No. 51914
AV-48WP30
52
Indication
Check item
Details of detection
Method of detection
XRAY
X-ray protection
Operation of X-ray
protection circuit.
At about 3 seconds after the power is turned on, the
self-check function starts. If NG is detected for 200ms,
the power is turned off automatically.
OCP
B1 Over-current protection
An B1 over-current is
detected.
At about 3 seconds after the power is turned on, the
self-check function starts. If NG is detected for 200ms,
the power is turned off automatically.
LOB
Low B protection
Operation of low B short
protection circuit.
At about 3 seconds after the power is turned on, the
self-check function starts. If NG is detected for 200ms,
the power is turned off automatically.
SYNC
Presence or absence of
synchronized signal
Presence of synchronized
signal.
HD : HD system
M : NTSC main
S : NTSC sub
When entering the self-check mode, “OK” is shown.
While running the mode with picture signal, if the
synchronized signal is disappeared, “NG” is shown.
MEM
E
2
PROM memory
ACK is returned when I
2
C
traffic is carried out.
The state is monitored every time when I
2
C traffic is
carried out. Then the state is counted as a failure if ACK
is not returned.
AVSW
AV switch
Ditto, MM1519 and
CXA2069Q
Ditto
VCD
Video chroma
Ditto, AN5392
Ditto
BS
BS tuner
Ditto, BS tuner module
Ditto
AIO
Audio
Ditto, BD3869
Ditto
YC
3DY/C
Ditto, upd64083
Ditto
TUN
RF tuner
Ditto, RF tuner
Ditto
PP
P & P
Ditto, AMDP2(TMX57128)
Ditto
IP
IP
Ditto, JCC5054
Ditto
GCR
GCR
Not used
Ditto
TIM
Timer
The power frequency is
changed as follows :
50Hz
→
60Hz
60Hz
→
50Hz
Periodically check the power frequency by counting the
AC pulse and monitor whether or not the frequency is
changed except for the time immediately after resetting.
Summary of Contents for AV-48WP30
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