Kenwood TS-590S Service Manual page 25

Ref. No. Use / Function Operation / Condition / Compatibility
Reverse current
D13 External standby
prevention
D14 Surge protection ACC2 connector (5-pin SQC)
D15 Surge protection ACC2 connector (9-pin PKS)
Reverse current
D17
prevention
D18 Surge absorption Relay (K11)
Reverse current
D20~23 Paddle/key control line
prevention
D24 Surge protection ACC2 connector (2-pin RTTY)
D101 Surge absorption External RX antenna terminal
D102 Surge absorption Relay (K101)
D103 Surge absorption Relay (K102)
D104~107 Surge absorption Internal circuit protection
RX/TX changeover, ON during
D108 Switching
reception
ON when receiving over
D109,110 Switching
1.705MHz is selected
ON when BPF of 522kHz~
D131 Switching
1.705MHz is selected
ON when BPF of 13.9~14.5MHz
D132 Switching
is selected
ON when BPF of 49~54MHz is
D133 Switching
selected (TX only)
ON when BPF of 6.9~7.5MHz is
D134 Switching
selected
ON when BPF of 30~522kHz is
D135 Switching
selected
ON when BPF of 1.705~2.5MHz
D136 Switching
is selected
ON when BPF of 2.5~4.1MHz is
D137 Switching
selected
ON when BPF of 4.1~6.9MHz is
D138 Switching
selected
ON when BPF of 7.5~10.5MHz is
D139 Switching
selected
ON when BPF of 10.5~13.9MHz
D140 Switching
is selected
ON when BPF of 14.5~21.5MHz
D141 Switching
is selected
ON when BPF of 21.5~30MHz is
D142 Switching
selected
ON when BPF of 30~60MHz are
D143 Switching
selected
ON when BPF of 522kHz~
D144 Switching
1.705MHz is selected
ON when BPF of 30~522kHz is
D145 Switching
selected
ON when BPF of 1.705~2.5MHz
D146 Switching
is selected
ON when BPF of 2.5~4.1MHz is
D147 Switching
selected
COMPONENTS DESCRIPTION
Ref. No. Use / Function Operation / Condition / Compatibility
D148 Switching
D149 Switching
D150 Switching
D151 Switching
D152 Switching
D153 Switching
D154 Switching
D155 Switching
D156 Switching
D231 Switching
D232 Switching
D233 Switching
D234 Switching
Reverse current
D235
prevention
D261,281 Switching
D321 Switching
D323 Switching
D351 Switching
D371 Switching
D421 Switching
D422,423 RX/TX Mixer
D431 Switching
D441 Switching
TS-590S
ON when BPF of 4.1~6.9MHz is
selected
ON when BPF of 6.9~7.5MHz is
selected
ON when BPF of 7.5~10.5MHz is
selected
ON when BPF of 10.5~13.9MHz
is selected
ON when BPF of 14.5~21.5MHz
is selected
ON when BPF of 21.5~30MHz is
selected
ON when BPF of 30~60MHz are
selected
ON when BPF of 13.9~14.5MHz
is selected
ON when BPF of 49~54MHz is
selected (TX only)
ON when receiving preamplifi er
is OFF
ON when receiving preamplifi er
is ON
ON when receiving preamplifi er
is OFF
ON when receiving preamplifi er
is ON
1/2: Receiving ON at 21.5~30MHz
2/2: Receiving ON at 30~60MHz
ON when RX 1st IF of 11.374MHz
is selected
ON when RX 1st IF of 73.095MHz
is selected
1/2: RX/TX changeover, ON during
reception
2/2: RX/TX changeover, ON during
transmission
ON when RX 1st IF of 73.095MHz
is selected
1/2: RX/TX changeover, ON during
transmission
2/2: RX/TX changeover, ON during
reception
1/2: RX/TX changeover, ON during
reception
2/2: RX/TX changeover, ON during
transmission
Receiving 2nd/ Transmission
mixer (RX: 73.095MHz →
10.695MHz, TX: 10.695MHz →
73.095MHz)
1/2: RX/TX changeover, ON during
transmission
2/2: RX/TX changeover, ON during
reception
ON when RX 1st IF of 11.374MHz
is selected
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