70
DV-545, DV-444-S, DV-444-K
Diagnosis of JACB Assy
6
1
Remove the Rear Panel (Screws
×
9).
2
Remove the JACB Assy and the POWER SUPPLY Unit
(Screws
×
10)(PCB Support
×
1).
3
4
5
Short-circuit W284 (GND of audio and video) on the JACB Assy
as shown in the right figure. (Audio does not come out from
output terminal that does not short-circuit.)
Note: If diagnosis was completed, be sure to remove a wire.
6
POWER SUPPLY
Unit
JACB Assy
DVDM Assy
Connection Cable
for Service
(GGD1222)
3
Loading Mechanism Assy
4
Short point of the JACB Assy
SIDE B
Short-circuit W284
W284
W284
W284
4
Connect two Connection Cables for Service (GGD1222)
between DVDM Assy and JACB Assy.
Reverse the JACB Assy and POWER SUPPLY Unit,
and arrange as figure below.
Playback with a test disc, and diagnose the JACB Assy.
Summary of Contents for DV-444-K
Page 9: ...DV 545 DV 444 S DV 444 K 9 ...
Page 23: ...23 DV 545 DV 444 S DV 444 K ...
Page 34: ...34 DV 545 DV 444 S DV 444 K ...