SC-HTB10EB, SC-HTB10EE, SC-HTB10EG, SC-HTB10GN, SC-HTB10GS, SC-HTB10P, SC-HTB10PC - Panasonic Audio Service Manual Supplement (repair manual). Page 5

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This mode can be used during servicing.
Here are the procedures to enter into service mode:
Step 1 : Power-up the main unit.
Step 2 : Press & hold [VOL+] button, [VOL-] button and [POWER] button on main unit.

This unit is equipped with service mode function for:
Step 1 : Checking the region/model and generation no.
Step 2 : Checking the Main micro-p & HDMI micro-p firmware version.

Legend:
“O” means LED ON
“X” means LED OFF

Here are the procedures to check the region/model, generation no. and main firmware version:
Step 1 : Power-up the main unit.
Step 2 : Enter into service mode. (Refer to Section 6.2 for the procedures).
Step 3 : Press [VOL+] to check for the region/model & generation no. (Refer to table 6-2 for information on the LED indication).
Step 4 : Press [VOL+] to check for the main micro-p firmware version no. (Refer to table 6-2 for information on the LED indication).

Table 6-2

The generation bit no. is used for indication of the Model Year. (Refer to table 6-3 for more information).

Table 6-3

The model bit no. is to indicate the software for the specific model. (base on chip-select detection).
(Refer to table 6-4 for more information)

Table 6-4

The region bit no. is to indicate the destination for model. (Refer to table 6-5 for more information).

Table 6-5

Press [VOL+] button on main 
unit for one time

Generation Bit No.

Model Bit No.

Region Bit  1

Region bit 0

O

(Green)

Press [VOL+] button on main 
unit for two times

Bit  4

Bit  3

Bit  2

Bit  1

Bit  0

X

0

2010

O

1

2011

X

0

HTB500

O

1

HTB10/50

X

X

          0 : Japan

X

O

          1 : US

O

X

          2 : Europe/Asia