Philips PM 3400 Manuals

Philips PM 3400 Manuals

Manuals and User Guides for Philips PM 3400. We have 1 Philips PM 3400 manual available for free PDF download: Service Manual

Philips PM 3400 Service Manual

Philips PM 3400 Service Manual (66 pages)

compact dual-trace sampling oscilloscope

Brand: Philips | Category: Test Equipment | Size: 5 MB

Table of Contents

Removing Printed-Circuit Card
0
Table of Contents
3
Vill. CIRCUIT DESCRIPTION
7
Trigger and Time-Base Circuits
7
Trigger and Hold-Off Circuits a
7
Fast-Ramp Generator
7
Comparator
8
Pulse Generator
8
Staircase Generator
8
Pump and Staircase Circuit
8
Blanking Mixer
9
Time-Scale Magnifier and Time Position
9
Sampling Pulse Generator
9
Trigger Take-Off
9
High-Frequency Compensation
9
Sampling Gate
10
Sampling Amplifier
10
Biasing of the Sampling Diodes
10
Bridge Network and Position Amplifier
10
Pre-Amplifier
12
Amplifier
12
Memory Gate and Memory-Gate Driver
12
Memory
12
Feedback and Smoothing
12
Mixer/Deflection Amplifier
13
Driver Time-Delay
13
Dual-Trace Multivibrator, Differential
13
Amplifiers A&B, Output Amplifier y
13
Trace Alignment
13
Output Amplifier
14
Stabilising Circuits
14
Stabilising
14
Overload Protection
14
And +6.3 V Stabilising Circuits
15
High Voltage Power Supply
15
Low Voltage Rectifier
16
Gaining Access to Parts
17
Removing the Housing
17
Removing the Knobs
17
Removing the Crt Bezel
17
Removing the EHT Plug
17
Removing the Crt
17
Mounting a New Crt
17
Removing the Handle
18
And8
18
Removing Printed-Wiring Cards 6 and
18
Inserting Printed Wiring Cards 1
18
Removing the Sampling Head
19
Fitting the Sampling Head
20
Gaining Access to the Sampling Diodes
20
Dismantling the Sampling Head
20
Gaining Access to the Trigger Take-Off Transformer
20
Survey of Equipment Required for Checking, Adjusting and Fault Finding
21
Checking and Adjusting
22
PM 3400-1, Trigg./Time Base
22
Equipment Required
22
Preliminary Settings of the PM 3400 Controls
22
Adjusting
22
Input Signal
22
13:2: Adjusting RV102, TRIGG. T.D. BIAS
22
Adjusting RV101, SYNC. BAL
22
Bias
22
Adjusting RV103, MEMORY T.D. BIAS
22
Adjusting RV104, PULSE WIDTH
23
SLT: Checking the Amplitude of
23
Checking the Triggering Stability
23
Checking the Tunnel Diodes on Circuit Board
23
PM 3400-2, Staircase Generator
24
Equipment Required
24
Preliminary Settings of
24
Adjusting
24
Adjusting RV201, DELAY ZERO
24
Checking the Inter-Dot Blanking Circuits
24
Checking the Sampling Density
24
Checking the Horizontal Modes
24
Of Switch S5
24
Checking the Staircase Synchronisation
24
General Check
31
Equipment Required
31
Checking
31
Fault Tracing Analysis
33
List of Mechanical Parts
38
List of Electrical Parts
43
Resistors
44
Variable Resistors
46
Capacitors
47
Variable Capacitors
49
Miscellaneous
50
Coils
50
Transformers
50
Assemblies
51
And Lamps
51
Semiconductors
51
Transistors
51
Selected Transistors
52
Diodes
52
Selected Diodes
52
Values of C22
52
Version Pm 3400-01
53

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