2

Captures and freezes a stable measurement result. Beeps when stable. Touch Hold works on the main meter reading , with threshholds of 1 Vpp for AC signals and 100mV for DC signals. Graphs meter readings of the Min and Max values from 15 s div (120 seconds) to 2 days div (16 days) with time and date stamp. Automatic vertical scaling and time compression. Displays the actual and Minimum, Maximum, or average (AVG) reading. Waveform display Vertical Horizontal Internal Battery Power Operating Time...

451 Input A and B Base Line Jump Test

Proceed as follows to check the Input A and Input B base line jump 1. Short circuit the Input A and the Input B shielded banana sockets of the test tool. Use the BB120 banana to BNC adapter, and a 50D. (or lower) BNC termination. 2. Select the following test tool setup Turn Input B on (if not already on). Press to select auto ranging (AUTO in top of display). ( toggles between AUTO and MANUAL ranging). Press IB to open the SCOPE INPUTS menu. Press 1 to open the SCOPE OPTIONS menu, and choose...

4513 Input A and B Phase Measurements Test

Connect the test tool to the 5500A as for the previous test (see Figure 4-5). 2. Select the following test tool setup Press H to select auto ranging (AUTO in top of display). Press jKi to open the INPUT A MEASUREMENTS menu, and choose MEASURE on A PHASE Press to open the INPUT B MEASUREMENTS menu, and choose INPUT B ON MEASURE on B PHASE Using ( 11_ select 1V div for input A and B. 3. Set the 5500A to source a sine wave, to the first test point in Table 4-6 (NORMAL output, WAVE sine). 4....

4515 Resistance Measurements Test

Connect the test tool to the 5500A as shown in Figure 4-7. 2. Select the following test tool setup Press to select auto ranging (AUTO in top of display). Press jKi to open the INPUT A MEASUREMENTS menu, and choose MEASURE on A OHM Q 3. Set the 5500A to the first test point in Table 4-8. Use the 5500A COMP 2 wire mode for the verifications up to and including 50 kQ. For the higher values, the 5500A will turn off the COMP 2 wire mode. 4. Observe the Input A main reading and check to see if it is...

4516 Continuity Function Test

Connect the test tool to the 5500A as for the previous test (see Figure 4-7). 2. Select the following test tool setup Press to select auto ranging (AUTO in top of display). Press jKi to open the INPUT A MEASUREMENTS menu, and choose MEASURE on A CONT ))) 3. Set the 5500A to 25Q. Use the 5500A COMP 2 wire mode. 4. Listen to hear that the beeper sounds continuously. 6. Listen to hear that the beeper does not sound. 7. When you are finished, set the 5500A to Standby.

4519 Video Trigger Test

Only one of the systems NTSC, PAL, or SECAM has to be verified. Proceed as follows 1. Connect the test tool to the TV Signal Generator as shown in Figure 4-8. TV SIGNAL GENERATOR 2. Select the following test tool setup Reset the test tool (power off and then on with L_J ). Press IB to open the SCOPE INPUTS menu. Press 1 to open the TRIGGER menu and choose VIDEO on A From the shown VIDEO TRIGGER menu choose SYSTEM NTSC or PAL or SECAM LINE SELECT POLARITY POSITIVE Using ( 11_J set the Input A...

52Equipment Required For Calibration

The primary source instrument used in the calibration procedures is the Fluke 5500A. If a 5500A is not available, you can substitute another calibrator as long as it meets the minimum test requirements. Fluke 5500A Multi Product Calibrator, including 5500A-SC Oscilloscope Calibration Option. Stackable Test Leads (4x), supplied with the 5500A. 50Q Coax Cables (2x), Fluke PM9091 or PM9092. 50Q feed through terminations (2x), Fluke PM9585. Fluke BB120 Shielded Banana to Female BNC adapters (2x),...

54 Contrast Calibration Adjustment

After entering the Maintenance mode, the test tool display shows Warming Up (CL 0200) IDLE (valid). Do not press 1 1 now If you did, turn the test tool off and on, and enter the Maintenance mode again. Proceed as follows to adjust the maximum display darkness (CL0100), the default contrast (CL0110) , and the maximum display brightness (CL0120). 1. Press I 1 a three times to select the first calibration step. The display shows Contrast (CL 0100) MANUAL 2. Press 1 1 CAL. The display will show a...

65Reassembling the Test Tool

Reassembling the test tool is the reverse of disassembly. However you must follow special precautions when reassembling the test tool. Refer also to figure 6-1. The first shipped units are provided with a yellow tube on the two notches with the screw inserts at the top in the top case,. The reason for this is that the display assembly in these units is smaller than in the later units. All display assemblies supplied as spare part are of the latest type, and do not need the yellow tubes in the...

752 Fly Back Converter

Check the voltages on TP572 (+5V), TP573 (+3.3V), TP574 (+3.3V), TP576 (-3.3V), TP577 (-30V) on the POWER part. a. If one or more voltages are correct, then check the rectifier diodes (V561 V564), and coils (L562 L567) of the incorrect voltage. b. If none of the voltages is correct, then the fly back converter does not run correctly, continue at step 2. 2. Check TP504 (VBATT) for > 4.8V. 3. Check TP552 (FLYGATE) for a square wave voltage of at least some volts (for a correct Fly Back...

76 Loading Software

To load instrument software in the test tool, the Fluke-43-123-19x ScopeMeter Loader program is required. Power the test tool via the power adapter input using the BC190 Power Adapter. Some units having serial numbers below DM7000000 can give the error message Error 8 No connection possible with UHM because they require a 20V 1VDC (0.5 A) voltage on the Power Adapter input (units having an Intel FlashROM). For this purpose, a special supply cable, also advised for calibration, can be ordered...

Batident

The BATTIDENT line (pin 90) is connected to R508 on the Power part, and to a resistor in the battery pack. If the battery is removed, this is signaled to the D-ASIC (BATTIDENT line goes high). The MAINVAL signal (pin91) is supplied by the P-ASIC, and indicates the presence of the power adapter voltage (high present). The FREQPS signal (pin 93) is also supplied by the P-ASIC. It is the same signal that controls the Fly Back Converter control voltage FLYGATE. The D-ASIC measures the frequency in...

Circuit Descriptions

3.2 Block 3.2.1 Channel A, Channel B Measurement 3.2.2 Trigger 3.2.3 Digital 3.2.4 Power 3.2.5 Start-up Sequence, Operating 3.3 Detailed Circuit 3.3.1 Power 3.3.2 Channel A - Channel B Measurement 3.3.3 Trigger 3.3.4 Digital Section 3.2 describes the functional block diagram shown in Figure 3-1. It provides a quick way to get familiar with the test tool basic build-up. Section 3.3 describes the principle of operation of the test tool functions in detail, on the basis of the circuit diagrams...

Performance Verification

4.2 Equipment Required For 4.3 How To 4.4 Display and Backlight 4.5 Input A and Input B 4.5.1 Input A and B Base Line Jump 4.5.2 Input A Trigger Sensitivity 4.5.3 Input A Frequency Response Upper Transition Point 4.5.4 Input A Frequency Measurement Accuracy 4.5.5 Input B Frequency Measurement Accuracy 4.5.6 Input B Frequency Response Upper Transition Point 4.5.7 Input B Trigger Sensitivity 4.5.8 Input A and B Trigger Level and Trigger Slope 4.5.9 Input A and B DC Voltage Accuracy 4.5.10 Input A...

Tv Signal Generator

Test Tool Input A to TV Signal Generator Inverted Figure 4-13. Test Tool Input A to TV Signal Generator Inverted 8. Select the following test tool setup Press LJ to open the SCOPE INPUTS menu. Press 1 1 to open the TRIGGER menu and choose VIDEO on A The VIDEO TRIGGER sub-menu is shown now. From the VIDEO TRIGGER menu choose SYSTEM NTSC or PAL or SECAM or PALplus LINE SELECT Using ( 11_J set the Input A sensitivity to 200 mV div. Using (_ select 20 s div. 9. Using OO select the line...

72 Starting Fault Finding

After each step, continue with the next step, unless stated otherwise. Power the test tool by the battery pack only, then by the power adapter only. 1. The test tool operates with the power adapter, but not with the battery only install a charged battery (VBAT > 4V), and check the connections between the battery and the test tool (X503, R504, R506, R507). 2. The test tool operates with the battery pack, but not with the power adapter only, and the battery pack is not charged by the test tool...

Of Contents

1 Safety 1.2 Safety 1.3 Caution and Warning 1.5 Impaired 1.6 General Safety 2.2 Dual Input 2.2.4 Advanced Scope 2.3 Dual Input 2.3.1 Input A and Input 2.3.2 Input 2.3.3 Advanced Meter 2.6 Service and 2.8 EMC 3 Circuit 3.2 Block 3.2.1 Channel A, Channel B Measurement 3.2.2 Trigger 3.2.3 Digital 3.2.4 Power 3.2.5 Start-up Sequence, Operating 3.3 Detailed Circuit 3.3.1 Power 3.3.2 Channel A - Channel B Measurement 3.3.3 Trigger 3.3.4 Digital 4 Performance 4.2 Equipment Required For 4.3 How To 4.4...

741 Test Tool Completely Dead

Keep the keys - D pressed, and turn the test tool on again. This will start up the mask software. If you still hear no beep, continue at step 2. If you hear a weak beep now, continue at Section 7.4.2. 2. Check the Keyboard ROW1 line (MS433 next to X452) for a 100 kHz square wave. If not correct, continue at step 3. If correct, the mask software runs, but the buzzer circuit does not function. Check the buzzer function (Section 7.5.10), and then continue at Section 7.4.2....

753 Slow ADC

BATCUR N501 pin 77 , must be 1.63 6.7 x IBATP Volt. If not correct, replace N501. Measure IBATP on X503 pin 3 N501 pin 9 IBATP senses the battery current. 2. BATVOLT N501 pin 78 , must be 0.67 x VBAT-3.27 Volt. If not correct, replace N501. Measure VBAT on TP504 N501 pin 3 VBAT senses battery the voltage. 3. BATTEMP N501 pin 79 , must be TEMP - IBATP Volt. If not correct, replace N501. Measure TEMP on N501 pin 5 X503 pin 6 TEMP senses the battery temperature. Measure IBATP on X503 pin 3 N501...

4

Random Repetitive Sampling Mode A frequency detector in the T-ASIC monitors the ALLTRIG signal frequency. If the frequency is too high to obtain a reliable transmission to the D-ASIC, the DACTEST output pin 29 will become high. The DACTEST signal is read by the D-ASIC via the slow ADC on the Power part. It and indicates that the D-ASIC cannot use the ALLTRIG signal e.g. for qualified triggering . A current source in the T-ASIC supplies a DC current to the GENOUT output pin 1. The...

74 Starting with a Dead Test Tool

If the test tool cannot be turned on, when powered by a charged battery pack, or by the power adapter, follow the steps below to locate the fault. 1. Connect a power adapter and a charged battery pack. 2. Turn the test tool on and listen if you hear a beep. a. If you hear no beep, continue at 7.4.1 Test Tool Completely Dead. b. If you hear a weak beep, continue at 7.4.2 Test Tool Software Does not Run. c. If you hear a normal beep, the software runs, but obviously the test tool is not...

10 Mq

To protect the current source from being damaged by a voltage applied to the input, a PTC resistor R172 and a protection circuit are provided See Section 3.3.3 Current Source . During measuring, input voltage measurements, gain measurements, and zero measurements are done. As a result, the voltage supplied to the ADC is a multiplexed zero, reference, -reference, input voltage signal. Capacitance Measurements Channel A The capacitance measurement is based on the equation C x dV I x dt. The...

Tasic Oq0257

Reference Voltage Section The output of an amplifier in the P-ASIC supplies a current to the 1.23V reference source V301 via R307. The 3.3V REFPWM2 voltage is used as reference for the PWMB outputs of the D-ASIC on the Digital part. The 1.23V REFP voltage is used as main reference source for the reference circuit. This circuit consists of four amplifiers in the T-ASIC, external gain resistors, and filter capacitors. Amplifier 1 and connected resistors supply the REFPWM1 reference...

Vchdrive Vchdrive 13v

Block Diagram Flyback Converter

V506 OFF V506 ON When the test tool is not turned on, the Fly Back Converter does not run. In this situation, the 3V3GAR voltage for the D-ASIC, the FlashROM, and the RAM is supplied via transistor V569. The voltage is controlled by the VGARDRV signal supplied by the P-ASIC pin 69 . The current sense voltage across R580 is supplied to pin 70 VGARCURR . The voltage 3V3GAR is sensed on pin 66 for regulation. The internal regulator in the P-ASIC regulates the 3V3GAR voltage, and limits the...

8

Amplifier 3 and 4 and connected resistors supply the REFADCT and REFADCB reference voltages for the ADC's. Both voltages directly influence the gain accuracy of the ADC's. The T-ASIC can select some of the reference voltages to be output to pin 8 REFATT . The REFATT voltage is used for internal calibration of the input A and B overall gain. The T-ASIC generates the TRACEROT signal, used by the C-ASIC's. Control signals TROTRST and TROTCLK are provided by the D-ASIC. The Channel A B AC DC relays...

21

FLUKE guarantees the properties expressed in numerical values with the stated tolerance. Specified non-tolerance numerical values indicate those that could be nominally expected from the mean of a range of identical ScopeMeter test tools. The environmental data mentioned in this manual are based on the results of the manufacturer's verification procedures. The test tool has been designed and tested in accordance with Standards ANSI ISA S82.01-1994, EN 61010-1 1993 IEC 1010-1 , CAN CSA-C22.2...