List Of Figures; Table - Epson DLQ-3000 Service Manual

CHAPTER 5 Troubleshooting
Table of Contents
5.1 OVERVIEW
5.2 UNIT LEVEL TROUBLESHOOTING
5.3 BOARD ASSY., C124 PSB/PSE REPAIR
5.4 BOARD ASSY., C124 MAIN REPAIR
Figure 5-1. Troubleshooting Procedure . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5-1
Figure 5-2. Unit Replacement-l . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5-4
Figure 5-3. Unit Replacement -2 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5-5
Figure 5-4. Unit Replacement -3 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5-6
Figure 5-5. Unit Replacement-4 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5-7
Figure 5-6. Unit Replacement - 5 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5-8
Unit Replacement - 6 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5-9
Figure 5-7.
Figure 5-8.
Power Supply Board Sample Waveform - 1 . . . . . . . . . . . . . . . . . 5-14
Figure 5-9.
Power Supply Board Sample Waveform -2. . . . . . . . . . . . . . . . 5-14
Figure 5-10.
Power Supply Board Sample Waveform -3. . . . . . . . . . . . . . . . 5-14
Figure 5-11.
Figure 5-12. Main Board Sample Waveform - 1 . . . . . . . . . . . . . . . . . . . . . . . 5-18
Main Board Sample Waveform -2. . . . . . . . . . . . . . . . . . . . . . . 5-18
Figure 5-13.
Main Board Sample Waveform -3 . . . . . . . . . . . . . . . . . . . . . . . 5-18
Figure 5-14.
Main Board Sample Waveform -4. . . . . . . . . . . . . . . . . . . . . . . 5-19
Figure 5-15.

Table 5-1.

Measuring Instruments Necessary for Troubleshooting . . . . . . . . . 5-1
Table 5-2. Error Type . . . . . . . . . . . . . . . . . ~. . . . . . . . . . . . . . . . . . . . . . . . . . 5-2
Problems (Requiring Unit Replacement). . . . . . . . . . . . . . . . . . . . . 5-3
Table 5-3.
BOARD ASSY., C124 PSB/PSE Output Voltage . . . . . . . . . . . . . 5-10
Table 5-4.
Table 5-5. Motor Coil Resistance . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5-11
Table 5-6.
Table 5-7. Sensor Test Point . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5-1 I
Table 5-8. BOARDASSY., C124 PSB/PSE Repair. . . . . . . . . . . . . . . . . . . . 5-12
Table 5-9.

List of Figures

List of Tables
5-1
5-3
5-12
5-15