Semiconductor Data - Kenwood TK-3230 Service Manual

TK-3230
MCU: D338327A19WV (TX-RX unit IC403)
■ Terminal Function
Pin No. Signal Name
1 SP DET
2 AVSS
3 X1
4 X2
5 VSS
6 OSC2
7 OSC1
8 TEST
9 RESET
10 SCLK
11 POW CON
12 BEEP
13 DIR
14 SDATA
15 TDATA
16 TCLK
17 RDF
18 TO
19 PWM IN
20 BOOT
21 SAVE
22 3RC
23 3TC
24 GLED
25 RLED
26 CVCC
27 VSS
28~31 V3~V0
32 VCC
33 BACK LT
34~36 COM3~COM1
37 PTT
38 UP
39 DOWN
40 MONI
41 MENU
10

SEMICONDUCTOR DATA

I/O Function
I Head set detect
- GND
-
-
- GND
- X'tal (7.3728MHz)
- X'tal (7.3728MHz)
I
- Reset
O Serial clock
O Auto power control
O Beep output
O DIR to IC300
I/O Serial data
O MSK TX data
I TCLK from IC300
I RDF/FD
O QT/DQT output
I PWM data input
I BOOT/USER input
O Battery save
O 3R control
O 3T control
O Green LED
O Red LED
- +3V (Power supply)
- GND
-
O +3V (Power supply)
O Back light
-
I
I
I
I
I
Pin No. Signal Name I/O
42 CALL
43 EEPDATA I/O EEPROM data
44 EEPCLK O
45 MIC MUTE O
46 SHIFT O
47 PDATA O
48 PCLK O
49 PEN O
50 3MSC O
51 PABC O
52 SP AMP O
53~68 SEG
69 WIDE O
70 RXD
71 TXD O
72 BATT L
73 AVCC
74 THP
75 RSSI
76 BUSY
77 TI
78 BATT
79 VOX
80 UL
FET: 2SK3656-F (TX-RX unit Q103)
■ Absolute Maximum Rating (Ta=25°C)
Item V V I
DSS GSS D
Rating 7.5V 3.5V 0.5A
FET: RQA0002DNS (TX-RX unit Q104)
■ Absolute Maximum Rating (Ta=25°C)
Item V V I
DSS GSS D
Rating 16V ±5V 3.8A
Function
I
EEPROM clock
MIC mute
Beat shift
Serial data
Serial clock
PLL IC chip select
IC300 power supply
Final switch
AF AMP on/off
- LCD
Wide/Narrow
I RXD
TXD
I Battery low
- +3V (AD power supply)
I TX thermal input
I RSSI input
I Squelch input
I QT/DQT input
I Battery voltage
I VOX level
I PLL unlock detect
P Tch Tstg
D
1W
150°C –45~+150°C
Tc=25°C
Pch Tch Tstg
15W
150°C –55~+150°C
Tc=25°C