TK-7150
17
2. Shift Register 1 : BU4094BCFV (TX-RX Unit IC702)

2-1. Pin Function

Pin No. Port Name
Name I/O Function
1
STROBE
STB1 I From CPU STB1 (Pin No.25)
2
SERIAL IN
DATA I
From CPU Common Data (Pin No.22)
3CLOCK CLK I
From CPU Common Clock (Pin No.23)
4Q1 MI2 O External Mic Mute
L : Mute, H : Unmute
5Q2DIOExternal Data Line Mute
L : Mute, H : Unmute
6Q3SPOFront SP/EXT SP Change
L : Front SP, H : External SP
7Q4 HRO
Horn Alert L : Relay off, H : Relay on
8VSS VSS GND
9QsQsONo Connect
10 Qs’ Qs’ O No Connect
11 Q8 AO4 O AUX Output No.4
H : AUX Out No.4 on, L : AUX Out No.4 off
12 Q7 AO3 O AUX Output No.3
H : AUX Out No.3 on, L : AUX Out No.3 off
13 Q6 AO2 O AUX Output No.2
H : AUX Out No.2 on, L : AUX Out No.2 off
14 Q5 AO1 O AUX Output No.1
H : AUX Out No.1 on, L : AUX Out No.1 off
15 OUTPUT SOE I From CPU SOE (Pin No.24)
ENABLE L → Inactive, H → Active
16 VDD VDD +5V
3. Shift Register 2 : BU4094BCFV (TX-RX Unit IC700)

3-1. Pin Function

Pin No. Port Name
Name I/O Function
1STROBE STB2 I From CPU STB1 (Pin No.21)
2
SERIAL IN
DATA I
From CPU Common Data (Pin No.22)
3CLOCK CLK I
From CPU Common Clock (Pin No.23)
4Q1 BC1 O Scrambler Code 1 (For SCR)
L : SCR Code1 off, H : SCR Code1 on
5Q2 BC2 O Scrambler Code 2 (For SCR)
L : SCR Code2 off, H : SCR Code2 on
6Q3 BC3 O Scrambler Code 3 (For SCR)
L : SCR Code3 off, H : SCR Code3 on
7Q4 BC4 O Scrambler Code 4 (For SCR)
L : SCR Code4 off, H : SCR Code4 on
8VSS VSS GND
Pin No. Port Name
Name I/O Function
9QsQsONo Connect
10 Qs’ Qs’ O No Connect
11 Q8 AC O Scrambler ON/OFF (For SCR)
L : Scrambler on, H : Scrambler off
12 Q7 BUSY O Channel Busy (For ANI)
L : Busy, H : Not Busy
13 Q6 EMG O Emergency ON/OFF (For ANI)
L : Emergency on, H : Emergency off
14 Q5 PTO O PTT Output (For ANI)
L : PTT on, H : PTT off
15 OUTPUT SOE GND
ENABLE
16 VDD VDD +5V
4. D/A Converter : M62364FP (TX-RX Unit IC718)

4-1. Pin Function

Pin No.
Name I/O Function
1Vin1 I AF Volume First IN
2Vout1 O AF Volume First OUT
3Vout2 O AF Volume Second OUT
4 Vin2 I AF Volume Second IN (From DAC Pin No.2)
5VDD +5V
6LDOFrom CPU LD(Pin No.18)
7CKOFrom CPU Common Clock (Pin No.23)
8DTOFrom CPU Common Data (Pin No.22)
9Vin3 I GND
10 Vout3 O Tune Varicap
11 Vout4 O Side Tone Out
12 Vin4 I Side Tone (From Option Board)
13 Vin5 I
14 Vout5 O Max Deviation
15 Vout6 O
16 Vin6 I DQT Balance
17 Do O Open
18 VDAref I
19 Reset I +5V
20 GND GND
21 Vin7 I +5V
22 Vout7 O Frequency Adjust
23 Vout8 O Auto Power Control
24 Vin8 I +5V
SEMICONDUCTOR DATA