3-
3
ELECTRICAL TROUBLESHOOTING GUIDE
No 5V
S
No 5V
D
Is 5V
D
section working?
Is 5V
D
present at
input
of
U911
?
Replace
U911
.
Is there a DC voltage At
(+) terminal of B
900
?
Is there a
A
C voltage at
one terminal of
R
T900
?
Replace
U900
.
Check F
H900
1. Power check flow
No VF+
Is 5V
D
section working?
Replace D
910
Check
D9
10
NO
YES
YES
YES
YES
YES
Replace R
T900
.
YES
Replace B
900
.
YES
No
A.
B.
NO
NO
NO
NO
Summary of Contents for T 585
Page 22: ...2 SDRAM CLOCK FIG 2 1 3 TRAY OPEN CLOSE SIGNAL CH1 EJ CH2 EJ FIG 3 1 3 12 ...
Page 27: ...8 FOCUS ON WAVEFORM FSCON FIG 8 1 CD FIG 8 2 DVD 3 17 ...
Page 29: ...FIG 10 2 480P FIG 10 3 720P FIG 10 4 1080I 3 19 ...
Page 30: ...11 RF WAVEFORM FIG11 1 CD FIG11 1 DVD 12 HDMI CH1 HSYN CH2 VSYN FIG12 1 480I 3 20 ...
Page 60: ...HS4 DVD_B008 VM1 0 RS232 P1 J2 1 6 5 RS232 P C BOARD TOP VIEW BOTTOM VIEW 3 64 ...
Page 62: ......