Panasonic PT-VW435NE, PT-VW435NEA, PT-VW435NU, PT-VX505NE, PT-VX505NEA, PT-VX505NU, PTVW435NU Power supply & protection circuit

-70-

Chassis Block Diagrams

IC301

SCALER

<PW190>

P_FAIL

ON_3.3V

ON_16.5V

IC1802

i/o EXPANDER

S6V

D5624/D5623/D5622

AC 1st FILTER

LAMP

BALLAST

245

54

2

CN2

K8H

12

K8S

K6E

CN1

K6D

K6A

LAMP

AC CORD

K6RK8R

POWER

R/C

MAIN

IC682

P.F.CONTROL

<FA5502M>

6

1

1

3

3

2

2

4

4

5

9

9

7

11

7

8

10

T651

D682

D681

D683

D614

D687

4

PC601 Power-On:H

Power-On:H

Power-On:H

Power-On:H

Power-On:H

LAMP_SW

(Power-On:L)

P-Fail:L

PC602

PC603

IC604

POWER OSC.

IC603

S6V

S-7V

LAMP_DC_ON

S6V

S16.5V

IC8831

TEMP. SENSOR C

<

ADT75BRMZ

>

(LAMP) (PANEL) (ROOM)

IC8821

TEMP. SENSOR B

<

ADT75BRMZ

>

IC8811

TEMP. SENSOR A

<

ADT75BRMZ

>

215

91

363

Power-On:H

ON_1.8V

89

10

201

110

11

19

20

11

7

9

Power-On:H

ON_-7V

5

293,212 SCL0

SDA0

IC9885

SUB CPU

MB95F353EP

SW901

S2.5V_PW IC5841

1.8V_DDR IC441

ON_-7V

K601

RL602

Thermal

fuse

Lamp Cover SW

D8094/D8093/D8092

PW_MASTER-SDO

PW_MASTER-SDI

PW_MASTER-SCK

LAMP_DC_ON

CHO_RXD

CHO_TXD

IC9886

FAN_ERR

1

2

4

LAMP_SCI

Q5700

POWER_SW

5

IC8081

S3.3VSI

S1.2VSI

POWER_SW1

POWER_SW1

PC604

P-On: H

P-On: H

Q5701

STATUS ON STAND BY

SIGNAL ECO NETWORK

LAMP_DC_ON H L

POWER_SW H L H

12

15

6

10

5VSTB

IC5831

3.3V_MCU

97

92

S3.3V_IRIS

FT_G_SNE2

17

POWER_SW1

IC7100

IC5602

ON_-7V

3.3V_GAM

P_FAIL

S5V

S5V_IRIS

POW_GAM_3.3V

IC592

IC582

15.25A_SW

IC001

K8F

SW902

AC 2nd FILTER

K6C

K6B

98 5V_IRIS

2

POW_GAM_1.0V

3

POW_GAM_2.5V

4

POW_GAM_3.3V

POW_GAM_1.0V

D591D592

D582

D583

3.3V_D

D411

D413

D412

P_FAIL

P_FAIL

P_FAIL

P_FAIL

IC3804

Buer

IC3803

Buer

5V_IRIS

ON_1.8V

ON_1.8V

IC431

2.5V_GAM

POW_GAM_2.5V

5

5

7,8

3

1

2

POWER_SW

S16.5V

15.25P_SW

15.25V_A

15.25V_P

IC411

IC8091 IC5821

S3.3V

S3.3VA_PW

S3.3VD_PW

IC5861

S1.8V

S1.8V_PW

IC421

Q613

1.0V_GAM

S-7V

T652

10

11

7

6

4

2

1

12

13

S16V

5VSTB

Q609

Power supply & protection circuit

Contents

Main Contents Safety Instructions CAUTION About lead free solder (PbF) Precaution WARNING 1. Safety Precautions Safety precautions 1.1. General Guidelines 1.2. Leakage Current Check 1.3. UV Precaution and UHM Lamp Precautions Specifications Specifications Lamp cover switch (SW901) Thermal fuse (SW902) Circuit Protections Fuse (F601) Fuse Part No.: 423 035 3004 TYPE T8AH 250V FUSE LITTEL FUSE INC. TYPE 0215008.MXEP Fuse Part No, : 424 007 3909 TYPE 8AH 250V FUSE SKY-GATE, Ltd. TYPE SG5013008P-R Circuit Protections Warning temperature and power failure protection The projector is shut down and the WARNING indicator is blinking red. The projector is shut down and the WARNING indicator lights red. LED indicator Maintenance n Outer Case n Front glass surface of the lens Before replacing the unit Maintenance n Resetting the filter counter n Attaching the lens cap Thread the thinner end of the string through 1 1 Thread the other end of the string through 2 1 the hole on the bottom of the projector. Lens cap String n Lamp unit n Notes on the replacement of the lamp unit * n When to replace the lamp unit Replacing the lamp unit T T Warning message on the non-standard lamp used 1 2 How to check lamp runtime Cleaning Cleaning the projection lens Cleaning the projector cabinet Cleaning with air spray Disassembly Cleaning Security Function Notice Resetting procedure Standby Mode Notice Mechanical Disassembly Mechanical disassembling flow chart 1. Air filter units removal 2. Cabinet top removal Fig.2 Fig.3 3. MAIN&AV board assy removal 3-1. MAIN and AV board removal Fig.3-1 Fig.4 4. Fan(FN910), lamp assy(LP900),optical unit removal 5. Fan(FN908), lamp holder , speaker removal Fig.5 Page Fig.6 6. Power box assy removal 7. Fan(FN907) and duct assy removal Fig.7 Fig.7-1 7-1. Duct and fans removal 8. Fan(FN902) and filter house removal Fig.8 9. Cable reforming Fig.9 Optical Parts Disassembly 1. LCD panel/prism assy removal How to check the type of LCD panel assy LCD panel type check GR GL 2. Polarized glass(IN) assy removal Fig.2 Fig.3 3. Projection lens removal Optical Parts Disassembly 5. PBS and Integrators removal Fig.4 Fig.5 4. Condenser lens (OUT) removal Page Page Servicing Notice Note on the MAIN board replacement 1.EEPROM data transfer Serial number setting Model no. setting 2. Adjustment data setting Servicing Notice 3. EDID IC replacement Adjustments Adjustments after parts replacement Optical Adjustments Contrast adjustment 1 2 3 A Optical center adjustment Service adjustment menu operation To enter the service mode To adjust service data To exit the service mode Electrical Adjustments Circuit adjustments WARNING : USE UV RADIATION EYE AND SKIN PROTECTION DURING SERVICING. 1. Fan voltage adjustment 3. Auto calibration adjustment [PC] 2. Panel type check and setting 4. Auto calibration adjustment [Component] 5. Auto calibration adjustment [Video] 6. Common center adjustment 8. Color shading correction adjustment 9. Keystone offset adjustment 7. Gamma shipment adjustment MAIN BOARD Test points and locations K8000 K7801 K8304 K10B K10A K5B Service adjustment data Page Page Page Page Page Page Page Page 50Hz 60Hz PrefHAv50Hz PrefHAv60Hz Display Page Page (PT-VX505N/PT-VW435N1 (PT-VX505N/PT-VW435N1 Page Page Page Page Page Page Page Page RJ-45 USB WIRELESS LAN IC8010 Chassis Block Diagrams Chassis over view System control POWER LAMP BALLAST POWER SUPPLY MCI IC8010 Lamp control MAIN Audio circuit PC/MIC AUDIO2-IN VIDEO AUDIO-IN AV HDMI K8001 Power supply & protection circuit IC301 SCALER <PW190> IC1802 i/o EXPANDER K601 S6V Fan control circuit S16.5V R/C LAMP COVER IC7801 Troubleshooting No power No picture No sound Serial Control Serial terminal Connection Communication conditions Pin assignments and signal names Basic format Serial control Basic format (with sub command) Cable specications Serial control [When connected to a computer] Projector Control commands Computer (DTE specications) Control Port Functions Scaler I/O port functions (PW190) Control port functions Page Page Page Page Page Page Exploded Views & Parts List Exploded Views Parts List Exploded Views Page Page Page Page In the optical unit Page Page Mechanical Parts List SPL-10 Ref. Part No. Description Note Ref. Part No. Description Note PACKING MATERIALS LABEL Mechanical Parts List Ref. Part No. Description Note Ref. Part No. Description Note Electrical Parts List SPL-12 Read description in the Capacitor and Resistor as follows: CAPACITOR CERAMIC 100P K 50V ASSEMBLED BOARDS VX505NU,NE,NEJ,NEA, NEAJ VW435NU,NE,NEJ,NEA,NEA J OUT OF CIRCUIT BOARDS Ref. Part No. Description Note Ref. Part No. Description Note SPL-14 Ref. Part No. Description Note Ref. Part No. Description Note SPL-15 Ref. Part No. Description Note Ref. Part No. Description Note SPL-16 Ref. Part No. Description Note Ref. Part No. Description Note SPL-17 Ref. Part No. Description Note Ref. Part No. Description Note SPL-18 Ref. Part No. Description Note Ref. Part No. Description Note SPL-19 Ref. Part No. Description Note Ref. Part No. Description Note SPL-20 Ref. Part No. Description Note Ref. Part No. Description Note SPL-21 Ref. Part No. Description Note Ref. Part No. Description Note SPL-22 Ref. Part No. Description Note Ref. Part No. Description Note SPL-23 Ref. Part No. Description Note Ref. Part No. Description Note SPL-24 Ref. Part No. Description Note Ref. Part No. Description Note SPL-25 Ref. Part No. Description Note Ref. Part No. Description Note SPL-26 Ref. Part No. Description Note Ref. Part No. Description Note SPL-27 A1001 6550053572 ASSY,PWB ,RC KZ4AC A1002 6550053589 ASSY,PWB ,ID CONNECT KZ4AC Ref. Part No. Description Note Ref. Part No. Description Note SPL-28 AA200 6550053121 ASSY, PWB, AV KJ4CC Ref. Part No. Description Note Ref. Part No. Description Note SPL-29 A6000 6550051486 ASSY,PWB,POWER KJ4AC Ref. Part No. Description Note Ref. Part No. Description Note SPL-30 Ref. Part No. Description Note Ref. Part No. Description Note SPL-31 A6001 6550051493 ASSY,PWB,AC SECOND FILTER KJ4A A6002 6550053008 ASSY, PWB, AC FIRST FILTER KJ4 Page Schematic Diagram & Circuit Boards Diagram Schematic Diagram Circuit Boards Diagram Schematic Diagram & Circuit Boards Diagram DIA-2 Pin description of diode, transistor and IC FET L IC Index Index MAIN B WIFI IRIS AV POWER TO BALLAST AC INLET FUSE THRM P.F. CONTROL AV TLV320AIC3105IRHBR S-VIDEO AUDIO1_IN IC5003 IRIS CIRCUIT TC7WT125FU LIS331DLHTR USB MOUSE/DISPLAY PC IN/OUT I/O EXPANDER M29W640FT70N6E A[1] IC801 M29W640FT70N6E LED DAYLIGHT SENSOR FAN CONTROL POWER P-RIGHT P-LEFT P-DOWN P-UP MENU GAMMA KZ4AC -07 IC501 C0DBEKG00005 X401 NETWORK IC8014 MP2307DN MP2106DK IC8009 NETWORK M29W128GL70N6E H5PS5162GFR-S6C IC8010 IC8005 Printed Wiring Board Diagrams K8I AV (SIDE:B) AV (SIDE:A) LAMP ID K87C K8002 FN910 FN906 FN902 MAIN (SIDE:B) AC 1ST FILTER (SIDE:B) T8AH250V *** ??? PARTS SIDE K601 DIP PbF PARTS SIDE INPUT C606 DIP LINE FLTER 2 "K6C" POWER "K6D"