SU-HTB520EB, SU-HTB520EG, SB-HWA520EB, SB-HWA520EG, SC-HTB520EB, SC-HTB520EG, SU-HTB520EGK, SB-HWA520EGK - Panasonic Audio Service Manual (repair manual). Page 20

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6.2.2.
Checking of HDMI Micro-p Firmware version
Here are the procedures for checking the HDMI micro-p firmware version no:
Step 1 : Enter into service mode. (Refer to Section 6.2 for the procedures)
Step 2 : Press [VOL-] one to check the region no. (Refer to table 6-7 for information).
Step 3 : Press [VOL-] two time to check the HDMI micro-p firmware version no. (Refer to table 6-7 for information).
Table 6-5
6.2.2.1.
Region Bit No.
The region bit no. is to indicate the HDMI Firmware type. (Refer to table 6-6 for more information).
Table 6-6
Key Operation
LED 1 (TV)
LED 2 (BD/DVD)
LED 3 (DOLBY D)
LED 4 (DTS)
LED 5 (PCM/AAC)
Press [VOL-] button on main 
unit one time
-
-
-
Region bit 4
Region bit 3
Press [VOL-] button on main 
unit two time
Bit 4
Bit 3
Bit 2
Bit 1
Bit 0
Region Bit 4
Region Bit 3
HDMI Software
(DTS)
(PCM/AAC)
X
O
NON JAPAN
O
X
JAPAN
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