(4)
Personnel at the cabin attendant stations use the service interphone system by picking up the attendant handset and talking.
(5)
Personnel at service locations use the service interphone system by plugging a headset into the phone jack and talking. First, the SERV INTPH switch must be set to ON.
B. Control_______
(1)
To place the system in operation, supply electrical power
(Ref 24-22-00/201).
(2)
On overhead panel P11, make sure the INTERPHONE CABIN SERVICE circuit breaker is closed.
(3)
On right sidewall panel P61, make sure the SERV INTPH switch is on.
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A
757 FAULT ISOLATION/MAINT MANUAL
SERVICE INTERPHONE SYSTEM
COMPONENT FIG. 102 SHT QTY ACCESS/AREA REFERENCE
CIRCUIT BREAKER --- FLT COMPT, P11
INTERPHONE CABIN SERVICE, C551 1 11C23 *
JACK - SERVICE INTPH, D00413 --- 1 315AL,316AR, APU SHROUD *
JACK - SERVICE INTPH, D00415 --- 1 822, AFT CARGO DOOR, AFT EQUIP-MENT CENTER *
JACK - SERVICE INTPH, D00417 --- 1 R WING FUELING PANEL, P28 *
JACK - SERVICE INTPH, D00423 --- 1 119BL, MAIN EQUIP CTR *
JACK - SERVICE INTPH, D00425 --- 1 NOSE LANDING GEAR, P62 *
JACK - SERVICE INTPH, D00427 --- 1 R MAIN WHEEL WELL *
JACK - SERVICE INTPH, D00429 --- 1 FUSELAGE, HORIZONTAL STAB ACCESS PANEL *
FLIGHT RECORDER CONTROL, M33 PANEL - (REF 31-31-00, FIG. 101)JACK - SERVICE INTPH, D00843 --- 1 RACK 821, FWD CARGO DOOR, E5, EQUIP *
SWITCH - SERVICE INTPH, (S2)UNIT - (REF 23-42-00, FIG. 101) AUDIO ACCESSORY, M108 --- 1 PNL, M33 FLT COMPT, P61, FLT RCDR CONT *
* SEE THE WDM EQUIPMENT LIST
Service Interphone System - Component Index
Figure 101
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757 FAULT ISOLATION/MAINT MANUAL
P11 PANEL
FLIGHT RECORDER CONTROL PANEL, M33 (REF)
SEE A
P61 PANEL
FLIGHT COMPARTMENT
SERV INTPH SERVICE
FLT RCDR
INTERPHONE
ON
ON SWITCH,NORM (S2)OFF OFF
OFF w
FLIGHT RECORDER CONTROL PANEL, M33 (REF)
A
D00417 D00427D00843
D00423
D00415
D00425
D00413
D00429
315AL,316AR D00413
D00415 D00429
D00425
821
D00427
822
119BL D00423
D00843
SERVICE INTERPHONE JACK LOCATIONS
Service Interphone System - Component Location
Figure 102
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A
757 MAINTENANCE MANUAL
SERVICE INTERPHONE SYSTEM - ADJUSTMENT/TEST
___________________________________________
TASK 23-41-00-715-001
1. Operational Test - Service Interphone System____________________________________________
A. General
(1) This procedure contains a task that gives the operational test for the service interphone system.
B. References
(1) AMM 24-22-00/201, Electrical Power - Control
C. Equipment
(1) Boom mic headset or handset
D. Access
(1)
Location Zones 119/120 Main equipment center (LH/RH side) 144 Main landing gear wheel well (RH side) 211/212 Control cabin - sect 41 (LH/RH side) 315/316 APU compartment (LH/RH side) 331 Horizontal stabilizer, center section (LH side) 711 Nose landing gear (NLG)
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