Sony STR-DB900 - Board Access and Handling; Electrical Safety Precautions

3
STR-DB900
SECTION 1
SERVICING NOTES
1-1. AMP BOARD, DIGITAL BOARD SERVICE POSITION
In case of checking AMP board or DIGITAL board from bottom side, please remove those with back panel.
1-2. NOTE ON CHECKING AMP BOARD OR DIGITAL BOARD WHILE TURNING ON ELECTRICITY
In case of checking AMP board or DIGITAL board while turning on electricity, please connect with an crocodile clip connector between back
panel and chassis.
AMP board
back panel
DIGITAL board
insulating sheet
AMP board
DIGITAL board
chassis
back panel
crocodile clip connector