![](/html/32/32ef/32ef9ec61f246c9b9c5a1ee4b3fd0594300eaac585a6db72121fde1e5469518c/bg1.png)
28-Sep-2004
SERVICE BULLETIN
Level Application:
Software Update
MZ00xxxxxxxxxx
Date: 25-Sep-2004 Model: SR5500
Page: 1 / 2 REF.NBR: MZ04-063Revised
Subject:
Software Update Information.
Int.ref:
2nd edition. The contents of Level and Subject are changed.
[PHENOMENON]
When Tuner frequency is changed in the direct key input using CRESTRON, the outside of the frequency band
will be displayed.
[CONTENT]
Improvement of the RS232C Tuner command (part) specification in combination with CRESTRON system.
[SOLUTION]
The firmware was fixed.
1. Update the Microprocessor IC28 firmware Version to [V040831 1]
Please see to the service manual page 9 about details of “6. UPDATE FIRMWARE”.
2. Update the firmware is attached to the e-mail.
File name: SR5500_CPU_V040831_1.zip
Attention
Don't start Zip file from attached file.
Please copy on your PC and be sure to use it after defrosting.
[NECESSARY PART]
Update of the firmware CPU program disc.
Disc Part no. 90M-SR5500CDR (SR5500_CPU_V040831_1.zip)
[REMARKS]
1. This problem apply to the following serial number.
SR5500/N1S from MZ000431000001 to MZ MZ000431001588
SR5500/N1G from MZ000431000001 to MZ MZ000431000250
SR5500/N1B from MZ000431000001 to MZ MZ000431000950
SR5500/U1B from MZ000434000001 to MZ MZ000434000700
2. This improvement has been done in the production service code MZ01 and after.
Approved by S.NAGAO Written by
WQ-19 2 817
/additional rule 3 (1st Issue 2003-03-19)
![](/html/32/32ef/32ef9ec61f246c9b9c5a1ee4b3fd0594300eaac585a6db72121fde1e5469518c/bg2.png)
SR5500 SERVICE BULLETIN (REF.NBR: MZ04-063) page2/2
This is used
This is used
File name for Update Disc of 90M-SR5500CDR
SR5500_CPU_V040831_1.zip
V 0 4 0 8 3 1 1
Approved by S.NAGAO Written by
WQ-19 2 817
/additional rule 3 (1st Issue 2003-03-19)