2-3
REPAIR INSTRUCTIONS
2-3
C
DVD
NO VIDEO
CHECK JK301 OK
DVD
NO READING
OR BAD
CHECK CN805 CN806
TO DVD LOADER CABLE
LOOSEOR BAD INT
CHECK IC900 pin3=8V
IC905 pin3=3.3V
YES
CHECK SPIN-M
SLED-M IS RUN
YES
NO
IC903 IC901 pin1=5V
CHECK pickup if light up
Can't OPEN CLES
NO
CHECK Q808 Q807
OK
check IC100 OF IC804
TO CN805
SHECK CN805 PIN1
NO
RF OUT
Q803,Q804 TO CN805
DVD
NO SOUND
CHECK L300~L304
CHECK IC100 AND
ITS AROUND PART
CHAGE JK301
CHECK
BAD
ZD300~ZD309
BAD
OK
0K
CN300
RE-INSERT AND FIX
THE CABLE
NO
CHECK
NO
IC900/IC903/IC901
IC905
CHECK CN802 TO
CHECK CN802 pin1,2
YES
CHECK OPEN-M
YES
DVD LOADER CABLE
LOOSEOR BAD INT
CHECK IC801 pin1,pin7
BAD
NO
RE-INSERT AND FIX
THE CABLE
is HI or LO
NO
is HI or LO
CHECK IC801/pin4,5
The disc changer can't run
CHECK CN803
CHECK CN803 pin1,2
YES
CHECK OPEN-M
YES
DVD LOADER CABLE
LOOSEOR BAD INT
is HI or LO
CHECK IC800 pin1,pin7
BAD
NO
RE-INSERT AND FIX
THE CABLE
CHECK IC800 pin4,5
NO
is HI or LO
is HI or LO
YES
CHECK IC800
YES
CHECK CN803
YES
CHECK
YES
CN802
Can't LOAD UP DOWIN
CHECK CN804 TO
CHECK CN804 pin1,2
YES
loda up down-M
YES
DVD LOADER CABLE
LOOSEOR BAD INT
CHECK IC802 pin1,pin7
BAD
NO
RE-INSERT AND FIX
THE CABLE
is HI or LO
NO
is HI or LO
CHECK IC802/pin4,5
CHECK
YES
CN802
YES
YES
CHECK IC803 pin20,21 (11.0582MHz)
CIRCUIT
YES
CHECK IC805
OK
CHECK LOADER
OK
CHECK LOADER
OK
CIRCUIT
CIRCUIT
CN805
pin2,5,6,7,9,10,11,12
CIRCUIT
CHECK LOADER
Содержание MRD300/37
Страница 40: ...9 1 9 1 SET MECHANICAL EXPLODED VIEW ...