Manual - Maintenance Electronique / Monitors Service Center

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5 Disassembly and Reassembly 5-2 Reassembly Reassembly procedures are in the reverse order of Disassembly procedures. 5-4 SyncMaster 1000s (CGP1607L)
6 Alignment and Adjustments This section of the service manual explains how to make permanent adjustments to the monitor. Direction is given for adjustment using the RS232C Serial Communications Adapter and software. 6-1 Adjustment Conditions Caution: Changes made without the SoftJig are saved only to the user mode settings. As such, the settings are not permanently stored and may be inadvertently deleted by the user. 6-1-1 Before Making Adjustments 6-1-1 (a) ORIENTATION When servicing, always face the monitor to the east. 6-1-1 (b) MAGNETIC FIELDS Whenever possible, use magnetic field isolation equipment such as a Helmholtz field to surround the monitor. If a Helmholtz field is not available, frequently degauss the unit under test. Caution: Other electrical equipment may cause external magnetic fields which may interfere with monitor performance. Use an external degaussing coil to limit magnetic build up on the monitor. If an external degaussing coil is not available, use the internal degaussing circuit. However, do not use the internal degaussing circuit more than once per 30 minutes. 6-1-1 (c) WARM-UP TIME The monitor must be on for 30 minutes before starting alignment. Warm-up time is especially critical in color temperature and white balance adjustments. 6-1-1 (d) SIGNAL Analog, 0.714 Vp-p positive at 75 ohm, internal termination Sync: Separate/Composite (TTL level negative/positive) Sync-on-Green: Composite sync 0.286 Vp-p negative (Video 0.714 Vp-p positive) 6-1-1 (e) SCANNING FREQUENCY Horizontal: 30 kHz to 96 kHz Vertical: 50 Hz to 160 Hz All modes must be individually adjusted and adjustments saved. This monitor does not automatically adjust each mode. Refer to Table 3-1 on page 3-3. 6-1-1 (f) HIGH VOLTAGE AND +B 195V LINE ADJUSTMENT Signal: 1024 x 768 mode (68 kHz/85 Hz) Display image: Full white Contrast: Maximum Brightness: Maximum Limit: 27.5 kV ± 0.5 kV Measure the high voltage level at the anode cap. High voltage should be within the limit as above. If the high voltage needs adjustment use the following procedure: PROCEDURE 1. Adjust VR501 on the Main PCB so that the high voltage measures 27.5 kV ± 0.5 kV. 2. Using a soldering iron, melt the adjustment cap on VR501 to prevent any movement. 6-1-1 (g) G2 (SCREEN) VOLTAGE ADJUSTMENT Signal: 1024 x 768 mode (68 kHz/85 Hz) Display image: Crosshatch pattern Contrast: Maximum Brightness: Maximum Adjust the Screen VR of the FBT so that the G2 (Screen) Voltage for Hitachi is 530 V ± 10 V. 6-1-1 (h) CENTER RASTER Signal: 1024 x 768 mode (68 kHz/85 Hz) Display image: Crosshatch pattern Contrast: Maximum Brightness: Maximum Adjust VR401 so that the back raster comes to the center. 6-1-1 (i) BRIGHTNESS AND CONTRAST Unless otherwise specified, adjust control buttons: Brightness: Maximum Contrast: Maximum SyncMaster 1000s (CGP1607L) 6-1
Page 1 and 2: COLOR MONITOR SyncMaster 1000s (CGP
Page 3 and 4: 1 Precautions 1-1 Safety Precaution
Page 5 and 6: 2 Reference Information 2-1 List of
Page 7 and 8: 3 Product Specifications 3-1 Specif
Page 9 and 10: 3-3 Timing Chart Horizontal Vertica
Page 11 and 12: 4 Opearating Instructions 4-1 Contr
Page 13 and 14: 5 Disassembly and Reassembly This s
Page 15: 5-1-5 Removing the Power PCB 1. Com
Page 19 and 20: 6-2 Display Control Adjustments 6-2
Page 21 and 22: 6-3 Color Adjustments 6-3-1 Color C
Page 23 and 24: 6-3-4 (d) WHITE BALANCE ADJUSTMENT
Page 25 and 26: 5. After completing the red and blu
Page 27 and 28: 7 Troubleshooting 7-1 Parts Level B
Page 29 and 30: 7-1-3 H_Deflection Failure 26 27 18
Page 31 and 32: 7-1-7 Abnormal H_Size 14 Does the I
Page 33 and 34: 7-1-12 V_Size or V_Posi Variation F
Page 35 and 36: 7-1-15 Dynamic Focus Failure 24 47
Page 37 and 38: 7-1-17 Micom Failure 13 Is the IC20
Page 39 and 40: 7-1-19 User Control Failure Check C
Page 41 and 42: 7-2-2 Shut Down Is power LED blinki
Page 43 and 44: 7-2-4 Visible Retrace 34 35 Check w
Page 45 and 46: 7-2-6 Misconvergence Try readjustin
Page 47 and 48: 8 Exploded View and Parts List 8-1
Page 49 and 50: 8-3 Rear Cover Ass’y 8 Exploded V
Page 51 and 52: 9 Electrical Parts List 9-1 Main PC
Page 53 and 54: C456 280.1 66.2 2306-000125 C-FILM,
Page 55 and 56: IC403 296.8 137.9 1204-001323 IC-DE
Page 57 and 58: R252 310.5 136.4 2001-000029 REF-CF
Page 59 and 60: R497 30 46.2 2001-000043 REF-CF,1K,
Page 61 and 62: 9-2 Power PCB Parts C601 150.2 40.3
Page 63 and 64: IC701 20.4 171.1 BH13-10335Q IC-HYB
Page 65 and 66: 9-3 Video PCB Parts C101 45.4 100.9
Page 67 and 68:
CB112 205.9 226.2 2305-000009 (T)25
Page 69 and 70:
HR03 69.1 47.1 2001-000324 REF-CF,1
Page 71 and 72:
R149 179.1 195.1 2004-000150 R-META
Page 73 and 74:
RG114 117 195.5 2001-000020 R-CARBO
Page 75 and 76:
9 Electrical Parts List Others Loc.
Page 77 and 78:
10 Block Diagram BRIGHT UNIFORMATY
Page 79 and 80:
11 PCB Diagrams 11-1 Semiconductor
Page 81 and 82:
12 Wiring Diagram DEGAUSSING COIL A
Page 83 and 84:
6 34.4 V (IC301, #6)) CH1 P-P = 34.
Page 85 and 86:
pin # 1 2 3 4 5 6 7 8 9 10 11 12 13
Page 87 and 88:
pin # 1 2 3 4 5 6 7 8 Unit: Vrms pi
Page 89 and 90:
pin # 1 2 3 4 5 6 7 Unit: Vrms pin
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Manual - Maintenance Electronique / Monitors Service Center

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