Kenwood NX-3720HG Service Manual page 129

4.34 Common Section
Item Condition
Panel tuning
mode
1. 1) DC voltage:13.2V
Setting 2) SSG standard modulation
[Wide 5k] MOD:1kHz,DEV:3kHz
[Wide 4k] MOD:1kHz,DEV:2.4kHz
[Narrow] MOD:1kHz,DEV:1.5kHz
2.LCD 1) Adj item 1) Adj item
Contrast [CNTR]
Adjust:[****]
Press [ ]
button to
store the
adjustment
value.
3. 1) Adj item: 1) Adj item:
VCO [AST]
Assist Adjust:[****] 2) Adj item:
2) Adj item:
[L1]→
[L2]→
[L3]→
[L4]→
[L5]→
[L6]→
[C1]→
[C2]→
[C3]→
[C4]→
[C5]→
[H1]→
[H2]→
[H3]→
[H4]→
[H5]→
[H6]
Adjust:[****]
Press [ ]
button to
store the
adjustment
value.
Measurement
PC test mode Test-
equipment
[LCD Contrast]
Data: [****]
Press [Apply]
button to store the
adjustment value.
[VCO Assist]
[Low1],[Low2],
[Low3],[Low4],
[Low5], [Low6]
[Center1],
[Center2],
[Center3],
[Center4],
[Center5],
[High1],[High2]
[High3],[High4],
[High5][High6]
Press [Apply]
button to store the
adjustment value.
Adjustment
Unit Terminal Unit Parts
Panel [Panel
tuning
mode]
[],
[]
[PC
test
mode]
[+], [-]
Panel [Panel
tuning
mode]
[],
[]
[PC
test
mode]
[+], [-]
Specifications
/Remarks
Method
Write the value as
followings.
280 (Reference value)
[PC test mode] 2.5V±0.1V
[Automatic [Automatic
Adjustment] Adjustment]
1) Press [Autotune] After the
button. automatic
2) Press [Apply] button adjustment is
to store the adjustment performed,
value after the verify that the
automatic adjustment VCO lock
has finished. voltage is within
[Manual Adjustment] the voltage
[V] Indicator on the PC range which is
window shows VCO specified by the
lock voltage. Change manual
the adjustment value adjustment.
to get VCO lock [Manual
voltage within the limit Adjustment]
of the specified Press [Apply]
voltage. button to store
the adjustment
Note:
value after all
Confirm the VCO
adjustment
lock voltage
points have
approximately 3
been adjusted.
seconds after the
Adjustment
adjustment value is
value range:
changed.
500 - 1950
(No.RA054<Rev.001>)1-129