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5-5. Temperature
(
5-5-1. AMP-A
OTP_PS Flag PROT*_N
This is not tested for service inspection of PX amplifi er.
(
5-5-2. AMP-B
T-SENSE
Contents T-SENSE which is a signal which the temperature
sensor of the amplifier channel B outputs inspects
automatically whether it is in the right range.
Normal range is 240mV (5℃) - 1010mV (50℃).
Advance preparation None.
〈 Service inspection screen 〉
Left end✽is a selecting cursor.
The fault location at the time of FAIL
Around T-SENSE signal.
5-5-3. /HI-TEMP
This is not tested for service inspection of PX amplifi er.
)
)
5-6. SPI Flash (IC104)
5-6-1. SPI Bus
Contents Read JEDEC ID (9Fh) command is written to the
SPI Flash device for data (IC104), and it inspects
automatically that the following ID can be read.
Memory Type ： 40h
Capacity ： 14h
Advance preparation None.
Note
The inspection of the QSPI Flash device for firmware
(IC102) is omitted.
It is substituted by the check of operation of firmware
and the check of the validity at the time of firmware
upgrade.
〈 Service inspection screen 〉
Left end✽is a selecting cursor.
The fault location at the time of FAIL
SPI Bus (/FLA-CS, FLA-SCK, FLA-MISO, FLA-MOSI) or
IC104 itself.
PX10/PX8/PX5/PX3
39
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