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C133
PLL lock voltage
adjustment for RX
C134
PLL lock voltage
adjustment for TX
LV
PLL lock voltage
check point
DC power supply
13.2 V / 15z A
5 - 4
5-2 PLL ADJUSTMENT
PLL LOCK
VOLTAGE
1
2
3
4
• Operating freq. : 400.000 MHz [L]
440.000 MHz [H]
• Receiving
• Output power
: Low1
• Transmitting
• Operating freq. : 430.000 MHz [L]
490.000 MHz [H]
• Receiving
• Output power
: Low1
• Transmitting
MAIN Connect a digital multi-
meter or an oscillo-
scope to the check
point, “LV”.
1.0 V
1.0 V
3.3–4.4 V [L]
3.3–4.5 V [H]
3.3–4.4 V [L]
3.3–4.5 V [H]
MAIN
C133
C134
Verify
ADJUSTMENT
ADJUSTMENT CONDITIONS
UNIT
LOCATION
VALUE
UNIT
ADJUST
MEASUREMENT
ADJUSTMENT
Summary of Contents for IC F110S
Page 1: ...SERVICE MANUAL VHF TRANSCEIVER iF110S iF111S iF121S ...
Page 31: ...SP 14 8 1 1 7 14 8 7 12 24 1 13 9 4 BOTTOM VIEW MAIN UNIT ...
Page 36: ......
Page 37: ...1 1 32 Kamiminami Hirano ku Osaka 547 0003 Japan S 13906HZ C1VS e 2003 Icom Inc ...
Page 38: ...SERVICE MANUAL UHF TRANSCEIVER iF210S iF211S iF221S ...
Page 68: ...SP 14 8 1 1 7 14 8 7 12 24 1 13 9 4 BOTTOM VIEW MAIN UNIT ...
Page 73: ......
Page 74: ...1 1 32 Kamiminami Hirano ku Osaka 547 0003 Japan S 13906HZ C1US w C 2002 2003 Icom Inc ...