Equipment information
Leader 1021 Oscilloscope
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Model:
1021
Date:
Category:
Group:
Description:
20mhZ oSCILLOSCOPE
Manual Type:
Service and User Manual
Pages:
72
Size:
8.24 Mbytes (8642693 Bytes)
Language:
english
Revision:
Manual-ID:
Date:
Quality:
Scanned document, all readable.
Upload date:
2017 09 11
MD5:
27b35f1ae8e69255332a5555f4ae95e4
Downloads:
1287
Information
1. SPECIFICATIONS
... 1-1
2. TEST EQUIPMENT REQUIRED
... 2-1
3. CALIBRATION PROCEDURE
... 3-1
3-1. General
... 3-1
3-2. Initial Control Settings
... 3-1
3-3. Power supply
... 3-3
(1) Low Voltage Power supply
... 3-3
(2) High Voltage Power supply
... 3-3
3-4. Display
... 3-4
(1) Intensity
... 3-4
(2) Focus
... 3-4
3-5. Vertical Amplifier
... 3-4
(1) DC Balance
... * ... 3-4
(2) ADD Balance
... 3-5
(3) Position Centering
... 3-5
(4) XI AC Gain
... 3-5
(5) Gain
... 3-6
(6) Attenuator Phase Compensation
... 3-6
(7) Input Capacitance
... 3-6
(8) High Frequency Compensation
... 3-7
3-6. Time Base/Horizontal Amplifier
... 3-8
(1) XI Gain, TIME/DIV
... 3-8
(2) X10 MAG Gain
... 3-9
(3) Position Centering
... 3-9
3-7. Trigger
... 3-10
(1) Trigger Level
... 3-10
(2) Trigger Balance
... 3-10
3-8. X-Y Operation
... 3-11
(1) X Gain
... 3-11
(2) X Position Centering
... 3-11
3-9. CAL 0.5 Vp-p
... 3-11
4. TROUBLESHOOTING PROCEDURE
... 4-1
4-1. General
... 4-1
4-2. Theory of Operation
... 4-1
4-3. Troubleshooting Aid
... 4-4
(1) Overall Operation
... 4-4
(2) Vertical Amplifier Section
... 4-7
(3) Time Base/Horizontal Amplifier Section
... 4-8
(4) Trigger Section
... 4-9
(5) Others
... 4-9
5. ADJUSTMENT LOCATIONS
... 5-1
Top View
... 5-1
Bottom View
... 5-2
6. PRINTED CIRCUIT BOARD
... 6-1
SC-3 Vertical Board
... 6-1
SC-6 Horizontal Board
... 6-2
SC-8 Power supply Board
... 6-3
SC-9 CRT Socket
... 6-3
SC-10 Scale illumination
... 6-3
7. BLOCK DIAGRAM/SCHEMATIC DIAGRAMS
... 7-1
Block Diagram
... 7-1
Attenuator
... 7-2
CHI Input Amplifier
... 7-3
CH2 Input Amplifier
... 7-4
CHI Pre Amp & Trig Pick Off
... 7-5
CH2 Pre Amp & Trig Pick Off
... 7-6
Vertical Control
... 7-7
Vertical Main Amplifier
... 7-8
Trigger Amplifier
... 7-9
Sweep Generator
... 7-10
Timing Circuit
... 7-11
Horizontal Main Amplifier
... 7-12
Chop Pulse Generator
... 7-13
H.V. CRT Driver
... 7-14
Power Supply
... 7-15
8. WIRING DIAGRAM
... 8-1
9. PART LIST
... 9-1.