2-7
NO
NO
Check the connection line of
DRV_MUTE.
YES
YES
YES
Check the cable connection
with MECHA.
Do not put in disc
and close tray.
YES
YES
YES
Motor
Driver DRV_MUTE
pin is high?
NO
Check the related circuit of
SLEGN.
Motor
Driver DRV_MUTE
pin is High?
NO
Check the amp circuit on
motor driver.
SLED+ and
SLED- output
properly?
Does
the SLED move to inner
side when it is at outer
position?
NO
NO
Check Focus connection on
MT1389/L and motor driver.
Check cable connection with
pick-up head.
YES
YES
Proper Focus outputs
to motor dricer?
NO
Check the amp circuit on motor
driver.
Proper F+ & F- outputs?
Optical Lens
has movements for
searching Focus?
B
C
Summary of Contents for SH33SD-S
Page 25: ...2 16 4 SLED CONTROL RELATED SIGNAL NO DISC CONDITION FIG 4 1 1 2 3 4 1 2 3 4 ...
Page 27: ...2 18 FIG 7 2 DVD 7 DISC TYPE JUDGEMENT WAVEFORMS FIG 7 1 DVD 1 2 3 IC501 IC501 1 2 3 1 2 3 ...
Page 28: ...2 19 FIG 7 4 CD FIG 7 3 CD 1 2 3 IC501 IC501 1 2 3 1 2 3 ...
Page 29: ...2 20 FIG 8 2 CD 8 FOCUS ON WAVEFORMS FIG 8 1 DVD 1 2 3 1 2 3 4 4 1 2 4 3 IC501 ...
Page 41: ...2 32 2 IC401 MOTOR DRIVER PIN CONFIGURATION BLOCK DIAGRAM ...
Page 42: ...2 33 1 IC501 MPEG MT1389L PIN DESCRIPTION ...
Page 66: ...2 69 2 70 PRINTED CIRCUIT BOARD DIAGRAMS 1 MAIN P C BOARD DIAGRAM TOP VIEW ...
Page 67: ...2 71 2 72 MAIN P C BOARD DIAGRAM BOTTOM VIEW ...
Page 74: ...2 PASSIVE SUBWOOFER SH33SD W 950 A90 951 953 956 954 952 955 WIRE90 3 7 ...
Page 75: ......