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Содержание Decorator Series

Страница 1: ...om Decorator Telephone Sets Northern Telecom Practices 502 9011 200 Issue Date 1O Feb 1979 Type QSK420 QSQM420 Type Candlestick Purpose Identification Connections Maintenance Jeff Lamb info telephonec...

Страница 2: ...tick Telephone Set CONTENTS PAGE CONTENTS PAGE 1 GENERAL 1058 4 MAINTENANCE 1060 Reason for Reissue 1058 2 IDENTIFICATION 1058 5 ASSEMBLY OF PARTS 1062 3 CONNECTIONS 1058 Handsfree Connection 1060 Tel...

Страница 3: ...t is equipped with a 3 conductor round spade tip ended mounting cord The set can also be modified for use with NE IAI or NE IA2 Key Telephone Systems KTS 1058 info telephonecollectors org 2 03 The QSQ...

Страница 4: ...AUX BK R A A A Ringer Note 1 S R s BK G D G G s K K K S Y L2 L2 L2 S BR c c c S G Ll t Ll t Lt t Line Switch S W F F F S R GN GN GN S BK R R R 0 BL Indicates insulate and store t Indicates a QCM15B co...

Страница 5: ...ne set mounting cord lead from terminal L2 of the network and connect to the R TeleDialer lead using a QCM12A connector connect the Y TeleDialer lead to terminal L2 of the network Trademark of Norther...

Страница 6: ...8 TRANSFORMER OR EQUIVALENT Fig 2 Handsfree Connections CMl2A CONNECTOR 1 R __ R t Y G Fig 3 a TeleDialer Connections for Individual or Bridged and Ring Party Service QCMl2A CONNECTOR L R R QDM2AI Y T...

Страница 7: ...M420 type telephone set S ASSEMBLY OF PARTS 5 01 The procedures for substituting the field replaceable components see Table D in the QSK420 and QSQM420 type telephone sets are contained in the followi...

Страница 8: ...lower left adapter tab away from the dial Fig 4 a Press down on the housing until it drops about 1 8 inch or 3 2 mm into place 6 Check that the other two tabs have cleared the dial If not push the ta...

Страница 9: ...IAL FINGERWHEEL TELEPHONE SET HOUSING DIAL Fig 4 a Installing Housing Assembly Chart I Step S DIAL FINGERWHEEL SCREWDRIVER DIAL TELEPHONE SET HOUSING Fig 4 b Installing Housing Assembly Chart 1 Step 6...

Страница 10: ...connect the ringer leads from the network 4 Remove the two ringer mounting screws and lift the ringer from the base 5 Replace the ringer See Table C for connections STEP PROCEDURE CHART 5 REPLACING TH...

Страница 11: ...t and pull the cord from the hook fitting 4 Remove the handset cord from the telephone set base in a similar manner to the mounting cord See Chart6 Fig 5 a or S b 5 Replace the handset cord See Schema...

Страница 12: ...T BASE HANDSET CORD Fig S a Method of Fastening the Mounting and Handset Cords prior to March 1978 RETAINING SCREWS TELEPHONE SET BASE HANOSET CORO Fig S b Method of Fastening the Mounting and Handset...

Страница 13: ...518 w P043A518 W TRANSMITTER R 0527723 0 k BL 8K P0527724 G P043A516 GJ JB l BL P043A517 BU BK F W e NE D3BN d B MOUNT R ING 9 c CORD 0 1 J G Ol 0 a BR c z Vi tl Y 0 S w 0 0 _ ll 0 z l er wo _ _ L1 l...

Страница 14: ...Diagram for QSK420 Type Telephone Set CHART 9 ADJUSTING TRANSMITTER HEAD POSITION STEP PROCEDURE Caution The movement ofI he transmitter head cannot be restricted by over tighlenlng I he moundng scre...

Страница 15: ...SECTION 502 9011 200 Fig 8 QSK420 and QSQM420 Type Telephone S Assembly of Parts Table F 1070 info telephonecollectors org Jeff Lamb...

Страница 16: ...rk Ringer Dial Receiver Unit Transmitter Unit Cord Handset Cord Mounting 7198 Screw 4189 Screw 7139 Screw 7109 Screw 7149 Screw 7144 Wuher 7145 Lock Washer 7151 Stat Washer 4122 Housing Washer 7143 Pa...

Страница 17: ...Support 4107 Lower Fitting Column 4117 Actuator Sleeve 4144 Lower Ferrule 4211 Platform 4704 Actutator Button 4109 B Black 4109 R Transmitter Red 4109 W Housing White 4116 B 4116 R Hook 4116 W 4105 B...

Страница 18: ...93 B 4193 R Transmitter Cap 4193 W Assembly 4123 M 4123 B 4123 R 4123 W Housing Assembly 4123 M 4215 B 4215 R Dial Insert 4215 W Card Holder Parts Group Note 2 1 Items 15B 16B and l 7B are shown on Fi...

Страница 19: ...er off hook and place a large plastic bag completely over the telephone set with the bag opening at the base Position the set in the one ofthe foam inserts as shown Place the mounting cord in the larg...

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