Sony DAV-HDX275 / DAV-HDX277WC / DAV-HDX279W / DAV-HDX475 / DAVHDX576WF / DAV-HDX675 / HCD-HDX275 / HCD-HDX277WC / HCD-HDX279W / HCD-HDX475 / HCD-HDX576WF / HCD-HDX675 Service Manual ▷ View online
HCD-HDX275/HDX277WC/HDX279W/HDX475/HDX576WF/HDX675
HCD-HDX275/HDX277WC/HDX279W/HDX475/HDX576WF/HDX675
63
63
6-38. SCHEMATIC DIAGRAM - POWER Board -
• See page 65 for IC Block Diagrams.
BOARD
CN904
(4/12)
D
MAIN
(6/12)
BOARD
J
MAIN
CN506
IC B/D
IC B/D
IC B/D
T1
INC
BOARD
CN805
S-AIR
T2
CON
BOARD
CN111
S-AIR
3.3
151
20
152
0.4
152
0
15.5
1.6
1.8
20
20.1
19.3
28
21.3
21.7
0
3.4
0
0
0.7
3.4
3.3
14.4
11
.9
1
11.9
10
10
0
1.2
0
3.5
2.6
1.6
2.4
2.6
4.6
0.2
14.5
10
6.8
4.1
0.4
3.1
2.2
3.1
3.1
0
31
0
29.2
2.5
32.2
31.1
4
2.9
1.7
0.8
32.1
15.2
275V
0.22
C902
TH901
D5SBA60F01
D901
250V
0.01
C920
250V
0.01
C918
250V
100p
C930
250V
100p
C913
R903
R904
SARS03
D913
12345
STR-F6138-LF1352
(EXCEPT HDX275: E3, AUS)
STR-F6168-LF1352
(HDX275: E3, AUS)
IC901
OCP/SYNC
GND
D
VCC
FB/OLP
35V
47
C908
4700p
C911
220p
C909
220
R911
10
R905
D1NL20U-TR2
D905
3.3k
R906
2SA1015TP-YGR
Q901
10k
R907
C907
2.2k
R910
C910
100k
R909
TLP421F(D4-GR)
PC901
1
2
3
4
35V
2200
C932
35V
2200
C933
35V
2200
C934
0.1
C939
470k
R936
4.7k
R933
0.047
C937
3
1
2
TA76431AS(TPE6)
IC931
1k
R935
RT1N441C-TP-1
Q943
RT1N441C-TP-1
Q947
10uH
L945
10V
470
C948
25V
470
C942
0.1
C951
TP901
TP902
TP903
TP904
TP911
TP907
TP908
TP914
TP918
TP912
TP913
1k
R967
1k
R966
16V
470
C945
10uH
L947
10uH
L948
S
RSR025N03TL
Q945
47k
R957
1k
R958
16V
100
C976
3.3k
R974
TP915
TP916
TP917
R901
∗
∗
∗
∗R901
∗C963, 964
1M 1/2W (EXCEPT HDX275: E3, AUS)
1.5M 0.5W (HDX275: E3, AUS)
1.5M 0.5W (HDX275: E3, AUS)
2200p 250V (EXCEPT HDX275: E3, AUS)
470p 250V (HDX275: E3, AUS)
∗
∗
∗
∗
∗C905
∗R903, 904
33k 3W (EXCEPT HDX275: E3, AUS)
100k 3W (HDX275: E3, AUS)
100k 3W (HDX275: E3, AUS)
1000 200V
(EXCEPT HDX275: E3, AUS)
(EXCEPT HDX275: E3, AUS)
(HDX275: E3, AUS)
(HDX275: E3, AUS)
330 450V
10 50V
(EXCEPT HDX275: E3, AUS)
(EXCEPT HDX275: E3, AUS)
(HDX275: E3, AUS)
20 50V
0.01 400V
(EXCEPT HDX275: E3, AUS)
(EXCEPT HDX275: E3, AUS)
(HDX275: E3, AUS)
3300p 400V
∗C907
1500p
(EXCEPT HDX275: E3, AUS)
(EXCEPT HDX275: E3, AUS)
(HDX275: E3, AUS)
1000p
275V
0.22
C901
(8A/125V) (EXCEPT HDX275: E3, AUS)
(T63mAL/250V) (HDX275: E3, AUS)
(T63mAL/250V) (HDX275: E3, AUS)
F901
1
3
3P
CN901
LIVE
NUTRAL
C903
R912
R913
0.22
2W
CL001
1.5kV
3300p
C980
C905
1
43
2
LF901
1
43
2
LF902
1
3
10
11
2
9
12
13
14
5
8
4
6
T901
JW905
JW916
JW915
JW912
JW913
JW911
JW910
JW981
JW982
TP919
JW983
JW984
JW988
JW986
L944
10uH
0.01
C936
0.01
C971
1
2
3
4
5
SI-3010KM-TLS
IC941
Vcont
Vi
n
GND
Vo
ut
Sense
C935
0.01
C964
C963
FMX-22SL
D931
5.6uH
L931
E
EB902
E
EB904
R914
VDR901
100k
R928
2SD1616A-TP-LK
Q922
10V
3300
C927
16V
1000
C940
1000p
C922
3
1
2
TA76L431S(TPE6,Q)
IC922
1k
R955
D10SC9M
D912
400V
3300p
C924
D1NL20U-TR2
D902
2200p
C923
TLP421F(D4-GR)
PC902
1
2
3
4
25V
1000
C929
25V
47
C912
10
R925
16V
2700
C928
SF5S6
D916
4.7k
R917
470
R930
22k
R923
3.9k
R954
2.2k
R998
470
R956
10k
R921
22k
R919
0.01
C992
SF5S6
D947
3W
100k
R916
2W
0.18
R922
JW918
2SC3052EF-T1-LEF
Q949
RT1N441C-TP-1
Q950
22k
R945
3.3k
R946
4.7
R992
JW941
JW940
D10SC4M
D911
2SC3052EF-T1-LEF
Q921
2SC3052EF-T1-LEF
Q930
1
3
4
5
5P
CN904
P-GND
P-GND
+31.5V
+31.5V
R975
100k
R976
220k
22k
R927
10k
R999
MA2J1110GLS0
D909
MA2J1110GLS0
D907
MA2J1110GLS0
D914
MA2J1110GLS0
D908
MA2J1110GLS0
D924
MA2J1110GLS0
D923
MA2J1110GLS0
D922
MA2J1110GLS0
D949
MA2J1110GLS0
D948
MA2J1110GLS0
D910
MAZ8120GMLS0
DZ903
MAZ8100GMLS0
DZ915
MA2J1110GLS0
D906
100V
22
C926
TP910
2.2k
R939
1k
R931
4.7k
R965
TP905
TP906
TP921
TP922
TP923
TP924
TP925
TP926
TP927
TP928
JW985
PS2561AL1-1-V-W
PC904
1
2
3
4
PS2561AL1-1-V-W
PC903
1
2
3
4
JW914
SARS03
D903
JW908
JW925
JW942
0.01
C984
22k
R932
MAZ8056GMLS0
DZ904
MA2J1110GLS0
D941
10k
R972
100k
R941
10k
R942
10uH
L953
R952
1k
MAZ8033G0LS0
DZ953
470
R960
10k
R937
10k
R940
1k
R938
MAZ8056GMLS0
DZ932
0.1
C950
10k
R959
0.047
C983
19
7
5
4
3
2
MR4020-7103
IC921
ZC
FB
GND
VCC
S/OCL
VIN
D
T903
2
9
12
10
11
14
16
13
15
3
4
7
8
1
5
22k
R924
EG01C LF-F7
D921
10uH
L956
10uH
L954
1/2W
FR929
1
MAZ8180GMLS0
DZ901
MAZ8220GLLSO
DZ902
2SC3052EF-T1-LEF
Q931
R
T1N441C-TP-1
Q932
R993
10k
R994
330k
R995
100k
C996
10
250V
470p
C938
PS954
PS956
C995
0.1
1k
R920
0.1
C997
470
R963
0.1
C990
0.1
C991
0.1
C993
16V
220
C943
0.1
C969
0.1
C970
C916
0.1
E
EB907
0.1
C975
C987
0.1
1
2
3
4
5
6
7
8
9
10
11
12
13
13P
CN906
P.CONT1
EN
P.CONT3
E+4V
6V
6V
D-GND
D-GND
M+9V
M-GND
14V
12V
A-GND
100k
R926
1k
R951
1k
R934
2KV
47p
C925
4.7k
R978
4.7k
R908
100
R949
2kV
150p
C921
1
2
2P
CN908
S-AIR-GND
E+4V
1.5kV
1000p
C906
IC941
+12V REGULATOR
POWER BOARD
SHUNT REGULATOR
IC922
POWER CONTROL
IC901
POWER CONTROL
IC921
(AC IN)
(CHASSIS)
MAIN POWER
TRANSFORMER
ISOLATOR
ISOLATOR
TRANSFORMER
SUB POWER
ISOLATOR
ISOLATOR
Q921
STANDBY CONTROL
Q930-932
POWER ON/OFF CONTROL
(CHASSIS)
Q922
RIPPLE FILTER
B+ SWITCH
Q901
B+ SWITCH
REGULATOR
IC931
SHUNT
Q943, 947, 949, 950
POWER ON/OFF CONTROL
(CHASSIS)
7
11
D
B
16
6
9
17
10
F
5
15
3
G
1
18
12
C
E
H
8
J
4
13
A
14
2
I
~
~
HDX275: E3, AUS
EXCEPT
HDX275: E3, AUS
EXCEPT
∗
∗
∗R914
0.05 1W
(EXCEPT HDX275: E3, AUS)
(EXCEPT HDX275: E3, AUS)
(HDX275: E3, AUS)
0.05 0.15W
∗R912
0.33 2W
(EXCEPT HDX275: E3, AUS)
(HDX275: E3, AUS)
0.22 2W
HDX275/HDX475/
HDX675
HDX675
HDX277WC/HDX279W/
HDX576WF
HDX576WF
(Page 39)
(Page 49)
(Page 51)
(Page 41)
HCD-HDX275/HDX277WC/HDX279W/HDX475/HDX576WF/HDX675
HCD-HDX275/HDX277WC/HDX279W/HDX475/HDX576WF/HDX675
64
64
• Waveforms
– MAIN Board –
– MAIN Board –
IC3051
1 V/DIV, 10 ns/DIV
IC1101 R (DVDRFIP)
(DVD play mode)
(DVD play mode)
600 mVp-p
IC3010
IC1101 [
Y (R/Cr/Pr)
H
0.7 Vp-p
RB
[
C (Y/G)
H
1 Vp-p
20 ns
3.6 Vp-p
1 V/DIV, 10 ns/DIV
20 ns
3.8 Vp-p
SL (XFSOIN)
IC3010
1 V/DIV, 10 ns/DIV
20 ns
3.8 Vp-p
RL (XFSOOUT)
IC501
1 V/DIV, 100 ns/DIV
200 ns
3.2 Vp-p
RE (Xout)
RT
IC1101
500 mV/DIV, 20 ns/DIV
37 ns
1.6 Vp-p
(XTALO)
IC702
1 V/DIV, 50 ns/DIV
200 mV/DIV, 100 ns/DIV
XB (XOUT(O))
500 mV/DIV, 20
μs/DIV
IC1101 [
D (B/Cb/Pb)
H
0.7 Vp-p
500 mV/DIV, 20
μs/DIV
1 V/DIV, 20
μs/DIV
R
IC1101 [
(C)
IC1101 [[
YD
(Y)
H
1 Vp-p
1 V/DIV, 20
μs/DIV
IC1101
H
1 Vp-p
500 mV/DIV, 20
μs/DIV
81 ns
3.4 Vp-p
FB
IC802
3.4 Vp-p
81 ns
1 V/DIV, 20 ns/DIV
SB
IC404
(CIN)
IC404
(YIN)
ST
SG
IC404
RG (CrIN)
SH
IC404
RT (CbIN)
SI
IC404 RI (Cr OUT)
SK
IC404 RL (Cb OUT)
SL
IC404 X (CY OUT)
SM
IC404 XE (CVBS OUT)
500 mV/DIV, 20
μs/DIV
H
1.5 Vp-p
1 V/DIV, 20
μs/DIV
H
0.7 Vp-p
500 mV/DIV, 20
μs/DIV
H
0.8 Vp-p
H
2 Vp-p
1 V/DIV, 20
μs/DIV
1 V/DIV, 20
μs/DIV
H
1 Vp-p
500 mV/DIV, 20
μs/DIV
IC404
(CVIN)
R
SE
H
1 Vp-p
500 mV/DIV, 20
μs/DIV
H
0.7 Vp-p
500 mV/DIV, 20
μs/DIV
H
1.5 Vp-p
1 V/DIV, 20
μs/DIV
H
2.4 Vp-p
UB
Q100
10 V/DIV, 5
μs/DIV
6.6
μs
28 Vp-p
– S-AIR INC Board –
– I/O Board –
– FL Board –
HCD-HDX275/HDX277WC/HDX279W/HDX475/HDX576WF/HDX675
65
1
VC
TSD
2
VIN
3
GND
4
VOUT
5
ADJ
+
–
REF
1
2
3
6
4
CONT
GND
NP
VIN
5
GND
VOUT
CONTROL
CIRCUIT
BANDGAP
REFERENCE
CONSTANT
CURRENT
SOURCE
OVER HEAT &
OVER CURRENT
PROTECT
VDD 2
OUT 1
GND 3
+
–
VREF
CD
5
NC
4
• IC Block Diagrams
– MAIN Board –
– MAIN Board –
IC201, 505, 506 SI-3010KM-TLS
IC502 TK11250CMCL-G
IC503 PST3635NR
38
37
36
23
24
1
2 3
4
5
44
8 9 10
46
17
22
21
20
21
20
30
35
25
26
27
28
29
32
33
34
16
45
13
14
15
47
40
41
48
CL
39
XSEL
CE
DI
EMPHA
AUDIO
DISEL
DOUT
DINO
DINI
DIN2
6
DGND
7
DVDD
11
AV
D
D
12
AGND
DOSEL0
R
VIN
LPF
CKSEL0
XSTATE
18 DGND
19 DVDD
XIN
XOUT
XMCK
XOUT
XMCK
XSEL
31
DGND
DO
CSFLAG
F0
F1
F2
VF
ERR9P
BPSYNC
ERROR
DATAO
DOSEL1
CKOUT
BCK
LRCK
CKSEL1
MODE0
MODE1
42
DGND
43
DVDD
XMODE
TIMING
MICROCOMPUTER
INTERFACE
SAMPLING
FREQUENCY
C BIT
DETECT
PA/PB
DETECT
LOCK
DETECT
INPUT
CIRCUIT
DATA
DEMODULATOR
PLL
X’ TAL
IC702 LC890561W-E
HCD-HDX275/HDX277WC/HDX279W/HDX475/HDX576WF/HDX675
66
DELTA-SIGMA
MODULATOR
DELTA-SIGMA
MODULATOR
ANTIALIAS
LOW-PASS FILTER
ANTIALIAS
LOW-PASS FILTER
AGND
VCC
2
3
3
VDD
DGND
4
5
5
LRCK 7
REFERENCE
× 1/64
DECIMATION
FILTER
WITH
HIGH-PASS
FILTER
SERIAL
INTERFACE
&
MODE/FORMAT
CONTROL
FMT
12
VINR
14
VINL
13
MD1
11
MD0
10
DOUT
9
BCK
8
CLOCK & TIMING CONTROL
POWER
SUPPLY
SUPPLY
SCKI 6
VREF 1
IC707 PCM1808PWR
CONTROL
CIRCUIT
BANDGAP
REFERENCE
+
–
OVER HEAT &
OVER CURRENT
PROTECTION
1
VCONT
3
NP
2
GND
4
VOUT
5
VIN
IC1105, 1107, 1708 TK11133CSCL-G
IC1707, 507 TK11150CSCL-G
IC3050 TK11118CSCL-G
IC1707, 507 TK11150CSCL-G
IC3050 TK11118CSCL-G
SELECT
11
6
ST
11
7
A 1
2
3
A
B
Y
5
Y
B
GND 4
VCC
8
Y
EN G
Y
IC3003 TC7WH157FK (TE85R)
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