Read Sony HT-SF1200 / HT-SS1200 / STR-KS1200 Service Manual online
STR-KS1200
STR-KS1200
13
13
5-4. BLOCK DIAGRAM - AMP Section -
+
H
D1 – 3, MCKO
BCKO, LRCKO
BCKO, LRCKO
L
SD
BCKO
D1
D2
DIGITAL POWER AMP
IC3150
STREAM PROCESSOR
IC3010
31 DATA
OVER LOAD
DETECT
Q3151, 3152
SYSTEM CONTROLLER
IC1018 (3/4)
30 BCK
LRCKO
29 LRCK
36 XFSIIN
21 SCDT
21 SCDT
SCDT
MCKO
BCKO
LRCKO
MCKO
D3
BCKO
LRCKO
MCKO
22 SCSHIFT
SHIFT
23 SCLATCH
LAT1
27 INIT
INIT
24 OVF FLAGR
25 OVF FLAGL
25 OVF FLAGL
OVF FLAGL
OVF FLAGL
OVFW
X3051
49.1MHz
L.P.F.
L.P.F.
OVF1
19 SOFT MUTE
SOFT_MUTE
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
IC3020
31 DATA
30 BCK
29 LRCK
36 XFSIIN
21 SCDT
21 SCDT
SCDT
22 SCSHIFT
SHIFT
23 SCLATCH
LAT2
27 INIT
INIT
24 OVF FLAGR
25
25
OVF1
OUTL1(+) 11
OUTL2(–) 9
OUTR1(+) 6
OUTR2(–) 4
XFSOIN 48
XFSOOUT 14
FSOI 38
STREAM PROCESSOR
IC3030
31 DATA
30 BCK
29 LRCK
36 XFSIIN
21 SCDT
21 SCDT
SCDT
22 SCSHIFT
SHIFT
23 SCLATCH
LAT3
27 INIT
INIT
24 OVF FLAGR
SCDT
SHIFT
LAT1
LAT2
LAT3
LAT2
LAT3
INIT
25
OVF1
OUTR1(+) 6
OUTR2(–) 4
OUTL1(+) 11
OUTL2(–) 9
XFSOIN 48
FSOI 38
CLOCK
BUFFER
IC3051
FRONT L
+
_
_
_
_
_
DIGITAL POWER AMP
IC3100
OVER LOAD
DETECT
Q3101, 3102
L.P.F.
L.P.F.
FRONT R
+
TB3002
TB3001
+
_
OVER LOAD
DETECT
Q3201, 3102
OVER LOAD
DETECT
Q3301, 3302
OVER LOAD
DETECT
Q3251, 3252
L.P.F.
L.P.F.
SUR L
SPEAKERS
SUR R
SUBWOOFER
+
DIGITAL POWER AMP
IC3200
OVER LOAD
DETECT
Q3401, 3402
L.P.F.
L.P.F.
CENTER
+
DIGITAL POWER AMP
IC3300
L.P.F.
L.P.F.
DIGITAL POWER AMP
IC3250
/SD
DIGITAL POWER AMP
IC3500
PWM_B
OUT_B
14
PWM_A
6
4
/RESET
5
/SD
PWM_B
OUT_B
OUT_A
14
PWM_A
6
4
/RESET
5
DC DETECT
Q3551
SCDT 13
SHIFT 2
LAT1
LAT2
LAT3
LAT2
LAT3
5
6
7
6
7
INT 14
OVF1
OVF 17
OVFW
OVFW 20
SOFT_MUTE
SOFT_MUTE 1
POWER SD 12
DC_DET 24
POWER_RESET 4
DIGITAL POWER AMP
IC3400
L.P.F.
L.P.F.
L.P.F.
/SD
PWM_B
OUT_B
OUT_A
6 PWM_A
14
4
/RESET
5
/SD
PWM_BP
OUT_B
OUT_A
14
PWM_AP
6
4
/RESET
5
/SD
PWM_B
OUT_B
OUT_A
6 PWM_A
14
4
/RESET
5
/SD
PWM_B
OUT_B
OUT_A
14
PWM_A
6
4
/RESET
5
/SD
PWM_A
OUT_B
OUT_A
6
PWM_B
14
4
/RESET
5
• SIGNAL PATH
: AUDIO (ANALOG)
OUT_A
L.P.F.
OVER LOAD
DETECT
Q3451, 3452
PROTECT DETECT
Q3552, 3553
+31.5V
28 – 30
: AUDIO (DIGITAL)
28 – 30
28 – 30
28 – 30
28 – 30
28 – 30
28 – 30
25 – 27
25 – 27
25 – 27
25 – 27
25 – 27
25 – 27
25 – 27
(Page 12)
(Page 14)
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