Philips PM2517X Manuals

Manuals and User Guides for Philips PM2517X. We have 1 Philips PM2517X manual available for free PDF download: Service Manual

Philips PM2517X Service Manual

Philips PM2517X Service Manual (105 pages)

Automatic Digital Multimeter

Brand: Philips | Category: Multimeter | Size: 4.16 MB

Table of Contents

Starting Problems OQ0063
4
Error Description
7
Battery Cover
7
Incorrect Reading in the Ma Ranges
7
Textplates
12
Table of Contents
13
Technical Data
17
Electrical Specifications
17
- D.C Voltage Measurements
  17
- A.C Voltag Measurements
  17
- D.C. Current Measurements
  18
- A.C. Current Measurements
  18
- Resistance Measurements
  18
- Diode Measurements
  19
- Temperature Measurements
  19
General Data
19
Power Supply with Rechargeable Batteries
20
- Optional Accessories
  21
- Temperature Probe
  21
- Data Hold Probe
  21
Accessories Supplied with the Instrument I
21
HF Probe Type
23
Optional Accessories I
23
- RF Probe PM
  24
- Circuit Description
  26
- General
  26
- Principle of Operation
  26
- Analog to Digital Converter
  27
- Digital Section
  27
- Direct and Alternating Current Measurement
  27
- Alternating Voltage Measurements
  27
- Display
  28
- Power Supply
  28
- Detailed Circuit Description
  29
- Analog Section
  29
- A.C. Voltage Measurements
  30
C I R C U I T D E S C R I P T I O
30
G E N E R a
30
A D J U S T I N G T a B L
30
P O W E R S U P P L
30
- I N S I D E V I E W O F T O P C O V E
  30
- P I N N I N G a N D B L O C K D I a G R a M O F O
  30
- P I N N I N G H E
  30
- R O B E P L V
  30
- 3.3. 2. 7. Temperatu Re Measu Rements
  36
- Fixed Time
  36
- Fixed Level
  36
- Adc
  36
- Output
  37
- Example of a Data Signal
  37
- Voltage to Current Convertor
  38
- ADC Switching Part
  38
- Control Logic
  40
D I S P L a y
40
A D
40
- Control Signals
  41
- Clock
  41
- Data
  41
- Aut
  41
R a N G I N G
41
- Auto Ranging
  43
- Dh
  43
- Fa, Fb, Fc, Fd
  43
- Manual Ranging
  43
- Az
  44
- Ds1, Ds2, Laen
  44
- Ovr
  44
- Pol
  44
- Decimal Point
  45
- Polarity and Unit Indication
  45
- Serial Display
  45
- HEF 4511 B BCD to 7-Segment Latch Decoder
  48
- Specification of IC's Used
  48
- Function Table
  49
- Dual 1-0F4 Decoder/Demultiplixer
  50
- Character Decoder Driver
  51
- B I O C K D I a G R a M O F D I G I T a L S E C T I O
  53
- D a T a S I G N a L S E X a M P L E S
  53
- D I S M a N T L I N G T H E P L V
  53
- F a U L T F I N D I N G B L O C K D I a G R a
  53
- P I N N I N G O
  53
- Digital Control and Autoranging Circuit
  54
- Specifications of Inputs and Outputs
  60
- Specification of the Inputs and Outputs
  62
- Access
  65
- Dismantling the PM 2517
  65
- Replacing Parts
  65
- Slide Switch
  65
- Window
  66
- Battery Springs
  66
- Display Unit
  66
- Shunt
  66
- Checking and Adjusting
  68
- Adjusting Table
  69
- Fault-Finding Procedure
  71
- Service Hints
  71
- Fault Finding
  71
6 . 7 . a R a N G E S
72
Stand by
72
- No or Incorrect Power
  73
- Indication LED MAIN Is Not Lighted
  74
- No LED Lighted
  74
- Only Indication Led's Are Lighted
  74
- One 7. Segment LED Is Blanked
  75
- One Segment of All Led's Is Incorrect
  75
- Two 7. Segment Led's Are Blanked
  75
- Display Constant
  76
- Attenuator
  79
- Display Cannot be Adjusted to Zero
  79
- B L O C K D I a G R a M O
  81
- H F P R O B E P
  81
- Incorrect Ranging
  81
- No Auto Ranging
  81
- V-Ranges
  82
- Oscillating between Two V Ranges
  82
D a T a H O L D
82
- E H T P R O B E P
  83
B L O C K D I a G R a M H E
85
P a B T S L I S T
88
- L R R T
  88
- O L T a G E M E a S U R E M E N T
  88
- U R R E N T M E a S U R E M E N T
  88
- A D J U S T I N G E L E M E N T
  88
- O a R D S C O M P O N E N T S I D E P I
  88
- Parts List
  90
- Mechanical
  90
L V L E C H a N I C a L
90
- O L T a G E M E a S U R E M E N T S
  90
  - Electrical
    92
  - Resistors
    92
- M O U N T I N G T H E P O W E R S W I T C H K N O
  95
- B L O C K D I a G R a M H E
  96
- Modifications
  96
- T I M I N G O F D I S P L a y U N I L
  96
  - Component Side
    100
  - Conductor Side
    100
  - Function Switch Lay-Out
    100
  - Survey of Used Components
    101
- P I N N I N G H E
  104

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