(No.MA596<Rev.005>)7/28
SECTION 2
SPECIFIC SERVICE INSTRUCTIONS
2.1 How to repair a fuse pattern
2.1.1 Purpose of fuse pattern
In order to prevent serious damage on the circuit, fuse pattern is prepared on the GND line of RCA Terminal. This damage may
take due to improper part replacement with a external equipment via RCA line.
2.1.2 Repair Procedure
(1) Check the shorted circuit at the meltdown point.
Need to clean up if the shorted circuit or carbonization happen at the fuse pattern.
(2) Add following part on the fuse pattern.
(3) Check output level.
2.1.3 After finished repair
Due to improper part replacement, this meltdown occurs.
Thus please notice following information when the unit is returned to your customer.
Things to be checked before installing the unit.
(1) Check the GND line of external amplifier or other equipment which must connect properly.
(2) Check whether the GND line is not short-circuited with the battery terminal. (do not short-circuit these lines)
2.2 How to identify the CD mechanism ASSY
Identification number of the 14 characters are printed on the CD mechanism ASSY upper surface.
Part Number Part Name SPEC
F53-0513-08 PATTERN FUSE 4A
Meltdown point
Production site Made at JEIN Made at JKEM
CD mechanism ASSY FC2-2A00NXN X92-6820-01
PWB ASSY LVA20106-01A X32-6680-00
PW BOARD LVB20106-001B J76-0898-12
Identification number
xxxxxxNxxxxxxx
The 7th character is "N".
xxxxxxWxxxxxxx
The 7th character is "W".
The 7th character
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