Block Diagram- Amp Section - Sony STR-KS370 Service Manual

STR-KS370
5-4. BLOCK DIAGRAM - AMP Section -
AMP_DATA1 – AMP_DATA3,
AMP_BCK1, AMP_LRCK1, AMCK1
(PAGE 13)
H
SC_SHIFT,
SC_SCDT
SC_SCDT
(PAGE 11) P
SC_SHIFT
SC_SCDT
SC_SHIFT
SC_SCDT
SC_SHIFT
SYSTEM CONTROLLER
IC1005 (3/4)
DAMP_LATCH1 82
DAMP_LATCH2 79
DAMP_LATCH3 80
DAMP_INIT 76
OVERFLOW1 83
OVERFLOW2 84
DAMP_SOFT_MUTE 72
DAMP_NSP_MUTE 56
DRIVE _RST(EN) 81
DRIVE OPC (DIAG) 20
DC_DET 46
SD
(PAGE 15)
L
STR-KS370
STREAM PROCESSOR
IC2000
AMP_DATA1
31 DATA1 OUTL1(+) 11
AMP_BCK1 OUTL2(–) 9
30 BCK
OUTR1(+) 6
AMP_LRCK1
29 LRCK
OUTR2(–) 4
AMCK1
36 XFSIIN
21 SCDT
22 SCSHIFT XFSOIN 48
LAT1
23 SCLATCH
INIT
27 INIT
XFSOOUT 14
24 OVF FLAGR
25 OVF FLAGL FSOCKO 37
SOFT_MUTE
19 SOFT MUTE FSOI 38
NSPMUTE
18 NSP MUTE
PGMUTE
20 PGMUTE
STREAM PROCESSOR
IC2001
AMP_DATA2
31 DATA2 OUTL1(+) 11
AMP_BCK1 OUTL2(–) 9
30 BCK
OUTR1(+) 6
AMP_LRCK1
29 LRCK
OUTR2(–) 4
AMCK1
36 XFSIIN
21 SCDT
22 SCSHIFT
LAT2
23 SCLATCH XFSOIN 48
INIT
27 INIT
XFSOOUT 14
24 OVF FLAGR
25 OVF FLAGL FSOI 38
SOFT_MUTE
19 SOFT MUTE
NSPMUTE
18 NSPMUTE
PGMUTE
20 PGMUTE
STREAM PROCESSOR
IC2002
AMP_DATA3
31 DATA3 OUTR1(+) 6
OUTR2(–) 4
AMP_BCK1
30 BCK
OUTL1(+) 11
AMP_LRCK1
29 LRCK
OUTL2(–) 9
AMCK1
36 XFSIIN
21 SCDT
22 SCSHIFT XFSOIN 48
LAT3
23 SCLATCH
INIT
27 INIT
OVFW
24 OVF FLAGR
OVF1
FSOI 38
25 OVF FLAGL
SOFT_MUTE
19 SOFT MUTE
NSP_MUTE
18 NSP MUTE
PGMUTE
20 PGMUTE
LAT1
LAT2
LAT3
INIT
OVF1
OVFW
SOFT_MUTE
NSP_MUTE
DIGITAL POWER AMP
IC2005
OUT_A
6 PWM_A 39
8 PWM_B OUT_B 36
17 /RESET
CLOCK
BUFFER
IC2004
X2000
49.152MHz
16 PWM_C OUT_C 31
18 PWM_D OUT_D 28
7 /RESET
/SD
5
DIGITAL POWER AMP
IC2006
6 OUT_A 39
PWM_A
8 PWM_B OUT_B 36
17 /RESET
16 PWM_C OUT_C 31
18 PWM_D OUT_D 28
7 /RESET
5 /SD
DIGITAL POWER AMP
IC2007
16 PWM_C OUT_A 39
18 OUT_B 36
PWM_D
17 /RESET
6 PWM_A OUT_C 31
8 PWM_B OUT_D 28
7 /RESET
/SD
5
RESET
Q2020 – 2021
PROTECT DETECT
Q2018 – 2019
DC DETECT
Q2017
14 14
TB2002
+
L.P.F.
_ FRONT L
L.P.F.
OVER LOAD
DETECT
Q2005, 2006
+
L.P.F.
_ FRONT R
L.P.F.
OVER LOAD
DETECT
Q2003, 2004
+
L.P.F.
_ SUR L
L.P.F.
OVER LOAD
DETECT
Q2007, 2008
+
L.P.F.
_ SUR R
L.P.F.
OVER LOAD
DETECT
Q2013, 2014
TB2001
+
L.P.F.
_ CENTER
L.P.F.
OVER LOAD
DETECT
Q2009, 2010
+
L.P.F.
_
SUBWOOFER
L.P.F.
OVER LOAD
DETECT
Q2011, 2012
+3.3V
SIGNAL PATH
+31.5V
: AUDIO (DIGITAL)
: AUDIO (ANALOG)
SPEAKERS