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4-3 RXPLL-A UNIT ADJUSTMENTS
40M OUTPUT
LPL LOCK
VOLTAGE
HPL LOCK
VOLTAGE
(VCO1)
(VCO2)
(VCO3)
(VCO4)
(VCO5)
(VCO6)
(VCO1)
(VCO2)
(VCO3)
(VCO4)
(VCO5)
ADJUSTMENT
ADJUSTMENT
ADJUSTMENT CONDITION
MEASUREMENT
VALUE
POINT
UNIT
LOCATION
UNIT
ADJUST
1
1
2
1
2
3
4
5
6
7
8
9
10
11
• MAIN display frequency
: 0.030 MHz
• Mode
: USB
• Receiving
• MAIN display frequency
: 0.030 MHz
• Mode
: USB
• Receiving
• MAIN display frequency
: 7.999 MHz
• Mode
: USB
• Receiving
• MAIN display frequency
: 7.999 MHz
• Mode
: USB
• Receiving
• MAIN display frequency
: 14.999 MHz
• Mode
: USB
• Receiving
• MAIN display frequency
: 21.999 MHz
• Mode
: USB
• Receiving
• MAIN display frequency
: 29.999 MHz
• Mode
: USB
• Receiving
• MAIN display frequency
: 44.999 MHz
• Mode
: USB
• Receiving
• MAIN display frequency
: 60.000 MHz
• Mode
: USB
• Receiving
• MAIN display frequency
: 0.030 MHz
• Mode
: USB
• Receiving
• MAIN display frequency
: 8.000 MHz
• Mode
: USB
• Receiving
• MAIN display frequency
: 15.000 MHz
• Mode
: USB
• Receiving
• MAIN display frequency
: 22.000 MHz
• Mode
: USB
• Receiving
• MAIN display frequency
: 30.000 MHz
• Mode
: USB
• Receiving
RX
PLL-A
RX
PLL-A
RX
PLL-A
RX
PLL-A
C o n n e c t a n R F
voltmeter to CP701
(40 MHz).
C o n n e c t a D C
voltmeter to CP1
(LV1).
C o n n e c t a D C
voltmeter to CP2
(LV2).
C o n n e c t a D C
voltmeter to CP2
(LV2).
Maximum voltage
2.0 V ±0.1 V
Less than 3.0 V
4.0 V ±0.1 V
4.0 V ±0.1 V
4.0 V ±0.1 V
4.0 V ±0.1 V
4.0 V ±0.1 V
4.0 V ±0.1 V
1.2 V–2.0 V
1.2 V–2.0 V
1.2 V–2.0 V
1.2 V–2.0 V
1.2 V–2.0 V
RX
PLL-A
RX
PLL-A
RX
PLL-A
RX
PLL-A
Adjust
repeatedly
L702,
L703
C154
Verify
C222
C232
C242
C252
C262
C272
Verify
Verify
Verify
Verify
Verify
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