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5 - 2
Lock voltage
adjustment for TX
L73
Lock voltage
check point for RX
CP1
Lock voltage
check point for TX
CP2
L62
Lock voltage
adjustment for RX
5-2 PLL ADJUSTMENTS
LOCK
VOLTAGE
ADJUSTMENT
ADJUSTMENT
ADJUSTMENT CONDITION
MEASUREMENT
VALUE
POINT
UNIT
LOCATION
UNIT
ADJUST
1
2
3
• Operating channel : ch P2
• Receiving
• Operating channel : ch P2
• Output power
: Low
• Transmitting
• Operating channel : ch 70
• Receiving
MAIN
Connect a digital
multi-meter or oscil-
loscope to check
point CP1.
Connect a digital
multi-meter or oscil-
loscope to check
point CP2.
3.8 V – 4.0 V
3.1 V – 3.3 V
2.7–3.7 V
MAIN
L62
L73
Verify
• MAIN UNIT TOP VIEW
Содержание IC-M601
Страница 1: ...VHF MARINE TRANSCEIVER iM601 SERVICE MANUAL ...
Страница 37: ...9 5 LOGIC BOARD TOP VIEW H L CH WX 16 MENU POWER CLR F DISTRESS ENT 0 CE 7 8 9 4 5 6 1 2 3 9 2 ...
Страница 40: ... BOTTOM VIEW MAIN UNIT 8 14 7 1 7 1 8 1 4 8 5 14 9 5 ...
Страница 42: ... BOTTOM VIEW AF UNIT 5 8 4 1 5 8 4 1 GND 4 1 to MAIN unit J5 GND VCC VCC 9 7 ...
Страница 53: ......
Страница 54: ...1 1 32 Kamiminami Hirano ku Osaka 547 0003 Japan S 13908HZ C1 C 2002 Icom Inc ...