Onkyo TX-SR876 Service Manual page 5

E
nalog Switch Volume
Q4304 Q4405
NJU7312A
CS3318
AIN L
AC FL
FL
IX L
AIN R
AC FR
FR
IX R
CH C
AC C
C
H SW
SW
SW
+20dB
CH SL
SL
C SL
SR
SBL
SBR
Q4306
NJU7311A
Analog Switch
0dB FIX
0dB FIX
TONE
0dB FIX
0dB FIX
TONE
Q4204 R2S15211FP
Audio Selector, Volume, Tone
2S
Q3701 Q3721
SD
PCM1796 PCM1796
DAC DAC
TC74VHC157FT
6
F
.
Q3741
PCM1796 PCM1796
DAC
MULTIPLEXER
AMPLIFIERS
HEADPHONES
1
2
3
ZONE2 PREOUT/LINEOUT
L
R
ZONE3 PREOUT/LINEOUT
L
R
Q3761 Q3781
PCM1796
DAC DAC
MAIN MICROPROCESSOR
G
7 CH
POWER
SPEAKER TERMINALS
+29dB
FRONT LEFT
+29dB
FRONT RIGHT
+29dB
CENTER
+29dB
SURROUND LEFT
+29dB
SURROUND RIGHT
+29dB
SURROUND BACK
or Bi-AMP LEFT
+29dB
SURROUND BACK
or Bi-AMP RIGHT
ZONE2 LEFT
ZONE2 RIGHT
PRE OUT
L
FRONT
R
CENTER
SUBWOOFER
L
SURR
R
L
SURR
BACK
R
NAVD-9052 SD-6
12V TRIGGER
12V TRIGGER
CONTROL
OUT ZONE 2
IR
IR IN
REMOTE
SENSOR
IR OUT
NADG-9074 SD-9
RI
RI
INTERFACE
Q3031 ICL3221E
RS-232
RS-232
TRANCEIVER
Q7001
M3087BFKBGP
TX-SR876/SA876
H