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4 - 16
4-5 PA200W BOARD ADJUSTMENTS
IDLING
CURRENT
(For driver)
(For final
amplifier)
ADJUSTMENT
ADJUSTMENT
ADJUSTMENT CONDITION
MEASUREMENT
VALUE
POINT
UNIT
LOCATION
UNIT
ADJUST
1
2
3
• Preset R301, R407 and R410 on
the PA200W unit to max. CCW.*
• [MIC] gain
: max. CCW*
• Main display frequency
: 14.100 MHz
• Mode
: USB
• Apply no audio signals to [MIC]
connector.
• Transmitting
PA200W Connect a DC amme-
ter between W1 and
EP501.
1.0 A higher from the
previous value of the
adjustment.
1.0 A higher from the
previous value of the
adjustment.
1.0 A higher from the
previous value of the
adjustment.
PA200W
R301
R407,
R425
R410,
R426
*CCW: Counter clockwise
Summary of Contents for IC-7800
Page 1: ...SERVICE MANUAL ADDENDUM CONTENTS PARTS LIST 1 BOARD LAYOUTS 65 VOLTAGE DIAGRAM 67 Dec 2009 ...
Page 79: ...SERVICE MANUAL ADDENDUM CONTENTS PARTS LIST 1 BOARD LAYOUTS 60 VOLTAGE DIAGRAM 64 Feb 2009 ...
Page 157: ...SERVICE MANUAL ADDENDUM CONTENTS PARTS LIST 1 BOARD LAYOUTS 57 VOLTAGE DIAGRAM 59 Aug 2008 ...
Page 245: ...SERVICE MANUAL ADDENDUM CONTENTS PARTS LIST 1 BOARD LAYOUTS 57 VOLTAGE DIAGRAM 59 Jul 2008 ...
Page 333: ...THE TRANSCEIVER i7800 SERVICE MANUAL S 14015HZ C1 2 Mar 2006 ...
Page 555: ...1 1 32 Kamiminami Hirano ku Osaka 547 0003 Japan S 14015HZ C1 2 C 2004 2006 Icom Inc ...