CIRCUIT DESCRIPTION
TX-RX unit
F1
+B
2.5A
F2
1.0A
VOL/SW
IC506
38M
IC504
50C
Q501
SB2
CN2
Display unit
CN5
Fig. 7 Power supply circuit
Q902
SW
IC902
50V
IC507
5.6V Det
IC501
33A
IC502
33M
IC503
15M
IC505
33C
IC509
100C
Q505
50T
Q503
50R
Q512
50CS
Ripple
filter
Final AMP, APC
AFPA
2-pin Jack
/PSW
/BINT
ASIC
IC610
DSP, FLASH, SRAM
DSP
PLL, TCXO
ASSIST
TX circuit
RX circuit
PLL, fin
VCO
AF circuit
AF circuit, DAC
IC8
LCD driver
SQL circuit
LED
NX-220
17