Dsp Unit (Ic-F70Dt/Ds Only); Vr Board - Icom IC-F70DT Service Manual

9-5 DSP UNIT (IC-F70DT/DS only)

• TOP VIEW
J1
16 SCK RXD 15
SI TXD
SO RTS
CIRQ AGND
CCS DFIL
FLASH_RXD MD2
AFOUT CPU_VDD
FLASH_TXD CTS
RMUT TEMP
3.3V BUSY
AFON RSSI
MMUT MIC
VCC QOUT
+5V PTTO
GND PTTI 1
30
to MAIN unit J2
• BOTTOM VIEW (DSP UNIT)
50
11 10
51
20 1
8 5
1 4
75
76
1 16
8 9
9 - 5

9-6 VR BOARD

ROTARY
SELECTOR
S1
R1
VOLUME
V55 CONTROL
DS1
V50
5V AFVI
SW1_B
26
GND
SW2_B SW2_A
POWER
25 V45
_SW
SW3_A
LED GND
V40
V35
TEST
V30
V25
V20
1
100
V15
V10
to FRONT
V5
unit J2
V0
H0 H5 H10 H15
GND
H20 H25 H30 H35 H40 H45 H50 H55 H60
AFO
VCC
DETECT
MICE
RESET
XRXD
XTXD
MIC
PTT
H65 H70 H75