

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 5-1

6. Diagrams & PWB layouts 6-1

7. Directions for use 7-1

8. Optical alignments 8-1

9. Parts lists 9-1

PCS 107 358

Published by Consumer Electronics Printed in The Netherlands ©Copyright reserved Subject to modification 3122 435 40490

1-1 LC3131/LC3141

PCS 107 359

1. Safety guidelines Portable LCD projector

LC3131

LC3141

bSure SV1 / XG1

4.1 Opening the cabinet

1. Remove the focus ring (A) and the zoom ring (B) by

pulling them off (Fig. 1). Pulling off the zoom ring may

require some force.

2. Pull off the front cover (C) by pulling it upward (Fig. 2).

Pulling can best be done by using the opening of the

lens.

3. Remove the 4 screws (D) holing the top cover (Fig. 3).

If the 4 screws are removed, the top cover can be lifted

off. Please be careful not to pull of the cable to the

keyboard.

4. By putting the top cover to the side, the set can still be

operated (Fig. 4). Be careful not to damage connector E.

By pulling the flatfoil cable from connector E the topcover

can be removed completely.

5. Remove the 6 screws “F” holding the top shield (Fig. 5).

Then remove the 3 screws “G” and the 2 screws “H” (Fig.

6). Now the top shield can be removed.

4.2 Panel removal and service position

1. Remove screw “I” and connectors “J” (Fig. 7). Now the

SSB (Small Signal Board) can be removed. The SSB is

plugged onto the DRB (Drive Board).

2. Remove screw “K” and connectors “L” (Fig. 8).

Nor the DRB (Drive Boards) can be removed.

3. Remove screw “L” (Fig. 9). Now the bottom shield can be

removed.

LC3131/LC3141 LC3131/LC31414-1 4-2

PCS 107 362 PCS 107 363

4. Mechanical instructions

CL 266450004_044.eps

230402

Fig. 1

CL 266450004_046.eps

240402

Fig. 2

CL 266450004_047.eps

240402

Fig. 3

CL 266450004_048.eps

240402

Fig. 4

CL 266450004_049.eps

240402

Fig. 5

CL 266450004_050.eps

24402

H H

Fig. 6

CL 266450004_051.eps

240402

I SSB Board

DRB Board

Fig. 7

CL 266450004_052.eps

240402

K L

DRB Board

Fig. 8

CL 266450004_053.eps

240402

Bottom Shield

Fig. 9

4 Remove the 4 screws “M”(Fig. 10). Now the side cover

can be removed.

5. Remove screws “N”(Fig. 11). After lifting the fan bracket,

the filter holder and dust filter can be removed.

6. To operate the projector in this situation, connect the

SSB and DRB together again, and connect the

top-cover, LCD fan and dust filter switch to the SSB. Put

some insulation under the SSB and DRB board. Now

connect the LCD’s to the DRB board by using extension

cables (312243540400). (Fig. 12)

Do not operate the projector like this for a longer

time, as the LCD’s will be damaged when the cooling

is not installed.

4.3 Engine and power supply removal

1. Remove the 3 screws “O”to remove the engine (Fig. 13).

2. Remove screws “P”to remove the Power supply

(Fig. 13).

3. Remove the 2 screws “Q”to remove the lamp supply

(Fig. 14).

4.4 Notes when mounting back together

1. Mounting position of PCS fan (See Fig. 15).

2. Mounting of air guide: First put the bottom pin into hole

“R”, and then click the top pin into hole “S”. (Fig. 16).

3. Mounting position of lamp fan (See fig 17).

4. Mounting position of earth bracket. (See Fig. 18)

5. If after a repair the fan’s go to high speed and the lamp

switches off immediately, then check the filter door

switch mounting.

LC3131/LC3141 4-3 4-4 LC3131/LC3141

PCS 107 364 PCS 107 365

CL 266450004_054.eps

240402

M MM M Side Cover

Fig. 10

CL 266450004_055.eps

240402

Filter Holder

Fan

Bracket

LCD Fan

Fig. 11

CL 266450004_056.eps

230402

Fig. 12

CL 266450004_057.eps

240402

PPower Supply

Engine

Fig. 13

CL 266450004_057.eps

240402

PPower Supply

Engine

Fig. 13

CL 266450004_058.eps

240402

Lamp Supply

Fig. 14

CL 266450004_059.eps

140502

PBS Fan

Fig. 15

CL 266450004_060.eps

240402

Fig. 16

CL 266450004_061.eps

240402

Lamp Fan

Fig. 17

CL 266450004_062.eps

230402

Fig. 18

LC3131/LC3141 LC3131/LC3141

5. Block diagrams & Wiring diagram 5-1 5-2

PCS 107 366 PCS 107 367

CL 26645004_028.eps

130502

S10

+3V3

RAD

PWTERM

GAD

BAD

7202

AD9886

7022

HEF4053

119

7000

AD8183

110

100

R_DATA

terminat

G_DATA

B_DATA

BPBCB

GYY

RPRCR

GVS

138

GHS

140

SCL

SDA

DDCSCL

DDSSDA

BLKSPL

9384

GCOAST

GRE 0-7

DATA AD CONVERSION

GRO 0-7

GGE 0-7

GGO 0-7

GBE 0-7

GBO 0-7

7020

RXD-TXD

PLL CLOCK

GEN

CONTROL

EEPROM

CL 26645004_029.eps

1030502

+3V3

G13

G14

D14

K11

7304

SAA7118

VIDEO PROCESSING

LUM

K14

K12

VCLK

M14

CVBS K1

RPRCR D1

GYY J3

BPBCB 61

CHROMA G4

UV 0-7

Y 0-7

VIDEO

DECODER

COMB

FILTER

SYNC

PROCESS

SCL

N9 P10

SDA

VVS

VHS

CL 26645004_026.eps

130502

Video

decoder

YUV

I2C

CVBS

YCbCr

RGB

EEPROM

I/O

controller

IR Receiver Keyboard Leds

Downstream

USB Audio

control

Audio

ampl.

UHP

lamp

Audio in Video

Audio in Data

Data

Video

I2C

I2C I2C

conversion

RGB

I2C

DATA

Mains

Switch

DDC

EEPROM

Standby

power

supply

Power

supply

+V standby

BLOCK DIAGRAM

Clock Lamp

Supply

Reset

Safety

Switch

Flash

memory

PW 166

Scaler

Frame buffer

Microprocessor

digital

Drive electronics

sync

Drive electronics

video

LCD

panels

CL 26645004_027.eps

130502

USB IO Audio

Video proc.

Fan Control

HD switch

DATA

A/D

I2C

L,R L,R

USB

Audio A/V + DATA

Component

Video

CVBS

I2C

Small Signal Electronics

S11 S7 S8

Scaling

Microprocessor

OSD

RAM

ROM

I2C

Clock

gen.

S10 S2

Digital YUV

Digital RGB

RGB

1616

1445

LC3131/LC3141 LC3131/LC31415-3 5-4

PCS 107 368 PCS 107 369

CL 26645004_032.eps

130502

S11

7719

CY6264

CLKOUT

RAM

7727

S87C654

INTH11

INTUSB

7737

74HCT573

AD0-AD7

AU0-AU7

I/O

PROCESSOR

KEYBOARD

RC6

I2C5

2,3

I2C2

10,11

P1-4

+3V3

7108

PD1USBH11

176

7102

FXO-31

OSC

KEYB0

KEYB5

PS2

STANDBY

STANDBY SENSE

21-25

18, 19 I2C2

INTH11

31, 32

UPSTREAM

SSB Lamp onLamp Lit

Temp

µP

standby

standby sense

standby

fancontrol

Supply

Temp

switch

Fan control

Supply board

Fan Main

LCD fan stop

PCS fan stop

DF(dustfilter)-det.

dust filter switch

Lamp fan stop

Fan LCD

PCS fan

CL 26645004_033.eps

130502

PROTECTION CIRCUITS

CL 26645004_030.eps

130502

+2V5

+3V3

7300

PW166

7510

AM29LV800

7511

CY62127 7501

ST24E16

DRE

DBE

FLASH ROM RAM

EEPROM

DGE

I/O PORTS UART

FRAME

BUFFER SCALER OSD COLOUR

LUT

VIDEO

PROC.

DATA

PROC.

VIDEO

PROC.

CLOCK

GEN

YUV

RGB

µPROC.

A1 D6 B4

SCL

C1 D3 C7B2

SDA

TXDRXD

MCKEXT

DCKEXT

W13

Y13

OUTPUT

SYNC

U13

V13

CKD

W12

J17

G19

GVS

GHS

A14 B14

VVS

VHS

MEMORY

CONTROL

AUTO

IMAGE

SYNC

DEC

ROM/RAM INT

SCALER / FRAMEBUFFER / MICROPROCESSOR

CL 26645004_031.eps

160402

18 SCL5

SDA5

7802

TRA7433

L V AUD 6

R V AUD

DATA AUD L

DATA AUD R

+15

7700

TDA7056

AUDIO PROCESSING

+14

TEMP

SENSE

7514

DS1621

LC3131/LC3141 LC3131/LC31415-5 5-6

PCS 107 370 PCS 107 371

26645004_034.eps

160402

Control Supply Lamp

Lamp is on

Start

to SSB

3Lamp Lit

Lamp EN

+300V

1902

Lamp supply board

to PSB

26645004_042.eps

160402

POWER SUPPLY BOARD

K4 K1

To lamp

supply

panel

To system

electronics

board

100-

250V

3-4

7-9

5-6

Auto-

voltage

+295V

+5 STBY

+15V

+14V

+5V1

POW-ON

Standby

supply

Main

supply

DRIVE PROCESSING

26645004_035.eps

130502

Clock

driver

(level conversion)

Clock

driver

(level conversion)

Clock

driver

(level conversion)

Sub-sampling

Gamma

RDA

NRS

LCCOM

NERP

GDA

BDA

I/O

expanders

Microprocessor

Uniformity

Correction

Sub-sampling

LCD

Clock generation

I2C

I2C3

STRB3

26645004_036.eps

160402

Contrast

Bright

Serial

Interface

3V3

SCS

SCLK

SDATA

29 28 80

DRE0-9

RD0-9

7050/7051

L3EO7030 F0A

Gamma Polarity

Invert

GAMMA CORRECTION

WHITE POINT SETTING

LC3131/LC3141 LC3131/LC31415-7 5-8

PCS 107 372 PCS 107 373

26645004_038.eps

160402

3V3 CLOCK GENERATION

Horizontal

Count

Clock

generation

S/H

Clock

generation

Enable

generator

Vertical

Count

Clock

Reset

HDDRB DX (RGB)

926-60

7150

L3EO2090FOA

CLX (RGB)

27-61

CLY

SHCLK (RGB)

18-52

XFR (RGB)

19-53

ENBX1 (RGB)

ENBX2 (RGB)

22-56

23-57

STSOO (RGB)

21-55

STSOE (RGB)

20-54

VDDRB

CKD 2090

Serial

interface

SCS

SCLK

15 6

SD ATA

26645004_039.eps

160402

D5-6-7

Inverter

Timing gen

SH1 DAC RVID 1

RVID 3

RVID 5

RVID 7

RVID 9

RVID 11

To the LCD

44 42 43 12 13

SHCLKR

STS00

XFRR

RLR SUBSAMPLING

RRL

SHCLKR

STSOE

XFRR RRL

24 16

+15V +3V3

7250

L3EO6060

7260

L3EO6060 (only XGA)

SH2

SH3

SH4

+15V

+3V3

SH5

SH6

DAC

FRPR 14

44 42 43 12 13

DAC

DDG0-9

Inverter

Timing gen

SH1 DAC RVID 2

RVID 4

RVID 6

RVID 8

RVID 10

RVID 12

SH2

SH3

SH4

SH5

SH6

DAC

FRPR 14

DAC

DDR 0-9

15 30

16645004_040.eps

160402

D5-6-7

7251

ET1030F

NRSHR 2

NRSLRGB 21

FRPR 19

DYOUT 10

CLYOUT 9

UD 5

DXOUT 8

CLXOUTR 7

ENBX1R 17

ENBX2R 16

NRG 11

124

+5 +15 LEVEL SHIFTING

7252-7256

7253-7257

RDX

RCLX

RCLXN

RDY

NRS1RR

RCLY

RCLYN

RENBX1

RENBX2

RNRG

RDIRX

NRS

level shifter

Clock

level shifter

Inverter

12 23

NRS2RR

To the LCD

DDG0-9

DDB0-9

DDR0-9

Uniformity

Correction

Data

Serial

Interface

567 1

SCS SDATA SCLK

3V3

108

7151

L3EO7040

109

118

124

VD 125

GD0-9

BD0-9

RD0-9

26645004_037.eps

160402

PCS 107 374

LC31 ?

5-9

LC44xx/LC6131

CL 26645004_043.eps

230402

PCS 107 375

LC3131/LC3141 ?

6-1

6. Diagrams & PWB layouts

71 2

DATA AUDIO IN

DUST FILTER

199

DATA IN

18175 13

LCD FAN

S-VIDEO

POWER SUPPLY

LAMP DRIVER CONTROL

41 10

146 16

14 15 16

TEMP SW

8102

4 15

12 1311

MAIN FAN

PCS FAN

USB

1 20

3V3PW

LDP

MCKEXT

POWER(1:5)

SCL3V3

SCL5

SCLD1

SCLD2

SCLK

SCLKD

SCS

SCSD

SDA3V3

SDA5

SDAD1

SDAD2

SDATA

SDATADSTANDBY

STBSENCE

TEMP1

TEMP2

XTAL1

POWER_CLOCK_GENERATION

14V

15V

2V5PW

3V3DRB

3V3F

3V3JET

3V3PW

5VJET

5VSTBY

CLKOUT

DCKEXT

ICSCLK

ICSDATA

ICSSTRB

5VSTBY

100

917735-1

1410

HSJ2000

1840

FAN_CONTROL

14V

15V

AUDIODATA

AUDIOEEPROM

DUSTFILTER(1:2)

LAMPDRVCTRL(1:4)

LCDFAN(1:3)

LDP

MAINFAN(1:3)

PCSFAN(1:3)

PWTERM

SCL5

SDA5

USBAUDIO

WRITEPROT

UV(7:0)

VCLK

VFIELD

VHS

VPEN

VVS

Y(7:0)

14V

3V3PW

VIDEO_DECODING

BPBCB

CHROMA

CVBS

GYY

LUMA

RPRCR

SCL3V3

SDA3V3

5VSTBY

15V

1913

53261-SMD

5VSTBY

YKC21-2559

1300-B

3V3PW

1730

USB

GBLKSPL

GBO(7:0)

GCLK

GCOAST

GFBK

GGE(7:0)

GGO(7:0)

GHS

GRE(7:0)

GRO(7:0)

GVS

HAD

RAD

SCL3V3

SDA3V3

VAD

14V

AD_CONV

3V3VD

5VAD

BAD

GAD

GBE(7:0)

1320

TCS79

15V

3V3JET

53261-SMD

1620

3V3DRB

1910

53261-SMD

I056

Hole

H110

5VAD

4003

3V3DRB

3V3VD

1300-C

YKC21-2559

DATA_HD_SWITCH

-5V

3V3VD

BAD

BPBCB

DATAHD

DATAIN(8:1)

ENABLEDATA

GADGYY

HAD

PWTERM

RAD

RPRCR

RXD

TXD

VAD

3V3F

3V3PW

AB(19:0)

BHENn

DB(15:0)

NMI

RAMOEn

RAMWEn

RESET

ROMOEn

ROMWEn

SCL5

SDA5

WRITEPROT

YKC21-2559

1300-F

RAM_ROM

3V3

3V3F

1210

1617

748390

15V

5959

1911

53261-SMD

4001

2V5PW

1860

53261-SMD

Hole

H100

1300-E

YKC21-2559

14V

789

1720 TCS79

1914

53261-SMD

PS2DATA

RC6MM(1:2) SCL2

SCL5

SDA2

SDA5

STANDBY

STBSENCE

VBUS

VCCPS2

USB

5VSTBY

AUDIOEEPROM

CLKOUT

INTH11

LUSB

RUSB SCL2

SCL3V3

SDA2

SDA3V3

UP_DM

UP_DP

XTAL1

15V

IO_CONTROLLER

5VSTBY

CLKOUT

INTH11

INTUSB

KBSCAN(1:5)

PS2CLOCK

PH-S

1600

-5V

PLP3216S

5955

5VSTBY

53261-SMD

1902

3V3F

1300-D

YKC21-2559

LDATA

LUSB

RDATA

RUSB

SCL3V3

SCL5

SDA3V3

SDA5

SPK(1:2)

USBAUDIO

5956

AUDIO_CONTR_AMPL

-5V

14V

15V

CVBSAUDIO(1:2)

1710

FMN

3V3

-5V

Y(7:0)

YKC21-2559

1300-A

2V5PW

GGE(7:0)

GGO(7:0)

GHS

GRE(7:0)

GRO(7:0)

GVS

ICSCLK

ICSDATA

ICSSTRB

INTUSB

MCKEXT

NMI

RAMOEn

RAMWEn

RESET

ROMOEn

ROMWEn

RXD

SCL3V3

SCLK

SCS

SDA3V3

SDATA

TXD

UV(7:0)

VCLK

VFIELD

VHS

VPEN

VVS

5VJET

SCALER

2V5PW

3V3PW

AB(19:0)

BHENn

CKD

DATAHD

DB(15:0)

DBE(7:0)

DCKEXT

DGE(7:0)

DRE(7:0)

ENABLEDATA

GBE(7:0)

GBLKSPL

GBO(7:0)

GCLK

GCOAST

GFBK

STBSENCE

STANDBY

SDA5

SDA2

SCL5

SCL2

3V3VD

SDA5

SCL2

SDA2

DBE(7:0)

DRE(7:0)

DBE(7)

DBE(5)

DBE(3)

DBE(1)

DRE(7)

DRE(5)

DRE(3)

DRE(1)

SCSD

SDATAD

SCLKD

SDAD2

SCLD2

DRE(6)

DRE(4)

KBSCAN(3)

DCKEXT

SCL5

SDA5

SCL3V3

SDA3V3

CVBS

RPRCR

CVBS_AUDIO(1)

CVBS_AUDIO(2)

BPBCB

GYY

DRE(2)

DRE(0)

CKD

RESET

SDAD2

SCLD2

SCL2

SDA2

SDA5

SCL5

SDA5

SCL3V3

SCLKD

SCSD

SDATAD

TEMP1

TEMP2

SDAD1

SCLD1

ROMWEn

SCL3V3

SDA3V3

SCL5

SDA5

STANDBY

STBSENCE

TEMP2

TEMP1

MCKEXT

NMI

RESET

SCL3V3

SDA3V3

BPBCB

DATAHD

GYY

RPRCR

SCL3V3

SDA3V3

LAMPDRVCTERL(4)

MAINFAN(3)

LCDFAN(3)

LCDFAN(1)

SPK(2)

SDA3V3

SCL3V3

ENABLEDATA

SDA3V3

POWER(3)

CHROMA

LUMA

BPBCB

CHROMA

GYY

RPRCR

CVBS

PWTERM

DATAHD

ENABLEDATA

PWTERM

DCKEXT

DATAIN(1)

DATAIN(5)

DATAIN(6)

DATAIN(7)

DATAIN(8)

DATAIN(2)

DATAIN(3)

DATAIN(4)

KBSCAN(4)

POWER(5)

POWER(4)

POWER(1)

POWER(2)

DGE(4)

DGE(3)

DGE(2)

DGE(1)

DGE(0)

DBE(6)

SDAD1

DBE(4)

DGE(7:0)

KBSCAN(5)

KBSCAN(1)

RC6MM(1)

KBSCAN(2)

RC6MM(2)

MAINFAN(2)

MAINFAN(1)

LCDFAN(2)

PCSFAN(1)

PCSFAN(3)

LAMPDRVCTERL(3)

LAMPDRVCTERL(2)

LAMPDRVCTERL(1)

DUSTFILTER(2)

DUSTFILTER(1)

SPK(1)

DBE(2)

DBE(0)

DGE(7)

DGE(6)

DGE(5)

CKD

NMI

LUMA

PCSFAN(2)

SCL5

GBLKSPL

GCOAST

ROMOEn

ROMWEn

GBLKSPL

GCOAST

MCKEXT

ROMOEn

CL 26645004_013.eps

150502

1210 D1

1300-A J1

1300-B H1

1300-C I1

1300-D H1

1300-E J1

1300-F K1

1320 G2

1410 E19

1580-A D16

1600 I10

1620 L10

1710 M5

1720 L2

1730 O2

1840 L8

1860 M10

1902 N20

1910 K20

1911 M20

1913 J20

1914 H20

4001 N5

4003 O5

4100 I4

5000 B16

5002 C16

5004 D18

5006 M4

5008 M5

5010 N3

5100 D11

5102 E11

5104 E16

5106 F3

5108 F8

5110 G4

5112 H11

5114 L2

5116 L5

5955 O2

5956 N2

5959 O2

BLOCK DIAGRAM

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