Components Description - Kenwood TK-8360 Service Manual

Pin No. Name I/O
85 MIC1MUTE O Internal mic mute control
86 MIC2MUTE O External mic mute control
87 HSDI I No use
88 LSDI I Low speed data input: QT/DQT/(LTR)
89 TEMP2 I Temperature 2 data input
90 TEMP1 I Temperature 1 data input
91 BATT I Battery voltage input
92 RSSI I RSSI input
Display unit (X54-3740-20)
Ref. No. Part Name
IC1 IC
Q2 Transistor
Q3 Transistor
Q4 Transistor
Q5 Transistor
Q6 Transistor
Q7 Transistor
Q8 Transistor
Q9 Transistor
Q10 Transistor
D1 Zener diode
D2 Diode
D5~9 LED
D10 Diode
D11~21 LED
D22 LED
D23 LED
D24 LED
TENTATIVE
SEMICONDUCTOR DATA
Function

COMPONENTS DESCRIPTION

Description
LCD driver
Indication LED (BLUE) switch
TX LED switch control
TX LED switch
BUSY LED switch
BUSY LED switch control
KEY backlight switch
KEY backlight switch control
LCD backlight switch control
LCD backlight switch
Surge protection
Voltage protection
KEY backlight
Voltage protection
LCD backlight
Indication (BLUE)
TX/BUSY indication
LCD backlight
TK-8360/8360H/8360H
Pin No. Name I/O
93 SQIN I Squelch input
94 AVSS - GND
95 CV I VCO lock voltage detect
96 VREF - +5V
97 AVCC - +5V
98 NARROW O Wide/Narrow control (Hi: Narrow)
99 WIDE O Wide/Narrow control (Hi: Wide)
100 HORN O Horn alert switch control
TX-RX unit (X57-8020-XX)
Ref. No. Part Name
IC1 IC
IC2 IC
IC3 IC
IC300 IC
IC301 IC
IC400 IC
IC401 IC
IC402 IC
IC403 IC
IC404 IC
IC500 IC
IC501 IC
IC700 IC
IC701 IC
IC702 IC
IC703 IC
IC704 IC
IC705 IC
Function
Description
DC AMP (frequency)
PLL IC
Assist fi lter
Power module
DC AMP (APC)
Voltage regulator (9V)
Voltage regulator (3.3V)
Voltage regulator (5V)
Voltage detection (INT)
Voltage detection (reset)
FM SYSTEM IC
RX BPF/ APC DC AMP
RS-232C driver
MIC MOD AMP
Baseband IC
Voltage regulator (3.3V)
MCU
EEPROM
U
( )
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