HA-W400RF (EG)/(EK)
8.Block Diagram
Receiver (Headphones)AUTO
TUNING
IC3:74HC4060
TUNING CONTROL
AT
2321191715
FMPRE
AMP
OSCVCORch
71
UHF1RFFM13FILTER
ANTIFFILTERAMPHEADPHONE
MODULEMIX
FMAMP
F.FDEC
GNDVBAF14
FMFM6 IC2:TDA2822S3
FILTER
IFDET
IC1:TA2111F2
Lch
4812611
VOL.CONTROL
STEREO
INDICATOR
(Green)POWER
INDICATOR
(Red)Ni-Cd Battery
(1.2V) x 2
9.Electric Parts List
Transmitter
! No.Parts No. Parts NameDescription
J21967-002 Transmitter Unit
In case of some problem arise in this transmitter unit, have to change the transmitter unit
itself, due to avoid the law of radio regulation.
Parts marked (!) ave safety parts. When replacing, be sure to use the specified one.
Receiver (Headphones)
! No.Parts No.Parts NameDescription
! J33526-001Main P.C.B Ass'yAdjusted
J46881-001Charge P.C.B Ass'y
D3 J46882-001LEDStereo Indicator
D4J46520-001LED Power indicator
VR3 J46885-001Variable ResistorVolume control, 50 k& X 2
! SW1J46883-001Power SwitchSlide
SW2J46886-001Tuning SwitchTact
! JX1J46884-001Charge Jack
Parts marked (!) are safety parts. When replacing, be sure to use the specified one.
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ACEC
