Icom IC-FR6000 Service Manual Addendum page 247

Feb. 2009
6-2 FREQUENCY ADJUSTMENT
1) Select an adjustment item using cursor or [] / [] keys of the PC's keyboard.
2) Set or modify the adjustment value as specifi ed using [] / [] keys of the PC's keyboard, and then push the [ENTER] key.
ADJUSTMENT
ADJUSTMENT
CONDITION
PLL LOCK 1
VOLTAGE
-Preparation-
-Adjust- 2 • CH. : 1-1
RX • Receiving
(Band low)
RX 3 • CH. : 1-2
(Band high) • Receiving
TX 4 • CH. : 1-1
(Band low) • Transmitting
TX 5 • CH. : 1-2
(Band high) • Transmitting
LOCK VOLT- 1 • CH. : 1-3
AGE • Receiving
VERIFY
RX (Band low)
RX (Band high) 2 • CH. : 1-4
• Receiving
TX (Band low) 3 • CH. : 1-3
• Transmitting
TX (Band high) 4 • CH. : 1-4
• Transmitting
RX 1 NOTE: Only when the RX frequency is not in the specifi ed value, re-adjust the RX frequency.
FREQUENCY
• CH. : 1-8
• Receiving
TX 1
FREQUENCY
2 • CH. : 1-5
• Transmitting
• I/O CHECK WINDOW
(Replacement page)
OPERATION
1) Connect an RF power meter to the TX
antenna.
–
2) Set the preset adjustment value on the
adjustment utility window.
• Select the item [RX LVA L], and then push
the [ENTER] key.
• Select the item [RX LVA H], and then push
the [ENTER] key.
• Select the item [TX LVA L], and then push
the [ENTER] key.
• Select the item [TX LVA H], and then push
the [ENTER] key.
• Verify the lock voltage at each channels
on the [RX LIVIN] item on the "I/O Check
window" as below.
• Verify the lock voltage at each channels
on the [TX LIVIN] item on the "I/O Check
window" as below.
• Connect an frequency counter to the 1st
LO check point on the MAIN/-A UNIT as
below.
1) Set the item [TX Mode] to "1."
– 2) Connect an RF power meter to the TX
antenna.
1) Adjust the frequency using [] / [] keys
of the PC's keyboard.
2) Push [ENTER] to store the value.
Lock voltage verify
ADJUSTMENT
• 1ST LO CHECK POINT
6 - 7
VALUE
ITEM
[LV (RX L)]
[LV (RX H)] 36 [0.70V]
[LV (TX L)] (for each item)
[LV (TX H)]
[RX LVA L]
[RX LVA H]
(Automatic
adjustment)
[TX LVA L]
[TX LVA H]
3.0–4.3 V (Verify)
[L]
2.7–4.0 V (Verify)
[RX LIVIN]
Except [L]
(I/O Check win-
3.0–4.0 V (Verify)
dow)
[L]
2.7–4.0 V (Verify)
Except [L]
2.7–4.0 V (Verify)
Except [350 MHz]
3.0–4.3 V (Verify)
[350 MHz]
[TX LIVIN]
3.0–4.2 V (Verify)
(I/O Check win-
[L]
dow)
2.7–4.0 V (Verify)
[H]
3.0–4.3 V (Verify)
[350 MHz]
423.5500 MHz
[L]
473.5500 MHz
[H]
[RX REF]
353.5500 MHz
[350 MHz]
( ±100Hz)
(1st Lo frequency)
[TX Mode] "1"
469.9000 MHz [L]
[TX REF] 519.9000 MHz [H]
399.9000 MHz [350 MHz]
(MAIN/-A UNIT)
GND RXLO
CPU FLASH
DSUB