Kenwood TK-6110, Service Manual

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18
TK-6110
• Terminal function
Pin No. Pin name I/O Action
1 FCLR O Modem FCLR
2 POF O Power off
3 LD O D/A converter CS (M62364FP)
4 MSKE O Modem MSK enable
5 MDAT O Modem Data/TX Data
6 MD1 I Model select 1
7 MD2 I Model select 2
8 NC
9 VDD – +5V
10 X2 – Ext. clock
11 X1 – Ext. clock
12 VSS – GND
13 XT2 – Open
14 XT1 – GND
15 RESET – CPU reset
16 SENSB I GE-STAR SENS B
17 TRD I Modem TRD
18 RTM I Modem RTM
19 STD I DTMF decoder STD
20 NC
21 PSW I Power SW detect
22 HK1 I MIC hook 1 (RXD1)
23 AVDD – +5V
24 AVREF0 – +5V
25 AUXGE I GE-STAR AUX
26 VOL I AF volume
27 TMP I Temperature
28 LSD IN I QT/DQT input
29 IGN I Ignition sense L : ON, H : OFF
30 UL I PLL unlock detect
31 SQL I SQL level
32 RSSI I RSSI level
33 AVSS – GND
34 LSDO O QT/DQT output
35 HSDO O DTMF/BEEP output
36 AVREF1 – +5V
37,38 NC
39 PDAT O PLL data
40 RXD1 I Serial interface RXD
41 PTT1/TXD1 I/O MIC PTT/ Serial interface TXD
42 MSTB O Modem STB
43 DCK O DTMF decoder clock
44 SD I DTMF SD
45 LCDCS O LCD CS
SEMICONDUCTOR DATA
Pin No. Pin name I/O Action
46 STB1 O Shift register 1 STB
47 STB2 O Shift register 2 STB
48~71 Cannot use. Flash ROM access port.
72 VSS – GND
73~74 Cannot use. Flash ROM access port.
75 Cannot use. Flash ROM (4Mbit)
access port.
76 Cannot use open
77~78 Cannot use. Flash ROM access port.
79 KEY I GE-STAR KEY
80 NC Cannot use open
81 VDD – +5V
82 SCL O EEPROM clock
83 SDA I/O EEPROM data
84 CLK O Common clock
85 DATA O Common data
86 CM I DTMF MIC key pad data
87 K1 I Key scan counter return 1
88 K2 I Key scan counter return 2
89 PCLK O PLL clock
90 KES O Key scan counter enable
91 2TON I 2-Tone
92 SOE O Shift register output enable
93 LE O PLL latch enable
94 TEST - GND
95 TCNT I GE-STAR TCONT
96 PTT2 I EXT PTT
97 HK2 I EXT hook
98 FSW I Foot SW
99 LD2 O D/A converter CS (M62354GP)
100 RDT I Modem RDT
Shift Register Output
• Shift Register 1 (TX-RX unit IC704)
Pin No. Port Name Action
4 Q1 8RBC 8RB control SW L : OFF, H : ON
5 Q2 8RC 8R control SW L : OFF, H : ON
6 Q3 8TBC 8TB control SW L : OFF, H : ON
7 Q4 8TC 8R control SW L : OFF, H : ON
14 Q5 – Reserved
13 Q6 – Not used
12 Q7 – Reserved
11 Q8 NBS NB control SW L : OFF, H : ON
Microprocessor : 784214GC0618EU (TX-RX Unit IC604)