Monitor Audio Vector Manuel de service Page 131
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Noté. / 5. Basé sur avis des utilisateurs
Remove and Replace
WFM90D and WFM91D Service Manual
6-31
Bottom Cover Assembly
The bottom cover assembly contains replaceable subparts. Procedures for
removing and installing the subparts are included below.
Remove. To remove the bottom cover:
1. Remove any installed batteries. R efer to Batteries on page 6--28.
2. Remove the six Torx screws from the bottom cover.
3. Carefully remove the bottom cover and place it beside the top cover.
CAUTION. To pr event damage to the battery-power wires soldered to the bottom
cover, carefully remove the bottom cover
4. Lift the Bottom board slightly out of the top cover so that you can pull the
battery-power wires from jumper J21 of the Bottom board. See Figure 6--16.
Replace. To replace the bottom cover:
1. Lift the Bottom board slightly out of the top cover so that you can connect
the battery-power wires onto jumper J21 of the Bottom board.
2. Carefully place the bottom cover onto the top cover.
CAUTION. To pr event damage to the battery-power or backlight wires, carefully
replace the bottom cover. The bottom cover has slots in the molded plastic to
hold both the Backlight board and Input board in place.
3. Install the six Torx screws into the bottom cover.
4. Install your removed batteries. Refer to Batteries on page 6--28.
Remove. To remove the battery power connector:
1. Remove the bottom cover. Refer to Bottom Cover on page 6--31.
2. Unsolder the battery connector wires from the battery contacts.
Bottom Cover
Battery Power Connector
- Service Manual 1
- WFM90D and WFM91D 1
- Handheld Waveform, Vector 1
- Picture, and Audio Monitor 1
- 071-1143-01 1
- WARRANTY 3
- Table of Contents 5
- Adjustment Procedures 6
- List of Figures 8
- List of Tables 10
- General Safety Summary 11
- Symbols and Terms 12
- Service Safety Summary 13
- About This Manual 15
- Related Manuals 15
- Contacting Tektronix 16
- Specifications 17
- Characteristics Tables 20
- Electrical Specifications 20
- Table 1- 2: DC restoration 22
- Table 1- 3: Audio mode 23
- Table 1- 5: Vector mode 24
- Table 1- 6: Synchronization 25
- Table 1- 7: Power source 25
- Physical Characteristics 26
- Environmental Characteristics 26
- Certification and Compliances 27
- Operating Information 29
- Installation 31
- Desk Stand 32
- Travel Case 33
- Electrical Installation 34
- Replacing the Alkaline 35
- Functional Overview 37
- Figure 2- 6: WFM90D keypad 38
- Menu Control 39
- Arrow Buttons 39
- Instrument Reset 40
- DC IN 11-18V 41
- Using the Menus 45
- Operating Menus 47
- Vector Menu 48
- Audio Menu 49
- Picture Menu 49
- WIP Menu 50
- (Waveform-in-Picture) 50
- Configuration Menu 51
- Line Select Menu 56
- Theory of Operation 57
- Top Board 60
- Performance Verification 63
- Summary V erification 66
- Equipment Required 67
- Sync Separation 69
- Overscan 72
- Vector Phase Stability 75
- Chrominance Bandwidth 76
- Check Sync Separation 79
- Check Frequency Response 80
- Adjustments 85
- Raster VCO 89
- Frequency Response 91
- Vector Quadrature Phase 93
- Vector Gain and X5 Gain Phase 93
- Audio Gain 94
- Vertical Gain 95
- Cable Margin 97
- Maintenance 101
- After Repair Adjustments 102
- Repackaging Instructions 102
- Remove and Replace 103
- Procedures 104
- Top Cover Assembly 105
- Remove Torx screws (6) 106
- LCD Display Assembly 107
- LCD - Newer Inst ruments 108
- LCD - Older Instruments 111
- Backlight 114
- Top Board Assembly 115
- Pull nub 116
- Top board 116
- Top Board Shield 117
- Bottom Board 119
- SDI Interface Board 121
- Backlight Board 122
- Input Board Assembly 124
- Battery Cover Assembly 125
- Turnlock Stud and 126
- Turnlock 127
- Battery cover 127
- Batteries 128
- Alkaline Batteries 129
- Bottom Cover Assembly 131
- Battery Contacts 132
- Turnlock Stud Receptacle 134
- Bottom Cover Electrical 134
- AC Adapt er EMI 137
- Suppressor 137
- Troubleshooting Procedures 139
- Battery-Fault Analysis 140
- Low -Voltage Power Supply 142
- Fault Symptom Table 143
- Troubleshooting Flowcharts 144
- Connector Diagram 159
- H NiMH battery pack 163
- H Viewing hood 163
- H Desk stand 163
- Accessories 164
- Replaceable Mechanical Parts 165
- Replaceable Parts List 167
- Abbreviations 168
- Mfr. Code to Manufacturer 168
- Cross Index 168
- Instrument Accessories 168
- Manufacturers Cross Index 169
- Diagrams 177
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