KX-TDA3480XJ, KX-TDA3480X (serv.man2) - Panasonic PBX Service Manual Supplement (repair manual). Page 2

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2
1 CHANGES
1.1.
SUBJECT1
KX-TDA3480XJ
KX-TDA3480X
SUFFIX LOCATION
1.2.
SUBJECT 2
1.3.
REPLACEMENT PARTS LIST
Suffix
Reason for suffix change
A to B
Software change (IC500 : Ver. U321AB to U321AE) 
B to C
INSTRUCTION BOOK change
C to D
Software change (IC500 : Ver. U321AE to U321AF) 
D to E
Software change (IC500 : Ver. U321AF to U321AG) 
Suffix
Reason for suffix change
A to B
Software change (IC500 : Ver. U321AB to U321AE)
B to C
INSTRUCTION BOOK change
C to D
There is no change in the "REPLACEMENT PARTS LIST." 
D to E
Software change (IC500 : Ver. U321AE to U321AF) 
E to F
Software change (IC500 : Ver. U321AF to U321AG) 
Reason for Change (Symbol:A) Following 1-8 reasons are indicated on the Notes in the bottom column.
1. Improve performance
Remarks:
1. Mark *3 has been changed at the same time.
For RoHS-compliant parts marked by *R
*1 Use only RoHS parts (new parts) for the production sets which serial No. labels are 
     after 6CXXXXXXXXX.
*2 Either original or RoHS parts (new parts) can be used for the production sets which 
     serial No. labels are before 6BXXXXXXXXX.
2. Change of material or dimension
3. To meet approved specification
4. Standardization
5. Addition
6. Deletion
7. Correction
8. Other
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