Kenwood TS-590SG, Service Manual

Page: 32 / 155

TS-590SG
32
Pin No. Pin name Port name Function Active level Condition
12 Q7 CI (7) 150p capacitor switching H
Phase difference correction C7
On: Active, Off: Inactive
11 Q8 CI (8) 300p capacitor switching H
Phase difference correction C8
On: Active, Off: Inactive
IC9: TC74HC4094AFF (Shift register) Enable: FEN1
4 Q1 L (2) 28M coil H 25.50
≤
f
<
30.0 (MHz)
5 Q2 L (3) 24.9M coil H 21.50
≤
f
<
25.50 (MHz)
6 Q3 L (4) 18M/21M coil H 14.50
≤
f
<
21.50 (MHz)
7 Q4 L (5) 14M coil H 10.50
≤
f
<
14.50 (MHz)
14 Q5 L (6) 10M coil H 7.50
≤
f
<
10.50 (MHz)
13 Q6 L (7) 7M coil H 6.90
≤
f
<
7.50 (MHz)
12 Q7 L (8) 5M coil H 4.50
≤
f
<
6.90 (MHz)
11 Q8 L (9) 3.5M coil H 2.50
≤
f
<
4.50 (MHz)
IC10: TC74HC4094AFF (Shift register) Enable: FEN2
4 Q1 CO(1) 2.5p capacitor switching H
Amplitude difference correction C1
On: Active, Off: Inactive
5 Q2 CO(2) 5p capacitor switching H
Amplitude difference correction C2
On: Active, Off: Inactive
6 Q3 CO(3) 10p capacitor switching H
Amplitude difference correction C3
On: Active, Off: Inactive
7 Q4 CO(4) 18p capacitor switching H
Amplitude difference correction C4
On: Active, Off: Inactive
14 Q5 CO(5) 39p capacitor switching H
Amplitude difference correction C5
On: Active, Off: Inactive
13 Q6 CO(6) 75p capacitor switching H
Amplitude difference correction C6
On: Active, Off: Inactive
12 Q7 CO(7) 150p capacitor switching H
Amplitude difference correction C7
On: Active, Off: Inactive
11 Q8 CO(8) 300p capacitor switching H
Amplitude difference correction C8
On: Active, Off: Inactive
n
Control (Local) unit (XC1-021 B/3)
Pin No. Pin name Port name Function Active level Condition
IC651: TC74HC4094AFF (Shift register) Enable: EN1
4 Q1 L_IOUP AD9951(DDS) data update
5 Q2 TXFM FM modulation switch L
6 Q3 IFB IF11M selection L When the RX-1 is selected, it becomes active.
7 Q4 IFA IF73M selection L When the RX-2 is selected, it becomes active.
14 Q5 BPF1 LO1 fi lter selection L RX-1: 1.705
≤
f
<
2.1 (MHz), RX-2: 0.03
≤
f
<
10 (MHz)
13 Q6 BPF2 LO1 fi lter selection L RX-1: 3.4
≤
f
<
4.1 (MHz), RX-2: 10
≤
f
<
16 (MHz)
12 Q7 BPF3 LO1 fi lter selection L RX-1: 6.9
≤
f
<
7.5 (MHz), RX-2: 16
≤
f
<
30 (MHz)
11 Q8 BPF4 LO1 fi lter selection L RX-1: 13.9
≤
f
<
21.5 (MHz), RX-2: 30
≤
f
<
60 (MHz)
n
TX-RX unit (XC1-024 A/2)
Pin No. Pin name Port name Function Active level Condition
IC11: TC74HC4094AFF (Shift register) Enable: IEN2
4 Q1 FIL[1] IF fi lter 15kHz H IF: 10.695MHz
5 Q2 FIL[2] IF fi lter 6kHz H IF: 10.695MHz
6 Q3 FIL[3] IF fi lter 2.7kHz H/L 1st IF 10.695MHz: H, 11.374MHz: L
SEMICONDUCTOR DATA