2-6
NO
NO
Check connection lines
between FLASH &MT1389/L
and the FLASH access time
whether is suitable or not.
YES
YES
YES
YES
Check AV cable
connection to TV set.
YES
YES
YES
Flash
Memory operates
properly?
NO
Check connection lines
between SDRAM(IC504) &
MT1389/L and the SDRAM
is damaged.
SDRAM
works properly?
NO
Check the related circuit of
MT1389/L IC501 Pins99, 102,
103, 104.
MT1389/L
VIDEO outputs
properly?
Show LOGO?
NO
NO
Check the load OPEN &
CLOSE switch.
Check AV cable connection
between main PCBA and
loader. (MECHA)
YES
YES
YES
Normal
OPEN_SW,
CLOSE_SW
signal?
NO
Check the Tray control IO pins
on MT1389/L.
Normal
TROPEN & TRCLOSE
signal?
NO
Check the Tray control MOTOR
& SERVO circuit IC401.
Normal
LOAD+ & LOAD-signal?
Does
Tray move inside when it
is not at closed
position?
Power On.
A
B
Содержание SH33SD-S
Страница 25: ...2 16 4 SLED CONTROL RELATED SIGNAL NO DISC CONDITION FIG 4 1 1 2 3 4 1 2 3 4 ...
Страница 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 ...
Страница 28: ...2 19 FIG 7 4 CD FIG 7 3 CD 1 2 3 IC501 IC501 1 2 3 1 2 3 ...
Страница 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 ...
Страница 31: ...2 22 11 MT1389 L VIDEO OUTPUT WAVEFORMS 1 Full colorbar signal COMPOSIT FIG 11 1 FIG 10 2 CD 3 4 2 1 1 2 4 1 3 ...
Страница 41: ...2 32 2 IC401 MOTOR DRIVER PIN CONFIGURATION BLOCK DIAGRAM ...
Страница 42: ...2 33 1 IC501 MPEG MT1389L PIN DESCRIPTION ...
Страница 54: ...2 45 2 46 WIRING DIAGRAM PN202 CABLE1 18PIN WIRING DIAGRAM HT303 HT353 EBY38558901 8 REV 8 2 2008 12 16 ...
Страница 55: ...2 47 2 48 OVERALL BLOCK DIAGRAM MT1389FE L BLOCK DIAGRAM HT303 HT353 EBY38558901 7 REV 8 2 2008 12 16 ...
Страница 66: ...2 69 2 70 PRINTED CIRCUIT BOARD DIAGRAMS 1 MAIN P C BOARD DIAGRAM TOP VIEW ...
Страница 67: ...2 71 2 72 MAIN P C BOARD DIAGRAM BOTTOM VIEW ...
Страница 74: ...2 PASSIVE SUBWOOFER SH33SD W 950 A90 951 953 956 954 952 955 WIRE90 3 7 ...
Страница 75: ......