Pll Adjustments - Icom IC-703 Service Manual

4-2 PLL ADJUSTMENTS

ADJUSTMENT ADJUSTMENT CONDITION
1 • Display frequency: Any
REFERENCE
FREQUENCY • Receiving
2
1 • Display frequency: 29.99999 MHz
VCO1 LOCK
VOLTAGE • Mode
• Receiving
1 • Display frequency: 60.00000 MHz
VCO2 LOCK
VOLTAGE • Mode
• Receiving
MEASUREMENT
UNIT
MAIN
MAIN
: USB
MAIN
: USB
4 - 2
LOCATION
Connect an RF volt- 1.5–3.5 V
meter to check point
CP9611.
Connect a frequency 64.000000 MHz
counter to check
point CP9671.
Connect a digital 4.0 V
multimeter or oscillo-
scope to check point
CP9151.
Connect a digital 4.0 V
multimeter or oscillo-
scope to check point
CP9151.
ADJUSTMENT
POINT
VALUE
UNIT ADJUST
MAIN
MAIN
MAIN
Verify
R9552
C9202
C9252