Schematic Diagram - Amp Section (1/2) - Sony HT-ST9 Service Manual

HT-ST9
Ver. 1.1
5-7.

SCHEMATIC DIAGRAM - AMP Section (1/2) -

1 2 3 4
A
AMP BOARD (1/2)
CN7001
9P
CL7002 JL7047
VACS_REQ 9
CL7003
8
PVDD_28V
B JL7003
PVDD_28V 7
>01S JL7005
PVDD_28V 6
CL7004
POWER P_GND 5
JL7004
BOARD
P_GND 4
CN904
JL7006
(Page 71)
P_GND 3
CL7005 JL7048
UN12V 2
CL7006 JL7049
GND 1
C7188
1000p
C
D
E
C7004
0.1
C7005
L7001
0.001
22uH
R7004
47k
F
CN7004
C7190
6P
1000p
CL7016 JL7050
GND 6
CL7017 JL7051 R7003
4.7k
V2_12-17V 5
CL7018 JL7013
MB1406
E5.2V 4
BOARD
(1/6)
E5.2V 3
C7060
CL7019 JL7015
1000p
G
DD_GND 2
DD_GND 1
H
CL7015
LN7003
(CHASSIS)
ET7003
LN7008
I
(CHASSIS)
ET7002
LN7005
(CHASSIS)
ET7001
LN7001
(CHASSIS)
J
HT-ST9
• See page 72 for Waveforms. • See page 72 for IC Block Diagrams.
5 6 7 8
F7001
2A
32V
0
C7014 C7017 C7020 C7013
1000p 470 470 0.1
35V 35V
3.1
Q7003
LTC044TUBFS8TL
OVERFLOW DETECT
C7012 L7004
10 2.2uH FB7004
IC7001
DC/DC CONVERTER
1
IC7001
RT7272BGSP
12.1 1 8 28
SW VIN
16.5 2 7 0.3
BOOT RLIM
3.1 3 6 1
EN COMP
4 5 0.7
GND FB
C7018
0.0027
R7008 R7011 R7009 C7024 C7023
3.3k 47k 47k 10 1000p
50V
C7001 C7002 C7027 C7025
22 22 JL7001 CL7001 47 0.1
25V
FB7001 R7006
FB7003
22k
L7003
5.3 4
2.2uH
EN
12.1 5
VIN
5.2 6
SW
L7002
4.7uH
FB7002
C7011 C7008
10
C7003
10V
9 10 11 12
AMP
(Page 65)
>001S
BOARD
(2/2)
JL7007
Q7004
QM2401C1
12.1
S
12.1
C7028
R7016
C7026 100
100k
1 0.1 16V
Q7006 C7065
R7017 LTC014EUBFS8TL 1
10k
0
C7074
10
Q7004, 7006 2.9
B+ SWITCH
C7079
0.1
PCON_AMP
C7029
0.001
PCON_ON
IC7003
DC/DC CONVERTER
2
IC7003
RT7295CGJ6F
3 0.5 C7077
FB 10
2
GND
1 10
BOOT
C7068
0.0047
C7019
0.1
R7042 C7071
0.047
470
C7022
JL7002
39p
C7075
R7043
0.047
470
R7007 R7012
18k 18k
C7078
0.0047
C7007 R7013
22 22 4.7k
C7189 C7015 C7083 C7088 L7013
D7001
100 1000p 1 470 470 10uH
RB520SM-30T2R
6.3V 6.3V
3
IC7002
+3.3V REGULATOR
IC7002
MM1836A33NRE
3.2 4 3
VOUT NC
2
GND
4.8 5 1 3
VIN CONT
C7010
1
64 64
13 14 15 16
R7062
47
R7066 C7104
10k 10
IC7006
STREAM PROCESSOR
IC7006
TAS5538DGGR
PCON_ON
D4
SCL
D2
SDA
MUTE
D3
PDN
RESET
D1
R7058
10k
LRCK
L7015
4
10uH
BCK
5
C7107 C7093
10 10
MCK
C7016
0.001
DRIVER_SD
DC_PRT
PCON_AMP
PCON_1
Note: When the C7017 and C7020 on the AMP board are replaced,
refer to "BOND FIXATION OF ELECTRIC PARTS" on page 9.
17 18 19
C7102 C7100
1 (Except LA) 0.01
0.01 (LA)
CN7006
R7075 28P
1k JL7038
1 PCON_ON
JL7036
R7074
2 DGND
47
JL7037
3 AMP_D4(SRB)
R7073
4 DGND
47
JL7035
5 AMP_D2(SL/SR)
R7071
6 DGND
47 JL7034
7 AMP_D3(C/SW)
R7070
8 DGND
47
JL7033
9 AMP_D1(FL/FR)
R7069
10 DGND
47
JL7032
11 AMP_LRCK
R7068
12 DGND
47 JL7031
FFC1
13 AMP_BCK
R7067
MB1406
14 DGND
47
JL7030 BOARD
(2/6)
15 AMP_MCK
R7063
16 DGND
100
MUTE JL7028
17 AMP_MUTE
R7061 100 JL7027
18 OVF1
R7065 100 JL7029
RESET
19 AMP_INIT
R7060 100 JL7026
20 DRIVER_SD
JL7025
21 DC_PRT
R7057 1k JL7024
22 PCON_AMP
R7056 100 JL7023
PDN
23 AMP_PDN
R7052
24 DGND
100
JL7019
SDA
25 AMP_SDA
R7054
26 DGND
100
SCL JL7021
27 AMP_SCL
JL7018
28 PCON_1
R7046
1k