Panasonic VDR-D220E Service Manual page 48

DVD DRIVE UNIT
How to confirm which there is malfunction in Main P.C.B. or DVD Drive Unit.
Does a power turn on with Disc REC or PLAY
mode ?
No
Does unit turn on the power with SD Card mode or forced power on
function ?
<How to turn on with forced power on function>
Push and hold the MENU button and JOYSTICK CONTROL RIGHT
then Turn on the power with POWER SW.
No
Check Main P.C.B. with POWER troubleshooting.
Check Drive Error Code with Service Menu.
Refer to "Service Menu."
No Error code
Check power supply voltage of B21 on Main P.C.B.
Pin 18 : 4.75V
Pin 19 : 4.75V
Pin 20 : 4.75V
Pin 31 : 1.2V
Pin 32 : 1.2V
Pin 33 : 3.2V
Pin 34 : 3.2V
Pin 35 : 3.2V
OK
Replace DVD Drive Unit.
If following error code is displayed,
replace DVD Drive Unit.
04/40/00
04/09/03
04/93/00
If following error code is displayed,
replace Disc Cover Lock Unit.
04/53/00
02/3A/02
Pin 41 : 4.4V
Pin 42 : 4.4V
Pin 43 : 4.4V
When install normal Disc, any error message
Yes
is display ?
No
Replace Main P.C.B.
Yes
Error code is displayed
NG
NG
NG
48
Yes
Replace DVD Drive Unit.
Replace Disc Cover Lock Unit.
Replace Main P.C.B.