Filter
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2 - 1
AF mute circuit
Q441* : 2SC4116
Q442* : CPH3403
Q443 : CPH3403
Q444 : DTC144EU
EEPROM
(IC591*: HN58X2416TI)
IN/EXT microphone switch
(Q461, Q462: UN911H)
Microphone amplifier
(IC471: NJM2904V)
AF mute
(IC481: TC4W66FU)
S5V regulator
(Q561: 2SA1588)
M5V regulator
Q551: 2SB1132
Q552: XP6501
Q553: DTC144EU
CPU
(IC661: µPD780316GC-511-9EB)
SECTION 2 INSIDE VIEWS
• LOGIC UNIT
Bottom view
*: Located in another side of
this point.
• MAIN UNIT
Top view
Bottom view
APC control
(IC141: TA75S01F)
Bandpass filter
(FI211: FL-355)
PLL IC
(IC1: MB15A02PFV)
Reference frequency
crystal
(X1: CR664A;
15.300 MHz)
FM IF IC
(IC231:
TA31136FN)
IF amplifier
(Q211: 2SC4215)
D/A converter
(IC251:
M62363FP-650C)
1st Mixer
(Q191: 3SK299)
VCO circuit
RF amplifier
(Q165: 3SK294)
Power amplifier
(Q111: RD07MVS1)
Antenna switching circuit
D131, D151: 1SV307
D152: MA77
AF mute
(IC281: TC4W66FU)
T5V regulator
(Q323: 2SA1588)
R5V regulator
(Q322: 2SA1588)
V5V regulator
(Q321: 2SA1588)
Pre-drive amplifier
(Q101: RD01MUS1)