No.mb662<Rev.003>)1 - JVC NX-F3B Service Manual

4.5 SPECIAL MODE
4.5.1 DVD STATUS MODE
It perform the following indication state transition, when receive the [POWER] + [STOP] + [2] at POWER ON status.
Come out by any key.
POWER ON status
1 DVD temp info indication
2 EDID information indication
Normal indication
4.5.2 SYSTEM STATUS MODE
It perform the following indication state transition, when receive the [POWER] + [STOP] + [3] at POWER ON status.
Come out by any key.
<POWER ON STATUS>
POWER ON status
1 Indication of a Shutdown cause
2 Indication of the AD port PWR_THERMO: AMP_THERMO: LVL_DET voltage
3 Indication of VOLUME Gain restrictions value.
Effectiveness Gain restrictions value
Gain restrictions value by the temperature
Gain restrictions value by the sound
Normal indication
Attention in use: Because various SAFETY detection processing starts from POWER ON 2 sec. later, shift to
4.5.3 SPK OUTPUT MEASURE MODE
It shift to the SPK OUTPUT MEASUREMENT MODE, when receive the [POWER] + [STOP] + [4] at POWER ON status.
Normal indicate "MEASURE" to FL, it cancel VOLUME ATT restrictions processing by the sound level detection.
Come out by input again [POWER] + [STOP] + [4].
This power measurement mode is for production line.
POWER ON status
SPK OUTPUT MEASURE MODE
Come out mode
4.5.4 VERSION INDICATION
It perform the following indication state transition, when receive the [POWER] + [STOP] + [10] at POWER ON status.
Come out by any key.
POWER ON status
1 Indication of the syscom ROM ver.
2 Indication of the syscom Model/Destination
3 Indication of the Back end firm ver.
4 Indication of the Back end Destination/Region
NORMAL indication
1-24 (No.MB662<Rev.003>)
TEST MODE from POWER ON for less than 2 sec. when it want to let you display a
Shutdown cause.