ViewSonic PJ750-2 Service Manual

ViewSonic PJ750-2 Manual

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  • ViewSonic PJ750-2 | Service Manual - Page 1
    Service Manual ViewSonic PJ750-2 Model No. VPROJ24247-1W Color Super Bright XGA Ultra-Portable Projector 111 11 11 11 11 UHU II II II II UUH IJ U U II II U D U II II H U U I I I 11 II II II 11 11 II II II
  • ViewSonic PJ750-2 | Service Manual - Page 2
    ViewSonic is a registered trademark of ViewSonic Corporation. All other trademarks used within this document are the property of their respective owners. Revision History Revision la Date 4/18/02 Description Of Changes Initial Issue - DCN2219 Approval T. Sears ii PJ750-2 Service Manual
  • ViewSonic PJ750-2 | Service Manual - Page 3
    TABLE OF CONTENTS CAUTION AND SERVICE WARNING 1 1. FEATURES 2 2. SPECIFICATIONS 2 3. CONTROL LOCATIONS AND FUNCTIONS 3 4. ADJUSTMENTS 5 5. TROUBLESHOOTING 12 6. ASSEMBLY REMOVAL, REPLACEMENT, AND MAINTENANCE 17 7. BLOCK DIAGRAM 22 8. INTERCONNECTION DIAGRAM 23 9. WIRING DIAGRAMS
  • ViewSonic PJ750-2 | Service Manual - Page 4
    provided in this Multimedia LCD Projector. Be sure to read cautionary items described in the manual to maintain safety before servicing. Service Warning 1. The lamp can be extremely HOT. Be careful to avoid burning your fingers when replacing the lamp. 2. Never touch the lamp bulb. Dropping it or
  • ViewSonic PJ750-2 | Service Manual - Page 5
    ) Operation Storage : 0-35°C : -20-60°C Remote control transmitter x 1 RGB cable x 1 Component cable x 1 Mouse cable (PS/2) x 1 POWER cord x 4 Battery x 2 Carrying bag x 1 Handle x 1 Quick start guide x 1 CD-ROM (User's guide) x 1 ViewSonic Corporation CONFIDENTIAL -- DO NOT COPY PJ750-2 2
  • ViewSonic PJ750-2 | Service Manual - Page 6
    LAMP Indicator TEMP Indicator POWER Indicator RESET Button MENU Button Ventilation Openings (exhaust) Terminal Panel (Refer below) Remote Control Sensor RGB IN 1 Terminal RGB IN 2 Terminal CONTROL Terminal RGB OUT Terminal USB Terminal ViewSonic Corporation CONFIDENTIAL -- DO NOT COPY PJ750
  • ViewSonic PJ750-2 | Service Manual - Page 7
    Button RESET Button Used problems. remote control transmitter or place it on any wet object. • Do not place the remote control transmitter close to the cooling fan of the projector. • Do not disassemble the remote control transmitter. ViewSonic Corporation CONFIDENTIAL -- DO NOT COPY PJ750
  • ViewSonic PJ750-2 | Service Manual - Page 8
    the video adjustment. (Press the [MENU] button of the Remote control transmitter to display the Setup menu, and then press the [RESET] button. And select the [DEFAULT].) *note : The the Adjustment menu to adjust the B color flicker. ViewSonic Corporation CONFIDENTIAL -- DO NOT COPY PJ750-2 5
  • ViewSonic PJ750-2 | Service Manual - Page 9
    . • Now press the [RESET] key again and press the [MGNIFY-OFF] button of the Remote control transmitter for 5 seconds or more (the confirming to "MICRO" reset menu will appear). 7. Adjust screen is adjusted as follows. Y=Ax 0.014 ± 2 [%] ViewSonic Corporation CONFIDENTIAL - DO NOT COPY PJ750-2 6
  • ViewSonic PJ750-2 | Service Manual - Page 10
    point m 0 14 29 43 75 86 93100 Input signal (%) 0 14 29 43 75 86 93100 Input signal (%) 14 29 43 75 86 93100 Input signal (%) ViewSonic Corporation CONFIDENTIAL -- DO NOT COPY PJ750-2 7
  • ViewSonic PJ750-2 | Service Manual - Page 11
    the Remote control RESET] key and select [DEFAULT]. • When only 1 tone is to be reset, place the cursor on the tone to be reset, press the [RESET] key and select [DEFAULT]. • Single tone and monochrome resets point No. V/3 V/6 V 13 ViewSonic Corporation CONFIDENTIAL - DO NOT COPY PJ750-2 8
  • ViewSonic PJ750-2 | Service Manual - Page 12
    tone [R] and [B]. Select [No.2] [B:] and press the [MENU SELECT] key on the Remote control transmitter to change to solid white. 12.Measure the color coordinates of adjustment point [No data set half as many as [MID-L] tone [G].) ViewSonic Corporation CONFIDENTIAL -- DO NOT COPY PJ750-2 9
  • ViewSonic PJ750-2 | Service Manual - Page 13
    is [G] monochrome, press the [MENU SELECT] key on the Remote control transmitter to change to solid white. 3. View measurement point [No.2] and [No.3]. Lower the [G] color intensity three tones as described in steps 1 to 8 above. ViewSonic Corporation CONFIDENTIAL -- DO NOT COPY PJ750-2 10
  • ViewSonic PJ750-2 | Service Manual - Page 14
    14 0 16 10 CD 0 06 7 5 9z 1 13 No. 9 deviation range 14 0 16 ® 0 10 02 1 3 1 5 9 15 4 13 No. 17 deviation range 14 0 16 ® 0 CD 10 D C) 0 1 8 13 / 0 ViewSonic Corporation CONFIDENTIAL -- DO NOT COPY PJ750-2 11
  • ViewSonic PJ750-2 | Service Manual - Page 15
    5. Troubleshooting Check points at trouble shooting E805 E801 L818/- E808 E302 1256 E800 ESPL - L S201 O O E806 P502 1306 E804 0 D302 O 0 D301 D303 S305 S304 S307 S306 -0 0 E101 CH112 CH102 \ o ? ° CH106 I CH104 S309 S308 ViewSonic Corporation CONFIDENTIAL - DO NOT COPY PJ750-2 12
  • ViewSonic PJ750-2 | Service Manual - Page 16
    ? NG Set the LAMP COVER Not light PWB assembly Drive Lamp or Power unit (ballast) OK Is the LAMP connection? NG Set the LAMP again OK Is the voltage at pin ® and C of E809 same? YES PWB assembly Drive NO PWB assembly Limit SW ViewSonic Corporation CONFIDENTIAL -- DO NOT COPY PJ750-2 13
  • ViewSonic PJ750-2 | Service Manual - Page 17
    does not light What is the state of LAMP indicator D302 during operation? Light Change the lamp. Does lamp light? Light Lamp Not light Not light Is the voltage at collector at disconnecting E302. about 10kQ PWB assembly Drive ViewSonic Corporation CONFIDENTIAL -- DO NOT COPY PJ750-2 14
  • ViewSonic PJ750-2 | Service Manual - Page 18
    (1S01) EL4332CS PWB assembly Signal Power unit (circuit) PWB assembly Drive LCD panel C Picture is not displayed when the VIDEO, S-VIDEO, Component PWB assembly Signal 0V PWB assembly Drive PWB assembly Drive LCD module assembly ViewSonic Corporation CONFIDENTIAL -- DO NOT COPY PJ750-2 15
  • ViewSonic PJ750-2 | Service Manual - Page 19
    TDP Are the signals input at each NO pin of 1306 on the PWB assembly Drive? YES C) : RX :TX PWB assembly Drive PWB assembly Signal ViewSonic Corporation CONFIDENTIAL -- DO NOT COPY PJ750-2 16
  • ViewSonic PJ750-2 | Service Manual - Page 20
    6. Assembly Removal, Replacement, and Maintenance • Cautions when removing the Upper case assembly When you remove Disconnect the 2 board-to-board connector. 3) Disconnect 2 cables lifting the PWB assembly Drive. ViewSonic Corporation Disconnect 2 cables CONFIDENTIAL -- DO NOT COPY PJ750-2 17
  • ViewSonic PJ750-2 | Service Manual - Page 21
    replace part, LCD / Lens Prism assembly, or send the whole unit LCD / Lens Prism assembly back to SUPPLIER, where we will replace SAFETY INSTRUCTIONS" thoroughly to ensure that maintenance is performed correctly. • Replace the projector. ViewSonic Corporation CONFIDENTIAL -- DO NOT COPY PJ750-2 18
  • ViewSonic PJ750-2 | Service Manual - Page 22
    this remote control projector is switched ON. NOTE: The LAMP indicator is also red when the lamp unit reaches high temperature. Before replacing the lamp, switch power OFF, wait approximately 20 minutes, and switch power ON again. If the LAMP indicator is still red, replace the lamp. ViewSonic
  • ViewSonic PJ750-2 | Service Manual - Page 23
    the timer display is cleared. NOTE: Do not reset the lamp timer without replacing the lamp. Reset the lamp timer always when replacing the lamp. The message functions will not operate properly if the lamp timer is not reset correctly. ViewSonic Corporation CONFIDENTIAL -- DO NOT COPY PJ750-2 20
  • ViewSonic PJ750-2 | Service Manual - Page 24
    LAMP, RESET THE LAMP TIMER" "CHANGE THE LAMP" "AFTER REPLACING LAMP, RESET THE LAMP TIMER" "THE POWER WILL TURN OFF AFTER 20 Hr." Lamp has 1,700 hours on it and may need to be changed. Lamp has 1,979 hours on it. See "Reset the lamp timer" Blinking of "CHANGE THE LAMP" "AFTER REPLACING LAMP, RESET
  • ViewSonic PJ750-2 | Service Manual - Page 25
    AUDIO_AMP .-) ::"""SEL3 !:!!CONIP. TEMP SENSOR SUB CPU PIC DAC ::P/S A DAC P/S COLOR UNIFORMITY TIMING GENERATOR 2nd_PLL S/H S/H :SHIFTER* micon_PLL *s, CONTROL PANEL DC POWER REGULATOR 0.9 type LCD XGA PANEL SP SP IR RECEIVER TEMP SENSOR PWB SW PWB FAN FAN DC POWER. SUPPLY PWI3
  • ViewSonic PJ750-2 | Service Manual - Page 26
    LCD-B GNI E002 2 3 FAN2S LCD-G GND FAN3S [7133 2 LCD-R FAN SPEAKER ROUT2 ROUT+ SPEAKER 080: 2 OUT COVER E941 PWEl assembly SW. FAN4S _ 2 OUT FAN GND FANSS LAMP GND O O AC INLET LAMP TEMPERATURE SWITCH TEMP OUT TEMP RETURN 2 ViewSonic Corporation CONFIDENTIAL -- DO NOT COPY PJ750
  • ViewSonic PJ750-2 | Service Manual - Page 27
    AdO0 ION oa -- ivinsmaidNO3 uogemdmo oluosmem Check the connection between the CN102 and the CN104. (Because it is impossible to check it afterward) 0 Pass this through a notch of the PWB holder. z z 0 0 0OoOao 00°0 0 0 Let the CNPOW and TSW cables cross each other (so that the TSW will
  • ViewSonic PJ750-2 | Service Manual - Page 28
    locked. CNPWR 5 11'111 Keep the CNTH passing through a hook of the Power PWB Holder as shown in the diagram below. Lamp lead Check that the black cover of a lamp lead is securely inserted into the connector. If even a trivial portion of the white cover is visible inside in a state where the
  • ViewSonic PJ750-2 | Service Manual - Page 29
    cable sag down (so that it will not approach the primary power side). CNBA Pass through the ballast cover guide after clamping the TSW cable as shown in the diagram. c Lamp + lead O I I SS i 0 0 Keep individual cables away from positions to mount optical units as shown in the diagram so
  • ViewSonic PJ750-2 | Service Manual - Page 30
    . 0 Furthermore, exercise caution not to let it ride over the duct fan #3030. Concave of lamp house lLeaadmp #3030 O AdO0 ION O0 -- 1VIIN301ANO0 Pass the #6270 and 6261 cables 1 through the guide of a suction duct @ O Wire the #6270 and 6261 cables inside the black sheet wall. #6261
  • ViewSonic PJ750-2 | Service Manual - Page 31
    cables in a state where the PWB assembly Drive is mounted. Fan for lamp Fan for B panel #6261 Connect this to the Connect this to the fan guide as shown in the diagram, fold it back, and then pass it through the guide again. CONFIDENTIAL - DO NOT COPY CNRM PWB assembly Remote control cable
  • ViewSonic PJ750-2 | Service Manual - Page 32
    uoneiodioo o!uosmalA Upper case * Installing the A83 cable on the upper case TAP1 A83 and affixing of the TAP1 are to be performed in accordance with an assembly drawing. AdO3 ION oa -- 1VIIN3aldNO3 A84 Pass the A84 cable through the right side of a catch on the upper case as shown in the
  • ViewSonic PJ750-2 | Service Manual - Page 33
    47 2125 4 0 0 NW 4N CO"' 0 mu I 00-0 U co TP01 TP03 2 3 E901 OF13- 32L 0 M Z W I0 U 2 W a 3 3 PWB assembly REMOTE CONTROL E941 0F13-2P(H) OUT 0 1 2 0 2 COVER 5941 2 PWB assembly LIMIT SWITCH 1 A B C D E ViewSonic Corporation CONFIDENTIAL -- DO NOT COPY PJ750-2 30
  • ViewSonic PJ750-2 | Service Manual - Page 34
    uoggiodio3 o!uognitam AdO3 ION oa -- 7VI1N3aldNO9 ON1 01 = RI L4 DTI D 429 a 446 R21 57 R22 002 T C32 1-2 R2 C2 03 -4 I DI71' C'S - C7 025 127I * R3 01 LI 013 MA. 2D1 R55 02 pas * R411 R49 R50 *199 * R10 R4 * RS *RS1 R11 * RI3 NO *R19 VR2 R13 CI1 • OR24 DR R25 101 xi 033
  • ViewSonic PJ750-2 | Service Manual - Page 35
    *R154 0113 13 23 10104 10 IC102 Ws 6- MA 6108 8125 0106 t;I5)5 R133 QM5 LAMP 3 5V 43 0106 P-REF 3 4135 RIDS X X X I DIM 4 32 6129 181 C110 SOT 01011 RI78 R1711 02 0103 *Pm 4 RI60 6077 0161 6173 24 35 LAMP our L-SF 30 @ O7 12 IS ® *4 #6 *4 188 130 171 11131 0111
  • ViewSonic PJ750-2 | Service Manual - Page 36
    C WD O111) sa we 9 VV7 (C12> CPU-RESET EMU -RESET I MCKEXT I EIGNEXT I R203 4.7K I 500 I TXD LAMP-COAT GS DATA
  • ViewSonic PJ750-2 | Service Manual - Page 37
    6 5 CN1 ' SW). F101 I 4 O41 t N 2> *)-- 3 1 CM > 1 2 1101 U 1102 0101 a, 1104 _4•1y -y"y-) Cu D 1C101 4 6 81.16 48, 0 a a 0 grit) CR101 0104 a aCJ 6 CNI 01 > 2 C14101 5 A RI 4 3 ) 2 A B C ViewSonic Corporation POWER UNIT (CIRCUIT) 1 E 1 F Confidential - Do Not Copy G
  • ViewSonic PJ750-2 | Service Manual - Page 38
    10 +DATA 2129 GM0 O 4 A B C D ViewSonic Corporation 6 1,9 OM03 2551132 25 100K 2222 0503 13 2125 470 IM08 H074LV32ATELL 1403 5MK0160- 02015 IR Decode 055 3 AIN 0000 CNVOS 0 /RESET 0 FO PI G0/INT TOD oo 01 I0p00 T T3au"w 01 02/0 a 03 3 E F G Confidential - Do Not Copy PJ750-2
  • ViewSonic PJ750-2 | Service Manual - Page 39
    2125 CA05 2126/5 9 8 CA05 2.24/0.3 2125 CA07 2.24/5.3 2125 2 mo 11 64 0 r622, 2W22, 9421 Tt, I A B C D ViewSonic Corporation TPDS 85112 P 0 0 0 ti 6 TP1 TP12 t41 8 REMOTE TP13 0 LON 02 O TP14 .--73-° 5.009 0 0 TP15 .-FF-° 5, YIN 14 ' 71 07290 DATA. A CLK.A 722 PI IN 00
  • ViewSonic PJ750-2 | Service Manual - Page 40
    4REN 0304 2SC3775 RS99 0 RS96 RSA6 1K R5A3 820 4REN +6VST ES M1 0 0 a° O y a O Oo 2 0 0 a° 92 0 0 9 960 0 (t) 0a /2 ° 07-1 0 TP050 O TP07 1 • 77 01608 PWB assembly SIGNAL 1 A B C D E F G ViewSonic Corporation Confidential - Do Not Copy PJ750-2 43
  • ViewSonic PJ750-2 | Service Manual - Page 41
    VVCL OUTL INL 17 INL+ INR+ 15 INR 14 OUTR 13 VccR RV66 56K FIVER 56K REMOTE OUSE TD RD VOL SEL DATA -A CLK A VS R279 RV78 S C S Y O UTE (LOWITE/L'OPERATE) 3 IV23 5.6.006FP 2) 3 4 6 O 1 A B C ViewSonic Corporation UT PO ER5 +6 1 PWB assembly DRIVE 10 AUGND D E F Confidential - Do Not
  • ViewSonic PJ750-2 | Service Manual - Page 42
    IIII 6 I 450ST S-C S Y C. Video 5 4 41 3 2 A ViewSonic Corporation V 6 0559 o 0V37 0.047 CV55 100/1.3 DEMO CV35 0.22 II CV05 1000P r9i / 0014II330P cS E RV 3Y 9 OPEN 0045 M 33 VHS2 0052 I2000T I022.0 PWB assembly DRIVE 9 C D E F G Confidential - Do Not Copy PJ750-2 41
  • ViewSonic PJ750-2 | Service Manual - Page 43
    RG61/2 13 0 0 18 3 14 0 0 17 0 77'7 ill000001 GEBK1 V -HS V 5 2 VV52 VHS2 1 A ViewSonic Corporation - O V -Cr 0165 75 2166 680 6152 100 C114 33P-7 NFM6OR I -- 32 16 8167 75 R168 680 0 SE \ \ \ 2 A- PORT 1 PWB assembly DRIVE 8 D E I F Confidential - Do Not Copy G PJ750-2
  • ViewSonic PJ750-2 | Service Manual - Page 44
    DRIVE 7 0702 C0630FPORSH I 0 DY 0 DLY 3 0 CLY 4 5 0 VDDY 900X X 0 10 11 15 17 18 0 15 0 20 1 21 0 72 23 0 24 25 26 27 28 0 29 0 30 A ViewSonic Corporation : Confidential - Do Not Copy PJ750-2
  • ViewSonic PJ750-2 | Service Manual - Page 45
    6 5 4 11.11 3 2 1 A ViewSonic Corporation ti c▪c IOn O In 0:1 co DJ CO OD 6 6525 3. 9K IX 2524 I603 6.44660F 0621 0.01 1005 Fli24 1.coCAG a 9621 6.6K E Confidential - Do Not Copy C717 07/6 0.1 0.01 1005 1005 C715 O. 2125 7177 Uco) co 1 co PWB assembly DRIVE 6 F G PJ750-2
  • ViewSonic PJ750-2 | Service Manual - Page 46
    VSYNC 9 HRESETO 0 VRESETO OSDRINI OSDRINO OSOS 1 ONO HPLL V002 OCLK RESET 12 SCS 12 SCLK 4 GND SDATA 0001 2061,2 CLP1 ENBY1 7 BUS G1 BUS R1 BUSI z z GFRP RFRP BUS2 PWB assembly DRIVE 5 A B C D E F G 6 5 4 1 3 2 ViewSonic Corporation Confidential - Do Not Copy PJ750-2 37
  • ViewSonic PJ750-2 | Service Manual - Page 47
    LCD-FAN 21 3 6 1801 PNA4612MYA -rr :77p43 7P4 I041 BA033FP 4 C641 #31-3 5 8605 Od 92. Od 100133PM 1 0 0 L814 BLM11116018PT OND 0 2 B15L0MH11450450T R819 REMOTE CNAFF 0 • OND 0 LAMP MISS SILENT MODE 0K.T0A 010114004 A B C ViewSonic Corporation 1812 00200011 2 PJ750-2 36
  • ViewSonic PJ750-2 | Service Manual - Page 48
    0302 000114224 10/10 II3225 15 6 COVES-9 6065TN 5 CPU RESET AN S LA P ON LAMP LA P 0 A P ST 4 TEMP SE 1,11r 10 NICC141809.18847R29.0/C0 3 5/2 0323 0.1 K 1005 2 1 A ViewSonic Corporation 034 R352 O I307 ICS:: L302 220 4532 rg" NC D E F G Confidential - Do Not Copy PJ750-2
  • ViewSonic PJ750-2 | Service Manual - Page 49
    GNO 55A 02511 0.01-1005 0280 100 YV, 0249 100 RIGS 020 A I B D ViewSonic Corporation 015 07 / ID A 05 1213 D12 04 00 r 01 02 cs, D3 08 H, DS 010 • 011 \ •0 \ 014 • 015 RAMIE I SHEN WES CPU- RESET O271 100 APER 8272: 100 4REN 0273 4AR0EN R274 100 4REM Y5 04 Y2 „ VI - PJ750-2
  • ViewSonic PJ750-2 | Service Manual - Page 50
    5 4.3V >6 04107 4,3V C14162 > 7 4.3V 3 4,3V ct4to2 >13 PFC ON/OFF `14!°120 GND C/>111021 GND CH107 >12 GND CH,11042 GND 2 CHIO2 9 GND(Oudlo) A B ViewSonic Corporation POWER UNIT (CIRCUIT) 2 D E F Confidential - Do Not Copy
  • ViewSonic PJ750-2 | Service Manual - Page 51
    11. Disassembly diagram M : Meter screw T : Tapping screw "-•===f=.1,1' ": 0 T3X12 T3X12 M3X8 20 5 25 O 30 22 M3X65 Q.) 3 gib M3X65 7 4 6 M3X6 9 8 M3X6 ViewSonic Corporation CONFIDENTIAL -- DO NOT COPY PJ750-2 48
  • ViewSonic PJ750-2 | Service Manual - Page 52
    M : Meter screw T : Tapping screw M3X8 < S> T3X12 M3X8 0 19 18 T2X5 16 M233X01 17 12 M3X25 26 VT3X1T23X12 11T3XT132X12 21 28 14 24 21 T3X12 M3X815 M3X8 0 13 29 T3X10 M3X8 4 M3X8 C) CD. 3 27 4 ViewSonic Corporation CONFIDENTIAL -- DO NOT COPY PJ750-2 49
  • ViewSonic PJ750-2 | Service Manual - Page 53
    replacing any of these components, carefully read the PRODUCT SAFETY NOTICE of this Service Manual. LOCATION 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 L 18 L 19 ,n, 20 ,L 21 ,L 22 z 23 ,L 24 L 25 26 27 28 29 30 ,L, L L ViewSonic REAR ADJUST FOOT LCD LENS PRISM ASS'Y EL4332CS LAMP UNIT ASS'Y HANDLE
  • ViewSonic PJ750-2 | Service Manual - Page 54
    5 6 Action byte_0 - 1) Classification Content SET Change setting to desired value. GET Read projector internal setup value. INCREMENT Increment setup value by 1. DECREMENT Decrement setup value by 1. EXECUTE Run a command. ViewSonic Corporation CONFIDENTIAL -- DO NOT COPY PJ750-2 51
  • ViewSonic PJ750-2 | Service Manual - Page 55
    an interval of at least 40ms between the response code and any other code. • The projector outputs test data when the power supply is switched ON, and when the lamp is lit. Ignore this data. • Commands are not accepted during warm-up. ViewSonic Corporation CONFIDENTIAL -- DO NOT COPY PJ750-2 52
  • ViewSonic PJ750-2 | Service Manual - Page 56
    05 30 04 00 05 00 06 00 07 00 08 00 BE EF 03 06 00 C4 D3 02 00 05 30 00 00 ViewSonic Corporation CONFIDENTIAL -- DO NOT COPY PJ750-2 53
  • ViewSonic PJ750-2 | Service Manual - Page 57
    00 00 Brightness Reset Execute BE EF 03 06 00 58 D3 06 00 00 70 00 00 Contrast Reset Execute BE EF (Fan-error) (Lamp-error) Power OFF Set ON Get RGB1 04 00 05 00 06 00 (Temp-error) (Air flow-error) (Lamp-Time-over) BE EF ViewSonic Corporation CONFIDENTIAL -- DO NOT COPY PJ750-2 54
  • ViewSonic PJ750-2 | Service Manual - Page 58
    00 02 21 00 00 02 21 00 00 02 21 00 00 03 21 00 00 03 21 00 00 03 21 00 00 ViewSonic Corporation CONFIDENTIAL -- DO NOT COPY PJ750-2 55
  • ViewSonic PJ750-2 | Service Manual - Page 59
    EF 03 06 00 62 72 01 00 05 22 01 00 BE EF 03 06 00 C1 73 02 00 05 22 00 00 ViewSonic Corporation CONFIDENTIAL - DO NOT COPY PJ750-2 56
  • ViewSonic PJ750-2 | Service Manual - Page 60
    EF 03 06 00 6B F4 01 00 BO 30 01 00 BE EF 03 06 00 C8 F5 02 00 BO 30 00 00 ViewSonic Corporation CONFIDENTIAL -- DO NOT COPY PJ750-2 57
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Service
Manual
ViewSonic
PJ750-2
Model
No.
VPROJ24247-1W
Color
Super
Bright
XGA
Ultra
-Portable
Projector
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PJ750
ri
1111
J
JJ
(PJ750-2
SM
529
-
Rev.
la
—
April
2002)
ViewSonic®
381
Brea
Canyon
Road,
Walnut,
California
91789
USA
-
(800)
888-8583