Sony STR-DA7100ES Service Manual page 31

Pin No. Pin Name
54 DC7
55 SP_BACK
56 VCC
57 SOFT-MUT (SB)
58 MUTE
59 U-USB2
60 to 62 NC
63 DC1
64 CENTER SP
I/O
I Voltage detection terminal for speaker output section
O Relay drive signal (for surround back speaker) output terminal
- Power supply terminal (+3.3V)
O Muting on/off control signal output terminal
I Muting on/off control signal input terminal
O Serial data output to main system controller
- Not used
I Voltage detection terminal for speaker output section
O Relay drive signal output terminal
STR-DA7100ES
Description
31