Tektronix j17 Manuel d'utilisateur Page 62
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Maintenance
Maintenance
6-6
3. Other problems are typically due to the A1 board.
If a power supply problem is suspected, perform
the procedure in on
page 6-6 to verify that the power supply, and
not the battery, is at fault.
The A1 Board
Most functions of the J17 are located on the
A1 board. on page 6-6
will allow you to determine whether there is a power
supply problem.
The A2 Display Board
The A2 Display board is probably at fault if:
H segments of the display are missing
H the backlight does not operate
To check the display, power on the J17 without a
sensorĆhead attached, and note whether all segĆ
ments of the display are activated.
If the entire display is inactive, or if the backlight does
not operate, proceed to
to rule out a problem with the power supply.
Checking the Power Supply
To check the power supply, you will need:
H
3
/
32
Ăinch hex wrench
H Posidriv screwdriver
H a DC voltmeter
(for voltages in the range 0 to 15 V)
H NineĆvolt, IEC 6LR61Ćtype alkaline battery
Maintenance
Maintenance
6-6
3. Other problems are typically due to the A1 board.
If a power supply problem is suspected, perform
the procedure in on
page 6-6 to verify that the power supply, and
not the battery, is at fault.
The A1 Board
Most functions of the J17 are located on the
A1 board. on page 6-6
will allow you to determine whether there is a power
supply problem.
The A2 Display Board
The A2 Display board is probably at fault if:
H segments of the display are missing
H the backlight does not operate
To check the display, power on the J17 without a
sensorĆhead attached, and note whether all segĆ
ments of the display are activated.
If the entire display is inactive, or if the backlight does
not operate, proceed to
to rule out a problem with the power supply.
Checking the Power Supply
To check the power supply, you will need:
H
3
/
32
Ăinch hex wrench
H Posidriv screwdriver
H a DC voltmeter
(for voltages in the range 0 to 15 V)
H NineĆvolt, IEC 6LR61Ćtype alkaline battery
- LumaColor Photometer 1
- 3
- ++!& +)+ 5
- ()+!& *!* 5
- " % %$)$)( 6
- %$)$)( 6
- Appendices 7
- Glossary and Index 7
- List of Figures 8
- !% "% 9
- Product Damage Precautions 10
- Safety Terms and Symbols 10
- 11
- " 11
- 12
- 13
- 17
- 19
- 19
- 20
- 20
- 22
- Battery and Power 23
- Information 23
- $ ""!% ! 24
- 26
- 26
- 27
- 29
- 30
- 31
- 32
- 32
- 33
- RSĆ232D Interface 35
- RSĆ232 Pin Connections 36
- Command Set 37
- 38
- 38
- Report Format 39
- 40
- 40
- 41
- 42
- 42
- 43
- 45
- 46
- 47
- 47
- Specifications 48
- 51
- 51
- 53
- 53
- 54
- 55
- 57
- 58
- Basic Troubleshooting 59
- 60
- 61
- Maintenance 62
- 63
- 63
- 65
- 67
- 68
- 68
- 69
- $ %'& 71
- %!!&(' 72
- Replaceable Parts 73
- 7-8 74
- 75
- 77
- 77
- 78
- 79
- 80
- 81
- 82
- 83
- 84
- 85
- 85
- 86
- Yellowish 87
- Spectral Tristimulus Values 92
- 96
- 97
- 100
- 100
- Glossary 101
- J17 Instruction Manual 101
- 102
- 102
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