Block Diagram - Yaesu FT-902DM Instruction Manual

USB. TX RX} CW(RX} 8989kHz
USB: TX RX) FSK(RX) 8986kHz SSB- CW-FSK
CW, AM.FSKi TX 8988.2kH
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2SKI9GR 2SCIBISY
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ANTI TRIP DC AMP j
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2SCIBISY 2SA564A _ 4
160m 10.4875 ~10.9875MHz |
80m 12.4875~12.9875MH2
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KEYING
Q2702
40m 15.9875~16 .4875MHz vco AMP BUFF 2SA639} | {2SCiSISY
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30m 18.9875~I9.4875MHe
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20m 22,9875~234875MHz
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17m 26.9875~27.4875MH2z aizio
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15m 29.9875~30.4875MH2 15 AGCAMP SURE
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12m 33.4875~33.9875MH7 2SKI98L pees DI ESCRIBCR S |
OOkHz
10mA,8 36.9875°37.9875MiH_
25ciBi5y 2SCBI5Y
| !OmC,0 37.9875~389875 MHz
BIAS CONT
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: | ISIOO? x2 3SK40M 3SK40L 2SCIBISY 2SKI9GR
; \ L FILTER FM LF AM LIM AMP DISC AF AMP
i re cF901g90g ""} 9903 9904 1D902.903 e308 Ae - _—— 1 —~ ~ - = =
eScigisy TA7O6IAP SSi8BFM | 2SCiBISY
160m 15 9875MHz
80m —17.9875MHz
3SC 40m 2).4875MHz
QiBo
Q8ol
30m = 24.4875MHz Ca
TA7089M ; 28C372Y 20m = 28.4875MHz |
17m —32.4875MHe
15m 35,4875MHz
i2m 38.9875MHz
1OmA 424875MHz
10mB 42.9875MHz
1OmC 434875MHz
iOMD 43.9875MHz
APF OFF SIDE TONE
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AF AMP AF AMP 1) A AF AMP |
Q5C! aso2 9504 2505: bY
j fescrzatm, = esc732TM, — [Mc3403° 25C732TM
MEMORY UNIT 4
TAT2OSAl ————— _ TRANSMIT 02801 ~ 02834 —
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a —~- —-— CONTROL
BLOCK DIAGRAM