3-5
A
B
RESET or Power On.
Show LOGO?
Flash
Memory operates
properly?
Check connecti on lines between FLASH
& MT1379 and the FLASH access time
whether is sui table or not.
SDRAM
works properl y?
MT1379
VIDEO outputs
properly?
Have
TV signal output?
Check AV cable
connection to TV set .
Check the load OPEN &
CLOSE switch
Check the Tray control IO pins
on MT1376 & MT1379.
Check the Tray control amplifying
circuit on Motor driver.(IC202)
Does
Tray move inside
when it is not at
closed position?
Normal
TROUT & TRIN
signals?
Normal
TRCLOSE &
TROPEN signal?
Normal
LOAD+ & LOAD-
signal ?
Check the cable connection between
main PCBA and loader. (MECHA)
Check connection lines between
SDRAM(IC502,IC503) & MT1379 and the
SDRAM is damaged.
Check the rel ated ci rcui t of MT1379.
(IC501 PIN 161,166, 168 check)
Check the fi l teri ng and amp ci rcui t of
TV si gnal .(IC604)
Summary of Contents for T533CT
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Page 41: ...3 33 3 34 3 RF SERVO CIRCUIT DIAGRAM CD DVD LD will not on 02 12 26 R14601A NAD...
Page 46: ...3 43 3 44 PRINTED CIRCUIT DIAGRAMS 1 MAIN P C BOARD LOCATION GUIDE...
Page 47: ...3 45 3 46 2 KEY P C BOARD 3 TIMER P C BOARD LOCATION GUIDE Solder Side Solder Side...
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