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7.1.4 NOTES ON REPLACE OF PARTS
(ID-related)
The ID number for an individual product is stored in the EEPROMs (IC7 for the TX module, IC11 for the RX module) of each
module (TX module: AXF7010, RX module: AXF7011). It should be noted that wireless communications cannot be performed
A
unless these ID numbers are identical.
1. Replacement of the TX or RX module
Upon replacement of the TX (AXF7010) or RX (AXF7011) module, remove the EEPROM from the original module and mount
it on the new one.
2. Replacement of the EEPROMs (IC7 and IC11)
Using service part AXX7198 (a kit containing two EEPROMs with identical ID numbers stored in them,) replace both
EEPROMs when either needs to be replaced.
Note : The AXX7198 is a service part containing two EEPROMs, both of which must be replaced when either needs to be
B
replaced.
7.1.5 DIAGNOSIS OF THE AMPLIFIER SECTION
You can diagnose the amplifier section even if the transmitter section is not available. Input audio signals to the Jumper Wire
for service use indicated below. At that time remove the RX MODULE.
C
C
AMP ASSY
D
E
F
58
1
2
Jumper Wire for service for signal input
SIDE B
GNDRF
XW-HT1
2
3
GNDD
R3514
R15
GNDD
D14
D15
D3453
Q3453
R3463
R3460
D3452
D3451
C3374
R3374
R3376
3
4
VA+9
R5908
R5907
4
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