Marantz CDR-500 Sevice Bulletin
Date: 15-May.-2003 Model:
x for information customer
DR6000, DR6050,
CDR631, CDR500
SERVICE BULLETIN
Circulation: Application:
Page: 1 / 1 REF.NBR:MZ02-031
Subject:
Replace the Chip capacitor on the CDR module of
complaint in case of service
mandatory
...................
See Below
MAR770/MAR775.
Int.ref:
[PHENOMENON]
The chip capacitor is likely to be damaged in the inconsistency of voltage proof.
But, a problem symptom doesn't appear.
[SOLUTION]
The chip capacitor is changed to 0.1uF/50V on the CDR Module of MAR770/MAR775.
POS.NO. : 2725
2726
2727
Refer to the following of the service manual.
MAR770/MAR775 CDR Module ( service manual part no.: 385K855020)
CDR MAIN BOARD – BOTTOM VIEW : POWER PART TESTPOINTS
CDR 3rd gen. 7. GB70 position B5
[NECESSARY PART]
DK98104300 ( 0.1uF/50V )
[REMARKS]
This improvement has been done in the production line after
the Lot number MZxxxxxx17xxxx and later.(DR6000)
the Lot number MZxxxxxx13xxxx and later.(DR6050)
the Lot number MZxxxxxx15xxxx and later.(CDR631)
the Lot number MZxxxxxx11xxxx and later.(CDR500)
The Lot number is mentioned the serial number label on the rear panel.
(ex.MZxxxxxx17xxxx)
WQ-19 2 817/additional rule 3 (1st Issue 2003-03-19)
Approved by S.NAGAO Written by
Date: 22-Nov-01 Model:
DR4050/DR6000/DR605
0CDR500/CDR631
Page: 1/1
REF.NB
MZ01-019
SERVICE BULLETIN
Subject:
Circulation: Application:
x for information
customer complaint in
case of service
mandatory
...................
[
PHENOMENON
]
See below
While CD is played or CD-R/RW is recorded, the FL display is frozen and all buttons will
not be worked. (except POWER button.)
[
SOLUTION
]
Replace the DASP IC <POS No.7701> with a new one (8204 056 03460, QC05603460).
Improvement for inoperable all buttons
Int.ref:
[
REMARK
]
<Application LOT number>
DR4050: 01 - 11 LOT
DR6000: 01 - 16 LOT
DR6050: 01 - 12 LOT
CDR500: 01 - 10 LOT
CDR631: 01 - 14 LOT
This improvement has been done in the production line after
the LOT number “12” and later. (DR4050)
the LOT number “17” and later. (DR6000)
the LOT number “13” and later. (DR6050)
the LOT number “11” and later. (CDR500)
the LOT number “15” and later. (CDR631)
The lot number and the service modification code are mentioned in the serial number label on the
rear panel. (ex. MZxxxxxx12xxxx)
Approved by H. Tamura Written by K. Ono
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