Common Section - Kenwood TK-260G Service Manual
Kenwood two-way radio - two way radio user manual
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Also See for TK-260G:
- Service manual (50 pages) ,
- Instruction manual (22 pages) ,
- Service manual (4 pages)
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TK-260G/270G
Since the TK-260G cannot be tuned from the panel, the FPU (KPG-56D) should be used for adjustment.
Adjust the receive BPF waveform according to the appropriate adjustment item.
Common Section
Item
Condition
1. Setting
1) BATT terminal voltage:7.5V
2) SSG Standard modulation
[Wide] MOD:1kHz, DEV:3kHz
[Narrow] MOD:1kHz, DEV:1.5kHz
2. VCO lock
[Panel Test Mode]
voltage
1) CH-Sig:2-1
RX
2) CH-Sig:3-1
TX
3) CH-Sig:2-1
PTT:ON
4) CH-Sig:3-1
PTT:ON
Transmitter Section
Item
Condition
1. Frequency
1) PTT:ON
Adjust
2. Max Power 1) Adj item [HPOW]
Check
Adjust [256]
2) Adj item
.
[H
P O W]
Adjust [256]
PTT:ON
3. Hight Power 1) Adj item [HPOW]
Adjust
Adjust [
2) Adj item
.
[H
P O W]
Adjust [
PTT:ON
4. Hight Power [Panel Test Mode]
Check
1) CH-Sig:1-1
PTT:ON
2) CH-Sig:2-1
PTT:ON
3) CH-Sig:3-1
PTT:ON
5. Low Power 1) Adj item [LPOW]
Adjust
Adjust [
2) Adj item
.
[L
P O W]
Adjust [
PTT:ON
6. Low Power [Panel Test Mode]
Check
1) CH-Sig:1-1
Set low power (Push [2])
PTT:ON
2) CH-Sig:2-1
PTT:ON
3) CH-Sig:3-1
36
PTT:ON
ADJUSTMENT
Measurement
Test equipment
Power meter
DVM
Measurement
Test equipment
Freq. Counter
Power meter
Am meter
.
.
.
.
.
[H
P
O W]
[H
P
O
W]
[H
]
.
.
.
.
.
[H
P
O W]
[H
P
O
W]
[H
]
]
.
.
.
.
.
[L
P
O W]
[L
P
O
W]
[L
]
Terminal
ANT
CV(LV)
Terminal
ANT
VR1
.
.
.
.
.
.
. .
P
O
W]
[H
P
O
W
]
Encoder
knob
.
.
.
.
.
.
. .
P
O
W]
[H
P
O
W
]
Encoder
knob
.
.
.
.
.
.
.
. .
P
O
W
]
[L
P
O
W
]
Adjustment
Parts
Method
Check
0.8V or more
4.0V
0.8V or more
3.5V
Adjustment
Parts
Method
Center frequency
(162.0 MHz)
50Hz
Check
5.2W or more
5.0W
2.2A or less
Check
4.0~6.0W
2.3A or less
1.0W
1.0A or less
Check
0.5~1.5W
1.2A or less
Specifications/
Remark
0.1V
0.1V
Specifications/
Remark
0.1W
0.1W
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