Panasonic DMR-ES20P Service Manual page 19

Mode name
S1 signal output Forcibly superimpose the S1 signal (approx.
4.5V DC) on the EE chroma signal, and check
the output on the S terminal.
S2 signal output Forcibly superimpose the S2 signal (approx.
2V DC) on the EE chroma signal, and check
the output on the S terminal.
Front connection inspec- Press all front keys and check the connection
tion between Main P.C.B. and Front key Switches.
Display the accumlated Display the accumulated unit's working time.
working time
Delete the Error History Delete Error History information stored on the
unit.
Tray OPEN/CLOSE Test The RAM drive tray is opened and closed
repeatedly.
Error code initialization Initialization of the last error code held by
timer (Write in F00)
Initialize Service Last Drive Error, Error history and Error
Codes stored on the unit are initialized to fac-
tory setting.
Finishing service mode Release Service Mode.
Item
Description
FL display
(1) Each time a key is pressed, seg-
ment turned on increases one by
one.
(2) Total umber of keys that have
been pressed.
(Indicating unit: hour)
"*" is number of open/close cycle
times.
Display in STOP (E-E) mode.
19
Key operation
(Remote controller key)
Press [5] [2] in service mode.
Press [5] [3] in service mode.
Press [5] [4] in service mode.
Press [6] [4] in service mode.
Press [9] [7] in service mode.
Press [9] [1] in service mode
*When releasing this mode, pull off
AC plug.
Press [9] [8] in service mode.
Press [9] [9] in service mode.
Press power button on the front
panel or Remote controller in ser-
vice mode.