STR-DB900 - Sony Audio Service Manual (repair manual). Page 5

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5
STR-DB900
1-5. NOTE ON CHECKING POWER BOARD WHILE TURNING ON ELECTRICITY 1
In case of checking POWER board while turning on electricity, please connect with crocodile clip connectors between two ground terminals
(EP902, 904) and chassis.
1-6. NOTE ON CHECKING POWER BOARD WHILE TURNING ON ELECTRICITY 2
Do not touch the capacitor (C916) on POWER board while turning on electricity, because of the voltage becomes 350VDC (Max.).
EP902
chassis
EP904
POWER board
crocodile clip connector 
crocodile clip connector
C916
BOARD
POWER  
(SIDE B)
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