Related Manuals for ViewSonic VLCDS23722-1W
Summary of Contents for ViewSonic VLCDS23722-1W
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Page 1: Service Manual
Service Manual ViewSonic VE500-1 Model No. VLCDS23722-1W 15” Color TFT LCD Display (VE500-1_SM_526 - Rev. 1a – August 2002) ViewSonic 381 Brea Canyon Road, Walnut, California 91789 USA - (800) 888-8583... -
Page 2: Revision History
Further, ViewSonic reserves the right to revise this publication and to make changes from time to time in the contents hereof without obligation of ViewSonic to notify any person of such revision or changes. -
Page 3: Table Of Contents
INTERNAL CONNECTOR PIN DEFINITION ............5 BLOCK DIAGRAM....................9 TROUBLE SHOOTING F L O W C H A R T .............11 SPARE PARTS LIST ....................15 EXPLODED DIAGRAM AND SPARE PARTS LIST..........18 SCHEMATIC DIAGRAMS..................19 PCB LAYOUT DIAGRAM..................25 ViewSonic Corporation VE500-1 Confidential – Do Not Copy... -
Page 4: Precautions And Notices
The openings should never be blocked by placing the product on a bed, sofa, rug, or other similar surface. This product should never be placed near or over a radiator or heat register. This product should not be placed in a built-in installation unless proper ventilation is provided. ViewSonic Corporation VE500-1 Confidential – Do Not Copy... -
Page 5: Specifications
Dimensions ( W x H x D ) 38.5 cm x 35.3 cm x 16.5 cm. Weight 1850 kgs. (LCD Module only) 4.7kgs. (unit) Accessory VGA cable, AC/DC adapter, power cord. Temperature Operation : 0 ~ 40°C Storage : -10 ~ 60°C ViewSonic Corporation VE500-1 Confidential – Do Not Copy... -
Page 6: Location Of Controls
Press the power switch to turn the monitor on. Press it again to turn the monitor off. 6) POWER INDICATOR The LED will light with green color in normal on state, and will light with orange color in power saving mode. ViewSonic Corporation VE500-1 Confidential – Do Not Copy... -
Page 7: Adjusting Procedure
3. As shown on Fig. 4, Fig. 5 and Fig. 6. The screen will show "Auto image " out after the LED light is changed to Green 4. As shown on Fig. 6. The All Reset procedure is finished after "Auto image Adjust" message disappears. Fig.1 Fig. 2 Fig. 3 Fig. 4 Fig. 5 Fig. 6 Fig.7 ViewSonic Corporation VE500-1 Confidential – Do Not Copy... -
Page 8: Internal Connector Pin Definition
8 BLUE RETURN GND for BLUE video signal 10 SYNC. RETURN GND for Sync. signal 12 DDC data 13 H SYNC. Horizontal Sync. Signal 14 V SYNC. Vertical Sync. Signal 15 DDC clock ViewSonic Corporation VE500-1 Confidential – Do Not Copy... - Page 9 16 BB4 BLUE Data Signal of Even Pixels 17 BB5 BLUE Data Signal of Even Pixels 18 BB6 BLUE Data Signal of Even Pixels 19 BB7 BLUE Data Signal of Even Pixels ViewSonic Corporation VE500-1 Confidential – Do Not Copy...
- Page 10 CN3 :Output Terminal for OSD, Power and Brightness control. Used connector: VCNCP0906REJST- Pin No. Symbol Function 1 UP S2 For OSD Adjustment 2 MENU AND DOWN S1 For OSD Adjustment 3 LED-RED 4 LED-GRN 5 SOFT-START 6 GND ViewSonic Corporation VE500-1 Confidential – Do Not Copy...
- Page 11 4 ON/OFF ON:5V OFF:0V 5 ON/OFF ON:5V OFF:0V CN2, CN3:Output Terminal for LCD Panel Back-light Pin No. Symbol Function 1 High High Voltage for Backlight power supp 2 Low Low Voltage for Backlight power supp ViewSonic Corporation VE500-1 Confidential – Do Not Copy...
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Page 12: Block Diagram
INTERFACE BOARD ( DPWBN5396T8---- ) COMPUTER GRAPHICS SD1010A (DB15) AD9888 SCALER EEPROM DDC (U3) 24C08 EEPROM 24C21 INVERTER MTV230V 3.3V SWITCH MODE POWER FROM A/D ADAPTOR SW BOARD DPWBN5403T8---- INVERTER 15” LCD RUNTP5463T8---- PANEL ViewSonic Corporation VE500-1 Confidential – Do Not Copy... - Page 13 Switch board cable(QCNWS0906T8008-):28AWG, Shielding cable connection relationship PHR-11 PHR-8 Pin No. Pin No. Inverter cable(QCNWS0905T8005-):24AWG,Shielding cable connection relationship PHR-5 PHR-5 Pin No. Pin No. ViewSonic Corporation VE500-1 Confidential – Do Not Copy...
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Page 14: Trouble Shooting Flow Chart
Check connector board Check I/F board H,Vsyn Check LCD panel Vertical, Horizontal c error out of sync Check LCD Panel One or more colored vertical lines Even (or odd) vertical line is dark ViewSonic Corporation VE500-1 Confidential – Do Not Copy... - Page 15 Does the screen Display? Solution with No display Display ok ? Lost some Loss of bits RGB?? of RGB?? CHK R7(R ), R5(G),R3(B) U5 pin 33~36 LP2 ~ LP3 (PUSH KEY SWITCH) ViewSonic Corporation VE500-1 Confidential – Do Not Copy...
- Page 16 CHK U15 Pin 5,6 CHK CKT LP2 ~ LP13 Sheet 5 ok ? (Panel) CHK U6 CHK U15 CHK U15 No screen (if recall CHK CN3 handler function CHK Panel is OK) ViewSonic Corporation VE500-1 Confidential – Do Not Copy...
- Page 17 J3,12V INPUT CHK FUSE F1 U11 pin 2 1. L7 U13 pin 2 2. L8 3.3V 3. Q4 4. U5 U12 pin 2 1. Q5 3.3V 2. Panel DPWBN5396T8---B POWER FLOW ViewSonic Corporation VE500-1 Confidential – Do Not Copy...
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Page 18: Spare Parts List
8. VE500 SPARE PARTS LIST VIEWSONIC P/N DESCRIPTION PART NO. LOCATION 260045 E-C-0404-4885 CAPACITOR-C 39PF 50VDC M X7R VCICHN1HH330J-A C30,80,99,100 F1 (4A/125V) 260070 E-FS-0410-0099 FUSE 4A 125V QFS-Z402F-81UAA CONVERTER (VE500)-VSISC9884-110-D (A/D CONVERTER SMARTASIC SC9884) VSISC9884-110-D 260082 M-MS-0808-8001 SCALLER (VE500)-VSISD1010A----D (SMARTASIC SD1010A-2) - Page 19 8. VE500 SPARE PARTS LIST VIEWSONIC P/N DESCRIPTION PART NO. LOCATION 421706 L20023 SPONGE PCUSS1263T8 L20023 FOR LCD CABLE CORE 421707 RCORA5054T8 430001 A-AD-0114-0142 AC/DC ADAPTER RUNTP5457T8 430002 MODEL LABEL TLAB-5398T8 430003 A-CD-VE500 USER'S MANUAL TINSE2803T8 430004 L20050 TC099 DOCUMENT...
- Page 20 EXPLODED DIAGRAM ViewSonic Corporation VE500-1 Confidential – Do Not Copy...
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Page 21: Exploded Diagram And Spare Parts List
VE500 MECHANICAL PARTS LIST VIEWSONIC P/N DESCRIPTION REFERENCE NO. C-FP-0301-0849 FRONT COVER GCABA2301D8F-A LENS HDECP1929D8F- PL-NB-0707-0185 FUNCTION KNOB JKNBP2309D8F-A B-SB-0221-0487 FUNCTION PCB DPWBN5415T8- MAIN BRACKET LANGF2050D8- BRACKET (MAIN-SUB) LANGF2066D8- PL-PS-0715-0171 BASE GSTN-2870D8F-A M-MS-0808-8403 HINGE ASS'Y MHNGM0019D8- M-MS-0808-8405 BASE PLATE LANGF2052D8-A... -
Page 22: Schematic Diagrams
90/12/21 2421PWR 5V_DDC 5.6V 1000P DAN202U 5.6V VSYNC VGA_SCL VGA_SDA QPWB-5396T8---B P3V3 Title 24C21 SC9884_VIEWSONIC C100 Size Document Number 5.6V 5.6V U3 24C16-->24C21 Custom DPWBN5396T8---B 90/12/13 Date: Thursday, March 14, 2002 Sheet ViewSonic Corporation VE500-1 Confidential – Do Not Copy... - Page 23 IF USE C50 IS 0 O_HM, MUST USE D4 AND C119,BUT R64 NC 90/12/20 5V_ROM 3V3_MCU QPWB-5396T8---B VSS SDA Title MCU_MTV230_VIEWSONIC NC(24C16/DIP) Size Document Number DPWBN5396T8---B Date: Thursday, March 14, 2002 Sheet ViewSonic Corporation VE500-1 Confidential – Do Not Copy...
- Page 24 HS_OUT 0.1u 0.01u 0.1u 10u/10v HS_IN HS_SOG AV9173-01 N310 OSD_CLK 64RFIL-5232T8300A PLL1_PD PLLH_SEL NC(74HC4053) ASIC_RESET_ SOG_SEL SD_ROM_SCL EEPROM_SCL NC(74AHC1G126) QPWB-5396T8---B Title PLL1 Size Document Number DPWBN5396T8---B Date: Thursday, March 14, 2002 Sheet ViewSonic Corporation VE500-1 Confidential – Do Not Copy...
- Page 25 AIC1732_3.3V RFIL-5231T8600A 3V3_MCU VOUT C101 C102 0.1u 100u/16V 12V_INVERTER RFIL-5231T8600A BL_ENABLE ADJUST ON-OFF BL_ADJUST ON_OFF RFIL-5231T8600A CON5 0.1u QPWB-5396T8---B Title POWER_VIEWSONIC ViewSonic Corporation VE500-1 Size Document Number Confidential – Do Not Copy DPWBN5396T8---B Custom Date: Thursday, March 14, 2002 Sheet...
- Page 26 3V3b 3_3VSD RFIL-5231T8600A 100u/16V 0.1u 0.01U 0.1u 0.01U 0.1u 0.01U 0.1u 0.01U 0.1u 0.01U 0.1u 0.01U LCD_VCC NC(FH12-15S-0.5SH) FH12-50S-0.5SH QPWB-5396T8---B Title SD1010A_VIEWSONIC Size Document Number DPWBN5396T8---B Date: Thursday, March 14, 2002 Sheet ViewSonic Corporation VE500-1 Confidential – Do Not Copy...
- Page 27 SOFT_START KEY_GND 64RFIL-5232T8300A POWER SW C110 C114 C113 C112 C111 100P 100P 0.1u 0.1u 100P BOARD ID:QPWB-5403T8 REV:D KEYPAD BOARD Title QPWB-5403_VE500 Size Document Number DPWBN5403T8---- Date: Tuesday, January 22, 2030 Sheet ViewSonic Corporation VE500-1 Confidential – Do Not Copy...
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Page 28: Pcb Layout Diagram
PCB LAYOUT DIAGRAM ViewSonic Corporation VE500-1 Confidential – Do Not Copy...