3-
7
B
NO
NO
NO
NO
NO
NO
NO
YES
YES
YES
YES
YES
YES
YES
Does
the SLED move
to inner side when it is at
outter position?
Motor Driver
XFTSMUTE
Pin is High?
Check the connection line of
XFTSMUTE
signal.
Is
SLED
DC Level
lower
than 1.65V?
Check the related circuit of
SLED
.
SL+ and SL- output
properly?
Check the amp circuit on motor
driver.
Check the cable connection with
MECHA.
Do not put in disc and tray
close.
C
Optical Lens has
movements for searching
Focus?
Proper
FSCON
outputs
to motor driver?
Check
FSCON
connection on
CXD1885Q
and motor dirver.
Proper F+ & F- outputs?
Check the amp circuit on motor
dirver.
Check cable connect on with
pick-up head.
Summary of Contents for M55
Page 26: ...2 SDRAM CLOCK FIG 2 1 3 TRAY OPEN CLOSE SIGNAL CH1 EJ CH2 EJ FIG 3 1 3 12 ...
Page 31: ...8 FOCUS ON WAVEFORM FSCON FIG 8 1 CD FIG 8 2 DVD 3 17 ...
Page 33: ...FIG 10 2 480P FIG 10 3 720P FIG 10 4 1080I 3 19 ...
Page 34: ...11 RF WAVEFORM FIG11 1 CD FIG11 1 DVD 12 HDMI CH1 HSYN CH2 VSYN FIG12 1 480I 3 20 ...
Page 65: ...HS4 DVD_B008 VM1 0 RS232 P1 J2 1 6 5 RS232 P C BOARD TOP VIEW BOTTOM VIEW 3 64 ...