Set remains closed!
Standard repair procedure
N
Y
Play a CD
for at least 10 minutes
Y
playability
ok ?
N
playability
ok ?
add Info for customer
"SET OK"
playability
ok ?
Y
N
check playability
N
Y
playability
ok ?
check playability
check playability
EYE-Pattern
ok ?
N
Y
check "EYE-Pattern"
replace CD Drive
Laser current
ok ?
N
Y
check Laser current
CD Drive offsets
ok ?
N
Y
check CD Drive offsets
clean the lens
check playability
return set
Customer complaint
"CD related problem"
return set
return set
replace CD Drive
return set
replace CD Drive
return set
replace Signal Processor
return set
"fast" lens cleaning
1
2
3
4
5
6
7
For flap loaders (= access to CD drive possible)
cleaning method
4
is recommended
1
-
7
For description - see following pages
INSTRUCTIONS ON CD PLAYABILITY
1-6
Summary of Contents for MCM398D Series
Page 2: ...1 2 PCBS LOCATION ...
Page 10: ...3 1 3 1 SET BLOCK DIAGRAM ...
Page 11: ...SET WIRING DIAGRAM 4 1 4 1 ...
Page 13: ...5 2 5 2 PCB LAYOUT MAIN BOARD TOP VIEW ...
Page 14: ...PCB LAYOUT MAIN BOARD BOTTOM VIEW 5 3 5 3 ...
Page 15: ...5 4 5 4 CIRCUIT DIAGRAM MAIN BOARD PART1 ...
Page 16: ...5 5 5 5 CIRCUIT DIAGRAM MAIN BOARD PART2 ...
Page 17: ...5 6 5 6 CIRCUIT DIAGRAM HP AUX BOARD ...
Page 19: ...6 2 6 2 PCB LAYOUT DISPLAY BOARD TOP VIEW ...
Page 20: ...PCB LAYOUT DISPLAY BOARD BOTTOM VIEW 6 3 6 3 ...
Page 21: ...6 4 6 4 CIRCUIT DIAGRAM FRONT DISPLAY BOARD ...
Page 22: ...6 5 6 5 CIRCUIT DIAGRAM USB BOARD ...
Page 24: ...7 2 PCB LAYOUT CMUSIC BOARD TOP VIEW 7 2 ...
Page 25: ...7 3 PCB LAYOUT CMUSIC BOARD BOTTOM VIEW 7 3 ...
Page 26: ...7 4 CIRCUIT DIAGRAM CMUSIC BOARD CD TUNER PART 7 4 ...
Page 27: ...7 5 CIRCUIT DIAGRAM CMUSIC BOARD USB PART 7 5 ...