Schematic Diagram - Main Board (7/8) - Sony STR-KS1100 Service Manual

Q Q
3 7 6 3 1 5 1 5 0
4-15. SCHEMATIC DIAGRAM – MAIN Board (6/8) –
/RST
/SD
A+3.3V
XFSO
D
(Page 24)
GND
VCC
FSOI
DC_SD
OVF2
OVF1
R309 100
SD
R308 100
RESET
R306 100 C402 100p
LAT3
R305 100 C403 100p
(Page 20) LAT2
R304 100 C404 100p
LAT1
R303 100
SHIFT
R302 100
SCDT
R351 100
SOFT_MUTE
R300 100 C405 0.001
NS_INIT
C406
0.0047
D-GND
R310 100
T E D1
L 1 3 9 4 2 2 9 6 5 1 3
R311 100
D2
R312 100
D3
R313 0
BCKO
R314 100
LRCKO
R315 0
(Page 23)
MCKO
A+3.3V
FSOI
D
VCC
GND
XFSOI
/SD
(Page 26) /RST
PVDD
GVDD
w w w
STR-KS1100
• See page 34 for Waveforms. • See page 34 for IC Block Diagrams.
(6/8)
DC_SD
OVF2
OVF
SD
C317
0.1
RESET
LAT3 OVF
LAT2
R318
470
LAT1
SHIFT
SCDT
SOFT MUTE
INIT
R344 470
FLAGL
OVF
SFLAG
INIT
INIT
MCKSEL
LRCK
LRCK STREAM PROCESSOR
BCK R354 100
BCK
DATA2
DATA
C318 0.1
BFVDD
BFVSS
DATA1 R327 0
C319
TEST
0.1
DATA2
DVDD
DATA3 SCK R357 33
XFSIIN
BCK
LRCK
SCK
C311
0.1
R324
0
x a o
y
. i
http://www.xiaoyu163.com
R378 560 R115
R174
C198
R164
R329 C316 C144
0 0.1 0.1
R154
R144
R134 0 R244
C134
C314
0.1
R377 560 R114
VSSL
OUTL1
VDDL
OUTL2
C315
VSSL
0.1
IC109
VSSR
CXD9876R
OUTR1
VDDR
OUTR2
Q Q R376 560 R113
VSSR
3 7 6
VSUBC
R173
XVSS
C190
C332
47
R163
16V C143
0.1
R153
R143
R133 0 R243
C133
C312 C313
0.1 0.1
R375 560 R112
u 1 6 3
25 25
http://www.xiaoyu163.com
2 4
8 9 9
DIGITAL POWER AMP
IC104
CXD9775M C194 2200 35V
GND
GREG
22k
PWM_BP C114
GVDD 1
GND
PVSS
0
/RST C208 C174 R204
BST_B 0.22 0.22 3.3
DREG_RTN
PVDD_B
0.1
GREG C184
PVDD_B 0.033
0
M3
OUT_B
DREG L134
D204 C224
OUT_B
10µH
P6SMB39AT3
DGND
PVSS
0
M1
PVSS
0 D104 C214
M2
P6SMB39AT3
OUT_A
DVDD
OUT_A
100
/SD C154 L124
PVDD_A 0.033 10µH
0.1
RESV
PVDD_A
/OTW C207 C164 R194
BST_A 0.22 0.22 3.3
GND
PVSS
22k
PWM_AP C104
GVDD 1
GND
GREG
DIGITAL POWER AMP
IC103
CXD9775M C193 2200 35V
GND
GREG
22k
PWM_BP C113
3 1 5 GVDD 1 5 0 1 8 9 2
GND
PVSS
0
/RST C206 C173 R203
BST_B 0.22 0.22 3.3
DREG_RTN
PVDD_B
0.1
GREG C183
PVDD_B 0.033
0
M3
OUT_B
DREG L133
D203 C223
OUT_B 10µH
P6SMB39AT3
DGND
PVSS
0
M1
PVSS
0 D103 C213
M2
P6SMB39AT3
OUT_A
DVDD
OUT_A
100
/SD C153 L123
PVDD_A 0.033 10µH
0.1
RESV
PVDD_A
/OTW C205 C163 R193
BST_A 0.22 0.22 3.3
GND
PVSS
22k
PWM_AP C103
GVDD 1
GND
GREG
m
c o
.
STR-KS1100
2
8 9 9
R139
Q301 0
2SC3052EF-T1
PROTECT
C158
DETECT R395 C385
47
100k 2.2
10V
C288
0.0022
C264
0.0022 C394
2.2
Q107
R224
2SA1235TP-1EF
1 2.7
Q107,108
Q108 OVER LOAD
R214
2SA1235TP-1EF
1 2.7 DETECT
C254
0.0022
C287
0.0022
R364
100k
R407 R408
100k 100k
L114
REAR LCH+
REAR LCH-
R461 R492 R493 R462 L104
10k 10k 10k 10k
(Page 24)
R460 R491 R464 R463
10k 10k 10k 10k
4 9 8 2 9 9
L113
REAR RCH+
C286
REAR RCH-
0.0022
L103
DC_SD
C263 R406 R405
0.0022 100k 100k
C393
R223 (Page 26)
2.2
1 2.7
R213
1 2.7
Q105
C253 2SA1235TP-1EF
0.0022
Q105,106
C285 R363 OVER LOAD
0.0022 100k Q106
DETECT
2SA1235TP-1EF
DC_SD
PVDD
GVDD
(Page 24)