Apple 1705 - Manuals
Apple 1705 – Manual in PDF format online.
Manuals:
Manual Apple 1705
Summary
Service Source K Basics Apple Multiple Scan 1705 Display
Basics - 1 Overview The Apple Multiple Scan 1705 Display is a low-cost monitor with a 17-inch CRT (15.8-inch viewable image size).This monitor comes with a Macintosh-to-VGA adapter so it can be used with most IBM PC-compatible computers equipped with VGA or greater capability.
Basics - 2 Features Features of the 1705 monitor are • A 17-inch color display • Three different and independent lines to drive for red, green, and blue. • 111.5 MHz bandwidth • High resolution CDT (Color Display Tube) display: – Horizontal 1280 dots – Vertical 1024 lines without blurring. • Analog ...
Basics - 4 Troubleshooting and Repair Tips The monitor stand does not need to be removed before the rear housing is removed. When the video and main deflection boards are removed from the bezel, special care must be taken to avoid damaging the user brightness and contrast controls. These knobs protr...
Basics - 5 Special Tools When adjusting the monitor, check luminance readings using a color analyzer or photometer. If such equipment is not available, then use a 246 or an L-248 light meter. Do not use other light meters. The readings given in the Adjustments chapter are based on these meters. The ...
Service Source K Specifications Apple Multiple Scan 1705 Display
Specifications Characteristics - 1 Characteristics Picture Tube Size/Active Video Display area 17 inches FST, 15.8-inch diagonal viewable image size Gu n : I n - l i n e Neck Diameter: 1.164 inches (29.1mm) Phosphor: P22 Dot Pitch: 0.28 mm Screen Resolution 720x400 at 70 Hz in VGA mode 640x480 at 60...
Specifications Characteristics - 2 Scan Rates Vertical refresh rate: 47-120 Hz Horizontal scan rate: 31-65 kHz In addition, to the above scan rates, this display works at the following VESA (Video Electronics Standards Association) standard modes. See the manual that came with the computer or video ...
Specifications Controls and Ports - 7 Controls and Ports User Controls Power Front panel: brightness and contrast control knobs; degauss button; down and up buttons, which also perform the recall function; and select buttons to reset factory settings and adjust size, shape, alignment, and borders of...
Specifications Physical and Electrical - 8 Physical and Electrical Power Supply Universal power supply Voltage: AC 90-264 volts (V) Frequency: 47/63 hertz (Hz), single phase Power: 100 watts (W) maximum Size and Weight Height: 17.6 in. (437 mm) Width: 16.8 in. (420 mm) Depth: 19.6 in. (479 mm) Weigh...
Specifications Environmental - 9 Environmental Temperature Operating: 50°F to 104°F (10°C to 40°C) Shipping: -4 ° F to 151 ° F (-40 ° C to 65 ° C ) Storage: 32°F to 140°F (0°C to 60°C) Altitude Operating: 0 ft. to 10,000 ft. (0 m to 3,000 m) Shipping: 0 ft. to 35,000 ft. (0 m to 10,606 m) Humidity O...
Service Source K Troubleshooting Apple Multiple Scan 1705 Display
Troubleshooting General/ - 1 General In this chapter, you will find Symptom Charts designed to help you diagnose and repair the Multiple Scan 1705 Display. Go through the Symptom Charts until you find the right symptom. Because cures are listed in the order of the most likely solution, begin with th...
Troubleshooting First Checklist/ - 2 First Checklist Important: Many Apple Multiple Scan Display modules returned for repair are found to be fully operational. Read this checklist before you return a module, and prevent needless module replacement and unnecessary time delays. The Apple Multiple Scan...
Troubleshooting Symptom Charts/No Raster - 5 Symptom Charts No Raster No raster with LED on 1 Check monitor cable connections. Thumbscrews must be tightened securely. If a video card is used, the monitor cable must be secured to the card. 2 Adjust brightness and contrast controls (see “User Adjustme...
Troubleshooting Symptom Charts/ Video - 8 Video Screen flickers 1 Check the monitor cable connections. The thumbscrews must be tightened securely. If a video card is used, the monitor cable must be secured to the card. 2 Check for external interference by moving the monitor to another location. 3 If...
Troubleshooting Symptom Charts/ Geometry - 11 Geometry Raster is too short, tall, narrow, or wide 1 Adjust the width and height of the screen. See “User Adjustments” in Adjustments. 2 Doublecheck the user controls. 3 Replace video and main deflection boards. See “Main Deflection, CRT/Video Boards an...
Troubleshooting Symptom Charts/ Miscellaneous - 13 Miscellaneous Indicator light goes out before adjustment of display controls is completed The LED will go out after 10 seconds by design. This is a normal function.
Troubleshooting Checking High Voltage - 14 Checking High Voltage ± Warning: Read all of the warnings, notes, and steps of this procedure before beginning. ± Warning: Voltage at the anode, with the power on, can cause serious injury. Doublecheck all multimeter connections before taking the reading. ±...
Troubleshooting No Raster Flowchart - 17 No Raster Flowchart Check High- Voltage Did multimeter read 25.0 VDC (25 kv ?) 1. Set multi-meter to DC.2. Attach ground probe (black) to monitor frame3. Touch multimeter red probe to CRT socket pin H. See picture A. Does multimeter read about 6 VDC? Check th...
Service Source K Take Apart Apple Multiple Scan 1705 Display
Take Apart Special Safety Precautions - 1 Special Safety Precautions The only potential source of X-Radiation is the CRT. When the high voltage circuitry is operating properly, there is no possibility of an X-Radiation problem. Keep the high voltage at the factory-recommended level of 26 kV. This vo...
Take Apart Rear Housing - 7 Rear Housing First: No first steps required Warning: This product contains high voltage and a high- vacuum picture tube. To prevent serious injury or equipment damage, review the CRT safety and discharge instructions in Bulletins/Safety.
Take Apart EMI Shield - 11 EMI Shield Before you begin, remove the rear cover. Warning: This product contains high voltage and a high- vacuum picture tube. To prevent serious injury or equipment damage, review the CRT safety and discharge instructions in Bulletins/Safety.
Take Apart Bezel - 32 Bezel Before you begin, remove the following: • Rear Housing • EMI Shield Warning: This product contains high voltage and a high- vacuum picture tube. To prevent serious injury or equipment damage, review the CRT safety and discharge instructions in Bulletins/Safety.
Take Apart Brightness and Contrast Knobs - 40 Brightness and Contrast Knobs Warning: This product contains high voltage and a high- vacuum picture tube. To prevent serious injury or equipment damage, review the CRT safety and discharge instructions in Bulletins/Safety. Before you begin, remove the f...
Take Apart On/Off Switch with Spring - 41 On/Off Switch with Spring Warning: This product contains high voltage and a high- vacuum picture tube. To prevent serious injury or equipment damage, review the CRT safety and discharge instructions in Bulletins/Safety. Before you begin, remove the following...
Take Apart Video Interconnect Cable - 57 Video Interconnect Cable Before you begin, remove the following: • Rear Housing • EMI Shield Warning: This product contains high voltage and a high- vacuum picture tube. To prevent serious injury or equipment damage, review the CRT safety and discharge instru...
Take Apart - 68 Multiple Scan 1705 Display Simplified Wiring Diagram P901 P902 P703 P601 P702 P701 P704 FBT P302 P301 P304 AC Socket
Service Source K Additional Procedures Apple Multiple Scan 1705 Display
Additional Procedures Introduction - 1 Introduction The “Adjusting the Degaussing Coils” procedure describes the proper position of the degaussing coils in relation to the CRT corners and the canceling coil. Follow this procedure whenever you take apart or reassemble a unit. Important: To maximize p...
Service Source K Adjustments Apple Multiple Scan 1705 Display
Adjustments User Adjustments - 1 User Adjustments The image adjusted by the user is saved into the memory on the monitor CPU (Central Processing Unit). Therefore, when the monitor is powered on again, the image is displayed exactly the same as saved by the user.
Adjustments User Adjustments - 2 Controls A flip-down door covers the controls on the front of the monitor. Gently push on the top center of the door to open or close it. The power button is located to the right of the control panel and power LED. P o w e r B u t t o n P o w e r L E D C o n t r o l ...
Adjustments User Adjustments - 4 Geometry Horizontal Center 1 Press and hold the SELECT button until the indicator light for the horizontal center icon goes on. 2 Press the DOWN and UP buttons to move the center of the picture left or right.
Adjustments User Adjustments - 5 Width of Picture 1 Press and hold the SELECT button until the indicator light for the width icon goes on. 2 Press the DOWN and UP buttons to narrow or widen the picture.
Adjustments User Adjustments - 6 Vertical Center 1 Press and hold the SELECT button until the indicator light for the vertical center icon goes on. 2 Press the DOWN and UP buttons to move the center of the picture down or up.
Adjustments User Adjustments - 7 Height of Picture 1 Press the SELECT button until the indicator light for the height icon goes on. 2 Press the DOWN and UP buttons to decrease or increase the height of the picture.
Adjustments User Adjustments - 8 Picture Curvature 1 Press and hold the SELECT button until the indicator light for the picture curvature icon goes on. 2 Press the DOWN and UP buttons to change the arch of the picture border.
Adjustments User Adjustments - 9 Picture Side Alignment 1 Press and hold the SELECT button until the indicator light for the side alignment icon goes on. 2 Press the DOWN and UP buttons to change the alignment.
Adjustments User Adjustments - 10 Degauss Press the DEGAUSS button to degauss the monitor.
Adjustments User Adjustments - 11 Factory Settings Note: Picture controls are generally fine-tuned by the user. To revert to the factory settings, press the DOWN and UP buttons at the same time.
Adjustments Non User Adjustments - 12 Non User Adjustments Warning: This product contains high voltage and a high- vacuum picture tube. To prevent serious injury or equipment damage, review the CRT safety and discharge instructions in Safety Information under the DO menu. Warning: Use a plastic scre...
Adjustments Non User Adjustments - 13 Light Meter Setup Note: When a color analyzer or photometer are not available, use an R77, a 246, or an L-248 light meter to measure the brightness of the monitor screen. Model R77 (Apple part number 076-0310) is the newest light meter model available.
Adjustments Non User Adjustments - 29 Focus Adjustment Before you begin, remove the following: • Rear Housing • EMI Shield1 Using Display Service Utility, select the display pattern containing nine gray boxes on a dark field. 2 Set the user controls to maximum brightness and contrast (clock- wise).
Adjustments Non User Adjustments - 41 Cutoff Adjustment Note: If presets were done correctly, when the white screen is displayed using Display Service Utility, the screen will have a blue tint. If the blue tint is not present, redo the presets.1 In the monitor control panel, set the monitor operatio...
Adjustments Non User Adjustments - 45 White Balance Adjustment Note: Cutoff must be properly set before the white balance can be adjusted. If the cutoff was not adjusted, go to that procedure and adjust the cutoff now.1 Using Display Service Utility, select the display pattern containing a small whi...
Adjustments - 49 Apple Multiple Scan 1705 Display Adjustment Points Use this drawing to locate the adjustment points on the main deflection and video boards. SW901 (Power Switch) VR702 (Contrast) VR201 (Bright) VR704(Subcontrast) VR703 (ABL) VR701 (H-Raster Center) VR501 (Highvoltage Adjustment) VR3...
Service Source K Exploded View Apple Multiple Scan 1705 Display
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