Service Mode And Self-Diagnosis Function - Yamaha DVR-S100 Service Manual

DVR-S100/NX-SW100
I SERVICE MODE AND SELF-DIAGNOSIS FUNCTION
1. Service Mode
• While pressing the " " button and " " button, press the STANDBY/ON button, and then the service mode is activated.
• In the service mode, the function becomes DVD/CD regardless of the preceding state.
• When the service mode is activated, PGM and RND on the FL display light up simultaneously.
• In the service mode, the DVD operation is usually executed. Only when the operator uses the procedure as described
below, special operation is executed.
Note: For jitter check, load the DVD test disc. [DVDT-S15 (AAX07320) or DVDT-S01]
Player mode and
Item
button combination
Error code In STOP mode, press The latest error code stored in
check "0" button on the
remote control unit.
Jitter check In PLAY mode, press Jitter rate is measured and
"1" button on the
remote control unit.
Region In STOP mode, press The region numbers and video
display "2" button on the
remote control unit.
Version In STOP mode, press DVD module firmware version
display "3" button on the
remote control unit.
Lighting of In STOP mode, press All segments light up.
display tube "4" button on the
remote control unit.
DVD laser In STOP mode, press DVD laser drive current is
drive current "5" button on the
measurement remote control unit.
Initial setting In STOP mode, press The initial current value for each LDO_034_028
of laser drive "6" button on the
current remote control unit.
30
Function
EEPROM is displayed.
displayed.
format are displayed.
is displayed.
measured and the result is
displayed together with the initial
value stored in EEPROM.
After the measurement, DVD
laser emission is kept on. It is
turned off when the "STANDBY/
ON" key is switched off.
DVD laser and CD laser is
separetely saved in EEPROM.
Display
Error code (play_err) is expressed in
the following convention.
Error code = 0 x DAXX is expressed: → nn UXX
Error code = 0 x DBXX is expressed: → nn HXX
Error code = 0 x DXXX is expressed: → nn FXXX
Error code = 0 x 0000 is expressed: → nn F–––
* "nn" denotes the serial number of history.
J_xxx_yyy_zz
↑ ↑ ↑ ↑
Focus drive value
Read error counter
Jitter rate
Jitter check mode
Jitter rate is shown in decimal notation to
one place of decimal.
Focus drive value is shown in
hexadecimal notation.
x_yy_zzz
↑ ↑↑
N: NTSC / 6: PAL60
N: noPAL / P:PAL
Region No.
srrr_xyzzzz
↑ ↑ ↑ ↑ ↑
System controller release number
System controller model number
System controller generation
Panel controller release number
Panel controller model number
–––––
LDD_034_032
↑ ↑ ↑
Measured current
Initial current stored in EEPROM
DVD laser current measurement mode
The value denotes the current in decimal
notation.
The above example shows the initial
current is 34mA and the measured value
is 32mA.
↑ ↑ ↑
CD laser current measurement
DVD laser current measurement
Laser current initial setting mode
The value denotes the current in decimal
notation. The above example shows the
initial current is 34mA and 28mA for DVD
laser and CD laser respectively when the
laser is switched on.
Cancellation
method
Cancelled
automatically 5
seconds later.
Press STOP or
OPEN button.
Cancelled
automatically 5
seconds later.
Cancelled
automatically 5
seconds later.
Turn off the power.
Cancelled
automatically 5
seconds later.
Cancelled
automatically 5
seconds later.