Components Description - Kenwood TK-2180 Service Manual

TK-2180
SEMICONDUCTOR DATA / COMPONENTS DESCRIPTION
Pin No. Port Name
98 TCLK/DTRDO
99 SAVE
100 T/R
101 AM1
102 LCDRS
103 SSW
104~111 D7~D0
112 DT
113 CK
114 W/N
115~119 OPT 1~OPT 5
120 BATTSEL/VOX
121 THP/VCO ADJ
122 VOL
123 PF
124 ASQ
125 RSSI
126 BATT LVL
127 AGND
128 LSDIN
Key Processor
: BU2099FV (Display unit IC500)
Pin No. Port Name
1 Vss
2 NC
3 DATA
4 CLK
5 LCK
6 Q0
7~15 Q1~Q9
16 Q10
17 Q11
18 SO
19 OE
20 VDD
14
I/O Function
I BB TCLK and DTRDO
O Save
O TX/RX switch
O AF PA switch
O LCDRS
I EXT/INT SP switch input
I/O Data bus 7~0
O Serial data
O Serial clock
O Wide/Narrow switch
I/O Option boad I/F 1~5
I BATT select and VOX input
I Thermal detect and VCO adjust
I Volume level input
I PF key in
I RX Analog SQ. input
I RX RSSI input
I BATT level
- DGND (Vss)
I Low speed data input
I/O Function
- GND
-
I Serial data input
I Serial clock input
I Storage enable input
O LCD back light control
O Key matrix output
O NC
O NC
O NC
I /LCDRST
I 5V
Display unit (X54-3470-11)
Ref. No. Part name
IC500 IC
IC501 IC
IC502,503 IC
Q501,502 Transistor
Q504 FET
Q505 FET
D500 Diode
D501,502 LED
D511~520 LED
D522 Diode
TX-RX unit (X57-6932-71)
Ref. No. Part name
IC1 IC
IC100 IC
IC200 IC
IC400 IC
IC401~403 IC
IC404 IC
IC405 IC
IC406 IC
IC500 IC
IC502 IC
IC503 IC
IC504 IC
IC505 IC
IC600 IC
IC601 IC
IC602 IC
IC603 IC
IC604 IC
IC605 IC
IC606 IC
IC607 IC
IC608 IC
IC609 IC
Q1 Transistor
Q2 Transistor
Q6 FET
Q7 FET
Q8 FET
Q9 FET
Q10 Transistor
Q11 Transistor
Description
Key processor
Voltage regulator / LCD
LCD control
Back light control
LCD reset
Contrast control
Contrast control
Key back light
Key back light
Key control
Description
PLL system
Comparator (APC)
FM IF system
Voltage detector / INT
Voltage regulator / 5V
5T control
Voltage detector / Reset
Voltage regulator / 5V
Flash memory
Microprocessor
RTC processor
EEPROM
Selector
AF buffer
LSD LPF / V REF
LSD buffer to TCXO
Tune
HSD BPF / HSD COMP
D/A converter
AF switch
AQUA-L
MIC AMP / VOX
AF power AMP
Fin filter shift switch
PLL IC f_in AMP
VCO / RX
VCO / TX
DC switch / TX VCO
DC switch / RX VCO
RF buffer AMP
Ripple filter