Icom IC-7800 Service Manual page 155

• BOTTOM VIEW (DSP-TX BOARDS)
B5971E
J921 C345
C341
C871
C805
C873
C807
R834
R805
C835
C837
TX
C921
J921
1 AFIN ANVOX 2
GND GND
TX36K GND
GND GND
+A5VT +A5VT
GND GND
-12V -12V
GND GND
+D5VT +D5VT
GND GND
+15V +15V 22
11
to the MAIN unit J380
DSP-TX
R903
C453
C407
R452
C4 C37
C415
R606
C416
R706
R1
R3
C606
C706
C603
C703
R607 C24 C23
R905 C151
R551
C29 C58 C101
C26
C152 R152
X151
J961
C36 C35 C39 C3
C10
C48
C13
C15
C50
C18
C961
L3
C25
C56
C57
C102
J961
1 GND1T GND1T
GND1T MCLK
DRES DSPCK
DSKY DSPR
CTFL DFRT
DAVOX DSPCK
CVOX DX1T
FRWT DFXT
GND1T GND1T
D3R3V D3R3V
GND1T GND1T
D1R2V_T D1R2V_T
D1R2V_SENS_T D1R2V_T
GND1T GND1T
29 GND1T GND1T
to the MAIN unit J381
2
30
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