Sony TA-SA400WR Service Manual ▷ View online
TA-SA400WR
TA-SA400WR
13
13
4-5. SCHEMATIC DIAGRAM - POWER Board -
• See page 15 for IC Block Diagrams.
29.2
2.5
4.2
3.1
4.2
3.1
32.3
31.3
0.9
21.8
21.1
0
303
21.1
0
1.5
0.9
21.1
-0.5
20.2
7.7
11.1
0.9
21.8
300
302
302
0
21.1
-4.5
22.6
22.4
20.4
2.5
2.5
0
3.3
0
3.3
31.3
0
-5.4
21.1
11.6
1kV
C940
4700p
0.01
C931
0.01
C930
470p
C925
100
R920
1k
R929
1k
R941
4.7k
R925
4.7k
R931
68k
R932
1k
R930
SARS10
D920
1
3
4
5
6
7
IC920
D
S/GND
Vcc
OLP/SS
FB
OCP/BD
D3SB60F3
D900
D1NL20U-TR2
D924
LTA014EUBFS8TL
Q922
LTC044EUBFS8TL
Q921
CL921
CL922
CL923
CL905
CL940
CL960
E
EB901
E
EB902
2200p
C928
4.7k
R927
47
R924
50V
10
C924
100V
100p
C929
1
3
3P
CN900
LIVE
2
NC
NEUTRAL
D927
UDZSUSTE-176.2B
CL901
2SD1388TP-4
Q920
PS2561AL1-1-V-W
PC903
50V
47
C927
R922
R921
2
3
4
5
6
7
8
9
9P
CN901
NC
1
32V
32V
32V
GND
GND
GND
MAIN_ON
E4V
470
R951
4.7k
R915
10
R901
UDZSUSTE-1710B
D915
0.01
C952
2.2k
R956
4
3
1
2
MM1431CURE
IC950
NC
33k
R910
D1NL20U-TR2
D901
2.2
R914
0.047
C953
C954
0.01
UDZSUSTE-1730B
D914
RK36LF-B3
D950
1F6G
D910
1/2W
FR910
1
1
2
3
4
680k
R916
4700p
C916
D1NL20U-TR2
D911
R911
5.6
PS2561AL1-1-V-W
PC901
4.7k
R902
4.7k
R903
2SA1980-AT
Q901
22k
R962
3.3k
R960
LTC044EUBFS8TL
Q962
LSCR523UBFS8TL
Q961
100
R963
LTC044EUBFS8TL
Q960
3.3k
R961
0.047
C943
1k
R943
R949
1k
2.2k
R944
4
3
1
2
MM1431CURE
IC940
NC
470k
R942
CL942
PS2561AL1-1-V-W
PC902
3.9k
R955
100
R945
2.2k
R947
27k
R946
CL900
CL903
CL904
CL910
CL911
CL912
CL913
CL914
CL915
CL916
CL917
CL918
CL924
CL926
CL925
CL927
CL928
CL929
CL930
CL909
CL941
CL950
CL951
CL952
CL962
CL964
CL943
CL953
8
7
5
4
3
2
1
IC910
STR-A6159M
OCP
VCC
GND
FB
START_UP
DRAIN
DRAIN
R959
10k
10k
R953
10k
R904
JS905
2W
R913
100k
400V
3300p
C911
CL963
T901
1
4
7
9
2
5
6
8
10
TH920
1
3
10
11
2
9
12
13
14
5
8
6
7
T902
R926
820
35V
1000
C941
10V
2200
C951
0.1
C947
0.1
C946
0.1
C932
C944
0.01
JL900
JL901
JL902
JL903
JL904
JL905
JL906
JL908
JL909
JL911
JL912
JL913
JL914
JL915
JL917
JL919
TH900
DZ2J200M0L
D922
DZ2J330M0L
D930
DZ2J062M0L
D928
DZ2J100M0L
D932
DZ2J051M0L
D916
DZ2J100M0L
D912
DZ2J24000L
D913
DA2J10100L
D902
DA2J10100L
D929
DA2J10100L
D923
DA2J10100L
D925
DA2J10100L
D926
50V
1
C919
50V
2.2
C917
100V
47
C914
2SC5053T100Q
Q923
470
R957
0.1
C960
FMX-22SL
D940
R905
100k
JS902
JS904
1k
R940
C922
1.5kV
680p
1k
R950
IC920
POWER CONTROL
(CHASSIS)
TRANSFORMER
MAIN POWER
TRANSFORMER
SUB POWER
ISOLATOR
ISOLATOR
ISOLATOR
POWER CONTROL
IC910
IC940
POWER BOARD
SHUNT REGULATOR
IC950
(CHASSIS)
(AC IN)
AC1
Q921, 922
OVER LOAD PROTECT
B+ SWITCH
REGULATOR
REGULATOR
PATTERN
SPARK-GAP
CAM901
POWER ON/OFF
CONTROL
POWER VOLTAGE
CONTROL
Q961, 962
SHUNT REGULATOR
13
A
15
E
D
C
4
14
16
17
8
G
B
1
11
3
10
I
9
J
F
H
6
2
5
7
12
BOARD
CN104
>02S
WLK5_MAIN
T3.15AH 250V (EXCEPT E32, MX, TW)
T5AH 250V (E32, MX)
5A 125V (TW)
F900
250V
C900
0.22
VDR900
1
2
3
4
LF900
1
2
3
4
LF901
250V
C902
0.1
R900
1/2W
1M
LINE FILTER
LINE FILTER
(EXCEPT E32, MX, TW)
(E32, MX, TW)
(E32, MX, TW)
(EXCEPT E32, MX, TW)
250V
1000p
C903
250V
C905
1000p
250V
C904
470p
250V
C906
470p
250V
C937
0.1
JS903
JS901
(EXCEPT E32,
MX, TW)
MX, TW)
(EXCEPT TW)
(EXCEPT E32, MX)
(TW)
(TW)
C936
130 450V (E32, MX)
100 450V (EXCEPT E32,
C935
200V
330
400V
C921
3300p
400V
C920
0.01
R923
82k 3W (EXCEPT TW)
100k 3W (TW)
(EXCEPT TW)
(EXCEPT TW)
(TW)
MX)
470p 250V (EXCEPT TW)
C923
1.2kV
3300p
(TW)
(EXCEPT TW)
100P 250V (TW)
C907
STR-W6765N (EXCEPT TW)
STR-W6735N (TW)
0.36 2W (EXCEPT TW)
0.22 2W (TW)
R921
0.33 2W (TW)
R922
0.47 2W (EXCEPT TW)
0
R928
DZ2J068M0L
D931
(TW)
(EXCEPT TW)
CL902
(EXCEPT E32, MX)
(Page 11)
Ver. 1.1
TA-SA400WR
TA-SA400WR
14
14
4-6. PRINTED WIRING BOARDS - WLK4-PANEL/WLK4-TERM Boards -
4-7. SCHEMATIC DIAGRAM - WLK4-PANEL/WLK4-TERM Boards -
•
: Uses unleaded solder.
C222
C223
CL311
CL313
CL314 CL315
C120
C123
1
4
TB300
EB905
CN303
CL301
CL302
CL303
CL304
C581
(RED)
(GRN)
1
4
D580
CN304
S500
S500
D580
SUR L
SUR R
SPEAKERS
(CHASSIS)
WLK4-TERM BOARD
S500
1-883-180-
LINK/STANDBY
WLK4-PANEL BOARD
1-883-181-
A
B
C
D
1
2
WLK5_BOARD
CN105
>03P
11
(12)
11
(12)
WLK5_BOARD
CN103
>01P
C120
0.01
+
–
+
–
CL311
CL313
CL314
CL315
E
EB905
1
2
3
4
4P
CN303
SL(–)
SL(+)
SR(–)
SR(+)
C123
0.01
C223
0.01
C222
0.01
CL304
CL303
CL302
1
2
3
4
4P
CN304
GND
LED(R)
LED(G)
POWER_SW
CL301
1000p
C581
SML72423C-TP15
D580
S500
WLK4-TERM BOARD
(CHASSIS)
A
D
C
4
B
1
3
2
WLK4-PANEL BOARD
(RED)
(GRN)
LINK/STANDBY
/
BOARD
CN105
>03S
WLK5_MAIN
BOARD
CN103
>01S
WLK5_MAIN
SUR R
SUR L
SPEAKERS
TB300
(Page 11)
(Page 11)
(Page 10)
(Page 10)
TA-SA400WR
15
• IC Block Diagrams
– WLK5_MAIN Board –
IC101 PST8435UL
IC101 PST8435UL
IC103 TC74LCX74FT (EKJ)
IC104 CXD9981UTN
GND 1
VDD 2
+
–
–
VREF
OUT
4
CD
3
14
1 2 3
4 5 6
7
13 12 11
10
9 8
VCC
GND
CK
CLR
CK
CLR
Q
PR
Q
Q
PR
Q
D
D
12
11
10
13
14
15
16
9
8
17
18
22
21
5
6
7
26
25
4
AGND
GVDD_C
GND
GND_B
OUT_D
GND_D
GND_C
GND_A
OUT_A
44
41
40
39
38
37
36
35
34
33
33
32
31
30
29
28
27
PWM
RCV.
OVERLOAD
PROTECTION
TEMP.
SENSE
GATE
DRIVE
ISENSE
POWER
ON
RESET
INTERNAL PULLUP
RESISTORS TO VREG
OUT_C
BST_C
PVDD_C
PVDD_D
PVDD_D
PVDD_D
NC
BST_D
GVDD_D
GVDD_D
BST_B
OUT_B
PVDD_B
GVDD_A
PVDD_A
PVDD_A
PVDD_A
VREG
VDD
PWM_D
/RESET_CD
PWM_C
M1
M2
M3
VREG
OC_ADJ
PWM_B
/RESET_AB
/SD
/OTW
PWM_A
2
NC
3
1
NC
GVDD_B
20
NC
19
NC
PROTECTION
AND
I/O LOGIC
BTL/P BTL-CONFIGURATION
PULLDOWN RESISTORS
BTL/P BTL-CONFIGURATION
PULLDOWN RESISTORS
BTL/P BTL-CONFIGURATION
PULLDOWN RESISTORS
BTL/P BTL-CONFIGURATION
PULLDOWN RESISTORS
UNDER
VOLTAGE
PROTECTION
VREG
43 BST_A
42 NC
24
23
23
VREG
4
4
CTRT.
TIMING
PWM
RCV.
GATE
DRIVE
CTRT.
TIMING
PWM
RCV.
GATE
DRIVE
CTRT.
TIMING
PWM
RCV.
GATE
DRIVE
CTRT.
TIMING
TA-SA400WR
16
IC105 CXD9843AR
IC106 MM3404A18URE
IC108 S-1170B33UC-OTSTFG
12
11
10
9
8
7
6
5
4
3
VSUBC
XVSS
OUTR2
VSSR
OUTR1
VDDR
VSSL
VSSR
OUTL2
OUTL1
VSSL
VDDL
2
1
PWM
CLOCK
GENERATOR
(SECONDARY)
CLOCK
GENERATOR
(PRIMARY)
31
29
25 OVFFLAGL
26 SFLAG
27 INIT
30
S
g P
GAIN
CONTROL
INIT/
MUTE
SAMPLING
RATE
CONVERTER
FILTER &
LOW CUT
FILTER
LINER
INTERPOLATOR
'6
48
XFSOIN
47
XVDD
HPVDDL
46
45
HPOUTL1
HPVSSL
44
43
HPOUTL2
HPVDDR
42
41
HPOUTR1
HPVSSR
40
HPOUTR2
39
37
FSOCKO
38
FSOI
13
XOVSS
14
XFSOOUT
15
XOVDD
16
DVDD
17
DVSS
18
NSPMUTE
19
SOFTMUTE
20
PGMUTE
SERIAL
CONTROLLER
21
SCDT
22
SCSHIFT
23
SCLA
TCH
24
OVFFLAGR
28 MCKSEL
32 BFVDD
33 BFVSS
34 TEST
35 DVDD
36 XFSIIN
LRCK
BCK
DATA
VOUT
3
CE 1
GND 2
VDD
4
+
–
VOLTAGE
REFERENCE
CURRENT
LIMIT
BIAS
VOUT
VIN
5
ON/OFF
4
1
VSS 2
NC 3
+
–
–
OVERCURRENT
PROTECTION
THERMAL
SHUTDOWN
REFERENCE
VOLTAGE
ON/OFF
CONTROL
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