Page 1 No intellectual property rights are granted by the delivery of this document or the disclosure of its content. This document shall not be reproduced, duplicated or disclosed to a third party without the express written consent of THALES AVIONICS ELECTRICAL SYSTEMS SA.
Page 2 F0296 PAGE LEFT BLANK INTENTIONALLY TITLE PAGE 2 24-76-13 AUG. 08/06 Use or disclosure of this data is subject to the restrictions on the cover page of this Component Maintenance Manual with IPL.
Page 3: Safety Advisory
The use of any non-specified parts or parts which do not strictly conform to the manufacturer specification and drawings for Bus Power Control Unit P/N 105-003-* and / or not repaired or made by facilities approved by THALES AVIONICS ELECTRICAL SYSTEM can cause product malfunctions which could result in damage to, or destruction of, equipment and injury to personnel and can cancel warranties underwritten by THALES AVIONICS ELECTRICAL SYSTEM.
Page 4 THALES AVIONICS ELECTRICAL SYSTEMS COMPONENT MAINTENANCE MANUAL P/N 105-003-* PAGE LEFT BLANK INTENTIONALLY SWLA PAGE 2 24-76-13 AUG. 08/06 Use or disclosure of this data is subject to the restrictions on the cover page of this Component Maintenance Manual with IPL.
Page 5: Record Of Revisions
THALES AVIONICS ELECTRICAL SYSTEMS COMPONENT MAINTENANCE MANUAL P/N 105-003-* RECORD OF REVISIONS RECORD OF REVISIONS DATE DATE REV No. ISSUE DATE REV No. ISSUE DATE INSERTED INSERTED DEC. 15/90 DEC. 15/90 FEB. 01/00 FEB. 01/00 AUG. 08/06 AUG. 08/06 RR PAGE 1...
Page 6 THALES AVIONICS ELECTRICAL SYSTEMS COMPONENT MAINTENANCE MANUAL P/N 105-003-* PAGE LEFT BLANK INTENTIONALLY RR PAGE 2 24-76-13 AUG. 08/06 Use or disclosure of this data is subject to the restrictions on the cover page of this Component Maintenance Manual with IPL.
Page 7: Record Of Temporary Revisions
THALES AVIONICS ELECTRICAL SYSTEMS COMPONENT MAINTENANCE MANUAL P/N 105-003-* RECORD OF TEMPORARY REVISIONS RECORD OF TEMPORARY REVISIONS TEMPORARY REVISIONS INSERTED CANCELLED PAGE ISSUE PERMANENT DATE DATE DATE REVISION No. RTR PAGE 1 24-76-13 24-76-13 AUG. 08/06 Use or disclosure of this data is subject to the restrictions on the cover page of this Component Maintenance Manual with IPL.
Page 8 THALES AVIONICS ELECTRICAL SYSTEMS COMPONENT MAINTENANCE MANUAL P/N 105-003-* PAGE LEFT BLANK INTENTIONALLY RTR PAGE 2 24-76-13 AUG. 08/06 Use or disclosure of this data is subject to the restrictions on the cover page of this Component Maintenance Manual with IPL.
Page 9 THALES AVIONICS ELECTRICAL SYSTEMS COMPONENT MAINTENANCE MANUAL P/N 105-003-* LIST OF EFFECTIVE PAGES LIST OF EFFECTIVE PAGES PAGE DATE SUBJECT PAGE SUBJECT Title Page Title Page AUG. 08/06 AUG. 08/06 AUG. 08/06 AUG. 08/06 BLANK BLANK AUG. 08/06 AUG. 08/06 AUG.
Page 10 THALES AVIONICS ELECTRICAL SYSTEMS COMPONENT MAINTENANCE MANUAL P/N 105-003-* AUG. 08/06 Assembly and AUG. 08/06 AUG. 08/06 Storage AUG. 08/06 AUG. 08/06 AUG. 08/06 AUG. 08/06 AUG. 08/06 AUG. 08/06 AUG. 08/06 AUG. 08/06 AUG. 08/06 AUG. 08/06 AUG. 08/06 AUG.
Page 11 THALES AVIONICS ELECTRICAL SYSTEMS COMPONENT MAINTENANCE MANUAL P/N 105-003-* 1002-3 AUG. 08/06 1003-0 AUG. 08/06 1003-1 AUG. 08/06 1004-0 AUG. 08/06 1004-1 AUG. 08/06 1005-0 AUG. 08/06 1005-1 AUG. 08/06 1005-2 BLANK LEP PAGE 3 24-76-13 AUG. 08/06 Use or disclosure of this data is subject to the restrictions on the cover page of this Component Maintenance Manual with IPL.
Page 12 THALES AVIONICS ELECTRICAL SYSTEMS COMPONENT MAINTENANCE MANUAL P/N 105-003-* PAGE LEFT BLANK INTENTIONALLY LEP PAGE 4 24-76-13 AUG. 08/06 Use or disclosure of this data is subject to the restrictions on the cover page of this Component Maintenance Manual with IPL.
Page 13 THALES AVIONICS ELECTRICAL SYSTEMS COMPONENT MAINTENANCE MANUAL P/N 105-003-* SERVICE BULLETIN LIST SERVICE BULLETIN LIST SERVICE SERVICE SERVICE SERVICE SERVICE SERVICE SERVICE SERVICE SERVICE MOD. STATE MOD. STATE MOD. STATE MOD. STATE MOD. STATE MOD. STATE MOD. STATE MOD. STATE MOD.
Page 14 THALES AVIONICS ELECTRICAL SYSTEMS THALES AVIONICS ELECTRICAL SYSTEMS COMPONENT MAINTENANCE MANUAL COMPONENT MAINTENANCE MANUAL P/N 105-003-* P/N 105-003-* SERVICE MOD. STATE DESCRIPTION DATE BULLETIN IDENT. 105-003-24-011 105-003-24-011 R for 105-003-2 R for 105-003-2 JAN. 04 JAN. 04 To improve Z100 PCB reliability.
Page 15 THALES AVIONICS ELECTRICAL SYSTEMS COMPONENT MAINTENANCE MANUAL P/N 105-003-* LIST OF AMENDMENTS LIST OF AMENDMENTS AMDT BRIEF DESCRIPTION APPLICABLE TO VERSION To improve power supply working and 105-003-1 acquisition circuit (Y38-1424). To avoid matching components. 105-003-1 To improve photocoupler circuit (Y38-1425).
Page 16 THALES AVIONICS ELECTRICAL SYSTEMS THALES AVIONICS ELECTRICAL SYSTEMS COMPONENT MAINTENANCE MANUAL COMPONENT MAINTENANCE MANUAL P/N 105-003-* P/N 105-003-* AMDT BRIEF DESCRIPTION APPLICABLE TO VERSION To solve relay chattering problems. To solve relay chattering problems. 105-003-1 105-003-1 To improve magnetic indications status and...
Page 17: Table Of Contents
THALES AVIONICS ELECTRICAL SYSTEMS COMPONENT MAINTENANCE MANUAL P/N 105-003-* TABLE OF CONTENTS Page DESCRIPTION AND OPERATION ..................1 TESTING AND TROUBLESHOOTING ................101 DISASSEMBLY........................301 CLEANING........................... 401 CHECK..........................501 REPAIR..........................601 ASSEMBLY AND STORAGE....................701 FITS AND CLEARANCES .................. Not applicable SPECIAL TOOLS, FIXTURES AND EQUIPMENT ..............
Page 18 THALES AVIONICS ELECTRICAL SYSTEMS COMPONENT MAINTENANCE MANUAL P/N 105-003-* PAGE LEFT BLANK INTENTIONALLY TC PAGE 2 24-76-13 AUG. 08/06 Use or disclosure of this data is subject to the restrictions on the cover page of this Component Maintenance Manual with IPL.
Page 19 THALES AVIONICS ELECTRICAL SYSTEMS COMPONENT MAINTENANCE MANUAL P/N 105-003-* LIST OF APPROVED REPAIR FACILITIES LIST OF APPROVED REPAIR FACILITIES NAME ADDRESS THALES AVIONICS THALES AVIONICS 41 Boulevard de la République BP53 41 Boulevard de la République BP53 ELECTRICAL SYSTEMS. ELECTRICAL SYSTEMS.
Page 20 THALES AVIONICS ELECTRICAL SYSTEMS COMPONENT MAINTENANCE MANUAL P/N 105-003-* PAGE LEFT BLANK INTENTIONALLY LARF PAGE 2 24-76-13 AUG. 08/06 Use or disclosure of this data is subject to the restrictions on the cover page of this Component Maintenance Manual with IPL.
Page 21: List Of Products
THALES AVIONICS ELECTRICAL SYSTEMS COMPONENT MAINTENANCE MANUAL P/N 105-003-* LIST OF PRODUCTS LIST OF PRODUCTS SUPPLIERS DESIGNATION TEST. DISA. CLEAN. CHECK. REPAIR. AS.ST TRADE-NAME AND ADDRESS ISOPROPYL ISOPROPYL Local Purchase Local Purchase ALCOHOL ALCOHOL ADHESIVE ADHESIVE LOCTITE FRANCE LOCTITE FRANCE...
Page 22 THALES AVIONICS ELECTRICAL SYSTEMS COMPONENT MAINTENANCE MANUAL P/N 105-003-* PAGE LEFT BLANK INTENTIONALLY LOP PAGE 2 24-76-13 AUG. 08/06 Use or disclosure of this data is subject to the restrictions on the cover page of this Component Maintenance Manual with IPL.
Page 23 This manual provides the instructions required for the maintenance of equipment manufactured by THALES AVIONICS ELECTRICAL SYSTEMS , 41 Boulevard de la République BP 53 - 78401 CHATOU Cedex - FRANCE.
Page 24 THALES AVIONICS ELECTRICAL SYSTEMS COMPONENT MAINTENANCE MANUAL P/N 105-003-* PAGE LEFT BLANK INTENTIONALLY INTRO - PAGE 2 24-76-13 AUG. 08/06 Use or disclosure of this data is subject to the restrictions on the cover page of this Component Maintenance Manual with IPL.
Page 25: Description And Operation
THALES AVIONICS ELECTRICAL SYSTEMS COMPONENT MAINTENANCE MANUAL P/N 105-003-* DESCRIPTION AND OPERATION GENERAL The bus power control unit (BPCU) forms part of the DC generating system of the aircraft. When the aircraft is on the ground, it allows the energization of the bus bars from an external power supply and it protects such a supply against: −...
Page 26 THALES AVIONICS ELECTRICAL SYSTEMS COMPONENT MAINTENANCE MANUAL P/N 105-003-* B. Technical characteristics − Power supply: 28 V DC power − ≤ 1 A. Current consumption: − Extreme operating temperature range: - 15 °C (- 59 °F) to + 55 °C (131 °F)
Page 27 THALES AVIONICS ELECTRICAL SYSTEMS COMPONENT MAINTENANCE MANUAL P/N 105-003-* OVERALL DIMENSIONS FIGURE 1 PAGE 3 24-76-13 AUG. 08/06 Use or disclosure of this data is subject to the restrictions on the cover page of this Component Maintenance Manual with IPL.
Page 28 THALES AVIONICS ELECTRICAL SYSTEMS COMPONENT MAINTENANCE MANUAL P/N 105-003-* DESCRIPTION (REF. FIGURE 2) The bus power control unit (BPCU) is contained in a plug-in case which is in conformity with the ARINC specification 404. It consists of: − a chassis assembly carrying all the BPCU parts, −...
Page 29 THALES AVIONICS ELECTRICAL SYSTEMS COMPONENT MAINTENANCE MANUAL P/N 105-003-* DESCRIPTION FIGURE 2 PAGE 5 24-76-13 AUG. 08/06 Use or disclosure of this data is subject to the restrictions on the cover page of this Component Maintenance Manual with IPL.
Page 30 THALES AVIONICS ELECTRICAL SYSTEMS COMPONENT MAINTENANCE MANUAL P/N 105-003-* The printed circuit board assemblies Z100 to Z300 are guided and secured in a circuit board cage fitted with slides and connectors providing the electrical connection of the assemblies ; these connectors are fitted with a polarization system to prevent cross-plugging.
Page 31 THALES AVIONICS ELECTRICAL SYSTEMS COMPONENT MAINTENANCE MANUAL P/N 105-003-* The BPCU will also stop providing power for the busbars, in accordance with a load shedding sequence, should an overload be detected by one of the GCU. The BPCU constantly monitors the condition of the transistors controlling the relay coils and the condition (whether normally closed (NC) or normally open (NO)) of their auxiliary sets of contacts.
Page 32 THALES AVIONICS ELECTRICAL SYSTEMS COMPONENT MAINTENANCE MANUAL P/N 105-003-* (b) Detection of the second battery When the second battery is present, the relay BC2 is also connected in the system. Detection is accomplished by means of the two auxiliary sets of contacts of the relay BC2: −...
Page 33 THALES AVIONICS ELECTRICAL SYSTEMS COMPONENT MAINTENANCE MANUAL P/N 105-003-* − the "BTC SW" changeover switch located on the "Maintenance panel" ("OPEN- BTC1" and "OPEN-BTC2" positions), − the "SVCE BUS SW" pushbutton located on the "Steward panel" ("ON" and "OFF" positions), −...
Page 34 THALES AVIONICS ELECTRICAL SYSTEMS COMPONENT MAINTENANCE MANUAL P/N 105-003-* − to the "SHED" and "ON" indicator lights of the "SVCE BUS SW" pushbutton, located on the "Steward panel", − to the FAULT indicator lights "START GENE 1", "START GENE 2", "START APU", "DISAGREED BTC1, BTC2", "DISAGREED SVCE BUS and UTIL BUS"...
Page 35 THALES AVIONICS ELECTRICAL SYSTEMS COMPONENT MAINTENANCE MANUAL P/N 105-003-* In order to close the "GND HDLG EXT PWR" relay once again, it is necessary to open and then close the circuit generating the "EXT POWER PRESENT" data item or, alternatively, to disconnect and then again connect the plug of the external power receptacle.
Page 36 THALES AVIONICS ELECTRICAL SYSTEMS COMPONENT MAINTENANCE MANUAL P/N 105-003-* The "ON" indicator light will come on if the "AVAILABLE" logic function conditions are met and the push-button switch is set to "ON". The BPCU prevents the "EPC" contactor relay from closing, or compels the "EPC"...
Page 37 THALES AVIONICS ELECTRICAL SYSTEMS COMPONENT MAINTENANCE MANUAL P/N 105-003-* In the "EMER BUS ON" operating mode, the BPCU produces a time delay between the data items "EXT PWR PRESENT" and "EXT PWR CORRECT" in order to eliminate the effects of extremely brief interruptions in the power delivered by the ground power unit, which could result in the operation of the protection features.
Page 38 THALES AVIONICS ELECTRICAL SYSTEMS COMPONENT MAINTENANCE MANUAL P/N 105-003-* (12) Control of the "SVCE EXT PWR" and "SVCE MAIN BUS" relays, providing power for the service bus The + 28 V power for the service bus is provided by: −...
Page 39 THALES AVIONICS ELECTRICAL SYSTEMS COMPONENT MAINTENANCE MANUAL P/N 105-003-* EXT. PW. Present Correct No lock Closed energi- Present Correct "0" No lock Closed energi- Present Correct "1" No lock Closed energi- Missing "1" No lock Closed energi- Present Correct Light...
Page 40 THALES AVIONICS ELECTRICAL SYSTEMS COMPONENT MAINTENANCE MANUAL P/N 105-003-* (14) Operation of relays BTC1 and BTC2 (a) By means of the "BTC SW" push-button on the "Pilot" panel Opening or closing of the relay BTC2 (and relay BTC1 in the configuration with APU) is accomplished by operating the two-position push-button switch "BTC SW"...
Page 41 THALES AVIONICS ELECTRICAL SYSTEMS COMPONENT MAINTENANCE MANUAL P/N 105-003-* The logic function conditions are as follows: "DISAGREED BTC1 and BTC2" indicator light on = (PRESENCE APU) and (BTC1 coil energized) and (auxiliary contacts of BTC1 open) (PRESENCE APU) and (BTC2 coil energized) and (auxiliary contacts of BTC2 open).
Page 42 THALES AVIONICS ELECTRICAL SYSTEMS COMPONENT MAINTENANCE MANUAL P/N 105-003-* Conditions for closing relay UBC2 GENERATOR GENERATOR SPEED 1 SPEED 2 No lock "1" N > 45 % .N > 61.5 % No lock "0" Closed N > 45 % .N > 61.5 % No lock "0"...
Page 43 THALES AVIONICS ELECTRICAL SYSTEMS COMPONENT MAINTENANCE MANUAL P/N 105-003-* The orders can be transmitted either: − to channel 1 and channel 2, − to the three channels, − to the APU channel only. Moreover, certain conditions must be met before the generator control units receive the inhibition orders.
Page 44 THALES AVIONICS ELECTRICAL SYSTEMS COMPONENT MAINTENANCE MANUAL P/N 105-003-* BLOCK DIAGRAM OF THE BUS POWER CONTROL UNIT (BPCU) FIGURE 3 PAGE 20 24-76-13 AUG. 08/06 Use or disclosure of this data is subject to the restrictions on the cover page of this Component Maintenance Manual with IPL.
Page 45 THALES AVIONICS ELECTRICAL SYSTEMS COMPONENT MAINTENANCE MANUAL P/N 105-003-* the position of the relay BC1 − BC1 in a de-energized condition - no indication, − BC1 in a closed condition when a starting sequence is not being performed: • the FAULT, "START GENE 1" and "START GENE 2" indicator lights of the "Maintenance"...
Page 46 THALES AVIONICS ELECTRICAL SYSTEMS COMPONENT MAINTENANCE MANUAL P/N 105-003-* The "CNTOR" magnetic indicator becomes white: − when the positions of any of the auxiliary contacts of the following relays, "EPC", "SVCE MAIN BUS", "SVCE EXT PWR", "UBC1", "UBC2", "BTC1", "BTC2", "BC1", "BC2", "GC1", "GC2"...
Page 47 THALES AVIONICS ELECTRICAL SYSTEMS COMPONENT MAINTENANCE MANUAL P/N 105-003-* − the BPCU must be in the "GROUND" configuration and the "MAIN BUS 1", "MAIN BUS 2" and the "TIE BUS" must not be energized. If all the above conditions are met, the "CC" indicator light must come on when the "CL SW"...
Page 48 THALES AVIONICS ELECTRICAL SYSTEMS COMPONENT MAINTENANCE MANUAL P/N 105-003-* CONFIDENCE TEST BLOCK DIAGRAM FIGURE 4 PAGE 24 24-76-13 AUG. 08/06 Use or disclosure of this data is subject to the restrictions on the cover page of this Component Maintenance Manual with IPL.
Page 49 THALES AVIONICS ELECTRICAL SYSTEMS COMPONENT MAINTENANCE MANUAL P/N 105-003-* − S.CH APU for a fault affecting the starting circuits of the APU channel. − BPCU for a fault corresponding to the external power or wartchdog protection circuits. − RESET ; by depressing this pushbutton switch the magnetic indicators are returned to their original configuration.
Page 50 THALES AVIONICS ELECTRICAL SYSTEMS COMPONENT MAINTENANCE MANUAL P/N 105-003-* The emergency power supply delivers + 12 V non-isolated power, with an electrical ground that is common with that of the + 28 V supply. On the circuit diagrams, the following indications are given to identify the electrical...
Page 51 THALES AVIONICS ELECTRICAL SYSTEMS COMPONENT MAINTENANCE MANUAL P/N 105-003-* − either the ground power unit, by priority, if it is present, − or one or two batteries, − one or two batteries together with power supplied by the opposite channel, if the starter-generator of this channel is operating as a generator ("cross start"...
Page 52 THALES AVIONICS ELECTRICAL SYSTEMS COMPONENT MAINTENANCE MANUAL P/N 105-003-* Subsequently, the load shedding of the other buses occurs at 0.3 second intervals and they are also set into a LOCK OUT configuration. As for the service bus, manual intervention is necessary before they can again be energized. If the current overload data item switches to a 0 level, the load shedding sequence is immediately abandoned and the system continues to operate in the new condition.
Page 53 THALES AVIONICS ELECTRICAL SYSTEMS COMPONENT MAINTENANCE MANUAL P/N 105-003-* BLOCK DIAGRAM OF THE BPCU POWER SUPPLIES FIGURE 5 PAGE 29 24-76-13 AUG. 08/06 Use or disclosure of this data is subject to the restrictions on the cover page of this Component Maintenance Manual with IPL.
Page 54 THALES AVIONICS ELECTRICAL SYSTEMS COMPONENT MAINTENANCE MANUAL P/N 105-003-* Should the BPCU have carried out all the load shedding operations and the current overload still remains present, the BPCU transmits a data item called "End of load shedding" to the GCU. Upon receipt of such a message, the GCU requests the opening of the line relay GC of the overloaded channel.
Page 55 THALES AVIONICS ELECTRICAL SYSTEMS COMPONENT MAINTENANCE MANUAL P/N 105-003-* The - 12 V power, only used to drive the overload detection operational amplifier and the Hall-effect probe of the external power receptacle, is obtained from the intermediate rectified voltage of the + 12 V power supply.
Page 56 THALES AVIONICS ELECTRICAL SYSTEMS COMPONENT MAINTENANCE MANUAL P/N 105-003-* Overvoltage detection The voltage produced by the EPR receptacle is applied, following division, to the negative input of a threshold comparator. When the voltage reaches a certain value, the comparator sends a "1" logic level fault signal to the processing unit.
Page 57 THALES AVIONICS ELECTRICAL SYSTEMS COMPONENT MAINTENANCE MANUAL P/N 105-003-* BLOCK DIAGRAM OF “INPUTS AND DETECTIONS” PCB ASSEMBLY Z100 FIGURE 6 PAGE 33 24-76-13 AUG. 08/06 Use or disclosure of this data is subject to the restrictions on the cover page of this Component Maintenance Manual with IPL.
Page 58 THALES AVIONICS ELECTRICAL SYSTEMS COMPONENT MAINTENANCE MANUAL P/N 105-003-* (e) Test system The ground testing circuits are connected in parallel with the voltage testing circuits, in order to superimpose simulated faults on these detection circuits and so represent: − an overload occurring during normal operation, −...
Page 59 THALES AVIONICS ELECTRICAL SYSTEMS COMPONENT MAINTENANCE MANUAL P/N 105-003-* (c) The "watchdog" Two signals (pins P2-15, P2-16), from the processing unit of the Z300 PCB assembly, enter two systems consisting of logic gates and two astable circuits. When the two signals consist of pulses, operation is normal. As soon as one of...
Page 60 THALES AVIONICS ELECTRICAL SYSTEMS COMPONENT MAINTENANCE MANUAL P/N 105-003-* BLOCK DIAGRAM OF THE “POWER SUPPLY AND OUTPUTS” PCB ASSEMBLY Z200 FIGURE 7 PAGE 36 24-76-13 AUG. 08/06 Use or disclosure of this data is subject to the restrictions on the cover page of this Component Maintenance Manual with IPL.
Page 61 THALES AVIONICS ELECTRICAL SYSTEMS COMPONENT MAINTENANCE MANUAL P/N 105-003-* When a time delay has elapsed, the Z100 PCB assembly sends three logic states to the processing unit. The latter sends other stimuli signals to the demultiplexing, allowing the relay K1 to open and allowing the DS1 indicator light to go out.
Page 62 THALES AVIONICS ELECTRICAL SYSTEMS COMPONENT MAINTENANCE MANUAL P/N 105-003-* (b) Isolation of the relay energization orders The microprocessor, through the intermediary of a PIA, after isolation and amplification, energizes the following relays: − BC1, BC2, − BTC1, BTC2, − UBC1, UBC2, −...
Page 63 THALES AVIONICS ELECTRICAL SYSTEMS COMPONENT MAINTENANCE MANUAL P/N 105-003-* BLOCK DIAGRAM OF THE “LOGIC AND OUTPUT STAGE” PCB ASSEMBLY Z300 FIGURE 8 PAGE 39 24-76-13 AUG. 08/06 Use or disclosure of this data is subject to the restrictions on the cover page of this Component Maintenance Manual with IPL.
Page 64 THALES AVIONICS ELECTRICAL SYSTEMS COMPONENT MAINTENANCE MANUAL P/N 105-003-* CIRCUIT DIAGRAM OF THE “LOGIC AND OUTPUT STAGE” PCB ASSEMBLY Z300 FIGURE 9 SHEET 1 PAGE 40 24-76-13 AUG. 08/06 Use or disclosure of this data is subject to the restrictions on the cover page of this Component Maintenance Manual with IPL.
Page 65 THALES AVIONICS ELECTRICAL SYSTEMS COMPONENT MAINTENANCE MANUAL P/N 105-003-* CIRCUIT DIAGRAM OF THE “LOGIC AND OUTPUT STAGE” PCB ASSEMBLY Z300 FIGURE 9 SHEET 2 PAGE 41 24-76-13 AUG. 08/06 Use or disclosure of this data is subject to the restrictions on the cover page of this Component Maintenance Manual with IPL.
Page 66 THALES AVIONICS ELECTRICAL SYSTEMS COMPONENT MAINTENANCE MANUAL P/N 105-003-* CIRCUIT DIAGRAM OF THE “LOGIC AND OUTPUT STAGE” PCB ASSEMBLY Z300 FIGURE 9 SHEET 3 PAGE 42 24-76-13 AUG. 08/06 Use or disclosure of this data is subject to the restrictions on the cover page of this Component Maintenance Manual with IPL.
Page 67 THALES AVIONICS ELECTRICAL SYSTEMS COMPONENT MAINTENANCE MANUAL P/N 105-003-* CIRCUIT DIAGRAM OF THE “LOGIC AND OUTPUT STAGE” PCB ASSEMBLY Z300 FIGURE 9 SHEET 4 PAGE 43 24-76-13 AUG. 08/06 Use or disclosure of this data is subject to the restrictions on the cover page of this Component Maintenance Manual with IPL.
Page 68 THALES AVIONICS ELECTRICAL SYSTEMS COMPONENT MAINTENANCE MANUAL P/N 105-003-* (4) The "Power" printed circuit board Z400 (REF. Figure 10) The "Power" PCB comprises the following two functional assemblies: − amplification of the Z300 relay energization orders, − power supply. (a) Amplification of the Z300 relay energization orders As the amplifiers that amplify the energization orders for the coils of the relays of the Z300 PCB are low-powered, transistors are interposed to energize the relays.
Page 69 THALES AVIONICS ELECTRICAL SYSTEMS COMPONENT MAINTENANCE MANUAL P/N 105-003-* CIRCUIT DIAGRAM OF THE “POWER” PRINTED CIRCUIT BOARD Z400 FIGURE 10 PAGE 45 24-76-13 AUG. 08/06 Use or disclosure of this data is subject to the restrictions on the cover page of this Component Maintenance Manual with IPL.
Page 70 THALES AVIONICS ELECTRICAL SYSTEMS COMPONENT MAINTENANCE MANUAL P/N 105-003-* A + 28 V power supply voltage, protected by the fuse F1 and diode CR56, then filtered by the inductor L1 and capacitors C29, C30, is applied to the centre tapping of the primary winding. One of the ends of this winding (pin 2) receives the pulse width modulation switching power supply, which is fed from the Z200 PCB assembly through transistor Q18.
Page 71 THALES AVIONICS ELECTRICAL SYSTEMS COMPONENT MAINTENANCE MANUAL P/N 105-003-* When the voltage U is positive, capacitor C77 becomes charged through diode CR121. When this voltage is annulled, the capacitor C77, which cannot become discharged instantaneously, sets a - 12 V voltage at the anode of the diode CR121.
Page 72 THALES AVIONICS ELECTRICAL SYSTEMS COMPONENT MAINTENANCE MANUAL P/N 105-003-* (c) Protection provided for the external power receptacle EPR (REF. Figure 11, Sheets 5 and 6 before SB 105-003-24-011 and Sheets 5.1 and 6.1 post SB 105- 003-24-011) Overload detection under normal operating conditions The EPR probe is energized between the + 12 V and - 12 V voltages.
Page 73 THALES AVIONICS ELECTRICAL SYSTEMS COMPONENT MAINTENANCE MANUAL P/N 105-003-* The five outputs of the "AND" gates, corresponding to the five overload levels, are combined to control the base of a transistor Q14, through the intermediary of two "OR" gates. In the event of an overload, the transistor Q14 becomes saturated and sends a "0"...
Page 74 THALES AVIONICS ELECTRICAL SYSTEMS COMPONENT MAINTENANCE MANUAL P/N 105-003-* Undervoltage detection The voltage of the receptacle EPR, divided by the resistor bridge (R49, R50) of the overvoltage detection circuit, is again divided by a resistor bridge (R59, R261) before being applied to the positive input (pin 4) of a comparator (H5a).
Page 75 THALES AVIONICS ELECTRICAL SYSTEMS COMPONENT MAINTENANCE MANUAL P/N 105-003-* (e) Test system (REF. Figure 11, Sheets 5 and 6 before SB 105-003-24-011 and Sheets 5.1 and 6.1 post SB 105-003-24-011) The test signal from relay K1 of the Z200 PCB assembly, which is received at pin P2-2, has an amplitude of + 28 V.
Page 76 THALES AVIONICS ELECTRICAL SYSTEMS COMPONENT MAINTENANCE MANUAL P/N 105-003-* The test signal, clipped to + 12 V by the Zener diode CR9 of the overload detection test circuit, is applied to the negative input of the comparator H5b. In conjunction with the resistor R47, resistor R52 forms a voltage divider and the diode CR21 short-circuits the Zener diode CR20 and resistor R53.
Page 77 THALES AVIONICS ELECTRICAL SYSTEMS COMPONENT MAINTENANCE MANUAL P/N 105-003-* CIRCUIT DIAGRAM OF THE “INPUTS AND DETECTIONS” PCB ASSEMBLY Z100 FIGURE 11 SHEET 1 PAGE 53 24-76-13 AUG. 08/06 Use or disclosure of this data is subject to the restrictions on the cover page of this Component Maintenance Manual with IPL.
Page 78 THALES AVIONICS ELECTRICAL SYSTEMS COMPONENT MAINTENANCE MANUAL P/N 105-003-* CIRCUIT DIAGRAM OF THE “INPUTS AND DETECTIONS” PCB ASSEMBLY Z100 BEFORE SB 105-003-24-011 FIGURE 11 SHEET 2 PAGE 54 24-76-13 AUG. 08/06 Use or disclosure of this data is subject to the restrictions on the cover page of this Component Maintenance Manual with IPL.
Page 79 THALES AVIONICS ELECTRICAL SYSTEMS COMPONENT MAINTENANCE MANUAL P/N 105-003-* REVISION REVISION REVISION REVISION SERIAL N° SERIAL N° CODE CODE DESCRIPTION DESCRIPTION EFFFECTIVITY EFFFECTIVITY Connect the necessary unused inputs of the logic integrated S/N 1464.and circuit of Z100 PCB to a defined level in order to avoid...
Page 80 THALES AVIONICS ELECTRICAL SYSTEMS COMPONENT MAINTENANCE MANUAL P/N 105-003-* CIRCUIT DIAGRAM OF THE “INPUTS AND DETECTIONS” PCB ASSEMBLY Z100 POST SB 105-003-24-011 FIGURE 11 SHEET 2.1 PAGE 54B 24-76-13 AUG. 08/06 Use or disclosure of this data is subject to the restrictions on the cover page of this Component Maintenance Manual with IPL.
Page 81 THALES AVIONICS ELECTRICAL SYSTEMS COMPONENT MAINTENANCE MANUAL P/N 105-003-* CIRCUIT DIAGRAM OF THE “INPUTS AND DETECTIONS” PCB ASSEMBLY Z100 FIGURE 11 SHEET 3 PAGE 55 24-76-13 AUG. 08/06 Use or disclosure of this data is subject to the restrictions on the cover page of this Component Maintenance Manual with IPL.
Page 82 THALES AVIONICS ELECTRICAL SYSTEMS COMPONENT MAINTENANCE MANUAL P/N 105-003-* CIRCUIT DIAGRAM OF THE “INPUTS AND DETECTIONS” PCB ASSEMBLY Z100 FIGURE 11 SHEET 4 PAGE 56 24-76-13 AUG. 08/06 Use or disclosure of this data is subject to the restrictions on the cover page of this Component Maintenance Manual with IPL.
Page 83 THALES AVIONICS ELECTRICAL SYSTEMS COMPONENT MAINTENANCE MANUAL P/N 105-003-* CIRCUIT DIAGRAM OF THE “INPUTS AND DETECTIONS” PCB ASSEMBLY Z100 BEFORE SB 105-003-24-011 FIGURE 11 SHEET 5 PAGE 57 24-76-13 AUG. 08/06 Use or disclosure of this data is subject to the restrictions on the cover page of this Component Maintenance Manual with IPL.
Page 84 THALES AVIONICS ELECTRICAL SYSTEMS COMPONENT MAINTENANCE MANUAL P/N 105-003-* REVISION REVISION REVISION REVISION SERIAL N° SERIAL N° CODE CODE DESCRIPTION DESCRIPTION EFFFECTIVITY EFFFECTIVITY Connect the necessary unused inputs of the logic integrated S/N 1464.and circuit of Z100 PCB to a defined level in order to avoid...
Page 85 THALES AVIONICS ELECTRICAL SYSTEMS COMPONENT MAINTENANCE MANUAL P/N 105-003-* CIRCUIT DIAGRAM OF THE “INPUTS AND DETECTIONS” PCB ASSEMBLY Z100 POST SB 105-003-24-011 FIGURE 11 SHEET 5.1 PAGE 57B 24-76-13 AUG. 08/06 Use or disclosure of this data is subject to the restrictions on the cover page of this Component Maintenance Manual with IPL.
Page 86 THALES AVIONICS ELECTRICAL SYSTEMS COMPONENT MAINTENANCE MANUAL P/N 105-003-* CIRCUIT DIAGRAM OF THE “INPUTS AND DETECTIONS” PCB ASSEMBLY Z100 BEFORE SB 105-003-24-011 FIGURE 11 SHEET 6 PAGE 58 24-76-13 AUG. 08/06 Use or disclosure of this data is subject to the restrictions on the cover page of this Component Maintenance Manual with IPL.
Page 87 THALES AVIONICS ELECTRICAL SYSTEMS COMPONENT MAINTENANCE MANUAL P/N 105-003-* REVISION REVISION REVISION REVISION SERIAL N° SERIAL N° CODE CODE DESCRIPTION DESCRIPTION EFFFECTIVITY EFFFECTIVITY Connect the necessary unused inputs of the logic integrated S/N 1464.and circuit of Z100 PCB to a defined level in order to avoid...
Page 88 THALES AVIONICS ELECTRICAL SYSTEMS COMPONENT MAINTENANCE MANUAL P/N 105-003-* CIRCUIT DIAGRAM OF THE “INPUTS AND DETECTIONS” PCB ASSEMBLY Z100 POST SB 105-003-24-011 FIGURE 11 SHEET 6.1 PAGE 58B 24-76-13 AUG. 08/06 Use or disclosure of this data is subject to the restrictions on the cover page of this Component Maintenance Manual with IPL.
Page 89 THALES AVIONICS ELECTRICAL SYSTEMS COMPONENT MAINTENANCE MANUAL P/N 105-003-* The output voltage of the opto-isolator is applied to an input of a comparator (pin 1) that is incorporated in the modulator circuit H1. This modulator, at its output (pin 11), modulates the width of the rectangular pulse signal that it generates, so as to compensate this error signal and cancel it.
Page 90 THALES AVIONICS ELECTRICAL SYSTEMS COMPONENT MAINTENANCE MANUAL P/N 105-003-* Under normal operating conditions, the two signals consist of unsynchronized pulse trains with a frequency that does not allow capacitor C32 the time to become charged to 2/3 V DC between two pulses. The output of the trigger H13 being at a "1"...
Page 91 THALES AVIONICS ELECTRICAL SYSTEMS COMPONENT MAINTENANCE MANUAL P/N 105-003-* (d) Demultiplexing of the data supplied by the BPCU (REF. Figure 12, Sheets 1, 2, 3 and 4) A seven-stage binary counter (H16) provides, by means of its four outputs Q1 to Q4, the selection codes for the outputs of the demultiplexers H14 and H15.
Page 92 THALES AVIONICS ELECTRICAL SYSTEMS COMPONENT MAINTENANCE MANUAL P/N 105-003-* The "1" level, at the output of the watchdog, through the intermediary of the diodes CR39, CR42, CR128 to CR131, sets the outputs of buffers H18b, H18d, H18f, H20b, H20e and H20f to "1".
Page 93 THALES AVIONICS ELECTRICAL SYSTEMS COMPONENT MAINTENANCE MANUAL P/N 105-003-* Four conditions concerning the Z100 PCB assembly must be fulfilled in order to allow the closing of the relay K1 on the ground, as follows: − the GND/AIR SW relay must be set to GND, −...
Page 94 THALES AVIONICS ELECTRICAL SYSTEMS COMPONENT MAINTENANCE MANUAL P/N 105-003-* CIRCUIT DIAGRAM OF THE “POWER SUPPLY AND OUTPUTS” PCB ASSEMBLY Z200 FIGURE 12 SHEET 1 PAGE 64 24-76-13 AUG. 08/06 Use or disclosure of this data is subject to the restrictions on the cover page of this Component Maintenance Manual with IPL.
Page 95 THALES AVIONICS ELECTRICAL SYSTEMS COMPONENT MAINTENANCE MANUAL P/N 105-003-* CIRCUIT DIAGRAM OF THE “POWER SUPPLY AND OUTPUTS” PCB ASSEMBLY Z200 FIGURE 12 SHEET 2 PAGE 65 24-76-13 AUG. 08/06 Use or disclosure of this data is subject to the restrictions on the cover page of this Component Maintenance Manual with IPL.
Page 96 THALES AVIONICS ELECTRICAL SYSTEMS COMPONENT MAINTENANCE MANUAL P/N 105-003-* CIRCUIT DIAGRAM OF THE “POWER SUPPLY AND OUTPUTS” PCB ASSEMBLY Z200 FIGURE 12 SHEET 3 PAGE 66 24-76-13 AUG. 08/06 Use or disclosure of this data is subject to the restrictions on the cover page of this Component Maintenance Manual with IPL.
Page 97 THALES AVIONICS ELECTRICAL SYSTEMS COMPONENT MAINTENANCE MANUAL P/N 105-003-* CIRCUIT DIAGRAM OF THE “POWER SUPPLY AND OUTPUTS” PCB ASSEMBLY Z200 FIGURE 12 SHEET 4 PAGE 67 24-76-13 AUG. 08/06 Use or disclosure of this data is subject to the restrictions on the cover page of this Component Maintenance Manual with IPL.
Page 98 THALES AVIONICS ELECTRICAL SYSTEMS COMPONENT MAINTENANCE MANUAL P/N 105-003-* CIRCUIT DIAGRAM OF THE “POWER SUPPLY AND OUTPUTS” PCB ASSEMBLY Z200 FIGURE 12 SHEET 5 PAGE 68 24-76-13 AUG. 08/06 Use or disclosure of this data is subject to the restrictions on the cover page of this Component Maintenance Manual with IPL.
Page 99 THALES AVIONICS ELECTRICAL SYSTEMS COMPONENT MAINTENANCE MANUAL P/N 105-003-* CIRCUIT DIAGRAM OF THE “POWER SUPPLY AND OUTPUTS” PCB ASSEMBLY Z200 FIGURE 12 SHEET 6 PAGE 69 24-76-13 AUG. 08/06 Use or disclosure of this data is subject to the restrictions on the cover page of this Component Maintenance Manual with IPL.
Page 100 THALES AVIONICS ELECTRICAL SYSTEMS COMPONENT MAINTENANCE MANUAL P/N 105-003-* INTERCONNECTION DIAGRAM OF THE BUS POWER CONTROL UNIT FIGURE 13 SHEET 1 PAGE 70 24-76-13 AUG. 08/06 Use or disclosure of this data is subject to the restrictions on the cover page of this Component Maintenance Manual with IPL.
Page 101 THALES AVIONICS ELECTRICAL SYSTEMS COMPONENT MAINTENANCE MANUAL P/N 105-003-* INTERCONNECTION DIAGRAM OF THE BUS POWER CONTROL UNIT FIGURE 13 SHEET 2 PAGE 71 24-76-13 AUG. 08/06 Use or disclosure of this data is subject to the restrictions on the cover page of this Component Maintenance Manual with IPL.
Page 102 THALES AVIONICS ELECTRICAL SYSTEMS COMPONENT MAINTENANCE MANUAL P/N 105-003-* PAGE LEFT BLANK INTENTIONALLY PAGE 72 24-76-13 AUG. 08/06 Use or disclosure of this data is subject to the restrictions on the cover page of this Component Maintenance Manual with IPL.
Page 103: Testing And Troubleshooting
THALES AVIONICS ELECTRICAL SYSTEMS COMPONENT MAINTENANCE MANUAL P/N 105-003-* TESTING AND TROUBLESHOOTING TESTING A. Checking electrical characteristics The checking of the electrical characteristics of the unit is performed by using test benches, comprising: − the AUXILEC type adjustment and tuning bench, P/N 43082 or equivalent, comprising the type test rack P/N 44750 wich is required for the complete testing of the unit, −...
Page 104 THALES AVIONICS ELECTRICAL SYSTEMS COMPONENT MAINTENANCE MANUAL P/N 105-003-* (3) PINS OF THE BPCU 105-003-* (a) J1A PIN ASSIGNMENT PIN ASSIGNMENT LEVEL GROUND EMERGENCY BUS LEVEL INPUT NORMAL = 28 V J1A/45 UNUSED (OR BC2 COIL OUTPUT) ON = 28 V OFF=0 V J1A/45 EXT.
Page 105 THALES AVIONICS ELECTRICAL SYSTEMS COMPONENT MAINTENANCE MANUAL P/N 105-003-* PIN ASSIGNMENT LEVEL GROUND START INITIATION SIGNAL OUTPUT TO ON = 12 V OFF = 0 V J1A/45 GCUAPU/B6 BACKUP POWER OUTPUT TO GCU2/B30 NORMAL = 28 V J1A/45 GENAPU FAULT START SIGNAL - GENAPU...
Page 106 THALES AVIONICS ELECTRICAL SYSTEMS COMPONENT MAINTENANCE MANUAL P/N 105-003-* PIN ASSIGNMENT LEVEL GROUND EXT. POWER SWITCH (PILOT PANEL) ON = 28 V OFF = 0 V J1A/45 AVAILABLE/ON INDICATOR OUTPUT (NOTE 4) DC CONNECTED AND DC NOT IN USE ON = 28 V OFF = 0 V...
Page 107 THALES AVIONICS ELECTRICAL SYSTEMS COMPONENT MAINTENANCE MANUAL P/N 105-003-* NOTA 1: SR CLOSED WHEN J1A/56 IS GROUNDED (0 V) AND MAIN BUS 1 IS ENERGIZED (28 V). STR CLOSED WHEN J1A/30 IS HIGH (28 V) AND SR IS OPENED. EGHR CLOSED WHEN J1A/30 IS HIGH (28 V).
Page 108 THALES AVIONICS ELECTRICAL SYSTEMS COMPONENT MAINTENANCE MANUAL P/N 105-003-* PIN ASSIGNMENT LEVEL GROUND GEN1 POWER READY SIGNAL INPUT ON = 12 V OFF = 0 V J1A/45 FROM GCU1/B9 GEN1 TACHOMETER FAILURE ON = 12 V OFF = 0 V...
Page 109 THALES AVIONICS ELECTRICAL SYSTEMS COMPONENT MAINTENANCE MANUAL P/N 105-003-* PIN ASSIGNMENT LEVEL GROUND GCAPU COIL SIGNAL INPUT FROM ON = 28 V OFF = 0 V J1A/45 GCUAPU/B15 START REQUEST SIGNAL INPUT ON = 28 V OFF = 0 V...
Page 110 THALES AVIONICS ELECTRICAL SYSTEMS COMPONENT MAINTENANCE MANUAL P/N 105-003-* PIN ASSIGNMENT LEVEL GROUND UBC1 AUXILIARY CONTACT CENTER GROUNDED J2/F TAP OUTPUT UBC1 AUXILIARY CONTACT UBC1 ON = 0 V OFF = 5 V J2/F CLOSE STATE INPUT UBC1 AUXILIARY CONTACT UBC1...
Page 111 THALES AVIONICS ELECTRICAL SYSTEMS COMPONENT MAINTENANCE MANUAL P/N 105-003-* PIN ASSIGNMENT LEVEL GROUND STR AUXILIARY CONTACT STR ON = 0 V OFF = 5 V J2/F CLOSE STATE INPUT STR AUXILIARY CONTACT STR OPEN ON = 0 V OFF = 5 V...
Page 112 THALES AVIONICS ELECTRICAL SYSTEMS COMPONENT MAINTENANCE MANUAL P/N 105-003-* PIN ASSIGNMENT LEVEL GROUND UBC2 AUXILIARY CONTACT UBC2 ON = 0 V OFF = 5 V J2/F CLOSE STATE INPUT UBC2 AUXILIARY CONTACT UBC2 ON = 0 V OFF = 5 V...
Page 113 THALES AVIONICS ELECTRICAL SYSTEMS COMPONENT MAINTENANCE MANUAL P/N 105-003-* PIN ASSIGNMENT LEVEL GROUND SR AUXILIARY CONTAC SR CLOSE ON = 0 V OFF = 5 V J2/F STATE INPUT UNUSED UNUSED CROSS START FAILURE LIGHT ON = 28 V OFF = 0 V...
Page 114 THALES AVIONICS ELECTRICAL SYSTEMS COMPONENT MAINTENANCE MANUAL P/N 105-003-* (4) BPCU 19 - PIN FRONT CONNECTOR PIN ASSIGNMENT LEVEL GROUND BPCU 5 VDC POWER SUPPLY TEST NORMAL = 5 V J2/F OUTPUT NORMAL = 30 ± 5 V BPCU 30 V DC TEST OUTPUT...
Page 115 THALES AVIONICS ELECTRICAL SYSTEMS COMPONENT MAINTENANCE MANUAL P/N 105-003-* PIN ASSIGNMENT LEVEL GROUND 5 ± 2 V SQUARE WAVE WATCHDOG J2/F NORMAL = OUTPUT 25 ± 5 ms PERIOD - 50 % DUTY CYCLE RESET SIGNAL TO J2/F MICROPROCESSOR - SIGNAL REACHES 5 V IN 0.6 ±...
Page 116 THALES AVIONICS ELECTRICAL SYSTEMS COMPONENT MAINTENANCE MANUAL P/N 105-003-* PITCH VOLTAGE (V) CLIMBING 0.001 0.01 0.25 TIME (sec) DURATION 0.001 0.01 (sec) - With the oscilloscope record the 5 V μ between the pins A and F of the J2 connector and the control of the reset μ...
Page 117: Disassembly
THALES AVIONICS ELECTRICAL SYSTEMS COMPONENT MAINTENANCE MANUAL P/N 105-003-* DISASSEMBLY NOTE: - Refer to chapter "TESTING AND TROUBLESHOOTING" to determine the condition of the unit or the most likely cause of faulty operation. - The special tools and equipment used are listed under chapter "SPECIAL TOOLS, FIXTURES AND EQUIPMENT".
Page 118 THALES AVIONICS ELECTRICAL SYSTEMS COMPONENT MAINTENANCE MANUAL P/N 105-003-* C. Removal of the Power printed circuit board Z400 (REF. IPL, Figures 1 and 2) − Remove the cover (REF. para. A.). − Disconnect the connector (2-250) connecting the Z400 printed circuit board.
Page 119 THALES AVIONICS ELECTRICAL SYSTEMS COMPONENT MAINTENANCE MANUAL P/N 105-003-* (4) Removal of a push-button switch SW1 or SW2 − Disengage the indicator support (REF. para. (1)). − Mark and identify, then unsolder the leads running to the push-button switch (340) to be removed.
Page 120 THALES AVIONICS ELECTRICAL SYSTEMS COMPONENT MAINTENANCE MANUAL P/N 105-003-* G. Disengagement of the circuit board cage assembly (REF. IPL, Figure 2) − Remove the cover (REF. para. A.). − Remove the printed circuit board assemblies Z100 to Z300 (REF. para. B.).
Page 121 THALES AVIONICS ELECTRICAL SYSTEMS COMPONENT MAINTENANCE MANUAL P/N 105-003-* − Unsolder the pins of the connector by means of the unsoldering tool. − Unscrew, then remove the connector attaching screws and recover the washers. − Remove the spring washers (13).
Page 122 THALES AVIONICS ELECTRICAL SYSTEMS COMPONENT MAINTENANCE MANUAL P/N 105-003-* (3) Removal of the "Connecting circuit 1" (130) − Unscrew the nuts securing the polarization system of the receptacles of the circuit board cage (with the exception of the two nuts of the Z100 connector which is located towards the inside).
Page 123: Cleaning
THALES AVIONICS ELECTRICAL SYSTEMS COMPONENT MAINTENANCE MANUAL P/N 105-003-* CLEANING NOTE: The products used in this section are listed under the chapter "LIST OF PRODUCTS". PRODUCT Isopropyl Alcohol. CLEANING The cleaning of the BPCU consists in removing dust from it with a brush and a jet of dry low- pressure compressed air.
Page 124 THALES AVIONICS ELECTRICAL SYSTEMS COMPONENT MAINTENANCE MANUAL P/N 105-003-* PAGE LEFT BLANK INTENTIONALLY PAGE 402 24-76-13 AUG. 08/06 Use or disclosure of this data is subject to the restrictions on the cover page of this Component Maintenance Manual with IPL.
Page 125: Check
FIXTURES, AND EQUIPMENT". The checking of the electrical characteristics of the BPCU is described in the instruction manuals of the THALES AVIONICS ELECTRICAL SYSTEMS test racks and bench, P/N 43082, 44750 and 44751. Perform a visual inspection of the complete unit, especially checking: −...
Page 126 THALES AVIONICS ELECTRICAL SYSTEMS COMPONENT MAINTENANCE MANUAL P/N 105-003-* PAGE LEFT BLANK INTENTIONALLY PAGE 502 24-76-13 AUG. 08/06 Use or disclosure of this data is subject to the restrictions on the cover page of this Component Maintenance Manual with IPL.
Page 127: Repair
THALES AVIONICS ELECTRICAL SYSTEMS COMPONENT MAINTENANCE MANUAL 105-003-* REPAIR NOTE : The products used are listed under chapter "LIST OF PRODUCTS". The special tools and equipment used are listed under chapter "SPECIAL TOOLS, FIXTURES, AND EQUIPMENT". EQUIPMENT REQUIRED A. Tools −...
Page 128 THALES AVIONICS ELECTRICAL SYSTEMS COMPONENT MAINTENANCE MANUAL P/N 105-003-* LOCATION OF THE FUSES ON THE POWER PRINTED CIRCUIT BOARD Z400 FIGURE 601 PAGE 602 24-76-13 AUG. 08/06 Use or disclosure of this data is subject to the restrictions on the cover page of this Component Maintenance Manual with IPL.
Page 129 THALES AVIONICS ELECTRICAL SYSTEMS COMPONENT MAINTENANCE MANUAL 105-003-* REPLACEMENT OF A FUSE ON THE POWER PRINTED CIRCUIT BOARD Z400 (REF. FIGURE 601) NOTE: When a fuse is to be replaced, the soldering tool shall be fitted with a nozzle suitable for the surface of the soldered points.
Page 130 THALES AVIONICS ELECTRICAL SYSTEMS COMPONENT MAINTENANCE MANUAL P/N 105-003-* REPLACEMENT OF A PIN CONTACT OF THE RECEPTACLE J2 − Disengage the receptacle towards the front of the unit in order to gain access to the wiring (REF. chapter "DISASSEMBLY"). −...
Page 131 THALES AVIONICS ELECTRICAL SYSTEMS COMPONENT MAINTENANCE MANUAL 105-003-* − Apply a coat of varnish with HUMISEAL 1A33 conformal coating in accordance with manufacturer’s instructions, over areas where the solder has been removed. − Allow the varnish to dry in the open air for 24 hours.
Page 132 THALES AVIONICS ELECTRICAL SYSTEMS COMPONENT MAINTENANCE MANUAL P/N 105-003-* PAGE LEFT BLANK INTENTIONALLY PAGE 606 24-76-13 AUG. 08/06 Use or disclosure of this data is subject to the restrictions on the cover page of this Component Maintenance Manual with IPL.
Page 133: Assembly And Storage
THALES AVIONICS ELECTRICAL SYSTEMS COMPONENT MAINTENANCE MANUAL 105-003-* ASSEMBLY AND STORAGE NOTE: The products used are listed under the chapter "LIST OF PRODUCTS". The special tools and equipment used are listed under the chapter "SPECIAL TOOLS, FIXTURES AND EQUIPMENT ".
Page 134 THALES AVIONICS ELECTRICAL SYSTEMS COMPONENT MAINTENANCE MANUAL P/N 105-003-* − Solder the connecting points to the terminal board TB1. − Using a brush dipped in alcohol, clean all the soldered joints. − Check that each soldered connection is satisfactory, which implies: •...
Page 135 THALES AVIONICS ELECTRICAL SYSTEMS THALES AVIONICS ELECTRICAL SYSTEMS COMPONENT MAINTENANCE MANUAL COMPONENT MAINTENANCE MANUAL 105-003-* 105-003-* − − INSTALLATION OF THE FLEXIBLE CONNECTING CIRCUITS FIGURE 701 PAGE 703 24-76-13 24-76-13 AUG. 08/06 Use or disclosure of this data is subject to the restrictions on the cover page of this Component Maintenance Manual with IPL.
Page 136 THALES AVIONICS ELECTRICAL SYSTEMS COMPONENT MAINTENANCE MANUAL P/N 105-003-* Using a camel hair brush, apply a drop of varnish with HUMISEAL 1A33 conformal coating in accordance with manufacturer’s instructions, to all the soldered connections. − Allow the varnish to dry in the open air for 24 hours.
Page 137 THALES AVIONICS ELECTRICAL SYSTEMS COMPONENT MAINTENANCE MANUAL 105-003-* • locate, then solder the layer (marked 3) which is provided with six rows of holes, • clean, then check the quality of each soldered joint (REF. para. (1)), • using a camel hair brush, apply a drop of varnish with HUMISEAL 1A33 conformal coating in accordance with manufacturer’s instructions, to all the...
Page 138 THALES AVIONICS ELECTRICAL SYSTEMS COMPONENT MAINTENANCE MANUAL P/N 105-003-* − Install the receptacle protection plug (110) in the receptacle. − Locate, then secure the receptacle by means of the three screws (40), fitted with spring washers (50). − Secure the retaining chain of the protection plug by means of the screw (40) fitted with spring washer (50).
Page 139 THALES AVIONICS ELECTRICAL SYSTEMS COMPONENT MAINTENANCE MANUAL 105-003-* WIRING DIAGRAM FOR THE INDICATOR SUPPORT AND RECEPTACLE J2 FIGURE 702 PAGE 707 24-76-13 AUG. 08/06 Use or disclosure of this data is subject to the restrictions on the cover page of this Component Maintenance Manual with IPL.
Page 140 THALES AVIONICS ELECTRICAL SYSTEMS COMPONENT MAINTENANCE MANUAL P/N 105-003-* (d) Installation of a magnetic indicator, DS2 to DS6 − After applying a drop of Loctite SR242 to its screwthreads, screw the magnetic indicator (300) into its holder (320) and insert the assembly into the housing of the indicator support (360).
Page 141 THALES AVIONICS ELECTRICAL SYSTEMS COMPONENT MAINTENANCE MANUAL 105-003-* STORAGE A. Preservation − Protect the electrical receptacle J1 by means of two plastic caps. − Wrap the unit in Kraft paper. − Place the wrapped unit in a heat-sealable plastic bag.
Page 142 THALES AVIONICS ELECTRICAL SYSTEMS COMPONENT MAINTENANCE MANUAL P/N 105-003-* PAGE LEFT BLANK INTENTIONALLY PAGE 710 24-76-13 AUG. 08/06 Use or disclosure of this data is subject to the restrictions on the cover page of this Component Maintenance Manual with IPL.
Page 143: Fits And Clearances
THALES AVIONICS ELECTRICAL SYSTEMS COMPONENT MAINTENANCE MANUAL 105-003-* FITS AND CLEARANCES Not applicable. PAGE 801 24-76-13 AUG. 08/06 Use or disclosure of this data is subject to the restrictions on the cover page of this Component Maintenance Manual with IPL.
Page 144 THALES AVIONICS ELECTRICAL SYSTEMS COMPONENT MAINTENANCE MANUAL P/N 105-003-* PAGE LEFT BLANK INTENTIONALLY PAGE 802 24-76-13 AUG. 08/06 Use or disclosure of this data is subject to the restrictions on the cover page of this Component Maintenance Manual with IPL.
Page 145: Special Tools, Fixtures And Equipment
THALES AVIONICS ELECTRICAL SYSTEMS COMPONENT MAINTENANCE MANUAL 105-003-* SPECIAL TOOLS, FIXTURES AND EQUIPMENT NOTE : Equivalents items or equipment may be used in place of those listed. PART NUMBER NOMENCLATURE TEST. DISA. CLEAN. CHECK. REPAIR. AS.ST. TOOLS VP801 EC WELLER unsoldering station...
Page 146 THALES AVIONICS ELECTRICAL SYSTEMS COMPONENT MAINTENANCE MANUAL P/N 105-003-* PAGE LEFT BLANK INTENTIONALLY PAGE 902 24-76-13 AUG. 08/06 Use or disclosure of this data is subject to the restrictions on the cover page of this Component Maintenance Manual with IPL.
Page 147: Illustrated Parts List
THALES AVIONICS ELECTRICAL SYSTEMS COMPONENT MAINTENANCE MANUAL 105-003-* ILLUSTRATED PARTS LIST TP 1001 PAGE 1 24-76-13 AUG. 08/06 Use or disclosure of this data is subject to the restrictions on the cover page of this Component Maintenance Manual with IPL.
Page 148 THALES AVIONICS ELECTRICAL SYSTEMS COMPONENT MAINTENANCE MANUAL P/N 105-003-* PAGE LEFT BLANK INTENTIONALLY TP 1001 PAGE 2 24-76-13 AUG. 08/06 Use or disclosure of this data is subject to the restrictions on the cover page of this Component Maintenance Manual with IPL.
Page 149 THALES AVIONICS ELECTRICAL SYSTEMS COMPONENT MAINTENANCE MANUAL 105-003-* INTRODUCTION GENERAL The illustrated parts list (IPL) is prepared to ATA100. The IPL is intended to identify all the components of the unit. The illustrated parts list contains the following sections : −...
Page 150 THALES AVIONICS ELECTRICAL SYSTEMS COMPONENT MAINTENANCE MANUAL P/N 105-003-* B. Manufacturer's part number Each of the assemblies, sub-assemblies and detail parts, illustrated or not ; is assigned to a manufacturer part number. The suffix "AMDTA", located at the end of the part number of any reference, means that above reference is amended "A".
Page 151 THALES AVIONICS ELECTRICAL SYSTEMS COMPONENT MAINTENANCE MANUAL 105-003-* E. Units per assembly The units per assembly column show the number of units required for the next higher assembly. In some cases this information is replaced by the letters RF (reference) or AR (as required).
Page 152 THALES AVIONICS ELECTRICAL SYSTEMS COMPONENT MAINTENANCE MANUAL P/N 105-003-* UPDATING When an item is revised, added deleted, the letter "R" is shown in the RH margin (the date of issue changes). Letter "R" appears in the RH margin opposite to the page number when all the item numbers are changed.
Page 153 THALES AVIONICS ELECTRICAL SYSTEMS THALES AVIONICS ELECTRICAL SYSTEMS COMPONENT MAINTENANCE MANUAL COMPONENT MAINTENANCE MANUAL 105-003-* 105-003-* VENDOR'S NAME - ADDRESS CODE D1178 D1178 SIEMENS AG SIEMENS AG BALANSTRASSE 73 BALANSTRASSE 73 81541 MUENCHEN 81541 MUENCHEN GERMANY GERMANY D3841 D3841 WICKMANN WERKE GMBH...
Page 154 THALES AVIONICS ELECTRICAL SYSTEMS COMPONENT MAINTENANCE MANUAL P/N 105-003-* VENDOR'S NAME - ADDRESS CODE F0349 F0349 TEXTRON FASTENING SYSTEMS SITE FERTE FRESNEL TEXTRON FASTENING SYSTEMS SITE FERTE FRESNEL 10 FORET DU CHATEAU 10 FORET DU CHATEAU 61550 LA FERTE FRENEL...
Page 155 THALES AVIONICS ELECTRICAL SYSTEMS THALES AVIONICS ELECTRICAL SYSTEMS COMPONENT MAINTENANCE MANUAL COMPONENT MAINTENANCE MANUAL 105-003-* 105-003-* VENDOR'S NAME - ADDRESS CODE F3950 F3950 OUEST ELECTRONIC CONNECTEURS OUEST ELECTRONIC CONNECTEURS 5 RUE DE LA FAUVETTE B. P. 38 5 RUE DE LA FAUVETTE B. P. 38...
Page 156 THALES AVIONICS ELECTRICAL SYSTEMS COMPONENT MAINTENANCE MANUAL P/N 105-003-* VENDOR'S NAME - ADDRESS CODE 70365 70365 THREE FIVE SYSTEMS INC THREE FIVE SYSTEMS INC 1600 N DESERT DRIVE 1600 N DESERT DRIVE 85281 – 1212 TEMPE 85281 – 1212 TEMPE...
Page 157 THALES AVIONICS ELECTRICAL SYSTEMS COMPONENT MAINTENANCE MANUAL 105-003-* EQUIPMENT EQUIPMENT FIGURE ITEM FIGURE ITEM DESIGNATION DESIGNATION 170A 250A 250A CR10 260A 250A 250A CR11 260A CR12 260A 290A 290A CR13 260A 300A 300A CR14 260A 300A 300A CR15 260A 300A...
Page 158 THALES AVIONICS ELECTRICAL SYSTEMS COMPONENT MAINTENANCE MANUAL P/N 105-003-* EQUIPMENT EQUIPMENT FIGURE ITEM FIGURE ITEM DESIGNATION DESIGNATION 340A 340A 340A 340A Z100 Z100 Z100 Z100 Z100 Z100 Z100 Z100 Z100 Z100 Z100 Z100 Z100 Z100 Z200 Z200 Z300 Z300 Z300...
Page 159 THALES AVIONICS ELECTRICAL SYSTEMS THALES AVIONICS ELECTRICAL SYSTEMS COMPONENT MAINTENANCE MANUAL COMPONENT MAINTENANCE MANUAL 105-003-* 105-003-* PART NUMBER AIRLINE PART NUMBER FIGURE ITEM A5Q1ZH030010APA A5Q1ZH030010APA 220B 220B A5Q1ZH030010APA A5Q1ZH030010APA 350B 350B BD652 BD652 BD652 BD652 100A 100A BDX53E BDX53E BDX53F...
Page 160 THALES AVIONICS ELECTRICAL SYSTEMS COMPONENT MAINTENANCE MANUAL P/N 105-003-* PART NUMBER AIRLINE PART NUMBER FIGURE ITEM LJQ1QG020008UL LJQ1QG020008UL LJQ1QG025010UL LJQ1QG025010UL 110A 110A LJQ1QG025010UL LJQ1QG025010UL 180A 180A LJQ1QG025012UL LJQ1QG025012UL LJQ1QG030006UL LJQ1QG030006UL 160A 160A LJQ1QG030006UL LJQ1QG030006UL 370A 370A LJQ1QG030006UL LJQ1QG030006UL 270A 270A...
Page 161 THALES AVIONICS ELECTRICAL SYSTEMS THALES AVIONICS ELECTRICAL SYSTEMS COMPONENT MAINTENANCE MANUAL COMPONENT MAINTENANCE MANUAL 105-003-* 105-003-* AIRLINE PART NUMBER PART NUMBER FIGURE ITEM P605017 P605017 - 20A - 20A P707513 P707513 -255A -255A DELLETED DELLETED 110A 110A P709266-5 P709266-5 P716883...
Page 162 THALES AVIONICS ELECTRICAL SYSTEMS COMPONENT MAINTENANCE MANUAL P/N 105-003-* PART NUMBER AIRLINE PART NUMBER FIGURE ITEM VTZT025TPA VTZT025TPA -13B -13B VTZT025TPA VTZT025TPA VTZT025TPA VTZT025TPA 130B 130B VTZT025TPA VTZT025TPA 200B 200B VTZT030TPA VTZT030TPA VTZT030TPA VTZT030TPA 170B 170B VTZT030TPA VTZT030TPA 380B 380B...
Page 163 THALES AVIONICS ELECTRICAL SYSTEMS THALES AVIONICS ELECTRICAL SYSTEMS COMPONENT MAINTENANCE MANUAL COMPONENT MAINTENANCE MANUAL 105-003-* 105-003-* PART NUMBER AIRLINE PART NUMBER FIGURE ITEM 01320040012 01320040012 200A 200A DELLETED DELLETED - 15A - 15A 1N4003 1N4003 330A 330A 1N4003 1N4003 250A...
Page 164 THALES AVIONICS ELECTRICAL SYSTEMS COMPONENT MAINTENANCE MANUAL P/N 105-003-* PAGE LEFT BLANK INTENTIONALLY NI NUM 1001 PAGE 2 24-76-13 AUG. 08/06 Use or disclosure of this data is subject to the restrictions on the cover page of this Component Maintenance Manual with IPL.
Page 165: Detailed Parts List
THALES AVIONICS ELECTRICAL SYSTEMS COMPONENT MAINTENANCE MANUAL 105-003-* DETAILED PARTS LIST PAGE 1001 24-76-13 AUG. 08/06 Use or disclosure of this data is subject to the restrictions on the cover page of this Component Maintenance Manual with IPL.
Page 166 THALES AVIONICS ELECTRICAL SYSTEMS COMPONENT MAINTENANCE MANUAL P/N 105-003-* BUS POWER CONTROL UNIT FIGURE 1 PAGE1001 - 0 24-76-13 AUG. 08/06 Use or disclosure of this data is subject to the restrictions on the cover page of this Component Maintenance Manual with IPL.
Page 167 THALES AVIONICS ELECTRICAL SYSTEMS COMPONENT MAINTENANCE MANUAL 105-003-* UNITS NOMENCLATURE FIGURE USAGE PART NUMBER 1 2 3 4 5 6 7 ITEM CODE - 1A 105-003-1 BUS POWER CONTROL UNIT..........- 1B 105-003-2 BUS POWER CONTROL UNIT..........POST SB 105-0003-24-002 ..........
Page 168 THALES AVIONICS ELECTRICAL SYSTEMS COMPONENT MAINTENANCE MANUAL P/N 105-003-* UNITS NOMENCLATURE FIGURE USAGE PART NUMBER 1 2 3 4 5 6 7 ITEM CODE 170A 170A 520301-24 520301-24 . . WASHER, SPRING TENSION....... F0349 . . WASHER, SPRING TENSION....... F0349...
Page 169 THALES AVIONICS ELECTRICAL SYSTEMS COMPONENT MAINTENANCE MANUAL 105-003-* PAGE LEFT BLANK INTENTIONALLY PAGE 1001 - 3 24-76-13 AUG. 08/06 Use or disclosure of this data is subject to the restrictions on the cover page of this Component Maintenance Manual with IPL.
Page 170 THALES AVIONICS ELECTRICAL SYSTEMS COMPONENT MAINTENANCE MANUAL P/N 105-003-* PAGE LEFT BLANK INTENTIONALLY BUS POWER CONTROL UNIT (CONT'D) FIGURE 2 PAGE1002 - 0 24-76-13 AUG. 08/06 Use or disclosure of this data is subject to the restrictions on the cover page of this Component Maintenance Manual with IPL.
Page 171 THALES AVIONICS ELECTRICAL SYSTEMS COMPONENT MAINTENANCE MANUAL 105-003-* NOMENCLATURE UNITS FIGURE USAGE PART NUMBER 1 2 3 4 5 6 7 CODE ITEM - 1A 800366AAA CHASSIS ASSEMBLY (CONT'D) ........NP SEE 01-390A FOR NHA HE804ES53Z . CONNECTOR, RECEPTACLE, ELECTRICAL..F0114...
Page 172 THALES AVIONICS ELECTRICAL SYSTEMS COMPONENT MAINTENANCE MANUAL P/N 105-003-* NOMENCLATURE UNITS FIGURE USAGE PART NUMBER 1 2 3 4 5 6 7 CODE ITEM 290A 290A TAPD54BS TAPD54BS . RIVET, SOLID ............F0368 . RIVET, SOLID ............F0368 * * *...
Page 173 THALES AVIONICS ELECTRICAL SYSTEMS COMPONENT MAINTENANCE MANUAL 105-003-* PAGE LEFT BLANK INTENTIONALLY PAGE 1002 - 3 24-76-13 AUG. 08/06 Use or disclosure of this data is subject to the restrictions on the cover page of this Component Maintenance Manual with IPL.
Page 174 THALES AVIONICS ELECTRICAL SYSTEMS COMPONENT MAINTENANCE MANUAL P/N 105-003-* CIRCUIT CARD ASSEMBLY FIGURE 3 PAGE1003 - 0 24-76-13 AUG. 08/06 Use or disclosure of this data is subject to the restrictions on the cover page of this Component Maintenance Manual with IPL.
Page 175 THALES AVIONICS ELECTRICAL SYSTEMS COMPONENT MAINTENANCE MANUAL 105-003-* NOMENCLATURE UNITS FIGURE USAGE PART NUMBER 1 2 3 4 5 6 7 CODE ITEM - 1A - 1A P059215-1AAA P059215-1AAA CIRCUIT CARD ASSEMBLY ..........CIRCUIT CARD ASSEMBLY ..........SEE 01-070A FOR NHA...
Page 176 THALES AVIONICS ELECTRICAL SYSTEMS COMPONENT MAINTENANCE MANUAL P/N 105-003-* NOMENCLATURE UNITS FIGURE USAGE PART NUMBER 1 2 3 4 5 6 7 CODE ITEM 260A DTZ68A DTZ68A . SEMI-CONDUCTOR, DEVICE, DIODE....F8859 . SEMI-CONDUCTOR, DEVICE, DIODE....F8859 SUSPD BY 1.5KE68CP ............
Page 177 THALES AVIONICS ELECTRICAL SYSTEMS COMPONENT MAINTENANCE MANUAL 105-003-* PAGE LEFT BLANK INTENTIONALLY PAGE 1003 - 3 24-76-13 AUG. 08/06 Use or disclosure of this data is subject to the restrictions on the cover page of this Component Maintenance Manual with IPL.
Page 178 THALES AVIONICS ELECTRICAL SYSTEMS COMPONENT MAINTENANCE MANUAL P/N 105-003-* CIRCUIT CARD ASSEMBLY (CONT'D) FIGURE 4 PAGE1004 - 0 24-76-13 AUG. 08/06 Use or disclosure of this data is subject to the restrictions on the cover page of this Component Maintenance Manual with IPL.
Page 179 THALES AVIONICS ELECTRICAL SYSTEMS THALES AVIONICS ELECTRICAL SYSTEMS COMPONENT MAINTENANCE MANUAL COMPONENT MAINTENANCE MANUAL 105-003-* 105-003-* NOMENCLATURE UNITS FIGURE USAGE PART NUMBER 1 2 3 4 5 6 7 CODE ITEM - 1A - 1A P059215-1BAA P059215-1BAA CIRCUIT CARD ASSEMBLY (CONT'D) ........
Page 180 THALES AVIONICS ELECTRICAL SYSTEMS COMPONENT MAINTENANCE MANUAL P/N 105-003-* CIRCUIT CARD ASSEMBLY (CONT'D) FIGURE 5 PAGE1005 - 0 24-76-13 AUG. 08/06 Use or disclosure of this data is subject to the restrictions on the cover page of this Component Maintenance Manual with IPL.
Page 181 THALES AVIONICS ELECTRICAL SYSTEMS COMPONENT MAINTENANCE MANUAL 105-003-* NOMENCLATURE UNITS FIGURE USAGE PART NUMBER 1 2 3 4 5 6 7 CODE ITEM - 1A - 1A P059215-1CAA P059215-1CAA CIRCUIT CARD ASSEMBLY (CONT'D) ........ CIRCUIT CARD ASSEMBLY (CONT'D) ........ SEE 01-090A FOR NHA...
Page 182 THALES AVIONICS ELECTRICAL SYSTEMS COMPONENT MAINTENANCE MANUAL P/N 105-003-* PAGE LEFT BLANK INTENTIONALLY PAGE1005 - 2 24-76-13 AUG. 08/06 Use or disclosure of this data is subject to the restrictions on the cover page of this Component Maintenance Manual with IPL.