Kenwood KCH-16 Service Manual page 47

TK-5810/5810H Common Section
Item Condition
1. Setting 1) Connect the KCH-16 Hand-
held control head to the
TK-5810(B)/5810H(B) trans-
ceiver via the KRK-11 Inter-
face box and KRK-11 Panel
assembly.
2) Power supply voltage
•TK-5810(B)
Power input connector: 13.6V
•TK-5810H(B)
Power input connector: 13.4V
3) SSG standard modulation
[Wide] MOD: 1kHz, DEV: 3kHz
[Narrow] MOD: 1kHz, DEV: 1.5kHz
2. Assist [Panel tuning mode]
voltage 1) Adj item: [VATX]
• TX Adjust: [ *** ]
2) Adj item: [LLL VATX]→
[LL VATX]→[L VATX]→
[C VATX]→[H VATX]→
[HH VATX]→[HHH VATX]
Adjust: [ *** ]
PTT: ON
Press [Orange] to store the ad-
justment value after adjustment.
• RX (Upper) 3) Adj item: [VARX u]
Adjust: [ *** ]
4) Adj item: [LLL VARX u]→
[LL VARX u]→[L VARX u]→
[C VARX u]→[H VARX u]→
[HH VARX u]→[HHH VARX u]
Adjust: [ *** ]
Press [Orange] to store the ad-
justment value after adjustment.
• RX (Lower) 5) Adj item: [VARX l]
Adjust: [ *** ]
6) Adj item: [LLL VARX l]→
[LL VARX l]→[L VARX l]→
[C VARX l]→[H VARX l]→
[HH VARX l]→[HHH VARX l]
Adjust: [ *** ]
Press [Orange] to store the ad-
justment value after adjustment.
3. MCF 1) CH-Sig: 1-1
• Wide Spectrum analyzer setting
Center-f: 49.95MHz
Span: 40kHz
RBW: 1kHz
VBW: 1kHz
TG level: –20dBm
XdB/div: 2dB
Connect each cable (W05-1000-
00) to CN202 and CN207.
ADJUSTMENT
Measurement
Test-
Unit Terminal Unit
equipment
Power Rear ANT Front
meter panel panel
DVM TX-RX CVu
Spectrum Rear ANT TX-RX
analyzer panel
Tracking TX-RX CN202
generator CN207
KCH-16
Adjustment
Parts Method
[B],[C] Change the adjust- 2.0V±0.1V K
ment value within 2.2V±0.1V K2
the limit of the
specifi ed voltage. When adjusting the assist
voltage in PC tuning mode,
slide the bar to indicate
"VCO Lock Voltage" within
2.0V±0.1V (K), 2.2V±0.1V (K2)
on Meter window.
L218 Adjust the coils to
L223 obtain the waveform
L228 as shown to the
L230 right.
REF –20.0 dBm ATT 10 dB
2 dB/
CAL.OFF
SPAN
40.0 kHz
RBW
1 kHz
VBW
1 kHz
SWP 200ms SPAN 40.0 kHz
Specifi cations / Remarks
1.5dB
MAX 5.5dB
or more
−4kHz +4kHz
+8kHz
−8kHz
CENTER 49.9500 MHz
47