Ic Block Diagrams - Onkyo TX-SV515PRO / II Service Manual

TX-SV515PRO
IC BLOCK DIAGRAMS AND DESCRIPTIONS
Q602
NJM2177L / M69032P (Dolby Pro Logic)
C-RECT-OUT | 1] | 56] S-RECT-OUT
R-RECT-OUT 55] VLR-TC2
Noise Sequencer | :
L-RECT-OUT VLR-TC1
S-RECT-TC VCS-TC1
C-RECT-TC VCS-TC2
L-BPF-OUT | 6 | VCS-TC3
OPERATION AND CENTER MODE CONTROL
L-BPF-IN VLR-TC3
L-RECT-TC | 8 |
NR-TC
2
oe
R-BPF-OUT | 9 |
LPF-NINV-IN
é
LPF non-inversion output x =
R-BPF-IN |10|
LPF-INV-IN
=
LPF inversion input =
R-RECT-TC
LPF-OUT
3
LPF output
GND NR-WT
AB-GATE VREF
AB-HOLD-TC | 14] VREF
L-AB-IN | 15] NR-IN
Auto balance L ch input NR input
L-AB-OUT | 16] NR-VCF
Auto balance L ch output
L-IN IREF
Left channel input
L-INBUF-OUT S'-OUT
L ch inpuyBuffer output EB
Surround output before delay processing
A
R-INBUF-OUT
C-OUT
Ss
R ch inputBoffer output
Center channel output
R-IN
Vec
ta
Light channel input ea
E
R-AB-OUT
CENTER-MODE
a
Auto balance R ch output
3
R-AB-IN
L-R-OUT
8
Auto balance R ch input
Substracter output (L-R)
a
NOISE-CNT-E } 23
L+R-OUT
&
Signal/Noise selector
ee
Adder output (L+R)
=)
NOISE-CNT-A
R-OUT
Noise output selector i
Right channel output
oi OSE-CNTB 25]
L-OUT
loise output selector
Left channel output
NOISE-REF } 26|
MODE-CNT
2/3/4 channels switch
CENTER-CNT
Center channel ON/OFF switch
29 | S-OUT
Surround output
NOISE-HPF
NOISE-LPF 28}
| POLARITY SPLITTER
2x = DUAL-TIME CONSTANT
AND THRESHOLD SWITCHES
2x
|| DIFFERENCE
AMPLIFIERS