Sony HT-ST7 Service Manual ▷ View online
HT-ST7
HT-ST7
49
49
4-19. SCHEMATIC DIAGRAM - PANEL Section -
• See page 52 for Waveforms. • See page 52 for IC Block Diagrams.
88
3.3
-0.3
7.9
7.9
-0.3
11
12
11
3.2
3
2
2
2.6
0
0
0
33k
R804
47
R802
47
R803
10V
100
C802
VCC
OUT
GND
PNA4823M02S0
IC801
1
2
3
100
R806
DZ2J056M0L
D803
0.1
C809
0.015
C803
JL811
50V
10
C808
100
R807
10
C805
BA
V99-215
D801
BA
V99-215
D802
JL803
JL801
JL804
JL805
JL806
JL807
JL808
JL809
JL802
KTC3552T
Q801
KTC3552T
Q802
10
R808
10
R809
0.1
C810
0.1
C811
JL810
JL812
JL813
JL814
JL815
JL816
JL817
JL818
JL819
JL820
JL821
JL822
JL823
100
R812
100
R813
100
R814
100
R815
C812
0.01
C813
220p
C814
220p
C815
220p
R805
1k
C807
1
MM1836A33NRE
IC802
1
CN
2
GND
3
NC
4
V
out
5
Vi
n
C816
1
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
15P
CN801
E4V
LED_PW
LED_BT
LED_MUTE
DGND_FL
DGND_FL
FL_RESET
8V
8V
FL_DATA
FL_CS
FL_CLK
DGND
SIRCS
E3.3V
JL824
JL825
JL826
JL827
SML-D12D8WT86SQ
D806
LTC023JUBFS8TL
Q805
0.1
C818
LTC023JUBFS8TL
Q803
0.1
C819
100
R817
100
R818
0.1
C817
LTC023JUBFS8TL
Q804
100
R816
4700p
C806
JL829
JL828
C824
220p
CL-194S-HB8SP-SD-T
D805
SL-194S-WS-SD-T
D804
E
100uH
L801
2
3
5
6
8
7
1
4
9
T801
R810
47k
ND802
1
F1
26
Data
27
Clock
28
CS
29
Reset
30
OSC
31
Vdd
32
VH
33
P_GND
34
DGND
38
F2
2
F1
24
Te
st
B
25
Te
st
A
37
F2
3.3k
R801
REMOTE CONTROL RECEIVER
IC801
MUTING
+3.3V REGULATOR
IC802
FLUORESCENT INDICATOR TUBE
DISPLAY BOARD
MAIN
BOARD
CN1005
>05S
(6/7)
DISPLAY OFF
INDICATOR
INDICATOR
Bluetooth
LED DRIVE
LED DRIVE
LED DRIVE
TRANSFORMER
DC/DC CONVERTER
OSC
OSC
FFC6
15
6
12
17
3
G
13
4
F
5
2
7
C
H
11
14
16
E
9
B
8
A
10
D
18
1
JL753
JL754
JL755
2.2k
R751
JL751
0.1
C751
0.1
C752
2.2k
R754
0.1
C755
5P
CN751
1
DGND
2
KEY0
3
KEY1
4
KEY2
5
DGND
S751
/
S752
INPUT
S755
S753
VOLUME –
S754
VOLUME +
KEY BOARD
(6/7)
>06S
MAIN
CN1007
BOARD
BLUETOOTH
PAIRING
FFC7
(Page 40)
(Page 40)
HT-ST7
HT-ST7
50
50
4-20. PRINTED WIRING BOARD - POWER Board -
•
: Uses unleaded solder.
• See page 34 for Circuit Boards Location.
CL501
CL502
CL503
CL504
CL505
CL506
CL507
CL508
CL509
CL510
CL511
CL514
CL515
Q501
CAM501
PATTERN
SPARK-GAP
R501
R515
R516
R519
R520
R521
R522
R523
R525
R526
R531
R534
R535
R538
R540
R541
C505
R542
R543
C507
R544
R545
R548
C512
C514
C515
JL501
JL502
JL503
JL504
JL505
JL506
JL507
JL508
C525
C530
C537
D501
D502
D504
D507
D508
D512
D513
D514
D516
D518
IC502
+
-
1
3
C
E
5
1
6
2
1
7
1
5
JS501
JS502
F501
F502
A501
A502
PH502
L502
LINE FILTER
L505
L506
VDR501
R502
R517
R518
CN501
CN502
CN503
R528
R533
C501
FH501
FH502
C503
C504
TH501
C508
C509
C511
C513
C516
C517
C519
C520
C522
C524
C526
C527
C528
C533
C534
C535
JW501
JW502
JW503
JW504
JW505
JW506
JW507
JW508
JW509
D511
ET501
ET502
D517
ET503
D519
D521
IC501
T501
POWER
TRANSFORMER
L501
LINE FILTER
POWER BOARD
1-888-226-
11
(11)
(CHASSIS)
(CHASSIS)
AC1
(AC IN)
(AEP, RU, UK, AUS, SP)
(US, CND,TW)
(US, CND,TW)
K
A
1
2
4
3
AMP
BOARD
CN3004
>08P
MAIN
BOARD
CN601
>07P
(CHASSIS)
3
1
4
2
(US, CND,TW)
(US, CND,TW)
E
1
8
18
11
(US, CND,TW)
A
B
C
D
1
2
3
4
5
6
7
8
9
10
(Page 42)
(Page 43)
Ver. 1.1
HT-ST7
HT-ST7
51
51
4-21. SCHEMATIC DIAGRAM - POWER Board -
• See page 52 for IC Block Diagrams.
23.1
2.4
24.2
23.1
0.8
0.5
0.9
19.9
265.7
20
20.7
20.5
220k
R540
JL503
D518
UDZSUSTE-1730B
C508
CL501
0.01
C525
JL507
JL505
C503
35V
2200
C526
310V
0.22
C501
C504
JL501
FMX-22SL
D521
CL507
JL502
4.7k
R542
E
ET501
R533
0.33
1W
JL506
1
3
3P
CN501
LIVE
2
NC
NEUTRAL
PS2561AL1-1-V-W
PH502
1
2
3
4
4
3
1
2
MM1431CURE
IC502
NC
AK
Vr
ef
33k
R545
~
~
D3SB60F3
D511
1
2
3
4
SARS10
D517
4.7
R531
3W
100k
R528
100
R526
1
2
3
4
5
6
7
IC501
D
S/GND
Vcc/OVP
GND
FB/OLP
BD
NC
R523
4.7k
100k
R525
DZ2J220M0L
D507
DZ2J180M0L
D508
4700p
C514
47k
R521
10
C512
100p
C507
2.2k
R520
27k
R522
DZ2J160M0L
D512
C505
0.1
CL508
CL506
CL502
CL503
CL505
CL504
2W
0.33
R517
10k
R544
1kV
560p
C509
TH501
CL509
CL510
JL508
JL504
CL511
E
ET503
1k
R538
E
ET502
DSC7003R0L
Q501
250V
F502
5A
50V
C535
10
2W
0.33
R518
0
R515
4.7
R516
4.7
R519
PTZ-TE25-30B
D504
VDR501
0.1
C530
10
C515
CMF02
D516
25V
330
C524
25V
330
C527
25V
330
C528
R501
0
35V
470
C533
35V
C534
47
D501
UDZSUSTE-1730B
D502
UDZSUSTE-1730B
2kV
C522
4700p
R541
0
3.3k
R543
R548
1k
400V
3300p
C517
250V
C516
470p
C513
250V
C520
470p
RK49LF-T1
D519
JS501
JS502
250V
F501
RR264M-400
D514
RR264M-400
D513
R535
0
C519
CL515
CL514
10uH
L505
E
E
2.2uH
L506
1
2
4
3
5P
CN503
1
12V
2
12V
3
GND
4
GND
5
AGND
1
2
3
4
L501
1
2
3
4
L502
2.2
C537
T501
4
6
7
8
13
12
11
14
15
16
17
18
2
1
5
5P
CN502
1
PVDD_GND
2
PVDD_GND
3
PVDD_25V
4
PVDD_25V
5
PVDD_S
1k
R534
R502
0.5W
1.5M
CAM501
SPARK-GAP
PATTERN
(CHASSIS)
(CHASSIS)
LINE FILTER
POWER CONTROL
IC501
LINE FILTER
SHUNT REGULATOR
IC502
ISOLATOR
POWER BOARD
(CHASSIS)
(AC IN)
AC1
POWER TRANSFORMER
MAIN
>07S
(7/7)
BOARD
CN601
AMP
>08S
(2/2)
BOARD
CN3004
(CHASSIS)
A502
T5AH
REGULATOR
(CHASSIS)
A501
(US, CND, TW)
(AEP, RU, UK, AUS, SP)
(US, CND, TW)
SYR-6735 (US, CND, TW)
STR-Y6766 (AEP, RU, UK, AUS, SP)
(US, CND, TW)
560 25V (US, CND, TW)
330 25V (AEP, RU, UK, AUS, SP)
C511
C503, 504
1000p 250V (US, CND, TW)
470p 250V (AEP, RU, UK, AUS, SP)
C508
0.22 310V (AEP, RU, UK, AUS, SP)
0.1 310V (US, CND, TW)
470p 250V (US, CND, TW)
220p 250V (AEP, RU, UK, AUS, SP)
C513
390 200V (US, CND, TW)
130 450V (AEP, RU, UK, AUS, SP)
C519
6
12
3
G
13
4
F
5
2
7
C
H
11
E
9
B
8
A
10
D
1
(Page 45)
(Page 41)
Ver. 1.1
HT-ST7
HT-ST7
52
52
• Waveforms
– MAIN Board –
– DISPLAY Board –
• IC Block Diagrams
– MAIN Board –
IC601, 602, 605 RT8293ALZSP
IC603 RT8252ALGSP
IC601, 602, 605 RT8293ALZSP
IC603 RT8252ALGSP
IC604, 3704 BD00IC0WEFJ-E2
IC901 SRC4182
qa
Q801, 802 (Base)
2 V/DIV, 5
Ps/DIV
11.4
Ps
3.7 Vp-p
qs
Q801, 802 (Collector)
20 V/DIV, 5
Ps/DIV
11.4
Ps
27.2 Vp-p
1
IC3506
<zzc (XTALOUT)
1 V/DIV, 20 ns/DIV
36.6 ns
1.8 Vp-p
2
IC904
r; (XTO)
2 V/DIV, 20 ns/DIV
40.6 ns
2.4 Vp-p
7
IC601
1 (BOOT)
10 V/DIV, 2
Ps/DIV
3
Ps
18.8 Vp-p
8
IC602
1 (BOOT)
10 V/DIV, 2
Ps/DIV
2.9
Ps
19.6 Vp-p
9
IC603
1 (BOOT)
100 mV/DIV, 2
Ps/DIV
3.1
Ps
0.1 Vp-p
0
IC605
1 (BOOT)
10 V/DIV, 2
Ps/DIV
3
Ps
21.2 Vp-p
3
IC5001
wg (XTAL2)
2 V/DIV, 20 ns/DIV
39.6 ns
3.2 Vp-p
4
IC5001
ok (BCLK_OUT)
2 V/DIV, 200 ns/DIV
324 ns
4.1 Vp-p
20.8
Ps
3.8 Vp-p
5
IC5001
ol (LRCLK_OUT)
2 V/DIV, 10
Ps/DIV
6
IC1002
qa (Xout)
2 V/DIV, 50 ns/DIV
125 ns
2.6 Vp-p
BOOT
1
VIN
2
SW
3
GND
4
FB
5
COMP
6
EN
7
SS
8
S
R
Q
Q
–
+
FOLDBACK
CONTROL
SLOPE COMP
UV
COMPARATOR
CURRENT
COMPARATOR
CURRENT SENSE
AMPLIFIER
SHUTDOWN
COMPARATOR
LOCKOUT
COMPARATOR
OSCILLATOR
0.8V
+
+
–
VA
VCC
2.7V
1.2V
VA
VCC
EA
–
+
0.4V
INTERNAL
REGULATOR
–
+
–
+
+
–
5
7
8
2
1
3
VOUT
FB
GND
4
N.C.
VCC
N.C.
6
N.C.
EN
+
+
SOFT
START
OVER CURRENT
PROTECT
THERMAL
SHUTDOWN
1
LGRP
18 OFMT1
17 OWL0
16 OWL1
17 OWL0
16 OWL1
20 TDMI
19 OFMT0
24 LRCKO
23 SDOUT
23 SDOUT
26 MODE0
25 BCKO
28 MODE2
27 MODE1
27 MODE1
22 VDD
21 DGND
21 DGND
15 RDY
2
RCKI
3
NC
4
SDIN
5
BCKI
6
LRCKI
9
BYPAS
10
IFMT0
11
IFMT1
12
IFMT2
13
RST
14
MUTE
7
VIO
8
DGND
REFERENCE
CLOCK
INTERPOLATION
FILTERS
RE-SAMPLER
DECIMATION
FILTERS
AUDIO
OUTPUT
PORT
AUDIO
INPUT
PORT
RATE
ESTIMATOR
CONTROL
LOGIC
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