Icom IC-7800 Service Manual Addendum page 389

4-5 PA200W BOARD ADJUSTMENTS
ADJUSTMENT ADJUSTMENT CONDITION
IDLING 1 • Preset R301, R407 and R410 on
CURRENT the PA200W unit to max. CCW.*
• [MIC] gain
(For driver)
• Main display frequency
(For final 2
amplifier)
• Mode
• Apply no audio signals to [MIC]
3
connector.
• Transmitting
*CCW: Counter clockwise
MEASUREMENT
UNIT
PA200W Connect a DC amme-
: max. CCW*
: 14.100 MHz
: USB
4 - 16
LOCATION
1.0 A higher from the
ter between W1 and previous value of the
EP501. adjustment.
1.0 A higher from the
previous value of the
adjustment.
1.0 A higher from the
previous value of the
adjustment.
ADJUSTMENT
POINT
VALUE
UNIT ADJUST
PA200W R301
R407,
R425
R410,
R426