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L11
L405
PLL lock voltage
adjustment
LV
PLL lock voltage
check point
MAIN UNIT
Bottom view
RF power meter
5-2 PLL ADJUSTMENT
PLL LOCK
VOLTAGE
1
2
3
4
• Operating frequency:
400.000 MHz
A
440.000 MHz B
470.000 NHz C
490.000 MHz D, E
• Receiving
• Transmitting
• Operating frequency:
430.000 MHz
A
470.000 MHz B
500.000 MHz C
512.000 MHz D
520.000 MHz E
• Receiving
• Transmitting
MAIN Connect a digital multi
meter to check point
LV.
1.3 V
1.3 V
B
1.05 V (except B)
3.0–4.5 V
(A, B, C)
2.0–3.7 V D
2.5–4.2 V E
3.0–4.5 V A, C
2.7–4.2 V B
2.0–3.7 V D
2.5–4.2 V E
MAIN L11
L405
Verify
ADJUSTMENT ADJUSTMENT CONDITIONS
UNIT LOCATION
VALUE
UNIT ADJUST
MEASUREMENT ADJUSTMENT
A: 400–430 MHz B: 440–470 MHz C: 470–500 MHz D: 490–512 MHz E: 490–520 MHz
ˆ: N-type „: W-type ˜: M-type