Kenwood TK-5210G Service Manual page 55

Item
Panel tuning mode
Receive 1) Adj item: [RX As-
Assist sist]
Voltage Adjust: [ *** ]
2) Adj item: [L] → [LC]
→ [C] → [CH] → [H]
Adjust: [ *** ]
Press [B] key to
store the adjust-
ment value.
5. Frequency [Panel test mode]
Adjust- 1) CH-Sig: 1-1
ment *1 [Panel tuning mode]
1) Adj item: [Frequen-
cy]
Adjust: [ *** ]
PTT: ON
Press [B] key to
store the adjust-
ment value after
adjustment.
6. 2nd Local [Panel test mode]
1) Adjust item: [2nd
Lo Freq]
Adjust: [ *** ]
Press [B] key to
store the adjust-
ment value.
*1: The reference oscillator frequency may drift due to shock
ment be checked each time the radio is serviced, or at least once per year. Maintenance should only be performed normal temperatures.
ADJUSTMENT
Condition
PC test mode
equipment
[Manual Adjustment] Power
1) Adj item: [Receive meter
Assist Voltage] DVM
2) Adj item: [Frequen-
cy]
[Low] → [Low'] →
[Center] → [High']
→ [High]
Press [OK] button
to store the adjust-
ment value.
1) Adj item: [Frequen- f. counter Panel
cy Adjustment ]
PTT: Press [Trans-
mit] button.
Press [OK] button
to store the adjust-
ment value.
1) Adj item: [2nd Lo-
cal]
Press [OK] button
to store the adjust-
ment value.
(jarring the radio) or operating conditions. We recommend that the Frequency adjust-
Measurement
Test-
Unit Terminal Unit
Panel ANT Panel
TX/RX CV
(A/4)
ANT Panel
Panel ANT Panel
TK-5210
Adjustment
Specifi cations /
Parts Method
[Panel [Automatic Adjustment] 2.01V±0.1V (CV)
tuning 1) Press [Tune As-
mode] sist Voltage (Auto)] [PC test mode]
[C],[D] button. [Manual Adjustment]
2) [Assist Voltage When adjusting
[PC Result] window the assist voltage
test shows result of in PC tuning mode,
mode] assist voltage slide the bar to
[ ],[ ] after the automatic indicate "VCO Lock
adjustment was Voltage" within
fi nished. 2.0V±0.1V on Me-
*This mode adjust ter window.
[TX], [RX] Assist
voltage at once.
[Manual Adjustment]
Adjustment]
The display on the
left of LCD and [V]
indicator on the
PC window shows
VCO lock voltage.
Change the adjust-
ment value to get
VCO lock voltage
within the limit of
the specifi ed volt-
age.
[Panel 154.999970~ fc±30Hz
tuning 155.000030MHz
mode] Note:
[C],[D] After replacing the
VCXO (X301) align
[PC frequency.
test
mode]
[ ],[ ]
[Panel Write the value as
tuning followings.
mode] 98 (Fixed value)
[C],[D]
[PC
test
mode]
[ ],[ ]
( G )
Remarks
55