Harman Kardon DVD 22 Service Manual page 6

DVD 22
Symptom
1> On and Off problems. When power key is pressed, the unit turn
On momentarily and immediately back to "Stand-By".
2> WMA audio playability up to V9
3> blocks during reproduction
4> trouble with reading DVD discs with multiple angle option
5> can't use navigator menu made by
"InterVideo WinDVD Creator"
6>unit does not turn on
7>DOESN'T START UP CORRECT FROM STAND-BY
8>LOCKED, READING OR NO DISPLAY
9>U502 flash ic change from 29LV800 to 26LV800
do to 29LV800 Obsolete
10>mecha do not read disc.
Harman Consumer Group
Right hand man tips
Location Action
Defective Q1 leaky (2N5551) and
POWER SUPPLY board
zener diode ZD1 open (16 volts).
software upgrade to V0429 or higher
software upgrade to V0429 or higher
use other editor then InterVideo
software
WinDVD Creator
glue of the smd components on
the front panel
Front board
to be conductive, resolder the
SMD component.
CHANGE / CHECK EC19 IN POWER
smps board
SUPPLY
smps board CHECK CAPACITOR IN PSU, EC19
in case u502 needs to be
changed from 29LV800 to
26LV800 Add a pull up resistor
main board
as described in service bulletin
2004-03
in case the laser are dead
check 5V supply at Q712
main board
if 5V missing change Q711 and
Q712. Q712 need to change to
DTA114E and not the 8050
Issue Place
Service information Theo, Convoy 07/2004
Service information HCI
Service information HCI
Service information HCI
Service information HCI
menho
Service information Sweden Patrick, October 2004
Service information Sweden Patrick, October 2004
Service bulletin 2004-003 HCGI okt 04
Service information HCGI okt 05
DVD22 - DVD22B