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
CD PLAYABILITY CHECK
1-6
Summary of Contents for MCB275/05
Page 12: ...4 1 4 1 SET BLOCK DIAGRAM ...
Page 13: ...SET WIRING DIAGRAM 5 1 5 1 ...
Page 14: ...6 1 6 1 PCB LAYOUT MAIN BOARD TOP VIEW ...
Page 15: ...PCB LAYOUT MAIN BOARD BOTTOM VIEW 6 2 6 2 ...
Page 16: ...6 3 6 3 CIRCUIT DIAGRAM MAIN BOARD AUDIO PART ...
Page 17: ...6 4 6 4 CIRCUIT DIAGRAM MAIN BOARD FM TUNER PART ...
Page 18: ...6 5 6 5 CIRCUIT DIAGRAM MAIN BOARD SUB MCU PART ...
Page 19: ...6 6 6 6 CIRCUIT DIAGRAM MAIN BOARD INTERFACE PART ...
Page 20: ...6 7 6 7 CIRCUIT DIAGRAM MAIN BOARD DAB PART ...
Page 21: ...6 8 6 8 CIRCUIT DIAGRAM MAIN BOARD POWER PART ...
Page 22: ...7 1 PCB LAYOUT LCD BOARD TOP VIEW 7 1 PCB LAYOUT LCD BOARD BOTTOM VIEW ...
Page 23: ...7 2 CIRCUIT DIAGRAM LCD BOARD 7 2 ...
Page 24: ...7 3 PCB LAYOUT KEY BOARD TOP VIEW 7 3 PCB LAYOUT KEY BOARD BOTTOM VIEW ...
Page 25: ...7 4 CIRCUIT DIAGRAM KEY BOARD 7 4 ...
Page 26: ...8 1 PCB LAYOUT CD BOARD TOP VIEW 8 1 ...
Page 27: ...8 2 PCB LAYOUT CD BOARD BOTTOM VIEW 8 2 ...
Page 28: ...8 3 CIRCUIT DIAGRAM CD BOARD 8 3 ...
Page 29: ...8 4 LAYOUT DIAGRAM MCU BOARD TOP VIEW 8 4 LAYOUT DIAGRAM MCU BOARD BOTTOM VIEW ...
Page 30: ...8 5 CIRCUIT DIAGRAM MCU BOARD 8 5 ...
Page 31: ...8 6 CIRCUIT DIAGRAM MCU BOARD MEMORY PART 8 6 ...