Sony HT-SF1200 / HT-SS1200 / STR-KS1200 Service Manual ▷ View online
STR-KS1200
STR-KS1200
37
37
• See page 32 for Waveforms. • See page 40 for IC Block Diagrams.
5-27. SCHEMATIC DIAGRAM - PANEL Section -
TP700
FL700
CNS701
R755
R756
C700
R700
C701
C711
L700
47
μH
R705
R706
D701
C702
R701
R703
R702
D704
C703
C704
D702
C707
C761
C760
C753
C754
C755
C756
C757
C758
C759
C75
0
C751
C752
C706
C705
R750
C762
C763
C764
CN700
R752
R753
CNP700
C710
Q706
D720
R710
D721
R711
Q702
D722
R712
D723
R713
D724
Q705
Q703
Q704
R715
R716
R717
Q701
S707
IC700
D703
D700
C768
Q801
T700
C709
C708
RV700
D727
D725
D726
Q709
Q708
Q707
R714
S706
S705
S704
S703
S702
S701
R754
IC701
19P
1k
1k
10
50V
1.8k
0.022
0.0047
22
22
MA111-TX
0.01
10k
470
470
UDZW-TE17-6.8B
10
50V
0.1
MA111-TX
0.1
220p
220p
220p
220p
220p
220p
220p
220p
220p
220p
220p
220p
10
50V
0.1
82k
220p
220p
0.001
12P
100
10
12P
47
16V
DTA124ESA-TP
SELS5B23C
220
SELS5B23C
220
DTC124ESA-TP
SELS5B23C
220
SELS5B23C
220
SELS5B23C
DTA124ESA-TP
DTC124ESA-TP
DTC124ESA-TP
220
220
220
DTC124ESA-TP
PT6315
MA111-TX
MA111-TX
22p
CPH5504
0.1
10
50V
SELS5B23C
SELS5B23C
SELS5B23C
DTC124ESA-TP
DTC124ESA-TP
DTC124ESA-TP
220
1k
NJL24H400A
GRID1
GRID2
GRID3
GRID4
GRID5
GRID6
GRID7
GRID8
GRID9
SEG9
SEG8
SEG7
SEG6
SEG5
SEG4
SEG3
SEG2
SEG1
GRI
D1
GRID2
GRI
D3
GRI
D4
GRI
D5
GRI
D6
GRI
D7
GRI
D8
GRI
D9
GRID10
GRI
D1
1
GRID12
SEG1
SEG2
SEG3
SEG4
SEG5
SEG6
SEG7
SEG8
SEG9
SEG1
0
SEG1
1
SEG12
SEG1
3
SEG14
SEG1
5
SEG1
6
GRID10
GRI
D1
1
GRID12
SEG1
1
SEG12
SEG1
3
SEG14
SEG1
5
SEG1
6
SEG1
0
+5V
SIRCS
FL CLK
FL DATA
FL LAT
POWER SW
+3.3V(STBY)
GND
GND
GND
POWER SW
+5V
+3.3V
SIRCS
GND
SA-CD LED
TV LED
TUNER LED
TV LED
SA-CD LED
SW1
SW2
SW3
SW4
SW4
SW3
SW2
SW1
SA-CD LED
TV LED
TUNER LED
SIRCS
POWER SW
+3.3V
+5V
GND
+6.0V
VOL2A
VOL2B
AD2
AD1
AD0
TUNER LED
(CHASSIS)
OSC
DC/DC CONVERTER
C-L
INK_LED
SA
T_LEDF
VID
EO_LED
GRID10
GRID1
1
GRID12
VEE
SEG16
SEG15
SEG1
4
SEG13
SEG1
2
SEG1
1
SEG10
DVD_LED
OSC
DOUT
DIN
CLK
STB
KEY1
KEY2
VSS
VDD
SEG1
SEG2
SEG3
SEG4
SEG5
SEG6
SEG7
SEG8
SEG9
GRID9
GRID8
GRID7
GRID6
GRID5
GRID4
GRID3
GRID2
GRID1
VDD
VSS
MASTER
VOLUME
VOLUME
ROTARY ENCODER
MUTING
+
-
SOUND FIELD
PRESET TUNING
-
+
INPUT SELECTOR
FLUORESCENT INDICATOR TUBE
DRIVER
REMOTE CONTROL RECEIVER
O
G
V
TUNER
SA-CD/CD
TV
LED DRIVE
LED DRIVE
LED DRIVE
LED DRIVE
LED DRIVE
LED DRIVE
SAT
VIDEO 2/BD
DMPORT
VIDEO 1
DVD
LED DRIVE
LED DRIVE
LED DRIVE
FLUORESCENT INDICATOR TUBE
1
5
6
9
MAIN
CNS500
BOARD
C
(4/10)
(Page
21)
STR-KS1200
STR-KS1200
38
38
G
S
1
5
1
5
1
5
G
S
E
E
E
E
E
D945
IC941
IC942
IC944
Q943
Q944
Q945
Q946
Q947
L934
L935
L936
L937
L942
L945
L947
L948
Q961
Q964
L950
R905
R906
R907
R909
R910
R911
R915
R919
R923
R925
R926
R931
R932
R933
R934
R935
R936
R937
R938
R939
R940
R941
R943
C907
C909
R949
C911
R951
R952
R953
R954
R955
R956
R957
R958
C923
R960
R962
R965
C929
R966
R968
R969
R970
C935
C936
C937
R974
R975
R978
R985
C951
C952
C954
C960
D907
D908
D909
D910
D914
C975
D915
C976
D916
C977
C978
C979
C980
C981
C982
D923
D924
D925
D926
D932
B
E
C
E
1
5
2
4
1
3
C
E
E
C
E
B
E
1
8
3
1
3
1
C
E
1
4
1
7
1
6
1
9
D941
IC921
D942
D943
JW950
D944
JW951
JW952
JW953
JW954
JW955
JW956
JW957
JW958
JW959
IC931
JW960
JW961
JW962
JW963
D971
IC951
D972
Q901
Q921
EB901
EB902
EB903
EB904
EB905
EB909
L931
VDR901
R901
R903
R904
L951
L952
R908
R912
R913
R914
CN901
CN902
CN903
CN905
CN906
R927
C901
FH901
C902
FH902
C903
A001
C905
TH901
C906
A003
C908
C910
C912
C918
C920
C922
C924
C925
C928
R967
C931
C932
C933
C934
C938
C939
C940
C941
C942
C943
C944
C945
C946
C947
C953
JW900
C958
JW905
C959
JW906
JW907
JW908
JW909
C961
D901
C963
C964
D904
D905
JW912
JW913
JW914
JW915
JW916
JW917
JW918
JW919
D913
JW920
JW921
JW922
JW923
JW924
JW925
JW926
JW927
JW928
JW929
IC901
D922
C983
JW930
JW931
T901
JW932
T902
JW933
JW934
JW935
JW936
JW937
JW938
JW939
D931
JW940
JW941
JW942
JW943
JW944
JW945
JW946
JW948
JW949
FR901
PC902
PC903
PC904
PC901
D
D
MAIN POWER
TRANSFORMER
SUB POWER
TRANSFORMER
(CHASSIS)
(CHASSIS)
(CHASSIS)
(CHASSIS)
(CHASSIS)
H
HDMI
RE BOARD
CN3509
E
MAIN BOARD
CNP501
F
MAIN BOARD
CNP502
D
MAIN BOARD
CN3002
1-873-967-
11
(11)
SMPS BOARD
(CHASSIS)
F901
K
A
K
A
K
A
K
A
(AC IN)
A
B
C
D
E
F
1
2
3
4
5
6
7
8
9
10
11
12
13
5-28. PRINTED WIRING BOARD - SMPS Board -
•
: Uses unleaded solder.
Ref. No. Location
• Semiconductor Location
D901
C-4
D904
E-4
D905
D-4
D907
C-5
D908
D-4
D909
E-7
D910
D-5
D913
D-5
D914
C-5
D915
C-6
D916
C-6
Ref. No. Location
D922
D922
E-6
D923
E-6
D924
E-6
D925
E-6
D926
E-7
D931
B-9
D932
F-9
D941
E-8
D942
E-8
D943
D-8
D944
E-8
Ref. No. Location
D945
D945
D-10
D971
D-6
D972
F-11
IC901
C-5
IC921
E-6
IC931
A-11
IC941
E-10
IC942
E-11
IC944
E-11
IC951
E-9
Ref. No. Location
Q901
D-6
Q921
E-6
Q943
F-9
Q944
B-12
Q945
E-11
Q946
D-11
Q947
E-9
Q961
E-10
Q964
A-11
(Page 17)
(Page 17)
(Page 28)
(Page 17)
• See page 15 for Circuit Boards Location.
STR-KS1200
STR-KS1200
39
39
• See page 40 for IC Block Diagrams.
5-29. SCHEMATIC DIAGRAM - SMPS Board -
D
(8/10)
BOARD
MAIN
E
(4/10)
BOARD
MAIN
F
(4/10)
(2/2)
BOARD
MAIN
H
HDMI
IC B/D
IC B/D
IC B/D
IC B/D
IC B/D
RE BOARD
CN3509
CNP502
CNP501
CN3002
0.8
0
3.4
3.4
23
22.5
22
3.3
20.9
0.4
319
12
12
12.6
3.5
5
5
6.2
3.5
3.3
3.3
3.9
3.5
317.9
1.5
22
0
318.7
31.7
30.6
3.9
2.9
0.6
0.6
3.9
2.9
6.2
11.9
6.2
3.4
0
30.6
0
2.5
28.7
1.7
6.8
120.5
1.5
2.3
2.5
9.2
9.2
11.9
0.6
0
20.9
20.9
20.3
1
3
3P
CN901
LIVE
NUTRAL
275V
0.22
C901
1/2W
1M
R901
VDR901
1
4
3
2
L951
E
EB901
C964
C963
275V
0.22
C902
TH901
D5SBA60F01
D901
250V
0.01
C920
C903
250V
0.01
C918
D904
C938
1
3
10
11
2
9
12
13
14
5
8
4
6
T901
C905
R903
R904
SARS03
D913
1
2
3
4
5
STR-F6168-LF1352
IC901
35V
47
C908
4700p
C911
220p
C909
R914
R912
220
R911
C912
250V
100p
E
EB902
2SB1116A-TP-LK
Q901
10k
R907
MA111-TX
D908
MA111-TX
D907
MA1
11-TX
D914
3.3k
R906
C907
MAZ8100GMLS0
D915
D1NL20U-TR2
D905
10
R905
MA1
11-TX
D916
18k
R919
2.2k
R910
100k
R909
50V
22
C910
TLP421F(D4-GR)
PC901
TLP421F(D4-GR)
PC903
1/2W
3.3k
R908
MA111-TX
D909
FCH20A15
D931
0.1
C935
35V
2200
C932
35V
2200
C933
C931
5.6uH
L931
1k
R934
1k
R935
1k
R938
4.7k
R933
470k
R936
3.3k
R931
3.3k
R939
5.6k
R965
33k
R932
0.047
C937
3
1
2
TA76431AS(TPE6)
IC931
0.1
C936
35V
2200
C934
0.1
C939
10k
R937
10k
R940
RT1N141C-TP-1
Q943
RT1N141C-TP-1
Q947
MAZ8051GMLS0
D932
1k
R949
1
3
4
5
6
8
STR-V153
IC921
2KV
47p
C925
R927
0.1
C929
4700p
C923
50V
2.2
C924
MAZ8051GMLS0
D926
MAZ8051GMLS0
D925
680k
R926
MAZ8100GMLS0
D923
UDZW
-TE17-24B
D924
D1NL20U-TR2
D922
2SD1616A-TP-LK
Q921
4.7k
R923
4.7
R985
35V
22
C922
1
2
10
11
7
9
12
13
14
5
4
8
15
16
3
T902
1/2W
2.2
R967
1k
R968
TLP421F(D4-GR)
PC902
10
R925
MA1
11-TX
D910
1k
R956
R915
TLP421F(D4-GR)
PC904
2kV
0.001
C953
25V
0.1
C976
0.1
C977
0.1
C978
0.1
C979
10V
3300
C940
16V
2200
C944
16V
1000
C946
25V
1000
C941
D1NL20U-TR2
D941
EK19LF-F7
D944
EK19LF-F7
D942
RK46LF-T2
D943
C928
220p
220p
250V
0.047
C952
470
R955
22k
R954
220
R951
2.2k
R952
3.9k
R953
3
1
2
TA76L431S(TPE6,Q)
IC951
E
EB904
1
2
3
4
5
SI-3120KM-TL
IC941
1
2
3
4
5
SI-3050KM-TL
IC942
1
2
3
4
5
SI-3033KM-TL
IC944
0.1
C960
0.1
C954
0.1
C951
35V
22
C958
35V
22
C945
35V
22
C942
100
C947
10V
100
C959
16V
100
C943
150
R962
0
R943
0
R941
10k
R970
D945
UDZW
-TE17-20B
S
RSR025N03TL
B+ SWITCH
Q946
S
RSR025N03TL
Q945
47k
R969
1k
R978
47k
R957
1k
R958
100k
R966
10V
47
C961
2SC2412K-T-146-R
Q961
0.1
C975
E
EB903
22k
R974
3.3k
R975
2SC3052EF-T1-LEF
Q964
RT1N141C-TP-1
Q944
E
EB909
1W
0.1
FR901
ST
O2D-140
D971
1
4
3
2
L952
1
2
3
4
4P
CN902
P-GND
32.0V
32.0V
P-GND
1
3
4
5
6
CN903
6P
+4.1V
+4.1V
D-GND
D-GND
+6.3V
0.01
C980
0.01
C981
0.01
C982
250V
100p
C983
10uH
L934
E
EB905
10uH
L935
10uH
L937
10uH
L936
10uH
L945
10uH
L947
10uH
L942
10uH
L948
10uH
L950
1
2
3
4
5
6
7
7P
CN905
E4V
AGND
AGND
AC-DET
P-CONT1
P-CONT2
P-CONT3
11EQS04-TB5
D972
1.5kV
1000p
C906
1
3
4
5
6
7
8
9
9P
CN906
D.DCON5V
6V
AMP_12V
12V
3.3V
8V
D-GND
D-GND
4.7k
R960
OCP
D
GND
VCC
OLP
D
OCP
VCC
GND
FB/OLP
ST
AR
TUP
SENSE
OUTPUT
GND
INPUT
ENABLE
SENSE
OUTPUT
GND
INPUT
ENABLE
SENSE
OUTPUT
GND
INPUT
ENABLE
SMPS BOARD
IC941
+12V REGFULATOR
IC942
+5V REGULATOR
IC944
+3.3V REGULATOR
IC921
POWER CONTROL
IC901
POWER CONTROL
A
20
10
1
2
J
H
B
13
11
L
C
7
8
I
14
F
9
6
K
4
18
21
15
16
3
G
D
5
17
E
12
19
22
23
Q943,947
POWER ON/OFF CONTROL
B+ SWITCH
Q944,964
POWER VOLTAGE
CONTROL
IC931
SHUNT REGULATOR
IC951
SHUNT REGULATOR
1W
1
B+ SWITCH
F901
T6.3AL 250V
470p
250V
250V
100k 3W
470p
250V
250V
630V
0.01
SUB POWER
TRANSFORMER
PC901-904
ISOLATOR
ISOLATOR
400V
0.0033
330
250V
(CHASSIS)
(CHASSIS)
AC IN
(CHASSIS)
AC DETECT
MAIN POWER
TRANSFORMER
B+ SWITCH
2W
0.33
5W
0.1
1000p
470k
~
~
470p
250V
250V
10EDB60-TB5
100k 3W
(Page 25)
(Page
21)
(Page
21)
(Page
31)
STR-KS1200
STR-KS1200
40
40
• IC Block Diagrams
– MAIN Board –
– MAIN Board –
IC1003, 1017 TC7WH157FK (TE85R)
SELECT
11
6
ST
11
7
A 1
2
3
A
B
Y
5
Y
B
GND 4
VCC
8
Y
EN G
Y
IC1008, 1900 TC74VHC157FT (EKJ)
SELECT 11
1
1A 2
3
4
5
6
7
INPUT
INPUT
OUTPUT
OUTPUT
1A
1B
1Y
2A
2B
2Y
1B
1Y
2A
2B
2Y
GND 8
V
CC
STROBE
16
4A
15
14
13
11
12
11
10
INPUT
INPUT
OUTPUT
OUTPUT
G
4B
4Y
3A
4A
4B
4Y
3A
3B
9
3B
3Y
3Y
S
IC1012 SI-3050KM-TL
1
VC
TSD
2
VIN
3
GND
4
VOUT
5
ADJ
+
–
REF
IC1014 TC7WH74FU (TE12R)
6
CLR
7
PR
8
VCC
5
Q
R
S
Q
3
Q
2
D
4
GND
1
CK
Q
D
C
IC1016 TC74VHC393FT (EL)
14
13
12
11
10
9
8
1
2
3
4
5
6
7
Q
A
Q
B
Q
C
Q
D
A
CLEAR
VCC
Q
A
Q
B
Q
C
Q
D
A
CLEAR
GND
IC1301 LC890561W
37
CE
38
CLK
39
XSEL
40
MODE0
41
MODE1
42
DGND
43
DVDD
44
DOSEL0
45
DOSEL1
46
CKSEL0
47
CKSEL1
48
XMODE
36
DI
MICRO
CONTROLLER
35
DO
34
ERROR
33
BPSYNC
32
VREF
31
DGND
30
DVDD
29
VF/DA
TAO2
28
F2/DLMP
27
F1/FSB1
26
F0/FSB0
25
CSFLAG
1
DISEL
2
DOUT
3
DIN0
4
DIN1
5
DIN2
6
DGND
7
DVDD
8
SDIN
9
AGND
10
LPF
11
AV
D
D
12
AGND
23 EMPHA
22 XIN
24 AUDIO
21 XOUT
20 XMCK
19 DVDD
18 DGND
17 XSTATE
16 DATAO
15 LRCK
14 BCK
13 CKOUT
PA,PB DETECT
REGULATOR
FS CALCULATION
AMP
CLOCK
SELECT
OR
DATA SELECTOR
DATA SELECTOR
BUFFER RAM
INPUT SELECTOR
PLL
DEMODULATION
&
LOCK DETECT
C-BIT DETECT
IC1302 TC74ACT153F (EL)
16
15
14
13
12
11
10
9
1
2
3
4
5
6
7
8
2G
2C3 2C2 2C1 2C0
2Y
VCC
2C3 2C2 2C1 2C0
STROBE
2G
OUTPUT
2Y
A
SELECT
DATA INPUTS
B
B
A
A
B
B
A
A
1G
1C3 1C2 1C1 1C0
1Y
STROBE
1G
B
SELECT
1C3 1C2 1C1 1C0 OUTPUT
1Y
GND
DATA INPUTS
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