DOWNLOAD Sony HT-ST3 Service Manual ↓ Size: 5.48 MB | Pages: 78 in PDF or view online for FREE

Model
HT-ST3
Pages
78
Size
5.48 MB
Type
PDF
Document
Service Manual
Brand
Device
Audio
File
ht-st3.pdf
Date

Sony HT-ST3 Service Manual ▷ View online

HT-ST3
HT-ST3
41
41
4-18.  SCHEMATIC  DIAGRAM - FL Board -
• See page 44 for Waveforms.   • See page 44 for IC Block Diagrams.
1.9
0
0
1.9
3.3
3.1
88
3.3
0
0
3.3
3.3
3.3
0
0
0
0
0
3.3
3.3
3.3
3.3
3.3
0
0
1.4
3.3
3.3
0
21
22
7.8
7.8
-0.3
-0.3
47
R841
47
R842
JL811
JL809
JL812
JL813
JL814
JL810
0.1
C833
0.1
C834
JL833
JL834
JL835
JL836
JL837
JL838
JL839
JL840
JL841
JL842
JL843
JL844
JL845
100
R836
100
R837
100
R838
100
R839
C835
0.01
C836
220p
C837
220p
C838
220p
R831
1k
C831
1
MM1836A33NRE
IC831
1
Cont
2
GND
3
NC
4
V
out
5
Vi
n
C832
1
100
R852
0.1
C854
LTC023JUBFS8TL
Q852
LTC023JUBFS8TL
Q851
68
R851
0.1
C852
SL-194S-WS-SD-T
D851
CL-194S-HB8-SD-T
D852
100
R824
KTC3552T
Q822
0.1
C826
JL831
10V
100
C821
E
100uH
L821
JL830
2
3
5
6
8
7
1
4
9
T821
0.015
C822
4700p
C824
33k
R822
BAV99-215
D821
JL832
100
R823
BAV99-215
D822
50V
10
C825
KTC3552T
Q821
DZ2J056M0L
D823
ND831
1
26
27
28
29
30
31
32
33
34
38
2
24
25
37
JL815
JL816
JL817
JL818
JL819
JL820
JL821
6.3V
47
C841
8P
CN802
1
GND
2
RFDET
3
SW
4
IRQ
5
SEL
6
DATA
7
SPICLK
8
VDD
24P
CN801
1
E3.3V
2
SPI_CLK
3
NFC_DAT
4
NFC_SEL
5
NFC_IRQ
6
NFC_SW
7
NFC_RFDET
8
NFC_GND
9
E3.3V
10
SIRCS
11
DGND
12
LED_PW
13
E4V
14
LED_BT
15
DGND_LED
16
FL_CLK
17
DGND_FL
18
DGND_FL
19
DGND_FL
20
FL_CS
21
FL8V
22
FL_DAT
23
FL8V
24
FL_RST
VCC
OUT
GND
RPM7240-H4R
IC841
3
1
2
0.1
C809
JL802
JL808
JL827
100
R802
100
R810
100p
C804
JL801
JL807
JL826
100
R806
100
R807
100p
C805
10
C801
74LVC125APW-118
IC802
1
X1OE
2
1A
3
1Y
4
X2OE
5
2A
6
2Y
7
GND
8
3Y
9
3A
10
X3OE
11
4Y
12
4A
13
X4OE
14
Vcc
JL806
JL825
100
R812
100p
C806
100
R803
74LVC125APW-118
IC803
1
X1OE
2
1A
3
1Y
4
X2OE
5
2A
6
2Y
7
GND
8
3Y
9
3A
10
X3OE
11
4Y
12
4A
13
X4OE
14
Vcc
JL805
JL824
100
R804
100
R809
100p
C810
74LVC1G04GW-125
IC801
1
NC
2
3
GND
4
5
Vcc
0.1
C802
JL804
JL823
JL829
100
R801
100
R811
100p
C811
JL803
JL822
JL828
100
R805
100
R808
100p
C803
10
R832
10
R833
0.1
C807
47k
R834
3.3k
R821
C840
220p
0
R853
F2
F2
LGND
PGND
32V
VDD
OSC
RESET
CS
CLK
DA
TA
TSA
TSB
F1
F1
IC803
IC801
INVERTER
IC802
BUFFER
REMOTE CONTROL
IC841
IC831
+3.3V REGULATOR
TRANSFORMER
FL BOARD
BOARD
CONNECT
>08S
CN782
FLUORESCENT INDICATOR TUBE
FFC6
NFC1
NFC MODULE
(RC-S801/A)
BUFFER
RECEIVER
FFC5
OSC
OSC
DC/DC CONVERTER
LED DRIVE
LED DRIVE
DISPLAY OFF
INDICATOR
Bluetooth
INDICATOR
15
6
12
J
3
G
K
13
4
F
5
2
7
C
H
I
11
14
E
9
B
8
A
10
D
1
(Page 39)
HT-ST3
HT-ST3
42
42
4-19.  PRINTED  WIRING  BOARD - POWER Board -
• 
 : Uses unleaded solder.
• See page 27 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
D501
D502
D504
D507
D508
D512
D513
D514
D516
D518
IC502
+
-
1
3
C
E
5
1
6
2
1
7
1
5
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
C517
C519
C520
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)
K
A
1
2
4
3
AMP
BOARD
CN3004
>05P
AMP
BOARD
CN601
>07P
(CHASSIS)
3
1
4
2
E
1
8
18
11
A
B
C
D
1
2
3
4
5
6
7
8
9
10
(Page 28)
(Page 29)
HT-ST3
HT-ST3
43
43
4-20.  SCHEMATIC  DIAGRAM - POWER Board -
• See page 44 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
CL501
0.01
C525
JL507
JL505
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
R541
0
3.3k
R543
R548
1k
400V
3300p
C517
250V
C520
470p
RK49LF-T1
D519
250V
F501
RR264M-400
D514
RR264M-400
D513
R535
0
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
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
AMP
>07S
(6/6)
BOARD
CN601
AMP
>05S
(4/6)
BOARD
CN3004
(CHASSIS)
A502
T5AH
470p
250V 
C503
470p
250V 
REGULATOR
(CHASSIS)
A501
STR-Y6766
330
25V
C511
6
12
3
G
13
4
F
5
2
7
C
H
11
E
9
B
8
A
10
D
1
C513
220p
250V 
C519
130
450V 
C508
0.22
310V 
(Page 33)
(Page 35)
HT-ST3
HT-ST3
44
44
•  IC Block Diagrams
– AMP Board –
IC601, 602, 605  RT8293ALZSP
IC603  RT8252ALGSP
IC604, 3704  BD00IC0WEFJ-E2
• Waveforms
– AMP Board –
– FL Board –
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
IC902, 906  MM3411A33URE
IC2015  MM3411A18URE
VOUT
3
CE 1
GND 2
VDD
4
+
VOLTAGE
REFERENCE
CURRENT
LIMIT
BIAS
376 
Ps
3.4 Vp-p
2
IC904 
qk (LRCK)
2 V/DIV, 200 
Ps/DIV
2.9 
Ps
4 Vp-p
4
IC904 
w; (SCKO)
2 V/DIV, 2 
Ps/DIV
3
IC904 
ql (BCK)
2 V/DIV, 5 
Ps/DIV
5.8 
Ps
4.1 Vp-p
5
IC904 
r; (XTO)
2 V/DIV, 20 ns/DIV
40.6 ns
2.6 Vp-p
9
IC1002 
qa (Xout)
2 V/DIV, 100 ns/DIV
125 ns
2.7 Vp-p
1
IC3506 
<zzc  (XTALOUT)
1 V/DIV, 20 ns/DIV
36.8 ns
1.2 Vp-p
6
IC5001 
wg (XTAL2)
2 V/DIV, 20 ns/DIV
39.6 ns
3.2 Vp-p
7
IC5001 
ok (BCLK_OUT)
2 V/DIV, 200 ns/DIV
324 ns
4 Vp-p
20.8 
Ps
3.9 Vp-p
8
IC5001 
ol (LRCLK_OUT)
2 V/DIV, 10 
Ps/DIV
wa
Q821, Q822 (Base)
2 V/DIV, 10 
Ps/DIV
11.6 
Ps
3.6 Vp-p
ws
Q821, Q822 (Collector)
20 V/DIV, 10 
Ps/DIV
11.6 
Ps
27.2 Vp-p
q;
IC602 
1 (BOOT)
10 V/DIV, 1 
Ps/DIV
Ps
19.6 Vp-p
qs
IC605 
1 (BOOT)
10 V/DIV, 1 
Ps/DIV
Ps
21.2 Vp-p
qa
IC603 
1 (BOOT)
10 V/DIV, 2 
Ps/DIV
3.9 
Ps
20.4 Vp-p
Page of 78
Display

Click on the first or last page to see other HT-ST3 service manuals if exist.