Components Description; Display Unit (X54-3760-Xx); Tx-Rx Unit (X57-8050-Xx) - Kenwood NX-320 Series Service Manual

NX-320

Display unit (X54-3760-XX)

Ref. No. Part Name
IC1 IC
IC2 IC
IC4 IC
IC6 IC
IC8 IC
Q1 Transistor
Q2 FET
Q3 Transistor
Q4,5 Transistor
Q6 Transistor
Q7 Transistor
Q8 Transistor
D1 LED
D2 Diode
D3,4 Diode
D7~14 LED
D15,16 Diode
D18,19 LED

TX-RX unit (X57-8050-XX)

Ref. No. Part Name
IC101 IC
IC201 IC
IC302 IC
IC304 IC
IC402 IC
IC403 IC
IC404 IC
IC501 IC
IC502 IC
IC503 IC
IC504 IC
IC505 IC
IC506 IC
IC507 IC
IC509 IC
IC601 IC
IC603 IC
IC605 IC
IC607 IC
18

COMPONENTS DESCRIPTION

Description
ASQ BPF
AF LPF/MIC amplifi er
D/A converter
VCO MOD/VREF
LCD driver
TX/BUSY LED switch
SQL noise BW switch
SQL noise amplifi er
MIC AGC
KEY backlight switch
KEY backlight switch control
LCD backlight switch
TX/BUSY LED
Noise detector
AGC detector
KEY backlight
KEY control
LCD backlight
Description
OP AMP (APC)
DC amplifi er (BPF)
FM system
DC amplifi er (RSSI/ASQL)
DC amplifi er (Assist)
PLL system
DC amplifi er (CV/APC)
Voltage regulator (33A)
Voltage regulator (33M)
DC/DC converter (15M)
Voltage regulator (50C)
Voltage regulator (33C)
DC/DC converter (38M)
Voltage detector (BATT)
DC/DC converter (100C)
Flash memory
DSP
SRAM
Voltage detector (Reset)
Ref. No. Part Name
IC609 IC
IC610 IC
IC611,612 IC
IC613 IC
IC901 IC
IC902 IC
IC904 IC
Q102 Transistor
Q103 FET
Q104 FET
Q105~109 Transistor
Q110 FET
Q201 FET
Q202 FET
Q301 Transistor
Q303 Transistor
Q401 FET
Q402 FET
Q403 Transistor
Q405 Transistor
Q406,407 FET
Q408 Transistor
Q501 FET
Q502 FET
Q503 Transistor
Q505 Transistor
Q506,507 FET
Q509 Transistor
Q510 Transistor
Q511 Transistor
Q512 FET
Q602 FET
Q901 Transistor
Q902 Transistor
Q903 Transistor
Q904,905 FET
Q906 Transistor
Q907 FET
D101 Zener diode
D102,103 Diode
D105,106 Diode
Description
Buffer (Clock)
ASIC
AND gate (2 input)
Motion sensor
AF power amplifi er
Voltage regulator (50V)
OP AMP (Beep/voice/RX AF)
Pre-drive amplifi er
Drive amplifi er
RF fi nal amplifi er
APC switch
PD switch
1st mixer
RF AMP (RX)
Tripler (2nd local)
IF amplifi er
RX VCO
TX VCO
Ripple fi lter
Buffer amplifi er
T/R VCO switch
Buffer amplifi er
DC switch (SB2)
DC switch control (SB2)
DC switch (50R)
DC switch (50T)
Level converter
DC/DC control (100C)
DC/DC control (38M)
DC switch control (50T)
DC switch (50CS)
DC switch (System)
DC switch (AF mute)
DC switch (AF PA amplifi er)
DC switch (AF mute)
AF power mute
EXT/MIC switch
Level converter
APC protect
Antenna switch
Antenna switch