Acer PH112 Service Guide
Acer PH112 Manual
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- Acer PH112 | Service Guide - Page 1
Acer PH-112 Service Guide Service guide files and updates are available on the CSD web; for more information, please refer to http://csd.acer.com.tw 100% Recycled Paper - Acer PH112 | Service Guide - Page 2
by any means, electronic, mechanical, magnetic, optical, chemical, manual or otherwise, without the prior written permission of Acer Incorporated. Disclaimer The information in this guide is subject to change without notice. Acer Incorporated makes no representations or warranties, either expressed - Acer PH112 | Service Guide - Page 3
Conventions The following conventions are used in this manual Screen messages Denotes actual messages that appear on screen. Note actions. Gives precautionary measures to avoid possible hardware or software problems. Reminds you to do specific actions relevant to the accomplishment of procedures. - Acer PH112 | Service Guide - Page 4
Preface Before using this information and the product it supports, please read the following general information. 1. This Service Guide provides you with all technical information relating to the BASIC CONFIGURATION decided for Acer's "global" product offering. To better fit local market - Acer PH112 | Service Guide - Page 5
2 Firmware Update 8 Setup Tool / Equipment...8 Upgrading Procedure ...8 Chapter 3 Machine Dissassembly and Replacement 10 General Information ...11 Disassemble Lamp Module 12 Disassemble IO Cover & Top Cover 13 Disassemble Speaker & Front Cover 14 Disassemble Front Fan...15 Disassemble - Acer PH112 | Service Guide - Page 6
Table of Contents Chapter 4 Trouble shooting 30 Video Signal troubleshooting 31 Operation FunctionTroubleshooting 34 Power SourceTroubleshooting 35 Function Test and Alignment 36 Equipment Needed 36 Test Condition...36 Test Display Modes and Patterns 37 Compatible - Acer PH112 | Service Guide - Page 7
Throw Distance Compatibility Operation Humidity Operation Temperature Sound Noise Power Requirement Dimensions ( W x H x D ) Weight Certification Description Single Chip DLP Projector 200 W User Replaceable Lamp 1600 Lumen 2000 : 1(Full on / off) (Min) 854 x 480 90% Light Tunnel 20.2 ~ 24.2 mm 27 - Acer PH112 | Service Guide - Page 8
consisting of a short arc burner in a reflector, and a lamp driver. Lamp type UHP 200W-150W 1.0 Driver type EUC 200V/01 TopValue 2. SYSTEM SPECIFICATIONS 2.1 Driver conditions See driver specifications for more information EUC 200V/01 * If the lamp voltage is below 35V continued over 90s, the - Acer PH112 | Service Guide - Page 9
be evaluated in the end-product. Special consideration has to be given to the distances from earthed mounting screws to hazardous voltage traces on the lamp driver PCB. 2.3.2 Hot restrike At max. bulb temperature of 300 oC+ -25oC : 98% ignition reliability of the total number of switches. At max - Acer PH112 | Service Guide - Page 10
3.1 Dimensions Reflector type E19 3 Average lamp life and lumen maintenance (on test & operational conditions see 4.4 and based upon a large sample population) When driven at 200W on ballast type EUC 200V/01 - Acer PH112 | Service Guide - Page 11
towel before installing the lamp. - The lamp should be operated on the lamp driver as mentioned in paragraph 1. - Fast switching cycles will reduce lamp life (e.g. 10min on by set optics. 5 ENVIRONMENTAL LAWS EU At end of service life, UHP Lamps should be treated as chemical waste (in view of mercury - Acer PH112 | Service Guide - Page 12
System Block Diagram Chapter 1 6 - Acer PH112 | Service Guide - Page 13
Optics-Conceptual Drawing 7 Chapter 1 - Acer PH112 | Service Guide - Page 14
provides the equipment needed, setup and upgrading procedure for Firmware upgrade. Setup Tool / Equipment 1. Computer 2. USB Cable (see right picture) 3. Power Coard Upgrading Procedure 1. Connect Download Cable to projector 2. Open burning programma (DLP Composer Lite) Chapter 2 8 - Acer PH112 | Service Guide - Page 15
3. Press Power and Menu button together and connect the power cord into the projector . Than release these 2 bottoms . 4. Click the Start Download button and then start to burning of program . 5. Completion of Burning than remove Power Cord and Burning Cord . 9 Chapter 2 - Acer PH112 | Service Guide - Page 16
Chapter 3 Machine Disassembly and Replacement This section provides disassembly procedures for PH112 DLP Projector. Before you begin any of these procedures, be sure to turn off the power, computer system, and other attached devices; then disconnect the power cable - Acer PH112 | Service Guide - Page 17
General Information Before You Begin Before proceeding with the disassembly procedure, make sure that you do the following: 1. Turn off the power to the system and all peripherals. 2. Unplug the AC adapter and all power and signal cables from the system. 3. Wear Anti-static wrist strap. 11 Chapter - Acer PH112 | Service Guide - Page 18
of Lamp Cover 2. Remove Lamp Cover 3. Loosen two screws of Lamp Module . 4. Grasp the lamp handle and pull out Lamp Module p.s Related notice of replace lamp pls refer to the Lamp Specification section . Note:Unplug all the cord before disaddembling the Projector. 01635-366*2 Lamp Cover Assembly - Acer PH112 | Service Guide - Page 19
Disassemble IO Cover & Top Cover 1. Loosen 4 screws of IO cover. 2. Remove IO cover 3. Loosen 2 screws of Back Cover 1. Loosen the 2 screws of Top Cover. 2. Lift up Top Cover directly (Be careful there is a internal wire connect with the main board) 13 Chapter 3 - Acer PH112 | Service Guide - Page 20
Disassemble Speaker 1. Loosen the screws of Speaker. 2. Life up Speaker. Disassemble Front Cover 1. Loosen the 2 screws of Front Cover. 2. Lift up Front Cover directly(Be careful there are three internal wires connect with the main board) Chapter 3 14 - Acer PH112 | Service Guide - Page 21
Disassemble Front Fan 1. Lift up the Front f Fan Set from front cover directly. 15 Chapter 3 - Acer PH112 | Service Guide - Page 22
Disassemble Front IR Board & IR Cover Chapter 3 16 - Acer PH112 | Service Guide - Page 23
Disassemble Video IO 1. Loosen the screws of Back Cover 2. Loosen back cover. 3. Remove the Video IO. 17 Chapter 3 - Acer PH112 | Service Guide - Page 24
Disassemble Main Board 1. Loosen the four screws of Main Board 2. Unplug all wires on the board (Main Board PIN location of connectors pls refer to Chapter 5 ) 3. Remove Main Board Chapter 3 18 - Acer PH112 | Service Guide - Page 25
Disassemble Ballast Module & Back IR 1. Lossen the screw of Back IR board. 2. Remove the Back IR board 3. Lossen the six screws of Ballast Module 4. Unplug all wires on Ballast Module (Ballast Board PIN location of connectors pls refer to Chapter 5 ) 5. Remove the Ballast Module. 19 Chapter 3 - Acer PH112 | Service Guide - Page 26
Disassemble Optical Engine 1. Lossen the four screws of Optical Engine 2. Remove the Optical Engine . Chapter 3 20 - Acer PH112 | Service Guide - Page 27
Disassemble Back Cover 1. Loosen the screw of AC Inlet & remove the ring. 2. Remove the Back Cover. 21 Chapter 3 - Acer PH112 | Service Guide - Page 28
Disassemble Back IR Cover, AC Outlet 1. Take out the AC Inlet. 2. Take out the Back IR Cover. Chapter 3 22 - Acer PH112 | Service Guide - Page 29
Disassemble Power Module 1. Unplug the wire. 2. Loosen the five screws of Power Module 3. Remove the Power Module. 23 Chapter 3 - Acer PH112 | Service Guide - Page 30
Disassemble Ground Plate & Mylar 1. Lift up the Groung Plate. 2. Then lift up the Mylar. Chapter 3 24 - Acer PH112 | Service Guide - Page 31
Disassemble Heatsink & DMD Board 1. Loosen the four screws of Heatsink. 2. Tear off the EMI Pad 3. Remove the Heatsink. (Do not Suggest to tear off Thermal Pad and DMD Pad on Heatsink unless they are damaged) 4. Lift up the DMD Board. 25 Chapter 3 - Acer PH112 | Service Guide - Page 32
Disassemble DMD Assembly & DMD 1. Lift up the DMD Assembly 2. Lift up the DMD Chapter 3 26 - Acer PH112 | Service Guide - Page 33
Disassemble Thermal Board 1. Loosen the screw of Thermal Board 2. Remove the Thermal Borad 27 Chapter 3 - Acer PH112 | Service Guide - Page 34
Disassemble Optical Engine Fan 1. Loosen the three screws of Fan 2. Remove the Optical Engine Fan Chapter 3 28 - Acer PH112 | Service Guide - Page 35
about maintaining the product. Moreover, you can get the appropriate operation to solve some complicated problems of component repairing and professional problems. The Troubleshooing section focus on below items: 1. Video Signal Troubleshooting 2. Operation Function Troubleshooing 3. Power Source - Acer PH112 | Service Guide - Page 36
Video Signal Computer No Signal Video No Signal Check Source OK Check Cable OK NG Turn on Source NG Replace Cable Check Source OK Check Cable OK NG Turn on Source NG Replace Cable Computer Mode Input OK Change Main Board NG Change to Computer Mode Video Mode Input NG Change to Video Mode - Acer PH112 | Service Guide - Page 37
Fail to light up No Volume Check LED indication OK Look up user NG manual ,and follow indica- tive action Check Lamp NG Replace Lamp Check Top cover's cable NG Replace cable or connect the cable back OK Check Speaker Connector NG Speaker Connector Become loose OK Check Thermal Sensor - Acer PH112 | Service Guide - Page 38
Color Missing On Screen OK C/W Cable Connector NG Check Cable Connector OK Check Cable NG Replace Cable OK Check Main Board NG Change Main Board OK Change Optical Engine 33 Chapter 4 - Acer PH112 | Service Guide - Page 39
Failure Button Failure Check Battery Level OK Check Remote Control OK Check IR OK Main Board Fail NG Replace Battery NG Replace Remote Control NG Replace IR Check Top cover's cable NG Replace cable or connect the cable back OK Check Button OK NG Replace Button Check Keypad NG - Acer PH112 | Service Guide - Page 40
Power Source: No Power Source After Turning On Fan failure After Turning On Check Lamp Cover Switch OK Check Power Cord OK Check Top Cover (key cable..) NG Replace Lamp Cover or Reassembly NG Replace Power Cord NG Replace cable or key Check Fan Connector OK Check Inner Wires OK Check Fan NG - Acer PH112 | Service Guide - Page 41
Function Test and Alignment Equipment Needed Test Condition Chapter 4 36 - Acer PH112 | Service Guide - Page 42
Test Display Modes and Patterns Compatible Modes Preset Signal Sync Resolution VGA H(+), V(-) 640 x 800 SVGA H(-), V(+) 800 x 600 XGA H(-), V(-) 1024 x 768 SXGA H(+), V(+) 1280 x 1024 fV(Hz) 60 72 75 85 56 60 72 75 85 60 70 75 80 85 60 fH(Hz) 31.5 37.7 37.5 43.3 35.1 37.9 48.1 46.9 53.7 - Acer PH112 | Service Guide - Page 43
from it and ensure there are no stains . Figure 7 (1) Click on the folder, select the " Boundary Frame " BMP file, press the AUTO button on the projector, check if the lines and colors of the projected image are clear as presented on the BMP file . Figure 8 12 squares Pattern (Figure 1) Chapter - Acer PH112 | Service Guide - Page 44
Full Black Pattern (Figure 3) Full White Pattern (Figure 4) Black and White Word Pattern (Figure 5) 256RGB Pattern (Figure 6) Gray Pattern (Figure 7) 39 Boundary Frame (Figure 8) Chapter 4 - Acer PH112 | Service Guide - Page 45
CN3 CN4 CN5 CN6 CN7 J1 J2 J3 J5 J7 J8 J9 J15 JP1 JP3 JP4 JP5 CON1 CON2 CON3 IR Keypad control Fan Fan Fan Fan IR Ballast control Thermal Vidio & S-Video in DMD connector Phone jack stereo-R Color wheel Power in Vidio & S-Video in USB CW index Firmware debug Standby - Acer PH112 | Service Guide - Page 46
The Locations of Connectors CN1 , CN7 : IR PIN# 1 2 3 CN3 , CN4 , Cn5 : FAN PIN# 1 2 3 J1 :Ballast Control PIN# 1 2 3 41 Description IR 0 GND +3.3 V Description PWM Control GND Description 12V_S1 FAN_FB3 GND_PWM3 Chapter 5 - Acer PH112 | Service Guide - Page 47
CN2 : Keypad Control PIN# 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 Description GND GND SP_R+ SP_R+ - Acer PH112 | Service Guide - Page 48
J2 :Thermal PIN# 1 2 3 4 J3 , J15 : Video & S-Videop IN PIN# 1 2 3 4 5 6 7 8 CON2 : Video PIN# 1 2 CON3 : S-Video PIN# 1 2 3 4 Description + 3.3 V SCL SDA GND Description C O M P V ID AGND S V ID _ L U M AGND S V ID _ C H R GND + 3.3 V + 3.3 V Description CVBS AGND Description AGND AGND SVDOY SVDOC - Acer PH112 | Service Guide - Page 49
CON1 : D_SUB PIN# 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 J7 : Phone jack Stereo-R PIN# 1 2 3 4 5 J8 : Color Wheel PIN# 1 2 3 4 Description V- Red V-Green V-Blue NC AGND AGND AGND AGND +5V DSUB_Detect AGND VSDA H-Sync V-Sync VSCL Description GND A IN C _ L NC A IN C _ R NC Description CW CTR CW Y3 CW - Acer PH112 | Service Guide - Page 50
J9 : Power Supply PIN# 1 2 3 4 5 6 7 8 9 10 JP1 : USB PIN# 1 2 3 4 5 6 JP3 : CW Index PIN# 1 2 3 4 JP3 : CW Index PIN# 1 2 45 : PowerIn Description +5V_STBY GND GND +5V +5V GND +13.5V GND +12.5V GND Description NC USB DATN USB DATP GND GND GND Description +3.3V +3.3V +3.3V GND Description STBY_PWR - Acer PH112 | Service Guide - Page 51
JP4 : FirmWare Debug PIN# 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 Description GND GND TMSI TDO1_OUT SYSRSTZ TRSTZ TDI TMS2 TCK RTCK TDO2 IC E _ R S T Z TRACEPKT15 TRACEPKT14 TRACEPKT13 TRACEPKT12 TRACEPKT11 TRACEPKT10 TRACEPKT9 TRACEPKT8 - Acer PH112 | Service Guide - Page 52
Power Board Summarize Connector CN101 CN201 CN301 A C Inout +380V Output DC Output Description The Locations of Connectors CN101 : AC Inout PIN# 1 2 47 Description Line NEUTRAL Chapter 5 - Acer PH112 | Service Guide - Page 53
CN201 : +380V Output PIN# 1 2 CN301 :DC Output PIN# 1 2 3 4 5 6 7 8 9 10 11 12 Description +380V GND Description +5V_STBY GND GND +5V +5V GND +13.5V GND +12.5V GND GND STBY_CTRL Chapter 5 48 - Acer PH112 | Service Guide - Page 54
Ballaster Board Summarize Connector X1 X2 X3 P o w e r input S C I & F lag Connection to lamp Description The Locations of Connectors X1 : Power input PIN# 1 3 X2: SCI & Flag PIN# 1 2 3 4 5 X3: Connection to lamp PIN# 1 4 49 Description D C Input voltage GND Description Flag/TxD (coll.) Flag/ - Acer PH112 | Service Guide - Page 55
you FRU ( Field Replaceable Unit ) listing in global configuration of PD-112. Refer to this chapter whenever ordering for parts to repair or for made, it will not be noted on the printed Service Guide. For Acer AUTHORIZED SERVICE PROVIDERS, Acer office may have a DIFFERENT part number code from those - Acer PH112 | Service Guide - Page 56
FRU List No. Photo 1 Part Name Main Board 2 Ballast Board P/N P6784-001 P6784-002 3 Power Board P6784-003 4 DMD Board P3447-6000 5 Front IR Board P2447-5100 6 Back IR Board P3247-5101 7 SENSOR BRACKET P2235-0000-00 8 Top cover P6784-0004 9 Bottom cover P6784-0005 10 Front - Acer PH112 | Service Guide - Page 57
Cover P/N P6784-0007 P2034-4560-00 13 IO SPONGE P2038-1550-00 14 IO Plate P2035-4510-99 15 Lamp Cover P6344-1004 16 DMD 203pin Socket 02475-0003-10 17 Lamp Module P6784-0008 18 Optical Engine P6784-0009 19 DMD(0.55inch) 02093-0007-00 20 Front Fan Set P6745-1006 - Acer PH112 | Service Guide - Page 58
No. Photo 21 Part Name Engine Fan P/N 02394-0011-01 22 Ground Plate P2035-0500-00 23 Mylar P2038-0520-00 24 DMD Heatsink P1635-6030-00 25 SIDE PLATE P2035-0520-00 26 Len Cover P2034-462A-00 27 Speaker 02413-0016-00 28 Wire 3 Pin M/B to F-IR 02595-0029-00 29 Wire FCC Cable - Acer PH112 | Service Guide - Page 59
No. Photo 31 Part Name Wire 3 Pin M/B to B-IR P/N 02595-0027-00 32 Wire 5 Pin M/B to Ballast 02595-0030-00 33 Wire 2 Pin Ballast to Power 02595-0019-00 34 Wire 4 Pin MB 02595-0018-00 35 Wire 12Pin -10+2 Pin M/B to Power 02595-0063-00 36 37 38 39 40 Chapter 6 54