NORTHERN ELECTRIC P0500416 Description, Operation, Installation And Maintenance Manual Download | Manualshive

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TCI Library- http://www.telephonecollectors.info/

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Summary of Contents for P0500416

Page 1: ...g continuity and talking features of the circuit In the maintenance of equipment they may also be used to locate trouble in the various por1ions of the circuit The types of equipment with which these handsets are used are shown in Table A I OJ These handsets are intended for both indoor and outdoor use and are available in the standard green 51 colour 1 04 Each type of handset is provided with a M...

Page 2: ...et 1 06 If these handsets are accidentally connected directly across 48 volts with the Monitor Talk switch in the talk position the circuit design is such that minimum damage results 1 07 Conversion Parts Parts are available to modify QSE4A type handsets in service to QSE4B types in order to provide the additional features shown in Table B For installation of these conversion kits refer to 4 10 NO...

Page 3: ...for use where data transmission facilities are not provided and it is only necessary to bridge the line under test with a medium impedance of I000 ohms in the Monitor position as indicated on the rocker switch when the red face is hidden In the Talk position the red face on the switch is visible and the de resistance is approximately 130 ohms The use of the pushbutton is described in 3 01 4 2 05 T...

Page 4: ...11 2UF LI BK SL SJ BL I BL BL i I I I I I i I SL WH I I I GN lRD SL S4 Fig 3 WH YEL SL TB2 YEL SL I BL I J OR It _ 1 CORD BL RD BL BL PC BL RI 68 1 MK RV l Cl C2 I 4UF 4UF YEL SL I I YEL SL I WH I TPI HT _ _ SL 401 t SJ SL BR QSE4A Handset Schematic and Wiring a 0 0 0 t 0 J ...

Page 5: ...Q I J s RD BK YEL SL Tl Cl 0022UF Tl PR PCZ RD OR Fig 4 BL OR NOTE I YEL SL I BL L SL WH BL f SL RO sz RD SL SL BR WH WH YEL S_L _ SL RD BL RO CORO I BK L f i r BL PC 68 RV Cl CZ YEL SL L 4Uf 4UF 1 I YEL SL IE 1 I SL TPI 40u A QSE4B Handset Schem itk and Wiring C MK HTl 0 0 0 0I 0 ...

Page 6: ...CLIP NE 2W37A CORD NE 108 CORD TIP NE 2W38A CORD V 12000 NE 2W39A CORD V o r NE 310 PLUG I 1 NE 240A PLUG l 1200 0 _r7 I _ NE 2W40A CORD NE 240H PLUG NE 360A T I NE 3608 T NE 2W41A CORD 2000 0 I J I 0 I NE 3W8A CORD 2000 0 rt 1 f lc NE 3W10A CORD t I t I L V NE 240A PLUG NE 4W10A CORD OOL OOL NE W3AA CORD NS 6780 CONNECTING CLIP NE 108 CORD TIP TOOLS SUCH AS THE NE 411A TOOL MAY BE USED WITH THE N...

Page 7: ...ndsets 9006Q 103 1 Make certain that the test clips make electrical contact with only one circuit at a time Fig 6 Wearing of Handset on Tool Belts 2 To bridge the line under test the rocker switch should be in the Monitor position which is indicated by the red face of the switch being hidden In this mode the handset has an impedance of approximately 1000 ohms 3 Dialing can be accomplished in the n...

Page 8: ... 4 MAINTENANCE 4 01 Normal maintenance may involve replacement of the dial transmitter unit receiver unit or the cord NOTE Dial maintenance consists only of determining if the dial is defective Do not attempt adjustments of the dial in the field 4 02 Disassembly of Handset see Fig 8 and 9 item Nos refer to Fig 9 1 To remove the card retainer window item 13 insert the tip of an NS 16750 L3 Releaser...

Page 9: ...TCI Library http www telephonecollectors info Fig 8 Removal of Handset Grommet Fig 9 QSE4 Type Handsets Assembly of Parts rM Northern Electric it COMPANY LIMITED PRINTED IN CANADA 9006Q 103 Page 9 ...

Page 10: ...for instructions on opening the handset 2 Remove the four screws item 5 and remove the two hook plate retainers item 15 and the hookstop item 14 3 Replace the hook ensuring that the four mounting screws are properly positioned in the two hook plate retainers and that the hookstop is properly positioned between the hook and the cover 4 See 4 09 for instructions on re assembly of handset 4 09 Re ass...

Page 11: ...dial and pushbutton item S1 The bracket of the transformer should now be located over the pushbutton 7 Connect the yellow slate lead from PC2 to terminal R of the transmitter cup with the existing yellow slate lead on that terminal 9006Q 103 8 Insert the two screws item 6 through the mounting holes in PC2 and into the terminal screw holes in the transmitter cup 9 Ensure that the line cord is passe...

Page 12: ...1 W I LINE CORD 4 a 1 LEAD RED I ORANGE LEAD 3 BLUE LEADS I RED LEAD 2 YELLOW SLATE LEADS Fig 10 QSE4B Type Handset Cover Removed Showing Connection of Line Cord and Assembly of PC2 Pu500416 For Conversion Purposes Page 12 rNJ Northern Electric l J COMPANY LIMITED PRINTED IN CANADA ...

Page 13: ...x 038 Thick Spacer Phenol Fibre 141 I D x 219 O D x 250 long Bracket Card Holder Hookstop Hook Plate Retainer Hook Plate Disc Disc Friction Pad Instrument Section Assembly Handset Cover Assembly Grommet Femah Grommet Male Cord E W NSQ4100 LI Clips Cord E W NE 346A Plug Receiver Cup Cup Assembly Pushbutton Assembly Pushbutton Assembly Pushbutton Assembly Dial Printed Circuit Board Assembly Printed ...

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