Sony STR-DA777ES / STR-V777ES / VUCD-777A Service Manual ▷ View online
STR-DA777ES/V777ES
9
9
3-3. BLOCK DIAGRAM DIGITAL SECTION
D16-31
6
DIRECT L
LINE L
MCK
BCK
LRCK
SIA
SIB
SIC
SID
BCK0
LRCK0
B
(Page 8)
IC345
4
2
1
16
20
23
25
.
HA0
15
110
BK OUT
BCK0
113
DSP1
IC348
LRCK0
115
SIA
117
SIB
118
SIC
119
SID
120
XHDWR
9
XHDRD
10
XRST
26
XHDCS
14
HRDY
13
HD0
HD7
114
BCK1
109
LR OUT
116
LRCK1
2
SOA
3
SOB
4
SOC
5
SOD
70
XOE
74
XWE
100
CLKO
99
CLKI
A0-16
X303
10MHz
IC359,360
SRAM
D24-31
16
20
23
25
.
HA0
15
BCK1
114
DSP2
IC347
LRCK1
116
SIA
117
SIB
118
SIC
119
SID
120
XHDWR
9
XHDRD
10
XRST
26
XHDCS
14
HRDY
13
HD0
HD7
2
SOA
3
SOB
4
SOC
5
SOD
70
XOE
74
XWE
100
CLKO
99
CLKI
A0-12,14,15
X302
10MHz
IC356
SRAM
BCK0
113
LRCK0
115
8
9
IC345
11
12
XHDWR
9
XHDRD
10
XRST
26
10
13
5
3
DIGITAL FILTER
IC338
XTI
6
BCLK
2
LRC
28
D IN
1
SRO
27
MUTE
15
RST
14
24
DOL
26
BCKO
25
WCKO
D/A CONV.
IC320
DATA
1
BCLK
2
WCLK
7
5
IOUT 5
DIGITAL FILTER
IC339
XTI
6
BCLK
2
LRC
28
D IN
1
SRO
27
MUTE
15
RST
14
24
DOL
26
BCKO
25
WCKO
D/A CONV.
IC322
DATA
1
BCLK
2
WCLK
7
5
IOUT 5
DIGITAL FILTER
IC340
XTI
6
BCLK
2
LRC
28
D IN
1
SRO
27
MUTE
15
RST
14
24
DOL
26
BCKO
25
WCKO
D/A CONV.
IC324
DATA
1
BCLK
2
WCLK
7
5
IOUT 5
23
DOR
D/A CONV.
IC323
DATA
1
BCLK
2
WCLK
7
5
IOUT 5
6
2
1
7
IC301
EQ SWITCH
Q2301-2302
3
1
IC2301
3
2
1
IC2302
GF2
GF4
GF8
6
2
1
7
IC303
EQ SWITCH
Q2401-2403
3
1
IC2405
3
2
1
IC2402
GC2
GC4
GC8
6
2
1
7
IC304
EQ SWITCH
Q2451-2453
5
7
IC2405
5
6
7
IC2402
GW2
GW4
GW8
6
2
1
7
IC305
EQ SWITCH
Q2501-2503
5
7
IC2505
5
6
7
IC2502
GS2
GS4
GS8
R-CH
5.1CH FR
J1801
5.1CH FL
5.1CH CT
5.1CH SW
5.1CH LS
5.1CH RS
R-CH
5
7
IC2403
RS5
21
RS3
24
RS1
27
DATA
16
CK
15
ST
13
ANA DATA
ANA CLK
FUNCTION SW
IC2305
19
COM3
22
COM2
25
COM1
3
1
IC2403
3
1
IC2304
14
3
9
8
10
ANA CLK
IC2401
LEVEL
SHIFT
SHIFT
ANA DATA
15
2
3
1
IC2403
5
7
IC2404
5
7
IC2503
3
9
8
10
ANA CLK
IC2501
LEVEL
SHIFT
SHIFT
ANA DATA
2
5
7
IC2504
ST
13
CK
15
DATA
16
LS7
10
LS8
11
LS4
6
LS5
7
ANA CLK
ANA DATA
12
LCOM3
MUTE
Q2504
9
LCOM2
MUTE
Q2454
LS1
2
LS2
3
5
LCOM1
MUTE
Q2404
RS5
22
RS6
21
20
RCOM2
MUTE
Q2304
RS4
23
FUNCTION SW
IC2306
L
C
W
LS
C
(Page 10)
MUTE CONT
Q2307-2308
RELAY DRIVE
Q2305,2306
6
2
IC2309
1
7
IC2309
RY2301
4
1
2
IC361
BUFFER
Q2401-2415
GC2
GC4
GC8
MUTE
BC2
BC4
BC8
BUFFER
Q2460-2465
GW2
GW4
GW8
BW2
BW4
BW8
SHIFT
REGISTER
IC2307
3
2
1
5
6
4
7
14
11
12
13
ANA DATA
ANA CLK
BUFFER
Q2310-2315
GF2
GF4
GF8
BF2
BF4
BF8
BUFFER
Q2510-2515
GS2
GS4
GS8
BS2
BS4
BS8
IC2308
3
15
2
7
6
5
14
11
12
13
ANA DATA
ANA CLK
4
57
FMUTE
41
EVOLLE
40
ANAOE
42
ESWLAT
66
DS2 WR
SYSTEM CONTROL
IC357(2/3)
44
DF SRO
45
DF MUT
46
DF RES
58
HD0-7
65
DS2 RD
64
DS2 RES
59
DS2 CS
35
DS2 RDY
63
DS1 WR
62
DS1 RD
61
DS1 RES
60
DS1 CS
36
DS1 RDY
55 48
HA0
A
(Page 8)
ADM
ANA CLK
ANA DATA
16
SHIFT
REGISTER
D
(Page 10)
ANA DATA
ANA CLK
ANA OE
: CD (DIGITAL)
• Signal Path
• RCH is omitted
: FM
: CD (ANALOG)
STR-DA777ES/V777ES
10
10
3-4. BLOCK DIAGRAM CONTROL SECTION
3
1
IC4102
L
3
1
IC4202
C
5
7
IC4202
W
3
1
IC4302
LS
C
(Page 9)
RV3101
VOLUME
M
VCC
13
VCC
14
VEE
15
IN2
8
12
+V2
11
-V2
+B
-B
BOOSTER
Q4103
CURRENT
DET
Q4105
9
NF2
BOOSTER
Q4104
PROTECT
Q4106
POWER AMP(L)
IC4101
VCC
13
VCC
14
VEE
15
IN1
6
2
+V1
3
-V1
+B
-B
BOOSTER
Q4203
CURRENT
DET
Q4205
5
NF1
BOOSTER
Q4204
PROTECT
Q4206
POWER AMP(C/W)
IC4201
12
+V2
11
-V2
9
NF2
IN2
8
VCC
13
VCC
14
VEE
15
IN1
6
2
+V1
3
-V1
+B
-B
BOOSTER
Q4303
CURRENT
DET
Q4305
5
NF1
BOOSTER
Q4304
PROTECT
Q4306
POWER AMP(LS)
IC4301
PROTECTOR
Q4001-4003
D4001,4002
D4001,4002
RELAY
DRIVE
Q4701
RY4701
R-CH
HEADPHONE
J103
SHIFT
REGISTER
IC317
14
11
13
12
5
ANA DATA
ANA CLK
D POWER
V POWER
ANA DATA
D
(Page 9)
ANA CLK
ANA OE
F1
P1-P35
FL101
1G-19G
F2
41
60
20
6
.
35
37
27
32
FL
DRIVER
IC108
17
26
16
8
.
3
29
5
4
FL
DRIVER
IC109
30
F1
S1-S35
FL102
G1-G16
F2
63
62
61
60
FL
DRIVER
IC107
5
33
40
55
BUFFER
Q101-108
FL1 CLK
9
FL1 CLR
13
FL1 LAT
10
FL1 DAT
11
FL2 DAT
21
FL2 CLK
17
FL2 LAT
16
FL2 RES
15
HP SW IN
22
MODE CONTROL
IC103
FUNCTION
RV102
S111
S113
S115
77
FUNC S A
75
KEY DIG
30
TACT 1
JOG
RV101
S101-109
36
JOG SWA
34
KEY ENT
32
TACT J
35
JOG SWB
76
FUNC S B
74
KEY ASP
72
KEY DOR
KEY
MATRIX
23
SP SELA
31
TACT 2
S118-130
EEPROM
IC102
SDA
71
SCL
70
5
6
MOTOR
DRIVE
IC101
45
OPEN MT
7
2
46
CLOS MT
3
6
M
M101
LED DRIVE
Q112
41
BLU LED
D101
26
OPEN SW
25
CLOS SW
S112
OPEN
S114
CLOS
27
POWR SW
S116
POWER
24
SP SELB
79
RXD1
+5VB
SIRCS
RX
28
SIRCS
3
1
IC110
D110
S117
SP SW
A+B
A
B
XTAL
2
EXTAL
3
X101
20MHz
IC358
13
IN1
MONITOR
INPUT
J303
11
O2-1
VIDEO1
OUTPUT
J304
IN3
4
OUT1
2
O3-1
6
O3-2
7
I/R CONTROL
IC352
10
SIRCS IN
39
MBUS V1
38
MBUS V2
26
UART IN
+5VB
RESET 2
1
IC350
+5VB
14
RESET
RESET C
19
STAT 0
1
STAT 1
44
STAT 2
43
STAT 3
42
58
STAT A
53
MONI ST
57
STAT A
55
STAT A
54
STAT A
19
IRQ1
BUFFER
Q311
STAT 4
44
18
IRQ0
1
RESET
4
1
2
IC111
80
IRQ IN
A1 OUT
11
60
CA1 OUT
CTRL LATCH
5
59
CA1 LAT
SIRSTS
8
52
SIRSTS
OUT LO1
22
4
MD1
END FLG
25
65
BOOT CT
I/O BUFFER
Q307,308
A1 IN
12
61
CA1 IN
23
OUT HI2
D304
15
XIN
16
XOUT
X304
7.28MHz
CTRL-A1
J1701
13
12
IC1601
RS232
DRIVER/
RECEIVER
14
11
J1601
RS232
DTR
TXD
RESET N
20
67
POW CNT
POW CNT
STOP OUT
D316
STOP IN
62
SELECTOR
IC344
2
A0
3
B0
Y0
4
5
A1
6
B1
Y1
7
11
A2
10
B2
Y2
9
14
A3
13
B3
Y3
12
1
S
COM SEL
64
TXD1
78
RXD2
40
TXD2
39
RESET OUT
66
BUZY CT
63
39
VOL DWN
34
PROTECT
2
MOTOR
DRINE
IC333
22
VOL PLS
4
5
8
16
SYSTEM CONTROL
IC357(3/3)
9
SCK0
4
MOD1
1
RESET
79
RXD1
78
TXD1
14
MCK
2
XTAL
3
EXTAL
X305
20MHz
E
(Page 11)
WOOFER
R
C
W
LS
RS
R-CH
R-CH
J4701
RY4451
RY4401
RELAY
DRIVE
Q4451
RELAY
DRIVE
Q4401
L
R
L
R
C
S(L)
S(R)
R-CH
R-CH
R-CH
RELAY
DRIVE
Q4551
RY4551
RELAY
DRIVE
Q4501
RY4501
RELAY
DRIVE
Q4601
RY4601
1
15
2
4
3
6
7
J4702
L
FRONT
SPEAKER
A
B
TM4401
SURROUND
SPEAKER
TM4501
10
O2-2
DVD
OUTPUT
J305
STATUS
INPUT
J306
REMOTE
CONTROL I/F
BUFFER
Q312,313
37
MBUS TV
2
CARRIER
33
SIRCS
1
2
4
IC353
6
2
3
5
1
7
LED SW
Q109
LED SW
Q110
LED SW
Q111
SIRCS
TX
+5V
IC106
IC106
IC106
PORY48
26
PORY48
• Signal Path
• RCH is omitted
: FM
US/CND MODEL
BIAS
Q4102
BIAS
Q4102
BIAS
Q4102
STR-DA777ES/V777ES
11
11
3-5. BLOCK DIAGRAM POWER SECTION
+B
240V
220V
120V
F1
F2
T902
JW902
JW903
JW901
F903
F901
F902
J901
AC IN
S901
VOL SEL
CED/CH/SP
MODEL
US/CND
MODEL
US/CND
MODEL
T901
E/PX MODEL
120V
0V
120V
110V
110V
0V
D909
D908
RELAY
DRIVE
Q901
+5V
REG
1
3
IC901
AC DET
Q902
D901-904
RY901
JW802
F806
F802
D804
D805
F801
JW801
D802
D801
F805
+18V
REG
3
F804
F803
1
-18V
REG
REG
3
2
D812-815
D811
D807
+38V
-9V
+9V
-20V
+20V
IC4002
IC4001
-B
RY24V
AMP/SPTM
SECTION
+15V
REG
3
1
-15V
REG
REG
3
2
IC3306
IC3305
+15V
REG
3
1
-15V
REG
REG
3
2
IC3455
IC3205
+5V
REG
3
1
IC3105
+5V
+15V
-15V
E VOL SECTION
+15V
-15V
-15V
+15V
VOLUME
SECTION
SECTION
AUDIO A/V
SECTION
+12V
REG
1
3
IC1402
+5V
REG
1
3
IC1401
+12V
+5V
+15V
-15V
-15V
TUNER
SECTION
PHONO
SECTION
CTRLA1 SECTION
RELAY
DRIVE
Q801
RY802
RY801
SWITCH
Q802
80HM
40HM
IMPEDANCE
SELECTOR
S801
SWITCH
Q303
+5V
REG
3
1
-5V
REG
3
2
SWITCHING
Q301,309
IC314-316
+3V
REG
3
1
IC309
+3V
REG
3
1
IC308
+5V
REG
3
1
IC310
IC326-328
-15V
+15V
SWITCHING
Q302
+5V
REG
3
1
IC312
-5V
REG
3
2
IC313
SWITCHING
Q306
SWITCH
Q304
SWITCH
Q305
+5V
REG
3
1
IC311
+35V SW
Q310
DIGITAL SECTION
+5D1
+5D2
+3D1
+3D2
+5VA
-5VA
S/C VIDEO
SECTION
+5VV
-5VV
-5V
+5VB
+5V
+35V
+5VB
AC3RF
SECTION
DISPLAY
SECTION
SECTION
D POWER
V POWER
PORY48
STOP OUT
POW CONT
E
(Page 10)
E/PX/CH
MODEL
E/PX
MODEL
MY/SP/AUS/
STR-DA777ES/V777ES
12
12
3-6. PRINTED WIRING BOARD AUDIO SECTION • See page 7 for Circuit Boards Location.
1
2
A
B
C
D
E
F
G
H
3
4
5
6
7
8
9
10
Ref. No.
Location
D1101
G-1
D1102
F-1
IC1101
F-2
IC1102
D-2
IC1103
F-4
IC1105
F-1
IC1201
C-8
Q1101
G-1
• Semiconductor
Location
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