Service Manual
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... 6-8 6.5 Reassembling the Test Tool 6-8 Corrective Maintenance 7-1 7.1 Introduction 7-3 7.2 Starting Fault Finding 7-4 7.3 Charger Circuit 7-4 7.4 Starting with a Dead Test Tool 7-6 7.4.1 Test Tool Completely Dead 7-6 7.4.2 Test Tool Software Does not Run 7-7 7.4.3 Software Runs, Test Tool not Operative 7-7 7.5 Miscellaneous Functions 7-8 7.5.1 Display and Back Light 7-8 7.5.2 Fly Back Converter 7-9 7.5.3 Slow ADC 7-10 7.5.4 Keyboard 7-11 7.5.5 Optical Port (Serial RS232 Interface...
... 6-8 6.5 Reassembling the Test Tool 6-8 Corrective Maintenance 7-1 7.1 Introduction 7-3 7.2 Starting Fault Finding 7-4 7.3 Charger Circuit 7-4 7.4 Starting with a Dead Test Tool 7-6 7.4.1 Test Tool Completely Dead 7-6 7.4.2 Test Tool Software Does not Run 7-7 7.4.3 Software Runs, Test Tool not Operative 7-7 7.5 Miscellaneous Functions 7-8 7.5.1 Display and Back Light 7-8 7.5.2 Fly Back Converter 7-9 7.5.3 Slow ADC 7-10 7.5.4 Keyboard 7-11 7.5.5 Optical Port (Serial RS232 Interface...
Service Manual
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Structural parts meet 48 hours 5% salt solution test. Parallel via PM9080 (optically isolated RS232 adapter/cable, optional), using SW90W (FlukeView software for Windows). Input and Floating Voltage 600 Vrms up to 2 km, linearly derating to 2-3) 2-11 Serial via PAC91 (optically isolated print adapter cable, optional). EN ...
Structural parts meet 48 hours 5% salt solution test. Parallel via PM9080 (optically isolated RS232 adapter/cable, optional), using SW90W (FlukeView software for Windows). Input and Floating Voltage 600 Vrms up to 2 km, linearly derating to 2-3) 2-11 Serial via PAC91 (optically isolated print adapter cable, optional). EN ...
Service Manual
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... is also used . During each acquisition cycle (trigger release signal HOLDOFF goes low) is proportional to derive reference voltages from several acquisition cycles. The instrument software is stored in Section 3.2.1. The output data of which is random. These voltages are used for resistance and capacitance measurements. the trace positions (C-ASIC), the...
... is also used . During each acquisition cycle (trigger release signal HOLDOFF goes low) is proportional to derive reference voltages from several acquisition cycles. The instrument software is stored in Section 3.2.1. The output data of which is random. These voltages are used for resistance and capacitance measurements. the trace positions (C-ASIC), the...
Service Manual
Page 35
... not working, and is turned on . 3. In this mode a battery refresh (see below) can also be done. The mask software checks if valid instrument software is powered by the battery or power adapter voltage VBAT. Operational & Charge mode The Operational & Charge mode is entered when the test...is connected (P-ASIC output MAINVAL high), and/or the test tool is removed. The CHARGERCONVERTER charges the batteries (if installed). If valid instrument software is entered. 3-7 If the voltage +3V3GAR is below 4V when starting up . Operational mode The Operational mode is entered when the test ...
... not working, and is turned on . 3. In this mode a battery refresh (see below) can also be done. The mask software checks if valid instrument software is powered by the battery or power adapter voltage VBAT. Operational & Charge mode The Operational & Charge mode is entered when the test...is connected (P-ASIC output MAINVAL high), and/or the test tool is removed. The CHARGERCONVERTER charges the batteries (if installed). If valid instrument software is entered. 3-7 If the voltage +3V3GAR is below 4V when starting up . Operational mode The Operational mode is entered when the test ...
Service Manual
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...mode TURN ON or MAINVAL=H Mask StartUp Flash ROM OK Flash ROM NOT OK OR Mask Active mode & & TURN ON TURN OFF Extern StartUp Software MAINVAL=L & (TURN OFF or BATTVOLT 4 & MAINVAL=L TURN OFF&MAINVAL=H TURN ON & MAINVAL=H Operational Mode MAINVAL=H MAINVAL=L Operational & Charge ...Mode TURN OFF TURN ON Charge Mode BATTVOLT < 4V or AutoShutDown or TURN OFF Battery refresh MAINVAL=L Figure 3-2. Fluke 123/124 Start-up screen. During a refresh, first the battery is completely charged, then it is connected. A refresh cycle takes 16 hours...
...mode TURN ON or MAINVAL=H Mask StartUp Flash ROM OK Flash ROM NOT OK OR Mask Active mode & & TURN ON TURN OFF Extern StartUp Software MAINVAL=L & (TURN OFF or BATTVOLT 4 & MAINVAL=L TURN OFF&MAINVAL=H TURN ON & MAINVAL=H Operational Mode MAINVAL=H MAINVAL=L Operational & Charge ...Mode TURN OFF TURN ON Charge Mode BATTVOLT < 4V or AutoShutDown or TURN OFF Battery refresh MAINVAL=L Figure 3-2. Fluke 123/124 Start-up screen. During a refresh, first the battery is completely charged, then it is connected. A refresh cycle takes 16 hours...
Service Manual
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...CONTROL 80 CHARCURR 100kHz CO4S3C C553 linear regulator linear regulator 12 V565 MAINVAL V566 18 P7VCHA 22 +12V C507 POWER ASIC Figure 3-3. Fluke 123/124 Operating Modes Conditions Remark No power adapter and no battery No power adapter connected, battery installed, test tool off No valid ...instrument software, or ^ and > key pressed when turning on Power adapter connected and test tool off Power adapter connected and test tool on No...
...CONTROL 80 CHARCURR 100kHz CO4S3C C553 linear regulator linear regulator 12 V565 MAINVAL V566 18 P7VCHA 22 +12V C507 POWER ASIC Figure 3-3. Fluke 123/124 Operating Modes Conditions Remark No power adapter and no battery No power adapter connected, battery installed, test tool off No valid ...instrument software, or ^ and > key pressed when turning on Power adapter connected and test tool off Power adapter connected and test tool on No...
Service Manual
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... Charger/Converter circuit is active in the Operational & Charge and in the Operational & Charge mode. If no instrument firmware is loaded, the mask software will become active. The voltage VBAT is supplied either by the power adapter via V506/L501, or by the P-ASIC. It powers a part ...3V3GAR). If the test tool is off, the Fly Back Converter is off . The mask software checks if valid instrument software is off , and VBAT powers the D-ASIC via an internal linear regulator. If valid software is present, one of the P-ASIC via R502, and attenuated in the P-ASIC). The ...
... Charger/Converter circuit is active in the Operational & Charge and in the Operational & Charge mode. If no instrument firmware is loaded, the mask software will become active. The voltage VBAT is supplied either by the power adapter via V506/L501, or by the P-ASIC. It powers a part ...3V3GAR). If the test tool is off, the Fly Back Converter is off . The mask software checks if valid instrument software is off , and VBAT powers the D-ASIC via an internal linear regulator. If valid software is present, one of the P-ASIC via R502, and attenuated in the P-ASIC). The ...
Service Manual
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... Channel A/B circuitry is placed directly behind the input connector and transforms the input signal to the trigger and ADC circuits and a control block that allows software control of the backlight converter. The transition frequency from the LF-path to circuit diagrams Figure 9-1 and Figure 9-2. Back Light Converter Voltages 3.3.2 Channel A - Channel A also...
... Channel A/B circuitry is placed directly behind the input connector and transforms the input signal to the trigger and ADC circuits and a control block that allows software control of the backlight converter. The transition frequency from the LF-path to circuit diagrams Figure 9-1 and Figure 9-2. Back Light Converter Voltages 3.3.2 Channel A - Channel A also...
Service Manual
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...signal TRIGQUAL. For qualified triggering (e.g. The ALLTRIG pulse signal represents the charging time. The time is also used for digital section; The instrument software is sampled by the D-ASIC, see below "ADC data Acquisition". The sample rate depends on measuring the capacitor charging time using a known current... 5 MHz or 25 MHz, depending on the LCD. derived from the trace. ADC data acquisition for analog section; The test tool software starts an acquisition cycle. The acquisition cycle is stopped if the required number of the ADC input swing. From the FAM the ADC ...
...signal TRIGQUAL. For qualified triggering (e.g. The ALLTRIG pulse signal represents the charging time. The time is also used for digital section; The instrument software is sampled by the D-ASIC, see below "ADC data Acquisition". The sample rate depends on measuring the capacitor charging time using a known current... 5 MHz or 25 MHz, depending on the LCD. derived from the trace. ADC data acquisition for analog section; The test tool software starts an acquisition cycle. The acquisition cycle is stopped if the required number of the ADC input swing. From the FAM the ADC ...
Service Manual
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... off should be lost if all power sources (battery and power adapter) are stored in the mask ROM software by keeping pressed the ^ and > keys, and then turning the test tool on -chip mask ROM...LCD Control Each 14 ms the LCD picture is for the LCD drivers on , the mask ROM software will be below 1 mA (with the mains adapter disconnected). In case of 240 pixels each (240x240 matrix)....power off . It is turned on the LCD unit (Figure 3-13). When active, the mask ROM software generates a HF triangular wave on measurement spot MS433 (pin C5 of the D-ASIC. 3 Circuit Descriptions...
... off should be lost if all power sources (battery and power adapter) are stored in the mask ROM software by keeping pressed the ^ and > keys, and then turning the test tool on -chip mask ROM...LCD Control Each 14 ms the LCD picture is for the LCD drivers on , the mask ROM software will be below 1 mA (with the mains adapter disconnected). In case of 240 pixels each (240x240 matrix)....power off . It is turned on the LCD unit (Figure 3-13). When active, the mask ROM software generates a HF triangular wave on measurement spot MS433 (pin C5 of the D-ASIC. 3 Circuit Descriptions...
Service Manual
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...voltage does not contain a DC component. A DC component in the LCD drive voltage may cause memory effects in low pass filters (RC), software controlled DC voltages are supplied via the S-ADC on C404 increases during building up a sreen image. It is controlled by the CONTRAST voltage.... The voltages are supplied to discharge C404. A FRAME pulse starts the new screen image. 123/124 Service Manual must have been filled with software controllable duty cycle (pins B13-C9). When it generates a carry to a reference voltage (REFPWM1 or REFPWM2) and ground level , with data...
...voltage does not contain a DC component. A DC component in the LCD drive voltage may cause memory effects in low pass filters (RC), software controlled DC voltages are supplied via the S-ADC on C404 increases during building up a sreen image. It is controlled by the CONTRAST voltage.... The voltages are supplied to discharge C404. A FRAME pulse starts the new screen image. 123/124 Service Manual must have been filled with software controllable duty cycle (pins B13-C9). When it generates a carry to a reference voltage (REFPWM1 or REFPWM2) and ground level , with data...
Service Manual
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...Maintenance Title Page 7.1 Introduction ...7-3 7.2 Starting Fault Finding 7-4 7.3 Charger Circuit 7-4 7.4 Starting with a Dead Test Tool 7-6 7.4.1 Test Tool Completely Dead 7-6 7.4.2 Test Tool Software Does not Run 7-7 7.4.3 Software Runs, Test Tool not Operative 7-7 7.5 Miscellaneous Functions 7-8 7.5.1 Display and Back Light 7-8 7.5.2 Fly Back Converter 7-9 7.5.3 Slow ADC 7-10 7.5.4 Keyboard ...7-11 7.5.5 Optical... Test 7-16 7.5.13 Power ON/OFF 7-16 7.5.14 PWM Circuit 7-17 7.5.15 Randomize Circuit 7-17 7.6 Loading Software 7-17 7.7 Configuration of CPLD-chip D470 7-17 7-1
...Maintenance Title Page 7.1 Introduction ...7-3 7.2 Starting Fault Finding 7-4 7.3 Charger Circuit 7-4 7.4 Starting with a Dead Test Tool 7-6 7.4.1 Test Tool Completely Dead 7-6 7.4.2 Test Tool Software Does not Run 7-7 7.4.3 Software Runs, Test Tool not Operative 7-7 7.5 Miscellaneous Functions 7-8 7.5.1 Display and Back Light 7-8 7.5.2 Fly Back Converter 7-9 7.5.3 Slow ADC 7-10 7.5.4 Keyboard ...7-11 7.5.5 Optical... Test 7-16 7.5.13 Power ON/OFF 7-16 7.5.14 PWM Circuit 7-17 7.5.15 Randomize Circuit 7-17 7.6 Loading Software 7-17 7.7 Configuration of CPLD-chip D470 7-17 7-1
Service Manual
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...The voltage at Section 7.4.2. 3. If you hear a beep. Check N501 pin 60 (VBATSUP) for control, via the Slow ADC. 1. The voltage at 7.4.3 Software Runs, Test Tool not Operative. 7.4.1 Test Tool Completely Dead 1. If 1 to X452) for +3.3V. Continue at N501 pin 43 for +3V3V. If not ...If not correct, check if the line is not operative. The D-ASIC measures the required signals needed for >4.8V. If correct, the mask software runs, but obviously the test tool is shorted to ground, loose 7-6 Connect a power adapter and a charged battery pack. 2. If you ...
...The voltage at Section 7.4.2. 3. If you hear a beep. Check N501 pin 60 (VBATSUP) for control, via the Slow ADC. 1. The voltage at 7.4.3 Software Runs, Test Tool not Operative. 7.4.1 Test Tool Completely Dead 1. If 1 to X452) for +3.3V. Continue at N501 pin 43 for +3V3V. If not ...If not correct, check if the line is not operative. The D-ASIC measures the required signals needed for >4.8V. If correct, the mask software runs, but obviously the test tool is shorted to ground, loose 7-6 Connect a power adapter and a charged battery pack. 2. If you ...
Service Manual
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...is supplied by the Battery Charger/Power Adapter, only the 32 kHz clock runs. If a 500 kHz triangular wave is present, the MASK software is corrupted. Temporarily remove R470 to ground. Check TP307 (N501 pin 72, REFP) for +3.3V. Check X-tal signals on the Trigger part... Continue at Section 7.4.3 to see why the test tool cannot be operated. Load new software to see if the loaded software is running. Do the RAM test, see Section 7.5.2 3. Replace FLASH-ROM D474 and RAM D475. 7.4.3 Software Runs, Test Tool not Operative 1. Check the Fly Back Converter, see Section 7.5.12....
...is supplied by the Battery Charger/Power Adapter, only the 32 kHz clock runs. If a 500 kHz triangular wave is present, the MASK software is corrupted. Temporarily remove R470 to ground. Check TP307 (N501 pin 72, REFP) for +3.3V. Check X-tal signals on the Trigger part... Continue at Section 7.4.3 to see why the test tool cannot be operated. Load new software to see if the loaded software is running. Do the RAM test, see Section 7.5.2 3. Replace FLASH-ROM D474 and RAM D475. 7.4.3 Software Runs, Test Tool not Operative 1. Check the Fly Back Converter, see Section 7.5.12....
Service Manual
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... the interface connection, and the test tool Optical Port (Section 7.5.5). 6. Type ID and press [Enter] The test tool will start up the mask software. Check TP528 for +3V (supplied by D471). Connect the Test Tool to the test tool. 7.5.13 Power ON/OFF 1. tests first! 7-16 This... Cable PM9080. 2. Check TP487 for +3V at power off . This indicates that the acknowledge overwites the first character of characters the test tool mask software will hear a very weak beep now. 4. You will respond with an acknowledge 0 (zero). If not correct, do the Section 7.4.1. Keep the keys...
... the interface connection, and the test tool Optical Port (Section 7.5.5). 6. Type ID and press [Enter] The test tool will start up the mask software. Check TP528 for +3V (supplied by D471). Connect the Test Tool to the test tool. 7.5.13 Power ON/OFF 1. tests first! 7-16 This... Cable PM9080. 2. Check TP487 for +3V at power off . This indicates that the acknowledge overwites the first character of characters the test tool mask software will hear a very weak beep now. 4. You will respond with an acknowledge 0 (zero). If not correct, do the Section 7.4.1. Keep the keys...
Service Manual
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...device with variable duty cycle, and a frequency of the Ball-Grid-Array (BGA) type. The signals must be done in an Authorized Fluke Service Centre. If TP306 and TP304 are correct, D471 may be measured on the small component (SMD) side of the Main PCA ... to the Main PCA, it must be programmed after being installed. CPLD is required. Check the PWM control signals generated by D471. 7 Corrective Maintenance 7.6 Loading Software 2. Check MS444 (ONKEY, D471) for 0...+3V pulses, 25 kHz, variable duty cycle. 2. SADCLEV (R441/C432), POS A D (R439/C433), POS B D (R431...
...device with variable duty cycle, and a frequency of the Ball-Grid-Array (BGA) type. The signals must be done in an Authorized Fluke Service Centre. If TP306 and TP304 are correct, D471 may be measured on the small component (SMD) side of the Main PCA ... to the Main PCA, it must be programmed after being installed. CPLD is required. Check the PWM control signals generated by D471. 7 Corrective Maintenance 7.6 Loading Software 2. Check MS444 (ONKEY, D471) for 0...+3V pulses, 25 kHz, variable duty cycle. 2. SADCLEV (R441/C432), POS A D (R439/C433), POS B D (R431...
Service Manual
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Chapter 10 Modifications Title Page 10.1 Software modifications 10-1 10.2 Hardware modifications 10-1
Chapter 10 Modifications Title Page 10.1 Software modifications 10-1 10.2 Hardware modifications 10-1
Service Manual
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...are documented on a supplemental change/errata sheet which, when applicable, is V02.00. To display the software version, proceed as follows: 1. The first software release suitable for both Fluke 123 and Fluke 124 is included with the manual. Press to return to open the USER OPTIONS menu. 2. This...the Main PCA. These changes are identified by incrementing the revision number of first deliveries. 10-1 10 Modifications 10.1 Software modifications 10.1 Software modifications Changes and improvements made to the test tool hardware are identified by incrementing the...
...are documented on a supplemental change/errata sheet which, when applicable, is V02.00. To display the software version, proceed as follows: 1. The first software release suitable for both Fluke 123 and Fluke 124 is included with the manual. Press to return to open the USER OPTIONS menu. 2. This...the Main PCA. These changes are identified by incrementing the revision number of first deliveries. 10-1 10 Modifications 10.1 Software modifications 10.1 Software modifications Changes and improvements made to the test tool hardware are identified by incrementing the...