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Kenwood TK-7185 Service Manual Addendum page 19

Vhf fm transceiver 5 tone version
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Common Section
Item
Condition
1. Setting
1) Power supply voltage
DC power supply terminal
: 13.2V
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: 3-1
• RX
2) CH-Sig: 2-1
• TX
[Panel tuning mode] LPWR*
3) CH-Sig: 3-1
PTT: ON
4) CH-Sig: 2-1
PTT: ON
* TX can be continued on unlock condition in panel tuning mode.
Transmitter Section (E market model skips adjustment of LTR deviation)
Item
Condition
1. Frequency
1) Adj item: [FREQ]
adjust
Adjust: [✳✳✳]
PTT: ON
2. Frequency
1) Adj item: [SHFT1]
shift 1 adjust
Adjust: [✳✳✳]
2) Adj item: [L SHFT1] →
[C SHFT1] → [H SHFT1]
Adjust: [✳✳✳]
PTT: ON
3. Frequency
1) Adj item: [SHFT2]
shift 2 adjust
Adjust: [✳✳✳]
2) Adj item: [L SHFT2] →
[C SHFT2] → [H SHFT2]
Adjust: [✳✳✳]
PTT: ON
4. Max high
1) Adj item: [MHPWR]
power
Adjust: [✳✳✳]
adjust
2) Adj item: [L MHPWR] →
[L' MHPWR] → [C MHPWR]
→ [H' MHPWR]
→ [H MHPWR]
Adjust: [✳✳✳]
PTT: ON
ADJUSTMENT
Measurement
Test-
Unit
Terminal
Unit
equipment
Power
Rear
ANT
TX-RX
meter
panel
(B/3)
DVM
TX-RX
CV
(B/3)
TX-RX
(B/3)
Measurement
Test-
Unit
Terminal
Unit
equipment
f. counter Rear
ANT
Front
panel
panel
Power
meter
TK-7185
Adjustment
Parts
Method
TC301 8.0V
±0.1V
Check
1.9V±0.5V
TC302 8.0V
±0.1V
Check
1.2V±0.5V
Adjustment
Parts
Method
[ ],[ ] Center frequency
Note: After replacing the
±50Hz
VCXO (X301) align frequency.
[L SHFT1]
±50Hz
Low frequency+1.25kHz
[C SHFT1]
Center frequency+1.25kHz
[H SHFT1]
High frequency+1.25kHz
[L SHFT2]
±50Hz
Low frequency+2.5kHz
[C SHFT2]
Center frequency+2.5kHz
[H SHFT2]
High frequency+2.5kHz
28W
±3W
CAUTION!
Do not attempt to adjust the
transceiver's transmit output
power beyond its specifi ca-
tions.
If the transceiver is adjusted
beyond the specifi cations, it
may cause deterioration of
the parts reliability and the
output power may be lowered
suddenly and unstable.
The transceiver may be also
extremely hot.
Specifi cations / Remarks
Specifi cations / Remarks
19

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