Read Sony HT-SS380 / STR-KS380 Service Manual online
STR-KS380
STR-KS380
12
12
5-4. BLOCK DIAGRAM - AMP Section -
+
H
AMP_DATA1 – AMP_DATA3,
AMP_BCK1, AMP_LRCK1, AMCK1
L
SD
AMP_BCK1
AMP_DATA1
AMP_DATA2
DIGITAL POWER AMP
IC2005
STREAM PROCESSOR
IC2000
31 DATA1
OVER LOAD
DETECT
Q2005
SYSTEM CONTROLLER
IC1008 (3/4)
30 BCK
AMP_LRCK1
29 LRCK
36 XFSIIN
21 SCDT
21 SCDT
SC_SCDT
AMCK1
AMP_DATA3
22 SCSHIFT
SC_SHIFT
23 SCLATCH
LAT1
27 INIT
INIT
24 OVF FLAGR
25 OVF FLAGL
25 OVF FLAGL
OVF FLAGL
OVF FLAGL
OVFW
X2000
49.152MHz
L.P.F.
L.P.F.
OVF1
19 SOFT MUTE
SOFT_MUTE
18 NSP MUTE
20 PGMUTE
20 PGMUTE
PGMUTE
NSPMUTE
19 SOFT MUTE
SOFT_MUTE
19 SOFT MUTE
SOFT_MUTE
OUTL1(+) 11
OUTL2(–)
9
OUTR1(+)
6
OUTR2(–)
4
XFSOIN 48
FSOCKO 37
XFSOOUT 14
FSOI 38
STREAM PROCESSOR
IC2001
31 DATA2
30 BCK
29 LRCK
36 XFSIIN
21 SCDT
21 SCDT
SC_SCDT
22 SCSHIFT
SC_SHIFT
23 SCLATCH
LAT2
27 INIT
INIT
24 OVF FLAGR
25
25
OUTL1(+) 11
OUTL2(–)
9
OUTR1(+)
6
OUTR2(–)
4
XFSOIN 48
XFSOOUT 14
FSOI 38
STREAM PROCESSOR
IC2002
31 DATA3
30 BCK
29 LRCK
36 XFSIIN
21 SCDT
21 SCDT
SC_SCDT
22 SCSHIFT
SC_SHIFT
23 SCLATCH
LAT3
27 INIT
INIT
18 NSP MUTE
20 PGMUTE
20 PGMUTE
NSP_MUTE
PGMUTE
PGMUTE
24 OVF FLAGR
LAT1
LAT2
LAT3
LAT2
LAT3
INIT
25
OUTR1(+)
6
OUTR2(–)
4
OUTL1(+) 11
OUTL2(–)
9
XFSOIN 48
FSOI
CLOCK
BUFFER
IC2004
FRONT L
+
_
_
_
_
_
OVER LOAD
DETECT
Q2003
L.P.F.
L.P.F.
FRONT R
+
TB2002
TB2001
+
_
OVER LOAD
DETECT
Q2007
OVER LOAD
DETECT
Q2009
OVER LOAD
DETECT
Q2011
L.P.F.
L.P.F.
SUR L
SPEAKERS
SUR R
SUBWOOFER
+
OVER LOAD
DETECT
Q2013
L.P.F.
L.P.F.
CENTER
+
DIGITAL POWER AMP
IC2007
L.P.F.
L.P.F.
DIGITAL POWER AMP
IC2006
/SD
PWM_A
OUT_C
OUT_D
6
PWM_B
8
31
28
5
/RESET
7
DC DETECT
Q2017
DAMP_LATCH1
DAMP_LATCH2
DAMP_LATCH3
DAMP_LATCH3
69
70
71
70
71
DAMP_INIT 97
OVF1
OVERFLOW1 88
OVFW
OVERFLOW2 89
SOFT_MUTE
SOFT_MUTE 100
NSP_MUTE
NSP_MUTE 99
DRIVE_OCP 74
DC_DET 83
DRIVE _RST(EN) 98
L.P.F.
L.P.F.
PWM_D
OUT_B
OUT_A
16 PWM_C
18
39
36
/RESET
17
/SD
PWM_C
OUT_C
OUT_D
16
PWM_D
18
31
28
5
/RESET
7
PWM_B
OUT_B
OUT_A
6
PWM_A
8
39
36
/RESET
17
/SD
PWM_C
OUT_C
OUT_D
16
PWM_D
18
31
28
5
/RESET
7
PWM_A
OUT_B
OUT_A
6
39
PWM_B
8
36
/RESET
17
18 NSPMUTE
20 PGMUTE
20 PGMUTE
NSPMUTE
PGMUTE
PGMUTE
PROTECT DETECT
Q2018 – 2019
+31.5V
RESET
Q2020 – 2021
+3.3V
AMP_BCK1
AMP_LRCK1
AMCK1
AMP_BCK1
AMP_LRCK1
AMCK1
P
SC_SHIFT,
SC_SCDT
SC_SCDT
(PAGE 11)
(PAGE 9)
(PAGE 13)
6,*1$/3$7+
: AUDIO (DIGITAL)
38
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