Sony DAV-HDZ273 / HCD-HDZ273 Service Manual ▷ View online
HCD-HDZ273
HCD-HDZ273
49
49
6-24. SCHEMATIC DIAGRAM – POWER Board –
• See page 54 for IC Block Diagrams.
(Page 41)
(Page 37)
MAIN
(9/9)
D
BOARD
CN904
(5/9)
BOARD
CN506
MAIN
E
IC B/D
IC B/D
303
3.3
19.9
303
0.4
19.9
19.2
19.9
32
30.9
1.7
0.1
4.1
3
0
30.9
0
3.1
2.5
28.9
0.3
3.1
0
9.5
9.6
11.9
3.3
13.8
11.9
1
2.3
2.6
3.5
2.6
1.6
0
1.2
0
0
3.4
3.4
0
0
0.7
0.1
2.7
1.2
1.6
15.4
0
303
302
27.5
21.6
21
32
3.3
3.2
2.9
4.1
6.6
3.2
2.9
4.1
6.6
9.5
13.7
11.9
11.9
1M
1/2W
Q921
C975
TP927
NC
FMX-22SL
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
1
2
3
4
5
STR-F6138-LF1352
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
Q901
ON/OFF SWITCH
2SA1015TP
10k
R907
C907
2.2k
R910
C910
100k
R909
PC901
TLP421F(D4-GRJ)
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
TP902
TP903
TP904
TP911
TP907
TP908
TP914
TP918
TP912
TP913
1k
R967
1k
R966
16V
470
C945
10uH
L947
10uH
L948
S
RSR025N03TL
Q945
B+ SWITCH
47k
R957
1k
R958
16V
100
C976
3.3k
R974
TP915
TP916
TP917
275V
0.22
C901
F901
1
3
CN901
2P
LIVE
NUTRAL
C903
R912
R913
0.22
2W
CL001
CL003
1.5kV
3300p
C980
C905
1
4
3
2
LF901
1
4
3
2
LF902
1
3
10
11
2
9
12
13
14
5
8
4
6
T901
MAIN
TRANSFORMER
NC
NC
JW905
JW916
JW915
JW912
JW913
JW911
JW910
JW981
JW982
TP919
FH901
FH902
JW983
JW984
JW988
JW986
L944
10uH
0.01
C936
0.01
C971
1
2
3
4
5
SI-3010KM-TL
IC941
Vcont
Vi
n
GND
Vo
ut
Sense
C935
0.01
C964
C963
D931
5.6uH
L931
E
EB902
E
EB904
R914
VDR901
100k
R928
Q922
2SC3243
+21V REG
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
PC902
TLP421F(D4-GRJ)
25V
1000
C929
25V
47
C912
10
R925
16V
2700
C928
SF5S6
D916
4.7k
R917
470
R930
0.5%
22k
R923
0.5%
3.9k
R954
0.5%
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
D91
1
2SC3052EF-T1-LEF
2SC3052EF-T1-LEF
Q930
1
3
4
5
CN904
4P
P-GND
P-GND
+31.5V
+31.5V
R975
100k
0.5%
R976
220k
0.5%
22k
R927
0.5%
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
0.5%
2.2k
R939
0.5%
1k
R931
0.5%
4.7k
R965
TP905
TP906
TP921
TP922
TP923
TP924
TP925
TP926
TP928
JW985
PC904
PS2561AL1
PC903
PS2561AL1
JW914
SARS03
D903
JW908
JW925
JW942
0.01
C984
2kV
150p
C921
0.5%
22k
R932
MAZ8056GMLS0
DZ904
MA2J1110GLS0
D941
0.5%
10k
R972
100k
R941
0.5%
10k
R942
0.5%
10uH
L953
R952
1k
MAZ8033G0LS0
DZ953
470
R960
0.5%
10k
R937
0.5%
10k
R940
0.5%
1k
R938
MAZ8056GMLS0
DZ932
0.1
C950
0.5%
10k
R959
0.047
C983
1
9
7
5
4
3
2
MR4020-7103
IC921
ZC
FB
GND
VCC
S/OCL
VIN
D
T903
SUB
TRANSFORMER
22k
R924
EG01C LF-F7
D921
10uH
L956
10uH
L954
1/2W
FR929
1
MAZ8180GMLS0
DZ901
MAZ8220GLLSO
DZ902
2SC3052EF-T1-LEF
Q931
RT1N441C-TP-1
Q932
R993
10k
R994
330k
R995
100k
C996
10
250V
C938
470p
PS954
PS956
C995
0.1
1k
R920
0.1
C997
0.5%
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
(CHASSIS)
0.1
1
2
3
4
5
6
7
8
9
10
11
12
13
13P
CN906
P_CONT1
EN
P_CONT3
E+4V
E+4V
6V
6V
6V
D-GND
D-GND
M+9V
M-GND
14V
12V
A-GND
D-GND
M+9V
M-GND
14V
12V
A-GND
0.5%
100k
R926
0.5%
1k
R951
1k
R934
2KV
47p
C925
4.7k
R978
4.7k
R908
100
R949
E
EB905
R901
P_GND
POWER BOARD
SWITCHING REGULATOR
IC901
SWITCHING REGULATOR
IC921
SHUNT REG
IC931
SHUNT REG
IC922
4
3
1
2
4
3
1
4
3
1
2
4
3
1
2
2
Q943,947
POWER DOWN DETECT
Q949,950
POWER PROTECT
Q930-932
POWER CONTROL
AC IN
3
F
D
13
10
A
8
H
2
11
4
E
5
I
G
C
6
7
1
12
B
9
1
2
3
4
5
7
8
9
10
11
12
13
14
15
16
+12V REG
IC941
8A 125V
(CHASSIS)
0.01
400V
33k
3W
33k 3W
1000
200V
2200p
250V
2200p
250V
(CHASSIS)
10
50V
1500p
0.05
5W
0.22
2W
F945
2A
(CHASSIS)
HCD-HDZ273
HCD-HDZ273
50
50
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 H P
GAIN
CONTROL
INIT/
MUTE
SAMPLING
RATE
CONVERTER
FILTER &
LOW CUT
FILTER
LINER
INTERPOLATOR
Δ Σ
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
• IC Block Diagrams
IC1201 FAN8036L (MAIN Board (4/9))
IC3003 TC7WH157FK(TE85R) (MAIN Board (7/9))
SELECT
11
6
ST
11
7
A 1
2
3
A
B
Y
5
Y
B
GND 4
VCC
8
Y
EN G
Y
OUT1
IN 1-
FI N
(GND)
FI N
(GND)
IN2 +
IN 2-
OUT2
R ES1
REGCTL
IN 3+
IN3 -
OUT3
IN 4+
FI N
(GND)
IN
4-
OUT
4
CT
L
FW
D
RE
V
M
U
T
E
123
MU
T
E
4
TS
D
_M
P
V
CC2
DO5-
DO5+
P G ND2
DO4-
DO4+
DO3-
DO3+
REGO2
REGO1
P GND1
DO2-
DO2+
DO1-
FI N
(GND)
DO1+
P
V
CC1
RE
GV
CC
OPOUT2
OPI
N
2-
OPI
N
2+
VR
EF
SVC
C
OP
OUT1
OP
IN
1-
OPI
N
1+
IN
1+
SG
N
D
REGVCC
RES2
REGVCC
REGVCC
REGVCC
PS
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
MUTE123 MUTE4
PS
TSD_M
S
W
M
S
C
C
+
-
TSD
REGVCC
IC3010 CDX9788AR (MAIN Board (9/9))
IC3020 CDX9788AR (MAIN Board (9/9))
IC3030 CDX9788AR (MAIN Board (8/9))
IC3020 CDX9788AR (MAIN Board (9/9))
IC3030 CDX9788AR (MAIN Board (8/9))
IC702 LC89056W-E (MAIN Board (7/9))
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
41
48
CL (I)
39
XSEL (I)
CE (I)
DI (I)
EMPHA (O)
AUDIO (O)
DISEL
(I)
SPDIF (O)
DINO (I) (MTK)
DINI (I) (OPT)
DIN2 (I) (COAX)
6
DGND
7
DVDD
11
AV
D
D
12
AGND
DOSEL0 (I)
SDIN/R
AGND/VIN
LPF (O)
CKSEL0 (I)
XSTATE (O)
18 DGND
19 DVDD
XIN (I)
XOUT (O)
XMCK (O)
XOUT (O)
XMCK (O)
DVDD
31
DGND
DO (O)
CSFLAG (O)
F0 (O)
F1 (O)
F2 (O)
VF (O)
VREF
BPSYNC (O)
ERROR (O)
DATAO (O)
DOSEL1 (I)
CKOUT (O)
BCK (O)
LRCK (O)
CKSEL1 (I)
MODE0 (I)
MODE1 (I)
MODE1 (I)
42
DGND
43
DVDD
XMODE (I)
TIMING
MICROCOMPUTER
INTERFACE
SAMPLING
FREQUENCY
C BIT
DETECT
PA/PB
DETECT
LOCK
DETECT
SYSTEM
RESET
MODE
SELECT
INPUT
CIRCUIT
DATA
DEMODULATOR
PLL
CLOCK
HCD-HDZ273
51
IC707 PCM1808PWR (MAIN Board (7/9))
Reference
Delta Sigma
Modulator
× 1/64
Decimation
Filter
with
HighúPass Filter
Power
Supply
Supply
Clock
and
and
Control
Timing
Antialias
LPF
Delta Sigma
Modulator
Serial
Interface
Mode/
Format
Control
Antialias
LPF
BCK
VINL
VREF
VINR
AGND
VCC
1
VDD
DGND
LRCK
DOUT
SCKI
FMT
MD1
MD0
2
3
4
5
6
7
8
9
9
10
13
14
11
12
12
IC507
TK11150CSCL-G (MAIN Board (5/9))
IC1105 TK11133CSCL-G (MAIN Board (1/9))
IC1107 TK11133CSCL-G (MAIN Board (1/9))
IC1707 TK11150CSCL-G (MAIN Board (3/9))
IC1708 TK11133CSCL-G (MAIN Board (3/9))
IC3050 TK11118CSCL-G (MAIN Board (9/9))
IC1107 TK11133CSCL-G (MAIN Board (1/9))
IC1707 TK11150CSCL-G (MAIN Board (3/9))
IC1708 TK11133CSCL-G (MAIN Board (3/9))
IC3050 TK11118CSCL-G (MAIN Board (9/9))
1
2
3
5
4
CONT
GND
NP
VIN
VOUT
CONTROL
CIRCUIT
OVER HEAT &
OVER CURRENT
PROTECTION
BANDGAP
REFERENCE
HCD-HDZ273
52
IC3100 CXD9883M (MAIN Board (9/9))
IC3150 CXD9883M (MAIN Board (9/9))
IC3200 CXD9883M (MAIN Board (9/9))
IC3250 CXD9883M (MAIN Board (9/9))
IC3300 CXD9883M (MAIN Board (8/9))
IC3400 CXD9883M (MAIN Board (8/9))
IC3150 CXD9883M (MAIN Board (9/9))
IC3200 CXD9883M (MAIN Board (9/9))
IC3250 CXD9883M (MAIN Board (9/9))
IC3300 CXD9883M (MAIN Board (8/9))
IC3400 CXD9883M (MAIN Board (8/9))
1
10
9
8
11
12
13
14
7
6
15
16
17
18
3
4
5
20
19
2
GND
GND
GND
GND
GND
GND
36
35
34
33
32
31
30
29
28
27
26
25
24
23
22
21
Stuck
Detect
Stuck
Detect
Timing
Control
Timing
Control
Protection
Logic
Protection
Logic
Gate
Drive
Gate
Drive
Gate
Drive
Gate
Drive
Over
Current
Fault
Over
Current
Fault
Over
Current
Fault
Over
Current
Fault
Programmable
Current sense
OUT_B
OUT_B
OUT_B
PVDD_B
PVDD_B
PVDD_B
OUT_A
OUT_A
OUT_A
PVDD_A
PVDD_A
PVDD_A
REG
Protection
and
Reset
Logic
OLP
OTP
CB3C
Temperature
waming/error
Power-Up
Reset
Under
Voltage
Protection
/HIZ_HS_B
/HIZ_HS_A
/HIZ_LS_B
/HIZ_LS_A
/OCL_B
/OCL_A
/OCH_B
/OCH_A
/RESET_A
/RESET_B
VREG
/HIZ_HS_X
/HIZ_LS_X
/OCH_X
/OCL_X
/RESET_X
/OCH_X
/OCL_X
/RESET_X
/PCR
/UVP
/UVP
/UVP_VREG
VREG
GVDD_A
GVDD_B
GVDD_B
VREG
GND
GND
GND
BST_B
GVDD_B
VDD
PWM_B
M1
M2
M3
VREG
OC_ADJ
PWM_A
RESET
SD
OTW
GVDD_A
BST_A
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