V10/V7.5/V5/V3.5 Installation and Operation Manual Page 3-19
Section 3 Operating Instructions Issue 3.5
Table 3-7: Power Module Interface PWB - Controls and Indicators
PANEL
MARKING
DESCRIPTION
PA FAIL 1 – 4
DS1 – DS4
When turned on (red), indicates:
- the associated IPA or RF power module’s PA (1 through 4) and/or its
associated circuitry has failed, or
- the non-operational PA (PA FAIL 3 or 4) in dual PA IPA modules
(NAA54A/03 and NAA55A/03, used only in V5 and V3.5 transmitters)
NOTE:
PA FAIL 1 (DS1) and PA FAIL 2 (DS2) LEDs are not installed
on PWBs contained in dual PA IPA modules.
PA VOLTS
DS5
When turned on (amber), indicates the PA voltage is present and being
applied to the associated RF power module.
BIAS/DUAL IPA
E1
Bi-position selection jumper that can be used to configure an RF power
module for use as an IPA module in dual PA IPA V5/V3.5 transmitters
only.
This jumper is factory set in the BIAS position (shorting pins 1 and 2)
and requires no adjustment in a V10/V7.5 transmitter.
The jumper is factory set in the DUAL IPA position (shorting pins 2 and
3) for a dual PA IPA module in a V5/V3.5 transmitter.
If an RF power module is being used as a dual PA IPA module in a
V5/V3.5 transmitter (as described in 5.11.2), the jumper should be set to
DUAL IPA (shorting pins 2 and 3).
Table 3-8: Miscellaneous Controls and Indicators
PANEL
MARKING
DESCRIPTION
DS1 – DS3
When turned on (amber), indicates that ac voltage is being applied to
the ac distribution assembly (A1), therefore ac voltage is present in the
transmitter cabinet. For 3-phase ac power source configurations, there
is an LED for each phase. For 1-phase ac power source configurations,
all three LEDs are connected between the ac lines (or line-neutral).
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