Read Sony STR-DB725 / STR-DB825 Service Manual online
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O
O
O
O
O
—
I
O
O
I
O
O
I
I
O
I
O
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O
O
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O
O
O
O
O
O
—
O
O
Direct pass relay
Surround relay
Center relay
Front relay
Mix/sub relay
+5 V
Protector in
Power relay
Bass boost
Speaker off
Volume –
Volume +
Function control A
Function control B
Volume LED
Power switch in
5.1/DVD input LED
Direct pass LED
Muting LED
Tone LED
Surround LED
Index LED
PHONO LED
TUNER LED
CD LED
TAPE/MD LED
TV/LD LED
VIDEO 3 LED
VIDEO 2 LED
VIDEO 1 LED
FL segment signal output
FIP pull down (–35 V)
FL segment signal output
FL gride signal output
DIRECT.PASS
SUR.RY
CENTER.RY
FRONT.RY
MIX/SUB.RY
VDD.+5V
PROTECTOR.IN
POWER.RY
BASS.BOOST
SP.OFF
VOL–
VOL+
RE.A
RE.B
VOL LED
POWER.KEY
5.1.INPUT. LED
DIRECT.PASS.LED
MUTING.LED
TONE.LED
SURR.LED
INDEX.LED
PHONO.LED
TUNER.LED
CD.LED
MD/TAPE.LED
TV/DBS.LED
VIDEO3.LED
VIDEO2.LED
VIDEO1.LED
P1 to P8
VLOAD
P9 to P17
G12 to G1
Pin No.
Pin Name
I/O
Function
• Abbreviation
FL
: Fluorescent indicator tube
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