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CIRCUIT DESCRIPTION
Description of Components
MAIN UNIT
Cc
t
Use/Function
Operation/Condition/Compatibility
Parts No.
10501
C601
cao | Bu40616° | CMOS AND, 4 Lines
ica02_| Bu4069
1C803_| uPD1716-696
Switching
iB
.
:
7
:
DTC114Y
(for MW STOP SENS set up)
VC-E = 3.5V during an MW seek operation, VC-E = OV in STOP mode.
28C2021
Switching (MW/LW select)
Turns ON in MW mode : VB-E = 0.6V, VC-E = 2.2V
VC-E = OV in LW mode. KRC-363L only.
Q252
Q403
2SD1 469
Switching (AM power supply)
Turns OFF in MW/LW mode, VE = 8.3V. Turns OFF in FM mode, VE = OV.
0404
2SA874
Switching (FM power supply)
Turns ON in FM mode,
VE = 8.3V. Turns OFF in MW/LW mode.
aos | DTCTaaTe
Q604 | OTCTASTF
2SA957
agoi_|
2sc2021
aso2 | 2sK246Y
aod
Q804
MW/LW tuning voltage set, VE = 1.0 ~ 8.0V (fmin ~ fmax).
asos
| DTAI14YF
Smenine
,
VC = 5V when power is turned ON, OV when power is OFF.
(microprocessor CE pin)
agog | 2sc2021
Sting
(microprocessor CE pin)
ae
'
Switching for DK VR pull-up. Turns OFF when the DK signat is present.
sei
eo DIES
SACOG
Fn
ouput
Turns ON when the DK signal is not present. KRC-363D only.
Q405
2SD1225M
Stabilizer (Radio power supply) | Power supply for the radio, VE = 8.8V
Switching
2:
7"
Q406
28C2021
(AM/EM power supply)
Turns ON in FM mode, VB-E = 0.6V, VC-E = OV
ie)
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