Read Sony SRS-DB500 Service Manual online
SRS-DB500
SRS-DB500
9
9
4-2. BLOCK DIAGRAM - AMP Section -
DIGITAL POWER AMP
IC551
STREAM PROCESSOR
IC451
31 DATA
OVER LOAD
DETECT
Q552, 553
SYSTEM CONTROLLER
IC001 (2/3)
30 BCK
29 LRCK
36 XfsiIN
29 LRCK
36 XfsiIN
21 SCDT
SM_DATA
22 SCSHIFT
SM_CLK
23 SCLATCH
SM_LATCH1
27 INIT
SM_INIT
OVFFLAGL
X471
49.1MHz
L.P.F.
L.P.F.
19 SOFTMUTE
18 NSPMUTE
18 NSPMUTE
SM_SOFT_MUTE
SM_NSP_MUTE
SM_NSP_MUTE
SM_SOFT_MUTE
OUTL1 11
OUTL2 9
XfsoIN 48
FsoCKO 37
XfsoOUT 14
FsoI 38
SM_DATA
SM_CLK
SM_LATCH2
SM_INIT
SM_CLK
SM_LATCH2
SM_INIT
24 OVFFLAGR
SM_LATCH1
SM_LATCH2
SM_LATCH2
SM_INIT
25
CLOCK
BUFFER
IC471
_
_
TB601
OVER LOAD
DETECT
Q503, 504
L.P.F.
L.P.F.
+
OVER LOAD
DETECT
Q501, 502
L.P.F.
L.P.F.
+
DIGITAL POWER AMP
IC501
DC DETECT
Q551
SM_LATCH1
SM_LATCH2
SM_LATCH2
35
SM_CLK
SM_CLK 34
SM_DATA
SM_DATA 33
36
SM_INIT 37
SM_NSP_MUTE
SM_NSP_MUTE 38
SM_OTW 51
SM_OVF 25
SM_SOFT_MUTE
SM_SOFT_MUTE 23
SM_SD 29
DC_DETECT 27
SM_RESET 52
PWM_B
6 PWM_A
8
PWM_D
16 PWM_C
18
/SD
PWM_A
OUT_B
6
PWM_D
18
PWM_B
8
PWM_C
16
SM_OTW
2
5
RESET_A
7
RESET_C
6,*1$/3$7+
: AUDIO
SM_NSP_MUTE
A/D CONVERTER
IC351
13 VINL
14 VINR
14 VINR
DOUT 9
BCK 8
LRCK 7
SCKI 6
A/D CONVERTER
IC301
13 VINL
14 VINR
DOUT 9
BCK 8
LRCK 7
SCKI 6
A
WF
B
SP_L
SP_R
STREAM PROCESSOR
IC401
31 DATA
30 BCK
29 LRCK
36 XfsiIN
29 LRCK
36 XfsiIN
21 SCDT
22 SCSHIFT
23 SCLATCH
27 INIT
22 SCSHIFT
23 SCLATCH
27 INIT
OVFFLAGL
19 SOFTMUTE
18 NSPMUTE
18 NSPMUTE
OUTL1 11
OUTL2 9
OUTR1 6
OUTR2 4
XfsoIN 48
FsoI 38
24 OVFFLAGR
25
25
X472
12.288MHz
CLOCK
BUFFER
IC473
OUT_A 39
36
L.P.F.
L.P.F.
OUT_C
OUT_D 28
31
OUT_B
OUT_A 39
36
OUT_D
OUT_C 31
28
R
SPEAKER
L
SP1
(SUBWOOFER)
C
SW+
+3.3V
EEPROM
IC003
EEP_SDA 18
EEP_SCL
XOUT XIN
17
9
11
17
/SD
SM_OTW
2
5
RESET_A
7
RESET_C
17
X101
20MHz
(Page 8)
(Page 8)
(Page 8)
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