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TAV-L1 (serv.man5) - Sony Audio Service Manual (repair manual). Page 12

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12
12
2-1. Stand by mode
MAIN SYSTEM CONTROLLER
(IC602)
RESET SIGNAL GENERATOR
(IC603)
(2) Reset signal for MAIN and SUB SYSTEM CONTROLLER
SUB SYSTEM CONTROLLER
(IC901)
RESET 12pin
SUB RESET 84pin
RESET 12pin
“E4V”
D601
D602
D906
By “E4V”, RESET SIGNAL GNERATOR (IC603) boots up and output a 
RESET signal to MAIN SYSTEM CONTROLLER (IC602 12 pin) through 
RESET SW(Q602).
Then, MAIN SYSTEM CONTROLLER boots up.
Next, MAIN SYSTEM CONTROLLER (IC602 84pin) outputs reset signal to 
SUB SYSTEM CONTROLLER (IC901 12pin)
Then, SUB SYSTEM CONTROLLER boots up.
At this time, SUB SYSTEM CONTROLLER is in STOP mode.
This condition is stand by mode.
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